Technology history for system4u.cz
Stack size over time
From 21 detected technologies in Apr 2019 to 37 in Jun 2026.
Currently detected
- jQuery since Apr 2019
- jQuery Migrate since Apr 2019
- Google Analytics since Apr 2019
- MySQL since Apr 2019
- Google Tag Manager since Apr 2019
- PHP since Apr 2019
- reCAPTCHA since Apr 2019
- WordPress since Apr 2019
- Yoast SEO since Apr 2019
- Nginx since Dec 2019
- OpenResty since Dec 2019
- AngularJS since May 2020
- jQuery UI since May 2020
- Linkedin Insight Tag since Jul 2021
- core-js since Sep 2021
- DataTables since Sep 2021
- Matomo Analytics since Oct 2021
- Contact Form 7 since Feb 2022
- Microsoft 365 since Aug 2022
- Open Graph since Nov 2022
- LazySizes since Dec 2022
- Apple iCloud Mail since Jan 2023
- WPML since Apr 2023
- Facebook Pixel since Nov 2023
- Glide.js since Feb 2024
- GSAP since Feb 2024
- PWA since Feb 2024
- ScrollMagic since Feb 2024
- Typekit since Feb 2024
- W3 Total Cache since Feb 2024
- Cloudflare since Mar 2024
- HTTP/3 since Jun 2024
- Cloudflare Bot Management since Oct 2024
- Popper since Nov 2024
- Tippy.js since Nov 2024
- Microsoft Clarity since May 2026
- RankMath SEO since Jun 2026
Previously used
- HSTS Mar 2024 to Nov 2024 · 8 mo
- SparkPost Aug 2022 to Feb 2024 · 1 yr
- Bootstrap Dec 2019 to Nov 2023 · 3 yrs
- Complianz Jan 2022 to Nov 2023 · 1 yr
- Linkedin Ads Nov 2022 to Nov 2023 · 1 yr
- RSS Dec 2022 to Nov 2023 · 11 mo
- Underscore.js Feb 2022 to Nov 2023 · 1 yr
- Understrap Feb 2022 to Nov 2023 · 1 yr
- Yoast SEO Premium Apr 2022 to Nov 2023 · 1 yr
- C Feb 2023 to Feb 2023 · 1 mo
- WP Rocket May 2022 to Aug 2022 · 3 mo
- Tailwind CSS Apr 2022 to Apr 2022 · 1 mo
- Google Ads Conversion Tracking Jul 2021 to Jan 2022 · 6 mo
- Google Remarketing Tag Jul 2021 to Jan 2022 · 6 mo
- Osano Jan 2022 to Jan 2022 · 1 mo
- Babel Jul 2021 to Nov 2021 · 4 mo
- Wheelio Sep 2021 to Oct 2021 · 1 mo
- TrackJs Dec 2019 to Jun 2021 · 1 yr
- Lua Dec 2019 to May 2021 · 1 yr
- Lodash Mar 2021 to Apr 2021 · 1 mo
- Twitter Emoji (Twemoji) Apr 2019 to Jul 2020 · 1 yr
- Apache HTTP Server Apr 2019 to Nov 2019 · 7 mo
- Facebook Aug 2019 to Nov 2019 · 3 mo
- FancyBox Apr 2019 to Nov 2019 · 7 mo
- Google Font API Apr 2019 to Nov 2019 · 7 mo
- Gravity Forms Apr 2019 to Nov 2019 · 7 mo
- Matomo Apr 2019 to Nov 2019 · 7 mo
- Modernizr Apr 2019 to Nov 2019 · 7 mo
- OpenSSL Apr 2019 to Nov 2019 · 7 mo
- SWFObject Apr 2019 to Nov 2019 · 7 mo
- YouTube Apr 2019 to Nov 2019 · 7 mo
- ZURB Foundation Apr 2019 to Nov 2019 · 7 mo
- CentOS Apr 2019 to Apr 2019 · 1 mo
Timeline
2026 2 added
- added RankMath SEO Jun 2026 · WordPress plugins
- added Microsoft Clarity May 2026 · Analytics
2025 2 added · 3 dropped
- added Cloudflare Bot Management Jun 2025 · Security
- dropped Cloudflare Bot Management May 2025 · Security
- added Cloudflare Bot Management Mar 2025 · Security
- dropped Cloudflare Bot Management Jan 2025 · Security
- dropped HSTS Jan 2025 · Security
2024 6 added · 8 dropped · 1 switched
- added reCAPTCHA Dec 2024 · Security
- added Popper Nov 2024 · Miscellaneous
- added Tippy.js Nov 2024 · JavaScript libraries
- added Cloudflare Bot Management Oct 2024 · Security
- switched RSS HTTP/3 Jun 2024 · Miscellaneous
- dropped reCAPTCHA May 2024 · Security
- dropped SparkPost Apr 2024 · Email
- dropped Bootstrap Mar 2024 · UI frameworks
- added Cloudflare Mar 2024 · CDN
- dropped Complianz Mar 2024 · WordPress plugins
- added HSTS Mar 2024 · Security
- dropped Linkedin Ads Mar 2024 · Advertising
- dropped Underscore.js Mar 2024 · JavaScript libraries
- dropped Understrap Mar 2024 · WordPress themes
- dropped Yoast SEO Premium Mar 2024 · SEO
2023 3 added · 2 dropped
