Technology history for pcf.org
Stack size over time
From 9 detected technologies in Apr 2018 to 63 in Jun 2026 (peak 75).
Currently detected
- Bootstrap since Apr 2018
- Font Awesome since Apr 2018
- Nginx since Apr 2018
- jQuery since Apr 2018
- jQuery Migrate since Apr 2018
- Clipboard.js since Apr 2018
- Underscore.js since Apr 2018
- WordPress since Apr 2018
- Google Tag Manager since May 2018
- Facebook since Jun 2018
- Google Analytics since Jun 2018
- Heap since Jun 2018
- New Relic since Jun 2018
- PHP since Jun 2018
- Typekit since Jun 2018
- MySQL since Jun 2018
- Varnish since Jun 2018
- jQuery UI since Aug 2018
- YUI since Aug 2018
- Apache HTTP Server since Aug 2018
- DreamWeaver since Jan 2019
- reCAPTCHA since Mar 2019
- Pantheon since May 2019
- MariaDB since May 2019
- Algolia since Mar 2020
- SweetAlert2 since Jun 2020
- Blackbaud Luminate Online since Feb 2021
- Cloudinary since Feb 2021
- Microsoft Advertising since Feb 2021
- Fastly since Feb 2021
- Facebook Pixel since Jul 2021
- Google Optimize since Jul 2021
- Pingdom since Jul 2021
- Yoast SEO since Jul 2021
- Java since Aug 2021
- Google Ads Conversion Tracking since Aug 2021
- core-js since Sep 2021
- jsDelivr since Nov 2021
- Contact Form 7 since Feb 2022
- Sumo since Feb 2022
- Yoast SEO Premium since Feb 2022
- Google Cloud Trace since Apr 2022
- Google Cloud since Apr 2022
- Popper since Apr 2022
- Google Hosted Libraries since May 2022
- Open Graph since Sep 2022
- RSS since Dec 2022
- Cloudflare since Apr 2023
- Matomo Analytics since Jul 2023
- Pingdom RUM since Jul 2023
- Priority Hints since Dec 2023
- Apple iCloud Mail since Apr 2025
- Blocksy since May 2025
- Blocksy Companion since May 2025
- PWA since May 2025
- WordPress Block Editor since May 2025
- Performance Lab since Sep 2025
- Popup Maker since Sep 2025
- Speculative Loading since Sep 2025
- Complianz since Oct 2025
- Web Worker Offloading since Oct 2025
- Enhanced Responsive Images since Oct 2025
- WP Rocket since May 2026
Previously used
- cdnjs Aug 2025 to Apr 2026 · 8 mo
- Donorbox Sep 2025 to Apr 2026 · 7 mo
- FancyBox Aug 2025 to Apr 2026 · 8 mo
- FingerprintJS Apr 2026 to Apr 2026 · 1 mo
- Google Maps Jan 2022 to Apr 2026 · 4 yrs
- GSAP Aug 2025 to Apr 2026 · 8 mo
- lit-element Apr 2026 to Apr 2026 · 1 mo
- lit-html Apr 2026 to Apr 2026 · 1 mo
- Lodash Jun 2018 to Apr 2026 · 7 yrs
- Microsoft Clarity Oct 2025 to Apr 2026 · 6 mo
- React Mar 2019 to Apr 2026 · 7 yrs
- Slick May 2025 to Apr 2026 · 11 mo
- Stripe Apr 2026 to Apr 2026 · 1 mo
- Image Prioritizer Sep 2025 to Nov 2025 · 2 mo
- Optimization Detective Sep 2025 to Nov 2025 · 2 mo
- OWL Carousel Apr 2018 to Apr 2025 · 7 yrs
- HSTS Sep 2022 to Mar 2023 · 6 mo
- Mailgun Aug 2022 to Mar 2023 · 7 mo
- C Feb 2023 to Feb 2023 · 1 mo
- Google Remarketing Tag Aug 2021 to May 2022 · 9 mo
- Tailwind CSS Apr 2022 to Apr 2022 · 1 mo
- Wheelio Sep 2021 to Oct 2021 · 1 mo
- Emotion Jul 2021 to Jul 2021 · 1 mo
- Crazy Egg Jun 2018 to Jun 2021 · 3 yrs
- Algolia Realtime Search Jun 2018 to Feb 2020 · 1 yr
- Twitter Emoji (Twemoji) Aug 2018 to Jun 2019 · 10 mo
Timeline
2026 8 added · 15 dropped
- dropped cdnjs Jun 2026 · CDN
- dropped Donorbox Jun 2026 · Fundraising & donations
- dropped FancyBox Jun 2026 · JavaScript libraries
