75 Best Browser Extensions for SEO in 2024

Mursaleen February 9, 2024

897 25 minutes read

SEO has gained enormous complexity in recent years.

While in 2011 it was still enough to accurately accommodate a keyword in a contribution and to enter your website in 300 web catalogs to achieve top positions in the SERPs, a significantly greater effort is required today. 😩

On the one hand, this is because the Google algorithm is getting better and better in separating the chaff from the wheat, and on the other hand the steadily growing competition.

The good news is:

The number of aids has also increased significantly. 🥳

In this article, I present the 75 best browser extensions for SEO.

Best Browser Extensions for SEO

Extensions that you can use to get more out of the SEO tools that improve your workflow or simply offer you new analysis options.

The best thing about it:

66 of the browser extensions presented are free of charge. 💪

1. Core web vitals & loading time

With the following extensions, you can examine the loading time and core web vitals from individual pages or pages in the SERPS:

1.1 Lighthouse

Price: free
Registration: not required
Available for: Chrome, Firefox, Safari, Opera, Edge
Lighthouse is an open-source tool that Google provides for optimizing a website.

As part of a Lighthouse test, various exams, for example when it comes to loading time or SEO. Finally, a clear result with many key figures and optimization tips is generated.

You can either use Lighthouse as an extension or browser application.

1.2 Web Vitals

Price: free
Registration: not required
Available for: Chrome
The Google Web Vital should now be known to many webmasters. However, only a few know that Google has also published a web vital extension for Chrome.

This automatically shows metrics such as LCP (Largest Contentful Paint) or CLS (Cumulative Layout Shift) for pages that you visit.

However, you should be aware that this is a laboratory tool. The generated results are therefore dependent on your internet connection, your browser, and other individual disruptive factors.

1.3 Core Serp Vitals

Price: free
Registration: not required
Available for: Chrome
With the Core Serp Vitals, Web Vital’s data can be displayed directly within the SERPS.

LCP, FID, and CLS values are generated here, which can be found directly below the title of a search goal.

Since these are not laboratory data, but values from the “real world”, the tool can only represent values if they also exist.

1.4 Page Load Time

Price: free
Registration: not required
Available for: Chrome
The Chrome Extension Page Load Time adds a small display of the side charging times to the browser and is rated with a proud 4.5/5 stars in the Chrome store.

This loading time is generated based on the Navigation Timing API.

The code is publicly available via GitHub.

1.5 Core Web Vitals

Price: free
Registration: not required
Available for: Chrome
The Core Web Vital’s extension for the Chrome browser automatically measures the web vitals of a called page.

The values for LCP and LCS are directly generated and displayed.

HTML elements that are responsible for a layout shift can also be displayed in the developer console.

1.6 Google Pagespeed Insights API Extension

Price: free
Registration: not required
Available for: Chrome
Google Pagespeed Insights should be known to most webmasters.

In addition to the browser-based test, you can alternatively fall back on the Chrome extension Google Pagespeed Insights API extension.

Via an icon in the Chrome toolbar, performance values (laboratory data) for mobile and desktop for the key figures FCP, FMP, LCP, TTI, and TBT can be displayed.

2. Keyword research

Keyword research

2.1 Keywords Everywhere

Price: from $ 10
Registration: required
Available for: Chrome, Firefox
Keywords Everywhere is a brilliant browser extension for Chrome and Firefox.

Everywhere it shows keywords and associated data (such as search volume and CPC), which could be useful.

For example in the Google Search Console:

The only drawback:

Unfortunately, Keywords Everywhere is subject to a fee. You have to buy credits so that keyword data is displayed.

2.2 Keyword Surfer

Price: free
Registration: not required
Available for: Chrome, only Chrome
Surfer SEO is now very well known in the SEO scene, the associated Chrome extension less.

It is called Keyword Surfer and shows you synonyms and other keyword ideas for your entered keywords directly in the Google search:

You can also analyze the search results in more detail with the tool. It shows you z. B. How often does a keyword occur in the exact order on one side and how many words contain a page?

