Technology history for 51sec.org
Stack size over time
From 14 detected technologies in Apr 2019 to 75 in Jun 2026 (peak 78).
Currently detected
- Google AdSense since Apr 2019
- Google Analytics since Apr 2019
- MySQL since Apr 2019
- PHP since Apr 2019
- Google Font API since Apr 2019
- AddThis since Apr 2019
- Cloudflare since Apr 2019
- jQuery Migrate since Apr 2019
- jQuery since Apr 2019
- Twitter Emoji (Twemoji) since Apr 2019
- WordPress since Apr 2019
- YouTube since Apr 2019
- React since Aug 2019
- Criteo since Sep 2019
- Google Tag Manager since Sep 2019
- Quantcast Measure since Sep 2019
- Font Awesome since Mar 2020
- Python since Mar 2020
- Blogger since Mar 2020
- PubMatic since Nov 2020
- OWL Carousel since Dec 2020
- Bootstrap since Dec 2020
- Moat since Feb 2021
- Google Publisher Tag since Feb 2021
- Google Sign-in since Feb 2021
- Ezoic since Apr 2021
- Cloudflare Browser Insights since Apr 2021
- core-js since Feb 2022
- Google Hosted Libraries since Feb 2022
- cdnjs since Feb 2022
- Cloudflare Network Error Logging since Feb 2022
- Jetpack since Feb 2022
- LazySizes since Feb 2022
- Themeansar Newsup since Feb 2022
- web-vitals since Feb 2022
- reCAPTCHA since Apr 2022
- Cloudflare Bot Management since May 2022
- LazySizes unveilhooks plugin since Jul 2022
- DoubleClick Campaign Manager (DCM) since Aug 2022
- jsDelivr since Aug 2022
- VideoJS since Aug 2022
- Microsoft 365 since Sep 2022
- OpenX since Sep 2022
- HSTS since Sep 2022
- HTTP/3 since Sep 2022
- Open Graph since Sep 2022
- Prebid since Sep 2022
- Snowplow Analytics since Sep 2022
- Funding Choices since Dec 2022
- RSS since Dec 2022
- ID5 since Oct 2023
- Microsoft Clarity since Mar 2024
- Cart Functionality since Mar 2024
- WooCommerce since Mar 2024
- Buy me a coffee since Apr 2024
- Cloudflare Rocket Loader since Oct 2024
- Marked since Nov 2024
- Next.js since Nov 2024
- Node.js since Nov 2024
- Prism since Nov 2024
- AOS since Nov 2024
- Animate.css since Nov 2024
- Tailwind CSS since Nov 2024
- Vercel since Nov 2024
- Webpack since Nov 2024
- ipify since Dec 2024
- Semantic UI since Jun 2025
- Calendly since Jun 2025
- MailChimp since Jan 2026
- Cloudflare Zaraz since Jan 2026
- Ackee since Mar 2026
- Yandex.Metrika since Mar 2026
- FingerprintJS since Apr 2026
- PayPal since Apr 2026
- WooCommerce PayPal Payments since Apr 2026
Previously used
- 33Across Oct 2023 to Feb 2026 · 2 yrs
- Adobe Audience Manager Oct 2022 to Feb 2026 · 3 yrs
- GumGum Dec 2025 to Feb 2026 · 2 mo
- Microsoft ASP.NET Feb 2026 to Feb 2026 · 1 mo
- Rubicon Project Jan 2025 to Feb 2026 · 1 yr
- Vimeo Feb 2026 to Feb 2026 · 1 mo
- Vue.js Feb 2026 to Feb 2026 · 1 mo
- Amazon Advertising Dec 2025 to Dec 2025 · 1 mo
- AppNexus Sep 2019 to Dec 2025 · 6 yrs
- Closure Library Jul 2025 to Dec 2025 · 5 mo
- Conversant Consent Tool Dec 2025 to Dec 2025 · 1 mo
- Priority Hints Apr 2024 to Dec 2025 · 1 yr
- Tapad Dec 2025 to Dec 2025 · 1 mo
- Ahoy Apr 2024 to Jul 2025 · 1 yr
- POWR Apr 2024 to Jul 2025 · 1 yr
- Ruby Apr 2024 to Jul 2025 · 1 yr
- Ruby on Rails Apr 2024 to Jul 2025 · 1 yr
- Java Apr 2024 to Apr 2025 · 1 yr
- Contentful Aug 2024 to Sep 2024 · 1 mo
- ClustrMaps Widget Feb 2021 to Dec 2023 · 2 yrs
