Technology history for 31du.cn
Stack size over time
From 8 detected technologies in Feb 2020 to 13 in May 2026 (peak 23).
Currently detected
- WordPress since Feb 2020
- Cloudflare since Feb 2020
- jQuery since Feb 2020
- Font Awesome since Feb 2020
- MySQL since Feb 2020
- PHP since Feb 2020
- Baidu Analytics (百度统计) since Jul 2020
- HSTS since Sep 2022
- Autoptimize since Mar 2023
- VideoJS since Dec 2023
- HTTP/3 since Jun 2024
- cdnjs since Aug 2024
- Cloudflare Browser Insights since Oct 2025
Previously used
- jsDelivr Jul 2020 to Feb 2026 · 5 yrs
- MediaElement.js Dec 2025 to Dec 2025 · 1 mo
- Nginx Jul 2020 to Sep 2025 · 5 yrs
- OpenResty Jun 2025 to Sep 2025 · 3 mo
- Google Font API Dec 2022 to Nov 2024 · 1 yr
- Microsoft Advertising Jan 2024 to Nov 2024 · 10 mo
- SweetAlert Jan 2024 to Nov 2024 · 10 mo
- Unpkg Jul 2024 to Jul 2024 · 1 mo
- Umami Sep 2023 to Jan 2024 · 4 mo
- Bootstrap Feb 2020 to Nov 2023 · 3 yrs
- LazySizes Feb 2022 to Nov 2023 · 1 yr
- Popper Apr 2022 to Nov 2023 · 1 yr
- SweetAlert2 Nov 2021 to Nov 2023 · 2 yrs
- 51.LA May 2023 to Aug 2023 · 3 mo
- Amazon ALB Aug 2023 to Aug 2023 · 1 mo
- Amazon Web Services Aug 2023 to Aug 2023 · 1 mo
- Google AdSense Jul 2020 to Aug 2023 · 3 yrs
- Google Analytics Jul 2020 to Aug 2023 · 3 yrs
- Google Tag Manager Aug 2021 to Aug 2023 · 2 yrs
- reCAPTCHA Oct 2022 to Aug 2023 · 10 mo
- PayPal Feb 2023 to Apr 2023 · 2 mo
- C Feb 2023 to Feb 2023 · 1 mo
- W3 Total Cache Feb 2020 to Dec 2022 · 2 yrs
- Tailwind CSS Apr 2022 to Apr 2022 · 1 mo
- Tencent Waterproof Wall Nov 2021 to Jan 2022 · 2 mo
- Wheelio Sep 2021 to Oct 2021 · 1 mo
Timeline
2026 1 added · 2 dropped
- dropped jsDelivr Apr 2026 · CDN
- added jsDelivr Feb 2026 · CDN
- dropped MediaElement.js Feb 2026 · Video players
2025 7 added · 8 dropped
- added MediaElement.js Dec 2025 · Video players
- dropped Nginx Nov 2025 · Web servers
- dropped OpenResty Nov 2025 · Web servers
- added cdnjs Oct 2025 · CDN
- added Cloudflare Browser Insights Oct 2025 · Analytics
- added Font Awesome Oct 2025 · Font scripts
- added HTTP/3 Oct 2025 · Miscellaneous
- dropped HTTP/3 Jul 2025 · Miscellaneous
- added Nginx Jun 2025 · Web servers
- added OpenResty Jun 2025 · Web servers
- dropped cdnjs Feb 2025 · CDN
- dropped Font Awesome Feb 2025 · Font scripts
- dropped Google Font API Jan 2025 · Font scripts
- dropped Microsoft Advertising Jan 2025 · Advertising
- dropped SweetAlert Jan 2025 · JavaScript libraries
2024 5 added · 6 dropped · 3 switched
- switched Unpkg cdnjs Aug 2024 · CDN
- added Font Awesome Aug 2024 · Font scripts
- dropped Nginx Jul 2024 · Web servers
- added Unpkg Jul 2024 · CDN
- added HTTP/3 Jun 2024 · Miscellaneous
- dropped Umami Mar 2024 · Analytics
- added Baidu Analytics (百度统计) Jan 2024 · Analytics
- dropped Bootstrap Jan 2024 · UI frameworks
- dropped Font Awesome Jan 2024 · Font scripts
- added Google Font API Jan 2024 · Font scripts
- dropped LazySizes Jan 2024 · Performance
- switched Google AdSense Microsoft Advertising Jan 2024 · Advertising
