What powers fdfc.io?

Last seen Aug 2026 · 23 technologies across 11 categories

CDN

jsDelivr
since Aug 2026

Font scripts

Google Font API
since Jul 2026

Issue trackers

Sentry
since Feb 2026

JavaScript frameworks

AMP
since Jul 2026
React
since Feb 2026
React Router v7.14.2
since Aug 2026
styled-components v5.3.0
since Feb 2026
Vue.js
since Jul 2026

JavaScript libraries

core-js v3.10.2
since Feb 2026
Lodash v4.17.21
since Jul 2026
MobX
since Feb 2026
Tippy.js
since Feb 2026

Miscellaneous

HTTP/3
since Feb 2026
PDF.js v5.4.296
since Aug 2026
PWA
since Feb 2026
Webpack
since Feb 2026

PaaS

Amazon Web Services
since Feb 2026

Reverse proxies

Kong v3.3.1
since Jul 2026
Nginx v1.13.12
since Jul 2026

Security

HSTS
since Feb 2026

UI frameworks

Bootstrap v4.0.0
since Aug 2026
Vuetify
since Jul 2026

Web servers

Caddy
since Feb 2026

AI Crawlers

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

  • robots.txt found
  • llms.txt not found
  • ai.txt not found
  • Aug 2026 robots.txt appeared
  • Aug 2026 * added to robots.txt

See who blocks each AI crawler across the web

AI Crawlers

All crawlers blocked

Full breakdown

Audience

  • 73% desktop
  • 27% phone
  • Philippines

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

Core Web Vitals

LCP2.5 s
INP150 ms
CLS0.1
TTFB300 ms

Real user p75, Chrome UX Report, Aug 2026.

Page

  • Language: English
  • Weight: 5.6 MB · 61 requests

Homepage as crawled by the HTTP Archive, Aug 2026.

Subdomains

HostTechs
kb.fdfc.io 12
web.fdfc.io 10
web.staging.fdfc.io 10
opensign.fdfc.io 8

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