Technology history for arc.ac.jp
Stack size over time
From 11 detected technologies in Apr 2019 to 18 in Jun 2026.
Currently detected
- Font Awesome since Apr 2019
- Google Font API since Apr 2019
- jQuery since Apr 2019
- jQuery Migrate since Apr 2019
- MySQL since Apr 2019
- PHP since Apr 2019
- Twitter Emoji (Twemoji) since Apr 2019
- WordPress since Apr 2019
- RSS since Dec 2022
- Contact Form 7 since May 2024
- Nginx since Oct 2024
- Priority Hints since Oct 2024
- Umami since Nov 2024
- Sakura Internet since Jan 2025
- Cloudflare Turnstile since Sep 2025
- HSTS since Dec 2025
- Amazon SES since May 2026
- Amazon Web Services since May 2026
Previously used
- Apache HTTP Server Apr 2019 to Sep 2024 · 5 yrs
- CentOS Apr 2019 to Sep 2024 · 5 yrs
- core-js May 2024 to Sep 2024 · 4 mo
- OpenSSL Apr 2019 to Sep 2024 · 5 yrs
Timeline
2026 3 added
- added Amazon SES May 2026 · Email
- added Amazon Web Services May 2026 · PaaS
- added Twitter Emoji (Twemoji) Jan 2026 · Font scripts
2025 2 added
- added Cloudflare Turnstile Sep 2025 · Security
- added Sakura Internet Jan 2025 · Hosting
2024 4 added · 3 dropped · 1 switched
- dropped CentOS Nov 2024 · Operating systems
- dropped core-js Nov 2024 · JavaScript libraries
- dropped OpenSSL Nov 2024 · Web server extensions
- added Umami Nov 2024 · Analytics
- switched Apache HTTP Server Nginx Oct 2024 · Web servers
- added Priority Hints Oct 2024 · Performance
- added Contact Form 7 May 2024 · WordPress plugins
- added core-js May 2024 · JavaScript libraries
2023 1 dropped
- dropped Twitter Emoji (Twemoji) Mar 2023 · Font scripts
2022 12 added
- added RSS Dec 2022 · Miscellaneous
- added Apache HTTP Server Aug 2022 · Web servers
- added CentOS Aug 2022 · Operating systems
- added Font Awesome Aug 2022 · Font scripts
- added Google Font API Aug 2022 · Font scripts
- added jQuery Aug 2022 · JavaScript libraries
- added jQuery Migrate Aug 2022 · JavaScript libraries
- added MySQL Aug 2022 · Databases
- added OpenSSL Aug 2022 · Web server extensions
- added PHP Aug 2022 · Programming languages
- added Twitter Emoji (Twemoji) Aug 2022 · Font scripts
- added WordPress Aug 2022 · CMS
2021 1 added · 1 dropped
- added Twitter Emoji (Twemoji) Jul 2021 · Font scripts
- dropped Twitter Emoji (Twemoji) Apr 2021 · Miscellaneous