Technology history for refdesk.com
Stack size over time
From 1 detected technologies in May 2018 to 26 in Jun 2026 (peak 32).
Currently detected
- DoubleClick for Publishers (DFP) since May 2018
- Google AdSense since Jun 2018
- Google Font API since Jun 2018
- Google Tag Manager since Jun 2018
- Google Analytics since Jun 2018
- jQuery since Aug 2018
- Nginx since Aug 2018
- PHP since Aug 2018
- Cloudflare since Jan 2019
- Rubicon Project since Oct 2019
- AppNexus since Oct 2019
- Criteo since Oct 2019
- Prebid since Oct 2019
- Google Publisher Tag since Feb 2021
- OpenX since Jul 2021
- Amazon Associates since Jul 2021
- Cloudflare Bot Management since Feb 2022
- reCAPTCHA since Apr 2022
- Adobe Audience Manager since Apr 2022
- Mailgun since Aug 2022
- Funding Choices since Dec 2022
- Snowplow Analytics since Jun 2023
- jsDelivr since Jun 2023
- ID5 since Oct 2023
- Google Hosted Libraries since Jul 2025
- HSTS since Jul 2025
Previously used
- Microsoft ASP.NET Sep 2023 to Feb 2026 · 2 yrs
- Amazon Advertising Jun 2021 to Nov 2025 · 4 yrs
- 33Across Jul 2021 to Oct 2025 · 4 yrs
- PubMatic Jul 2021 to Jun 2025 · 3 yrs
- core-js Sep 2021 to Feb 2025 · 3 yrs
- Infolinks Feb 2022 to Feb 2025 · 3 yrs
- LiveIntent May 2024 to Feb 2025 · 9 mo
- Google Optimize Jul 2021 to Mar 2024 · 2 yrs
- VideoJS Apr 2022 to Dec 2023 · 1 yr
- Amazon ALB Jan 2023 to Jul 2023 · 6 mo
- Amazon Web Services Jan 2023 to Jul 2023 · 6 mo
- C Feb 2023 to Feb 2023 · 1 mo
- Sovrn Feb 2022 to Mar 2022 · 1 mo
- Moat Jan 2022 to Jan 2022 · 1 mo
- Wheelio Sep 2021 to Oct 2021 · 1 mo
- Google Plus Jun 2018 to May 2019 · 11 mo
Timeline
2026 5 added · 3 dropped
- added Cloudflare Bot Management May 2026 · Security
- dropped Cloudflare Bot Management Apr 2026 · Security
- dropped Microsoft ASP.NET Apr 2026 · Web frameworks
- added Criteo Mar 2026 · Advertising
- added jsDelivr Mar 2026 · CDN
- added reCAPTCHA Mar 2026 · Security
- added Cloudflare Bot Management Feb 2026 · Security
- dropped Amazon Advertising Jan 2026 · Advertising
2025 6 added · 13 dropped
- dropped 33Across Dec 2025 · Advertising
- dropped Criteo Dec 2025 · Advertising
- dropped jsDelivr Dec 2025 · CDN
- dropped reCAPTCHA Dec 2025 · Security
- added Google Font API Nov 2025 · Font scripts
- dropped PubMatic Aug 2025 · Advertising
- added 33Across Jul 2025 · Advertising
- added Criteo Jul 2025 · Advertising
- dropped Google Font API Jul 2025 · Font scripts
- added ID5 Jul 2025 · Advertising
- added jsDelivr Jul 2025 · CDN
- dropped 33Across Apr 2025 · Advertising
- dropped Cloudflare Bot Management Apr 2025 · Security
- dropped core-js Apr 2025 · JavaScript libraries
- dropped Criteo Apr 2025 · Advertising
- dropped ID5 Apr 2025 · Advertising
- dropped Infolinks Apr 2025 · Advertising
- dropped LiveIntent Apr 2025 · Advertising
- added Google Font API Mar 2025 · Font scripts
2024 4 added · 4 dropped
- dropped jsDelivr Jul 2024 · CDN
- added core-js May 2024 · JavaScript libraries
- dropped Google Optimize May 2024 · A/B Testing
- added Infolinks May 2024 · Advertising
- added LiveIntent May 2024 · Advertising
- dropped Infolinks Apr 2024 · Advertising
- added Microsoft ASP.NET Feb 2024 · Web frameworks
- dropped VideoJS Feb 2024 · Video players
2023 33 added · 10 dropped
- added AppNexus Dec 2023 · Advertising
- added Google AdSense Dec 2023 · Advertising
- dropped Microsoft ASP.NET Dec 2023 · Web frameworks
- added PubMatic Dec 2023 · Advertising
- added ID5 Oct 2023 · Advertising
- dropped Amazon ALB Sep 2023 · Load balancers
- dropped Amazon Web Services Sep 2023 · PaaS
- added Cloudflare Bot Management Sep 2023 · Security
- added Microsoft ASP.NET Sep 2023 · Web frameworks
- dropped Google AdSense Jul 2023 · Advertising
- dropped AppNexus Jun 2023 · Advertising
- dropped core-js Jun 2023 · JavaScript libraries
- added jsDelivr Jun 2023 · CDN
- dropped PubMatic Jun 2023 · Advertising
- added Snowplow Analytics Jun 2023 · Analytics
- added 33Across May 2023 · Advertising
- added Adobe Audience Manager May 2023 · Segmentation
- added Amazon Advertising May 2023 · Advertising
- added Amazon ALB May 2023 · Load balancers
- added Amazon Associates May 2023 · Affiliate programs
