Koozai > Blog > Best SEO Browser Add-ons

Best SEO Browser Add-ons

| 6 minutes to read

Browser Add-onsThere are many useful browser add-ons out there, some specifically for SEO. We have put together a list of some great and useful SEO add-ons that might be useful to you.

SEO Book – SEO Toolbar

What it offers: This toolbar essentially gives you an overview of the authority of any website when on the page. It displays Page Rank, approximate number of domain and page links, whether the site has a link in some well know directories such as Dmoz, the age of the site and estimated traffic numbers. It gives a helpful overview at a glance, providing you with understanding of how authoritative a site is. Clicking an ‘info’ button opens up more details and the ability to export the information.

Good for: Competitor research and spotting opportunities for your own sites.

Compatibility: Firefox

Link: https://www.seobook.com/seo-toolbar

SEO Moz – Moz Bar

What it offers: You can see an overview of various SEO metrics including Page Authority, Moz Rank and how many links the site has. Clicking the SEOMoz button show more details including page title, header tags and more.

Good for: Competitor analysis and analysing your own websites.

Compatibility: Firefox, Google Chrome

Link: https://www.seomoz.org/seo-toolbar

SEO Quake

What it offers: Similar to the SEO Moz toolbar, SEO Quake enables you to view various parameters within the Google search results. This includes Page Rank, Number of indexed pages, whether the site has links in various popular directories, checking Robots.txt plus more. You also have the option if you are feeling creative to write your own parameters to measure with SEO Quake.

Good for: Measuring various parameters easily and creating your own parameters for a customised approach.

Compatibility: Firefox, Google Chrome and Opera

Link: https://www.seoquake.com

Foxy SEO

What it offers: Foxy SEO like others displays in toolbar form various metrics such as link data, Alexa rank, view listings in popular directories, view Whois data plus more. One feature that sets Foxy SEO apart is the Spider Simulator that displays a web page as the search engines will see it.

Good for: Quick access too many metrics that can help analyse a website or page. The Spider Simulator is especially useful, to understand how a search engine views your web pages is useful for optimising your pages for the better.

Compatibility: Firefox

Link: https://addons.mozilla.org/en-US/firefox/addon/foxy-seo-tool

SEO for Chrome

What it offers: An extension that details various site metrics including the number of backlinks a website has, the number of bookmarks and shares from the popular social platforms, number of indexed pages and various tools to check different site details.

Good for: Accessing all these metrics easily and quickly. It also has a feature which approximates the traffic stats of a website. Additional tools include a keyword tool and a tool for highlighting NoFollow links on websites.

Compatibility: Chrome

Link: https://chrome.google.com/webstore/detail/oangcciaeihlfmhppegpdceadpfaoclj

SEO Site Tools

What it offers: One of the most comprehensive SEO add-ons, SEO Site Tools displays various page data including Page Rank and approximate number of backlinks. You can also access information on different page elements, social media presence overview, server and domain information and a section that suggests page improvements.

Good for: Accessing a variety of tools to analyse website pages and spot opportunities. All of the tools are accessible in a simple to use interface.

Compatibility: Chrome

Link: https://chrome.google.com/webstore/detail/diahigjngdnkdgajdbpjdeomopbpkjjc

Quirk – Search Status

What it offers: Quirk adds a button to your browser for quick access to various tools. You can see an overview of Page Rank, Alexa and Compete Rank. Other tools enable you to highlight on page NoFollow links, view Meta tags, view the Robots.txt file, view other domains on the same IP, and view Whois data and more.

Good for: Quick access for checking a number of important site elements, it enables you to quickly find out what your site could be missing.

Compatibility: Firefox

Link: https://www.quirk.biz/searchstatus

SEO Doctor

What it offers: SEO Doctor gives you an overview of the elements on page and gives the page a score based on how ‘optimised’ it feels the page is. You can also view various data including indexed pages, linking domains, IP neighbours, trends plus other metrics.

Good for: A good tool for highlighting on page optimisation opportunities.

Compatibility: Firefox

Link: https://addons.mozilla.org/en-US/firefox/addon/seo-doctor


What it offers: SenSEO checks various on page SEO criteria and grades your site based on how optimised it is.

Good for: Checking on page elements to make sure your site is fully optimised. This will highlight any areas where your pages could be improved.

Compatibility: Firefox

Link: https://addons.mozilla.org/en-US/firefox/addon/senseo


What it offers: A toolbar that displays Google Page Rank and Alexa stats. It also includes quick links to information such as a link report, view Meta tags, view Robots.txt, highlight keyword density and highlight on page keywords.

Good for: Having all this information available to you through a space saving and easy to use toolbar.

Compatibility: Firefox

Link: https://addons.mozilla.org/en-US/firefox/addon/swoosty-seo-tools

Check my Links

What it offers: Check my links analyses all the links on a page and highlights any broken links, broken links are highlighted in red.

Good for: A quick and visual way of spotting broken links on a page. Broken links can then be fixed quickly. One link building strategy is to find broken links on third party websites and suggesting a similar resources created by yourself. Sometimes the site author will accept your suggestion which creates a good link back to your website. This tool can be used when practising this method.

Compatibility: Chrome

Link: https://chrome.google.com/webstore/detail/ojkcdipcgfaekbeaelaapakgnjflfglf

Google Analytics Add on

What it offers: This add-on checks if Google Analytics is installed on any given page.

Good for: Making sure you haven’t missed installing the Google Analytics code on any page. Very useful for checking on small and medium sized websites.

Compatibility: Firefox

Link: https://addons.mozilla.org/en-US/firefox/addon/ga-is-google-analytics-install


What it offers: YSlow analyses web pages and suggests ways to improve the performance/speed of that page.

Good for: Highlighting pages that are slow and could potentially harm rankings. You can then take the recommended actions to improve the performance of your website.

Compatibility: Firefox, Chrome

Link: https://addons.mozilla.org/en-US/firefox/addon/yslow

Web Developer Toolbar

What if offers: With the Web Developer Toolbar, you can view lots of information related to the web page you are on. You can view CSS and disable styles on a page, disable JavaScript, disable images, view image attributes, validate code and lots more. It is helpful for finding this information quickly and easily.

Good for: Finding site information easily, spotting issues and determining areas for improvement.

Compatibility: Firefox, Google Chrome

Link: https://chrispederick.com/work/web-developer


What it offers: Firebug enables you to inspect the HTML and CSS code of any web page. You are able to select elements on a page to highlight the code that generates that element. A great feature is the ability to modify the layout and style of a page in real-time. Useful for playing around with layouts, colours etc.

Good for: Seeing how specific elements are put together and playing around with the layout.

Compatibility: Firefox, Google Chrome

Link: https://getfirebug.com

We may have missed some off the list, so if you use any others you feel should be on the list, please let us know in the comments below.


  1. website avatar

    This is a good tip especially to those fresh to the blogosphere.
    Short but very precise information… Many thanks for sharing this one.
    A must read article!

  2. John Trimble avatar
    John Trimble

    A good list but very surprised not to see Raven on here, also i personally think SearchStatus deserves a mention

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