Technology history for calendar-u.com
Stack size over time
From 7 detected technologies in Jan 2019 to 20 in Jun 2026 (peak 21).
Currently detected
- Google Tag Manager since Jan 2019
- jQuery since Jan 2019
- Google Analytics since Jan 2019
- Cart Functionality since Dec 2020
- CodeIgniter since Dec 2021
- PHP since Dec 2021
- Google Ads Conversion Tracking since Dec 2021
- Google Font API since Nov 2022
- Hammer.js since Nov 2022
- Font Awesome since Nov 2022
- Materialize CSS since Nov 2022
- Microsoft Clarity since Nov 2022
- cdnjs since Nov 2022
- Cloudflare since Nov 2022
- Lightbox since Nov 2022
- Swiper since Nov 2022
- Google Ads since Dec 2022
- Microsoft Advertising since Oct 2023
- Yahoo Advertising since Nov 2023
- Nginx since Jul 2025
Previously used
- Priority Hints Sep 2025 to Nov 2025 · 2 mo
- Apache HTTP Server Jan 2019 to Jun 2025 · 6 yrs
- mod_perl Jan 2019 to Feb 2021 · 2 yrs
- Perl Jan 2019 to Feb 2021 · 2 yrs
- UNIX Jan 2019 to Feb 2021 · 2 yrs
Timeline
2026 1 dropped
- dropped Priority Hints Jan 2026 · Performance
2025 1 added · 1 switched
- added Priority Hints Sep 2025 · Performance
- switched Apache HTTP Server Nginx Jul 2025 · Web servers
2023 2 added
- added Yahoo Advertising Nov 2023 · Advertising
- added Microsoft Advertising Oct 2023 · Advertising
2022 1 added · 3 dropped
- added Google Ads Dec 2022 · Advertising
- dropped mod_perl Jan 2022 · Web server extensions
- dropped Perl Jan 2022 · Programming languages
- dropped UNIX Jan 2022 · Operating systems