- added Facebook Pixel Nov 2023 · Analytics
- dropped C Jun 2023 · Programming languages
- dropped SparkPost Apr 2023 · Email
- added C Feb 2023 · Programming languages
- added Apple iCloud Mail Jan 2023 · Webmail
2022 28 added · 6 dropped · 1 switched
- added LazySizes Dec 2022 · JavaScript libraries
- added RSS Dec 2022 · Miscellaneous
- dropped WP Rocket Dec 2022 · Caching
- switched Tailwind CSS Bootstrap Aug 2022 · UI frameworks
- added Complianz Aug 2022 · WordPress plugins
- added Contact Form 7 Aug 2022 · WordPress plugins
- added core-js Aug 2022 · JavaScript libraries
- added jQuery Migrate Aug 2022 · JavaScript libraries
- added Linkedin Insight Tag Aug 2022 · Analytics
- added Matomo Analytics Aug 2022 · Analytics
- added Microsoft 365 Aug 2022 · Email
- added MySQL Aug 2022 · Databases
- added Nginx Aug 2022 · Web servers
- added OpenResty Aug 2022 · Web servers
- added PHP Aug 2022 · Programming languages
- added SparkPost Aug 2022 · Email
- added Underscore.js Aug 2022 · JavaScript libraries
- added Understrap Aug 2022 · WordPress themes
- added WordPress Aug 2022 · CMS
- added WP Rocket Aug 2022 · Caching
- added Yoast SEO Aug 2022 · WordPress plugins
- added Yoast SEO Premium Aug 2022 · SEO
- dropped Google Tag Manager Jul 2022 · Tag managers
- added WP Rocket May 2022 · WordPress plugins
- added Tailwind CSS Apr 2022 · UI frameworks
- added Yoast SEO Premium Apr 2022 · SEO
- dropped Google Ads Conversion Tracking Mar 2022 · Analytics
- dropped Google Remarketing Tag Mar 2022 · Retargeting
- dropped Osano Mar 2022 · Cookie compliance
- added Contact Form 7 Feb 2022 · WordPress plugins
- added Underscore.js Feb 2022 · JavaScript libraries
- added Understrap Feb 2022 · WordPress themes
- dropped Babel Jan 2022 · Miscellaneous
- added Complianz Jan 2022 · A/B Testing
- added Osano Jan 2022 · Cookie compliance
2021 12 added · 7 dropped
- dropped Wheelio Dec 2021 · Widgets
- added Matomo Analytics Oct 2021 · Analytics
- added core-js Sep 2021 · JavaScript libraries
- added DataTables Sep 2021 · JavaScript libraries
- added Wheelio Sep 2021 · Widgets
- dropped TrackJs Aug 2021 · Analytics
- added Babel Jul 2021 · Miscellaneous
- added Bootstrap Jul 2021 · UI frameworks
- added Google Ads Conversion Tracking Jul 2021 · Analytics
- added Google Remarketing Tag Jul 2021 · Retargeting
- added Linkedin Insight Tag Jul 2021 · Analytics
- dropped Lua Jul 2021 · Programming languages
- added AngularJS Jun 2021 · JavaScript frameworks
- added jQuery UI Jun 2021 · JavaScript libraries
- dropped Lodash Jun 2021 · JavaScript libraries
- dropped AngularJS Mar 2021 · JavaScript frameworks
- dropped Bootstrap Mar 2021 · UI frameworks
- dropped jQuery UI Mar 2021 · JavaScript libraries
- added Lodash Mar 2021 · JavaScript libraries
2020 11 dropped
- dropped Twitter Emoji (Twemoji) Sep 2020 · Miscellaneous
- dropped Apache HTTP Server Jan 2020 · Web Servers
- dropped Facebook Jan 2020 · Widgets
- dropped FancyBox Jan 2020 · JavaScript Libraries
- dropped Google Font API Jan 2020 · Font Scripts
- dropped Gravity Forms Jan 2020 · Miscellaneous
- dropped Modernizr Jan 2020 · JavaScript Libraries
- dropped OpenSSL Jan 2020 · Web Server Extensions
- dropped reCAPTCHA Jan 2020 · Captchas
- dropped SWFObject Jan 2020 · Miscellaneous
- dropped YouTube Jan 2020 · Video Players
2019 4 added · 1 dropped · 2 switched
- switched ZURB Foundation Bootstrap Dec 2019 · Web Frameworks
- added Lua Dec 2019 · Programming Languages
- added Nginx Dec 2019 · Web Servers
- added OpenResty Dec 2019 · Web Servers
- switched Matomo TrackJs Dec 2019 · Analytics
- dropped CentOS Aug 2019 · Operating Systems
- added Facebook Aug 2019 · Widgets