Search Chrome and Firefox extensions, track keyword ranks in every language, and see who outranks you
See which pages Google and AI crawlers never reach
Stage
Not given
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Founded
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Based in
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Pricing model
Freemium
Freemium
Pricing
Free plan: tracks one extension, no credit card required. Premium plan coming soon.
Free: public checker, no account needed. Starter: $9/month for one site with weekly checks and AI crawler probes. Pro: $19/month for five sites. Agency: $49/month for twenty-five sites.
Key features
Catalog search with filters by users, rating, languages, and update date
Keyword rank tracking across both Chrome and Firefox stores
Listing history with dated timeline of changes
Competitor analysis showing who beats you and where
AI agent integration via Model Context Protocol
Daily tracking of ranks and user counts for monitored extensions
308,982 Chrome extensions and 111,049 Firefox add-ons indexed
Query catalog in natural language through AI agents
Live crawler probes for Google, ChatGPT, Claude, and Perplexity
HTTP status and redirect tracking
robots.txt rule checking per user-agent
noindex meta tag and X-Robots-Tag detection
Canonical URL validation
Sitemap listing verification
Firewall block detection (403 errors)
Weekly monitoring and email alerts
Plain-English fix prompts
What makes it different
One unified view of both Chrome and Firefox stores side by side
Works with your own AI agent via Model Context Protocol
Free plan requires no credit card or store credentials
Read-only checks that never request Google indexing or change your site
Checks AI crawlers like GPTBot and ClaudeBot separately from Google
Free public check with no account or sign-up required
ExtensionDash
IndexDoctor