Technology history for pagerduty.com
Stack size over time
From 8 detected technologies in Apr 2018 to 139 in Jun 2026.
Currently detected
- Google Tag Manager since Apr 2018
- YouTube since Apr 2018
- WordPress since Apr 2018
- ZURB Foundation since Apr 2018
- Optimizely since Apr 2018
- jQuery Migrate since Apr 2018
- Cloudflare since Apr 2018
- jQuery since Apr 2018
- PHP since Jun 2018
- Facebook since Jun 2018
- Google Analytics since Jun 2018
- jQuery UI since Jun 2018
- Crazy Egg since Jun 2018
- Marketo since Jun 2018
- Moment.js since Jun 2018
- MySQL since Jun 2018
- New Relic since Jul 2018
- React since Aug 2018
- Google Font API since Aug 2018
- Ruby since Aug 2018
- Ruby on Rails since Aug 2018
- Select2 since Aug 2018
- Webpack since Aug 2018
- Marked since Aug 2018
- Font Awesome since Aug 2018
- Modernizr since Aug 2018
- Nginx since Aug 2018
- Amazon CloudFront since Aug 2018
- Amazon S3 since Aug 2018
- AngularJS since Aug 2018
- Bootstrap since Aug 2018
- CodeMirror since Aug 2018
- Lodash since Sep 2018
- Segment since Nov 2018
- BugSnag since Apr 2019
- Amazon Web Services since Apr 2019
- WP Engine since May 2019
- Microsoft ASP.NET since Feb 2020
- FancyBox since Feb 2020
- Mustache since Feb 2020
- Algolia since Mar 2020
- Babel since Jun 2020
- OneTrust since Aug 2020
- Gatsby since Sep 2020
- Sentry since Jan 2021
- Microsoft Advertising since Feb 2021
- Linkedin Insight Tag since Feb 2021
- Cloudflare Browser Insights since Feb 2021
- Twitter Analytics since May 2021
- Twitter Ads since May 2021
- Zendesk since May 2021
- jsDelivr since May 2021
- Yoast SEO since Jun 2021
- Facebook Pixel since Jun 2021
- Drift since Jun 2021
- Google Remarketing Tag since Jul 2021
- theTradeDesk since Jul 2021
- styled-components since Jul 2021
- Twitter Emoji (Twemoji) since Jul 2021
- Underscore.js since Jul 2021
- Google Ads Conversion Tracking since Jul 2021
- Emotion since Jul 2021
- MkDocs since Jul 2021
- Atlassian Statuspage since Jul 2021
- Wistia since Sep 2021
- Wheelio since Sep 2021
- core-js since Sep 2021
- Netlify since Sep 2021
- Prism since Nov 2021
- gunicorn since Nov 2021
- FullStory since Nov 2021
- Axios since Nov 2021
- Cloudflare Bot Management since Nov 2021
- Microsoft Clarity since Jan 2022
- cdnjs since Feb 2022
- Python since Mar 2022
- Java since Mar 2022
- Tailwind CSS since Apr 2022
- Demandbase since Apr 2022
- jQuery CDN since May 2022
- Loadable-Components since May 2022
- Q4 since Jul 2022
- Snowplow Analytics since Jul 2022
- PWA since Aug 2022
- Google Workspace since Aug 2022
- Sendgrid since Aug 2022
- Mailgun since Aug 2022
- DocuSign since Aug 2022
- Pendo since Aug 2022
- HSTS since Sep 2022
- Open Graph since Sep 2022
- HTTP/3 since Sep 2022
- Reddit Ads since Oct 2022
- VideoJS since Oct 2022
- Turbo since Dec 2022
- RSS since Dec 2022
- Sakura Internet since Jan 2023
- ReadMe since Jan 2023
- ProfilePress since Jan 2023
- Google Hosted Libraries since Jan 2023
- Transifex since Jan 2023
- WP-PageNavi since Jan 2023
- Apple iCloud Mail since Jan 2023
- C since Feb 2023