Not only under every search result but also summarized as a graphic:

PS: The Keyword Surfer does not require an SUO SEO account. How cool is that? 😎

2.3 Google Similar Pages

Price: free
Registration: not required
Available for: Chrome, only Chrome
Google Similar Pages is an extension for the Chrome browser, that evaluates the content of your currently visited page and, on request, shows similar pages that are currently available on the network.

The tool is therefore particularly suitable for content research when writing articles to be able to open up as many sources on a topic as possible.

The extension of over 100,000 users is currently used and rated with 4.1 out of 5 stars.

2.4 Seostack Keyword Tool

Price: free
Registration: not required
Available for: Chrome, Firefox
With the SEOTACK KEYWORD TOOL, long-tail terms can be generated into a certain keyword.

Not only Google itself is “tapped” as a search engine, but data surveys from YouTube, Bing, or Amazon are also possible.

In addition, all results can be exported as CSV. As a result, search volumes can be called up quickly using other tools such as Ahrefs or KW finders.

2.5 Text optimizer

Price: freemium / from $ 45 per month
Registration: not required
Available for: Chrome
Text Optimizer is a Chrome extension that can help you write better SEO texts.

To do this, the tool analyzes existing texts and provides suggestions for improvement.

In the PRO version, optimizations are automatically made, suggestions based on the “People ASK” boxes are generated and there is also a writing tool for Chrome.

3. On-page Analysis

On-page analysis

3.1 Oncrawl SEO Page Audit

Price: free
Registration: Recommended
Available for: Chrome
On crawl generates a complete SEO audit on one page and provides important data on tags, meta descriptions, schema markups, or duplicate content.

If you are ready to create a free user account, there is even more detailed data.

3.2 Checkbot

Price: free
Registration: not required
Available for: Chrome, Firefox
Checkbot is currently used by 50,000+ users, rated 5/5 stars, and awarded Hubspot for the best Chrome extension in 2021.

And that is no accident:

Checkbot delivers a comprehensive SEO report on numerous pages within a few seconds. Classic building blocks such as security, speed, and SEO are checked.

You can also track down things like broken links or 404 errors quickly and easily with the extension.

3.3 SEO info

Price: free
Registration: not required
Available for: Chrome
SEO info works in the background and informs you immediately as soon as SEO errors have been recognized on a website.

At the push of a button, SEO reports with a wealth of useful data can also be generated. On the one hand, this includes Lighthouse, but also duplicate content, forwarding errors, or others.

3.4 Meta SEO Inspector

Price: free
Registration: not required
Available for: Chrome
With the help of the Meta SEO Inspector, the HTML source code of a page can be read out and displayed with just one click. The metadata in particular is very clearly prepared.

If necessary, all reports can be exported.

3.5 Ahrefs SEO Toolbar

Price: Freemium / from 99 US dollars in Ahrefs subscription
Registration: required
Available for: Chrome, Firefox
The ahrefs toolbar extension is available in a free version that examines a page for links, broken li, links, or incorrect redirects.

If you have a valid AhrefS subscription, expanded SEO indicators such as Domain Rating, URL Rating, or the number of backlinks are also displayed.

All values can be clicked so that you will be forwarded directly to the detailed AhreFS report if necessary.

3.6 SEO Meta with 1 click

Price: free
Registration: not required
Available for: Chrome
With one click, the SEO Meta 1 Click extension shows a lot of important information such as the SEO title and its length, the meta description, the heading structure, or the Robots.txt of a page.

So SEO Meta in 1 click is the ideal solution if you have a quick overview of a page and its structure.

300,000+ users use the tool currently and the evaluation is 5/5 stars, which speaks both for the quality of the extension.

3.7. Ayima page insights

Price: free
Registration: not required
Available for: Chrome
Broken links, forwarding e, errors, or important SEO data automatically calculate Ayima Page Insights within a few seconds as soon as you call up a page.

Information is divided into the categories of errors, warnings, and information so that you immediately recognize the need for action. The extension can even be connected to the Search Console to generate even more data.

