Developer Tools
Checks robots.txt, meta robots, x-robots-tag with URL alerts. Canonical warnings, HTTP header info. An SEO extension, robots tester.
Compare extensions
Developer Tools
Quickly check hreflang tags on webpages for SEO. Validate return links, language codes, canonical URLs, and detect geo-IP redirects.
Audience & ratings
Store users
50K
6K
Ratings
What stands out
Robots Exclusion Checker reports the larger audience. These are store counts. The rating difference is 0.93 points across 30 and 4 ratings.
Category overlap does not establish that two products serve the same workflow.
Product & publisher
Publisher
sam
Digital Darts
Publisher portfolio
2 listings
1 listing
Listing status
Active
Active
Manifest
Version 3
Version 3
Package size
187KiB
128KiB
Permissions & access
Requested capabilities describe access, not developer intent or a safety verdict.
API permissions
1 requested
- storage
3 requested
- scripting
- storage
- tabs
Website patterns
1 recorded
- https://www.checkrobots.com/*
2 recorded
- http://*/*
- https://*/*
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
Robots Exclusion CheckerDeveloper Tools
Hreflang CheckerDeveloper Tools