Technology history for tefl-tesol-certificate.com
Stack size over time
From 14 detected technologies in Feb 2020 to 23 in Jun 2026 (peak 27).
Currently detected
- Yandex.Metrika since Feb 2020
- Font Awesome since Feb 2020
- Animate.css since Feb 2020
- Bootstrap since Feb 2020
- Google Analytics since Feb 2020
- Google Tag Manager since Feb 2020
- Joomla since Feb 2020
- jQuery since Feb 2020
- PHP since Feb 2020
- YouTube since May 2020
- TikTok Pixel since Jun 2021
- Facebook Pixel since Jun 2021
- Helix Ultimate since Jun 2021
- core-js since Sep 2021
- reCAPTCHA since Oct 2021
- VK Pixel since Oct 2021
- WhatsApp Business Chat since Feb 2022
- Open Graph since Sep 2022
- Google Workspace since Nov 2023
- Alpine.js since Dec 2023
- Choices since Jul 2024
- PayPal since Aug 2024
- DDoS-Guard since May 2026
Previously used
- HSTS May 2023 to Apr 2026 · 2 yrs
- Nginx Feb 2020 to Apr 2026 · 6 yrs
- Amazon S3 Mar 2026 to Mar 2026 · 1 mo
- Amazon Web Services Mar 2026 to Mar 2026 · 1 mo
- Priority Hints Dec 2023 to Aug 2025 · 1 yr
- Cloudflare Apr 2021 to Jun 2025 · 4 yrs
- LazySizes Feb 2022 to Jan 2025 · 2 yrs
- Google Font API Feb 2020 to Mar 2024 · 4 yrs
- HTTP/3 May 2023 to Oct 2023 · 5 mo
- jQuery Migrate Feb 2020 to May 2023 · 3 yrs
- C Feb 2023 to Feb 2023 · 1 mo
- Cloudflare Network Error Logging Feb 2022 to Sep 2022 · 7 mo
- Cart Functionality Feb 2022 to Aug 2022 · 6 mo
- Google Remarketing Tag Dec 2021 to May 2022 · 5 mo
- Facebook Feb 2020 to Apr 2022 · 2 yrs
- Tailwind CSS Apr 2022 to Apr 2022 · 1 mo
- Wheelio Sep 2021 to Sep 2021 · 1 mo
- Google PageSpeed Feb 2020 to Aug 2020 · 6 mo
Timeline
2026 2 added · 3 dropped · 1 switched
- dropped Nginx Jun 2026 · Web servers
- dropped Amazon S3 May 2026 · CDN
- dropped Amazon Web Services May 2026 · PaaS
- switched HSTS DDoS-Guard May 2026 · Security
- added Amazon S3 Mar 2026 · CDN
- added Amazon Web Services Mar 2026 · PaaS
2025 3 added · 3 dropped
- added reCAPTCHA Dec 2025 · Security
- dropped Priority Hints Oct 2025 · Performance
- added Animate.css Sep 2025 · UI frameworks
- dropped Cloudflare Aug 2025 · CDN
- dropped LazySizes Mar 2025 · JavaScript libraries
- added Font Awesome Feb 2025 · Font scripts
2024 11 added · 3 dropped
- added PayPal Aug 2024 · Payment processors
- added Choices Jul 2024 · JavaScript libraries
- added core-js Jul 2024 · JavaScript libraries
- added Facebook Pixel Jul 2024 · Analytics
- dropped Font Awesome Jul 2024 · Font scripts
- added Google Analytics Jul 2024 · Analytics
- added Google Tag Manager Jul 2024 · Tag managers
- added jQuery Jul 2024 · JavaScript libraries
- added TikTok Pixel Jul 2024 · Analytics
- added VK Pixel Jul 2024 · Analytics
- added Yandex.Metrika Jul 2024 · Analytics
- dropped reCAPTCHA Jun 2024 · Security
- dropped Google Font API May 2024 · Font scripts
- added reCAPTCHA Apr 2024 · Security
2023 10 added · 13 dropped
- added Alpine.js Dec 2023 · JavaScript frameworks
- added Font Awesome Dec 2023 · Font scripts
- dropped HTTP/3 Dec 2023 · Miscellaneous
- added Priority Hints Dec 2023 · Performance
- added Google Workspace Nov 2023 · Webmail
- added Nginx Nov 2023 · Web servers
- dropped core-js Jul 2023 · JavaScript libraries
- dropped Facebook Pixel Jul 2023 · Analytics
- dropped Google Analytics Jul 2023 · Analytics
- dropped Google Tag Manager Jul 2023 · Tag managers
- dropped jQuery Jul 2023 · JavaScript libraries
- dropped jQuery Migrate Jul 2023 · JavaScript libraries
- dropped reCAPTCHA Jul 2023 · Security
- dropped TikTok Pixel Jul 2023 · Analytics
- dropped VK Pixel Jul 2023 · Analytics
- dropped Yandex.Metrika Jul 2023 · Analytics
- added Bootstrap Jun 2023 · UI frameworks
- dropped Nginx Jun 2023 · Web servers
- added Cloudflare May 2023 · CDN
- added HSTS May 2023 · Security
- added HTTP/3 May 2023 · Miscellaneous
- dropped C Apr 2023 · Programming languages
- added C Feb 2023 · Programming languages
