Technology history for classracer.com
Stack size over time
From 7 detected technologies in Aug 2018 to 10 in May 2026 (peak 26).
Currently detected
- vBulletin since Aug 2018
- PHP since Aug 2018
- Plesk since Aug 2018
- Apache HTTP Server since Aug 2018
- Google Analytics since Aug 2018
- YUI since Aug 2018
- Cloudflare since Oct 2021
- Google Hosted Libraries since Feb 2022
- HSTS since May 2024
- Cloudflare Browser Insights since Nov 2025
Previously used
- Google AdSense Jun 2019 to Aug 2024 · 5 yrs
- Google Tag Manager Oct 2020 to Aug 2024 · 3 yrs
- reCAPTCHA Apr 2022 to Aug 2024 · 2 yrs
- Ad Lightning Aug 2021 to Feb 2023 · 1 yr
- Adobe Audience Manager Apr 2022 to Feb 2023 · 10 mo
- Amazon Advertising Aug 2021 to Feb 2023 · 1 yr
- core-js Sep 2021 to Feb 2023 · 1 yr
- DoubleClick for Publishers (DFP) Apr 2021 to Feb 2023 · 1 yr
- Font Awesome Aug 2021 to Feb 2023 · 1 yr
- Google Publisher Tag Apr 2021 to Feb 2023 · 1 yr
- Prebid Apr 2021 to Feb 2023 · 1 yr
- Snowplow Analytics Dec 2022 to Dec 2022 · 1 mo
- 33Across Dec 2021 to Sep 2022 · 9 mo
- AppNexus Aug 2018 to Sep 2022 · 4 yrs
- OpenX Aug 2021 to Sep 2022 · 1 yr
- PubMatic Aug 2021 to Sep 2022 · 1 yr
- Rubicon Project Aug 2021 to Sep 2022 · 1 yr
- TripleLift Sep 2021 to Sep 2022 · 1 yr
- Google Remarketing Tag Aug 2021 to May 2022 · 9 mo
- Cloudflare Bot Management Oct 2021 to Oct 2021 · 1 mo
- Wheelio Sep 2021 to Sep 2021 · 1 mo
- Quantcast Choice Aug 2021 to Aug 2021 · 1 mo
Timeline
2026 1 added · 1 dropped
- added Cloudflare Browser Insights May 2026 · Analytics
- dropped Cloudflare Browser Insights Apr 2026 · Analytics
2025 2 added
- added Cloudflare Browser Insights Nov 2025 · Analytics
- added Cloudflare Oct 2025 · CDN
2024 4 added · 3 dropped
- dropped Google AdSense Oct 2024 · Advertising
- dropped Google Tag Manager Oct 2024 · Tag managers
- dropped reCAPTCHA Oct 2024 · Security
- added Google AdSense Aug 2024 · Advertising
- added Google Tag Manager Aug 2024 · Tag managers
- added reCAPTCHA Aug 2024 · Security
- added HSTS May 2024 · Security
2023 6 added · 9 dropped · 2 switched
- dropped Google AdSense Aug 2023 · Advertising
- added Google AdSense Jun 2023 · Advertising
- added Apache HTTP Server May 2023 · Web servers
- switched Snowplow Analytics Google Analytics May 2023 · Analytics
- added Google Hosted Libraries May 2023 · CDN
- added PHP May 2023 · Programming languages
- added Plesk May 2023 · Hosting panels
- added vBulletin May 2023 · Message boards
- switched core-js YUI May 2023 · JavaScript libraries
- dropped Ad Lightning Apr 2023 · Advertising
- dropped Adobe Audience Manager Apr 2023 · Segmentation
- dropped Amazon Advertising Apr 2023 · Advertising
- dropped DoubleClick for Publishers (DFP) Apr 2023 · Advertising
- dropped Font Awesome Apr 2023 · Font scripts
- dropped Google Publisher Tag Apr 2023 · Advertising
- dropped Google Tag Manager Apr 2023 · Tag managers
- dropped Prebid Apr 2023 · Advertising
2022 27 added · 17 dropped
- added Snowplow Analytics Dec 2022 · Analytics
- dropped 33Across Nov 2022 · Advertising
- dropped AppNexus Nov 2022 · Advertising
- dropped Google AdSense Nov 2022 · Advertising
- dropped OpenX Nov 2022 · Advertising
- dropped PubMatic Nov 2022 · Advertising
- dropped reCAPTCHA Nov 2022 · Security
- dropped Rubicon Project Nov 2022 · Advertising
- dropped TripleLift Nov 2022 · Advertising
- added 33Across Sep 2022 · Advertising
- added AppNexus Sep 2022 · Advertising
- added Google AdSense Sep 2022 · Advertising
- added OpenX Sep 2022 · Advertising
- added PubMatic Sep 2022 · Advertising
- added reCAPTCHA Sep 2022 · Security
- added Rubicon Project Sep 2022 · Advertising
- added TripleLift Sep 2022 · Advertising
- dropped 33Across Aug 2022 · Advertising
- added Ad Lightning Aug 2022 · Advertising
- added Adobe Audience Manager Aug 2022 · Segmentation
- added Amazon Advertising Aug 2022 · Advertising
- added Apache HTTP Server Aug 2022 · Web servers
- dropped AppNexus Aug 2022 · Advertising
- added core-js Aug 2022 · JavaScript libraries
- added DoubleClick for Publishers (DFP) Aug 2022 · Advertising
- added Font Awesome Aug 2022 · Font scripts
- dropped Google AdSense Aug 2022 · Advertising
- added Google Analytics Aug 2022 · Analytics
- added Google Hosted Libraries Aug 2022 · CDN
- added Google Publisher Tag Aug 2022 · Advertising
- added Google Tag Manager Aug 2022 · Tag managers
- dropped OpenX Aug 2022 · Advertising
- added PHP Aug 2022 · Programming languages
- added Plesk Aug 2022 · Hosting panels
- added Prebid Aug 2022 · Advertising
- dropped PubMatic Aug 2022 · Advertising
- dropped reCAPTCHA Aug 2022 · Security
- dropped Rubicon Project Aug 2022 · Advertising
- dropped TripleLift Aug 2022 · Advertising
- added vBulletin Aug 2022 · Message boards
- added YUI Aug 2022 · JavaScript libraries
- dropped Google Remarketing Tag Jul 2022 · Retargeting
- added Adobe Audience Manager Apr 2022 · Segmentation
- added reCAPTCHA Apr 2022 · Security
2021 6 added · 8 dropped
- added 33Across Dec 2021 · Advertising
- dropped Cloudflare Dec 2021 · CDN
- dropped Cloudflare Bot Management Dec 2021 · Security
- dropped Wheelio Dec 2021 · Widgets
- dropped Quantcast Choice Nov 2021 · Cookie compliance
- dropped Google Tag Manager May 2021 · Tag managers
- added AppNexus Apr 2021 · Advertising
- added DoubleClick for Publishers (DFP) Apr 2021 · Advertising
- added Google AdSense Apr 2021 · Advertising
- added Google Publisher Tag Apr 2021 · Advertising
- added Prebid Apr 2021 · Advertising
- dropped AppNexus Mar 2021 · Advertising
- dropped Google AdSense Mar 2021 · Advertising
- dropped vBulletin Mar 2021 · Message boards
2020 1 added
- added Google Tag Manager Oct 2020 · Tag managers
2019 1 added
- added Google AdSense Jun 2019 · Advertising Networks