Technology history for 221b.jp
Stack size over time
From 7 detected technologies in Aug 2018 to 17 in Jun 2026.
Currently detected
- Google AdSense since Aug 2018
- Google Analytics since Aug 2018
- jQuery since Aug 2018
- jQuery Mobile since Aug 2018
- Nginx since Aug 2018
- Twitter since Aug 2018
- Google Tag Manager since Jul 2021
- Twitter Ads since Jul 2021
- jQuery CDN since Feb 2022
- reCAPTCHA since Apr 2022
- Funding Choices since Jul 2024
- Cloudflare since Mar 2025
- Cloudflare Bot Management since Mar 2025
- Google Font API since Nov 2025
- HTTP/3 since Feb 2026
- LiteSpeed since Feb 2026
- OpenResty since Jun 2026
Previously used
- HSTS Sep 2022 to Jan 2026 · 3 yrs
- Ubuntu Aug 2018 to Jan 2026 · 7 yrs
- C Feb 2023 to Feb 2023 · 1 mo
- Wheelio Sep 2021 to Oct 2021 · 1 mo
Timeline
2026 6 added · 3 dropped · 1 switched
- added Google Tag Manager Jun 2026 · Tag managers
- added Nginx Jun 2026 · Web servers
- added OpenResty Jun 2026 · Web servers
- added Cloudflare May 2026 · CDN
- switched HSTS Cloudflare Bot Management May 2026 · Security
- dropped Google Tag Manager May 2026 · Tag managers
- dropped Nginx Mar 2026 · Web servers
- dropped Ubuntu Mar 2026 · Operating systems
- added HTTP/3 Feb 2026 · Miscellaneous
- added LiteSpeed Feb 2026 · Web servers
2025 4 added · 3 dropped
- dropped Cloudflare Nov 2025 · CDN
- dropped Cloudflare Bot Management Nov 2025 · Security
- added Google Font API Nov 2025 · Font scripts
- dropped Google Tag Manager Oct 2025 · Tag managers
- added Cloudflare Mar 2025 · CDN
- added Cloudflare Bot Management Mar 2025 · Security
- added Google Tag Manager Jan 2025 · Tag managers
2024 1 added · 1 dropped
- dropped Google Tag Manager Dec 2024 · Tag managers
- added Funding Choices Jul 2024 · Cookie compliance
2023 4 added · 3 dropped
- added Google Tag Manager Aug 2023 · Tag managers
- dropped Google Tag Manager Jun 2023 · Tag managers
- dropped C Apr 2023 · Programming languages
- added Google Tag Manager Apr 2023 · Tag managers
- dropped Google Tag Manager Mar 2023 · Tag managers
- added C Feb 2023 · Programming languages
- added Google Tag Manager Jan 2023 · Tag managers
2022 3 added · 1 dropped
- dropped Google Tag Manager Dec 2022 · Tag managers
- added HSTS Sep 2022 · Security
- added reCAPTCHA Apr 2022 · Security
- added jQuery CDN Feb 2022 · CDN
2021 4 added · 2 dropped
- dropped Wheelio Dec 2021 · Widgets
- added Wheelio Sep 2021 · Widgets
- added Google Tag Manager Jul 2021 · Tag managers
- added jQuery Mobile Jul 2021 · Mobile frameworks
- added Twitter Ads Jul 2021 · Advertising
- dropped jQuery Mobile Mar 2021 · Mobile frameworks
2019 7 added
- added Google AdSense Mar 2019 · Advertising Networks
- added Google Analytics Mar 2019 · Analytics
- added jQuery Mar 2019 · JavaScript Libraries
- added jQuery Mobile Mar 2019 · Mobile Frameworks
- added Nginx Mar 2019 · Web Servers
- added Twitter Mar 2019 · Widgets
- added Ubuntu Mar 2019 · Operating Systems