Developer Tools
Test SEO/speed/security of 100s of pages in a click! Check broken links, HTML/JavaScript/CSS, URL redirects, duplicate titles...
Compare extensions
Developer Tools
Get free on-page SEO report by 100+ parameters with the best website SEO checker
Audience & ratings
Store users
90K
≈100K
Ratings
What stands out
Website SEO Checker reports the larger audience. These are store counts, including rounded estimates. The rating difference is 0.36 points across 956 and 220 ratings.
Category overlap does not establish that two products serve the same workflow.
Product & publisher
Publisher
Checkbot - www.checkbot.io
Boosta Inc OÜ
Publisher portfolio
1 listing
2 listings
Listing status
Active
Active
Manifest
Version 3
Version 3
Package size
1.67MiB
738KiB
Permissions & access
Requested capabilities describe access, not developer intent or a safety verdict.
API permissions
1 requested
- webRequest
3 requested
- activeTab
- storage
- identity
Website patterns
2 recorded
- http://*/*
- https://*/*
None recorded
Releases
Explore the release history
Create an account to compare versions and update timing. Your plan controls history depth.
Create your free accountEvidence behind this comparison
Both listings observed 2 Oct 2026.
Store users and ratings are observations, not revenue or lifetime installs. A larger audience or a higher score does not establish product quality.
How Earlygap collects evidenceReplace an extension
Your comparison
2 of 2 selected
Checkbot: SEO, Web Speed & Security Tester 🚀Developer Tools
Website SEO CheckerDeveloper Tools