3.8 Contentking: Real-Time SEO Auditing

Price: subject to a fee (14-day test possible)
Registration: not required
Available for: Chrome, Firefox
Contentking provides you will a well-implemented browser extension that examines written content on a website for readability and awards a corresponding assessment.

The tool provides suggestions for improvement and also generates an error overview that provides information about things such as missing meta descriptions.

3.9 The 15-minute SEO Audit

Price: free
Registration: not required
Available for: Chrome
Although the 15-minute SEO Audit delivers decent results, it is one of the rather unknown extensions in the Chrome Web Store.

With the click of the mouse, you will receive all the important information about a website, including metadata, the number of pictures, videos, links, Rich snippets, or a preview of the mobile view.

3.10 SEO per extension

Price: free
Registration: not required
Available for: Chrome
This free tool gives you a first overview of the most important SEO data on a page. Including titles, links, or headings.

The representation of the Core Web Vitals has been new since the last update directly in the SEO Pro extension.

All data obtained can be exported at the push of a button.

3.11 Detailed SEO

Price: free
Registration: not required
Available for: Chrome
Detail SEO provides a minimalist short overview of important SEO metrics directly in the Chrome toolbar.

The extended right-click menu is very successful. With its help, a website can be transferred directly to large tools such as Ahrefs or Majestic via a mouse click. This saves a lot of time if you want to make extensive analyses.

4. Technical SEO

Technical SEO

4.1 Instant Data Scraper

Price: free
Registration: not required
Available for: Chrome
The Instant Data Scraper searches a website and then extracts all important data into an Excel or CSV file.

The tool uses artificial intelligence to automatically identify important content. One of the biggest advantages of this technology is that data generated are very small and larger websites can also be summarized in compressed archives.

4.2 Check My Links

Price: free
Registration: not required
Available for: Chrome
Check my left examines a website and marks all existing external and internal links depending on the status with different colors.

Functioning links are stored in green, for example, broken links appear in red. In addition, the generated error, about 404, is displayed here.

This tool is not only ideal for identifying possible backlink sources but also for the audit of your pages.

4.3 Link Grabber

Price: free
Registration: not required
Available for: Chrome
With the Link Grabber, you can capture all the links of a website, whether externally or internally, within a few seconds: the tool identifies all links, generates a table, and opens the table in a new tab.

Subsequently, some filter functions are available ly present or group the results.

A summary of link sources is also possible.

4.4 Inspect Canonical

Price: free
Registration: not required
Available for: Chrome
Canonical URLs can be identified with the Inspect Canonical Chrome Extension. And without having to take a look at the HTML code.

What kind of URL it is, the logo of the application in the Chrome toolbar shows:

Green: The current URL is the canonical
Yellow: The current URL is not the canonical
Red: Displays different errors (details in mouse hover about the application logo)

4.5 Hreflang Tag Checker

Price: free
Registration: not required
Available for: Chrome
The Hreflang Tag Checker is a brilliant aid if you want to get a picture of optimizing and about regard to international SEO.

The extension searches the Hreflang tags of a page and then checks whether they are pointing back to the page.

Resuclearly classified with “Yes” or “No”.

4.6 Link Redirect Trace

Price: free
Registration: not required
Available for: Chrome, Firefox, Safari, Opera, Edge
If you would like to check on the left for errors or find out which intermediate stations a link takes to get to the target URL, then the small tool link Redirect Trace is a practical helper.

Within seconds, an entered URL is examined on forwarding, canonical URLs, broken links, and much more. A clear report is then generated that shows mistakes and problems.

4.7 Redirect Path

Price: free
Registration: not required
Available for: Chrome, Firefox
With Redirect Path you can reveal the forwarding of a URL. The tool not only recognizes 301 and 302 redirects but also forwards via Meta refresh tag or JavaScript.

In addition, the browser expansion reports errors and is therefore also ideal for the SEO audit of your site.

If necessary, further details on links can be displayed, such as the date of the last change.

