Technology history for classpass.com
Stack size over time
From 3 detected technologies in Apr 2018 to 106 in Jun 2026.
Currently detected
- Optimizely since Apr 2018
- Cloudflare since Apr 2018
- React since Apr 2018
- Hotjar since Jun 2018
- jQuery since Jun 2018
- Google Analytics since Jun 2018
- AngularJS since Jun 2018
- Contentful since Jun 2018
- Bounce Exchange since Jun 2018
- Google Tag Manager since Jun 2018
- Facebook since Jun 2018
- Criteo since Jun 2018
- webpack-2 since Jun 2018
- Mixpanel since Jun 2018
- Webpack since Jul 2018
- jQuery Migrate since Aug 2018
- HubSpot since Aug 2018
- Matomo since Aug 2018
- Slick since Aug 2018
- Yoast SEO since Aug 2018
- Bootstrap since Aug 2018
- Animate.css since Aug 2018
- Font Awesome since Aug 2018
- MySQL since Aug 2018
- Google Font API since Aug 2018
- Moment.js since Aug 2018
- PHP since Aug 2018
- Twitter Emoji (Twemoji) since Aug 2018
- WordPress since Aug 2018
- jQuery UI since Aug 2018
- Modernizr since Aug 2018
- Ruby since Aug 2018
- Ruby on Rails since Aug 2018
- OWL Carousel since Sep 2018
- Node.js since Jan 2019
- WP Engine since May 2019
- Segment since Aug 2019
- Zendesk since Mar 2020
- Matomo Analytics since Aug 2020
- Microsoft Advertising since Feb 2021
- Braze since Feb 2021
- Branch since Feb 2021
- HubSpot Analytics since Feb 2021
- Linkedin Insight Tag since Feb 2021
- HubSpot CMS Hub since Jun 2021
- Facebook Pixel since Jul 2021
- Google Ads Conversion Tracking since Jul 2021
- TikTok Pixel since Jul 2021
- core-js since Sep 2021
- FullStory since Sep 2021
- Cloudflare Bot Management since Oct 2021
- Rakuten since Oct 2021
- Rakuten Advertising since Oct 2021
- Envoy since Nov 2021
- Next.js since Dec 2021
- Lodash since Dec 2021
- Cloudflare Network Error Logging since Feb 2022
- Amobee since Feb 2022
- LazySizes since Feb 2022
- cdnjs since Mar 2022
- Amazon Web Services since Apr 2022
- Everflow since Jun 2022
- Headless UI since Jul 2022
- DocuSign since Aug 2022
- HSTS since Sep 2022
- TVSquared since Sep 2022
- Hammer.js since Nov 2022
- Open Graph since Nov 2022
- ThemeGrill Cenote since Nov 2022
- Swiper since Nov 2022
- RSS since Dec 2022
- Apple iCloud Mail since Jan 2023
- HTTP/3 since Feb 2023
- AOS since Feb 2023
- Formidable Form since Mar 2023
- HubSpot Chat since Mar 2023
- Stripe since Apr 2023
- LogRocket since Jul 2023
- Pingdom RUM since Jul 2023
- Contact Form 7 since Sep 2023
- LottieFiles since Sep 2023
- Priority Hints since Sep 2023
- Impact since Dec 2023
- jsDelivr since Feb 2024
- Amazon S3 since Feb 2024
- Splide since Feb 2024
- Tatari since Aug 2024
- AppNexus since Aug 2024
- Demandbase since Sep 2024
- CivicTheme since Sep 2024
- Reddit Ads since Jan 2025
- Rokt since Feb 2025
- Tradedoubler since Feb 2025
- TrustArc since Mar 2025
- APPLOVIN since Apr 2025
- Sprig since Apr 2025
- Nextdoor Ads since Jul 2025
- Amazon Advertising since Aug 2025
- Amazon Webstore since Aug 2025
- Datadog since Sep 2025
- Microsoft 365 since Sep 2025
- Shopify since Nov 2025
- Aura since Nov 2025
- Cart Functionality since Nov 2025
- Salesforce Desk since Nov 2025
- mParticle since May 2026
Previously used
- New Relic May 2024 to Jun 2025 · 1 yr
- Mautic Jan 2024 to Sep 2024 · 8 mo
- Polyfill Feb 2022 to Jun 2024 · 2 yrs
- Pinterest Conversion Tag Dec 2021 to Apr 2024 · 2 yrs
- MailChimp Aug 2022 to Sep 2023 · 1 yr
- Amplitude Jun 2020 to Aug 2023 · 3 yrs
- Amazon ALB Apr 2022 to Jun 2023 · 1 yr
- Pingdom Jul 2021 to Jun 2023 · 1 yr
- Google Remarketing Tag Jul 2021 to May 2022 · 10 mo
- AdRoll Feb 2019 to Apr 2022 · 3 yrs
- AdRoll CMP System Dec 2021 to Apr 2022 · 4 mo
- Emotion Jul 2021 to Apr 2022 · 9 mo
- Twitter Ads Dec 2021 to Apr 2022 · 4 mo
- Twitter Analytics Dec 2021 to Apr 2022 · 4 mo
- Smash Balloon Instagram Feed Mar 2022 to Mar 2022 · 1 mo
- Salesforce Oct 2021 to Jan 2022 · 3 mo
