Technology history for usps.com
Stack size over time
From 3 detected technologies in Apr 2018 to 127 in Jun 2026 (peak 128).
Currently detected
- RequireJS since Apr 2018
- jQuery since Apr 2018
- Modernizr since Apr 2018
- Google Tag Manager since Jun 2018
- Java since Jun 2018
- Java Servlet since Jun 2018
- Google Analytics since Jun 2018
- Underscore.js since Aug 2018
- IIS since Aug 2018
- Segment since Aug 2018
- Google Font API since Aug 2018
- Twitter Emoji (Twemoji) since Aug 2018
- Font Awesome since Aug 2018
- Dojo since Aug 2018
- Facebook since Aug 2018
- Drupal since Aug 2018
- Google Analytics Enhanced eCommerce since Aug 2018
- MySQL since Aug 2018
- Nginx since Aug 2018
- Oracle Commerce since Aug 2018
- PHP since Aug 2018
- AddThis since Aug 2018
- Apache HTTP Server since Aug 2018
- Angular since Aug 2018
- Bootstrap since Aug 2018
- ArcGIS API for JavaScript since Aug 2018
- jQuery UI since Aug 2018
- KineticJS since Aug 2018
- jQuery Migrate since Aug 2018
- Lightbox since Aug 2018
- Microsoft ASP.NET since Aug 2018
- Webpack since Aug 2018
- Webtrends since Aug 2018
- Windows Server since Aug 2018
- WordPress since Aug 2018
- Yoast SEO since Aug 2018
- Zone.js since Aug 2018
- Akamai since Sep 2018
- Kampyle since Oct 2018
- DataTables since Dec 2018
- GSAP since Jan 2019
- AngularJS since Jan 2019
- Lodash since Jan 2019
- Clipboard.js since Mar 2019
- WP Engine since May 2019
- AppNexus since Sep 2019
- Babel since Mar 2020
- Vue.js since Mar 2020
- Plyr since Jul 2020
- parcel since Jul 2020
- Moment.js since Jul 2020
- EdgeCast since Aug 2020
- Azure CDN since Aug 2020
- Cart Functionality since Aug 2020
- Microsoft HTTPAPI since Oct 2020
- Google Optimize since Feb 2021
- Okta since Feb 2021
- Twitter Ads since Apr 2021
- Twitter Analytics since Apr 2021
- Microsoft Advertising since Apr 2021
- TypeScript since Jun 2021
- Facebook Pixel since Jun 2021
- Pinterest Conversion Tag since Jun 2021
- Select2 since Jul 2021
- core-js since Aug 2021
- Medallia since Aug 2021
- Wheelio since Sep 2021
- Azure since Oct 2021
- Cloudflare Bot Management since Oct 2021
- Cloudflare since Oct 2021
- Reddit Ads since Nov 2021
- Google Ads Conversion Tracking since Nov 2021
- Google Hosted Libraries since Feb 2022
- Twenty Fourteen since Feb 2022
- Contact Form 7 since Feb 2022
- Formidable Form since Feb 2022
- Amobee since Feb 2022
- MonsterInsights since Feb 2022
- Popper since Apr 2022
- Adobe Audience Manager since Apr 2022
- React since Jun 2022
- HCL Digital Experience since Aug 2022
- styled-components since Aug 2022
- PWA since Aug 2022
- DocuSign since Aug 2022
- Microsoft 365 since Aug 2022
- Amazon CloudFront since Aug 2022
- Amazon S3 since Aug 2022
- Bootstrap Icons since Aug 2022
- Amazon Web Services since Aug 2022
- HSTS since Sep 2022
- Open Graph since Sep 2022
- Microsoft Clarity since Sep 2022
- Salesforce Desk since Oct 2022
- Aura since Oct 2022
- RSS since Dec 2022
- SWC since Dec 2022
