What powers gem-sigma.com?
Last seen Jun 2026 · 28 technologies across 19 categories
A/B Testing
Optimizely
since Sep 2024
Advertising
Google Ads
since Dec 2022
Yahoo Advertising
since Nov 2024
Analytics
Delacon
since Sep 2024
Google Ads Conversion Tracking
since Jul 2021
Google Analytics
since Dec 2020
CDN
jsDelivr
since Jul 2021
CMS
Databases
MySQL
since Dec 2020
Ecommerce
Cart Functionality
since Jul 2021
Hosting
Xserver
since Aug 2022
JavaScript libraries
Slick
since Dec 2020
Maps
Google Maps
since Aug 2023
Miscellaneous
Open Graph
since Sep 2022
RSS
since Dec 2022
Performance
Priority Hints
since Dec 2025
Programming languages
PHP
since Dec 2020
Security
reCAPTCHA
since Apr 2025
Tag managers
Google Tag Manager
since Dec 2020
UI frameworks
Web servers
Nginx
since Dec 2020
WordPress plugins
WP-PageNavi
since Feb 2022
WordPress themes
Lightning
since Feb 2022
Audience
- 50% desktop
- 50% phone
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
2.82 / 10 · ranked #1,927,189 of all domains
21 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.8 s |
| INP | 50 ms |
| CLS | 0.3 |
| TTFB | 1600 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- Weight: 14.6 MB · 418 requests
- WordPress theme: sigma · all themes
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Full technology history →
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Recent changes
- dropped FancyBox Apr 2026
- dropped Twitter Emoji (Twemoji) Jan 2026
- detected Priority Hints Dec 2025