Technology history for observant.nl
Stack size over time
From 20 detected technologies in May 2019 to 23 in Aug 2026 (peak 35).
Currently detected
- Google Tag Manager since May 2019
- jQuery Migrate since May 2019
- Google Analytics since May 2019
- jQuery since May 2019
- MySQL since May 2019
- PHP since May 2019
- reCAPTCHA since May 2019
- WordPress since May 2019
- core-js since Sep 2021
- Yoast SEO since May 2022
- The Events Calendar since Jun 2022
- Contact Form 7 since Jul 2022
- MailChimp since Jul 2022
- MailChimp for WordPress since Jul 2022
- Smash Balloon Instagram Feed since Jul 2022
- Microsoft 365 since Aug 2022
- Open Graph since Sep 2022
- RSS since Dec 2022
- Facebook Pixel since Aug 2023
- Priority Hints since Aug 2023
- Complianz since Nov 2023
- Swiper since Mar 2024
- Nginx since Jun 2024
Previously used
- WP Fastest Cache Aug 2022 to Nov 2025 · 3 yrs
- Bootstrap May 2019 to Apr 2025 · 5 yrs
- Vimeo Sep 2021 to Apr 2025 · 3 yrs
- Apache HTTP Server May 2019 to May 2024 · 5 yrs
- GSAP May 2019 to May 2024 · 5 yrs
- LazySizes Jul 2022 to May 2024 · 1 yr
- Leaflet May 2019 to May 2024 · 5 yrs
- Livefyre Jul 2022 to May 2024 · 1 yr
- Slider Revolution May 2019 to May 2024 · 5 yrs
- Isotope Sep 2021 to Jan 2024 · 2 yrs
- Google Font API May 2019 to Dec 2023 · 4 yrs
- CookieYes Jul 2022 to Oct 2023 · 1 yr
- React May 2019 to Oct 2023 · 4 yrs
- Site Kit Jul 2022 to Oct 2023 · 1 yr
- Tidio Sep 2021 to Oct 2023 · 2 yrs
- Matomo Analytics Sep 2020 to Jun 2022 · 1 yr
- WP-Optimize Apr 2022 to Jun 2022 · 2 mo
- Google Remarketing Tag Sep 2021 to May 2022 · 8 mo
- Wheelio Sep 2021 to Sep 2021 · 1 mo
- Chart.js May 2019 to Dec 2020 · 1 yr
- jQuery UI Sep 2020 to Dec 2020 · 3 mo
- Lightbox May 2019 to Apr 2020 · 11 mo
- Matomo May 2019 to Apr 2020 · 11 mo
- Modernizr May 2019 to Apr 2020 · 11 mo
- Twitter Emoji (Twemoji) May 2019 to Apr 2020 · 11 mo
Timeline
2025 1 added · 2 dropped · 1 switched
- added MailChimp Dec 2025 · Marketing automation
- switched WP Fastest Cache MailChimp for WordPress Dec 2025 · WordPress plugins
- dropped Bootstrap Jun 2025 · UI frameworks
- dropped Vimeo Jun 2025 · Video players
2024 4 added · 7 dropped · 1 switched
- dropped GSAP Jul 2024 · JavaScript frameworks
- dropped LazySizes Jul 2024 · Performance
- dropped Leaflet Jul 2024 · Maps
- dropped Livefyre Jul 2024 · Comment systems
- dropped Slider Revolution Jul 2024 · Widgets
- added jQuery Migrate Jun 2024 · JavaScript libraries
- switched Apache HTTP Server Nginx Jun 2024 · Web servers
- added Smash Balloon Instagram Feed Jun 2024 · WordPress plugins
- added Vimeo Jun 2024 · Video players
- dropped Isotope Mar 2024 · JavaScript libraries
- added Swiper Mar 2024 · JavaScript libraries
- dropped Google Font API Feb 2024 · Font scripts
2023 29 added · 2 dropped · 2 switched
- dropped CookieYes Dec 2023 · Cookie compliance
- added Google Font API Dec 2023 · Font scripts
- switched React GSAP Dec 2023 · JavaScript frameworks
- added Slider Revolution Dec 2023 · Widgets
- dropped Tidio Dec 2023 · Live chat
- switched Site Kit Complianz Nov 2023 · WordPress plugins
- added Facebook Pixel Aug 2023 · Analytics
- added Google Tag Manager Aug 2023 · Tag managers
- added Priority Hints Aug 2023 · Performance
- added Apache HTTP Server May 2023 · Web servers
- added Bootstrap May 2023 · UI frameworks
- added Contact Form 7 May 2023 · WordPress plugins
- added CookieYes May 2023 · Cookie compliance
- added core-js May 2023 · JavaScript libraries
