indexo.dev

mathcha.io

.io crawl

First seen 2026-04-12 · Last seen 2026-05-19 · ok HTTP/1.1 200 3747 ms crawled 2026-05-05

US · 76.223.57.73 · AS16509 Amazon.com, Inc.

Reputation 100/100

Classifying

HTML metadata

Title
Mathcha - Online Math Editor
Description
Online WYSIWYG Mathematics Editor (Equation Editor), fast and powerful Editing features, inputting Normal text, Math symbols, and drawing Graph/Diagram in one single editor, help writing Math Document much easier. Export to Latex, Tikz, SVG, or Image (PNG).
Language
en

Technology

Server
Heroku
Social widgets
  • Twitter Widget
  • YouTube Embed

Third-party hosts loaded (2)

  • platform.twitter.com×1
  • www.youtube.com×1

Social

DNS records live

NS
  • arnold.ns.cloudflare.com
  • coco.ns.cloudflare.com
MX
  • 1 aspmx.l.google.com
  • 10 aspmx2.googlemail.com
  • 10 aspmx3.googlemail.com
  • 5 alt1.aspmx.l.google.com
  • 5 alt2.aspmx.l.google.com
TXT
  • v=spf1 include:_spf.google.com ~all
  • amazonses:n2l66zukeYwx0kVV2vQX8X1IFXHyOv6GtrXQX/u/PBM=
Verified for
  • Google

Certificate (current)

R13
from 2026-05-05 to 2026-08-03
Expires in 74 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 50/100 Checked live page: https://www.mathcha.io/

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)