Technology history for citeulike.org
Stack size over time
From 1 detected technologies in Apr 2018 to 12 in Jun 2026 (peak 24).
Currently detected
- Nginx since Apr 2018
- Google Analytics since Jun 2018
- MySQL since Jan 2022
- PHP since Jan 2022
- WordPress since Jan 2022
- Cloudflare since Aug 2022
- HTTP/3 since Sep 2022
- Open Graph since Sep 2022
- Alpine.js since Jan 2024
- HSTS since Apr 2024
- PWA since Oct 2024
- Cloudflare Browser Insights since Aug 2025
Previously used
- Hotjar Aug 2023 to Apr 2026 · 2 yrs
- Zoho Sep 2022 to Aug 2025 · 2 yrs
- Google Tag Manager Nov 2022 to Jul 2025 · 2 yrs
- Priority Hints Jul 2024 to Jan 2025 · 6 mo
- PayPal Feb 2023 to May 2024 · 1 yr
- Amazon ALB Jan 2023 to Dec 2023 · 11 mo
- Amazon Web Services Jan 2023 to Dec 2023 · 11 mo
- Bootstrap Jan 2023 to Dec 2023 · 11 mo
- cdnjs Jan 2023 to Dec 2023 · 11 mo
- jQuery Jan 2022 to Dec 2023 · 1 yr
- jQuery Migrate Jan 2022 to Dec 2023 · 1 yr
- Popper Nov 2023 to Dec 2023 · 1 mo
- RankMath SEO Feb 2023 to Dec 2023 · 10 mo
- Trustpilot Jan 2023 to Dec 2023 · 11 mo
- Ubuntu Feb 2023 to Dec 2023 · 10 mo
- Unpkg Nov 2023 to Dec 2023 · 1 mo
- WP Rocket Jan 2022 to Dec 2023 · 1 yr
- Twitter Emoji (Twemoji) Nov 2022 to Nov 2022 · 1 mo
- Cloudflare Network Error Logging Aug 2022 to Oct 2022 · 2 mo
- LiteSpeed Jan 2022 to Jul 2022 · 6 mo
- Litespeed Cache May 2022 to Jul 2022 · 2 mo
Timeline
2026 1 dropped
- dropped Hotjar Jun 2026 · Analytics
2025 2 added · 3 dropped
- added Hotjar Oct 2025 · Analytics
- dropped Zoho Oct 2025 · CRM
- dropped Google Tag Manager Sep 2025 · Tag managers
- added Cloudflare Browser Insights Aug 2025 · Analytics
- dropped Priority Hints Mar 2025 · Performance
2024 5 added · 14 dropped
- added PWA Oct 2024 · Miscellaneous
- dropped Hotjar Jul 2024 · Analytics
- dropped PayPal Jul 2024 · Payment processors
- added Priority Hints Jul 2024 · Performance
- added HSTS Apr 2024 · Security
- added Hotjar Mar 2024 · Analytics
- dropped Amazon ALB Feb 2024 · Load balancers
- dropped Amazon Web Services Feb 2024 · PaaS
- dropped Bootstrap Feb 2024 · UI frameworks
- dropped Hotjar Feb 2024 · Analytics
- dropped jQuery Feb 2024 · JavaScript libraries
- dropped jQuery Migrate Feb 2024 · JavaScript libraries
- dropped Popper Feb 2024 · Miscellaneous
- dropped RankMath SEO Feb 2024 · WordPress plugins
- dropped Trustpilot Feb 2024 · Reviews
- dropped Ubuntu Feb 2024 · Operating systems
- dropped Unpkg Feb 2024 · CDN
- dropped WP Rocket Feb 2024 · WordPress plugins
- added Alpine.js Jan 2024 · JavaScript frameworks
2023 30 added · 2 dropped · 1 switched
- added Hotjar Dec 2023 · Analytics
- dropped Hotjar Nov 2023 · Analytics
- added Popper Nov 2023 · Miscellaneous
- switched cdnjs Unpkg Nov 2023 · CDN
- added Hotjar Aug 2023 · Analytics
- added Amazon ALB May 2023 · Load balancers
- added Amazon Web Services May 2023 · PaaS
- added Bootstrap May 2023 · UI frameworks
- added cdnjs May 2023 · CDN
- added Cloudflare May 2023 · CDN
- added Google Tag Manager May 2023 · Tag managers
- added HTTP/3 May 2023 · Miscellaneous
- added jQuery May 2023 · JavaScript libraries
- added jQuery Migrate May 2023 · JavaScript libraries
- added MySQL May 2023 · Databases
- added Open Graph May 2023 · Miscellaneous
- added PayPal May 2023 · Payment processors
- added PHP May 2023 · Programming languages
- added RankMath SEO May 2023 · WordPress plugins
- added Trustpilot May 2023 · Reviews
- added Ubuntu May 2023 · Operating systems
- added WordPress May 2023 · CMS
- added WP Rocket May 2023 · WordPress plugins
- added Zoho May 2023 · CRM
- added PayPal Feb 2023 · Payment processors
- added RankMath SEO Feb 2023 · WordPress plugins
- added Ubuntu Feb 2023 · Operating systems
- added Amazon ALB Jan 2023 · Load balancers
- added Amazon Web Services Jan 2023 · PaaS
- added Bootstrap Jan 2023 · UI frameworks
- added cdnjs Jan 2023 · CDN
- added Trustpilot Jan 2023 · Reviews
- dropped Twitter Emoji (Twemoji) Jan 2023 · Font scripts
2022 13 added · 2 dropped · 1 switched
- dropped Cloudflare Network Error Logging Dec 2022 · Issue trackers
- added Google Tag Manager Nov 2022 · Tag managers
- added Twitter Emoji (Twemoji) Nov 2022 · Font scripts
- dropped LiteSpeed Oct 2022 · Web servers
- added HTTP/3 Sep 2022 · Miscellaneous
- added Open Graph Sep 2022 · Miscellaneous
- added Zoho Sep 2022 · CRM
- added Cloudflare Aug 2022 · CDN
- added Cloudflare Network Error Logging Aug 2022 · Issue trackers
- added jQuery Aug 2022 · JavaScript libraries
- added jQuery Migrate Aug 2022 · JavaScript libraries
- added MySQL Aug 2022 · Databases
- added PHP Aug 2022 · Programming languages
- added WordPress Aug 2022 · CMS
- switched Litespeed Cache WP Rocket Aug 2022 · Caching
- added Litespeed Cache May 2022 · Caching
2019 2 added
- added Google Analytics Mar 2019 · Analytics
- added Nginx Mar 2019 · Web Servers
2018 1 added
- added Google Analytics Jun 2018 · Analytics