35 of the Best SEO Chrome Extensions

Ahrefs SEO Toolbar:

The Ahrefs SEO Toolbar is a Chrome extension that allows users to gain insights about website traffic, backlinks, and other SEO metrics. The toolbar integrates with Ahrefs’ SEO suite, giving users access to data on domains and URLs, backlinks, and referring domains. The toolbar also allows users to analyze SERP data and keyword metrics, making it a powerful tool for competitive research and SEO optimization. The toolbar is available for free, but users need to have an Ahrefs account to access some of its features. 

MozBar:

The MozBar is a free Chrome extension that provides users with insights into website metrics, including domain authority and page authority. The toolbar also allows users to analyze on-page elements, such as title tags, meta descriptions, and header tags. The MozBar is an essential tool for SEO professionals, as it provides valuable information on website authority and other important SEO factors. 

SEMrush:

SEMrush is a comprehensive SEO tool that offers a suite of features, including keyword research, site auditing, and competitor analysis. The SEMrush Chrome extension allows users to quickly access data on any website, including traffic, backlinks, and on-page SEO elements. The extension also provides valuable data on organic search results, paid search ads, and display advertising. SEMrush is a popular tool among SEO professionals, as it provides a wide range of data and insights that can be used to improve website rankings and drive traffic.

SEOquake:

SEOquake is a free Chrome extension that provides users with instant access to a wide range of SEO data, including page ranks, backlinks, and social metrics. The extension also provides information on on-page SEO elements, such as meta tags and header tags. SEOquake is a useful tool for anyone who wants to quickly analyze website metrics and gain insights into website rankings and traffic. 

SimilarWeb:

SimilarWeb is a comprehensive web analytics tool that provides users with insights into website traffic, user engagement, and other important metrics. The SimilarWeb Chrome extension allows users to quickly access data on any website, including traffic sources, referral links, and engagement metrics. The extension also provides valuable data on competitors, allowing users to analyze their websites and gain insights into their SEO strategies. 

Keywords Everywhere:

This tool provides valuable keyword metrics and suggestions while browsing the web. It shows the search volume, competition, and CPC data for various keyword suggestions. Users can also analyze related keywords and phrases to better optimize their content. This tool is available as a browser extension for Chrome and Firefox

Google Analytics URL Builder:

This tool helps track campaigns and understand how users are interacting with content by creating custom URLs. Users can add parameters to their URLs to track campaign names, sources, and other details. The generated URLs can then be used to track the success of a campaign in Google Analytics.

Redirect Path:

This tool highlights HTTP headers on a webpage, allowing users to quickly identify and troubleshoot common SEO issues such as redirect chains and 404 errors. This can help users ensure their website is correctly configured and improve their overall SEO. The tool is available as a browser extension for Chrome and Firefox. 

NoFollow:

This browser extension highlights nofollow links on a webpage, making it easy to identify them and adjust link building strategies accordingly. Nofollow links don’t pass link juice, so it’s important for SEO purposes to identify and optimize dofollow links instead. This tool is available for Chrome and Firefox. 

NoFollowSimple:

This is a simplified version of NoFollow that highlights all nofollow links on a webpage with a red dotted box. It’s a quick and easy way to identify these links without the need for more advanced tools. This tool is available as a Chrome extension. 

NoFollow Simple:

NoFollow Simple is a simple Chrome extension that highlights all nofollow links on a web page. It helps website owners to keep an eye on their website’s SEO by quickly identifying nofollow links that do not contribute to their page ranking. By highlighting nofollow links in red, users can quickly distinguish between followed and nofollowed links. The extension is easy to use and does not require any additional setup or configuration. It can be downloaded from the Chrome Web Store for free.

Check My Links:

Check My Links is a free Chrome extension that helps users to find broken links on a web page quickly. The extension crawls through the page and identifies broken links, which can then be corrected. The tool is useful for website owners, as broken links can harm SEO, as well as for content creators, who want to ensure that their content remains up-to-date and accessible. The extension can be downloaded from the Chrome Web Store for free. 

Link Redirect Trace:

Link Redirect Trace is a powerful Chrome extension that helps users to identify problems with their website’s redirects. The extension traces a URL’s entire redirect path and identifies any problems that may arise. This can help website owners to identify and fix redirect loops or chains, as well as to identify any issues with their server configuration. The extension can be downloaded from the Chrome Web Store for free. 

SEO Minion:

SEO Minion is a free Chrome extension that offers a range of SEO tools, including a broken link checker, a redirect tracer, and an on-page SEO analysis tool. The extension also offers a range of other useful features, such as a SERP preview tool, a Google search location changer, and a link highlighter. The tool is easy to use and can be downloaded from the Chrome Web Store for free. 

Screaming Frog SEO Spider:

The Screaming Frog SEO Spider is a powerful desktop application that crawls websites to collect data on key SEO elements, such as title tags, meta descriptions, and headers. The tool is useful for website owners, content creators, and SEO professionals who need to quickly analyze their website’s SEO performance. The tool is available for download on the Screaming Frog website, and a free version is available for small websites. 

