Technology history for downdetector.com
Stack size over time
From 5 detected technologies in May 2017 to 73 in Sep 2026 (peak 74).
Currently detected
- Cloudflare since May 2017
- jQuery since May 2017
- Leaflet since May 2017
- Bootstrap since May 2017
- Nginx since May 2017
- Prebid since May 2018
- Google Tag Manager since Jun 2018
- Raphael since Jun 2018
- Varnish since Jun 2018
- Font Awesome since Aug 2018
- jQuery UI since Aug 2018
- D3 since Aug 2018
- Google Font API since Aug 2018
- Google Analytics since Aug 2018
- Moment.js since Aug 2018
- Select2 since Aug 2018
- xCharts since Aug 2018
- Lodash since Sep 2018
- AppNexus since Oct 2018
- Facebook since Oct 2018
- DoubleClick for Publishers (DFP) since Oct 2018
- Google AdSense since Oct 2018
- Chart.js since Oct 2019
- GitHub Pages since Nov 2019
- Ruby since Nov 2019
- Fastly since Nov 2019
- Ruby on Rails since Nov 2019
- Babel since Mar 2020
- Google Publisher Tag since Feb 2021
- Facebook Login since Jul 2021
- core-js since Sep 2021
- Cloudflare Bot Management since Oct 2021
- cdnjs since Oct 2021
- reCAPTCHA since Apr 2022
- Webpack since Jul 2022
- Google Workspace since Aug 2022
- Zendesk since Aug 2022
- Amazon Web Services since Aug 2022
- Amazon SES since Aug 2022
- MailChimp since Aug 2022
- Open Graph since Sep 2022
- Amazon CloudFront since Oct 2022
- PayPal since Oct 2022
- React since Oct 2022
- OneTrust since Jan 2023
- Criteo since May 2023
- Microsoft ASP.NET since Sep 2023
- Rubicon Project since Mar 2024
- PubMatic since Mar 2024
- OpenX since Mar 2024
- Microsoft Advertising since Apr 2024
- Adobe Audience Manager since May 2024
- ID5 since Jun 2024
- Snowplow Analytics since Sep 2024
- 33Across since Oct 2024
- HSTS since Nov 2024
- Chartbeat since Dec 2024
- comScore since Feb 2025
- Salesforce Marketing Cloud Account Engagement since Oct 2025
- HTTP/3 since Dec 2025
- Tapad since Dec 2025
- Microsoft Clarity since Jan 2026
- Datadog since Feb 2026
- Amazon Advertising since Feb 2026
- Next.js App Router since Feb 2026
- PWA since Feb 2026
- Priority Hints since Feb 2026
- Sentry since Feb 2026
- Node.js since Feb 2026
- Next.js since Feb 2026
- TripleLift since Mar 2026
- theTradeDesk since Mar 2026
- GumGum since Apr 2026
Previously used
- LiveIntent Oct 2024 to Apr 2026 · 1 yr
- Infolinks Oct 2024 to Dec 2025 · 1 yr
- Amazon ALB Jun 2025 to Jun 2025 · 1 mo
- Apple iCloud Mail Jan 2023 to Nov 2023 · 10 mo
- Auth0 Oct 2022 to Nov 2023 · 1 yr
- Auth0 Lock Oct 2022 to Nov 2023 · 1 yr
- Bugcrowd Oct 2022 to Nov 2023 · 1 yr
- Heroku Oct 2022 to Nov 2023 · 1 yr
- Salesforce Oct 2022 to Nov 2023 · 1 yr
- Stripe Oct 2022 to Nov 2023 · 1 yr
- Cloudflare Browser Insights Feb 2021 to Oct 2023 · 2 yrs
- Evidon Feb 2022 to May 2022 · 3 mo
- Tailwind CSS Apr 2022 to Apr 2022 · 1 mo
- Crownpeak Aug 2020 to Jan 2022 · 1 yr
- Wheelio Sep 2021 to Sep 2021 · 1 mo
- Quantcast Choice Aug 2021 to Aug 2021 · 1 mo
Timeline
2026 14 added · 2 dropped
- dropped LiveIntent Aug 2026 · Advertising
- added GumGum Apr 2026 · Advertising
- added theTradeDesk Mar 2026 · Advertising
- added TripleLift Mar 2026 · Advertising
- added 33Across Feb 2026 · Advertising
- added Amazon Advertising Feb 2026 · Advertising
