Technology history for pdf.co
Stack size over time
From 8 detected technologies in Apr 2018 to 59 in Jun 2026.
Currently detected
- Clipboard.js since Apr 2018
- Font Awesome since Apr 2018
- Bootstrap since Apr 2018
- Google Tag Manager since Apr 2018
- Ruby since Jun 2018
- jQuery since Jun 2018
- Amazon Web Services since Jan 2019
- Amazon CloudFront since Jan 2019
- Google Font API since Mar 2019
- Jekyll since Feb 2020
- GitHub Pages since Feb 2020
- Fastly since Feb 2020
- Varnish since Feb 2020
- React since Jun 2021
- core-js since Sep 2021
- cdnjs since Nov 2021
- Cloudflare since May 2022
- Google Workspace since Aug 2022
- Microsoft Advertising since Aug 2022
- Microsoft Clarity since Aug 2022
- PWA since Aug 2022
- HSTS since Sep 2022
- Open Graph since Sep 2022
- jQuery CDN since Oct 2022
- Google Analytics since Apr 2023
- jsDelivr since Jul 2023
- Webpack since Nov 2023
- Emotion since Nov 2023
- Next.js since Nov 2023
- Node.js since Nov 2023
- Priority Hints since Nov 2023
- Tailwind CSS since Nov 2023
- Vercel since Nov 2023
- Ant Design since Dec 2023
- Nginx since Dec 2023
- Amazon S3 since Dec 2023
- Sphinx since Dec 2023
- styled-components since Dec 2023
- Pygments since Dec 2023
- Underscore.js since Dec 2023
- Mixpanel since Feb 2024
- Google AdSense since Feb 2024
- Sanity since May 2024
- Amazon SES since Jun 2024
- HTTP/3 since Oct 2024
- Cloudflare Bot Management since Feb 2025
- FancyBox since Feb 2025
- Google Hosted Libraries since Feb 2025
- Zendesk since Feb 2025
- Unpkg since Feb 2025
- Envoy since Jul 2025
- Intercom since Aug 2025
- Next.js App Router since Aug 2025
- Radix UI since Oct 2025
- Cloudflare Browser Insights since Feb 2026
- Turbopack since May 2026
- Rewardful since Jun 2026
- React Router since Jun 2026
- Clickbank since Jun 2026
Previously used
- shadcn/ui Feb 2026 to Apr 2026 · 2 mo
- KaTeX Jul 2025 to Feb 2026 · 7 mo
- reCAPTCHA Mar 2024 to Sep 2025 · 1 yr
- Sentry Jul 2025 to Sep 2025 · 2 mo
- Lodash Mar 2021 to Aug 2025 · 4 yrs
- Mintlify Jul 2025 to Jul 2025 · 1 mo
- Ace Apr 2022 to Nov 2023 · 1 yr
- Cowboy Apr 2018 to Nov 2023 · 5 yrs
- Erlang Jun 2018 to Nov 2023 · 5 yrs
- Heroku Aug 2020 to Nov 2023 · 3 yrs
- jQuery UI Jun 2018 to Nov 2023 · 5 yrs
- Prism Dec 2021 to Nov 2023 · 1 yr
- RackCache Jun 2018 to Nov 2023 · 5 yrs
- Ruby on Rails Jun 2018 to Nov 2023 · 5 yrs
- Stripe Apr 2018 to Nov 2023 · 5 yrs
- Turbolinks Nov 2021 to Nov 2023 · 2 yrs
- jQuery Migrate Mar 2019 to Oct 2023 · 4 yrs
- Lightbox Jan 2020 to Oct 2023 · 3 yrs
- MailerLite Jul 2022 to Oct 2023 · 1 yr
- MySQL Mar 2019 to Oct 2023 · 4 yrs
- OWL Carousel Jul 2023 to Oct 2023 · 3 mo
- Pagely Jul 2020 to Oct 2023 · 3 yrs
- PHP Mar 2019 to Oct 2023 · 4 yrs
- Popper Apr 2022 to Oct 2023 · 1 yr
- Redux Framework May 2023 to Oct 2023 · 5 mo
- RSS Dec 2022 to Oct 2023 · 10 mo
- Slick Mar 2019 to Oct 2023 · 4 yrs
- SyntaxHighlighter Mar 2019 to Oct 2023 · 4 yrs
- WordPress Mar 2019 to Oct 2023 · 4 yrs
- XRegExp Mar 2019 to Oct 2023 · 4 yrs
- Yoast SEO Mar 2019 to Oct 2023 · 4 yrs
- Twitter Emoji (Twemoji) Mar 2019 to Aug 2023 · 4 yrs
- Choices Feb 2021 to Dec 2022 · 1 yr
- Animate.css Mar 2019 to Aug 2022 · 3 yrs
- Calendly Jan 2022 to Jul 2022 · 6 mo
- Contact Form 7 Feb 2022 to Feb 2022 · 1 mo
- Extendify Feb 2022 to Feb 2022 · 1 mo
- PDF.js Jun 2018 to Jan 2022 · 3 yrs
- Google Plus Apr 2018 to Oct 2021 · 3 yrs
- Google Sign-in Feb 2021 to Oct 2021 · 8 mo
- Wheelio Sep 2021 to Oct 2021 · 1 mo
- Babel Jul 2021 to Sep 2021 · 2 mo
- AddThis Jul 2018 to Feb 2021 · 2 yrs
- Moat Feb 2021 to Feb 2021 · 1 mo
- YouTube Apr 2018 to Feb 2019 · 10 mo
Timeline
2026 3 added · 2 dropped
- dropped shadcn/ui Jun 2026 · UI frameworks