- added Google Analytics May 2023 · Analytics
- added Isotope May 2023 · JavaScript libraries
- added jQuery May 2023 · JavaScript libraries
- added LazySizes May 2023 · Performance
- added Leaflet May 2023 · Maps
- added Livefyre May 2023 · Comment systems
- added Microsoft 365 May 2023 · Webmail
- added MySQL May 2023 · Databases
- added Open Graph May 2023 · Miscellaneous
- added PHP May 2023 · Programming languages
- added React May 2023 · JavaScript frameworks
- added reCAPTCHA May 2023 · Security
- added RSS May 2023 · Miscellaneous
- added Site Kit May 2023 · WordPress plugins
- added The Events Calendar May 2023 · WordPress plugins
- added Tidio May 2023 · Live chat
- added WordPress May 2023 · CMS
- added WP Fastest Cache May 2023 · WordPress plugins
- added Yoast SEO May 2023 · WordPress plugins
2022 35 added · 10 dropped · 1 switched
- added RSS Dec 2022 · Miscellaneous
- dropped Google Tag Manager Nov 2022 · Tag managers
- dropped MailChimp Sep 2022 · Marketing automation
- dropped MailChimp for WordPress Sep 2022 · WordPress plugins
- added Open Graph Sep 2022 · Miscellaneous
- dropped Smash Balloon Instagram Feed Sep 2022 · WordPress plugins
- added Apache HTTP Server Aug 2022 · Web servers
- added Bootstrap Aug 2022 · UI frameworks
- added Contact Form 7 Aug 2022 · WordPress plugins
- added CookieYes Aug 2022 · Cookie compliance
- added core-js Aug 2022 · JavaScript libraries
- switched Matomo Analytics Google Analytics Aug 2022 · Analytics
- dropped Google Font API Aug 2022 · Font scripts
- added Google Tag Manager Aug 2022 · Tag managers
- dropped GSAP Aug 2022 · JavaScript frameworks
- added Isotope Aug 2022 · JavaScript libraries
- added jQuery Aug 2022 · JavaScript libraries
- dropped jQuery Migrate Aug 2022 · JavaScript libraries
- added LazySizes Aug 2022 · Performance
- added Leaflet Aug 2022 · Maps
- added Livefyre Aug 2022 · Comment systems
- added Microsoft 365 Aug 2022 · Webmail
- added MySQL Aug 2022 · Databases
- added PHP Aug 2022 · Programming languages
- added React Aug 2022 · JavaScript frameworks
- added reCAPTCHA Aug 2022 · Security
- added Site Kit Aug 2022 · WordPress plugins
- added The Events Calendar Aug 2022 · WordPress plugins
- added Tidio Aug 2022 · Live chat
- dropped Vimeo Aug 2022 · Video players
- added WordPress Aug 2022 · CMS
- added WP Fastest Cache Aug 2022 · WordPress plugins
- dropped WP-Optimize Aug 2022 · WordPress plugins
- added Yoast SEO Aug 2022 · WordPress plugins
- added Contact Form 7 Jul 2022 · WordPress plugins
- added CookieYes Jul 2022 · Cookie compliance
- dropped Google Remarketing Tag Jul 2022 · Retargeting
- added LazySizes Jul 2022 · JavaScript libraries
- added Leaflet Jul 2022 · Maps
- added Livefyre Jul 2022 · Comment systems
- added MailChimp Jul 2022 · Marketing automation
- added MailChimp for WordPress Jul 2022 · WordPress plugins
- added Site Kit Jul 2022 · WordPress plugins
- added Smash Balloon Instagram Feed Jul 2022 · WordPress plugins
- added The Events Calendar Jun 2022 · WordPress plugins
- added Yoast SEO May 2022 · SEO
2021 4 dropped
- dropped Wheelio Nov 2021 · Widgets
- dropped Chart.js Oct 2021 · JavaScript graphics
- dropped jQuery UI Oct 2021 · JavaScript libraries
- dropped Leaflet Oct 2021 · Maps
2020 5 dropped
- dropped Lightbox Oct 2020 · JavaScript Libraries
- dropped Matomo Oct 2020 · Analytics
- dropped Modernizr Oct 2020 · JavaScript Libraries
- dropped Slider Revolution Oct 2020 · Miscellaneous
- dropped Twitter Emoji (Twemoji) Oct 2020 · Miscellaneous