- added Datadog Feb 2026 · Analytics
- dropped Infolinks Feb 2026 · Advertising
- added Next.js Feb 2026 · Web frameworks
- added Next.js App Router Feb 2026 · JavaScript frameworks
- added Node.js Feb 2026 · Programming languages
- added Priority Hints Feb 2026 · Performance
- added PWA Feb 2026 · Miscellaneous
- added React Feb 2026 · JavaScript frameworks
- added Sentry Feb 2026 · Issue trackers
- added Microsoft Clarity Jan 2026 · Analytics
2025 9 added · 11 dropped
- added HTTP/3 Dec 2025 · Miscellaneous
- added Tapad Dec 2025 · Advertising
- added OneTrust Oct 2025 · Cookie compliance
- added Salesforce Marketing Cloud Account Engagement Oct 2025 · Marketing automation
- dropped Amazon ALB Aug 2025 · Load balancers
- dropped 33Across Jun 2025 · Advertising
- added Amazon ALB Jun 2025 · Load balancers
- dropped Apple iCloud Mail Apr 2025 · Webmail
- dropped Auth0 Apr 2025 · Authentication
- dropped Auth0 Lock Apr 2025 · Authentication
- dropped Bugcrowd Apr 2025 · Security
- dropped Heroku Apr 2025 · PaaS
- dropped React Apr 2025 · JavaScript frameworks
- dropped Salesforce Apr 2025 · CRM
- dropped Stripe Apr 2025 · Payment processors
- added 33Across Mar 2025 · Advertising
- added Infolinks Mar 2025 · Advertising
- dropped OneTrust Mar 2025 · Cookie compliance
- added Adobe Audience Manager Feb 2025 · Segmentation
- added comScore Feb 2025 · Analytics
2024 13 added · 4 dropped
- dropped 33Across Dec 2024 · Advertising
- added Chartbeat Dec 2024 · Analytics
- dropped Infolinks Dec 2024 · Advertising
- added HSTS Nov 2024 · Security
- added 33Across Oct 2024 · Advertising
- added Infolinks Oct 2024 · Advertising
- added LiveIntent Oct 2024 · Advertising
- added Snowplow Analytics Sep 2024 · Analytics
- dropped Adobe Audience Manager Jul 2024 · Segmentation
- added ID5 Jun 2024 · Advertising
- added Adobe Audience Manager May 2024 · Segmentation
- dropped Cloudflare Browser Insights May 2024 · Analytics
- added Microsoft Advertising Apr 2024 · Advertising
- added Microsoft ASP.NET Mar 2024 · Web frameworks
- added OpenX Mar 2024 · Advertising
- added PubMatic Mar 2024 · Advertising
- added Rubicon Project Mar 2024 · Advertising
2023 5 added · 2 dropped
- dropped Microsoft ASP.NET Nov 2023 · Web frameworks
- added PayPal Oct 2023 · Payment processors
- added Microsoft ASP.NET Sep 2023 · Web frameworks
- dropped PayPal Sep 2023 · Payment processors
- added Criteo May 2023 · Advertising
- added Apple iCloud Mail Jan 2023 · Webmail
- added OneTrust Jan 2023 · Cookie compliance
2022 18 added · 2 dropped · 1 switched
- added PayPal Oct 2022 · Payment processors
- added Open Graph Sep 2022 · Miscellaneous
- added Amazon SES Aug 2022 · Email
- added Amazon Web Services Aug 2022 · PaaS
- added cdnjs Aug 2022 · CDN
- added Cloudflare Bot Management Aug 2022 · Security
- added Cloudflare Browser Insights Aug 2022 · Analytics
- added core-js Aug 2022 · JavaScript libraries
- added Facebook Login Aug 2022 · Authentication
- added Google Publisher Tag Aug 2022 · Advertising
- added Google Workspace Aug 2022 · Email
- added MailChimp Aug 2022 · Marketing automation
- added reCAPTCHA Aug 2022 · Security
- added Webpack Aug 2022 · Miscellaneous
- added Zendesk Aug 2022 · Documentation