- dropped FingerprintJS Jun 2026 · JavaScript libraries
- dropped Google Maps Jun 2026 · Maps
- dropped GSAP Jun 2026 · JavaScript frameworks
- dropped lit-element Jun 2026 · JavaScript libraries
- dropped lit-html Jun 2026 · JavaScript libraries
- dropped Lodash Jun 2026 · JavaScript libraries
- dropped Microsoft Clarity Jun 2026 · Analytics
- dropped React Jun 2026 · JavaScript frameworks
- dropped Slick Jun 2026 · JavaScript libraries
- dropped Stripe Jun 2026 · Payment processors
- added WP Rocket May 2026 · WordPress plugins
- added FingerprintJS Apr 2026 · JavaScript libraries
- added Google Maps Apr 2026 · Maps
- added lit-element Apr 2026 · JavaScript libraries
- added lit-html Apr 2026 · JavaScript libraries
- added Lodash Apr 2026 · JavaScript libraries
- added Stripe Apr 2026 · Payment processors
- added Popup Maker Mar 2026 · WordPress plugins
- dropped Image Prioritizer Jan 2026 · WordPress plugins
- dropped Optimization Detective Jan 2026 · WordPress plugins
2025 20 added · 2 dropped
- dropped Popup Maker Nov 2025 · WordPress plugins
- added Complianz Oct 2025 · WordPress plugins
- added Enhanced Responsive Images Oct 2025 · WordPress plugins
- added Microsoft Clarity Oct 2025 · Analytics
- added Web Worker Offloading Oct 2025 · WordPress plugins
- added Donorbox Sep 2025 · Fundraising & donations
- added Image Prioritizer Sep 2025 · WordPress plugins
- added Optimization Detective Sep 2025 · WordPress plugins
- added Performance Lab Sep 2025 · WordPress plugins
- added Popup Maker Sep 2025 · WordPress plugins
- added Speculative Loading Sep 2025 · WordPress plugins
- added cdnjs Aug 2025 · CDN
- added FancyBox Aug 2025 · JavaScript libraries
- added GSAP Aug 2025 · JavaScript frameworks
- dropped OWL Carousel Jun 2025 · JavaScript libraries
- added Blocksy May 2025 · WordPress themes
- added Blocksy Companion May 2025 · WordPress plugins
- added PWA May 2025 · Miscellaneous
- added Slick May 2025 · JavaScript libraries
- added Typekit May 2025 · Font scripts
- added WordPress Block Editor May 2025 · Page builders
- added Apple iCloud Mail Apr 2025 · Webmail
2024 1 added
- added React Jun 2024 · JavaScript frameworks
2023 4 added · 4 dropped
- added Priority Hints Dec 2023 · Performance
- dropped HSTS Jul 2023 · Security
- dropped Mailgun Jul 2023 · Email
- added Matomo Analytics Jul 2023 · Analytics
- added Pingdom RUM Jul 2023 · RUM
- dropped C May 2023 · Programming languages
- added C Feb 2023 · Programming languages
- dropped Google Remarketing Tag Jan 2023 · Retargeting
2022 12 added · 3 dropped · 1 switched
- added RSS Dec 2022 · Miscellaneous
- added HSTS Sep 2022 · Security
- added Open Graph Sep 2022 · Miscellaneous
- added Mailgun Aug 2022 · Email
- added OWL Carousel Aug 2022 · JavaScript libraries
- dropped Tailwind CSS Jun 2022 · UI frameworks
- added Google Cloud Apr 2022 · IaaS
- added Google Cloud Trace Apr 2022 · Performance
- added Popper Apr 2022 · Miscellaneous
- added Tailwind CSS Apr 2022 · UI frameworks
- dropped Google Maps Mar 2022 · Maps
- dropped SweetAlert2 Mar 2022 · JavaScript libraries
- added Contact Form 7 Feb 2022 · WordPress plugins
- switched Wheelio Sumo Feb 2022 · Widgets
- added Yoast SEO Premium Feb 2022 · SEO
- added Google Maps Jan 2022 · Maps
2021 19 added · 7 dropped
- added jsDelivr Nov 2021 · CDN
