Technology history for ielts.org
Stack size over time
From 6 detected technologies in Apr 2018 to 27 in Jun 2026 (peak 40).
Currently detected
- jQuery since Apr 2018
- Google Analytics since Jun 2018
- core-js since Sep 2021
- Amazon Web Services since Sep 2021
- OneTrust since Apr 2022
- Cloudflare since May 2022
- Google Hosted Libraries since Aug 2022
- Google Workspace since Aug 2022
- PWA since Aug 2022
- React since Aug 2022
- Nginx since Aug 2022
- Auth0 Lock since Aug 2022
- Babel since Aug 2022
- Cloudflare Bot Management since Aug 2022
- HSTS since Sep 2022
- Auth0 since Sep 2022
- PHP since Oct 2023
- Plyr since Oct 2023
- SEOmatic since Oct 2023
- Craft CMS since Oct 2023
- Open Graph since Oct 2023
- Yii since Oct 2023
- Amazon S3 since Oct 2023
- HubSpot since Dec 2023
- HTTP/3 since Oct 2025
- Priority Hints since Nov 2025
- reCAPTCHA since Dec 2025
Previously used
- Google AdSense Dec 2023 to Jan 2026 · 2 yrs
- Bootstrap Sep 2018 to Oct 2025 · 7 yrs
- Facebook Pixel Jul 2021 to Oct 2025 · 4 yrs
- Google Tag Manager Apr 2018 to Oct 2025 · 7 yrs
- HubSpot Analytics Dec 2023 to Oct 2025 · 1 yr
- Linkedin Insight Tag Jul 2021 to Oct 2025 · 4 yrs
- Qualaroo Feb 2022 to Oct 2025 · 3 yrs
- Quora Pixel Feb 2022 to Oct 2025 · 3 yrs
- TikTok Pixel Dec 2023 to Oct 2025 · 1 yr
- Twitter Ads Dec 2023 to Oct 2025 · 1 yr
- Unbounce Dec 2023 to Oct 2025 · 1 yr
- Amazon ALB Sep 2021 to Sep 2025 · 4 yrs
- Google Font API Jun 2018 to Jun 2025 · 7 yrs
- YouTube Apr 2018 to Nov 2024 · 6 yrs
- Matomo Analytics Dec 2023 to Jan 2024 · 1 mo
- Mautic Jan 2024 to Jan 2024 · 1 mo
- cdnjs May 2022 to Sep 2023 · 1 yr
- Font Awesome Apr 2018 to Sep 2023 · 5 yrs
- Lodash Jul 2021 to Sep 2023 · 2 yrs
- Microsoft ASP.NET Apr 2018 to Sep 2023 · 5 yrs
- Popper Apr 2022 to Sep 2023 · 1 yr
- Sitecore Sep 2021 to Sep 2023 · 2 yrs
- Microsoft 365 Apr 2023 to Apr 2023 · 1 mo
- C Feb 2023 to Feb 2023 · 1 mo
- IIS Jun 2018 to May 2022 · 3 yrs
- Windows Server Jun 2018 to May 2022 · 3 yrs
- Facebook Jun 2018 to Mar 2022 · 3 yrs
- Wheelio Sep 2021 to Sep 2021 · 1 mo
- Underscore.js Feb 2019 to Feb 2019 · 1 mo
- HeadJS Jun 2018 to Aug 2018 · 2 mo
- Modernizr Apr 2018 to Aug 2018 · 4 mo
- Webtrends Jun 2018 to Aug 2018 · 2 mo
Timeline
2026 1 dropped
- dropped Google AdSense Mar 2026 · Advertising
2025 3 added · 13 dropped
- dropped Amazon ALB Dec 2025 · Load balancers
- dropped Bootstrap Dec 2025 · UI frameworks
- dropped Facebook Pixel Dec 2025 · Analytics
- dropped Google Tag Manager Dec 2025 · Tag managers
- dropped HubSpot Analytics Dec 2025 · Analytics
- dropped Linkedin Insight Tag Dec 2025 · Analytics
- dropped Qualaroo Dec 2025 · Surveys
- dropped Quora Pixel Dec 2025 · Analytics
- added reCAPTCHA Dec 2025 · Security
- dropped TikTok Pixel Dec 2025 · Analytics
- dropped Twitter Ads Dec 2025 · Advertising
- dropped Unbounce Dec 2025 · Editors
- dropped YouTube Dec 2025 · Video players
- added Priority Hints Nov 2025 · Performance
- added HTTP/3 Oct 2025 · Miscellaneous
- dropped Google Font API Aug 2025 · Font scripts
2024 12 added · 12 dropped
- added Bootstrap Dec 2024 · UI frameworks
- added Facebook Pixel Dec 2024 · Analytics
- added Google AdSense Dec 2024 · Advertising
- added Google Font API Dec 2024 · Font scripts
- added HubSpot Analytics Dec 2024 · Analytics
- added Linkedin Insight Tag Dec 2024 · Analytics
- added Quora Pixel Dec 2024 · Analytics
- added TikTok Pixel Dec 2024 · Analytics
- added Twitter Ads Dec 2024 · Advertising
- added Unbounce Dec 2024 · Editors
- added HubSpot May 2024 · Marketing automation
- dropped Bootstrap Mar 2024 · UI frameworks
- dropped Facebook Pixel Mar 2024 · Analytics
- dropped Google AdSense Mar 2024 · Advertising
- dropped HubSpot Mar 2024 · Marketing automation
- dropped HubSpot Analytics Mar 2024 · Analytics
- dropped Linkedin Insight Tag Mar 2024 · Analytics
- dropped Matomo Analytics Mar 2024 · Analytics
- dropped Mautic Mar 2024 · Marketing automation
- dropped Quora Pixel Mar 2024 · Analytics