4.8 AMP Validator

Price: free
Registration: not required
Available for: Chrome, Firefox
The AMP Validator checks the correct functionality of AMP on a website.

A successful test is found with green and a failed one with red. In the latter, potential causes are also displayed.

If no AMP version can be found, the logo turns blue. In the case of a subsequent click, an AMP version of the page is generated and displayed.

4.9 View Rendered Source

Price: free
Registration: not required
Available for: Chrome
The View Rendered Source Chrome Extension is a developer tool that provides knowledge about the original HTML of a website before it is rendered by the browser.

This can be of great help in particular for developers who use JavaScript frameworks such as Angular, Reactjs, and Vue.js.

The tool is also useful for SEO because you can use it to check whether Google can be found or not via JavaScript.

4.10 User-agent Switcher

Price: free
Registration: not required
Available for: Chrome
The Chrome-Plugin User-agent Switcher enables you to make a website believe that you use a different browser than Chrome to surf.

A practical plugin to check your website or customer websites for compatibility with the best SEO toolbar firefox, Internet Explorer, or SEO toolbar for Safari without having to change the device or the program.

4.11 Yet another flag

Price: free
Registration: not required
Available for: Chrome
The small extension Yet Another Flags shows you which country a website is hos intended for.

It shows a small flag icon in the address line. If you click on it, you will find out more details such as the city and region of a website. A button awaits you that leads you directly to the Whois data.

4.12 Greenlane SEO Sitemap Tools

Price: free
Registration: not required
Available for: Chrome
The Greenlane SEO Sitemap Tool checks the status of your XML sitemap (which should ideally be 200).

The tool provides numerous other useful data such as Broken Links, the response time of your server, or the size of your sitemap.

All results can be exported. Live monitoring is also implemented so that errors can be recognized immediately.

4.13 Ryte Structured Data Helper

Price: free
Registration: not required
Available for: Chrome, Firefox
With the help of the Rythe Structured Data Helper, the schema markup can be read and validated quickly. So you save yourself a detour via external tools.

Errors are displayed, and the tool between warnings (yellow) and critical errors (red) is distinguished.

4.14 IP Address and Domain Information

Price: free
Registration: not required
Available for: Chrome
The Chrome Extension IP and Domain Information on a website show what the name suggests.

In addition, information on location, DNS, or ASN is generated. Even Whois entries (if available) are displayed within the evaluation.

4.15 Nofollow Simple

Price: free
Registration: not required
Available for: Chrome, Safari, Opera
At Nofollow Simple, the name is the program:

The tool reads the real information on the left of a website and shows it clearly.

Nofollow, UGC, and sponsored attributes are recognized.

In addition, the extension recognizes robot meta tags like Noindex.

4,16 BuiltWith Technology Profiler

Price: free
Registration: not required
Available for: Chrome, Firefox, Safari, Opera, Edge
The Chrome Extension BuiltWith Technology Helper not only shows you which platform or CMS uses a website but also uses technologies.

These include WordPress plugins, Google Analytics, and Social Media Plugins.

The ingenious applications are listed not only in the current configuration but also in the past.

4.17 Web Developer

Price: free
Registration: not required
Available for: Chrome, Firefox, Opera
The Web Developer Expansion is an ingenious small aid for SEO, web designers, and developers.

A clear list of important developer tools and functions opens via an icon in the toolbar.

In addition to functions such as determining a color code or displaying the metadata, you can also activate or deactivate JavaScript or cookies with the extension.

4.18 SEO indexability check

Price: free
Registration: not required
Available for: Chrome
With the simple and lightweight tool SEO indexability check, you can quickly check whether a website is indexable for Google or not.

The extension evaluates, among other things, whether a blocking in the robots.txt. The result of the review using various parameters is displayed directly in the application window.

Through the plugin, you save the detour via the Google Search Console.

4.19 Robots Exclusion Checker

Price: free
Registration: not required
Available for: Chrome
The Tool Robots Exclusion Checker analyzes a website for possible problems that could prevent the crawl or indexing by Google.