- Facebook Login Jul 2021 to Dec 2023 · 2 yrs
- jQuery CDN Feb 2022 to Dec 2023 · 1 yr
- Amazon ALB Sep 2021 to Nov 2023 · 2 yrs
- Amazon Web Services Sep 2021 to Nov 2023 · 2 yrs
- Lithium Mar 2022 to Oct 2022 · 7 mo
- Zaraz Feb 2022 to Sep 2022 · 7 mo
- Google Remarketing Tag Jul 2021 to May 2022 · 10 mo
- Facebook Mar 2020 to Apr 2022 · 2 yrs
- Google Core Web Vitals Sep 2021 to Oct 2021 · 1 mo
- Google Plus Apr 2019 to Oct 2021 · 2 yrs
- Wheelio Sep 2021 to Oct 2021 · 1 mo
- Quantcast Choice Aug 2020 to Jul 2021 · 11 mo
- Yoast SEO Jun 2021 to Jun 2021 · 1 mo
- comScore Sep 2019 to Jan 2021 · 1 yr
- DoubleClick Ad Exchange (AdX) Sep 2019 to Jan 2021 · 1 yr
- Navegg Nov 2019 to May 2020 · 6 mo
- Gravatar Apr 2019 to Mar 2020 · 11 mo
- Lazy.js Mar 2020 to Mar 2020 · 1 mo
- Varnish Oct 2019 to Dec 2019 · 2 mo
Timeline
2026 7 added · 11 dropped · 2 switched
- dropped 33Across Apr 2026 · Advertising
- dropped Adobe Audience Manager Apr 2026 · Segmentation
- switched Closure Library FingerprintJS Apr 2026 · JavaScript libraries
- dropped GumGum Apr 2026 · Advertising
- dropped Microsoft ASP.NET Apr 2026 · Web frameworks
- added PayPal Apr 2026 · Payment processors
- dropped Rubicon Project Apr 2026 · Advertising
- dropped Vimeo Apr 2026 · Video players
- dropped Vue.js Apr 2026 · JavaScript frameworks
- added WooCommerce PayPal Payments Apr 2026 · WordPress plugins
- added Ackee Mar 2026 · Analytics
- dropped Amazon Advertising Mar 2026 · Advertising
- dropped AppNexus Mar 2026 · Advertising
- dropped Conversant Consent Tool Mar 2026 · Cookie compliance
- dropped Tapad Mar 2026 · Advertising
- added Yandex.Metrika Mar 2026 · Analytics
- added Vimeo Feb 2026 · Video players
- added Vue.js Feb 2026 · JavaScript frameworks
- switched Priority Hints Cloudflare Zaraz Jan 2026 · Performance
- added MailChimp Jan 2026 · Email
2025 5 added · 10 dropped
- dropped Ahoy Oct 2025 · Analytics
- added core-js Oct 2025 · JavaScript libraries
- added ID5 Oct 2025 · Advertising
- dropped POWR Oct 2025 · Widgets
- dropped Ruby Oct 2025 · Programming languages
- dropped Ruby on Rails Oct 2025 · Web frameworks
- added Closure Library Jul 2025 · JavaScript libraries
- dropped Priority Hints Jul 2025 · Performance
- dropped Java Jun 2025 · Programming languages
- dropped Adobe Audience Manager Mar 2025 · Segmentation
- dropped core-js Mar 2025 · JavaScript libraries
- dropped ID5 Mar 2025 · Advertising
- dropped Rubicon Project Mar 2025 · Advertising
- added Adobe Audience Manager Jan 2025 · Segmentation
- added Rubicon Project Jan 2025 · Advertising
2024 7 added · 10 dropped
- added core-js Dec 2024 · JavaScript libraries
- added ID5 Dec 2024 · Advertising
- added ipify Dec 2024 · Geolocation
- dropped Contentful Nov 2024 · CMS
- added Cloudflare Rocket Loader Oct 2024 · Performance
- dropped core-js Oct 2024 · JavaScript libraries
- added Contentful Aug 2024 · CMS
- added core-js Aug 2024 · JavaScript libraries
- dropped core-js Jul 2024 · JavaScript libraries
- dropped ClustrMaps Widget May 2024 · Maps
- dropped Facebook Login May 2024 · Authentication
- dropped jQuery CDN May 2024 · CDN
- dropped 33Across Apr 2024 · Advertising
- dropped Amazon ALB Apr 2024 · Load balancers
- dropped Amazon Web Services Apr 2024 · PaaS
- added Buy me a coffee Apr 2024 · Widgets
- dropped ID5 Apr 2024 · Advertising
2023 5 added · 5 dropped
- added core-js Dec 2023 · JavaScript libraries
- added 33Across Oct 2023 · Advertising
- added Amazon ALB Oct 2023 · Load balancers
- added Amazon Web Services Oct 2023 · PaaS
- added ID5 Oct 2023 · Advertising
- dropped AppNexus Sep 2023 · Advertising
- dropped Amazon ALB Aug 2023 · Load balancers
- dropped Amazon Web Services Aug 2023 · PaaS
- dropped Adobe Audience Manager Jan 2023 · Segmentation
- dropped Zaraz Jan 2023 · Performance
2022 56 added · 8 dropped · 1 switched
- dropped AppNexus Dec 2022 · Advertising
- added Funding Choices Dec 2022 · Cookie compliance
- dropped Lithium Dec 2022 · CMS
- added RSS Dec 2022 · Miscellaneous
- added Cloudflare Bot Management Sep 2022 · Security
- added HSTS Sep 2022 · Security
- added HTTP/3 Sep 2022 · Miscellaneous
- added Microsoft 365 Sep 2022 · Webmail
- added Open Graph Sep 2022 · Miscellaneous
- added OpenX Sep 2022 · Advertising
- added Prebid Sep 2022 · Advertising
- added Snowplow Analytics Sep 2022 · Analytics
- switched Facebook AddThis Aug 2022 · Widgets
- added Amazon ALB Aug 2022 · Load balancers
- added Amazon Web Services Aug 2022 · PaaS
- added Blogger Aug 2022 · Blogs
- added Bootstrap Aug 2022 · UI frameworks
- added cdnjs Aug 2022 · CDN
- added Cloudflare Aug 2022 · CDN
- added Cloudflare Browser Insights Aug 2022 · RUM
- added Cloudflare Network Error Logging Aug 2022 · Issue trackers
- added ClustrMaps Widget Aug 2022 · Maps
- added DoubleClick Campaign Manager (DCM) Aug 2022 · Advertising
- added Ezoic Aug 2022 · Analytics
- added Facebook Login Aug 2022 · Authentication
- added Font Awesome Aug 2022 · Font scripts
- added Google AdSense Aug 2022 · Advertising
- added Google Analytics Aug 2022 · Analytics
- added Google Font API Aug 2022 · Font scripts
- added Google Hosted Libraries Aug 2022 · CDN
- added Google Publisher Tag Aug 2022 · Advertising
- added Google Sign-in Aug 2022 · Authentication
- added Google Tag Manager Aug 2022 · Tag managers
- added Jetpack Aug 2022 · WordPress plugins
- added jQuery Aug 2022 · JavaScript libraries
- added jQuery CDN Aug 2022 · CDN
- added jQuery Migrate Aug 2022 · JavaScript libraries
- added jsDelivr Aug 2022 · CDN
- added LazySizes Aug 2022 · Performance
- added LazySizes unveilhooks plugin Aug 2022 · Performance
- added Lithium Aug 2022 · CMS
- added Moat Aug 2022 · Analytics
- added MySQL Aug 2022 · Databases
- added OWL Carousel Aug 2022 · JavaScript libraries
- added PHP Aug 2022 · Programming languages
- added Python Aug 2022 · Programming languages
- added Quantcast Measure Aug 2022 · Analytics
- added reCAPTCHA Aug 2022 · Security
- added Themeansar Newsup Aug 2022 · WordPress themes
- added Twitter Emoji (Twemoji) Aug 2022 · Font scripts
- added VideoJS Aug 2022 · Video players
- added web-vitals Aug 2022 · JavaScript libraries
- added WordPress Aug 2022 · CMS
- added YouTube Aug 2022 · Video players
- added Zaraz Aug 2022 · Performance
- dropped Cloudflare Bot Management Jul 2022 · Security
- dropped Google Remarketing Tag Jul 2022 · Retargeting
- added LazySizes unveilhooks plugin Jul 2022 · Performance
- added Cloudflare Bot Management May 2022 · Security
- dropped core-js May 2022 · JavaScript libraries
- added reCAPTCHA Apr 2022 · Security
- dropped Google Core Web Vitals Mar 2022 · RUM
- dropped Google Plus Mar 2022 · Widgets
- added Lithium Mar 2022 · CMS
- dropped Wheelio Mar 2022 · Widgets
2021 21 added · 14 dropped
- added AddThis Oct 2021 · Widgets
- added Moat Oct 2021 · Analytics
- added Amazon ALB Sep 2021 · Load balancers
- added Amazon Web Services Sep 2021 · PaaS
- added Google Core Web Vitals Sep 2021 · RUM
- dropped Quantcast Choice Sep 2021 · Cookie compliance
- added Wheelio Sep 2021 · Widgets
- dropped Yoast SEO Aug 2021 · SEO
- dropped AddThis Jul 2021 · Widgets
- added Blogger Jul 2021 · Blogs
- added Facebook Login Jul 2021 · Social logins
- added Google Remarketing Tag Jul 2021 · Retargeting
- added Google Tag Manager Jul 2021 · Tag managers
- dropped Moat Jul 2021 · Analytics
- added Python Jul 2021 · Programming languages
- added Quantcast Choice Jul 2021 · Cookie compliance
- added Twitter Emoji (Twemoji) Jul 2021 · Font scripts
- added Yoast SEO Jun 2021 · SEO
- dropped AppNexus May 2021 · Advertising
- dropped Google Tag Manager May 2021 · Tag managers
- added Cloudflare Browser Insights Apr 2021 · Analytics
- added Ezoic Apr 2021 · Analytics
- dropped Blogger Mar 2021 · Blogs
- dropped comScore Mar 2021 · Analytics
- dropped Criteo Mar 2021 · Advertising
- dropped DoubleClick Ad Exchange (AdX) Mar 2021 · Advertising
- dropped PubMatic Mar 2021 · Advertising
- dropped Python Mar 2021 · Programming languages
- dropped Quantcast Choice Mar 2021 · Cookie compliance
- dropped Twitter Emoji (Twemoji) Mar 2021 · Miscellaneous
- added ClustrMaps Widget Feb 2021 · Maps
- added Google Publisher Tag Feb 2021 · Advertising
- added Google Sign-in Feb 2021 · Social logins
- added Moat Feb 2021 · Analytics
- added jQuery Migrate Jan 2021 · JavaScript libraries
2020 8 added · 9 dropped
- added Bootstrap Dec 2020 · UI frameworks
- added OWL Carousel Dec 2020 · Widgets
- added AppNexus Nov 2020 · Advertising
- added Facebook Nov 2020 · Widgets
- added PubMatic Nov 2020 · Advertising
- dropped jQuery Migrate Sep 2020 · JavaScript libraries
- added Quantcast Choice Aug 2020 · Cookie compliance
- dropped React Aug 2020 · JavaScript frameworks
- added Font Awesome Jul 2020 · Font scripts
- dropped Navegg Jul 2020 · Analytics
- dropped Facebook May 2020 · Widgets
- dropped Font Awesome May 2020 · Font Scripts
- dropped Gravatar May 2020 · Miscellaneous
- dropped Lazy.js May 2020 · JavaScript Libraries
- added React May 2020 · JavaScript frameworks
- dropped AppNexus Mar 2020 · Advertising Networks
- dropped Varnish Feb 2020 · Cache Tools
2019 9 added · 1 dropped
- added Navegg Nov 2019 · Analytics
- dropped React Oct 2019 · JavaScript Frameworks
- added Varnish Oct 2019 · Cache Tools
- added AppNexus Sep 2019 · Advertising Networks
- added comScore Sep 2019 · Analytics
- added Criteo Sep 2019 · Advertising Networks
- added DoubleClick Ad Exchange (AdX) Sep 2019 · Advertising Networks
- added Google Tag Manager Sep 2019 · Tag Managers
- added Quantcast Measure Sep 2019 · Analytics
- added React Aug 2019 · JavaScript Frameworks