What powers act-21.net?
Last seen Aug 2026 · 13 technologies across 10 categories
CMS
Databases
MySQL
since Jan 2019
Font scripts
Google Font API
since Aug 2022
Twitter Emoji (Twemoji)
since Jan 2019
JavaScript libraries
Swiper
since Oct 2022
Miscellaneous
Open Graph
since Nov 2022
RSS
since Feb 2023
Performance
Priority Hints
since Jul 2026
Programming languages
Web servers
Apache HTTP Server
since Jan 2019
WordPress plugins
The Events Calendar
since Aug 2022
WordPress themes
Lightning
since Aug 2022
AI Crawlers
No robots.txt, so all AI crawlers are allowed by default. Checked Aug 2026.
- robots.txt not found
- llms.txt not found
- ai.txt not found
AI Crawlers
No robots.txt, all AI crawlers allowed
Open Page Rank
1.38 / 10 · ranked #7,677,385 of all domains
12 referring domains · OpenPageRank
Page
- Language: Japanese
- Weight: 3.7 MB · 99 requests
- WordPress theme: lightning · all themes
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Aug 2026.
Full technology history →
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Recent changes
- dropped jQuery Jul 2026
- dropped jQuery Migrate Jul 2026
- dropped Welcart Jul 2026