What powers openguessr.com?
Last seen Jun 2026 · 31 technologies across 16 categories
Advertising
33Across
since Apr 2026
Google Publisher Tag
since Jun 2024
OpenX
since Jun 2024
PubMatic
since Oct 2024
Analytics
Cloudflare Browser Insights
since Sep 2024
Google Analytics
since Jun 2024
Snowplow Analytics
since Sep 2024
CDN
cdnjs
since Jul 2024
Cloudflare
since Jun 2024
Comment systems
Cookie compliance
Funding Choices
since Jun 2024
JavaScript frameworks
Svelte
since Nov 2024
JavaScript libraries
Howler.js
since Apr 2025
Load balancers
Amazon ALB
since Apr 2026
Maps
Google Maps
since Jun 2024
Miscellaneous
PaaS
Amazon Web Services
since Apr 2026
Programming languages
Node.js
since Nov 2024
Security
Cloudflare Bot Management
since Jun 2024
Cloudflare Turnstile
since Sep 2024
Confiant
since May 2026
reCAPTCHA
since Jun 2024
Segmentation
Adobe Audience Manager
since Jul 2024
Tag managers
Google Tag Manager
since Jun 2024
UI frameworks
SvelteKit
since Nov 2024
Tailwind CSS
since Jun 2025
Audience
- 75% desktop
- 22% phone
- 2% tablet
Australia
New Zealand
Guernsey
United States
Germany
United Kingdom
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
3.50 / 10 · ranked #890,779 of all domains
60 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.5 s |
| INP | 300 ms |
| CLS | 0.5 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: English
- CDN: Cloudflare
- Weight: 5.0 MB · 2,161 requests
- Structured data: JSON-LD, OpenGraph
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| openguessr.com | 30 |
| www.openguessr.com | 30 |
| education.openguessr.com | 9 |
Full technology history →
Report an incorrect detection
Recent changes
- dropped AppNexus Jun 2026
- dropped Criteo Jun 2026
- dropped Google AdSense Jun 2026
- dropped Google Font API Jun 2026
- detected Open Graph Jun 2026
- dropped Rubicon Project Jun 2026
- dropped TripleLift Jun 2026
- detected Confiant May 2026
- detected 33Across Apr 2026
- detected Adobe Audience Manager Apr 2026
- detected Amazon ALB Apr 2026
- detected Amazon Web Services Apr 2026
- detected AppNexus Apr 2026
- detected Google Font API Apr 2026
- detected OpenX Apr 2026
- detected PubMatic Apr 2026
- detected Rubicon Project Apr 2026
- detected Snowplow Analytics Apr 2026
- detected TripleLift Apr 2026
- dropped Google Font API Mar 2026
- dropped Adobe Audience Manager Feb 2026
- dropped AppNexus Feb 2026
- dropped core-js Feb 2026
- dropped Microsoft ASP.NET Feb 2026
- dropped OpenX Feb 2026
- dropped Priority Hints Feb 2026
- dropped PubMatic Feb 2026
- dropped Rubicon Project Feb 2026
- dropped Snowplow Analytics Feb 2026
- dropped TripleLift Feb 2026
- detected Cloudflare Bot Management Jan 2026
- detected Criteo Jan 2026
- dropped ID5 Jan 2026
- dropped Three.js Jan 2026
- detected AppNexus Dec 2025
- detected Google AdSense Dec 2025
- detected OpenX Dec 2025
- dropped Cloudflare Bot Management Nov 2025
- dropped Infolinks Nov 2025
- dropped LiveIntent Nov 2025
- detected Prebid Oct 2025
- detected core-js Sep 2025
- detected Infolinks Sep 2025
- detected LiveIntent Sep 2025
- dropped OpenX Sep 2025
- dropped Apache HTTP Server Aug 2025
- dropped Apple MapKit JS Aug 2025
- dropped AppNexus Aug 2025
- dropped core-js Aug 2025
- dropped Hostinger Aug 2025