Technology history for forever21.com
Stack size over time
From 5 detected technologies in Apr 2018 to 134 in Jun 2026 (peak 137).
Currently detected
- jQuery since Apr 2018
- jQuery UI since Apr 2018
- Moment.js since Apr 2018
- OWL Carousel since Apr 2018
- Google Tag Manager since Apr 2018
- Bold Chat since Jun 2018
- Bounce Exchange since Jun 2018
- Hotjar since Jun 2018
- IIS since Jun 2018
- Google Analytics Enhanced eCommerce since Jun 2018
- Criteo since Jun 2018
- Google Analytics since Jun 2018
- Facebook since Jun 2018
- Microsoft ASP.NET since Jun 2018
- New Relic since Jun 2018
- Windows Server since Jun 2018
- AddThis since Aug 2018
- FancyBox since Aug 2018
- Nginx since Aug 2018
- Varnish since Aug 2018
- Typekit since Aug 2018
- VWO since Jan 2019
- Segment since Feb 2019
- Google Font API since Mar 2019
- MySQL since Feb 2020
- PHP since Feb 2020
- Twitter Emoji (Twemoji) since Feb 2020
- WordPress since Feb 2020
- Yoast SEO since Feb 2020
- WP Engine since Jul 2020
- Cart Functionality since Aug 2020
- Global-e since Aug 2020
- OneTrust since Aug 2020
- UsableNet since Aug 2020
- Apple Pay since Sep 2020
- Cloudflare since Sep 2020
- American Express since Sep 2020
- Modernizr since Sep 2020
- Google Pay since Sep 2020
- Select2 since Sep 2020
- Shop Pay since Sep 2020
- Shopify since Sep 2020
- Venmo since Sep 2020
- Visa since Sep 2020
- reCAPTCHA since Nov 2020
- Salesforce Commerce Cloud since Nov 2020
- Webpack since Nov 2020
- Branch since Feb 2021
- Dynamic Yield since Feb 2021
- Microsoft Advertising since Feb 2021
- Salesforce since Feb 2021
- Salesforce Service Cloud since Feb 2021
- Wunderkind since Feb 2021
- Facebook Pixel since Jun 2021
- Pinterest Conversion Tag since Jun 2021
- TikTok Pixel since Jun 2021
- Twitter Ads since Jun 2021
- Attentive since Jul 2021
- Mapbox GL JS since Jul 2021
- Movable Ink since Jul 2021
- core-js since Aug 2021
- Quantum Metric since Sep 2021
- Cloudflare Bot Management since Oct 2021
- Reddit Ads since Dec 2021
- theTradeDesk since Dec 2021
- AppNexus since Feb 2022
- jQuery CDN since Feb 2022
- Microsoft Clarity since Feb 2022
- LazySizes since Feb 2022
- Microsoft Ajax Content Delivery Network since Feb 2022
- Bloomreach Discovery since Apr 2022
- Adobe Audience Manager since Apr 2022
- Tailwind CSS since Apr 2022
- Astra since Jun 2022
- Boomerang since Aug 2022
- Mastercard since Aug 2022
- DocuSign since Aug 2022
- PayPal since Aug 2022
- Plausible since Aug 2022
- HSTS since Sep 2022
- Open Graph since Sep 2022
- Pixlee TurnTo since Sep 2022
- HTTP/3 since Sep 2022
- Cloudflare Rocket Loader since Oct 2022
- LiveIntent since Oct 2022
- Bluecore since Nov 2022
- Java since Dec 2022
- iGoDigital since Dec 2022
- Apple iCloud Mail since Jan 2023
- Google Hosted Libraries since Jan 2023
- Growave since Jan 2023
- Google Sign-in since Jan 2023
- POWR since Jan 2023
- Shopify Product Reviews since Jan 2023