Lighthouse:

Lighthouse is an open-source tool that helps developers to improve the quality of their web pages. The tool runs a series of audits on a web page and identifies any performance, accessibility, and SEO issues that may be present. The tool is useful for website owners and developers who want to ensure that their website is optimized for all users, including those with disabilities or slower internet connections. The tool can be accessed from the Google Chrome DevTools or as a standalone tool. 

PageSpeed Insights

is a tool developed by Google that analyzes the performance of a web page on both mobile and desktop devices. The tool provides a score between 0 and 100 and offers suggestions on how to improve the page speed.  

Web Vitals Extension

is a tool that helps developers assess and improve the user experience of their websites by measuring key metrics such as loading time, interactivity, and visual stability. It is a Chrome extension that provides real-time feedback on how well a website is performing in terms of these metrics. 

User-Agent Switcher

is a Chrome extension that allows users to change their browser’s user-agent string. This tool can be used to simulate different browsers, devices, and operating systems. It is particularly useful for developers and marketers who want to see how their website or application looks on different devices. 

BuiltWith Technology Profiler

is a tool that provides information about the technology used to build a website. It can identify the content management system, analytics tools, hosting provider, and more. This information can be used by marketers, developers, and designers to optimize their websites and make informed decisions.  

WhatRuns

is a Chrome extension that allows users to see the technologies used on a website, including the frameworks, libraries, and plugins. It can also identify the fonts, icons, and images used on a website. This information can be useful for developers who want to learn about the technology stack of a website or find inspiration for their own projects. 

Wappalyzer

is a browser extension that identifies the software used on a website. It can detect more than 1,500 web technologies, including content management systems, eCommerce platforms, and analytics tools. This information can be useful for marketers, developers, and designers who want to optimize their websites and stay up-to-date with the latest technology trends. 

Tag Assistant

is a Chrome extension developed by Google that helps users troubleshoot issues with Google Analytics, Google Tag Manager, and other Google marketing tools. It can check if tags are correctly installed, detect errors, and provide suggestions on how to fix them. This tool can be useful for marketers, developers, and designers who use Google’s marketing tools on their websites. 

Google Search Console:

Google Search Console is a free tool from Google that helps website owners monitor and maintain their site’s presence in Google search results. It provides information about indexing status, sitemaps, security issues, and more.

Mobile-Friendly Test:

Mobile-Friendly Test is a tool from Google that checks if a web page is mobile-friendly. It analyzes a URL and reports if the page has a mobile-friendly design or not. The test provides suggestions on how to improve the mobile experience.

Structured Data Testing Tool:

The Structured Data Testing Tool is a free tool from Google that allows webmasters to test and preview their structured data markup. It helps ensure that search engines can correctly interpret the data on a webpage. 

Google Optimize:

Google Optimize is a tool from Google that helps website owners create and run A/B tests on their site. It allows you to experiment with different versions of your site to see which performs better. 

Headline Analyzer:

Headline Analyzer is a tool that analyzes the effectiveness of a headline. It takes into account factors like length, grammar, and sentiment to give the headline a score and suggestions for improvement. 

Grammarly: 

Grammarly is a writing tool that checks grammar, spelling, and punctuation errors. It also provides suggestions for better word choices and sentence structures. It has both a free and premium version and can be used as a browser extension or as an app. 

WordCounter:

WordCounter is an online tool that helps you count words, characters, sentences, paragraphs, and pages in real-time. It also gives you an estimated reading time and keyword density analysis for SEO purposes. WordCounter is useful for writers, bloggers, and content marketers who need to ensure their content meets certain length requirements. 

Hunter:

Hunter is an email finder and verifier that helps you find and verify professional email addresses. You can search for email addresses based on domain names, and Hunter will provide you with a list of verified email addresses. This tool is useful for salespeople, recruiters, and marketers who need to reach out to prospects via email. 

Snov.io:

Snov.io is a lead generation tool that helps you find and verify email addresses and social media profiles. You can search for leads based on industry, location, job title, and more. Snov.io also offers email drip campaigns, email tracking, and integrations with other tools like Zapier and Salesforce. 

LinkedIn Sales Navigator:

LinkedIn Sales Navigator is a sales tool that helps you find and engage with potential leads on LinkedIn. You can search for leads based on industry, location, job title, and more. Sales Navigator also offers lead recommendations, lead saving, and lead tracking features. 

Clearbit Connect:

Clearbit Connect is an email extension that helps you find and verify email addresses and enrich contact profiles. You can search for email addresses based on domain names, and Clearbit Connect will provide you with a list of verified email addresses and contact information. This tool is useful for salespeople, recruiters, and marketers who need to reach out to prospects via email. Navigator:

Mixmax:

Mixmax is an email productivity tool that helps you schedule meetings, send email campaigns, and track email opens and clicks. Mixmax also offers email templates, email automation, and integrations with other tools like Salesforce and HubSpot. This tool is useful for salespeople, recruiters, and marketers who need to streamline their email communication. 

Discoverly:

Discoverly is a browser extension that helps you find mutual connections between you and your prospects on social media. Discoverly integrates with LinkedIn, Facebook, Twitter, and Gmail to provide you with social media insights and recommendations.

This tool is useful for salespeople, recruiters, and marketers who need to build relationships with prospects on social media.