indexo.dev

fastbydefault.com

.com crawl

First seen 2026-04-14 · Last seen 2026-05-07 · ok HTTP/1.1 200 489 ms crawled 2026-05-09

US · 216.198.79.1 · AS16509 Amazon.com, Inc.

Reputation 92/100 no dmarc policy

sector tech type homepage

HTML metadata

Title
Fast by Default
Description
A performance engineering framework by Den Odell with practical guidance for building fast, responsive systems. Learn how to design for speed across web, mobile, backend, and desktop.
Language
en
Generator
Astro v5.14.6
Canonical
https://fastbydefault.com

Open Graph

url
https://fastbydefault.com
title
Fast by Default
locale
en_US
site name
Fast by Default
description
A performance engineering framework by Den Odell with practical guidance for building fast, responsive systems. Learn how to design for speed across web, mobile, backend, and desktop.

Technology

CDN
Vercel
Analytics
  • Plausible
Fonts
  • Google Fonts

Third-party hosts loaded (4)

  • fonts.googleapis.com×2
  • fonts.gstatic.com×1
  • images.manning.com×1
  • plausible.io×1

Contact

Address
st by Default© 2026

DNS records live

NS
  • ns1019.ui-dns.de
  • ns1032.ui-dns.com
  • ns1062.ui-dns.biz
  • ns1100.ui-dns.org
MX
  • 10 mx01.mail.icloud.com
  • 10 mx02.mail.icloud.com
TXT
  • apple-domain=tjx47uamVOeD2WpS
Verified for
  • Google

Email authentication weak

SPF
v=spf1 include:icloud.com include:_spf-eu.ionos.com ~all
softfail (~all)
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

R13
from 2026-04-23 to 2026-07-22
Expires in 62 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 50/100 Checked live page: https://fastbydefault.com/

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=63072000

Links to (2)

Linked from (1)