Technology history for pdflibr.com
Stack size over time
From 8 detected technologies in Jan 2019 to 10 in Jun 2026 (peak 16).
Currently detected
- Google AdSense since Jan 2019
- Google Analytics since Jan 2019
- Nginx since Jan 2019
- jQuery since Jan 2019
- Google Tag Manager since Jan 2019
- reCAPTCHA since Jan 2020
- PWA since Aug 2022
- HSTS since Sep 2022
- Funding Choices since Feb 2024
- Google Font API since Sep 2024
Previously used
- FancyBox Dec 2021 to Apr 2026 · 4 yrs
- LazySizes Feb 2022 to Apr 2026 · 4 yrs
- Snowplow Analytics Sep 2024 to Sep 2025 · 1 yr
- Cloudflare Dec 2024 to Feb 2025 · 2 mo
- Cloudflare Bot Management Dec 2024 to Feb 2025 · 2 mo
- Ubuntu Sep 2019 to Feb 2025 · 5 yrs
- Microsoft ASP.NET Oct 2023 to Oct 2023 · 1 mo
- core-js Nov 2022 to Mar 2023 · 4 mo
- C Feb 2023 to Feb 2023 · 1 mo
- Google Remarketing Tag Sep 2021 to May 2022 · 8 mo
- Bootstrap Jan 2019 to Nov 2021 · 2 yrs
- Wheelio Sep 2021 to Oct 2021 · 1 mo
- Moment.js Jan 2019 to Feb 2020 · 1 yr
- React Jan 2019 to Feb 2020 · 1 yr
Timeline
2026 2 dropped
2025 3 added · 7 dropped
- added Google Font API Nov 2025 · Font scripts
- dropped Snowplow Analytics Nov 2025 · Analytics
- added Snowplow Analytics Sep 2025 · Analytics
- dropped Snowplow Analytics Jul 2025 · Analytics
- added Snowplow Analytics May 2025 · Analytics
- dropped Cloudflare Apr 2025 · CDN
- dropped Cloudflare Bot Management Apr 2025 · Security
- dropped Snowplow Analytics Apr 2025 · Analytics
- dropped Ubuntu Apr 2025 · Operating systems
- dropped Google Font API Feb 2025 · Font scripts
2024 6 added
- added Cloudflare Dec 2024 · CDN
- added Cloudflare Bot Management Dec 2024 · Security
- added Ubuntu Oct 2024 · Operating systems
- added Google Font API Sep 2024 · Font scripts
- added Snowplow Analytics Sep 2024 · Analytics
- added Funding Choices Feb 2024 · Cookie compliance
2023 13 added · 4 dropped
- dropped Microsoft ASP.NET Dec 2023 · Web frameworks
- added Microsoft ASP.NET Oct 2023 · Web frameworks
- dropped core-js May 2023 · JavaScript libraries
- added FancyBox May 2023 · JavaScript libraries
- added Google AdSense May 2023 · Advertising
- added Google Analytics May 2023 · Analytics
- added Google Tag Manager May 2023 · Tag managers
- added HSTS May 2023 · Security
- added jQuery May 2023 · JavaScript libraries
- added LazySizes May 2023 · JavaScript libraries
- added Nginx May 2023 · Web servers
- added PWA May 2023 · Miscellaneous
- added reCAPTCHA May 2023 · Security
- dropped C Apr 2023 · Programming languages
- added C Feb 2023 · Programming languages
- dropped Ubuntu Feb 2023 · Operating systems
- added Google Tag Manager Jan 2023 · Tag managers
2022 12 added · 3 dropped
- dropped Google Tag Manager Dec 2022 · Tag managers
- added HSTS Sep 2022 · Security
- added FancyBox Aug 2022 · JavaScript libraries
- added Google AdSense Aug 2022 · Advertising
- added Google Analytics Aug 2022 · Analytics
- added Google Tag Manager Aug 2022 · Tag managers
- added jQuery Aug 2022 · JavaScript libraries
- added LazySizes Aug 2022 · JavaScript libraries
- added Nginx Aug 2022 · Web servers
- added PWA Aug 2022 · Miscellaneous
- added reCAPTCHA Aug 2022 · Security
- added Ubuntu Aug 2022 · Operating systems
- dropped Google Remarketing Tag Jul 2022 · Retargeting
- added LazySizes Feb 2022 · JavaScript libraries
- dropped Bootstrap Jan 2022 · UI frameworks
2021 1 added · 3 dropped
- added FancyBox Dec 2021 · JavaScript libraries
- dropped Wheelio Dec 2021 · Widgets
- dropped Moment.js Oct 2021 · JavaScript Libraries
- dropped React Oct 2021 · JavaScript Frameworks
2020 1 added
- added reCAPTCHA Jan 2020 · Captchas
2019 12 added · 3 dropped
- added React Nov 2019 · JavaScript Frameworks
- added Nginx Sep 2019 · Web Servers
- dropped React Sep 2019 · JavaScript Frameworks
- added Ubuntu Sep 2019 · Operating Systems
- added React Jul 2019 · JavaScript Frameworks
- dropped Nginx Jun 2019 · Web Servers
- dropped React May 2019 · JavaScript Frameworks
- added Bootstrap Mar 2019 · Web Frameworks
- added Google AdSense Mar 2019 · Advertising Networks
- added Google Analytics Mar 2019 · Analytics
- added Google Tag Manager Mar 2019 · Tag Managers
- added jQuery Mar 2019 · JavaScript Libraries
- added Moment.js Mar 2019 · JavaScript Libraries
- added Nginx Mar 2019 · Web Servers
- added React Mar 2019 · JavaScript Frameworks