- theTradeDesk since Dec 2022
- Linkedin Insight Tag since Feb 2023
- Python since Jun 2023
- gunicorn since Jun 2023
- Django since Jun 2023
- Apple iCloud Mail since Nov 2023
- Amazon Webstore since Nov 2023
- Amazon Advertising since Nov 2023
- Oracle WebLogic Server since Jan 2024
- Oracle Dynamic Monitoring Service since Jan 2024
- Responsive Lightbox & Gallery since Feb 2024
- Priority Hints since Feb 2024
- MailChimp since Feb 2024
- MailChimp for WordPress since Feb 2024
- HTTP/3 since Jul 2024
- D3 since Jul 2024
- NVD3 since Jul 2024
- Azure Front Door since Jul 2024
- Snowplow Analytics since Nov 2024
- LiveRamp DPM since Nov 2024
- web-vitals since Jan 2025
- Prism since Feb 2025
- MediaElement.js since Apr 2025
- Ace since Apr 2025
- Akamai Bot Manager since Jul 2025
- Moneris since Sep 2025
- Microsoft Visual Studio since Oct 2025
- ReDoc since Dec 2025
- MobX since Dec 2025
- jsDelivr since Dec 2025
Previously used
- reCAPTCHA Feb 2019 to Jan 2026 · 6 yrs
- Hammer.js Jan 2025 to Jul 2025 · 6 mo
- Google Cloud Apr 2024 to Dec 2024 · 8 mo
- Google Cloud CDN Apr 2024 to Dec 2024 · 8 mo
- Nextdoor Ads Sep 2024 to Dec 2024 · 3 mo
- OpenSSL Feb 2019 to Dec 2024 · 5 yrs
- Red Hat Apr 2021 to Dec 2024 · 3 yrs
- YouTube Nov 2024 to Dec 2024 · 1 mo
- MochiKit Jan 2019 to Jul 2024 · 5 yrs
- Prototype Jan 2019 to Jul 2024 · 5 yrs
- Moat Feb 2021 to May 2023 · 2 yrs
- C Feb 2023 to Feb 2023 · 1 mo
- Rust Dec 2022 to Feb 2023 · 2 mo
- Google Remarketing Tag Jul 2021 to May 2022 · 10 mo
- Tailwind CSS Apr 2022 to Apr 2022 · 1 mo
- Snap Pixel Nov 2021 to Feb 2022 · 3 mo
- Zipkin Jul 2020 to Feb 2021 · 7 mo
- CentOS Feb 2019 to Jan 2021 · 1 yr
- Oracle HTTP Server Aug 2018 to Jun 2020 · 1 yr
- Twitter typeahead.js Jan 2019 to Jan 2019 · 1 mo
Timeline
2026 3 added · 3 dropped
- added LiveRamp DPM Mar 2026 · Advertising
- dropped reCAPTCHA Mar 2026 · Security
- added Snowplow Analytics Mar 2026 · Analytics
- added Twitter Emoji (Twemoji) Mar 2026 · Font scripts
- dropped LiveRamp DPM Feb 2026 · Advertising
- dropped Snowplow Analytics Feb 2026 · Analytics
2025 9 added · 8 dropped · 1 switched
- added jsDelivr Dec 2025 · CDN
- switched Hammer.js MobX Dec 2025 · JavaScript libraries
- added ReDoc Dec 2025 · Documentation
- added Moneris Sep 2025 · Payment processors
- added Akamai Jul 2025 · CDN
- added Akamai Bot Manager Jul 2025 · Security
- added LiveRamp DPM Apr 2025 · Advertising
- added Snowplow Analytics Apr 2025 · Analytics
- dropped Google Cloud Feb 2025 · IaaS
- dropped Google Cloud CDN Feb 2025 · CDN
- dropped LiveRamp DPM Feb 2025 · Advertising
- dropped Nextdoor Ads Feb 2025 · Advertising
- dropped OpenSSL Feb 2025 · Web server extensions
- dropped Red Hat Feb 2025 · Operating systems
- dropped Snowplow Analytics Feb 2025 · Analytics
- dropped YouTube Feb 2025 · Video players
- added Hammer.js Jan 2025 · JavaScript libraries
- added web-vitals Jan 2025 · JavaScript libraries
2024 12 added · 4 dropped
- added LiveRamp DPM Nov 2024 · Advertising
- added OpenSSL Nov 2024 · Web server extensions
- added Red Hat Nov 2024 · Operating systems
- added Snowplow Analytics Nov 2024 · Analytics
- added YouTube Nov 2024 · Video players
- dropped MochiKit Sep 2024 · JavaScript libraries
- added Nextdoor Ads Sep 2024 · Advertising
- dropped Prototype Sep 2024 · JavaScript frameworks
- added HTTP/3 Jul 2024 · Miscellaneous
- added Google Cloud Apr 2024 · IaaS
- added Google Cloud CDN Apr 2024 · CDN
- added Select2 Apr 2024 · JavaScript libraries
- dropped OpenSSL Mar 2024 · Web server extensions
- dropped Red Hat Mar 2024 · Operating systems
- added OpenSSL Jan 2024 · Web server extensions
- added Red Hat Jan 2024 · Operating systems
2023 5 added · 8 dropped · 1 switched
- added Amazon Advertising Nov 2023 · Advertising
- added Amazon Webstore Nov 2023 · Ecommerce
- added Apple iCloud Mail Nov 2023 · Webmail
- dropped OpenSSL Nov 2023 · Web server extensions
- dropped Red Hat Nov 2023 · Operating systems
- added theTradeDesk Nov 2023 · Advertising
- dropped Moat Jul 2023 · Analytics
- dropped Twitter Emoji (Twemoji) Jul 2023 · Font scripts
- dropped Select2 May 2023 · JavaScript libraries
- dropped C Apr 2023 · Programming languages
- dropped theTradeDesk Mar 2023 · Advertising
- switched Rust C Feb 2023 · Programming languages
- dropped Google Remarketing Tag Feb 2023 · Retargeting
- added Linkedin Insight Tag Feb 2023 · Analytics
2022 63 added · 2 dropped · 1 switched
- added RSS Dec 2022 · Miscellaneous
- added Rust Dec 2022 · Programming languages
- added SWC Dec 2022 · Miscellaneous
- added theTradeDesk Dec 2022 · Advertising
- added Aura Oct 2022 · UI frameworks
- added Salesforce Desk Oct 2022 · CRM
- added HSTS Sep 2022 · Security
- added Microsoft Clarity Sep 2022 · Analytics
- added Open Graph Sep 2022 · Miscellaneous
- added AddThis Aug 2022 · Widgets
- switched Snap Pixel Amobee Aug 2022 · Advertising
- added Angular Aug 2022 · JavaScript frameworks
- added Apache HTTP Server Aug 2022 · Web servers
- added ArcGIS API for JavaScript Aug 2022 · Maps
- added Babel Aug 2022 · Miscellaneous
- added Bootstrap Icons Aug 2022 · Font scripts
- added Clipboard.js Aug 2022 · JavaScript libraries
- added Contact Form 7 Aug 2022 · WordPress plugins
- added DocuSign Aug 2022 · Miscellaneous
- added Drupal Aug 2022 · CMS
- added Formidable Form Aug 2022 · WordPress plugins
- added HCL Digital Experience Aug 2022 · CMS
- added KineticJS Aug 2022 · JavaScript graphics
- added Lightbox Aug 2022 · JavaScript libraries
- added Microsoft 365 Aug 2022 · Webmail
- added Microsoft HTTPAPI Aug 2022 · Web servers
- added Moat Aug 2022 · Analytics
- added MochiKit Aug 2022 · JavaScript libraries
- added MonsterInsights Aug 2022 · WordPress plugins
- added MySQL Aug 2022 · Databases
- added Nginx Aug 2022 · Web servers
- added Okta Aug 2022 · Authentication
- added OpenSSL Aug 2022 · Web server extensions
- added parcel Aug 2022 · Miscellaneous
- added Plyr Aug 2022 · Video players
- added Popper Aug 2022 · Miscellaneous
- added Prototype Aug 2022 · JavaScript frameworks
- added PWA Aug 2022 · Miscellaneous
- added React Aug 2022 · JavaScript frameworks
- added reCAPTCHA Aug 2022 · Security
- added Red Hat Aug 2022 · Operating systems
- added Segment Aug 2022 · Customer data platform
- added Select2 Aug 2022 · JavaScript libraries
- added Twenty Fourteen Aug 2022 · WordPress themes
- added Twitter Emoji (Twemoji) Aug 2022 · Font scripts
- added TypeScript Aug 2022 · Programming languages
- added Webpack Aug 2022 · Miscellaneous
- added WordPress Aug 2022 · CMS
- added WP Engine Aug 2022 · PaaS
- added Yoast SEO Aug 2022 · WordPress plugins
- added Zone.js Aug 2022 · JavaScript frameworks
- added React Jun 2022 · JavaScript frameworks
- dropped Tailwind CSS Jun 2022 · UI frameworks
- added Adobe Audience Manager Apr 2022 · Segmentation
- added OpenSSL Apr 2022 · Web server extensions
- added Popper Apr 2022 · Miscellaneous
- added Red Hat Apr 2022 · Operating systems
- added Select2 Apr 2022 · JavaScript libraries
- added Tailwind CSS Apr 2022 · UI frameworks
- dropped Select2 Mar 2022 · JavaScript libraries
- added Amobee Feb 2022 · Advertising
- added Contact Form 7 Feb 2022 · WordPress plugins
- added Formidable Form Feb 2022 · Surveys
- added Google Hosted Libraries Feb 2022 · CDN
- added MonsterInsights Feb 2022 · Analytics
- added Twenty Fourteen Feb 2022 · WordPress themes
2021 29 added · 15 dropped · 1 switched
- added Google Ads Conversion Tracking Nov 2021 · Analytics
- added Reddit Ads Nov 2021 · Advertising
- added Snap Pixel Nov 2021 · Advertising
- added Yoast SEO Nov 2021 · SEO
- added Azure Oct 2021 · PaaS
- added Cloudflare Oct 2021 · CDN
- added Cloudflare Bot Management Oct 2021 · Security
- dropped Yoast SEO Oct 2021 · SEO
- dropped Lodash Sep 2021 · JavaScript libraries
- dropped Vue.js Sep 2021 · JavaScript frameworks
- added Wheelio Sep 2021 · Widgets
- added core-js Aug 2021 · JavaScript libraries
- added Medallia Aug 2021 · Analytics
- dropped Underscore.js Aug 2021 · JavaScript libraries
- added Babel Jul 2021 · Miscellaneous
- added Google Remarketing Tag Jul 2021 · Retargeting
- dropped OpenSSL Jul 2021 · Web server extensions
- added parcel Jul 2021 · Miscellaneous
- dropped Red Hat Jul 2021 · Operating systems
- added Select2 Jul 2021 · JavaScript libraries
- added Twitter Emoji (Twemoji) Jul 2021 · Font scripts
- added Angular Jun 2021 · JavaScript frameworks
- added Facebook Pixel Jun 2021 · Analytics
- added Pinterest Conversion Tag Jun 2021 · Analytics
- added TypeScript Jun 2021 · Programming languages
- added Webpack Jun 2021 · Miscellaneous
- added Zone.js Jun 2021 · JavaScript frameworks
- added Lodash Apr 2021 · JavaScript libraries
- added Microsoft Advertising Apr 2021 · Analytics
- added OpenSSL Apr 2021 · Web server extensions
- switched CentOS Red Hat Apr 2021 · Operating systems
- added Twitter Ads Apr 2021 · Advertising
- added Twitter Analytics Apr 2021 · Analytics
- dropped Zipkin Apr 2021 · Analytics
- dropped Angular Mar 2021 · JavaScript frameworks
- dropped Babel Mar 2021 · Miscellaneous
- dropped Lodash Mar 2021 · JavaScript libraries
- dropped OpenSSL Mar 2021 · Web server extensions
- dropped parcel Mar 2021 · Miscellaneous
- dropped Twitter Emoji (Twemoji) Mar 2021 · Miscellaneous
- dropped Webpack Mar 2021 · Miscellaneous
- dropped Zone.js Mar 2021 · JavaScript frameworks
- added Google Optimize Feb 2021 · A/B Testing
- added Moat Feb 2021 · Analytics
- added Okta Feb 2021 · Miscellaneous
2020 9 added · 2 dropped · 1 switched
- dropped Akamai Oct 2020 · CDN
- switched Oracle HTTP Server Microsoft HTTPAPI Oct 2020 · Web servers
- added Azure CDN Aug 2020 · CDN
- added Cart Functionality Aug 2020 · Ecommerce
- added EdgeCast Aug 2020 · CDN
- dropped Twitter typeahead.js Aug 2020 · JavaScript Libraries
- added Moment.js Jul 2020 · JavaScript libraries
- added parcel Jul 2020 · Miscellaneous
- added Plyr Jul 2020 · Video players
- added Zipkin Jul 2020 · Analytics
- added Babel Mar 2020 · Miscellaneous
- added Vue.js Mar 2020 · JavaScript Frameworks
2019 34 added
- added AppNexus Sep 2019 · Advertising Networks
- added WP Engine May 2019 · PaaS
- added AddThis Mar 2019 · Widgets
- added Angular Mar 2019 · JavaScript Frameworks
- added Apache HTTP Server Mar 2019 · Web Servers
- added ArcGIS API for JavaScript Mar 2019 · Maps
- added CentOS Mar 2019 · Operating Systems
- added Clipboard.js Mar 2019 · Miscellaneous
- added DataTables Mar 2019 · JavaScript Libraries
- added Drupal Mar 2019 · CMS
- added Google Font API Mar 2019 · Font Scripts
- added jQuery Migrate Mar 2019 · JavaScript Libraries
- added KineticJS Mar 2019 · JavaScript Graphics
- added Lightbox Mar 2019 · JavaScript Libraries
- added Lodash Mar 2019 · JavaScript Libraries
- added MochiKit Mar 2019 · JavaScript Libraries
- added MySQL Mar 2019 · Databases
- added Nginx Mar 2019 · Web Servers
- added OpenSSL Mar 2019 · Web Server Extensions
- added Oracle HTTP Server Mar 2019 · Web Servers
- added PHP Mar 2019 · Programming Languages
- added Prototype Mar 2019 · JavaScript Frameworks
- added reCAPTCHA Mar 2019 · Captchas
- added Segment Mar 2019 · Analytics
- added Twitter Emoji (Twemoji) Mar 2019 · Miscellaneous
- added Underscore.js Mar 2019 · JavaScript Libraries
- added Webpack Mar 2019 · Miscellaneous
- added Webtrends Mar 2019 · Analytics
- added WordPress Mar 2019 · Blogs
- added Yoast SEO Mar 2019 · SEO
- added Zone.js Mar 2019 · JavaScript Frameworks
- added CentOS Feb 2019 · Operating Systems
- added OpenSSL Feb 2019 · Web Server Extensions
- added Lodash Jan 2019 · JavaScript Libraries
2018 7 added
- added DataTables Dec 2018 · JavaScript Libraries
- added Kampyle Oct 2018 · Issue Trackers
- added Akamai Sep 2018 · CDN
- added Google Analytics Jun 2018 · Analytics
- added Google Tag Manager Jun 2018 · Tag Managers
- added Java Jun 2018 · Programming Languages
- added Java Servlet Jun 2018 · Web Frameworks