- Slick since Jan 2023
- Zendesk since Jan 2023
- Google Cloud CDN since Mar 2023
- Google Cloud since Mar 2023
- Amazon ALB since Apr 2023
- Amazon Web Services since Apr 2023
- Braintree since May 2023
- VideoJS since May 2023
- Leaflet since Jun 2023
- Mapbox.js since Jun 2023
- Yext since Jul 2023
- cdnjs since Sep 2023
- Swiper since Sep 2023
- Stylitics since Oct 2023
- Svelte since Oct 2023
- Impact since Mar 2024
- Mailgun since Mar 2024
- Gladly since May 2024
- Snowplow Analytics since May 2024
- Salesforce Interaction Studio since Jun 2024
- GetFeedback since Aug 2024
- Blotout EdgeTag since Sep 2024
- PWA since Sep 2024
- Vue.js since Oct 2024
- Klaviyo since May 2025
- Priority Hints since May 2025
- Tapcart since May 2025
- Datadog since Jun 2025
- Stripe since Jun 2025
- Vite since Jun 2025
- Amazon Pay since Aug 2025
- lit-element since Aug 2025
- lit-html since Aug 2025
- Amazon S3 since Sep 2025
- Klarna Checkout since Sep 2025
- Gorgias since Oct 2025
- React since Oct 2025
- Stamped since Oct 2025
- Emotion since Nov 2025
- Preact since May 2026
Previously used
- Unpkg May 2025 to Dec 2025 · 7 mo
- OpenResty Jun 2025 to Nov 2025 · 5 mo
- AdRoll Sep 2025 to Oct 2025 · 1 mo
- AdRoll CMP System Sep 2025 to Oct 2025 · 1 mo
- Bootstrap Sep 2025 to Oct 2025 · 1 mo
- UserWay May 2025 to Jul 2025 · 2 mo
- Cloudflare Browser Insights Feb 2021 to Apr 2025 · 4 yrs
- Mautic Jan 2024 to Sep 2024 · 8 mo
- Day.js Sep 2023 to Feb 2024 · 5 mo
- Yottaa May 2023 to May 2023 · 1 mo
- Bolt Payments Feb 2022 to Dec 2022 · 10 mo
- Optimizely Jun 2021 to Dec 2022 · 1 yr
- True Fit Oct 2021 to Dec 2022 · 1 yr
- Google Ads Conversion Tracking Jul 2021 to Sep 2022 · 1 yr
- TurnTo Feb 2022 to Jun 2022 · 4 mo
- Choices Feb 2021 to May 2022 · 1 yr
- Twitter Analytics Jun 2021 to Apr 2022 · 10 mo
- Bloomreach Search & Merchandising Feb 2021 to Mar 2022 · 1 yr
- Snap Pixel Jul 2021 to Feb 2022 · 7 mo
- Salesforce Audience Studio Aug 2021 to Jan 2022 · 5 mo
- Afterpay Jun 2021 to Dec 2021 · 6 mo
- Wheelio Sep 2021 to Oct 2021 · 1 mo
- Google Maps Dec 2020 to Jun 2021 · 6 mo
- Handlebars Dec 2020 to Jun 2021 · 6 mo
- Polyfill Dec 2020 to Jun 2021 · 6 mo
- TrackJs May 2021 to Jun 2021 · 1 mo
- Pixlee Feb 2021 to May 2021 · 3 mo
- Quantcast Measure Oct 2020 to May 2021 · 7 mo
- Font Awesome Oct 2019 to Jan 2021 · 1 yr
- Gravatar Feb 2020 to Jan 2021 · 11 mo
- Mixpanel Dec 2020 to Jan 2021 · 1 mo
- Quantcast Choice Oct 2020 to Jan 2021 · 3 mo
- jQuery Migrate Feb 2020 to Nov 2020 · 9 mo
- Riskified Mar 2020 to Oct 2020 · 7 mo
- Swiper Slider Aug 2020 to Oct 2020 · 2 mo
- Sentry May 2020 to Sep 2020 · 4 mo
- Lodash Jun 2020 to Jul 2020 · 1 mo
- Akamai Nov 2018 to May 2020 · 1 yr
- Amplitude Apr 2019 to Aug 2019 · 4 mo
- Ubuntu Aug 2018 to Jun 2019 · 10 mo
Timeline
2026 5 added · 4 dropped
- added Tailwind CSS Jun 2026 · UI frameworks
- added Tapcart Jun 2026 · Miscellaneous
