Technology history for pdf4freee.online
Stack size over time
From 11 detected technologies in Apr 2022 to 18 in Jun 2026.
Currently detected
- Google AdSense since Apr 2022
- Google Analytics since Apr 2022
- Blogger since Apr 2022
- Google Font API since Apr 2022
- Python since Apr 2022
- reCAPTCHA since Apr 2022
- cdnjs since May 2022
- Cloudflare since May 2022
- Google Tag Manager since May 2022
- Open Graph since Sep 2022
- OpenGSE since Oct 2022
- Java since Oct 2022
- RSS since Feb 2023
- Funding Choices since Feb 2024
- Webpushr since Oct 2025
- Google Charts since Feb 2026
- Splide since Feb 2026
- Microsoft Clarity since Apr 2026
Previously used
- Statcounter Aug 2025 to Sep 2025 · 1 mo
- Snowplow Analytics Sep 2024 to Sep 2024 · 1 mo
- jsDelivr Apr 2022 to May 2023 · 1 yr
- Quantcast Measure Apr 2022 to Oct 2022 · 6 mo
- web-vitals Apr 2022 to Oct 2022 · 6 mo
- Nginx Apr 2022 to Sep 2022 · 5 mo
- Tailwind CSS Apr 2022 to Apr 2022 · 1 mo
Timeline
2026 6 added · 3 dropped · 1 switched
- added Google Analytics May 2026 · Analytics
- added Google Charts May 2026 · JavaScript graphics
- added Splide May 2026 · JavaScript libraries
- dropped Google Analytics Apr 2026 · Analytics
- dropped Google Charts Apr 2026 · JavaScript graphics
- added Microsoft Clarity Apr 2026 · Analytics
- dropped Splide Apr 2026 · JavaScript libraries
- switched Statcounter Google Analytics Feb 2026 · Analytics
- added Google Charts Feb 2026 · JavaScript graphics
- added Splide Feb 2026 · JavaScript libraries
2025 3 added · 1 dropped
- added Webpushr Oct 2025 · Marketing automation
- added Statcounter Aug 2025 · Analytics
- added Google Tag Manager Apr 2025 · Tag managers
- dropped Google Tag Manager Feb 2025 · Tag managers
2024 3 added · 3 dropped
- dropped Snowplow Analytics Nov 2024 · Analytics
- dropped Google Analytics Sep 2024 · Analytics
- added Snowplow Analytics Sep 2024 · Analytics
- added Google Tag Manager Jun 2024 · Tag managers
- dropped Google Tag Manager May 2024 · Tag managers
- added Funding Choices Feb 2024 · Cookie compliance
2023 4 dropped
- dropped jsDelivr Jul 2023 · CDN
- dropped Nginx Mar 2023 · Web servers
- dropped Quantcast Measure Mar 2023 · Analytics
- dropped web-vitals Mar 2023 · JavaScript libraries
2022 6 added · 1 dropped
- added Java Oct 2022 · Programming languages
- added OpenGSE Oct 2022 · Web servers
- added Open Graph Sep 2022 · Miscellaneous
- dropped Tailwind CSS Jun 2022 · UI frameworks
- added cdnjs May 2022 · CDN
- added Cloudflare May 2022 · CDN
- added Google Tag Manager May 2022 · Tag managers