Technology history for thoughtco.com
Stack size over time
From 2 detected technologies in Apr 2018 to 33 in Jun 2026 (peak 34).
Currently detected
- Google Tag Manager since Apr 2018
- Google Analytics since Jun 2018
- Criteo since Aug 2018
- Prebid since Oct 2020
- Google Publisher Tag since Feb 2021
- Sailthru since May 2021
- Amazon Advertising since Jun 2021
- core-js since Sep 2021
- LazySizes since Feb 2022
- Adobe Audience Manager since Apr 2022
- DocuSign since Aug 2022
- Google Workspace since Aug 2022
- Salesforce since Aug 2022
- Open Graph since Sep 2022
- HSTS since Sep 2022
- LiveIntent since Jan 2023
- OpenX since Oct 2023
- Snowplow Analytics since Oct 2023
- HTTP/3 since Feb 2024
- comScore since Feb 2024
- RSS since Nov 2024
- Cloudflare since Nov 2024
- Cloudflare Bot Management since Nov 2024
- Google Cloud since Jun 2025
- Google Cloud CDN since Jun 2025
- ID5 since Aug 2025
- Infolinks since Oct 2025
- reCAPTCHA since Oct 2025
- Cloudflare Browser Insights since Oct 2025
- Rubicon Project since Dec 2025
- AppNexus since Dec 2025
- Tapad since Dec 2025
- theTradeDesk since Mar 2026
Previously used
- DataDome Apr 2026 to Apr 2026 · 1 mo
- Microsoft ASP.NET Feb 2022 to Feb 2026 · 4 yrs
- Varnish Jun 2018 to May 2025 · 6 yrs
- jQuery Jun 2018 to Mar 2025 · 6 yrs
- jsDelivr Oct 2023 to Oct 2023 · 1 mo
- Fastly May 2022 to Aug 2022 · 3 mo
- OneTrust May 2022 to May 2022 · 1 mo
- Tailwind CSS Apr 2022 to Apr 2022 · 1 mo
- IIS Feb 2022 to Feb 2022 · 1 mo
- Windows Server Feb 2022 to Feb 2022 · 1 mo
- DoubleClick for Publishers (DFP) Apr 2018 to Nov 2021 · 3 yrs
- Google AdSense Jun 2018 to Nov 2021 · 3 yrs
- Choices Feb 2021 to Sep 2021 · 7 mo
- Wheelio Sep 2021 to Sep 2021 · 1 mo
- Facebook Jun 2018 to Jun 2019 · 1 yr
- Java Jun 2018 to May 2019 · 11 mo
- Jetty Jun 2018 to May 2019 · 11 mo
- Modernizr Jun 2018 to Feb 2019 · 8 mo
Timeline
2026 8 added · 8 dropped
- dropped DataDome Jun 2026 · Security
- added AppNexus Apr 2026 · Advertising
- added DataDome Apr 2026 · Security
- added Infolinks Apr 2026 · Advertising
- dropped Microsoft ASP.NET Apr 2026 · Web frameworks
- added Rubicon Project Apr 2026 · Advertising
- added Tapad Apr 2026 · Advertising
- added Google Cloud Mar 2026 · IaaS
- added Google Cloud CDN Mar 2026 · CDN
- added theTradeDesk Mar 2026 · Advertising
- dropped AppNexus Feb 2026 · Advertising
- dropped Infolinks Feb 2026 · Advertising
- dropped Rubicon Project Feb 2026 · Advertising
- dropped Tapad Feb 2026 · Advertising
- dropped Google Cloud Jan 2026 · IaaS
- dropped Google Cloud CDN Jan 2026 · CDN
2025 15 added · 6 dropped
- added AppNexus Dec 2025 · Advertising
- added Rubicon Project Dec 2025 · Advertising
- added Tapad Dec 2025 · Advertising
- added Adobe Audience Manager Oct 2025 · Segmentation
- added Cloudflare Browser Insights Oct 2025 · Analytics
- added Infolinks Oct 2025 · Advertising
- added Microsoft ASP.NET Oct 2025 · Web frameworks
- added reCAPTCHA Oct 2025 · Security
- added ID5 Aug 2025 · Advertising
- added HTTP/3 Jul 2025 · Miscellaneous
- dropped Varnish Jul 2025 · Caching
- added Cloudflare Jun 2025 · CDN
- added Cloudflare Bot Management Jun 2025 · Security
- added Google Cloud Jun 2025 · IaaS
- added Google Cloud CDN Jun 2025 · CDN
- dropped Adobe Audience Manager May 2025 · Segmentation
- dropped Cloudflare May 2025 · CDN
- dropped Cloudflare Bot Management May 2025 · Security
- dropped HTTP/3 May 2025 · Miscellaneous
- dropped jQuery May 2025 · JavaScript libraries
- added Adobe Audience Manager Jan 2025 · Segmentation
2024 7 added
- added Cloudflare Nov 2024 · CDN
- added Cloudflare Bot Management Nov 2024 · Security
- added RSS Nov 2024 · Miscellaneous
- added core-js Aug 2024 · JavaScript libraries
- added LiveIntent Aug 2024 · Advertising
- added comScore Feb 2024 · Analytics
- added HTTP/3 Feb 2024 · Miscellaneous
2023 20 added · 5 dropped
- dropped jsDelivr Dec 2023 · CDN
- dropped LiveIntent Dec 2023 · Advertising
- added jsDelivr Oct 2023 · CDN
- added OpenX Oct 2023 · Advertising
- added Snowplow Analytics Oct 2023 · Analytics
- added Criteo Jun 2023 · Advertising
- added Google Publisher Tag Jun 2023 · Advertising
