Technology history for tellows.org

2026 4 dropped

• dropped Criteo Mar 2026 · Advertising
• dropped jsDelivr Mar 2026 · CDN
• dropped OpenX Mar 2026 · Advertising
• dropped Microsoft ASP.NET Feb 2026 · Web frameworks

2025 8 added · 4 dropped

• added Microsoft ASP.NET Dec 2025 · Web frameworks
• added Cloudflare Browser Insights Nov 2025 · Analytics
• added Quantcast Measure Nov 2025 · Analytics
• dropped AppNexus Aug 2025 · Advertising
• dropped Microsoft ASP.NET Aug 2025 · Web frameworks
• dropped PubMatic Aug 2025 · Advertising
• dropped Rubicon Project Aug 2025 · Advertising
• added AppNexus Jun 2025 · Advertising
• added Microsoft ASP.NET Jun 2025 · Web frameworks
• added PubMatic Jun 2025 · Advertising
• added Rubicon Project Jun 2025 · Advertising
• added jsDelivr Apr 2025 · CDN

2024 4 added · 7 dropped

• dropped jsDelivr Dec 2024 · CDN
• dropped Google Analytics Sep 2024 · Analytics
• dropped AppNexus Feb 2024 · Advertising
• dropped Microsoft ASP.NET Feb 2024 · Web frameworks
• dropped PubMatic Feb 2024 · Advertising
• dropped Rubicon Project Feb 2024 · Advertising
• added 33Across Jan 2024 · Advertising
• dropped Adobe Audience Manager Jan 2024 · Segmentation
• added Amazon Advertising Jan 2024 · Advertising
• added core-js Jan 2024 · JavaScript libraries
• added Funding Choices Jan 2024 · Cookie compliance

2023 28 added · 9 dropped · 1 switched

• dropped 33Across Nov 2023 · Advertising
• dropped core-js Oct 2023 · JavaScript libraries
• added ID5 Oct 2023 · Advertising
• added Microsoft ASP.NET Sep 2023 · Web frameworks
• added 33Across Jul 2023 · Advertising
• added Confiant Jun 2023 · Security
• switched Choices → core-js Jun 2023 · JavaScript libraries
• added Google Publisher Tag Jun 2023 · Advertising
• added jsDelivr Jun 2023 · CDN
• added Snowplow Analytics Jun 2023 · Analytics
• added Adobe Audience Manager May 2023 · Segmentation
• added AppNexus May 2023 · Advertising
• added Bootstrap May 2023 · UI frameworks
• added Cloudflare May 2023 · CDN
• added Cloudflare Bot Management May 2023 · Security
• added Criteo May 2023 · Advertising
• added Google AdSense May 2023 · Advertising
• added Google Analytics May 2023 · Analytics
• dropped Google Publisher Tag May 2023 · Advertising
• added Google Tag Manager May 2023 · Tag managers
• added HTTP/3 May 2023 · Miscellaneous
• added OpenX May 2023 · Advertising
• added Prebid May 2023 · Advertising
• added PubMatic May 2023 · Advertising
• added reCAPTCHA May 2023 · Security
• added Rubicon Project May 2023 · Advertising
• added snigel AdEngine May 2023 · Advertising
• dropped Amazon ALB Apr 2023 · Load balancers
• dropped Amazon Web Services Apr 2023 · PaaS
• added Cloudflare Bot Management Apr 2023 · Security
• dropped core-js Mar 2023 · JavaScript libraries
• dropped jsDelivr Mar 2023 · CDN
• dropped Snowplow Analytics Mar 2023 · Analytics
• added Adobe Audience Manager Feb 2023 · Segmentation
• added Amazon ALB Feb 2023 · Load balancers
• added Amazon Web Services Feb 2023 · PaaS
• dropped Adobe Audience Manager Jan 2023 · Segmentation
• added jsDelivr Jan 2023 · CDN

2022 25 added · 7 dropped

• dropped Cloudflare Network Error Logging Dec 2022 · Issue trackers
• added Adobe Audience Manager Sep 2022 · Segmentation
• added HTTP/3 Sep 2022 · Miscellaneous
• dropped Adobe Audience Manager Aug 2022 · Segmentation
• added AppNexus Aug 2022 · Advertising
• added Bootstrap Aug 2022 · UI frameworks
• added Choices Aug 2022 · JavaScript libraries
• added Cloudflare Aug 2022 · CDN
• added Cloudflare Network Error Logging Aug 2022 · Issue trackers
• added core-js Aug 2022 · JavaScript libraries
• added Criteo Aug 2022 · Advertising
• added Google AdSense Aug 2022 · Advertising
• added Google Analytics Aug 2022 · Analytics
• added Google Publisher Tag Aug 2022 · Advertising
• added Google Tag Manager Aug 2022 · Tag managers
• added OpenX Aug 2022 · Advertising
• added Prebid Aug 2022 · Advertising
• added PubMatic Aug 2022 · Advertising
• added reCAPTCHA Aug 2022 · Security
• added Rubicon Project Aug 2022 · Advertising
• added snigel AdEngine Aug 2022 · Advertising
• added Snowplow Analytics Aug 2022 · Analytics
• added Snowplow Analytics Jun 2022 · Analytics
• dropped Cloudflare Bot Management May 2022 · Security
• added Adobe Audience Manager Apr 2022 · Segmentation
• added reCAPTCHA Apr 2022 · Security
• added Cloudflare Bot Management Mar 2022 · Security
• dropped jQuery Mar 2022 · JavaScript libraries
• dropped jQuery UI Mar 2022 · JavaScript libraries
• added Cloudflare Network Error Logging Feb 2022 · Issue trackers
• dropped DoubleClick for Publishers (DFP) Jan 2022 · Advertising Networks
• dropped React Jan 2022 · JavaScript Frameworks

2021 10 added · 2 dropped

• dropped Wheelio Dec 2021 · Widgets
• added OpenX Oct 2021 · Advertising
• added PubMatic Oct 2021 · Advertising
• added Rubicon Project Oct 2021 · Advertising
• added Bootstrap Sep 2021 · UI frameworks
• added Choices Sep 2021 · Miscellaneous
• added core-js Sep 2021 · JavaScript libraries
• dropped Google Font API Sep 2021 · Font scripts
• added Google Publisher Tag Sep 2021 · Advertising
• added snigel AdEngine Sep 2021 · Advertising
• added Wheelio Sep 2021 · Widgets
• added Google Font API Jan 2021 · Font scripts

2019 12 added · 1 dropped

• added Criteo May 2019 · Advertising Networks
• dropped Facebook May 2019 · Widgets
• added AppNexus Mar 2019 · Advertising Networks
• added Cloudflare Mar 2019 · CDN
• added DoubleClick for Publishers (DFP) Mar 2019 · Advertising Networks
• added Facebook Mar 2019 · Widgets
• added Google AdSense Mar 2019 · Advertising Networks
• added Google Analytics Mar 2019 · Analytics
• added Google Tag Manager Mar 2019 · Tag Managers
• added jQuery Mar 2019 · JavaScript Libraries
• added jQuery UI Mar 2019 · JavaScript Libraries
• added Prebid Mar 2019 · Advertising Networks
• added React Mar 2019 · JavaScript Frameworks

2018 1 added

• added jQuery UI Sep 2018 · JavaScript Libraries