What powers 
js.cool?
Last seen Jul 2026 · 52 technologies across 20 categories
Advertising
Google AdSense
since Jul 2025
Google Publisher Tag
since Mar 2026
Microsoft Advertising
since Dec 2025
OpenX
since Apr 2026
PubMatic
since Apr 2026
Rubicon Project
since Apr 2026
Analytics
Cloudflare Browser Insights
since Apr 2024
Google Analytics
since Oct 2025
Matomo Analytics
since Apr 2026
Microsoft Clarity
since Apr 2026
Snowplow Analytics
since Apr 2026
Caching
Varnish
since Apr 2024
CDN
CMS
WordPress
since Dec 2025
Cookie compliance
Funding Choices
since Jul 2025
Databases
MySQL
since Dec 2025
Ecommerce
Cart Functionality
since Dec 2025
Shopify
since Apr 2026
Font scripts
JavaScript frameworks
JavaScript libraries
Live chat
WhatsApp Business Chat
since Mar 2026
Miscellaneous
PaaS
GitHub Pages
since Apr 2024
Vercel
since Mar 2024
Programming languages
Security
Segmentation
Adobe Audience Manager
since Apr 2026
Tag managers
Google Tag Manager
since Dec 2025
UI frameworks
Tailwind CSS
since Jul 2025
Web frameworks
Remix
since Jul 2025
Ruby on Rails
since Dec 2025
AI Crawlers
Doesn't name any of the 33 AI crawlers we track in its robots.txt. Catch-all rules (User-agent: *) restrict some paths for every crawler, AI or not. Checked Sep 2026.
- robots.txt found
- llms.txt not checked
- ai.txt not checked
AI Crawlers
No AI crawlers blocked
Audience
- 100% desktop
Taiwan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.65 / 10 · ranked #786,579 of all domains
36 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.1 s |
| INP | 25 ms |
| CLS | 0 |
Real user p75, Chrome UX Report, Aug 2026.
Infrastructure
- Hosted on Cloudflare (104.26.12.164, IPv6)
- DNS: Cloudflare DNS
- Email: Tencent Exmail
- Email security: SPF (soft fail), DMARC monitor only
- SSL: Google Trust Services, ECDSA P256, expires Nov 2026
- Common Crawl link graph: rank 116,703, 68 hosts
- Verified with: Brave Creators, Google
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| ms.js.cool | 27 |
| wordle.js.cool | 21 |
| gs.js.cool | 18 |
| game.js.cool | 8 |
| js.cool | 8 |
| mew.js.cool | 8 |
| www.mc.js.cool | 6 |
| b.mc.js.cool | 5 |
| b1.mc.js.cool | 5 |
| mc.js.cool | 4 |
| play.mc.js.cool | 4 |
| play2.mc.js.cool | 4 |
| web.mc.js.cool | 4 |
| i.mc.js.cool | 2 |
Full technology history →
Report an incorrect detection
Recent changes
- detected Google Analytics Oct 2025