Technology history for pdf-tools.com
Stack size over time
From 4 detected technologies in Apr 2018 to 38 in Jun 2026 (peak 39).
Currently detected
- Google Font API since Apr 2018
- Google Analytics since Jun 2018
- Google Tag Manager since Feb 2020
- Hotjar since Jul 2020
- Microsoft Advertising since Feb 2021
- Webpack since Oct 2021
- core-js since Oct 2021
- Gatsby since Oct 2021
- Linkedin Insight Tag since Oct 2021
- React since Oct 2021
- Tailwind CSS since Apr 2022
- Cloudflare since Jun 2022
- Cloudflare Bot Management since Jun 2022
- HubSpot since Jun 2022
- Microsoft 365 since Aug 2022
- Open Graph since Sep 2022
- HSTS since Sep 2022
- PWA since Nov 2022
- Amazon CloudFront since Nov 2022
- Amazon Web Services since Nov 2022
- styled-components since Nov 2022
- Storyblok since Mar 2023
- Convert since Jan 2025
- Facebook Pixel since Jan 2025
- AdRoll since Jan 2025
- AdRoll CMP System since Jan 2025
- Koala since Jan 2025
- HubSpot Chat since Jan 2025
- Sentry since Jan 2025
- Next.js since Feb 2025
- Next.js App Router since Feb 2025
- Node.js since Feb 2025
- Priority Hints since Feb 2025
- Radix UI since Feb 2025
- shadcn/ui since Feb 2025
- Google Sign-in since Jun 2025
- Amazon S3 since Jul 2025
- HTTP/3 since Mar 2026
Previously used
- Knockout.js Jan 2025 to Sep 2025 · 8 mo
- Stripe Feb 2025 to Sep 2025 · 7 mo
- Nginx Nov 2022 to Jan 2025 · 2 yrs
- CookieYes Oct 2022 to Mar 2023 · 5 mo
- Hello Bar Nov 2022 to Mar 2023 · 4 mo
- reCAPTCHA Nov 2022 to Mar 2023 · 4 mo
- Swiper Nov 2022 to Mar 2023 · 4 mo
- C Feb 2023 to Feb 2023 · 1 mo
- Google Call Conversion Tracking Jul 2021 to Oct 2022 · 1 yr
- Google Ads Conversion Tracking Jun 2022 to Sep 2022 · 3 mo
- Matomo Analytics Jun 2022 to Sep 2022 · 3 mo
- Microsoft Clarity Dec 2021 to Sep 2022 · 9 mo
- Osano Jul 2022 to Jul 2022 · 1 mo
- Wheelio Sep 2021 to Oct 2021 · 1 mo
- Bootstrap Jun 2018 to Sep 2021 · 3 yrs
- Highlight.js Aug 2018 to Sep 2021 · 3 yrs
- jQuery Jun 2018 to Sep 2021 · 3 yrs
- jQuery UI Jun 2018 to Sep 2021 · 3 yrs
- IIS Apr 2018 to Apr 2020 · 2 yrs
- Microsoft ASP.NET Apr 2018 to Apr 2020 · 2 yrs
- PHP Jun 2018 to Apr 2020 · 1 yr
- TYPO3 CMS Apr 2018 to Apr 2020 · 2 yrs
- Windows Server Jun 2018 to Apr 2020 · 1 yr
Timeline
2026 1 added
- added HSTS Apr 2026 · Security
2025 10 dropped
- dropped Knockout.js Dec 2025 · JavaScript frameworks
- dropped Stripe Dec 2025 · Payment processors
- dropped HSTS Aug 2025 · Security
- dropped Nginx Aug 2025 · Web servers
- dropped shadcn/ui Aug 2025 · UI frameworks
- dropped CookieYes Jul 2025 · Cookie compliance
- dropped Hello Bar Jul 2025 · Widgets
- dropped reCAPTCHA Jul 2025 · Security
- dropped Swiper Jul 2025 · JavaScript libraries
- dropped C Jan 2025 · Programming languages
2023 2 added
2022 27 added · 12 dropped · 1 switched
- dropped Cloudflare Dec 2022 · CDN
- dropped Cloudflare Bot Management Dec 2022 · Security
- dropped Google Ads Conversion Tracking Dec 2022 · Analytics
- dropped Google Call Conversion Tracking Dec 2022 · Analytics
- dropped Google Font API Dec 2022 · Font scripts
- dropped Hotjar Dec 2022 · Analytics
- dropped HSTS Dec 2022 · Security
- dropped Linkedin Insight Tag Dec 2022 · Analytics
- dropped Matomo Analytics Dec 2022 · Analytics
- dropped Microsoft Advertising Dec 2022 · Advertising
- dropped Microsoft Clarity Dec 2022 · Analytics
- switched Osano CookieYes Oct 2022 · Cookie compliance
- added HSTS Sep 2022 · Security
- added Open Graph Sep 2022 · Miscellaneous
