Technology history for a21.cz
Stack size over time
From 6 detected technologies in Jul 2019 to 13 in Jun 2026.
Currently detected
- Google Analytics since Jul 2019
- jQuery since Jul 2019
- Microsoft 365 since Aug 2022
- core-js since May 2023
- IIS since May 2023
- Slick since May 2023
- Open Graph since May 2023
- PWA since May 2023
- Windows Server since May 2023
- Microsoft ASP.NET since May 2023
- Google Tag Manager since Nov 2024
- Facebook Pixel since Feb 2025
- Google Call Conversion Tracking since Feb 2025
Previously used
- Google Sign-in Jul 2021 to Apr 2023 · 1 yr
- Lightbox Jul 2019 to Apr 2023 · 3 yrs
- Nginx Mar 2022 to Apr 2023 · 1 yr
- PHP Mar 2022 to Apr 2023 · 1 yr
- Plesk Jul 2019 to Apr 2023 · 3 yrs
- C Feb 2023 to Feb 2023 · 1 mo
- Apache HTTP Server Jul 2019 to Nov 2021 · 2 yrs
- Google Plus Jul 2019 to Sep 2021 · 2 yrs
- Wheelio Sep 2021 to Sep 2021 · 1 mo
Timeline
2025 2 added
- added Facebook Pixel Feb 2025 · Analytics
- added Google Call Conversion Tracking Feb 2025 · Analytics
2024 2 added · 1 dropped
- added core-js Nov 2024 · JavaScript libraries
- added Google Tag Manager Nov 2024 · Tag managers
- dropped core-js Mar 2024 · JavaScript libraries
2023 6 added · 4 dropped · 2 switched
- dropped Google Sign-in Jun 2023 · Authentication
- dropped Lightbox Jun 2023 · JavaScript libraries
- dropped Plesk Jun 2023 · Hosting panels
- added core-js May 2023 · JavaScript libraries
- switched Nginx IIS May 2023 · Web servers
- added Microsoft ASP.NET May 2023 · Web frameworks
- added Open Graph May 2023 · Miscellaneous
- added PWA May 2023 · Miscellaneous
- added Slick May 2023 · JavaScript libraries
- added Windows Server May 2023 · Operating systems
- dropped C Apr 2023 · Programming languages
- switched PHP C Feb 2023 · Programming languages
2022 1 added · 3 dropped
- added Microsoft 365 Aug 2022 · Webmail
- dropped Apache HTTP Server Apr 2022 · Web servers
- dropped Google Plus Mar 2022 · Widgets
- dropped Wheelio Mar 2022 · Widgets
2021 1 added
- added Wheelio Sep 2021 · Widgets