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pyrefly.org

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First seen 2026-05-18 · Last seen 2026-06-02 · ok HTTP/1.1 200 2493 ms crawled 2026-05-22

US · 185.199.110.153 · AS54113 Fastly, Inc.

Reputation 95/100 weak security headers

sector tech type docs

HTML metadata

Title
Pyrefly: A Fast Python Type Checker and Language Server | Pyrefly
Language
en
Generator
Docusaurus v3.7.0
Canonical
https://pyrefly.org/
Translations
  • en
Feeds

Open Graph

url
https://pyrefly.org/
title
Pyrefly: A Fast Python Type Checker and Language Server | Pyrefly
locale
en

Technology

CDN
Fastly
Server
GitHub.com
Analytics
  • Google Analytics
  • Google Tag Manager

Third-party hosts loaded (5)

  • www.googletagmanager.com×2
  • buttons.github.io×1
  • cdnjs.cloudflare.com×1
  • i.ytimg.com×1
  • www.google-analytics.com×1

Social

DNS records live

NS
  • joan.ns.cloudflare.com
  • rohin.ns.cloudflare.com

Email authentication no MX

SPF
not published
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

R12
from 2026-04-30 to 2026-07-29
Expires in 56 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://pyrefly.org/

findings
  • missing HSTS
  • missing Content Security Policy
  • missing frame protection
  • missing content type protection
  • missing Referrer Policy
  • missing Permissions Policy

Links to (4)

Linked from (2)