Growth · alternatives · 2026

24 alternatives to OnCrawl SEO Chrome extension

Quickly but deeply audit your onsite SEO performances.

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. OnCrawl SEO Chrome extension launched in 2016; newer entries below may have overtaken it.

1. 1
   Instant SEO Audit▲450

   Check your website's SEO score instantly & boost traffic

   2024 · instantseoaudit.com · its alternatives →

2. 2
   Simple SEO Tool▲111

   Chrome Extension that simplifies SEO on-page analysis

   2024 · seoextension.info · its alternatives →

3. 3
   SEO Station▲73

   The SEO Onpage extension for Chrome that makes SEO easier

   2021 · chromewebstore.google.com · its alternatives →

4. 4
   SEO Tool Extension▲195

   Your favorite SEO tools, placed for quick access.

   2019 · chromewebstore.google.com · its alternatives →

5. 5
   Rank One: On-Page SEO extension▲10

   Quick on-page SEO audit

   2021 · brandbeavers.com · its alternatives →

6. 6
   SEO Toolbox by OnCrawl▲134

   On-page and technical SEO tools for free

   2016 · its alternatives →

7. 7
   Semalt Chrome Extension▲80

   Free website Google Rank and SEO checker

   2023 · chromewebstore.google.com · its alternatives →

8. 8
   FandangoSEO▲89

   Chrome extension to perform detailed audits in record time

   2020 · chromewebstore.google.com · its alternatives →

9. 9
   Webpage Sherlock▲151

   Page insights in a single click

   2023 · its alternatives →

10. 10
    GrowMatic SEO Chrome Browser Extension▲12

    On-Page SEO Optimizer & SERP Keywords Scraper

    2025 · chromewebstore.google.com · its alternatives →

11. 11
    Free SEO Website Audit Tool▲10

    Chrome SEO Audit Tool

    2019 · chromewebstore.google.com · its alternatives →

12. 12
    Boostsite▲61

    Easy & intuitive on-site technical SEO audit tool

    2022 · boostsite.com · its alternatives →

13. 13
    Revealer▲100

    The ultimate URL expander Chrome extension

    2017 · chromewebstore.google.com · its alternatives →

14. 14
    SEO Checklist v1.2.9 Chrome Extension▲4

    SEO Checklist v1.2.9 Chrome Extension | On-Page SEO Analyzer

    Nov 2025 · chromewebstore.google.com · its alternatives →

15. 15
    Best of Chrome▲216

    Instantly find the best Chrome extensions in one place

    2017 · its alternatives →

16. 16
    SEO Minion▲132

    Chrome extension & Firefox add-on to help you with SEO

    2019 · keywordseverywhere.com · its alternatives →

17. 17
    Detailed SEO Audit Extension▲3

    One-click Chrome SEO audits for websites

    May 2026 · krishnamohan-yagneswaran.itch.io · its alternatives →

18. 18
    Stringmark▲97

    Simple Chrome extension to boost your researching skills

    2021 · stringmark.com · its alternatives →

19. 19
    SEO Pro Extension▲24

    Get all on-page SEO information in 1 click. For free

    2022 · marketingsyrup.com · its alternatives →

20. 20
    VisualPing for Chrome▲77

    New Chrome extension to monitor a website/area of a website

    2014 · chromewebstore.google.com · its alternatives →

21. 21
    Stringmark – Chrome extension that makes online research easier▲108

    Time tracking and invoicing for architecture firms

    2021 · stringmark.com · its alternatives →

22. 22
    Website SEO Meta Inspector▲9

    Chrome extension for seo analysis

    2025 · seometainspector.com · its alternatives →

23. 23
    On Page SEO Checker for Google Chrome▲5

    On page SEO mistakes will no longer cost fortune.

    2020 · chromewebstore.google.com · its alternatives →

24. 24
    SiteSee Chrome Extension▲66

    A wallpaper-like gallery of beautiful websites

    2016 · chromewebstore.google.com · its alternatives →

Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →