What powers witter.cz?
Last seen Aug 2026 · 9 technologies across 8 categories
JavaScript frameworks
React
since Jan 2023
JavaScript libraries
Message boards
Mastodon
since Jan 2023
Miscellaneous
Open Graph
since Jan 2023
PWA
since Jan 2023
Programming languages
Ruby
since Jan 2023
Security
HSTS
since Jan 2023
Web frameworks
Ruby on Rails
since Jan 2023
Web servers
Nginx
since Jan 2023
AI Crawlers
Blocks 1 of 33 AI crawlers we track by name in its robots.txt. Checked Sep 2026.
Training crawlers
- GPTBot Blocked
The other 32 AI crawlers we track are not mentioned and only inherit the catch-all rules that apply to every crawler.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
1 of 33 AI crawlers blocked
Open Page Rank
4.71 / 10 · ranked #308,055 of all domains
97 referring domains · OpenPageRank
Page
- Language: English
- Weight: 8.2 MB · 167 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Aug 2026.
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Recent changes
- dropped Webpack Oct 2025