- added Cloudflare Aug 2022 · CDN
- added Cloudflare Bot Management Aug 2022 · Security
- added core-js Aug 2022 · JavaScript libraries
- added Gatsby Aug 2022 · JavaScript frameworks
- added Google Ads Conversion Tracking Aug 2022 · Analytics
- added Google Analytics Aug 2022 · Analytics
- added Google Call Conversion Tracking Aug 2022 · Analytics
- added Google Font API Aug 2022 · Font scripts
- added Google Tag Manager Aug 2022 · Tag managers
- added Hotjar Aug 2022 · Analytics
- added HubSpot Aug 2022 · Marketing automation
- added Linkedin Insight Tag Aug 2022 · Analytics
- added Matomo Analytics Aug 2022 · Analytics
- added Microsoft 365 Aug 2022 · Webmail
- added Microsoft Advertising Aug 2022 · Advertising
- added Microsoft Clarity Aug 2022 · Analytics
- added React Aug 2022 · JavaScript frameworks
- added Webpack Aug 2022 · Miscellaneous
- added Osano Jul 2022 · Cookie compliance
- added Cloudflare Jun 2022 · CDN
- added Cloudflare Bot Management Jun 2022 · Security
- added Google Ads Conversion Tracking Jun 2022 · Analytics
- added HubSpot Jun 2022 · Marketing automation
- added Matomo Analytics Jun 2022 · Analytics
- dropped Tailwind CSS Jun 2022 · UI frameworks
- added Tailwind CSS Apr 2022 · UI frameworks
2021 12 added · 8 dropped · 1 switched
- added Microsoft Clarity Dec 2021 · Analytics
- dropped Wheelio Dec 2021 · Widgets
- dropped Bootstrap Nov 2021 · UI frameworks
- dropped jQuery Nov 2021 · JavaScript libraries
- dropped jQuery UI Nov 2021 · JavaScript libraries
- added core-js Oct 2021 · JavaScript libraries
- added Gatsby Oct 2021 · Static site generator
- added Linkedin Insight Tag Oct 2021 · Analytics
- added React Oct 2021 · JavaScript libraries
- switched Highlight.js Webpack Oct 2021 · Miscellaneous
- added Wheelio Sep 2021 · Widgets
- added Bootstrap Jul 2021 · UI frameworks
- added Google Call Conversion Tracking Jul 2021 · Analytics
- added Highlight.js Jul 2021 · Miscellaneous
- added jQuery Jul 2021 · JavaScript libraries
- added jQuery UI Jul 2021 · JavaScript libraries
- dropped Bootstrap Mar 2021 · UI frameworks
- dropped Highlight.js Mar 2021 · Miscellaneous
- dropped jQuery Mar 2021 · JavaScript libraries
- dropped jQuery UI Mar 2021 · JavaScript libraries
- added Microsoft Advertising Feb 2021 · Analytics
2020 2 added · 5 dropped
- added Hotjar Jul 2020 · Analytics
- dropped IIS Jun 2020 · Web Servers
- dropped Microsoft ASP.NET Jun 2020 · Web Application Frameworks
- dropped PHP Jun 2020 · Programming Languages
- dropped TYPO3 CMS Jun 2020 · CMS
- dropped Windows Server Jun 2020 · Operating Systems
- added Google Tag Manager Feb 2020 · Tag Managers
2019 11 added
- added Bootstrap Mar 2019 · Web Frameworks
- added Google Analytics Mar 2019 · Analytics
- added Google Font API Mar 2019 · Font Scripts
- added Highlight.js Mar 2019 · Miscellaneous
- added IIS Mar 2019 · Web Servers
- added jQuery Mar 2019 · JavaScript Libraries
- added jQuery UI Mar 2019 · JavaScript Libraries
- added Microsoft ASP.NET Mar 2019 · Web Frameworks
- added PHP Mar 2019 · Programming Languages
- added TYPO3 CMS Mar 2019 · CMS
- added Windows Server Mar 2019 · Operating Systems
2018 7 added
- added Highlight.js Aug 2018 · Miscellaneous
- added Bootstrap Jun 2018 · Web Frameworks
- added Google Analytics Jun 2018 · Analytics
- added jQuery Jun 2018 · JavaScript Frameworks
- added jQuery UI Jun 2018 · JavaScript Frameworks
- added PHP Jun 2018 · Programming Languages
- added Windows Server Jun 2018 · Operating Systems