SEO Firefox add-ons

Search engine optimisation: keywords, backlinks, rank tracking and site audits. 624 live add-ons carry the topic.

Tags come from each listing's name, category and description, read in English: a listing written in another language is tagged only where it uses the English words.

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  1. NoFollow↗

    by Igor Jerosimić · updated 2026-06-23

    Outlines nofollow links, detect nofollow and noindex meta tags on webpages. Features website filtering and custom CSS outline styles

    Web Development v6.1.0
    Daily users 1,086 +46 wk
    Rating 4.0 21 ratings
    Growth · week +4.5% weekly avg over 11 days

  2. SeoQuake SEO extension↗

    by SeoQuake Team · updated 2023-01-03

    Accelerate your SEO efforts on the fly. SEOquake is a free plugin for browsers that provides you with key SEO metrics for a specific page, along with other useful tools such as SEO Audit and many othe

    Web Development v3.9.9
    Daily users 14,043 +491 wk
    Rating 4.5 159 ratings
    Growth · week +3.7% weekly avg over 11 days

  3. SEO META 1 COPY↗

    by macha · updated 2026-05-29

    This is an extension that allows you to easily check SEO-related meta information and copy it with one click.

    Web Development v16.5.1
    Daily users 3,265 +109 wk
    Rating 5.0 10 ratings
    Growth · week +3.5% weekly avg over 11 days

  4. Link Redirect Trace↗

    by LinkResearchTools GmbH · updated 2024-04-25

    Perform advanced, comprehensive and most important correct analysis of links, redirects, and REL-canonicals. Use this extension for your SEO analysis, On page SEO, Off page SEO, competitor analysis an

    Search Tools v0.9.13.2resigned1
    Daily users 2,828 +92 wk
    Rating 4.2 20 ratings
    Growth · week +3.4% weekly avg over 11 days

  5. Detailed SEO Extension↗

    by Detailed.com · updated 2026-05-08

    Get SEO insights at the click of a button to any website you're currently on. Built by full-time SEO's for daily analysis.

    Web Development v2.2.7
    Daily users 8,175 +265 wk
    Rating 4.3 23 ratings
    Growth · week +3.4% weekly avg over 11 days

  6. Keywords Everywhere↗

    by Axeman Tech · updated 2026-10-24

    Install this freemium add-on to view monthly search volume, CPC & competition data on 15+ websites like Google, YouTube, Amazon, Pinterest, Instagram, eBay, Bing, Etsy, Google Search Console and more

    Search Tools v11.56
    Daily users 7,299 +218 wk
    Rating 4.4 408 ratings
    Growth · week +3.1% weekly avg over 11 days

  7. Broken Link Checker↗

    by Balvin · updated 2023-02-22

    A SEO tool to find broken (404) and redirected (301, 307, 308) links in all frames

    Web Development v0.3.1
    Daily users 1,825 +50 wk
    Rating 4.8 8 ratings
    Growth · week +2.9% weekly avg over 11 days

  8. SEO Minion↗

    by Axeman Tech · updated 2026-02-20

    SEO Minion helps you in your daily SEO tasks such as On-Page SEO analysis, Broken Link Checking, Hreflang Checker, SERP Preview, Google Location Simulator and more

    Search Tools v3.20
    Daily users 1,732 +41 wk
    Rating 4.1 74 ratings
    Growth · week +2.5% weekly avg over 11 days

  9. SEO Analysis & Website Review by WooRank↗

    by WooRank · updated 2020-12-30

    Instant SEO analysis and website reviews for SEO, mobile, usability and social media. The freshest data when and where you want it.

    Web Development v2.2.2
    Daily users 1,831 +40 wk
    Rating 4.2 21 ratings
    Growth · week +2.3% weekly avg over 11 days

  10. Ahrefs SEO Toolbar↗

    by Ahrefs · updated 2026-09-15

    Save hours with a complete toolkit in one SEO extension. Insights for on-page, keyword research, and link analysis on any webpage.

    Web Development v3.2.13
    Daily users 5,175 +71 wk
    Rating 3.3 27 ratings
    Growth · week +1.4% +71