- added Turbopack May 2026 · Development
- dropped KaTeX Apr 2026 · JavaScript graphics
- added Cloudflare Browser Insights Feb 2026 · Analytics
- added shadcn/ui Feb 2026 · UI frameworks
2025 5 added · 4 dropped
- dropped reCAPTCHA Dec 2025 · Security
- dropped Sentry Nov 2025 · Issue trackers
- dropped Lodash Oct 2025 · JavaScript libraries
- added Radix UI Oct 2025 · UI frameworks
- dropped Mintlify Sep 2025 · Static site generator
- added Nginx Sep 2025 · Web servers
- added Intercom Aug 2025 · Live chat
- added Next.js App Router Aug 2025 · JavaScript frameworks
- added Zendesk Feb 2025 · Documentation
2024 6 added · 14 dropped · 1 switched
- dropped Nginx Nov 2024 · Web servers
- switched PDF.js HTTP/3 Oct 2024 · Miscellaneous
- dropped AddThis Jul 2024 · Widgets
- dropped Cowboy Jul 2024 · Web Servers
- dropped Erlang Jul 2024 · Programming Languages
- dropped Google Plus Jul 2024 · Widgets
- dropped jQuery UI Jul 2024 · JavaScript Frameworks
- dropped RackCache Jul 2024 · Cache Tools
- dropped Ruby on Rails Jul 2024 · Web Frameworks
- dropped Stripe Jul 2024 · Payment Processors
- added Amazon SES Jun 2024 · Email
- added Sanity May 2024 · CMS
- added reCAPTCHA Mar 2024 · Security
- added Google AdSense Feb 2024 · Advertising
- added Microsoft Advertising Feb 2024 · Advertising
- added Mixpanel Feb 2024 · Analytics
- dropped Ace Jan 2024 · Rich text editors
- dropped cdnjs Jan 2024 · CDN
- dropped Cloudflare Jan 2024 · CDN
- dropped Heroku Jan 2024 · PaaS
- dropped Prism Jan 2024 · Miscellaneous
2023 14 added · 18 dropped · 2 switched
- added Ant Design Dec 2023 · UI frameworks
- added core-js Dec 2023 · JavaScript libraries
- dropped jQuery Migrate Dec 2023 · JavaScript libraries
- dropped jsDelivr Dec 2023 · CDN
- dropped Lightbox Dec 2023 · JavaScript libraries
- dropped MailerLite Dec 2023 · Marketing automation
- dropped Microsoft Advertising Dec 2023 · Advertising
- added Microsoft Clarity Dec 2023 · Analytics
- dropped MySQL Dec 2023 · Databases
- added Nginx Dec 2023 · Web servers
- dropped OWL Carousel Dec 2023 · JavaScript libraries
- dropped Pagely Dec 2023 · PaaS
- dropped Popper Dec 2023 · Miscellaneous
- dropped Redux Framework Dec 2023 · WordPress plugins
- dropped RSS Dec 2023 · Miscellaneous
- dropped Slick Dec 2023 · JavaScript libraries
- added styled-components Dec 2023 · JavaScript frameworks
- dropped SyntaxHighlighter Dec 2023 · Miscellaneous
- dropped WordPress Dec 2023 · CMS
- dropped XRegExp Dec 2023 · JavaScript libraries
- dropped Yoast SEO Dec 2023 · WordPress plugins
- added Emotion Nov 2023 · JavaScript frameworks
- added Next.js Nov 2023 · JavaScript frameworks
- switched PHP Node.js Nov 2023 · Programming languages
- switched Turbolinks Priority Hints Nov 2023 · Performance
- added Tailwind CSS Nov 2023 · UI frameworks
- added Vercel Nov 2023 · PaaS
- added Webpack Nov 2023 · Miscellaneous
- dropped Twitter Emoji (Twemoji) Oct 2023 · Font scripts
- added jsDelivr Jul 2023 · CDN
- added OWL Carousel Jul 2023 · JavaScript libraries
- added Redux Framework May 2023 · WordPress plugins
- added Google Analytics Apr 2023 · Analytics
- dropped Choices Feb 2023 · JavaScript libraries
2022 35 added · 4 dropped · 2 switched
- dropped Microsoft Clarity Dec 2022 · Analytics
- added RSS Dec 2022 · Miscellaneous
- dropped Animate.css Nov 2022 · UI frameworks
- dropped Calendly Nov 2022 · Appointment scheduling
- dropped core-js Nov 2022 · JavaScript libraries
- added HSTS Sep 2022 · Security
- added Open Graph Sep 2022 · Miscellaneous
- added Ace Aug 2022 · Rich text editors
- added Amazon Web Services Aug 2022 · PaaS
- added Animate.css Aug 2022 · UI frameworks
- added cdnjs Aug 2022 · CDN