- added Klaviyo May 2026 · Marketing automation
- added Preact May 2026 · JavaScript libraries
- added Emotion Apr 2026 · JavaScript frameworks
- dropped Tapcart Feb 2026 · Miscellaneous
- dropped Unpkg Feb 2026 · CDN
- dropped Emotion Jan 2026 · JavaScript frameworks
- dropped OpenResty Jan 2026 · Web servers
2025 16 added · 11 dropped · 2 switched
- dropped AdRoll Dec 2025 · Advertising
- dropped AdRoll CMP System Dec 2025 · Cookie compliance
- dropped Bootstrap Dec 2025 · UI frameworks
- added Emotion Nov 2025 · JavaScript frameworks
- added Gorgias Oct 2025 · Live chat
- added React Oct 2025 · JavaScript frameworks
- added Stamped Oct 2025 · Reviews
- switched Snap Pixel AdRoll Sep 2025 · Advertising
- added AdRoll CMP System Sep 2025 · Cookie compliance
- added Amazon S3 Sep 2025 · CDN
- added Bootstrap Sep 2025 · UI frameworks
- added Klarna Checkout Sep 2025 · Payment processors
- dropped Klaviyo Sep 2025 · Marketing automation
- added Microsoft Clarity Sep 2025 · Analytics
- dropped UserWay Sep 2025 · Accessibility
- added Amazon Pay Aug 2025 · Payment processors
- added lit-element Aug 2025 · JavaScript libraries
- added lit-html Aug 2025 · JavaScript libraries
- dropped Afterpay Jul 2025 · Payment processors
- dropped Cloudflare Browser Insights Jul 2025 · RUM
- dropped Google Ads Conversion Tracking Jul 2025 · Analytics
- dropped Optimizely Jul 2025 · A/B Testing
- dropped Salesforce Audience Studio Jul 2025 · Segmentation
- dropped Twitter Analytics Jul 2025 · Analytics
- switched Bloomreach Search & Merchandising Klaviyo May 2025 · Marketing automation
- added Priority Hints May 2025 · Performance
- added Tapcart May 2025 · Miscellaneous
- added Unpkg May 2025 · CDN
- added UserWay May 2025 · Accessibility
2024 9 added · 2 dropped · 1 switched
- switched Mautic Blotout EdgeTag Sep 2024 · Marketing automation
- added GetFeedback Aug 2024 · Issue trackers
- added Salesforce Interaction Studio Jun 2024 · Personalisation
- added Gladly May 2024 · CRM
- added Snowplow Analytics May 2024 · Analytics
- dropped Day.js Apr 2024 · JavaScript libraries
- added Amazon ALB Mar 2024 · Load balancers
- added Amazon Web Services Mar 2024 · PaaS
- added Impact Mar 2024 · Affiliate programs
- added Mailgun Mar 2024 · Email
- dropped Mautic Mar 2024 · Marketing automation
- added Mautic Jan 2024 · Marketing automation
2023 12 added · 10 dropped
- dropped Amazon ALB Oct 2023 · Load balancers
- dropped Amazon Web Services Oct 2023 · PaaS
- dropped Bolt Payments Oct 2023 · Payment processors
- dropped True Fit Oct 2023 · Personalisation
- added Google Cloud Sep 2023 · IaaS
- added Google Cloud CDN Sep 2023 · CDN
- dropped TurnTo Sep 2023 · Reviews
- dropped Google Cloud Aug 2023 · IaaS
- dropped Google Cloud CDN Aug 2023 · CDN
- added Yext Jul 2023 · Search engines
- dropped Yottaa Jul 2023 · Performance
- added Google Cloud Jun 2023 · IaaS