For this purpose, the Robots.txt and the Meta-Robots Day are checked for this. In addition, the expansion to read Link Attributes such as “Sponsored” or “Nofollow”.

The result of an exam is divided into the categories “allowed”, “warning” or “blocked”.

4.20 Scheme Builder & Tester for Structured Data

Price: free
Registration: not required
Available for: Chrome
With the Scheme Builder & Tester for Structured Data, structured data can be quickly generated in JSON LD format for your website.

The expansion supports over 20 schema types. A test already integrated is also possible.

The application is simple: mark the desired area of a page for which structured data is to be generated and the expansion takes over the rest.

4.21 Suspicious Site Reporter

Price: free
Registration: not required
Available for: Chrome, only Chrome
The Suspicious Site Reporter fulfills two functions: On the one hand, the Chrome extension warns you of potentially dangerous websites, and on the other hand, you have the option of reporting suspicious pages to Google.

All information provides a small symbol that shows you the condition of a page.

Unfortunately, the plugin still has a few bugs and only reaches 3 out of 5 stars, but is still used by over 100,000 users.

5. Backlink Analysis

5.1 Link Research SEO Toolbar

Price: free
Registration: not required
Available for: Chrome
With the Link Research SEO Toolbar, you can put the link profile of a website through its paces.

In addition to LRT Power*Trust for domains and pages, the number of backlinks and existing keywords are also displayed in the Google index.

In addition, the tool carries out a social media analysis and indicates the “Buzz” value of how well a website performs here. The “impact” tells you how well the page or about user engagement.

Based on all the values provided, it can be quickly researched whether a page is suitable as a link or the provider or not.

5.2 LRT power*Trust

Price: free
Registration: not required
Available for: Chrome
In response to the fact that Google has not made the Pagerank public for several years, the makers of LinkResearchTools developed their value, the LRT Power*Trust.

This value is a good indicator to assess the link power of a domain or page.

With the LRT Power*Trust extension, the key figure for each domain and page that you visit is displayed automatically.

5.3 Free Backlink Checker from LRT

Price: free
Registration: not required
Available for: Chrome
Another tool from LinkResearchTools is the Free Backlink Checker.

Using the extension, all links can be analyzed on one side. The tool categorizes all determined links into “Working”, “Trade” and “Broken”.

For each link, the LRT power*Trust is determined and displayed directly for mouse-over.

5.4 Majestic Backlink Analyzer

Price: freemium
Registration: not required
Available for: Chrome, Firefox
Majestic is one of the best, but unfortunately also one of the most expensive SEO tools on the market.

The good news is that the Majestic Backlink Analyzer is partly usable free of charge. 🥳

In addition to a link profile graphic and the number of backlinks, the Trust Flow (TF) and the Citation Flow (CF) of a URL and the associated domain are also displayed.

Majestic subscribers can look forward to numerous other values in the extension. Among other things, the 10 strongest backlinks are identified on one side and their anchor texts are also analyzed. All data can be transferred directly to Majestic’s backend via a link.

5.5 Mozbar

Price: freemium
Registration: required
Available for: Chrome, Firefox, Opera
With 800,000+ users, Mozbar is one of the most frequently used extensions in the SEO area.

No wonder, because it provides a wealth of information free of charge!

In addition to the possibility of generating custom searches for the country, region, or city, it shows the Domain Authority (DA) and Page Authority (PA) of a URL.

And not only if you visit the page in question, but also in the SERPS, which is very helpful in the competition analysis.

If you are a subscriber from MOZ Pro, there are other values such as keyword difficulty or direct suggestions for page optimization.

6. Website Analysis Tools

Website Analysis Tools

6.1 Page Analytics

Price: free
Registration: required
Available for: Chrome, Firefox
Page Analytics is a free tool from Google that shows you how visitors interact with one side.

The data is obtained directly from Google Analytics and clearly shown in a menu bar at the top of one side.

Unfortunately, Google no longer delivers any further updates for this extension. At the latest with the stop of Universal Analytics in 2023, it should be over.

