extensions.dev

.dev crawl

First seen 2026-04-17 · Last seen 2026-05-11 · ok HTTP/1.1 200 886 ms crawled 2026-05-12

US · 199.36.158.100 · AS54113 Fastly, Inc.

Reputation 100/100

Classifying

HTML metadata

Title
Firebase Extensions Hub
Description
Find extensions to build an app quickly and easily
Language
en

Open Graph

title
Firebase Extensions Hub
description
Find extensions to build an app quickly and easily

Technology

Fonts
  • Google Fonts

Third-party hosts loaded (3)

  • storage.googleapis.com×20
  • fonts.googleapis.com×1
  • fonts.gstatic.com×1

Social

DNS records live

NS
  • ns1.googledomains.com
  • ns2.googledomains.com
  • ns3.googledomains.com
  • ns4.googledomains.com
Verified for
  • Google

Email authentication no MX

SPF
v=spf1 -all
strict (-all)
DMARC
v=DMARC1; p=reject; rua=mailto:mailauth-reports@google.com
policy: reject (enforced)
DKIM
no key found at common selectors

Certificate (current)

WR3
from 2026-03-19 to 2026-06-17
Expires in 28 days

HTTP security headers

Header hygiene 50/100 Checked live page: https://extensions.dev/

present
  • strict-transport-security
findings
  • missing Content Security Policy
  • missing frame protection
  • missing content type protection
  • missing Referrer Policy
  • missing Permissions Policy
Header values
strict-transport-security
max-age=31556926

Links to (3)

Linked from (2)