- added Google Cloud CDN Jun 2023 · CDN
- added Leaflet Jun 2023 · Maps
- added Mapbox.js Jun 2023 · Maps
- dropped Google Cloud May 2023 · IaaS
- dropped Google Cloud CDN May 2023 · CDN
- added Amazon ALB Apr 2023 · Load balancers
- added Amazon Web Services Apr 2023 · PaaS
- added Google Cloud Mar 2023 · IaaS
- added Google Cloud CDN Mar 2023 · CDN
- added Apple iCloud Mail Jan 2023 · Webmail
2022 11 added · 4 dropped
- dropped Choices Dec 2022 · Miscellaneous
- added Bluecore Nov 2022 · Marketing automation
- added Cloudflare Rocket Loader Oct 2022 · Performance
- added HSTS Sep 2022 · Security
- added HTTP/3 Sep 2022 · Miscellaneous
- added Open Graph Sep 2022 · Miscellaneous
- added DocuSign Aug 2022 · Miscellaneous
- dropped Tailwind CSS Jun 2022 · UI frameworks
- added Adobe Audience Manager Apr 2022 · Segmentation
- added Bloomreach Discovery Apr 2022 · Search engines
- dropped Microsoft Clarity Apr 2022 · Analytics
- added Tailwind CSS Apr 2022 · UI frameworks
- added Choices Feb 2022 · Miscellaneous
- added Microsoft Ajax Content Delivery Network Feb 2022 · CDN
- dropped Choices Jan 2022 · Miscellaneous
2021 31 added · 16 dropped · 2 switched
- added Reddit Ads Dec 2021 · Advertising
- added theTradeDesk Dec 2021 · Advertising
- dropped Wheelio Dec 2021 · Widgets
- added Choices Nov 2021 · Miscellaneous
- dropped TrackJs Oct 2021 · Analytics
- dropped Choices Sep 2021 · Miscellaneous
- added Quantum Metric Sep 2021 · Analytics
- added Wheelio Sep 2021 · Widgets
- switched Polyfill core-js Aug 2021 · JavaScript libraries
- dropped Handlebars Aug 2021 · JavaScript frameworks
- dropped Pixlee Aug 2021 · Marketing automation
- dropped Quantcast Measure Aug 2021 · Analytics
- added Salesforce Audience Studio Aug 2021 · Segmentation
- added Attentive Jul 2021 · Personalisation
- added Choices Jul 2021 · Miscellaneous
- added Google Ads Conversion Tracking Jul 2021 · Analytics
- switched Google Maps Mapbox GL JS Jul 2021 · Maps
- added Movable Ink Jul 2021 · Personalisation
- added Snap Pixel Jul 2021 · Advertising
- added Afterpay Jun 2021 · Payment processors
- added Cloudflare Browser Insights Jun 2021 · Analytics
- added Facebook Pixel Jun 2021 · Analytics
- added Optimizely Jun 2021 · A/B Testing
- added Pinterest Conversion Tag Jun 2021 · Analytics
- added TikTok Pixel Jun 2021 · Analytics
- added Twitter Ads Jun 2021 · Advertising
- added Twitter Analytics Jun 2021 · Analytics
- added Webpack Jun 2021 · Miscellaneous
- dropped Cloudflare Browser Insights May 2021 · Analytics
- dropped Gravatar May 2021 · Miscellaneous
- added TrackJs May 2021 · Analytics
- dropped Twitter Emoji (Twemoji) May 2021 · Miscellaneous
- dropped Yoast SEO May 2021 · SEO
- dropped Choices Apr 2021 · Miscellaneous
- dropped Font Awesome Mar 2021 · Font scripts
- dropped Mixpanel Mar 2021 · Analytics
- dropped Quantcast Choice Mar 2021 · Cookie compliance
- dropped Webpack Mar 2021 · Miscellaneous