6.2 GTM/GA Debug

Price: free
Registration: required
Available for: Chrome, Firefox
With the free GTM/GA Debug extension you can check whether you have correctly integrated the Google Tag Manager or Google Analytics into your website.

Generated reports can be exported and the extension is also compatible with Google Analytics 4.

6.3 Google Analytics Debugger

Price: free
Registration: required
Available for: Chrome
Google Analytics Debugger is Google’s official tool to load Google Analytics in a debug version.

All information, including warnings and errors, is presented in the console. So you will find out at a glance whether you have implemented your tracking code correctly.

6.4 Observepoint Tag Debugger

Price: free
Registration: not required
Available for: Chrome
The Observepoint Tag Debugger collects all analytics and marketing tags, as well as event-based tags as soon as they are triggered.

The results are then shown in a clear list and can be grouped and filtered. Export is also possible.

The tool thus offers a simple solution to analyze whether all tags on your side are carried out correctly.

6.5 Day Assistant

Price: free
Registration: not required
Available for: Chrome, Firefox, Safari, Opera, Edge
A day assistant is a useful tool if you have Google Analytics or the Search Console in use. It is not without reason that it is used by more than 2 million users.

Using an icon, you are shown directly in the Chrome toolbar whether there are problems with the tag setup on one page. On request, you can also display more detailed reports.

7. SEO Indicators

SEO Indicators

Here you will find Chrome extensions with which you can get an overview of important SEO indicators from pages or domains, such as traffic estimates, important keywords, server location, or domain authority.

7.1 Essential SEO Toolkit

Price: free
Registration: not required
Available for: Chrome, Firefox
The Essential SEO toolkit itself does not indicate SEO indicators but enables you to open a URL in various SEO tools such as Pagespeed Insights, GTMetrix, or Semrush.

This usually saves you two or more work steps:

Instead of copying the URL instead of opening page speed insights, copying the URL into the intended field, and starting the test with a button, you only have to open the Essential SEO toolkit and select page speed insights there.

7.2 Impactana content marketing toolbar

Price: free
Registration: not required
Available for: Chrome, Firefox, Safari, Opera, Edge
The Impectana content marketing toolbar is the ideal aid if you want to make your content known on social media or if you are looking for content ideas.

The extension shows Buzz indicators from networks such as Facebook, LinkedIn, or Pinterest and helps you to identify equally strong content, but also popular influencers of your niche.

The Toolbar Page Authority (PA) and LRT Power* Trust also show.

7.3 Spark Content Optimizer

Price: free
Registration: required
Available for: Chrome, Firefox
The Spark Content Optimizer is well suited to optimize your texts down to the smallest detail.

It grants access to the Spark database, which checks about several billion keywords and 40 technical factors. Backlink information is also obtained from Majestic.

7.4 SEO Checker Tool

Price: free
Registration: not required
Available for: Chrome
The SEO Checker Tool is a popular browser extension that issues an SEO score based on five factors, including performance, content, and social media.

The content function in particular should be emphasized. The tool analyzes the entire text about keywords, headings, side titles, and Snippet and gives a point value of 0 to 100 for each sub-area.

So you can see at a glance where you should optimize your content.

7.5 SEO site tools, site analysis

Price: free
Registration: not required
Available for: Chrome, Firefox
The SEO Site Tools extension carries out an extensive SEO analysis of your site and evaluates criteria such as keyword density or the number of words.

In addition, it provides an abundance of other key figures and functions such as a redirect tester, an IP search, a backlink checker, DNS information, or a review of the Robots.txt or your XML sitemap.

All data determined are made available in several clear tables and tabs.

7.6 Growthbar

Price: from $ 29 per month
Registration: required
Available for: Chrome
The growth bar supports you in optimizing your content for Google.

The extension uses GPT-3 to generate a rough structure for your text. Not only are the competitive sites analyzed that also rank for the given keyword, but also current Google Ads.