2022 38 added · 17 dropped
- added core-js Dec 2022 · JavaScript libraries
- added Facebook Pixel Dec 2022 · Analytics
- added Google Analytics Dec 2022 · Analytics
- added Google Tag Manager Dec 2022 · Tag managers
- added jQuery Dec 2022 · JavaScript libraries
- added jQuery Migrate Dec 2022 · JavaScript libraries
- added reCAPTCHA Dec 2022 · Security
- added TikTok Pixel Dec 2022 · Analytics
- added VK Pixel Dec 2022 · Analytics
- added Yandex.Metrika Dec 2022 · Analytics
- dropped Cloudflare Nov 2022 · CDN
- dropped Cloudflare Network Error Logging Nov 2022 · Issue trackers
- dropped Cart Functionality Oct 2022 · Ecommerce
- dropped core-js Oct 2022 · JavaScript libraries
- dropped Facebook Pixel Oct 2022 · Analytics
- dropped Google Analytics Oct 2022 · Analytics
- dropped Google Tag Manager Oct 2022 · Tag managers
- dropped jQuery Oct 2022 · JavaScript libraries
- dropped jQuery Migrate Oct 2022 · JavaScript libraries
- added Nginx Oct 2022 · Web servers
- dropped reCAPTCHA Oct 2022 · Security
- dropped TikTok Pixel Oct 2022 · Analytics
- dropped VK Pixel Oct 2022 · Analytics
- dropped Yandex.Metrika Oct 2022 · Analytics
- added Google Font API Sep 2022 · Font scripts
- added Open Graph Sep 2022 · Miscellaneous
- added Cart Functionality Aug 2022 · Ecommerce
- added Cloudflare Aug 2022 · CDN
- added Cloudflare Network Error Logging Aug 2022 · Issue trackers
- added core-js Aug 2022 · JavaScript libraries
- added Facebook Pixel Aug 2022 · Analytics
- added Google Analytics Aug 2022 · Analytics
- dropped Google Font API Aug 2022 · Font scripts
- added Google Tag Manager Aug 2022 · Tag managers
- added Helix Ultimate Aug 2022 · Web frameworks
- added Joomla Aug 2022 · CMS
- added jQuery Aug 2022 · JavaScript libraries
- added jQuery Migrate Aug 2022 · JavaScript libraries
- added LazySizes Aug 2022 · JavaScript libraries
- added PHP Aug 2022 · Programming languages
- added reCAPTCHA Aug 2022 · Security
- added TikTok Pixel Aug 2022 · Analytics
- added VK Pixel Aug 2022 · Analytics
- added WhatsApp Business Chat Aug 2022 · Live chat
- added Yandex.Metrika Aug 2022 · Analytics
- added YouTube Aug 2022 · Video players
- dropped Google Remarketing Tag Jul 2022 · Retargeting
- dropped Facebook Jun 2022 · Widgets
- dropped Tailwind CSS Jun 2022 · UI frameworks
- added Google Font API May 2022 · Font scripts
- added Tailwind CSS Apr 2022 · UI frameworks
- added Cart Functionality Feb 2022 · Ecommerce
- added Cloudflare Network Error Logging Feb 2022 · Issue trackers
- added LazySizes Feb 2022 · JavaScript libraries
- added WhatsApp Business Chat Feb 2022 · Live chat
2021 15 added · 8 dropped
- added Google Remarketing Tag Dec 2021 · Retargeting
- dropped Bootstrap Nov 2021 · UI frameworks
- dropped Wheelio Nov 2021 · Widgets
- added reCAPTCHA Oct 2021 · Security
- added VK Pixel Oct 2021 · Analytics
- added core-js Sep 2021 · JavaScript libraries
- added Wheelio Sep 2021 · Widgets
- added Bootstrap Jun 2021 · UI frameworks
- added Facebook Pixel Jun 2021 · Analytics
- added Helix Ultimate Jun 2021 · Web frameworks
- added jQuery Jun 2021 · JavaScript libraries
- added jQuery Migrate Jun 2021 · JavaScript libraries
- added TikTok Pixel Jun 2021 · Analytics
- dropped Nginx May 2021 · Web servers
- added Cloudflare Apr 2021 · CDN
- added Joomla Apr 2021 · CMS
- added PHP Apr 2021 · Programming languages
- dropped Bootstrap Mar 2021 · UI frameworks
- dropped Joomla Mar 2021 · CMS
- dropped jQuery Mar 2021 · JavaScript libraries
- dropped jQuery Migrate Mar 2021 · JavaScript libraries
- dropped PHP Mar 2021 · Programming languages
- added Yandex.Metrika Feb 2021 · Analytics
2020 5 dropped
- dropped Yandex.Metrika Dec 2020 · Analytics
- dropped Google PageSpeed Oct 2020 · Caching
- dropped Animate.css Jun 2020 · UI Frameworks
- dropped Font Awesome Jun 2020 · Font Scripts
- dropped Google Font API Jun 2020 · Font Scripts