- Salesforce Desk since Apr 2023
- Aura since Apr 2023
- Stimulus since May 2023
- Skilljar since Jun 2023
- Priority Hints since Nov 2023
- Render since Nov 2023
- VWO since Nov 2023
- MUI since Jan 2024
- Q4 Cookie Monster since Aug 2024
- MediaElement.js since Aug 2024
- Envoy since Oct 2024
- Backbone.js since Nov 2024
- inSided since Nov 2024
- Salesforce since Dec 2024
- Salesforce Service Cloud since Dec 2024
- Heap since Mar 2025
- React Router since May 2025
- Radix UI since Aug 2025
- Google Cloud CDN since Aug 2025
- Google Cloud since Aug 2025
- Google Cloud Trace since Aug 2025
- PDF.js since Aug 2025
- shadcn/ui since Aug 2025
- Swiper since Aug 2025
- Okta since Aug 2025
- Amazon Advertising since Aug 2025
- Amazon Webstore since Aug 2025
- Ant Design since Aug 2025
- BugHerd since Oct 2025
- Next.js since Apr 2026
- Next.js App Router since Apr 2026
- Node.js since Apr 2026
- Cart Functionality since Apr 2026
- Headless UI since Apr 2026
- Simpli.fi since May 2026
Previously used
- Contentsquare Mar 2026 to Mar 2026 · 1 mo
- Yoast SEO Premium Nov 2024 to Mar 2026 · 1 yr
- Svelte Oct 2025 to Oct 2025 · 1 mo
- Discourse Aug 2018 to Apr 2024 · 5 yrs
- Ember.js Aug 2018 to Apr 2024 · 5 yrs
- Handlebars Aug 2018 to Apr 2024 · 5 yrs
- Swiftype Jun 2018 to Apr 2024 · 5 yrs
- Vue.js Oct 2022 to Apr 2024 · 1 yr
- Unpkg May 2022 to Nov 2023 · 1 yr
- Heroku Aug 2020 to Oct 2023 · 3 yrs
- Plyr Oct 2022 to Sep 2023 · 11 mo
- Datadome Jun 2023 to Jun 2023 · 1 mo
- Fastly Aug 2018 to May 2023 · 4 yrs
- Google Code Prettify Aug 2018 to May 2023 · 4 yrs
- Polyfill Jul 2021 to May 2023 · 1 yr
- reCAPTCHA Jul 2021 to May 2023 · 1 yr
- Twitter Aug 2018 to May 2023 · 4 yrs
- Twitter typeahead.js Aug 2018 to May 2023 · 4 yrs
- Cloudinary Apr 2023 to Apr 2023 · 1 mo
- Cowboy Aug 2018 to Jan 2023 · 4 yrs
- Erlang Aug 2018 to Jan 2023 · 4 yrs
- Amazon ALB Sep 2021 to Aug 2022 · 11 mo
- Osano May 2021 to Aug 2022 · 1 yr
- GSAP Jun 2018 to May 2022 · 3 yrs
- jQuery-pjax Feb 2019 to Apr 2022 · 3 yrs
- IIS Feb 2020 to Feb 2022 · 2 yrs
- Windows Server Feb 2020 to Feb 2022 · 2 yrs
- CookieYes Jul 2021 to Jul 2021 · 1 mo
- Elementor Jul 2021 to Jul 2021 · 1 mo
- Slick Jul 2021 to Jul 2021 · 1 mo
- Sucuri Jul 2021 to Jul 2021 · 1 mo
- Swiper Slider Jul 2021 to Jul 2021 · 1 mo
- Vimeo Jul 2021 to Jul 2021 · 1 mo
- Marketo Forms Feb 2021 to May 2021 · 3 mo
- AdRoll Jun 2018 to Mar 2021 · 2 yrs
- Yii Oct 2020 to Feb 2021 · 4 mo
- Chart.js Feb 2020 to Dec 2020 · 10 mo
- Algolia Realtime Search Aug 2018 to Feb 2020 · 1 yr
- Lua Aug 2018 to Jan 2020 · 1 yr
- OpenResty Aug 2018 to Jan 2020 · 1 yr
- AppNexus Aug 2018 to Dec 2018 · 4 mo
- Gravatar Jun 2018 to Oct 2018 · 4 mo
Timeline
2026 7 added · 2 dropped
- dropped Contentsquare May 2026 · Analytics
- added Simpli.fi May 2026 · Advertising
- dropped Yoast SEO Premium May 2026 · SEO
- added Cart Functionality Apr 2026 · Ecommerce
- added Headless UI Apr 2026 · UI frameworks
- added Next.js Apr 2026 · JavaScript frameworks
- added Next.js App Router Apr 2026 · JavaScript frameworks
- added Node.js Apr 2026 · Programming languages