In addition, the growth bar shows values such as domain authority, the estimated monthly traffic, or the backlinks of one page. Even a rank tracker is included.

At $ 29 per month in the smallest tariff, however, the growth bar is not exactly cheap.

7.7 Open SEO Stats

Price: free
Registration: not required
Available for: Chrome
Open SEO Stats quickly gives you a very detailed insight into the SEO indicators of a website. The tool puts the most important data together in a clear table.

This includes:

Indexed pages on various search engines
Traffic statistics
Operator information
Backlink
Domain values

The evaluation of 4.6 out of 5 stars at over 6,000 votes shows how good the tool is.

7.8 Mangools SEO extension

Price: freemium
Registration: required
Available for: Chrome
The Mangools SEO extension is the extended arm of the KW finder and the associated Mangools Suite, which belongs to one of our favorite tools in the SEO area.

The extension provides comprehensive insights into a website and tells you, among other things, the domain authority, and backlinks or analyzes the content of individual pages about their structure.

By far the best function is the keyword checker: the extension analyzes one page and then spits out all keywords for which SERP entries could be found. In addition, there is the current placement, the keyword difficulty, and the estimated search volume.

Unfortunately, the full extent of the extension can only be used with a paid plan.

7.9 Serpstat website SEO Checker

Price: freemium
Registration: required
Available for: Chrome, Firefox
With the SEO Checkers from Serpstat, you can get a detailed overview of the SEO performance of a page in a short time.

Among other things, the tool provides a visibility trend (similar to the visibility index of Sistrix), examines the side structure, and even carries out a speed text.

In addition, there are the top 10 keywords per page including search volume sorted by country and the current position of the page within the SERPS.

Unfortunately, page and domain analysis is only available as part of a paid membership. The on-page SEO parameters, on the other hand, are free of charge.

7.10 SIMILARWEB

Price: free
Registration: not required
Available for: Chrome, Firefox
Similarweb should certainly be known to you. The tool helps you to identify the SEO performance and the traffic of a website and is one of the most popular solutions in this area.

The Browser extension from Similarweb summarizes all functions of the tool in small and clear windows, the data is loaded in the background directly when the page is called up. So you save yourself the detour of having to enter a website manually at Similarweb.

Data on search volume, traffic sources, or geographical features of the visitors are displayed.

7.11 WOORANK

Price: free
Registration: not required
Available for: Chrome
work examines one page based on several factors and spits out a value between 0 and 100 to keep the degree of optimization of a website in mind.

Numerous criteria such as keyword optimization, text length, article structure, or metadata are included.

There is also a backlink checker and a social media analysis directly in the tool.

7.12 Serpworx

Price: $ 29.95 per month
Registration: required
Available for: Chrome
SERPWORX extends the SERP view of the Chrome browser with numerous useful data without having to take any further work steps.

The extension uses popular SEO tools and their key figures to give you a detailed insight into a website:

Majestic: Trust Flow and Citation Flow etc.
MOZ: Domain and Page Authority, Spam Score, etc.
Ahrefs: Backlinks, Domain Rating, etc.

The tool also shows numerous other key figures for the relevant page. These include the number of words, the keyword density, and many more.

7.13 DNS Checker

Price: free
Registration: not required
Available for: Chrome, Firefox, Safari, Opera, Edge
The DNS Checker provides you with lots of important information about a website. Among them, for example, the IP and geo-localization or redirects of a website. Even an analysis of the loading time is carried out and displayed directly.

In addition, content analysis is carried out that checks the underlying text about the structure, the keyword density, and many other values.

8. Ranking Check

Ranking Check

8.1 Serptrends

Price: free
Registration: not required
Available for: Chrome, Firefox, Safari, Opera, Edge
Serptrends clearly shows you the latest changes in Google Search.

For this purpose, the extension on the left of each search result inserts a small symbol that differs as follows:

Green: Positive change (including numerical value)
Yellow: Consistent
Red: ranking loss (including numerical value)

The tool not only analyzes Google Serps but also works with Yahoo! And Bing.

