What powers slackrail.jp?
Last seen Aug 2026 · 28 technologies across 16 categories
Analytics
Google Analytics
since May 2019
Authentication
Facebook Login
since Dec 2021
CMS
Databases
MySQL
since May 2019
Font scripts
Google Font API
since May 2019
Twitter Emoji (Twemoji)
since May 2019
Hosting
Xserver
since Aug 2022
JavaScript libraries
Miscellaneous
Open Graph
since Sep 2022
RSS
since Dec 2022
Programming languages
PHP
since May 2019
Rich text editors
Security
Cloudflare Turnstile
since May 2026
HSTS
since Mar 2023
UI frameworks
Video players
YouTube
since May 2019
Web servers
Nginx
since May 2019
Widgets
AddToAny
since May 2019
WordPress plugins
TablePress
since Jul 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 Aug 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 81% phone
- 19% desktop
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
2.62 / 10 · ranked #2,291,914 of all domains
10 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.9 s |
| CLS | 0 |
| TTFB | 900 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Japanese
- Weight: 16.8 MB · 180 requests
- WordPress theme: ascend (child: slackrail_thema) · all themes
- Structured data: JSON-LD, Microdata, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Full technology history →
Report an incorrect detection
Recent changes
- detected Twitter Emoji (Twemoji) Aug 2026
- detected Cloudflare Turnstile May 2026
- dropped Priority Hints Apr 2026
- detected TinyMCE Mar 2026