- added Contentsquare Mar 2026 · Analytics
2025 5 added · 2 dropped
- dropped Svelte Dec 2025 · JavaScript frameworks
- dropped Osano Oct 2025 · Cookie compliance
- added Svelte Oct 2025 · JavaScript frameworks
- added Amazon Advertising Aug 2025 · Advertising
- added Amazon Webstore Aug 2025 · Ecommerce
- added React Router May 2025 · JavaScript frameworks
- added Heap Mar 2025 · Analytics
2024 3 added · 16 dropped
- dropped Discourse Dec 2024 · Message boards
- dropped Ember.js Dec 2024 · JavaScript frameworks
- dropped Handlebars Dec 2024 · JavaScript frameworks
- dropped Cowboy Nov 2024 · Web Servers
- dropped Erlang Nov 2024 · Programming Languages
- added Yoast SEO Premium Nov 2024 · SEO
- added Microsoft Clarity Jul 2024 · Analytics
- dropped Microsoft Clarity Jun 2024 · Analytics
- dropped Swiftype Jun 2024 · Search engines
- dropped Vue.js Jun 2024 · JavaScript frameworks
- dropped Cloudinary Mar 2024 · CDN
- added Microsoft Clarity Mar 2024 · Analytics
- dropped Fastly Feb 2024 · CDN
- dropped Google Code Prettify Feb 2024 · Miscellaneous
- dropped Polyfill Feb 2024 · JavaScript libraries
- dropped reCAPTCHA Feb 2024 · Security
- dropped Twitter Feb 2024 · Widgets
- dropped Twitter typeahead.js Feb 2024 · JavaScript libraries
- dropped Unpkg Jan 2024 · CDN
2023 33 added · 3 dropped · 2 switched
- dropped Plyr Nov 2023 · Video players
- added Priority Hints Nov 2023 · Performance
- switched Heroku Render Nov 2023 · PaaS
- added VWO Nov 2023 · Analytics
- dropped Datadome Aug 2023 · Security
- added Datadome Jun 2023 · Security
- added Babel May 2023 · Miscellaneous
- added Demandbase May 2023 · Analytics
- added Discourse May 2023 · Message boards
- added Ember.js May 2023 · JavaScript frameworks
- added Emotion May 2023 · JavaScript frameworks
- added Gatsby May 2023 · JavaScript frameworks
- added Handlebars May 2023 · JavaScript frameworks
- added Heroku May 2023 · PaaS
- added HTTP/3 May 2023 · Miscellaneous
- added jQuery CDN May 2023 · CDN
- added Loadable-Components May 2023 · JavaScript libraries
- added Plyr May 2023 · Video players
- added PWA May 2023 · Miscellaneous
- added ReadMe May 2023 · Documentation
- switched AdRoll Reddit Ads May 2023 · Advertising
- added RSS May 2023 · Miscellaneous
- added Sentry May 2023 · Issue trackers
- added Stimulus May 2023 · JavaScript frameworks
- added styled-components May 2023 · JavaScript frameworks
- added Tailwind CSS May 2023 · UI frameworks
- added Transifex May 2023 · JavaScript frameworks
- added Turbo May 2023 · Performance
- added Unpkg May 2023 · CDN
- added VideoJS May 2023 · Video players
- added Vue.js May 2023 · JavaScript frameworks
- added YouTube May 2023 · Video players
- dropped Microsoft Clarity Mar 2023 · Analytics
- added C Feb 2023 · Programming languages
- added FullStory Feb 2023 · Analytics
- added Apple iCloud Mail Jan 2023 · Webmail
- added ReadMe Jan 2023 · Documentation
- added Transifex Jan 2023 · JavaScript frameworks
2022 41 added · 7 dropped
- added RSS Dec 2022 · Miscellaneous
- added Turbo Dec 2022 · Performance