- added Amazon Web Services May 2023 · PaaS
- added DoubleClick for Publishers (DFP) May 2023 · Advertising
- added Funding Choices May 2023 · Cookie compliance
- added Google AdSense May 2023 · Advertising
- added Google Analytics May 2023 · Analytics
- added Google Optimize May 2023 · A/B Testing
- added Google Publisher Tag May 2023 · Advertising
- added Google Tag Manager May 2023 · Tag managers
- added Infolinks May 2023 · Advertising
- added Mailgun May 2023 · Email
- added Prebid May 2023 · Advertising
- added reCAPTCHA May 2023 · Security
- added Rubicon Project May 2023 · Advertising
- added VideoJS May 2023 · Video players
- dropped C Apr 2023 · Programming languages
- added Google AdSense Mar 2023 · Advertising
- dropped reCAPTCHA Mar 2023 · Security
- added C Feb 2023 · Programming languages
- added Infolinks Feb 2023 · Advertising
- added VideoJS Feb 2023 · Video players
- added Amazon ALB Jan 2023 · Load balancers
- added Amazon Web Services Jan 2023 · PaaS
- dropped Google AdSense Jan 2023 · Advertising
2022 26 added · 8 dropped
- added Funding Choices Dec 2022 · Cookie compliance
- added 33Across Aug 2022 · Advertising
- added Amazon Advertising Aug 2022 · Advertising
- added Amazon Associates Aug 2022 · Affiliate programs
- added AppNexus Aug 2022 · Advertising
- added core-js Aug 2022 · JavaScript libraries
- added Criteo Aug 2022 · Advertising
- added DoubleClick for Publishers (DFP) Aug 2022 · Advertising
- added Google Analytics Aug 2022 · Analytics
- added Google Optimize Aug 2022 · A/B Testing
- added Google Publisher Tag Aug 2022 · Advertising
- added Google Tag Manager Aug 2022 · Tag managers
- added Mailgun Aug 2022 · Email
- 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 Google AdSense Jul 2022 · Advertising
- dropped Adobe Audience Manager Jun 2022 · Segmentation
- dropped Infolinks Jun 2022 · Advertising
- dropped VideoJS Jun 2022 · Video players
- dropped Cloudflare Bot Management May 2022 · Security
- dropped Sovrn May 2022 · Advertising
- added Adobe Audience Manager Apr 2022 · Segmentation
- added reCAPTCHA Apr 2022 · Security
- added VideoJS Apr 2022 · Video players
- dropped Moat Mar 2022 · Analytics
- added Cloudflare Bot Management Feb 2022 · Security
- added Infolinks Feb 2022 · Advertising
- added Sovrn Feb 2022 · Advertising
- dropped Google AdSense Jan 2022 · Advertising
- added Moat Jan 2022 · Analytics
- dropped Wheelio Jan 2022 · Widgets
2021 13 added · 4 dropped
- added core-js Sep 2021 · JavaScript libraries
- added Wheelio Sep 2021 · Widgets
- added 33Across Jul 2021 · Advertising
- added Amazon Associates Jul 2021 · Affiliate programs
- added Criteo Jul 2021 · Retargeting
- added Google AdSense Jul 2021 · Advertising
- added Google Optimize Jul 2021 · A/B Testing
- added Google Tag Manager Jul 2021 · Tag managers
- added OpenX Jul 2021 · Advertising
- added Prebid Jul 2021 · Advertising
- added PubMatic Jul 2021 · Advertising
- added Amazon Advertising Jun 2021 · Advertising
- dropped Criteo Mar 2021 · Advertising
- dropped Google AdSense Mar 2021 · Advertising
- dropped Google Tag Manager Mar 2021 · Tag managers
- dropped Prebid Mar 2021 · Advertising
- added Google Publisher Tag Feb 2021 · Advertising
2019 11 added · 2 dropped
- added AppNexus Oct 2019 · Advertising Networks
- added Criteo Oct 2019 · Advertising Networks
- added Prebid Oct 2019 · Advertising Networks
- added Rubicon Project Oct 2019 · Advertising Networks
- dropped Google Plus Jul 2019 · Widgets
- dropped Google Font API Jun 2019 · Font Scripts
- added Cloudflare Mar 2019 · CDN
- added DoubleClick for Publishers (DFP) Mar 2019 · Advertising Networks
- added Google AdSense Mar 2019 · Advertising Networks
- added Google Analytics Mar 2019 · Analytics
- added Google Font API Mar 2019 · Font Scripts
- added Google Plus Mar 2019 · Widgets
- added Google Tag Manager Mar 2019 · Tag Managers
2018 5 added
- added Google AdSense Jun 2018 · Advertising Networks
- added Google Analytics Jun 2018 · Analytics
- added Google Font API Jun 2018 · Font Scripts
- added Google Plus Jun 2018 · Widgets
- added Google Tag Manager Jun 2018 · Tag Managers