Key Highlights
- Choose Chrome extensions based on your SEO workflow, as different tools solve different problems across keyword research, technical SEO, link building and content optimisation.
- Many of the best SEO Chrome extensions are free, while paid tools usually provide deeper keyword, backlink and competitor data.
- Chrome extensions bring SEO data into your browser, making it easier to analyse websites without switching between multiple platforms.
- Regularly review your extensions and remove the ones you no longer use to keep Chrome running smoothly.
- Chrome extensions support SEO decisions, but rankings still depend on strategy, technical implementation and quality content.
Every SEO campaign includes keyword research, on-page reviews, technical checks and competitor analysis. Chrome extensions speed up many of these routine tasks by putting useful SEO data directly into your browser.
Our SEO team uses these Chrome extensions every day to audit websites, research competitors, and troubleshoot technical issues. Some are free, others require a subscription, but each one has earned a place in our toolkit.
We've organised our top picks into the following categories:
- Keyword research
- On-page SEO
- Link building
- Technical SEO
- Rank checking
- All-in-one SEO
- Miscellaneous
Let's get started.
Best SEO Chrome Extensions for Keyword Research
These Chrome extensions are a valuable tool for finding and researching keywords that are relevant to your website's niche.
1. Ubersuggest
Top Feature: Keyword metrics directly in Google Search
Ubersuggest adds keyword data to Google Search results, including monthly search volume, cost-per-click (CPC), SEO difficulty and paid difficulty. It also shows related keywords, questions, comparisons and content ideas without leaving the search results. Most of this data is available through the extension, while detailed reports and higher usage limits require a paid account.
2. Keyword Surfer
Top Feature: Related keyword ideas in Google Search
Keyword Surfer displays search volume, cost-per-click (CPC), related keywords and keyword suggestions alongside Google Search results. You can save keywords into collections, export them as a CSV file, and access on-page data without leaving the search results. The extension also integrates with ChatGPT to help review AI-generated content and estimate how human-like it appears.
3. Keywords Everywhere
Top Feature: Keyword data across Google and other platforms
Keywords Everywhere brings keyword data into Google Search and extends it to platforms including YouTube, Amazon and Google Search Console. Alongside search volume, CPC and competition metrics, it includes on-page analysis, website traffic estimates, keyword widgets and SEO reports. Paid plans add historical trend data, competitor gap analysis and bulk keyword metrics.
Best SEO Chrome Extensions for On-page SEO
On-page SEO extensions help you review the elements that influence how search engines understand a page. Instead of manually checking the HTML, you can inspect metadata, headings, structured data, links and indexing directives in a few clicks.
4. Ahrefs SEO Toolbar
Top Feature: Page and backlink metrics in your browser
Ahrefs SEO Toolbar is a free extension. You can check your page's health, including meta titles, meta descriptions, canonical tags, and broken links, right from your browser. It also traces redirects, highlights broken links, and lets you switch country, language, or Google domain without a VPN. If you're an Ahrefs account holder, you get extra metrics like Domain Rating and keyword counts on top.
5. Meta SEO Inspector
Top Feature: Inspect metadata and structured data
It highlights missing or incomplete SEO elements, including meta titles, descriptions, canonical tags and structured data, while flagging common issues such as missing tags or incorrect lengths. You can also export the results or compare the page's structure with other websites.
6. Detailed SEO Extension
Top Feature: Full on-page audit
Detailed SEO Extension presents the technical details of a webpage in a clear, organised format. Instead of searching through HTML, you can review metadata, schema markup, heading hierarchy, links and indexing signals from one place.
It also has an advanced tab with extra features like pulling People Also Asked results, switching your user agent to view a site as Googlebot, checking hreflang versions, and exporting page links or image URLs to CSV.
Best SEO Chrome Extensions for Link Building
Link building extensions help you review a page's links without relying on separate SEO tools. They make it easier to identify internal and external links, check redirects, highlight nofollow attributes and assess backlink opportunities while browsing.
7. Hunter - Email Finder Extension
Top Feature: Find email addresses by domain
Hunter searches a website for publicly available email addresses and the people associated with them. You can search by domain or name, view confidence scores for each result, and save contacts to lists for outreach. The free plan includes 25 searches per month, with higher limits available on paid plans.
8. Free Link Checker by LRT
Top Feature: Inspect every link on a page
Free Link Checker scans all the links on a webpage and groups them by type, including internal, external, follow, nofollow, broken and unverified links. You can inspect the HTML behind each link, filter the results, and export the data for further analysis. It also includes LinkResearchTools metrics for evaluating the strength of linked pages.
9. Majestic Backlink Analyzer
Top Feature: Trust Flow and backlink metrics in your browser
Majestic displays backlink data for the page you're visiting, including Trust Flow, Citation Flow, Visibility Flow and the number of referring domains. It also shows Topical Trust Flow, helping you understand the relevance of a page's backlink profile. Majestic account holders can view backlink details, anchor text data and access additional link analysis tools directly from the extension.
Best SEO Chrome Extensions for Technical SEO
If you regularly troubleshoot websites, these extensions belong in your browser. They make it easier to review redirects, indexing signals, HTTP headers, page performance and other technical SEO elements as you work.