- added Yoast SEO Nov 2021 · SEO
- dropped Yoast SEO Oct 2021 · SEO
- added core-js Sep 2021 · JavaScript libraries
- dropped Emotion Sep 2021 · Development
- added Wheelio Sep 2021 · Widgets
- dropped Crazy Egg Aug 2021 · Analytics
- added Google Ads Conversion Tracking Aug 2021 · Analytics
- added Google Remarketing Tag Aug 2021 · Retargeting
- added Java Aug 2021 · Programming languages
- added Algolia Jul 2021 · Search engines
- added Emotion Jul 2021 · Development
- added Facebook Pixel Jul 2021 · Analytics
- added Google Optimize Jul 2021 · A/B Testing
- added New Relic Jul 2021 · Analytics
- added Pingdom Jul 2021 · RUM
- added Yoast SEO Jul 2021 · SEO
- added jQuery Migrate May 2021 · JavaScript libraries
- dropped Algolia Mar 2021 · Search engines
- dropped DreamWeaver Mar 2021 · Editors
- dropped New Relic Mar 2021 · Analytics
- dropped Typekit Mar 2021 · Font scripts
- added Blackbaud Luminate Online Feb 2021 · Payment processors
- added Cloudinary Feb 2021 · CDN
- added Fastly Feb 2021 · CDN
- added Microsoft Advertising Feb 2021 · Analytics
2020 1 added · 3 dropped · 1 switched
- dropped jQuery Migrate Dec 2020 · JavaScript libraries
- dropped React Jun 2020 · JavaScript Frameworks
- added SweetAlert2 Jun 2020 · JavaScript libraries
- dropped Twitter Emoji (Twemoji) Jun 2020 · Miscellaneous
- switched Algolia Realtime Search Algolia Mar 2020 · Search Engines
2019 30 added
- added MariaDB May 2019 · Databases
- added Pantheon May 2019 · PaaS
- added Algolia Realtime Search Mar 2019 · Search Engines
- added Apache HTTP Server Mar 2019 · Web Servers
- added Bootstrap Mar 2019 · Web Frameworks
- added Clipboard.js Mar 2019 · Miscellaneous
- added Crazy Egg Mar 2019 · Analytics
- added DreamWeaver Mar 2019 · Editors
- added Facebook Mar 2019 · Widgets
- added Font Awesome Mar 2019 · Font Scripts
- added Google Analytics Mar 2019 · Analytics
- added Google Tag Manager Mar 2019 · Tag Managers
- added Heap Mar 2019 · Analytics
- added jQuery Mar 2019 · JavaScript Libraries
- added jQuery Migrate Mar 2019 · JavaScript Libraries
- added jQuery UI Mar 2019 · JavaScript Libraries
- added MySQL Mar 2019 · Databases
- added New Relic Mar 2019 · Analytics
- added Nginx Mar 2019 · Web Servers
- added OWL Carousel Mar 2019 · Widgets
- added PHP Mar 2019 · Programming Languages
- added React Mar 2019 · JavaScript Frameworks
- added reCAPTCHA Mar 2019 · Captchas
- added Twitter Emoji (Twemoji) Mar 2019 · Miscellaneous
- added Typekit Mar 2019 · Font Scripts
- added Underscore.js Mar 2019 · JavaScript Libraries
- added Varnish Mar 2019 · Cache Tools
- added WordPress Mar 2019 · CMS
- added YUI Mar 2019 · JavaScript Libraries
- added DreamWeaver Jan 2019 · Editors
2018 12 added · 1 dropped
- dropped Lodash Aug 2018 · JavaScript Frameworks
- added Algolia Realtime Search Jun 2018 · Search Engines
- added Crazy Egg Jun 2018 · Analytics
- added Facebook Jun 2018 · Widgets
- added Google Analytics Jun 2018 · Analytics
- added Heap Jun 2018 · Analytics
- added Lodash Jun 2018 · JavaScript Frameworks
- added MySQL Jun 2018 · Databases
- added New Relic Jun 2018 · Analytics
- added PHP Jun 2018 · Programming Languages
- added Typekit Jun 2018 · Font Scripts
- added Varnish Jun 2018 · Cache Tools
- added Google Tag Manager May 2018 · Tag Managers