indexo.dev

webcontainers.io

.io crawl

First seen 2026-04-11 · Last seen 2026-04-29 · ok HTTP/1.1 200 643 ms crawled 2026-05-08

US · 75.2.60.5 · AS16509 Amazon.com, Inc.

Reputation 100/100

Classifying

HTML metadata

Title
WebContainers - Dev environments. In your web app. | WebContainers
Description
Build the future of web based coding experiences, from interactive tutorials to instant production-ready dev environments.
Language
en-US

Open Graph

title
WebContainer API Docs

Technology

CDN
Netlify
Analytics
  • Google Tag Manager

Third-party hosts loaded (1)

  • www.googletagmanager.com×1

Social

DNS records live

NS
  • ns1.iwantmyname.net
  • ns2.iwantmyname.net
  • ns3.iwantmyname.net
  • ns4.iwantmyname.net

Email authentication no MX

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

Certificate (current)

E8
from 2026-03-26 to 2026-06-24
Expires in 36 days

Full certificate history on crt.sh ↗

HTTP security headers

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

present
  • strict-transport-security
  • cross-origin-opener-policy
  • cross-origin-embedder-policy
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
cross-origin-opener-policy
same-origin
cross-origin-embedder-policy
require-corp

Links to (7)

Linked from (1)