10. Lighthouse
Top Feature: Includes solutions to fix specific technical SEO issues
Lighthouse is Google's free, open-source website auditing tool. It gives a webpage a quick audit and provides suggestions to improve page performance, accessibility, best practices and SEO Performance metrics include speed index and total blocking time, whilst SEO metrics show crawling and indexing factors, and whether a page is mobile-friendly.
11. Link Redirect Trace
Top Feature: Catches all redirects with a nicely displayed interface
Too many redirects can seriously affect website performance and are all too common in technical SEO. This extension shows the path of a URL, as well as HTTP response codes. It also allows you to see if a URL is indexable, crawlable, canonicalised and the number of backlinks.
12. Redirect Path
Top feature: Flag every redirect and HTTP status code like 301, 302, 404, 500.
Redirect Path is a free extension by Ayima. You can check a page's redirect chain, including JavaScript and meta redirects. It flags HTTP status codes such as 301, 302, 404 and 500, while also reporting HTTP headers, server type, caching headers and server IP addresses for technical SEO analysis.
Best SEO Chrome Extensions for Rank Checking
Tracking keyword positions is a routine part of SEO, whether you're monitoring your own website or keeping an eye on competitors. Alongside Google rankings, many SEO teams now monitor visibility in AI search experiences using dedicated tools. This category covers tools for monitoring both.
13. Similarweb
Top Feature: Website traffic and AI referral insights
Similarweb provides an overview of a website's traffic, including estimated visits, traffic sources, top keywords, audience geography and website rankings. It also reports which AI platforms, including ChatGPT, Gemini and Perplexity, send traffic to a website, along with the prompts driving those visits. It's a useful tool for competitor research and monitoring search visibility beyond traditional search engines.
14. FatRank
Top Feature: Check Google rankings for any website
FatRank checks where a website ranks in Google for a specific keyword. Enter a keyword while viewing a website, and the extension returns its ranking position, the ranking URL and whether it appears in the top 100 search results. It's useful for quick ranking checks, competitor research and validating SEO performance without opening a separate rank tracking platform.
15. Serpstat Website SEO Checker
Top Feature: All-in-one SEO analysis for any webpage
Serpstat Website SEO Checker combines domain-level and page-level SEO data in one extension. You can check a site's visibility, traffic estimates and competitors, then drill down into individual pages to view ranking keywords, search volume, CPC and on-page SEO metrics.
Best All-In-One SEO Chrome Extensions
If you prefer fewer tools, these all-in-one SEO extensions are a practical choice because these all-in-one SEO extensions combine keyword research, on-page analysis, technical SEO checks and competitor insights in a single browser extension.
16. SEO Minion
Top Feature: Compare SERPs from two different countries at once
SEO Minion helps with daily SEO duties, including on-page SEO analysis, broken link checks, SERP previews, Hreflang checker and Google search location simulator. Its Google SERP feature also allows you to compare SERPs for two different countries on one screen. If you’re time-poor, spending 10 minutes with this all-in-one tool will keep your website's SEO intact.
17. SEOquake
Top Feature: Detailed overview of any website
If you need a quick overview of a website, then SEOquake is the solution. This free extension provides key SEO metrics, backlinks, traffic, ads, keyword difficulty, on-page SEO audit and much more. When performing a Google search, all this information is listed under each ranked site.
18. MozBar
Top Feature: Domain Authority and Page Authority metrics
MozBar overlays key SEO metrics on any webpage, including Domain Authority (DA), Page Authority (PA) and backlink data. It also highlights on-page SEO elements and lets you compare link metrics across search results without leaving the page.
Best Miscellaneous SEO Chrome Extensions
The following extensions don’t belong to a specific SEO category, but they do provide many benefits that will up your SEO game.
19. Data Scraper - Easy Web Scraping
Top Feature: Bulk data extraction
Web scraping is the process of extracting data from a web page or website. And that is exactly what this extension does. Data Scraper takes data from any HTML web page and exports it into a Google Sheet. For SEO purposes, data scraping can be used for a myriad of tasks, including on-page SEO keyword discovery and testing.
20. Frase
Top Feature: Write and edit content across the web
If AI is part of your writing workflow, the Frase Chrome extension is worth adding. It lets you rewrite, expand, shorten or change the tone of selected text on almost any webpage.
21. Note Anywhere
Top Feature: Great for competitor research and analysis
Our last Chrome extension is not directly related to SEO per se, but it is a great tool for organisation and for those who are avid sticky note takers. It works by allowing you to add a note directly on a web page, in any position, and it will remain there. This simple tool can be useful for numerous things, for example, when analysing your competitor's website, you can add notes on direct elements, from design features to headings and so much more. With customisable colours and fonts, this extension is a great addition to your toolbar.
Summary
Chrome extensions are a valuable addition to any SEO toolkit, but they work best when used with purpose. Installing too many extensions can slow your browser, so focus on the tools that support the way you work.
Extensions make research, auditing and analysis more efficient, but successful SEO campaigns still rely on strategy, technical expertise and consistent execution.
If you're looking for an experienced SEO team to improve your online visibility, Digital Treasury is here to help. Digital Treasury runs successful SEO campaigns for Australian businesses. We use proven SEO strategies and the right tools to deliver long-term results. Contact Us.