- Salesforce Service Cloud Oct 2021 to Jan 2022 · 3 mo
- Snap Pixel Dec 2021 to Dec 2021 · 1 mo
- Profitwell Oct 2021 to Nov 2021 · 1 mo
- Wheelio Sep 2021 to Oct 2021 · 1 mo
- HubSpot Cookie Aug 2021 to Aug 2021 · 1 mo
- TinyMCE Oct 2020 to Jan 2021 · 3 mo
- YouTube Aug 2019 to Nov 2020 · 1 yr
- Express Jan 2019 to May 2020 · 1 yr
- Leaflet Sep 2018 to Apr 2019 · 7 mo
Timeline
2026 1 added
- added mParticle May 2026 · Customer data platform
2025 10 added · 1 dropped · 1 switched
- added Datadog Sep 2025 · Analytics
- added Microsoft 365 Sep 2025 · Webmail
- added Amazon Advertising Aug 2025 · Advertising
- added Amazon Webstore Aug 2025 · Ecommerce
- dropped New Relic Aug 2025 · RUM
- added Nextdoor Ads Jul 2025 · Advertising
- added APPLOVIN Apr 2025 · Advertising
- switched Pinterest Conversion Tag Sprig Apr 2025 · Analytics
- added TrustArc Mar 2025 · Cookie compliance
- added Rokt Feb 2025 · Personalisation
- added Tradedoubler Feb 2025 · Affiliate programs
- added Reddit Ads Jan 2025 · Advertising
2024 4 added · 3 dropped · 1 switched
- dropped Mautic Nov 2024 · Marketing automation
- added Mautic Sep 2024 · Marketing automation
- added AppNexus Aug 2024 · Advertising
- dropped Polyfill Aug 2024 · JavaScript libraries
- added Tatari Aug 2024 · Advertising
- added New Relic May 2024 · RUM
- dropped Mautic Mar 2024 · Marketing automation
- switched MailChimp Mautic Jan 2024 · Marketing automation
2023 5 added · 3 dropped · 3 switched
- added Impact Dec 2023 · Affiliate programs
- dropped Amazon ALB Aug 2023 · Load balancers
- dropped Amazon Web Services Aug 2023 · PaaS
- switched Amplitude LogRocket Jul 2023 · Analytics
- switched Pingdom Pingdom RUM Jul 2023 · RUM
- added Polyfill May 2023 · JavaScript libraries
- dropped Polyfill Apr 2023 · JavaScript libraries
- added Stripe Apr 2023 · Payment processors
- switched Smash Balloon Instagram Feed Formidable Form Mar 2023 · WordPress plugins
- added HubSpot Chat Mar 2023 · Live chat
- added Apple iCloud Mail Jan 2023 · Webmail
2022 32 added · 13 dropped · 1 switched
- dropped AdRoll Dec 2022 · Retargeting
- dropped AdRoll CMP System Dec 2022 · Cookie compliance
- dropped Emotion Dec 2022 · JavaScript frameworks
- dropped Google Remarketing Tag Dec 2022 · Retargeting
- dropped Pinterest Conversion Tag Dec 2022 · Analytics
- added RSS Dec 2022 · Miscellaneous
- dropped Twitter Ads Dec 2022 · Advertising
- dropped Twitter Analytics Dec 2022 · Analytics
- dropped Envoy Nov 2022 · Reverse proxies
- dropped Snap Pixel Nov 2022 · Advertising
- added HSTS Sep 2022 · Security
- added TVSquared Sep 2022 · Advertising
- added Amazon ALB Aug 2022 · Load balancers
- added Amazon Web Services Aug 2022 · PaaS
- added Amplitude Aug 2022 · Analytics
- added Braze Aug 2022 · Analytics
- added DocuSign Aug 2022 · Miscellaneous
- added Everflow Aug 2022 · Analytics
- added Headless UI Aug 2022 · UI frameworks
- added MailChimp Aug 2022 · Marketing automation
- added Microsoft Advertising Aug 2022 · Advertising
- added Moment.js Aug 2022 · JavaScript libraries
- added Next.js Aug 2022 · Web frameworks
- added Node.js Aug 2022 · Programming languages
- added Pingdom Aug 2022 · RUM
- added Polyfill Aug 2022 · JavaScript libraries
- added Rakuten Aug 2022 · Affiliate programs
- added Rakuten Advertising Aug 2022 · Advertising
- added Ruby Aug 2022 · Programming languages
- added Ruby on Rails Aug 2022 · Web frameworks
- added Segment Aug 2022 · Customer data platform
- added Zendesk Aug 2022 · Issue trackers
- added Headless UI Jul 2022 · UI frameworks
- added Everflow Jun 2022 · Analytics
- added Amazon ALB Apr 2022 · Load balancers
- added Amazon Web Services Apr 2022 · PaaS
- added cdnjs Mar 2022 · CDN
- dropped Lodash Mar 2022 · JavaScript libraries
- dropped Salesforce Mar 2022 · CRM
- dropped Salesforce Service Cloud Mar 2022 · CRM
- added Amobee Feb 2022 · Advertising
