SEO Search Simulator by Nightwatch
Tools
Simulate search engine queries from any location on Google and easily check and track your website or your competitor's rankings.
Users
100K
Rating
4.8
Reviews
2,943
7D Growth
0|0%
Stable signalFree or hybridHigh-risk permissions
Checkbot: SEO, Web Speed & Security Tester 🚀
Test SEO/speed/security of 100s of pages in a click! Check broken links, HTML/JavaScript/CSS, URL redirects, duplicate titles...
Users70KCurrent public install base
Rating4.9Store average score
Reviews959Public review volume
Manifest versionV3Extension platform version
7-day growth0Net users gained this week
7-day growth rate0%Relative weekly velocity
Preview
6 assetsCheckbot: SEO, Web Speed & Security Tester 🚀 Media preview
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Start
4.92
Latest
4.92
7-day rating change
0.00
2026年7月15日2026年7月21日
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1-day growthNo data
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00%30-day growthNo data
----Technical snapshot
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Version2.1.1
ManifestV3
Size1.67MiB
Languages1English
Published
Store updated
Last crawled
English
Overview
Product summary
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Checkbot is a powerful website testing tool that tells you how to improve the SEO, page speed and security of your website. Checkbot crawls 100s of pages at the same time checking for 50+ common website problems based on web best practices recommended by Google and Mozilla. These checks include:
📊 SEO TESTS: Broken link checker, missing or long page titles/descriptions/headings, duplicate page content, HTML/CSS/JavaScript validator, canonical URLs, image ALT tags, robots.txt, URL naming, mobile friendly pages, deprecated web features, 404 pages, meta tags, temporary/meta redirects, thin pages & sitemap setup.
🚀 PAGE SPEED TESTS: Minification, network compression, resource caching, render blocking or duplicate CSS/JavaScript, excessive inlining of CSS/JavaScript, redirecting URLs & redirect chains.
🔒 WEB SECURITY TESTS: Security headers, HTTPS and mixed content checker, HSTS with preloading, content sniffing, iframe restrictions & password forms security.
See https://www.checkbot.io/guide/ for the 50+ web best practices Checkbot will test for you to help make your site faster, more secure and rank higher in search results.
★ REVIEWS ★
Reviews
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Store average score4.9Chrome Web Store aggregate rating, including ratings without synced review text
Synced text average4.9Average computed only from synced review bodies below
Reviews with text550Synced review bodies
Total ratings / reviews959Chrome Web Store public rating/review count
Store average score: 4.9. The bars below are calculated from synced review text only, so they may be empty for extensions that have public ratings but no synced comments yet.
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Very useful tool
Very useful
Love this extension. Super detailed on errors and actually seems very accurate. Great work.
Molto utile per trovare errori anche se ogni tanto non sono veri errori come nel caso dell'HTML. Ma resta comunque molto utile per un debug e per scovare pagine non indicizzate a causa di errori SEO.
This CheckBot.io is teaching me the rules of on-page technical SEO. Really great tool! Thank you. The free limit of 100 URL is quickly reached even for a site of 5-10 pages/posts. $15/month is reasonable but we don't know if we can pause the payment and just use it intermittently. A CREDIT system would be better for seldom users
Very useful SEO tool
utile et gratuit
非常詳細，對於網站經營很有幫助！
Ottima per trovare velocemente tutti gli errori e imperfezioni sulle pagine di un sito.
I have a bug need to fix: When I input blank 'alt', like that: <img scr="img.jpg" alt=""> Checking alt for image still pass. (Not found error) Sorry my english is not good!