Technology history for epub.to
Stack size over time
From 4 detected technologies in May 2021 to 11 in Jun 2026 (peak 12).
Currently detected
- Bootstrap since May 2021
- jQuery since May 2021
- Nginx since May 2021
- Open Graph since Sep 2022
- Vultr since Mar 2023
- Popper since Apr 2023
- Clicky since Aug 2023
- Google AdSense since Jul 2024
- Django since Jan 2026
- Python since Jan 2026
- HSTS since Apr 2026
Previously used
- Google Font API Nov 2025 to Dec 2025 · 1 mo
- reCAPTCHA Jul 2024 to Dec 2025 · 1 yr
- Mailgun Aug 2022 to Nov 2025 · 3 yrs
- Google Tag Manager Jul 2024 to Jun 2025 · 11 mo
- Google Analytics Jul 2024 to Jul 2024 · 1 mo
- C Feb 2023 to Feb 2023 · 1 mo
- Ubuntu May 2021 to Dec 2021 · 7 mo
Timeline
2026 2 added · 3 dropped
- dropped Mailgun May 2026 · Email
- dropped Google Font API Feb 2026 · Font scripts
- dropped reCAPTCHA Feb 2026 · Security
- added Django Jan 2026 · Web frameworks
- added Python Jan 2026 · Programming languages
2025 1 added · 1 dropped
- added Google Font API Nov 2025 · Font scripts
- dropped Google Tag Manager Aug 2025 · Tag managers
2024 4 added · 1 dropped
- dropped Google Analytics Sep 2024 · Analytics
- added Google AdSense Jul 2024 · Advertising
- added Google Analytics Jul 2024 · Analytics
- added Google Tag Manager Jul 2024 · Tag managers
- added reCAPTCHA Jul 2024 · Security
2023 4 added · 1 dropped
- added Clicky Aug 2023 · Analytics
- dropped C Apr 2023 · Programming languages
- added Popper Apr 2023 · Miscellaneous
- added Vultr Mar 2023 · PaaS
- added C Feb 2023 · Programming languages
2022 2 added · 1 dropped
- added Open Graph Sep 2022 · Miscellaneous
- added Mailgun Aug 2022 · Email
- dropped Ubuntu Jul 2022 · Operating systems