Technology history for esl.cz
Stack size over time
From 12 detected technologies in Feb 2020 to 15 in Jun 2026 (peak 16).
Currently detected
- Google Analytics since Feb 2020
- Nette Framework since Feb 2020
- PHP since Feb 2020
- Select2 since Feb 2020
- Google Tag Manager since Feb 2020
- jQuery since Feb 2020
- Microsoft 365 since Aug 2022
- HSTS since Sep 2022
- core-js since Mar 2024
- Nginx since Mar 2024
- PWA since Mar 2024
- ActiveCampaign since Jul 2025
- Cloudflare Turnstile since Nov 2025
- PostHog since Dec 2025
- Cloudflare since Apr 2026
Previously used
- Matomo Analytics Aug 2020 to Oct 2025 · 5 yrs
- Apache HTTP Server Feb 2020 to Feb 2024 · 4 yrs
- CentOS Feb 2020 to Feb 2024 · 4 yrs
- Font Awesome Feb 2020 to Feb 2024 · 4 yrs
- Google Font API Feb 2020 to Feb 2024 · 4 yrs
- Hotjar Feb 2021 to Feb 2024 · 3 yrs
- Open Graph Sep 2022 to Feb 2024 · 1 yr
- OpenSSL Feb 2020 to Feb 2024 · 4 yrs
- Wheelio Sep 2021 to Oct 2021 · 1 mo
- Matomo Feb 2020 to Jul 2020 · 5 mo
Timeline
2026 1 added
- added Cloudflare Apr 2026 · CDN
2025 3 added · 1 switched
- switched Matomo Analytics PostHog Dec 2025 · Analytics
- added Cloudflare Turnstile Nov 2025 · Security
- added Matomo Analytics Aug 2025 · Analytics
- added ActiveCampaign Jul 2025 · Email
2024 1 added · 6 dropped · 2 switched
- dropped CentOS Apr 2024 · Operating systems
- dropped Font Awesome Apr 2024 · Font scripts
- dropped Google Font API Apr 2024 · Font scripts
- dropped Hotjar Apr 2024 · Analytics
- dropped Matomo Analytics Apr 2024 · Analytics
- dropped OpenSSL Apr 2024 · Web server extensions
- added core-js Mar 2024 · JavaScript libraries
- switched Apache HTTP Server Nginx Mar 2024 · Web servers
- switched Open Graph PWA Mar 2024 · Miscellaneous
2022 3 added
- added HSTS Sep 2022 · Security
- added Open Graph Sep 2022 · Miscellaneous
- added Microsoft 365 Aug 2022 · Webmail
2021 4 added · 3 dropped
- dropped Wheelio Dec 2021 · Widgets
- added Wheelio Sep 2021 · Widgets
- added jQuery Jul 2021 · JavaScript libraries
- added Select2 Jul 2021 · JavaScript libraries
- dropped jQuery Mar 2021 · JavaScript libraries
- dropped Select2 Mar 2021 · JavaScript libraries
- added Hotjar Feb 2021 · Analytics
2020 1 switched
- switched Matomo Matomo Analytics Aug 2020 · Analytics