What powers mastodontti.fi?

Last seen Aug 2026 · 6 technologies across 5 categories

JavaScript libraries

core-js v3.49.0
since Dec 2022

Message boards

Mastodon
since Dec 2022

Miscellaneous

Open Graph
since Dec 2022
PWA
since Dec 2022

Security

HSTS
since Dec 2022

Webmail

Proton Mail
since Jan 2023

AI Crawlers

Blocks all crawlers by default in robots.txt (User-agent: *). Checked Sep 2026.

Training crawlers

  • AI2Bot Blocked
  • Applebot-Extended Blocked
  • Bytespider Blocked
  • ClaudeBot Blocked
  • cohere-training-data-crawler Blocked
  • Diffbot Blocked
  • FacebookBot Blocked
  • Google-CloudVertexBot Blocked
  • Google-Extended Blocked
  • GoogleOther Blocked
  • GPTBot Blocked
  • ImagesiftBot Blocked
  • img2dataset Blocked
  • meta-externalagent Blocked
  • PanguBot Blocked
  • SBIntuitionsBot Blocked
  • Webzio-Extended Blocked

Search and AI assistants

  • Amazonbot Blocked
  • Applebot Blocked
  • Claude-SearchBot Blocked
  • DuckAssistBot Blocked
  • OAI-SearchBot Blocked
  • PerplexityBot Blocked
  • PetalBot Blocked
  • YouBot Blocked

User-request fetchers

  • ChatGPT-User Blocked
  • Claude-User Blocked
  • GoogleAgent-Mariner Blocked
  • meta-externalfetcher Blocked
  • MistralAI-User Blocked
  • Perplexity-User Blocked

The other 2 AI crawlers we track are not mentioned and are blocked by the catch-all rule (User-agent: *).

  • robots.txt found
  • llms.txt not checked
  • ai.txt not checked
  • Aug 2026 claude-searchbot added to robots.txt
  • Aug 2026 claude-user added to robots.txt
  • Aug 2026 claude-web added to robots.txt
  • Aug 2026 claudebot added to robots.txt
  • Aug 2026 oai-searchbot added to robots.txt
  • Aug 2026 cohere-ai added to robots.txt

See who blocks each AI crawler across the web

AI Crawlers

All crawlers blocked

Full breakdown

Audience

  • Finland

Where the site's Chrome visitors come from, largest estimated audience first.

Open Page Rank

4.18 / 10 · ranked #465,050 of all domains

86 referring domains · OpenPageRank

Core Web Vitals

LCP2.7 s
INP150 ms
CLS0.1
TTFB300 ms

Real user p75, Chrome UX Report, Aug 2026.

Page

  • Language: English
  • Weight: 1.1 MB · 145 requests
  • Structured data: OpenGraph

Homepage as crawled by the HTTP Archive, Aug 2026.

Full technology history →
Report an incorrect detection

Recent changes

Look up any website for free

No paywall, no lead-gen, no account. Paste a domain and see what powers it.

No account neededHistory since 2018