- dropped Amazon ALB Oct 2022 · Load balancers
- added HSTS Sep 2022 · Security
- added HTTP/3 Sep 2022 · Miscellaneous
- added Open Graph Sep 2022 · Miscellaneous
- added Amazon ALB Aug 2022 · Load balancers
- added Babel Aug 2022 · Miscellaneous
- added cdnjs Aug 2022 · CDN
- added Cloudflare Bot Management Aug 2022 · Security
- added Demandbase Aug 2022 · Analytics
- added Discourse Aug 2022 · Message boards
- added DocuSign Aug 2022 · Miscellaneous
- added Ember.js Aug 2022 · JavaScript frameworks
- added Emotion Aug 2022 · JavaScript frameworks
- added FancyBox Aug 2022 · JavaScript libraries
- added Gatsby Aug 2022 · JavaScript frameworks
- added Google Workspace Aug 2022 · Webmail
- added Handlebars Aug 2022 · JavaScript frameworks
- added Heroku Aug 2022 · PaaS
- dropped IIS Aug 2022 · Web servers
- added jQuery CDN Aug 2022 · CDN
- added Loadable-Components Aug 2022 · JavaScript libraries
- added Microsoft ASP.NET Aug 2022 · Web frameworks
- added Microsoft Clarity Aug 2022 · Analytics
- added Mustache Aug 2022 · JavaScript frameworks
- added New Relic Aug 2022 · RUM
- added Osano Aug 2022 · Cookie compliance
- added PWA Aug 2022 · Miscellaneous
- added Q4 Aug 2022 · CRM
- added Sentry Aug 2022 · Issue trackers
- added Snowplow Analytics Aug 2022 · Analytics
- added styled-components Aug 2022 · JavaScript frameworks
- added Tailwind CSS Aug 2022 · UI frameworks
- added Unpkg Aug 2022 · CDN
- dropped Windows Server Aug 2022 · Operating systems
- added Zendesk Aug 2022 · Issue trackers
- dropped GSAP Jul 2022 · JavaScript frameworks
- dropped Java Jul 2022 · Programming languages
- dropped jQuery-pjax Jun 2022 · Mobile frameworks
- added GSAP May 2022 · JavaScript frameworks
- added jQuery CDN May 2022 · CDN
- added Loadable-Components May 2022 · JavaScript libraries
- added Unpkg May 2022 · CDN
- added Demandbase Apr 2022 · Analytics
- added Tailwind CSS Apr 2022 · UI frameworks
- dropped FullStory Mar 2022 · Analytics
- added Microsoft Clarity Jan 2022 · Analytics
2021 28 added · 21 dropped · 3 switched
- added Cloudflare Bot Management Nov 2021 · Security
- added FullStory Nov 2021 · Analytics
- dropped Polyfill Oct 2021 · JavaScript libraries
- added Amazon ALB Sep 2021 · Load balancers
- dropped CookieYes Sep 2021 · Cookie compliance
- added core-js Sep 2021 · JavaScript libraries
- dropped Elementor Sep 2021 · Page builders
- dropped jQuery Migrate Sep 2021 · JavaScript libraries
- dropped Slick Sep 2021 · JavaScript libraries
- dropped Sucuri Sep 2021 · CDN
- dropped Twitter Emoji (Twemoji) Sep 2021 · Font scripts
- dropped Underscore.js Sep 2021 · JavaScript libraries
- switched Marketo Forms Wheelio Sep 2021 · Widgets
- switched Vimeo Wistia Sep 2021 · Video players
- dropped AppNexus Aug 2021 · Advertising Networks
- dropped GSAP Aug 2021 · JavaScript Frameworks
- added Sentry Aug 2021 · Issue trackers
- dropped Yii Aug 2021 · Web frameworks
- dropped ZURB Foundation Aug 2021 · Web Frameworks
- added Algolia Jul 2021 · Search engines
- switched Swiper Slider Babel Jul 2021 · Miscellaneous
- added Discourse Jul 2021 · Message boards