- dropped Evidon Jul 2022 · Cookie compliance
- added Webpack Jul 2022 · Miscellaneous
- dropped Tailwind CSS Jun 2022 · UI frameworks
- added reCAPTCHA Apr 2022 · Security
- added Tailwind CSS Apr 2022 · UI frameworks
- switched Crownpeak Evidon Feb 2022 · Cookie compliance
2021 8 added · 2 dropped
- dropped Wheelio Nov 2021 · Widgets
- added cdnjs Oct 2021 · CDN
- added Cloudflare Bot Management Oct 2021 · Security
- dropped Quantcast Choice Oct 2021 · Cookie compliance
- added core-js Sep 2021 · JavaScript libraries
- added Wheelio Sep 2021 · Widgets
- added Quantcast Choice Aug 2021 · Cookie compliance
- added Facebook Login Jul 2021 · Social logins
- added Cloudflare Browser Insights Feb 2021 · Analytics
- added Google Publisher Tag Feb 2021 · Advertising
2020 2 added
2019 31 added · 6 dropped
- added Fastly Nov 2019 · CDN
- added Font Awesome Nov 2019 · Font Scripts
- added GitHub Pages Nov 2019 · CDN
- added Ruby Nov 2019 · Programming Languages
- added Ruby on Rails Nov 2019 · Web Frameworks
- added Chart.js Oct 2019 · JavaScript Graphics
- added AppNexus Jun 2019 · Advertising Networks
- added DoubleClick for Publishers (DFP) Jun 2019 · Advertising Networks
- added Facebook Jun 2019 · Widgets
- added Google AdSense Jun 2019 · Advertising Networks
- dropped AppNexus May 2019 · Advertising Networks
- dropped DoubleClick for Publishers (DFP) May 2019 · Advertising Networks
- dropped Facebook May 2019 · Widgets
- dropped Google AdSense May 2019 · Advertising Networks
- added AppNexus Mar 2019 · Advertising Networks
- added Bootstrap Mar 2019 · Web Frameworks
- added Cloudflare Mar 2019 · CDN
- added D3 Mar 2019 · JavaScript Graphics
- added DoubleClick for Publishers (DFP) Mar 2019 · Advertising Networks
- added Facebook Mar 2019 · Widgets
- dropped Font Awesome Mar 2019 · Font Scripts
- added Google AdSense Mar 2019 · Advertising Networks
- added Google Analytics Mar 2019 · Analytics
- added Google Font API Mar 2019 · Font Scripts
- added Google Tag Manager Mar 2019 · Tag Managers
- added jQuery Mar 2019 · JavaScript Libraries
- added jQuery UI Mar 2019 · JavaScript Libraries
- added Leaflet Mar 2019 · Maps
- added Lodash Mar 2019 · JavaScript Libraries
- added Moment.js Mar 2019 · JavaScript Libraries
- added Prebid Mar 2019 · Advertising Networks
- added Raphael Mar 2019 · JavaScript Graphics
- added Select2 Mar 2019 · JavaScript Libraries
- added Varnish Mar 2019 · Cache Tools
- added xCharts Mar 2019 · JavaScript Graphics
- added Google AdSense Feb 2019 · Advertising Networks
- dropped Google AdSense Jan 2019 · Advertising Networks
2018 9 added
- added AppNexus Oct 2018 · Advertising Networks
- added DoubleClick for Publishers (DFP) Oct 2018 · Advertising Networks
- added Facebook Oct 2018 · Widgets
- added Google AdSense Oct 2018 · Advertising Networks
- added Lodash Sep 2018 · JavaScript Libraries
- added Google Tag Manager Jun 2018 · Tag Managers
- added Raphael Jun 2018 · JavaScript Graphics
- added Varnish Jun 2018 · Cache Tools
- added Prebid May 2018 · Advertising Networks
2017 5 added
- added Bootstrap May 2017 · Web Frameworks
- added Cloudflare May 2017 · CDN
- added jQuery May 2017 · JavaScript Frameworks
- added Leaflet May 2017 · Maps
- added Nginx May 2017 · Web Servers