What powers trycloudflare.com?

Last seen Oct 2026 · 31 technologies across 13 categories

CDN

cdnjs
since Feb 2026
Cloudflare
since Aug 2024
jsDelivr
since Feb 2026

Comment systems

Livefyre v1.9.4
since Oct 2026

Font scripts

Bootstrap Icons v1.11.3
since Oct 2026
Font Awesome v6.5.0
since Aug 2026
Google Font API
since Nov 2025

JavaScript frameworks

Prototype v1.7.3
since Mar 2026
React
since Dec 2025
React Router v6
since Dec 2025

JavaScript graphics

Three.js v169
since Oct 2026

JavaScript libraries

core-js v3.33.0
since Aug 2026
Lenis v1.3.25
since Aug 2026
SweetAlert2 v11
since Feb 2026

Maps

Leaflet v1.9.4
since Oct 2026

Miscellaneous

EPrints v3.3.16
since Mar 2026
Open Graph
since Aug 2026
Prism
since Dec 2025
PWA
since Aug 2026
RSS
since Mar 2026

Programming languages

Node.js
since Apr 2025
Perl
since Mar 2026
PHP v8.3.6
since Oct 2026

Security

Cloudflare Turnstile
since Aug 2026
HSTS
since Aug 2026

UI frameworks

Bootstrap v5.3.0
since Feb 2026
Radix UI
since Aug 2026
shadcn/ui
since Aug 2026
Tailwind CSS
since Dec 2025

Video players

Flowplayer
since Mar 2026

Web frameworks

Express
since Apr 2025

AI Crawlers

Blocks 23 of 33 AI crawlers we track by name in its robots.txt. Checked Nov 2026.

Training crawlers

  • Applebot-Extended Blocked
  • Bytespider Blocked
  • CCBot Blocked
  • ClaudeBot Blocked
  • cohere-training-data-crawler Blocked
  • Diffbot Blocked
  • Google-CloudVertexBot Blocked
  • Google-Extended Blocked
  • GoogleOther Blocked
  • GPTBot Blocked
  • meta-externalagent Blocked

Search and AI assistants

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

User-request fetchers

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

The other 10 AI crawlers we track are not mentioned and stay allowed by default.

  • robots.txt found
  • llms.txt not found
  • ai.txt not found

Content Signals: search=yes ai-train=no declared in robots.txt

  • Sep 2026 ccbot added to robots.txt
  • Sep 2026 meta-externalfetcher added to robots.txt
  • Sep 2026 claude-searchbot added to robots.txt
  • Sep 2026 claude-user added to robots.txt
  • Sep 2026 chatgpt-user added to robots.txt
  • Sep 2026 claude-web added to robots.txt

See who blocks each AI crawler across the web

AI Crawlers

23 of 33 AI crawlers blocked

Standards: Content Signals

Full breakdown

Audience

  • 95% phone
  • 5% desktop
  • United States
  • India
  • Brazil
  • South Korea
  • Thailand
  • Algeria

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

Open Page Rank

4.75 / 10 · ranked #274,675 of all domains

84 referring domains · OpenPageRank

Core Web Vitals

LCP2 s
INP125 ms
CLS0
TTFB1200 ms

Real user p75, Chrome UX Report, Oct 2026.

Page

  • Language: English
  • CDN: Cloudflare
  • Weight: 0.1 MB · 5 requests

Homepage as crawled by the HTTP Archive, Oct 2026.

Infrastructure

  • Registered Jul 2018 (8 years) via Cloudflare, Inc., renews Jul 2032
  • Hosted on Cloudflare (104.16.230.132, IPv6)
  • DNS: Cloudflare DNS
  • Email: no MX record returned
  • SSL: Google Trust Services, ECDSA P256, wildcard, expires Jan 2027
  • Common Crawl link graph: rank 1,141,646, 434 hosts

DNS records as swept Nov 2026, certificate as seen Nov 2026, registration from the registry's RDAP service. How the web is hosted

Subdomains

HostTechs
disks-stated-elements-programs.trycloudflare.com 11
emission-civilization-sole-vessel.trycloudflare.com 6
phones-safe-ratio-opinions.trycloudflare.com 6
proper-covers-selected-predicted.trycloudflare.com 6
restaurant-rows-hobby-saturday.trycloudflare.com 6
though-threatened-trains-station.trycloudflare.com 6
maria-planes-sims-conventional.trycloudflare.com 5
personnel-tones-directors-grow.trycloudflare.com 5
reconstruction-consequence-blessed-standards.trycloudflare.com 5
stack-sessions-yes-auction.trycloudflare.com 5
tells-dozens-freight-wrist.trycloudflare.com 5
keno-explaining-actual-reveals.trycloudflare.com 3
loving-decided-considered-displaying.trycloudflare.com 3
mouse-reads-venezuela-pool.trycloudflare.com 3
wound-nor-ie-commodity.trycloudflare.com 3
doctrine-patients-hurricane-supervisor.trycloudflare.com 2
soup-efficiently-sandwich-proud.trycloudflare.com 2
trycloudflare.com 2
dee-bundle-exports-inline.trycloudflare.com 1
george-hour-kinda-carries.trycloudflare.com 1
morris-satellite-deferred-letters.trycloudflare.com 1
unless-guardian-janet-expertise.trycloudflare.com 1

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