- added Bloomreach Search & Merchandising Feb 2021 · Marketing automation
- added Branch Feb 2021 · Marketing automation
- added Choices Feb 2021 · Miscellaneous
- added Cloudflare Browser Insights Feb 2021 · Analytics
- added Dynamic Yield Feb 2021 · A/B Testing
- added Microsoft Advertising Feb 2021 · Analytics
- added Pixlee Feb 2021 · Marketing automation
- added Salesforce Feb 2021 · CRM
- added Salesforce Service Cloud Feb 2021 · Live chat
- added Wunderkind Feb 2021 · Marketing automation
- dropped jQuery Migrate Jan 2021 · JavaScript libraries
2020 13 added · 6 dropped · 1 switched
- dropped Swiper Slider Dec 2020 · Miscellaneous
- added reCAPTCHA Nov 2020 · Security
- switched Riskified Salesforce Commerce Cloud Nov 2020 · Ecommerce
- dropped Sentry Nov 2020 · Issue trackers
- added Webpack Nov 2020 · Miscellaneous
- added Quantcast Choice Oct 2020 · Cookie compliance
- added Quantcast Measure Oct 2020 · Analytics
- dropped Lodash Sep 2020 · JavaScript libraries
- added Cart Functionality Aug 2020 · Ecommerce
- added Global-e Aug 2020 · Ecommerce
- added OneTrust Aug 2020 · Cookie compliance
- added Swiper Slider Aug 2020 · Miscellaneous
- added UsableNet Aug 2020 · Accessibility
- dropped Akamai Jul 2020 · CDN
- added Lodash Jun 2020 · JavaScript libraries
- added Akamai May 2020 · CDN
- added Sentry May 2020 · Issue trackers
- dropped Akamai Mar 2020 · CDN
- added Riskified Mar 2020 · Ecommerce
- dropped Segment Jan 2020 · Analytics
2019 15 added · 4 dropped
- dropped Amplitude Oct 2019 · Analytics
- added Font Awesome Oct 2019 · Font Scripts
- added Google Font API Sep 2019 · Font Scripts
- dropped Ubuntu Aug 2019 · Operating Systems
- dropped Google Font API May 2019 · Font Scripts
- added Amplitude Apr 2019 · Analytics
- added AddThis Mar 2019 · Widgets
- added Akamai Mar 2019 · CDN
- added FancyBox Mar 2019 · JavaScript Libraries
- added Google Font API Mar 2019 · Font Scripts
- added Nginx Mar 2019 · Web Servers
- added Segment Mar 2019 · Analytics
- added Typekit Mar 2019 · Font Scripts
- added Ubuntu Mar 2019 · Operating Systems
- added Varnish Mar 2019 · Cache Tools
- added Akamai Feb 2019 · CDN
- added Segment Feb 2019 · Analytics
- dropped Akamai Jan 2019 · CDN
- added VWO Jan 2019 · Analytics
2018 13 added · 1 dropped
- added Akamai Nov 2018 · CDN
- added Criteo Sep 2018 · Advertising Networks
- dropped Criteo Aug 2018 · Advertising Networks
- added Bold Chat Jun 2018 · Live Chat
- added Bounce Exchange Jun 2018 · Marketing Automation
- added Criteo Jun 2018 · Advertising Networks
- added Facebook Jun 2018 · Widgets
- added Google Analytics Jun 2018 · Analytics
- added Google Analytics Enhanced eCommerce Jun 2018 · Analytics
- added Hotjar Jun 2018 · Analytics
- added IIS Jun 2018 · Web Servers
- added Microsoft ASP.NET Jun 2018 · Web Frameworks
- added New Relic Jun 2018 · Analytics
- added Windows Server Jun 2018 · Operating Systems