- added Choices Aug 2022 · JavaScript libraries
- added Cloudflare Aug 2022 · CDN
- added Google Workspace Aug 2022 · Webmail
- added Heroku Aug 2022 · PaaS
- added jQuery Migrate Aug 2022 · JavaScript libraries
- added Lightbox Aug 2022 · JavaScript libraries
- added MailerLite Aug 2022 · Marketing automation
- added Microsoft Advertising Aug 2022 · Advertising
- added Microsoft Clarity Aug 2022 · Analytics
- added MySQL Aug 2022 · Databases
- added Pagely Aug 2022 · PaaS
- added PHP Aug 2022 · Programming languages
- added Popper Aug 2022 · Miscellaneous
- added Prism Aug 2022 · Miscellaneous
- added PWA Aug 2022 · Miscellaneous
- added React Aug 2022 · JavaScript frameworks
- added Slick Aug 2022 · JavaScript libraries
- added SyntaxHighlighter Aug 2022 · Miscellaneous
- added Turbolinks Aug 2022 · Performance
- added Twitter Emoji (Twemoji) Aug 2022 · Font scripts
- added WordPress Aug 2022 · CMS
- added XRegExp Aug 2022 · JavaScript libraries
- added Yoast SEO Aug 2022 · SEO
- added MailerLite Jul 2022 · Marketing automation
- added Cloudflare May 2022 · CDN
- added Ace Apr 2022 · Rich text editors
- added Popper Apr 2022 · Miscellaneous
- switched Extendify Contact Form 7 Feb 2022 · WordPress plugins
- switched Contact Form 7 Extendify Feb 2022 · WordPress plugins
- added Calendly Jan 2022 · Appointment scheduling
2021 14 added · 7 dropped · 1 switched
- added Animate.css Dec 2021 · UI frameworks
- dropped Google Sign-in Dec 2021 · Social logins
- switched Babel Prism Dec 2021 · Miscellaneous
- dropped Wheelio Dec 2021 · Widgets
- dropped Animate.css Nov 2021 · UI frameworks
- added cdnjs Nov 2021 · CDN
- added Turbolinks Nov 2021 · Performance
- added core-js Sep 2021 · JavaScript libraries
- added Wheelio Sep 2021 · Widgets
- added Babel Jul 2021 · Miscellaneous
- added Twitter Emoji (Twemoji) Jul 2021 · Font scripts
- added XRegExp Jul 2021 · JavaScript libraries
- dropped Lodash Jun 2021 · JavaScript libraries
- added React Jun 2021 · JavaScript libraries
- dropped Moat Apr 2021 · Analytics
- added jQuery Migrate Mar 2021 · JavaScript libraries
- added Lodash Mar 2021 · JavaScript libraries
- dropped Twitter Emoji (Twemoji) Mar 2021 · Miscellaneous
- dropped XRegExp Mar 2021 · JavaScript libraries
- added Choices Feb 2021 · Miscellaneous
- added Google Sign-in Feb 2021 · Social logins
- added Moat Feb 2021 · Analytics
2020 4 added · 1 dropped
- dropped jQuery Migrate Dec 2020 · JavaScript libraries
- added Heroku Aug 2020 · PaaS
- added Amazon Web Services Jul 2020 · PaaS
- added Pagely Jul 2020 · PaaS
- added Lightbox Jan 2020 · JavaScript Libraries
2019 11 added · 3 dropped
- dropped Amazon CloudFront Apr 2019 · CDN
- dropped Amazon Web Services Apr 2019 · PaaS
- dropped YouTube Apr 2019 · Video Players
- added Animate.css Mar 2019 · Web Frameworks
- added Google Font API Mar 2019 · Font Scripts
- added jQuery Migrate Mar 2019 · JavaScript Libraries
- added MySQL Mar 2019 · Databases
- added PHP Mar 2019 · Programming Languages
- added Slick Mar 2019 · JavaScript Libraries
- added SyntaxHighlighter Mar 2019 · Miscellaneous
- added Twitter Emoji (Twemoji) Mar 2019 · Miscellaneous
- added WordPress Mar 2019 · Blogs
- added XRegExp Mar 2019 · JavaScript Libraries
- added Yoast SEO Mar 2019 · SEO
2018 8 added · 1 dropped
- added AddThis Jul 2018 · Widgets
- dropped YouTube Jul 2018 · Video Players
- added Erlang Jun 2018 · Programming Languages
- added jQuery Jun 2018 · JavaScript Frameworks
- added jQuery UI Jun 2018 · JavaScript Frameworks
- added PDF.js Jun 2018 · Miscellaneous
- added RackCache Jun 2018 · Cache Tools
- added Ruby Jun 2018 · Programming Languages
- added Ruby on Rails Jun 2018 · Web Frameworks