- dropped Popper Jan 2024 · Miscellaneous
- switched SweetAlert2 SweetAlert Jan 2024 · JavaScript libraries
2023 10 added · 11 dropped
- added VideoJS Dec 2023 · Video players
- dropped 51.LA Oct 2023 · Analytics
- dropped Amazon ALB Oct 2023 · Load balancers
- dropped Amazon Web Services Oct 2023 · PaaS
- dropped Baidu Analytics (百度统计) Oct 2023 · Analytics
- dropped Google Analytics Oct 2023 · Analytics
- dropped Google Tag Manager Oct 2023 · Tag managers
- dropped reCAPTCHA Oct 2023 · Security
- added Cloudflare Sep 2023 · CDN
- added Umami Sep 2023 · Analytics
- added Amazon ALB Aug 2023 · Load balancers
- added Amazon Web Services Aug 2023 · PaaS
- dropped PayPal Jun 2023 · Payment processors
- added 51.LA May 2023 · Analytics
- dropped C Apr 2023 · Programming languages
- added Autoptimize Mar 2023 · WordPress plugins
- added C Feb 2023 · Programming languages
- dropped Google Font API Feb 2023 · Font scripts
- added PayPal Feb 2023 · Payment processors
- dropped W3 Total Cache Feb 2023 · Caching
- added Font Awesome Jan 2023 · Font scripts
2022 15 added · 2 dropped · 1 switched
- added Google Font API Dec 2022 · Font scripts
- added HSTS Sep 2022 · Security
- added Baidu Analytics (百度统计) Aug 2022 · Analytics
- switched Tailwind CSS Bootstrap Aug 2022 · UI frameworks
- added jQuery Aug 2022 · JavaScript libraries
- added LazySizes Aug 2022 · JavaScript libraries
- added MySQL Aug 2022 · Databases
- added Nginx Aug 2022 · Web servers
- added PHP Aug 2022 · Programming languages
- added Popper Aug 2022 · Miscellaneous
- added SweetAlert2 Aug 2022 · JavaScript libraries
- added W3 Total Cache Aug 2022 · Caching
- added WordPress Aug 2022 · CMS
- added Popper Apr 2022 · Miscellaneous
- added Tailwind CSS Apr 2022 · UI frameworks
- dropped jsDelivr Mar 2022 · CDN
- dropped Tencent Waterproof Wall Mar 2022 · Hosting panels
- added LazySizes Feb 2022 · JavaScript libraries
2021 8 added · 7 dropped
- dropped Cloudflare Dec 2021 · CDN
- dropped Font Awesome Dec 2021 · Font scripts
- dropped Google AdSense Dec 2021 · Advertising
- dropped Google Analytics Dec 2021 · Analytics
- dropped Google Tag Manager Dec 2021 · Tag managers
- dropped Wheelio Dec 2021 · Widgets
- added Nginx Nov 2021 · Web servers
- added SweetAlert2 Nov 2021 · JavaScript libraries
- added Tencent Waterproof Wall Nov 2021 · Hosting panels
- added W3 Total Cache Nov 2021 · Caching
- dropped W3 Total Cache Oct 2021 · Caching
- added Wheelio Sep 2021 · Widgets
- added Google AdSense Aug 2021 · Advertising
- added Google Analytics Aug 2021 · Analytics
- added Google Tag Manager Aug 2021 · Tag managers
2020 5 added · 3 dropped
- dropped Google AdSense Nov 2020 · Advertising
- dropped Google Analytics Nov 2020 · Analytics
- dropped Nginx Sep 2020 · Reverse proxies
- added Baidu Analytics (百度统计) Jul 2020 · Analytics
- added Google AdSense Jul 2020 · Advertising
- added Google Analytics Jul 2020 · Analytics
- added jsDelivr Jul 2020 · CDN
- added Nginx Jul 2020 · Reverse proxies