Technology history for challengersrt.org
Stack size over time
From 8 detected technologies in May 2021 to 16 in Jun 2026 (peak 22).
Currently detected
- Google AdSense since May 2021
- jQuery since May 2021
- Cart Functionality since Nov 2021
- Cloudflare since Nov 2021
- Mustache since Nov 2021
- MySQL since Nov 2021
- PHP since Nov 2021
- XenForo since Nov 2021
- reCAPTCHA since Apr 2022
- Open Graph since Sep 2022
- RSS since Dec 2022
- Mailgun since May 2024
- Funding Choices since Jul 2024
- Cloudflare Browser Insights since Jul 2025
- HTTP/3 since Jul 2025
- Google Font API since Nov 2025
Previously used
- Google Tag Manager Nov 2021 to Feb 2026 · 4 yrs
- Nginx May 2022 to Dec 2025 · 3 yrs
- Font Awesome May 2021 to May 2025 · 4 yrs
- Google Analytics May 2021 to May 2025 · 4 yrs
- Google Hosted Libraries May 2022 to May 2025 · 3 yrs
- Skimlinks Nov 2021 to Dec 2023 · 2 yrs
- Sovrn Sep 2022 to Dec 2023 · 1 yr
- Sovrn//Commerce Nov 2021 to Dec 2023 · 2 yrs
- Taboola Jan 2023 to Dec 2023 · 11 mo
- Microsoft ASP.NET Sep 2023 to Sep 2023 · 1 mo
- Snowplow Analytics Jul 2023 to Jul 2023 · 1 mo
- comScore Jan 2023 to Jun 2023 · 5 mo
- C Feb 2023 to Feb 2023 · 1 mo
- Google Remarketing Tag Nov 2021 to May 2022 · 6 mo
- Apache HTTP Server May 2021 to Apr 2022 · 11 mo
- Cloudflare Bot Management Nov 2021 to Apr 2022 · 5 mo
- OpenSSL May 2021 to Apr 2022 · 11 mo
- Tailwind CSS Apr 2022 to Apr 2022 · 1 mo
- Bootstrap May 2021 to Jan 2022 · 8 mo
- VigLink May 2021 to May 2021 · 1 mo
Timeline
2026 2 dropped
- dropped Google Tag Manager Apr 2026 · Tag managers
- dropped Nginx Feb 2026 · Web servers
2025 4 added · 3 dropped · 2 switched
- added Nginx Dec 2025 · Web servers
- added Google Font API Nov 2025 · Font scripts
- dropped Nginx Aug 2025 · Web servers
- switched Google Analytics Cloudflare Browser Insights Jul 2025 · Analytics
- dropped Font Awesome Jul 2025 · Font scripts
- added HTTP/3 Jul 2025 · Miscellaneous
- switched Google Hosted Libraries Cloudflare Jun 2025 · CDN
- added Google Tag Manager Jun 2025 · Tag managers
- dropped Google Tag Manager Apr 2025 · Tag managers
2024 2 added · 4 dropped
- added Funding Choices Jul 2024 · Cookie compliance
- added Mailgun May 2024 · Email
- dropped Skimlinks Feb 2024 · Affiliate programs
- dropped Sovrn Feb 2024 · Advertising
- dropped Sovrn//Commerce Feb 2024 · Affiliate programs
- dropped Taboola Feb 2024 · Advertising
2023 24 added · 3 dropped · 1 switched
- dropped Microsoft ASP.NET Nov 2023 · Web frameworks
- added Google Tag Manager Oct 2023 · Tag managers
- added Microsoft ASP.NET Sep 2023 · Web frameworks
- dropped Snowplow Analytics Sep 2023 · Analytics
- dropped comScore Aug 2023 · Analytics
- added Snowplow Analytics Jul 2023 · Analytics
- added Cart Functionality May 2023 · Ecommerce
- added comScore May 2023 · Analytics
- added Font Awesome May 2023 · Font scripts
- added Google AdSense May 2023 · Advertising
- added Google Analytics May 2023 · Analytics
- added Google Hosted Libraries May 2023 · CDN
- added jQuery May 2023 · JavaScript libraries
- added Mustache May 2023 · JavaScript frameworks
- added MySQL May 2023 · Databases
- added Nginx May 2023 · Web servers
- added Open Graph May 2023 · Miscellaneous
- switched C PHP May 2023 · Programming languages
- added reCAPTCHA May 2023 · Security
- added RSS May 2023 · Miscellaneous
- added Skimlinks May 2023 · Affiliate programs
- added Sovrn May 2023 · Advertising
- added Sovrn//Commerce May 2023 · Affiliate programs
- added Taboola May 2023 · Advertising
- added XenForo May 2023 · Message boards
- added C Feb 2023 · Programming languages
- added comScore Jan 2023 · Analytics
- added Taboola Jan 2023 · Advertising
2022 21 added · 8 dropped · 1 switched
- dropped Google Tag Manager Dec 2022 · Tag managers
- added RSS Dec 2022 · Miscellaneous
- added Open Graph Sep 2022 · Miscellaneous
- added Sovrn Sep 2022 · Advertising
- added Cart Functionality Aug 2022 · Ecommerce
- added Font Awesome Aug 2022 · Font scripts
- added Google AdSense Aug 2022 · Advertising
- added Google Analytics Aug 2022 · Analytics
- added Google Hosted Libraries Aug 2022 · CDN
- added Google Tag Manager Aug 2022 · Tag managers
- added jQuery Aug 2022 · JavaScript libraries
- added Mustache Aug 2022 · JavaScript frameworks
- added MySQL Aug 2022 · Databases
- added Nginx Aug 2022 · Web servers
- added PHP Aug 2022 · Programming languages
- added reCAPTCHA Aug 2022 · Security
- added Skimlinks Aug 2022 · Affiliate programs
- added Sovrn//Commerce Aug 2022 · Affiliate programs
- added XenForo Aug 2022 · Message boards
- dropped Google Remarketing Tag Jul 2022 · Retargeting
- dropped Apache HTTP Server Jun 2022 · Web servers
- dropped Cloudflare Jun 2022 · CDN
- dropped Cloudflare Bot Management Jun 2022 · Security
- dropped OpenSSL Jun 2022 · Web server extensions
- dropped Tailwind CSS Jun 2022 · UI frameworks
- added Google Hosted Libraries May 2022 · CDN
- added Nginx May 2022 · Web servers
- added reCAPTCHA Apr 2022 · Security
- switched Bootstrap Tailwind CSS Apr 2022 · UI frameworks
- dropped VigLink Jan 2022 · Advertising