8.2 SEO Search Simulator from Nightwatch

Price: freemium
Registration: not required
Available for: Chrome
SEO Search Simulator allows you to simulate Google searches and display SERPs, especially for a search region or language. This means that you can specifically display the results that a person with country-specific inquiries sees.

What would have to be done with difficulty without this extension simply works in no time at all.

With the free version, the scope of services is somewhat slimmed down. If you choose the Pro version, you will enjoy over 107,000 search regions from all over the world.

8.3 Fatrank

Price: free
Registration: not required
Available for: Chrome
With Fatrank you can check the ranking of a website for special keywords. Start the extension after calling the page you want to analyze.

In addition to the keyword, you can also select the region.

All results can then be summarized and exported in a report so that you can compare different pages.

Unfortunately, only Google Search is currently supported.

9. SERP Analysis

SERP Analysis

9.1 Ginfinity

Price: free
Registration: not required
Available for: Chrome
The small and useful extension infinity adds an infinite scroll function to the Google SERPs.

That means:

As soon as you have scrolled to the lower edge of the search results, the next 20 results will be automatically loaded. Without having to use the pagination.

The tool has even been ad-free since version 2.4.

A great extension if you are looking for new topics for your blog directly in the SERPS and want to analyze competitors!

9.2 Google SERP Counter

Price: free
Registration: not required
Available for: Chrome
The Google SERP Counter adds a current numbering to the Google search results so that you immediately recognize which placement an entry shows.

The extension is particularly practical for search results with many ADS, video ads, or shopping results. Because with this type of SERPS, organic search hits are often difficult to recognize.

9.3 SEO SERP 2

Price: free
Registration: not required
Available for: Chrome
With the help of SEO SERP 2, you analyze each search results page based on various key figures.

Among other things, the tool spits out the average title length of all SERPs or tells you how many hits with or without HTTPS are called.

All results generated by the extension can be exported as a CSV report.

SEO SERP 2 not only works with web search but also with image and video search.

9.4 SERP Preview Tool

Price: free
Registration: not required
Available for: Chrome, Firefox, Safari, Opera, Edge
The SERP Preview Tool Extension simulates a SERP entry based on your current metadata. Different variations are entered directly into the user interface of the tool and immediately adopted in a live preview.

Ideal for testing different combinations!

On request, various search queries can also be simulated, so that the fat pressure of a keyword is also displayed directly in the preview.

9.5 SEO Minion

Price: free
Registration: not required
Available for: Chrome, Firefox
SEO Minion is a practical little everyday help for many tasks that occur every day during search engine optimization.

The tool analyzes, for example, the content of individual pages, marks Broken on the left, or, if desired, represents all links. A SERP preview function and a search queries simulator can also be found in the extension.

The developers regularly add new features.

9.6 LinkClump

Price: free
Registration: not required
Available for: Chrome
With LinkClump you can mark several search results in Google search and then open them as new tabs or in new windows, copy them into the clipboard, or save them as a bookmark

In addition, the extension adds other great functions such as an infinite scroll function when marking the left or a link filter to the Chrome browser.

10. Local SEO

Local SEO

10.1 GMBSPY

Price: free
Registration: not required
Available for: Chrome
GMBSPY is the spy tool for local SEO par excellence.

At the push of a button, all Google My Business categories for a SERP or MAPS entry are shown. A distinction is made between the main and secondary categories.

Simply mark an entry that you want to analyze and start the extension. Afterward, all important data is loaded automatically and you can export it if necessary.

FAQ

Here I have put together answers to frequent questions about Chrome extensions for SEO:

Why is Alexa Rank no longer displayed in some Chrome extensions?

The Alexa Service was officially stopped on May 1, 2022. The relevant extensions are therefore no longer supplied with data.

Which Chrome extensions are an absolute must-have for SEO?

This is generally dependent on your way of working and the thematic focus of your SEO work.

If you are z. For example, if you need a lot of link building, you need other extensions than someone who mainly operates content and keyword research.

The extensions that I currently use most often include: