Technology history for checkr.com

2026 2 added · 1 dropped

• dropped LottieFiles May 2026 · Miscellaneous
• added Weglot Mar 2026 · Translation
• added Unpkg Jan 2026 · CDN

2025 6 added · 3 dropped

• added Cloudflare Browser Insights Nov 2025 · Analytics
• added Reddit Ads Oct 2025 · Advertising
• added jQuery UI Jun 2025 · JavaScript libraries
• dropped OpenResty May 2025 · Web servers
• added HockeyStack Apr 2025 · Analytics
• added Qualified Mar 2025 · Live chat
• dropped Canny Feb 2025 · Issue trackers
• dropped Userpilot Feb 2025 · User onboarding
• added LottieFiles Jan 2025 · Miscellaneous

2024 5 added · 3 dropped

• dropped Preact Dec 2024 · JavaScript libraries
• dropped Zendesk Dec 2024 · Issue trackers
• dropped LottieFiles Nov 2024 · Miscellaneous
• added React Router Nov 2024 · JavaScript frameworks
• added parcel Oct 2024 · Miscellaneous
• added SWC Oct 2024 · Miscellaneous
• added lit-element Jun 2024 · JavaScript libraries
• added lit-html Jun 2024 · JavaScript libraries

2023 70 added · 12 dropped · 2 switched

• dropped Amazon ALB Dec 2023 · Load balancers
• dropped Angular Dec 2023 · JavaScript frameworks
• dropped Azure Dec 2023 · PaaS
• dropped Elastic APM Dec 2023 · Issue trackers
• dropped Elasticsearch Dec 2023 · Search engines
• dropped TypeScript Dec 2023 · Programming languages
• dropped Zone.js Dec 2023 · JavaScript frameworks
• added AcuityAds Nov 2023 · Advertising
• added Adobe Audience Manager Nov 2023 · Segmentation
• added Permutive Nov 2023 · Miscellaneous
• added Rubicon Project Nov 2023 · Advertising
• added Tapad Nov 2023 · Advertising
• added Verizon Media Nov 2023 · Advertising
• added AppNexus Oct 2023 · Advertising
• added Quora Pixel Sep 2023 · Analytics
• added Dreamdata Aug 2023 · Analytics
• dropped Google Ads Conversion Tracking Jul 2023 · Analytics
• added HTTP/3 Jul 2023 · Miscellaneous
• added Wistia Jul 2023 · Video players
• added Envoy Jun 2023 · Reverse proxies
• dropped Google Remarketing Tag Jun 2023 · Retargeting
• added Podsights Jun 2023 · Advertising
• added Vuex Jun 2023 · JavaScript libraries
• added Algolia May 2023 · Search engines
• added Amazon ALB May 2023 · Load balancers
• added Amazon CloudFront May 2023 · CDN
• added Amazon S3 May 2023 · CDN
• added Amazon Web Services May 2023 · PaaS
• added Angular May 2023 · JavaScript frameworks
• added Apple iCloud Mail May 2023 · Webmail
• added Atlassian Statuspage May 2023 · Issue trackers
• added Auth0 May 2023 · Authentication
• added Auth0 Lock May 2023 · Authentication
• added Autoptimize May 2023 · WordPress plugins
• added Axios May 2023 · JavaScript libraries
• added Azure May 2023 · PaaS
• added Babel May 2023 · Miscellaneous
• added Cart Functionality May 2023 · Ecommerce
• added Demandbase May 2023 · Analytics
• added Drift May 2023 · Live chat
• added Elastic APM May 2023 · Issue trackers
• added Elasticsearch May 2023 · Search engines
• added Express May 2023 · Web frameworks
• added Facebook Pixel May 2023 · Analytics
• added Fastly May 2023 · CDN
• added FingerprintJS May 2023 · JavaScript libraries
• added Google Maps May 2023 · Maps
• added jQuery CDN May 2023 · CDN
• added jsDelivr May 2023 · CDN
• added Keybase May 2023 · Security
• added Kong May 2023 · Reverse proxies
• added LazySizes May 2023 · Performance
• added Linkedin Ads May 2023 · Advertising
• added MariaDB May 2023 · Databases
• switched 6sense → Marketo May 2023 · Marketing automation
• added Microsoft Advertising May 2023 · Advertising
• added MobX May 2023 · JavaScript libraries
• added New Relic May 2023 · RUM
• added Nginx May 2023 · Web servers
• added Open Graph May 2023 · Miscellaneous
• added OpenResty May 2023 · Web servers
• added Pantheon May 2023 · PaaS
• added Priority Hints May 2023 · Performance
• added Prism May 2023 · Miscellaneous
• added Skilljar May 2023 · LMS
• added TypeScript May 2023 · Programming languages
• added Vue.js May 2023 · JavaScript frameworks
• added VWO May 2023 · Analytics
• added Yoast SEO May 2023 · SEO
• added Zone.js May 2023 · JavaScript frameworks
• added ZURB Foundation May 2023 · UI frameworks
• dropped C Apr 2023 · Programming languages
• added Demandbase Apr 2023 · Analytics
• added Google Maps Apr 2023 · Maps
• added New Relic Apr 2023 · RUM
• added Autoptimize Feb 2023 · WordPress plugins
• added C Feb 2023 · Programming languages
• added LazySizes Feb 2023 · Performance
• added Apple iCloud Mail Jan 2023 · Webmail
• switched Cloudflare Network Error Logging → Atlassian Statuspage Jan 2023 · Issue trackers
• dropped Java Jan 2023 · Programming languages
• added Keybase Jan 2023 · Security
• dropped New Relic Jan 2023 · RUM
• added Skilljar Jan 2023 · LMS

2022 69 added · 18 dropped · 1 switched

• added 6sense Dec 2022 · Marketing automation
• dropped AdRoll CMP System Dec 2022 · Cookie compliance
• dropped Google Cloud Dec 2022 · IaaS
• dropped Google Cloud Trace Dec 2022 · Performance
• dropped Microsoft Clarity Dec 2022 · Analytics
• dropped Podsights Dec 2022 · Advertising
• dropped Popper Dec 2022 · Miscellaneous
• dropped Taboola Dec 2022 · Advertising
• dropped TikTok Pixel Dec 2022 · Analytics
• dropped Twitter Ads Dec 2022 · Advertising
• added Kong Nov 2022 · Reverse proxies
• added Linkedin Ads Oct 2022 · Advertising
• added Priority Hints Oct 2022 · Performance
• dropped Segment Oct 2022 · Analytics
• added VWO Oct 2022 · Analytics
• added Auth0 Sep 2022 · Authentication
• dropped Envoy Sep 2022 · Reverse proxies
• added HSTS Sep 2022 · Security
• added Open Graph Sep 2022 · Miscellaneous
• added Ada Aug 2022 · Live chat
• added AdRoll CMP System Aug 2022 · Cookie compliance
• added Algolia Aug 2022 · Search engines
• added Amazon CloudFront Aug 2022 · CDN
• added Amazon Web Services Aug 2022 · PaaS
• added Apache HTTP Server Aug 2022 · Web servers
• added Axios Aug 2022 · JavaScript libraries
• added cdnjs Aug 2022 · CDN
• added Cloudflare Bot Management Aug 2022 · Security
• added Cloudflare Network Error Logging Aug 2022 · Issue trackers
• added core-js Aug 2022 · JavaScript libraries
• added Datadog Aug 2022 · RUM
• added Drift Aug 2022 · Live chat
• added Express Aug 2022 · Web frameworks
• added Facebook Pixel Aug 2022 · Analytics
• added Fastly Aug 2022 · CDN
• added Google Ads Conversion Tracking Aug 2022 · Analytics
• added Google Cloud Aug 2022 · IaaS
• added Google Cloud Trace Aug 2022 · Performance
• added Google Hosted Libraries Aug 2022 · CDN
• added Hotjar Aug 2022 · Analytics
• added Java Aug 2022 · Programming languages
• added jQuery CDN Aug 2022 · CDN
• added jsDelivr Aug 2022 · CDN
• added Linkedin Insight Tag Aug 2022 · Analytics
• added Mapbox GL JS Aug 2022 · Maps
• added MariaDB Aug 2022 · Databases
• added Marketo Aug 2022 · Marketing automation
• added Microsoft Advertising Aug 2022 · Advertising
• added Microsoft Clarity Aug 2022 · Analytics
• added MobX Aug 2022 · JavaScript libraries
• added New Relic Aug 2022 · RUM
• added Nginx Aug 2022 · Web servers
• added OneTrust Aug 2022 · Cookie compliance
• added OpenResty Aug 2022 · Web servers
• added Pantheon Aug 2022 · PaaS
• added Pendo Aug 2022 · Analytics
• added Podsights Aug 2022 · Advertising
• added Popper Aug 2022 · Miscellaneous
• added Preact Aug 2022 · JavaScript libraries
• added Prism Aug 2022 · Miscellaneous
• added Stripe Aug 2022 · Payment processors
• added styled-components Aug 2022 · JavaScript frameworks
• added Taboola Aug 2022 · Advertising
• added TikTok Pixel Aug 2022 · Analytics
• added Twitter Ads Aug 2022 · Advertising
• added Varnish Aug 2022 · Caching
• added Vue.js Aug 2022 · JavaScript frameworks
• added Yoast SEO Aug 2022 · SEO
• added Zendesk Aug 2022 · Issue trackers
• added ZURB Foundation Aug 2022 · UI frameworks
• dropped Tailwind CSS Jun 2022 · UI frameworks
• dropped Twitter Analytics Jun 2022 · Analytics
• added cdnjs May 2022 · CDN
• added Ada Apr 2022 · Live chat
• added Google Cloud Apr 2022 · IaaS
• added Google Cloud Trace Apr 2022 · Performance
• switched Gravity Forms → Popper Apr 2022 · Miscellaneous
• added Preact Apr 2022 · JavaScript libraries
• added Tailwind CSS Apr 2022 · UI frameworks
• added Cloudflare Network Error Logging Feb 2022 · Issue trackers
• dropped Genesis theme Feb 2022 · WordPress themes
• added Google Hosted Libraries Feb 2022 · CDN
• added jQuery CDN Feb 2022 · CDN
• dropped jQuery Migrate Feb 2022 · JavaScript libraries
• dropped Lightbox Feb 2022 · JavaScript libraries
• dropped Underscore.js Feb 2022 · JavaScript libraries
• added Microsoft Clarity Jan 2022 · Analytics
• dropped Wheelio Jan 2022 · Widgets

2021 37 added · 10 dropped · 2 switched

• added Cloudflare Bot Management Dec 2021 · Security
• dropped Vue.js Dec 2021 · JavaScript frameworks
• added Envoy Nov 2021 · Reverse proxies
• added TikTok Pixel Nov 2021 · Analytics
• added Twitter Ads Nov 2021 · Advertising
• added Twitter Analytics Nov 2021 · Analytics
• added Yoast SEO Nov 2021 · SEO
• dropped HubSpot Analytics Oct 2021 · Analytics
• dropped Yoast SEO Oct 2021 · SEO
• added Axios Sep 2021 · JavaScript libraries
• added core-js Sep 2021 · JavaScript libraries
• switched Lua → Java Sep 2021 · Programming languages
• added Marketo Sep 2021 · Marketing automation
• added Podsights Sep 2021 · Advertising
• added Wheelio Sep 2021 · Widgets
• switched HubSpot Cookie → AdRoll CMP System Aug 2021 · Cookie compliance
• added HubSpot Cookie Aug 2021 · Cookie compliance
• added Babel Jul 2021 · Miscellaneous
• added Datadog Jul 2021 · RUM
• added Drift Jul 2021 · Live chat
• added Facebook Pixel Jul 2021 · Analytics
• added Google Ads Conversion Tracking Jul 2021 · Analytics
• added Google Remarketing Tag Jul 2021 · Retargeting
• added MobX Jul 2021 · JavaScript libraries
• added New Relic Jul 2021 · Analytics
• added Pendo Jul 2021 · User onboarding
• added Algolia Jun 2021 · Search engines
• added Mapbox GL JS Jun 2021 · Maps
• added Microsoft Advertising Jun 2021 · Advertising
• added Prism Jun 2021 · Miscellaneous
• added styled-components Jun 2021 · JavaScript frameworks
• added Taboola Jun 2021 · Advertising
• added ZURB Foundation Jun 2021 · UI frameworks
• added Zendesk May 2021 · CMS
• added Fastly Apr 2021 · CDN
• added MariaDB Apr 2021 · Databases
• added Pantheon Apr 2021 · PaaS
• added Vue.js Apr 2021 · JavaScript frameworks
• added Yoast SEO Apr 2021 · SEO
• dropped Algolia Mar 2021 · Search engines
• dropped MobX Mar 2021 · JavaScript libraries
• dropped Prism Mar 2021 · Miscellaneous
• dropped Ruby Mar 2021 · Programming languages
• dropped Ruby on Rails Mar 2021 · Web frameworks
• dropped TinyMCE Mar 2021 · Rich text editors
• dropped ZURB Foundation Mar 2021 · UI frameworks
• added Auth0 Lock Feb 2021 · Miscellaneous
• added HubSpot Analytics Feb 2021 · Analytics
• added Linkedin Insight Tag Feb 2021 · Analytics

2020 5 added · 9 dropped

• added TinyMCE Oct 2020 · Rich text editors
• dropped Moment.js Sep 2020 · JavaScript libraries
• dropped Ruby Sep 2020 · Programming languages
• dropped Ruby on Rails Sep 2020 · Web frameworks
• added OneTrust Aug 2020 · Cookie compliance
• dropped Zendesk Aug 2020 · CMS
• added jsDelivr Jul 2020 · CDN
• dropped AngularJS Jun 2020 · JavaScript Frameworks
• dropped Chart.js Jun 2020 · JavaScript Graphics
• dropped Highlight.js Jun 2020 · Miscellaneous
• dropped Algolia Realtime Search May 2020 · Search Engines
• added Hotjar May 2020 · Analytics
• dropped Hotjar Apr 2020 · Analytics
• added Zendesk Mar 2020 · CMS

2019 24 added · 5 dropped

• dropped Yoast SEO Nov 2019 · SEO
• dropped Linkedin Oct 2019 · Widgets
• added Sentry Oct 2019 · Issue Trackers
• dropped Twitter Oct 2019 · Widgets
• added Mouse Flow Sep 2019 · Analytics
• added Next.js Sep 2019 · Web Servers
• dropped Express Aug 2019 · Web Frameworks
• dropped Mouse Flow Aug 2019 · Analytics
• added Yoast SEO Aug 2019 · SEO
• added Prism Jul 2019 · Miscellaneous
• added Amazon CloudFront May 2019 · CDN
• added Amazon Web Services May 2019 · PaaS
• added Mouse Flow Apr 2019 · Analytics
• added AdRoll Mar 2019 · Advertising Networks
• added Algolia Realtime Search Mar 2019 · Search Engines
• added Bootstrap Mar 2019 · Web Frameworks
• added Express Mar 2019 · Web Frameworks
• added Facebook Mar 2019 · Widgets
• added Font Awesome Mar 2019 · Font Scripts
• added Hammer.js Mar 2019 · JavaScript Libraries
• added Hotjar Mar 2019 · Analytics
• added Lightbox Mar 2019 · JavaScript Libraries
• added Matomo Mar 2019 · Analytics
• added React Mar 2019 · JavaScript Frameworks
• added reCAPTCHA Mar 2019 · Captchas
• added Ruby Mar 2019 · Programming Languages
• added Ruby on Rails Mar 2019 · Web Frameworks
• added Webpack Mar 2019 · Miscellaneous
• added ZURB Foundation Mar 2019 · Web Frameworks

2018 12 added · 1 dropped

• dropped Nginx Dec 2018 · Web Servers
• added AdRoll Nov 2018 · Advertising Networks
• added Facebook Nov 2018 · Widgets
• added Hotjar Nov 2018 · Analytics
• added Lightbox Nov 2018 · JavaScript Libraries
• added Amplitude Oct 2018 · Analytics
• added reCAPTCHA Oct 2018 · Captchas
• added Typekit Jul 2018 · Font Scripts
• added Google Analytics Jun 2018 · Analytics
• added Matomo Analytics Jun 2018 · Analytics
• added MySQL Jun 2018 · Databases
• added PHP Jun 2018 · Programming Languages
• added Twitter Emoji (Twemoji) Jun 2018 · Miscellaneous