- switched Profitwell Braze Feb 2022 · Analytics
- added Cloudflare Network Error Logging Feb 2022 · Issue trackers
- added LazySizes Feb 2022 · JavaScript libraries
- added Polyfill Feb 2022 · JavaScript libraries
- dropped Braze Jan 2022 · Analytics
2021 30 added · 7 dropped
- added Lodash Dec 2021 · JavaScript libraries
- added Next.js Dec 2021 · Web servers
- added Node.js Dec 2021 · Programming languages
- dropped Wheelio Dec 2021 · Widgets
- added Envoy Nov 2021 · Reverse proxies
- added Cloudflare Bot Management Oct 2021 · Security
- dropped HubSpot Cookie Oct 2021 · Cookie compliance
- added Profitwell Oct 2021 · Analytics
- added Rakuten Oct 2021 · Affiliate programs
- added Rakuten Advertising Oct 2021 · Advertising
- added Salesforce Oct 2021 · CRM
- added Salesforce Service Cloud Oct 2021 · CRM
- added core-js Sep 2021 · JavaScript libraries
- added FullStory Sep 2021 · Analytics
- added Wheelio Sep 2021 · Widgets
- added HubSpot Cookie Aug 2021 · Cookie compliance
- added Emotion Jul 2021 · Development
- added Facebook Pixel Jul 2021 · Analytics
- added Google Ads Conversion Tracking Jul 2021 · Analytics
- added Google Remarketing Tag Jul 2021 · Retargeting
- added Moment.js Jul 2021 · JavaScript libraries
- added Pingdom Jul 2021 · RUM
- added Ruby Jul 2021 · Programming languages
- added Ruby on Rails Jul 2021 · Web frameworks
- added TikTok Pixel Jul 2021 · Analytics
- added HubSpot CMS Hub Jun 2021 · CMS
- added Zendesk May 2021 · Live chat
- dropped Moment.js Mar 2021 · JavaScript libraries
- dropped Ruby Mar 2021 · Programming languages
- dropped Ruby on Rails Mar 2021 · Web frameworks
- dropped TinyMCE Mar 2021 · Rich text editors
- added Branch Feb 2021 · Marketing automation
- added Braze Feb 2021 · Marketing automation
- added HubSpot Analytics Feb 2021 · Analytics
- added Linkedin Insight Tag Feb 2021 · Analytics
- added Microsoft Advertising Feb 2021 · Analytics
- dropped YouTube Jan 2021 · Video players
2020 6 added · 4 dropped
- added TinyMCE Oct 2020 · Rich text editors
- dropped Express Aug 2020 · Web frameworks
- added Matomo Analytics Aug 2020 · Analytics
- dropped Node.js Aug 2020 · Programming languages
- dropped Zendesk Aug 2020 · CMS
- added Amplitude Jun 2020 · Analytics
- added YouTube Jun 2020 · Video players
- dropped AdRoll Mar 2020 · Advertising Networks
- added WP Engine Mar 2020 · PaaS
- added Zendesk Mar 2020 · CMS
2019 27 added · 3 dropped
- dropped YouTube Nov 2019 · Video Players
- dropped WP Engine Oct 2019 · PaaS
- added Segment Aug 2019 · Analytics
- added YouTube Aug 2019 · Video Players
- dropped Leaflet Jun 2019 · Maps
- added WP Engine May 2019 · PaaS
- added AdRoll Mar 2019 · Advertising Networks
- added Animate.css Mar 2019 · Web Frameworks
- added Bootstrap Mar 2019 · Web Frameworks
- added Express Mar 2019 · Web Frameworks
- added Font Awesome Mar 2019 · Font Scripts
- added Google Font API Mar 2019 · Font Scripts
- added HubSpot Mar 2019 · Marketing Automation
- added jQuery Migrate Mar 2019 · JavaScript Libraries
- added jQuery UI Mar 2019 · JavaScript Libraries
- added Leaflet Mar 2019 · Maps
- added Matomo Mar 2019 · Analytics
- added Modernizr Mar 2019 · JavaScript Libraries
- added Moment.js Mar 2019 · JavaScript Libraries
- added MySQL Mar 2019 · Databases
- added Node.js Mar 2019 · Programming Languages
- added OWL Carousel Mar 2019 · Widgets
- added PHP Mar 2019 · Programming Languages
- added Ruby Mar 2019 · Programming Languages
- added Ruby on Rails Mar 2019 · Web Frameworks
- added Slick Mar 2019 · JavaScript Libraries
- added Twitter Emoji (Twemoji) Mar 2019 · Miscellaneous
- added WordPress Mar 2019 · Blogs
- added Yoast SEO Mar 2019 · SEO
- added AdRoll Feb 2019 · Advertising Networks
2018 3 added
- added Leaflet Sep 2018 · Maps
- added OWL Carousel Sep 2018 · Widgets
- added Webpack Jul 2018 · Miscellaneous