- added Amazon Advertising May 2023 · Advertising
- added DocuSign May 2023 · Miscellaneous
- added Google Analytics May 2023 · Analytics
- dropped Google Publisher Tag May 2023 · Advertising
- added Google Tag Manager May 2023 · Tag managers
- added Google Workspace May 2023 · Email
- added HSTS May 2023 · Security
- added jQuery May 2023 · JavaScript libraries
- added LazySizes May 2023 · JavaScript libraries
- added LiveIntent May 2023 · Email
- added Open Graph May 2023 · Miscellaneous
- added Prebid May 2023 · Advertising
- added Sailthru May 2023 · Marketing automation
- added Salesforce May 2023 · CRM
- added Varnish May 2023 · Caching
- dropped Adobe Audience Manager Mar 2023 · Segmentation
- dropped core-js Feb 2023 · JavaScript libraries
- added LiveIntent Jan 2023 · Email
2022 28 added · 11 dropped
- dropped Microsoft ASP.NET Dec 2022 · Web frameworks
- added Adobe Audience Manager Nov 2022 · Segmentation
- dropped Adobe Audience Manager Oct 2022 · Segmentation
- dropped Fastly Oct 2022 · CDN
- added HSTS Sep 2022 · Security
- added Microsoft ASP.NET Sep 2022 · Web frameworks
- added Open Graph Sep 2022 · Miscellaneous
- added Adobe Audience Manager Aug 2022 · Segmentation
- added Amazon Advertising Aug 2022 · Advertising
- added core-js Aug 2022 · JavaScript libraries
- added DocuSign Aug 2022 · Miscellaneous
- added Fastly Aug 2022 · CDN
- added Google Analytics Aug 2022 · Analytics
- added Google Publisher Tag Aug 2022 · Advertising
- added Google Tag Manager Aug 2022 · Tag managers
- added Google Workspace Aug 2022 · Email
- added jQuery Aug 2022 · JavaScript libraries
- added LazySizes Aug 2022 · JavaScript libraries
- dropped Microsoft ASP.NET Aug 2022 · Web frameworks
- added Prebid Aug 2022 · Advertising
- added Sailthru Aug 2022 · Marketing automation
- added Salesforce Aug 2022 · CRM
- added Varnish Aug 2022 · Caching
- dropped OneTrust Jul 2022 · Cookie compliance
- added Microsoft ASP.NET Jun 2022 · Web frameworks
- dropped Tailwind CSS Jun 2022 · UI frameworks
- added Fastly May 2022 · CDN
- added OneTrust May 2022 · Cookie compliance
- added Adobe Audience Manager Apr 2022 · Segmentation
- dropped IIS Apr 2022 · Web servers
- dropped Microsoft ASP.NET Apr 2022 · Web frameworks
- added Tailwind CSS Apr 2022 · UI frameworks
- dropped Windows Server Apr 2022 · Operating systems
- added IIS Feb 2022 · Web servers
- added LazySizes Feb 2022 · JavaScript libraries
- added Microsoft ASP.NET Feb 2022 · Web frameworks
- added Windows Server Feb 2022 · Operating systems
- dropped DoubleClick for Publishers (DFP) Jan 2022 · Advertising
- dropped Google AdSense Jan 2022 · Advertising
2021 8 added · 3 dropped
- dropped Choices Nov 2021 · Miscellaneous
- dropped Wheelio Nov 2021 · Widgets
- added core-js Sep 2021 · JavaScript libraries
- added Wheelio Sep 2021 · Widgets
- added Google AdSense Jul 2021 · Advertising
- added jQuery Jul 2021 · JavaScript libraries
- added Amazon Advertising Jun 2021 · Advertising
- added Sailthru May 2021 · Email
- dropped jQuery Mar 2021 · JavaScript libraries
- added Choices Feb 2021 · Miscellaneous
- added Google Publisher Tag Feb 2021 · Advertising
2020 1 added · 2 dropped
- dropped Criteo Nov 2020 · Advertising
- added Prebid Oct 2020 · Advertising
- dropped Google AdSense Jun 2020 · Advertising Networks
2019 9 added · 3 dropped · 1 switched
- dropped Facebook Aug 2019 · Widgets
- dropped Java Jul 2019 · Programming Languages
- dropped Jetty Jul 2019 · Web Servers
- added Criteo Mar 2019 · Advertising Networks
- 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 Java Mar 2019 · Programming Languages
- added Jetty Mar 2019 · Web Servers
- switched Modernizr jQuery Mar 2019 · JavaScript Libraries
- added Varnish Mar 2019 · Cache Tools
2018 9 added
- added Criteo Aug 2018 · Advertising Networks
- added Facebook Jun 2018 · Widgets
- added Google AdSense Jun 2018 · Advertising Networks
- added Google Analytics Jun 2018 · Analytics
- added Java Jun 2018 · Programming Languages
- added Jetty Jun 2018 · Web Servers
- added jQuery Jun 2018 · JavaScript Frameworks
- added Modernizr Jun 2018 · JavaScript Frameworks
- added Varnish Jun 2018 · Cache Tools