What powers pct.co.jp?
Last seen Sep 2026 · 25 technologies across 16 categories
Analytics
Google Analytics
since Jun 2025
Microsoft Clarity
since Dec 2025
Authentication
Google Sign-in
since Jul 2025
CDN
Google Hosted Libraries
since Feb 2022
CMS
WordPress
since Jan 2019
Databases
MySQL
since Jan 2019
JavaScript libraries
Miscellaneous
Open Graph
since Sep 2022
Operating systems
CentOS
since Jan 2019
Performance
LazySizes
since Jan 2026
Programming languages
Security
reCAPTCHA
since Jan 2019
Tag managers
Google Tag Manager
since Jul 2025
Web server extensions
Web servers
Webmail
Apple iCloud Mail
since Mar 2026
Microsoft 365
since Aug 2022
WordPress plugins
Autoptimize
since Jan 2026
Contact Form 7
since Sep 2026
Cookie Notice
since Dec 2025
W3 Total Cache
since Jan 2019
AI Crawlers
robots.txt could not be read at the last check (Sep 2026), so its policy is unknown.
- robots.txt not checked
- llms.txt found
- ai.txt not checked
AI Crawlers
Policy unknown
Standards: llms.txt
Audience
- 70% desktop
- 30% phone
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.02 / 10 · ranked #1,560,775 of all domains
20 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.6 s |
| INP | 25 ms |
| CLS | 0.05 |
| TTFB | 2200 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Japanese
- Weight: 1.5 MB · 66 requests
- WordPress theme: pct_2607 · all themes
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- PCテクノロジー株式会社
From the homepage's own structured data (Sep 2026).
Infrastructure
- Email: Microsoft 365
- Email security: SPF (hard fail), DMARC quarantine
- SSL: GlobalSign, RSA 2048, expires Nov 2026
- Common Crawl link graph: rank 819,023
- Verified with: Apple Business, GlobalSign, Microsoft 365
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Full technology history →
Report an incorrect detection
Recent changes
- detected Contact Form 7 Sep 2026
- detected Cookie Notice Sep 2026
- detected core-js Sep 2026
- dropped Cookie Notice May 2026
- dropped Google Font API May 2026
- detected Apple iCloud Mail Mar 2026
- detected Autoptimize Jan 2026
- detected LazySizes Jan 2026
- detected Cookie Notice Dec 2025
- dropped HeadJS Dec 2025
- detected Microsoft Clarity Dec 2025
- detected W3 Total Cache Dec 2025