What powers zero-school.com?
Last seen Aug 2026 · 31 technologies across 16 categories
Advertising
Google Ads
since Dec 2022
Microsoft Advertising
since Nov 2024
Twitter Ads
since May 2021
Yahoo Advertising
since Apr 2022
Affiliate programs
Analytics
Google Ads Conversion Tracking
since Jul 2021
Google Analytics
since Jan 2019
Matomo Analytics
since Jun 2022
Microsoft Clarity
since Nov 2024
CDN
Cloudflare
since Sep 2024
jQuery CDN
since Feb 2022
CMS
Databases
MySQL
since Jan 2019
Font scripts
Google Font API
since Feb 2019
Twitter Emoji (Twemoji)
since Jan 2019
JavaScript libraries
Miscellaneous
Open Graph
since Sep 2022
RSS
since Dec 2022
Performance
Priority Hints
since Mar 2026
Programming languages
PHP
since Jan 2019
Security
Cloudflare Bot Management
since Sep 2024
Tag managers
Google Tag Manager
since Jan 2019
Web servers
Apache HTTP Server
since Feb 2019
Webmail
Google Workspace
since Aug 2022
WordPress plugins
WP-PageNavi
since Feb 2022
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 found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Open Page Rank
2.71 / 10 · ranked #2,150,398 of all domains
47 referring domains · OpenPageRank
Infrastructure
- Hosted on CPI-NET KDDI Web Communications Inc. (150.60.209.39)
- DNS: cpi.ad.jp
- Email: Google Workspace
- Email security: SPF (soft fail), no DMARC record
- SSL: JPRS, RSA 2048, expires Dec 2026
- Common Crawl link graph: rank 9,711,343
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Full technology history →
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Recent changes
- detected Cloudflare May 2026
- detected Cloudflare Bot Management May 2026
- detected Priority Hints Mar 2026
- dropped Cloudflare Nov 2025
- dropped Cloudflare Bot Management Nov 2025