modernjs.dev

.dev crawl

First seen 2026-04-13 · Last seen 2026-05-02 · ok HTTP/1.1 200 583 ms crawled 2026-05-07

US · 75.2.60.5 · AS16509 Amazon.com, Inc.

Reputation 100/100

Classifying

HTML metadata

Title
Modern.js
Description
The Modern.js framework is a progressive web framework based on React. At ByteDance, we use Modern.js to build upper-level frameworks that have supported the development of thousands of web applications.
Language
en
Generator
Rspress v2.0.2

Open Graph

url
https://modernjs.dev/
title
Modern.js
site name
Modern.js
description
A Progressive React Framework for modern web development.

Technology

CDN
Netlify
CMS
Gatsby

Third-party hosts loaded (2)

  • lf-cdn-tos.bytescm.com×2
  • lf3-static.bytednsdoc.com×1

Social

DNS records live

NS
  • a1-156.akam.net
  • a12-65.akam.net
  • a16-66.akam.net
  • a2-67.akam.net
  • a3-64.akam.net
  • a7-65.akam.net

Email authentication no MX

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

Certificate (current)

E8
from 2026-03-19 to 2026-06-17
Expires in 29 days

HTTP security headers

Header hygiene 50/100 Checked live page: https://modernjs.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=31536000

Links to (1)

Linked from (1)