- dropped TikTok Pixel Mar 2024 · Analytics
- dropped Twitter Ads Mar 2024 · Advertising
- dropped Unbounce Mar 2024 · Editors
- added Mautic Jan 2024 · Marketing automation
2023 17 added · 6 dropped · 4 switched
- added Bootstrap Dec 2023 · UI frameworks
- added Facebook Pixel Dec 2023 · Analytics
- added Google AdSense Dec 2023 · Advertising
- added HubSpot Dec 2023 · Marketing automation
- added HubSpot Analytics Dec 2023 · Analytics
- added Linkedin Insight Tag Dec 2023 · Analytics
- added Matomo Analytics Dec 2023 · Analytics
- added Quora Pixel Dec 2023 · Analytics
- added TikTok Pixel Dec 2023 · Analytics
- added Twitter Ads Dec 2023 · Advertising
- added Unbounce Dec 2023 · Editors
- dropped Bootstrap Nov 2023 · UI frameworks
- dropped Font Awesome Nov 2023 · Font scripts
- dropped Google Font API Nov 2023 · Font scripts
- dropped Lodash Nov 2023 · JavaScript libraries
- switched cdnjs Amazon S3 Oct 2023 · CDN
- switched Sitecore Craft CMS Oct 2023 · CMS
- switched Popper Open Graph Oct 2023 · Miscellaneous
- added PHP Oct 2023 · Programming languages
- added Plyr Oct 2023 · Video players
- added Qualaroo Oct 2023 · Surveys
- added SEOmatic Oct 2023 · SEO
- switched Microsoft ASP.NET Yii Oct 2023 · Web frameworks
- dropped Microsoft 365 Jun 2023 · Webmail
- dropped C Apr 2023 · Programming languages
- added Microsoft 365 Apr 2023 · Webmail
- added C Feb 2023 · Programming languages
2022 10 added · 7 dropped
- added Auth0 Sep 2022 · Authentication
- added HSTS Sep 2022 · Security
- added Google Workspace Aug 2022 · Webmail
- added PWA Aug 2022 · Miscellaneous
- dropped IIS Jul 2022 · Web servers
- dropped Windows Server Jul 2022 · Operating systems
- added cdnjs May 2022 · CDN
- added Cloudflare May 2022 · CDN
- dropped Facebook May 2022 · Widgets
- dropped Facebook Pixel May 2022 · Analytics
- dropped Linkedin Insight Tag May 2022 · Analytics
- dropped Qualaroo May 2022 · Surveys
- dropped Quora Pixel May 2022 · Analytics
- added OneTrust Apr 2022 · Cookie compliance
- added Popper Apr 2022 · Miscellaneous
- added Qualaroo Feb 2022 · Surveys
- added Quora Pixel Feb 2022 · Analytics
2021 13 added · 3 dropped
- dropped Wheelio Nov 2021 · Widgets
- added Amazon ALB Sep 2021 · Load balancers
- added Amazon Web Services Sep 2021 · PaaS
- added core-js Sep 2021 · JavaScript libraries
- added IIS Sep 2021 · Web servers
- added Microsoft ASP.NET Sep 2021 · Web frameworks
- added Sitecore Sep 2021 · CMS
- added Wheelio Sep 2021 · Widgets
- added Windows Server Sep 2021 · Operating systems
- added Bootstrap Jul 2021 · UI frameworks
- added Facebook Jul 2021 · Widgets
- added Facebook Pixel Jul 2021 · Analytics
- added Linkedin Insight Tag Jul 2021 · Analytics
- added Lodash Jul 2021 · JavaScript libraries
- dropped Facebook May 2021 · Widgets
- dropped Bootstrap Mar 2021 · UI frameworks
2019 8 added · 1 switched
- added Facebook Jun 2019 · Widgets
- added Bootstrap Mar 2019 · Web Frameworks
- added Font Awesome Mar 2019 · Font Scripts
- added Google Analytics Mar 2019 · Analytics
- added Google Font API Mar 2019 · Font Scripts
- added Google Tag Manager Mar 2019 · Tag Managers
- switched Underscore.js jQuery Mar 2019 · JavaScript Libraries
- added YouTube Mar 2019 · Video Players
- added Underscore.js Feb 2019 · JavaScript Libraries
2018 8 added · 7 dropped
- dropped Facebook Oct 2018 · Widgets
- dropped HeadJS Oct 2018 · JavaScript Libraries
- dropped IIS Oct 2018 · Web Servers
- dropped Microsoft ASP.NET Oct 2018 · Web Frameworks
- dropped Modernizr Oct 2018 · JavaScript Libraries
- dropped Webtrends Oct 2018 · Analytics
- dropped Windows Server Oct 2018 · Operating Systems
- added Bootstrap Sep 2018 · Web Frameworks
- added Facebook Jun 2018 · Widgets
- added Google Analytics Jun 2018 · Analytics
- added Google Font API Jun 2018 · Font Scripts
- added HeadJS Jun 2018 · JavaScript Frameworks
- added IIS Jun 2018 · Web Servers
- added Webtrends Jun 2018 · Analytics
- added Windows Server Jun 2018 · Operating Systems