wokwi.com

.com crawl

First seen 2026-04-20 · Last seen 2026-05-14 · ok HTTP/1.1 200 497 ms crawled 2026-05-14

US · 104.26.12.166 · AS13335 Cloudflare, Inc.

Reputation 100/100

Classifying

HTML metadata

Title: Wokwi - World's most advanced ESP32 Simulator
Description: IoT and Embedded System Simulator: ESP32, STM32, Arduino, Raspberry Pi Pico, displays, sensors, motors and WiFi simulation.
Language: en

Open Graph

title: Wokwi - World's most advanced ESP32 Simulator
description: IoT and Embedded System Simulator: ESP32, STM32, Arduino, Raspberry Pi Pico, displays, sensors, motors and WiFi simulation.

Technology

CDN: Cloudflare
CMS: Next.js

Analytics

Google Tag Manager

Third-party hosts loaded (1)

www.googletagmanager.com×1

Social

Registration

Registrar

Instra Corporation Pty Ltd.

Created

2019-10-17

Expires

2030-10-17 1612 days left

Updated

2025-11-22

Name servers

darwin.ns.cloudflare.com
rita.ns.cloudflare.com

DNS records live

NS

darwin.ns.cloudflare.com
rita.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

facebook-domain-verification=01omf7fz9ca7a2kjt4w0owyhbkfu36
firebase=wokwi-app
google-site-verification=uCXOVqwx8dzLQTfK0enxjNGqG-fF3O4f43P4VWFAPTA

Email authentication strong

SPF

v=spf1 include:_spf.google.com include:amazonses.com include:mail.zendesk.com ~all

softfail (~all)

DMARC

v=DMARC1; p=reject; rua=mailto:0b51bc420b1441e2ba36679e892f0421@dmarc-reports.cloudflare.net

policy: reject (enforced)

DKIM

google: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAumZJ7r2BRUhbUBH8Htf+WIpaJysp6crp6Db8NX4ricLg64pge+bVGCLIZC1oYVyoDeNvGmIRqQD6MD…
s1: k=rsa; t=s; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAtTortfOaexwFSQfLlV2aRJeuWWPIff5W3uxyIQhrrIPg92K+F7GzpE01UkskPpjgiBfpx83d1T5K3xN+Hn…
s2: k=rsa; t=s; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAlaDKd7QS6mGQ8O8PbZzPS5lXzpKMxvH+7RLKhBJtXe3NTpN48plQBuj3ZpLudJHlcVH4leST37b40+Kpcq…

selectors probed

Certificate (current)

WE1

from 2026-03-30 to 2026-06-28

Expires in 40 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 50/100 Checked live page: https://wokwi.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