Technology history for pdf.io
Stack size over time
From 4 detected technologies in Aug 2018 to 11 in Jun 2026 (peak 14).
Currently detected
- Snap.svg since Aug 2018
- Google Analytics since Aug 2018
- Nginx since Aug 2018
- jQuery since Jan 2020
- Google AdSense since Mar 2021
- Google Tag Manager since Mar 2021
- Bootstrap since Jul 2021
- PHP since Sep 2021
- Cart Functionality since Feb 2022
- reCAPTCHA since Apr 2022
- HSTS since Sep 2022
Previously used
- Cloudflare Dec 2021 to Apr 2026 · 4 yrs
- HTTP/3 Sep 2022 to Oct 2025 · 3 yrs
- Snowplow Analytics Mar 2025 to Mar 2025 · 1 mo
- Funding Choices Feb 2024 to Feb 2024 · 1 mo
- Cloudflare Network Error Logging Feb 2022 to Oct 2022 · 8 mo
- Google Remarketing Tag Aug 2021 to May 2022 · 9 mo
- Tailwind CSS Apr 2022 to Apr 2022 · 1 mo
- Google Font API Aug 2018 to Oct 2021 · 3 yrs
- Wheelio Sep 2021 to Oct 2021 · 1 mo
Timeline
2026 1 added · 1 dropped
- dropped Cloudflare Jun 2026 · CDN
- added Nginx May 2026 · Web servers
2025 2 added · 3 dropped
- dropped HTTP/3 Dec 2025 · Miscellaneous
- added Google Tag Manager Sep 2025 · Tag managers
- dropped Google Tag Manager Aug 2025 · Tag managers
- dropped Snowplow Analytics May 2025 · Analytics
- added Snowplow Analytics Mar 2025 · Analytics
2024 1 added · 1 dropped
- dropped Funding Choices Apr 2024 · Cookie compliance
- added Funding Choices Feb 2024 · Cookie compliance
2023 1 added · 1 dropped
- added Google Tag Manager Sep 2023 · Tag managers
- dropped Google Tag Manager Aug 2023 · Tag managers
2022 6 added · 4 dropped
- dropped Cloudflare Network Error Logging Dec 2022 · Issue trackers
- added HSTS Sep 2022 · Security
- added HTTP/3 Sep 2022 · Miscellaneous
- dropped Google Remarketing Tag Jul 2022 · Retargeting
- dropped Tailwind CSS Jun 2022 · UI frameworks
- added reCAPTCHA Apr 2022 · Security
- added Tailwind CSS Apr 2022 · UI frameworks
- added Cart Functionality Feb 2022 · Ecommerce
- added Cloudflare Network Error Logging Feb 2022 · Issue trackers
- dropped Nginx Jan 2022 · Web servers
2021 10 added · 4 dropped
- added Cloudflare Dec 2021 · CDN
- dropped Google Font API Dec 2021 · Font scripts
- dropped Wheelio Dec 2021 · Widgets
- added PHP Sep 2021 · Programming languages
- added Wheelio Sep 2021 · Widgets
- added Google Remarketing Tag Aug 2021 · Retargeting
- added Bootstrap Jul 2021 · UI frameworks
- added Google Tag Manager Jul 2021 · Tag managers
- added jQuery Jul 2021 · JavaScript libraries
- added Snap.svg Jul 2021 · JavaScript libraries
- dropped Google Tag Manager Jun 2021 · Tag managers
- added Google AdSense Mar 2021 · Advertising
- added Google Tag Manager Mar 2021 · Tag managers
- dropped Snap.svg Mar 2021 · JavaScript libraries
2020 1 added · 1 dropped
2019 4 added
- added Google Analytics Mar 2019 · Analytics
- added Google Font API Mar 2019 · Font Scripts
- added Nginx Mar 2019 · Web Servers
- added Snap.svg Mar 2019 · JavaScript Libraries