Top 8 must-have Chrome extensions for web analytics and SEO

There are tons of extensions on the net, each more innovative than the next. So how do you find your way around and know which ones to choose to make your life easier? If you use google chrome every day and are looking for suitable extensions for web and seo analysis, this article is for you. 


  • Mozbar, for netlinking data
  • Majectic Backlink Analyzer, backlink analysis
  • User-agent switcher, rendering on different devices
  • Pagespeed insight, analyze the speed of a site
  • Redirect path, redirect analysis
  • Google analytics page
  • Keyword everywhere
  • Grammarly
  • Smart SEO, the best SEO plugin

Mozbar, for netlinking data

The Mozbar is a reference in terms of seo plugin. It’s free, you just have to create an account. With this tool, there is no need to go to a page to get the information you are looking for since it will be directly visible from the Google results. From there, you will have the following information: Page authority and Domain authority , link analysis (you will have to click on it to access the analysis of the backlinks of the page in question). This information is quite ‘greedy’ in terms of visual space but no worries you can deactivate the extension with a single click. When you are on a web page, Mozbar gives you new information, in particular concerning the number of followers or subscribers to the various social networks of the site in question.

Majectic Backlink Analyzer, backlink analysis

This extension allows you to get a quick idea of ​​the strength of a page in terms of backlinks. One of the interests of this tool is to analyze the links of any site. Thus you can study the strategy of your competitors in order to refine yours. The free version only gives you access to the “summary” tab (“summary” in the screenshot). It gives you access to the Citation Flow and Trust Flow, the number of backlinks of the page, the number of referring domains, as well as the history of backlinks or the link profile (in the form of a diagram). To take full advantage of the tool, you will need to create a (paid) account. You will have access to all the tabs: backlinks, anchors, tools and finally options.

For example, the “backlinks” tab will list the 10 most popular backlinks of the page visited with their anchors, their popularity, their confidence index and their date of posting. If you want to have the detail of all the tabs, you will find them on the majestic blog (the screenshots come from there).


User-agent switcher, rendering on different devices

Developing a site that needs to work on both mobile and desktop browsers is not easy. This is why we have selected the User-agent switcher tool. It allows you to test the display of your website regardless of the device or browser used. SEO errors are now visible and you can test the user experience of your website quickly. Its operation is very simple, once located on the page in question, you only have to click on the plugin icon and choose the device or browser to be tested.

Pagespeed insight, analyze the speed of a site

PageSpeed ​​Insights is one of the most effective tools for analyzing website performance. It allows you to know in one click the loading speed of the sites you visit. The extension assigns two ratings to the site in question, one for desktop and the other for mobile, and provides recommendations for improvement. Ratings are calculated using several SEO indicators. Types of information provided:

  • poor optimization of Javascript, CSS and HTML content
  • image weight
  • non-responsive theme

Redirect path, redirect analysis

Redirections are a recurring concern in the life of a webmaster. Thus the 301 redirection can be compared to a change of postal address. So a good redirection is the necessary condition for maintaining your SEO positions when redesigning your website with a change of domain name, for example. The redirect path extension allows you to quickly find all the redirects to the pages of your site. We recommend that you audit your redirects regularly so that you don’t lose positions in the SERP unnecessarily.

Google analytics page

This extension has the particularity of informing you visually on the way in which Internet users interact with your site. The interaction on the pages is done through clicks. So this plugin sends you all the KPIs that are calculated thanks to the clicks! Yeah that’s a bunch. The extension being developed by Google, you will need to link it to Google Analytics. Of course, the analysis concerns your own pages. The information shared is as follows:

  • number of page views
  • number of unique visitors
  • average time spent on page
  • rebound rate
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exit rateIn addition, as you can see in the example below, you have percentages that tell you the % of visitors who clicked on the element in question, here 22% of visitors who clicked on an element on the page clicked on “video”. Use this information to optimize your website layout, improve user experience and increase conversions.

Keywords everywhere

Keywords Everywhere is a free extension. It presents three different types of information for keywords on Google: monthly search volume, CPC (cost per click) and competition data on more than 15 websites. The extension shows you “related” keywords as well as what “people are also looking for” in the widgets to the right. To view monthly search volume, CPC , and competitor data, users must purchase credits.


Grammarly helps you eliminate spelling errors and find the perfect words to express yourself. Grammarly gives you suggestions when you write on Gmail, Twitter, LinkedIn, and almost anywhere else you find yourself writing. Grammarly is a writing assistant that goes beyond grammar to give you comprehensive writing feedback. You can be sure that your writing is not only correct, but also clear and concise. Be sure to register your account to receive a personalized writing report each week that will help you track your progress and identify areas for improvement.

Smart SEO, the best SEO plugin

 It is a completely free SEO solution and analyzes in 1 click any web page and any Google result page. (WOW!!!) The analysis is composed of 4 sections: Summary, Content, Technical and Netlinking. You will find the following information in the Summary section:

Title tag, meta description tag, H1 tag, page word count, page SEO traffic, site SEO traffic, Domain Authority and Page Authority 

The part that I like the most in this tool and that you do not find in other SEO plugins is the “Recommendations” part which is at the bottom of the Summary section. 

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It summarizes point by point the missing information and the axes to improve so that you can optimize your page.

The Content section indicates:

  • The structure of your page, with all the H1 to H6 tags of the analyzed page, very practical for spying on the composition of your competitors’ articles.
  • Important words: the tool tells you if you value your keywords (in bold or italic)
  • The number of words on the page: the tool advises you on a certain number of words to reach according to the different results found on the Google results page!
  • The Open Graph tags and the Twitter Card are also filled in… yes, this tool is very comprehensive

 Finally, the last 2 sections gather information such as:

  • Technique: Indexability, page speed, mobile compatibility, canonical and hreflang tags, image alt attributes, encoding, compression, presence of a favicon.
  • Linking: analyzes internal and external links: the number of links (internal and external), follow/nofollow, duplicates.

I want to download it !
What are the 2 small icons for? (lamp and binoculars)
The lamp allows you to highlight (yellow frame appears) and therefore more easily identify the element analyzed on the page in question. (see screenshot below)

If you click on the binoculars, a tab will open to the tool that corresponds to the desired analysis, it is clearer with an example: click on the binoculars in the “technique” section in the speed line, a tab to pagespeed will then be opened allowing you to have a more complete analysis directly and to make changes instantly. (see screenshot below) 🙂


I hope you enjoyed this selection, I tried to make it as exhaustive as possible. You should have enough strings to your bow to defy SEO. You can find all these extensions and much more in the Chrome Google Store, most of its plugins come from SEO agencies and other web players. This is particularly the case of SmartKeyword. We offer a complete SEO solution that offers a tool allowing you to increase your skills in all aspects of SEO. Do not hesitate to inquire or contact us!

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