wokwi.com
Wokwi - World's most advanced ESP32 Simulator
Last scanned Jul 26, 2026, 5:47 AM
Overall score
Great
Summary
IoT and Embedded System Simulator: ESP32, STM32, Arduino, Raspberry Pi Pico, displays, sensors, motors and WiFi simulation. This website uses Next.js hosted on Cloudflare behind Cloudflare CDN. SEO is fair (65/100) and accessibility is excellent (90/100). Security scores good (75/100) and performance excellent (100/100). Top issue: Missing canonical link.
IoT and Embedded System Simulator: ESP32, STM32, Arduino, Raspberry Pi Pico, displays, sensors, motors and WiFi simulation.
- United States
- Hosted on Cloudflare
Products & pricing
Product and pricing information published in this site's own structured data.
Docs
$0 USD
Top issues to fix
9 issues found · 2 high priority
Missing Content-Security-Policy header
SecurityAdd a CSP to control which sources can run scripts — the strongest single defense against XSS.
No H1 heading found
SEOAdd exactly one H1 describing the page's main topic — it anchors the document outline for search engines and screen readers.
Missing X-Content-Type-Options header
SecurityAdd X-Content-Type-Options: nosniff to stop MIME-sniffing attacks.
Missing X-Frame-Options header
SecurityAdd X-Frame-Options (or a CSP frame-ancestors rule) to prevent clickjacking via hidden iframes.
Missing canonical link
SEOAdd <link rel="canonical"> so search engines know which URL variant to index.
No structured data (JSON-LD) found
SEOAdd JSON-LD (Organization, Article, Product…) to become eligible for rich results.
+3 more issues — details in the sections below.
SEO
5 issue(s) found
Performance
386 ms
Security
HTTPS & header checks
Accessibility
1 issue(s) found
Organization
Company details published in this site's own structured data.
IoT and Embedded System Simulator: ESP32, STM32, Arduino, Raspberry Pi Pico, displays, sensors, motors and WiFi simulation.
Meta tags
- 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.
- Canonical
- Language
- en
- Charset
- utf-8
- Viewport
- width=device-width, initial-scale=1
- Robots meta
- Manifest
Technologies
Detected frameworks, languages, and tools.
Hosting & CDN
- Hosting provider
- Cloudflare
- CDN provider
- Cloudflare
- IP address
- 172.67.75.230
- ASN
- AS13335 (CLOUDFLARENET - Cloudflare, Inc., US)
DNS records
| Type | Value |
|---|---|
| A |
|
| AAAA |
|
| MX |
|
| TXT |
|
| NS |
|
| CAA |
|
| CNAME | — |
| IPv6 support | Yes |
TLS / SSL certificate
- Version
- TLS 1.3
- Issuer
- Google Trust Services
- Subject
- wokwi.com
- Valid from
- Jul 26, 2026
- Valid to
- Oct 24, 2026
- Days until expiry
- 89
- SAN domains
- wokwi.com, docs.wokwi.com
Security headers
- Strict-Transport-SecurityEnabled
- Content-Security-PolicyMissing
- X-Frame-OptionsMissing
- X-Content-Type-OptionsMissing
- Referrer-PolicyMissing
- Permissions-PolicyMissing
Compression: gzip · 0 cookie(s) observed
Content & assets
Headings
H1 0 · H2 6 · H3 0
Links
23 internal · 22 external · 1 broken
Images
32 total · 0 missing alt
Scripts / Styles
41 scripts · 3 stylesheets
JS / CSS size
906 KB · 56.2 KB
Page size
58.7 KB
Robots.txt & Sitemap
- robots.txt
- Not found
- Disallow rules
- 0
- sitemap.xml
- Not found
- URLs in sitemap
- 0
SEO issues
- Missing canonical link
- No H1 heading found
- No structured data (JSON-LD) found
- robots.txt not found
- sitemap.xml not found
Accessibility issues
- No H1 heading found
Careers
This company has an active careers page, but individual openings weren't reliably parsed from it — visit the page above for current listings.
Scan details
- Requested URL
- https://wokwi.com
- Final URL
- https://wokwi.com
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 385 ms
- HTML size
- 58.7 KB
- Redirect chain
- https://wokwi.com
See something wrong on this report? Request a correction
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Frequently asked questions
- What technology does wokwi.com use?
- wokwi.com is built with Next.js, Google Analytics.
- Is wokwi.com secure (HTTPS)?
- Yes. wokwi.com uses TLS 1.3 with a certificate issued by Google Trust Services, valid until Oct 24, 2026.
- Who hosts wokwi.com?
- wokwi.com is hosted on Cloudflare, behind Cloudflare CDN.
- What is wokwi.com's SEO score?
- wokwi.com scored 65/100 for SEO in the latest analysis (fair).
- What is wokwi.com's overall website score?
- wokwi.com has an overall SiteGraph score of 81/100, combining SEO, performance, security, and accessibility.
- What products does wokwi.com offer?
- wokwi.com offers Docs.
- Is wokwi.com hiring?
- wokwi.com has a careers page; check it directly for current openings.
OpenGraph & Twitter Card
OpenGraph
Twitter Card