Technology history for skillacademy.jp
Stack size over time
From 7 detected technologies in Dec 2020 to 23 in Sep 2026 (peak 27).
Currently detected
- Google Analytics since Dec 2020
- Apache HTTP Server since Dec 2020
- Google Tag Manager since Dec 2020
- jQuery since Dec 2020
- PHP since Dec 2020
- Facebook Pixel since Jul 2021
- core-js since Sep 2021
- jQuery CDN since Mar 2022
- YouTube since Aug 2022
- Open Graph since Sep 2022
- Contact Form 7 since May 2023
- Google Font API since May 2023
- Google Optimize since May 2023
- Microsoft Clarity since May 2023
- jQuery Migrate since May 2023
- OpenSSL since May 2023
- MySQL since May 2023
- reCAPTCHA since May 2023
- RSS since May 2023
- Slick since May 2023
- WordPress since May 2023
- Twitter Emoji (Twemoji) since May 2024
- All in One SEO since Jul 2024
Previously used
- AdRoll May 2023 to May 2024 · 1 yr
- FreakOut May 2023 to May 2024 · 1 yr
- Google Ads May 2023 to May 2024 · 1 yr
- Google Ads Conversion Tracking Jul 2021 to May 2024 · 2 yrs
- Yahoo Advertising Jun 2022 to May 2024 · 1 yr
- CentOS Dec 2020 to Mar 2023 · 2 yrs
- HSTS Sep 2022 to Mar 2023 · 6 mo
- Linkedin Insight Tag Mar 2021 to Mar 2023 · 2 yrs
- Facebook Dec 2020 to Mar 2022 · 1 yr
- Google Remarketing Tag Jul 2021 to Mar 2022 · 8 mo
- Wheelio Sep 2021 to Oct 2021 · 1 mo
Timeline
2025 1 added
- added Twitter Emoji (Twemoji) Dec 2025 · Font scripts
2024 2 added · 6 dropped
- dropped AdRoll Jul 2024 · Advertising
- added All in One SEO Jul 2024 · WordPress plugins
- dropped FreakOut Jul 2024 · Advertising
- dropped Google Ads Jul 2024 · Advertising
- dropped Google Ads Conversion Tracking Jul 2024 · Analytics
- dropped Twitter Emoji (Twemoji) Jul 2024 · Font scripts
- dropped Yahoo Advertising Jul 2024 · Advertising
- added Twitter Emoji (Twemoji) May 2024 · Font scripts
2023 3 dropped
- dropped CentOS Jul 2023 · Operating systems
- dropped HSTS Jul 2023 · Security
- dropped Linkedin Insight Tag Jul 2023 · Analytics
2022 2 added · 5 dropped
- dropped Google Ads Conversion Tracking Dec 2022 · Analytics
- dropped Google Tag Manager Dec 2022 · Tag managers
- added HSTS Sep 2022 · Security
- added Open Graph Sep 2022 · Miscellaneous
- dropped Facebook Aug 2022 · Widgets
- dropped Google Remarketing Tag Aug 2022 · Retargeting
- dropped Wheelio Mar 2022 · Widgets
2021 6 added · 1 dropped
- added core-js Sep 2021 · JavaScript libraries
- added Wheelio Sep 2021 · Widgets
- added Facebook Pixel Jul 2021 · Analytics
- added Google Ads Conversion Tracking Jul 2021 · Analytics
- added Google Remarketing Tag Jul 2021 · Retargeting
- added Google Tag Manager Jul 2021 · Tag managers
- dropped Google Tag Manager May 2021 · Tag managers