- added Ember.js Jul 2021 · JavaScript frameworks
- added Emotion Jul 2021 · JavaScript frameworks
- added Gatsby Jul 2021 · JavaScript frameworks
- added Google Ads Conversion Tracking Jul 2021 · Analytics
- added Google Remarketing Tag Jul 2021 · Retargeting
- added Handlebars Jul 2021 · JavaScript frameworks
- added styled-components Jul 2021 · JavaScript frameworks
- added theTradeDesk Jul 2021 · Advertising
- added Drift Jun 2021 · Live chat
- added Facebook Pixel Jun 2021 · Analytics
- added Yoast SEO Jun 2021 · SEO
- added Cloudflare Browser Insights May 2021 · Analytics
- added jsDelivr May 2021 · CDN
- added Twitter Ads May 2021 · Advertising
- added Twitter Analytics May 2021 · Analytics
- added Zendesk May 2021 · Live chat
- dropped Cloudflare Browser Insights Apr 2021 ·
- dropped Algolia Mar 2021 · Search engines
- dropped Babel Mar 2021 · Miscellaneous
- dropped Discourse Mar 2021 · Message boards
- dropped Ember.js Mar 2021 · JavaScript frameworks
- dropped Gatsby Mar 2021 · Static site generator
- dropped Handlebars Mar 2021 · JavaScript frameworks
- dropped Sentry Mar 2021 · Issue trackers
- dropped Chart.js Feb 2021 · JavaScript graphics
- added Cloudflare Browser Insights Feb 2021 ·
- added Linkedin Insight Tag Feb 2021 ·
- added Marketo Forms Feb 2021 ·
- added Microsoft Advertising Feb 2021 ·
- added Sentry Jan 2021 · Issue trackers
2020 5 added · 2 dropped · 1 switched
- added Heroku Aug 2020 · PaaS
- added OneTrust Aug 2020 · Cookie compliance
- added Babel Jun 2020 · Miscellaneous
- switched Algolia Realtime Search Algolia Mar 2020 · Search Engines
- dropped Lua Mar 2020 · Programming Languages
- dropped OpenResty Mar 2020 · Web Servers
- added WP Engine Mar 2020 · PaaS
- added Chart.js Feb 2020 · JavaScript Graphics
2019 11 added · 1 dropped
- dropped WP Engine Oct 2019 · PaaS
- added WP Engine May 2019 · PaaS
- added BugSnag Apr 2019 · Analytics
- added Algolia Realtime Search Mar 2019 · Search Engines
- added Discourse Mar 2019 · Message Boards
- added Ember.js Mar 2019 · JavaScript Frameworks
- added Handlebars Mar 2019 · JavaScript Frameworks
- added jQuery-pjax Mar 2019 · Mobile Frameworks
- added Lua Mar 2019 · Programming Languages
- added Nginx Mar 2019 · Web Servers
- added OpenResty Mar 2019 · Web Servers
- added jQuery-pjax Feb 2019 · Mobile Frameworks
2018 15 added · 2 dropped
- dropped Gravatar Dec 2018 · Miscellaneous
- added Segment Nov 2018 · Analytics
- added Lodash Sep 2018 · JavaScript Libraries
- added New Relic Jul 2018 · Analytics
- dropped YouTube Jul 2018 · Video Players
- added AdRoll Jun 2018 · Advertising Networks
- added Crazy Egg Jun 2018 · Analytics
- added Facebook Jun 2018 · Widgets
- added Google Analytics Jun 2018 · Analytics
- added Gravatar Jun 2018 · Miscellaneous
- added GSAP Jun 2018 · JavaScript Frameworks
- added jQuery UI Jun 2018 · JavaScript Frameworks
- added Marketo Jun 2018 · Marketing Automation
- added Moment.js Jun 2018 · JavaScript Frameworks
- added MySQL Jun 2018 · Databases
- added PHP Jun 2018 · Programming Languages
- added Swiftype Jun 2018 · Search Engines