Technology history for perusall.com

2026 4 added · 12 dropped · 5 switched

• dropped Swiper May 2026 · JavaScript libraries
• dropped YouTube May 2026 · Video players
• switched Plotly → D3 Mar 2026 · JavaScript graphics
• switched PWA → PDF.js Mar 2026 · Miscellaneous
• switched D3 → Plotly Mar 2026 · JavaScript graphics
• added Stripe Mar 2026 · Payment processors
• added Svelte Mar 2026 · JavaScript frameworks
• dropped Amazon ALB Feb 2026 · Load balancers
• dropped DataTables Feb 2026 · JavaScript libraries
• dropped Handlebars Feb 2026 · JavaScript frameworks
• dropped lit-element Feb 2026 · JavaScript libraries
• dropped lit-html Feb 2026 · JavaScript libraries
• dropped Lodash Feb 2026 · JavaScript libraries
• dropped Meteor Feb 2026 · JavaScript frameworks
• dropped MongoDB Feb 2026 · Databases
• dropped Nginx Feb 2026 · Web servers
• dropped Node.js Feb 2026 · Programming languages
• added Ace Jan 2026 · Rich text editors
• switched Canny → Sentry Jan 2026 · Issue trackers
• switched Bootstrap → Tailwind CSS Jan 2026 · UI frameworks
• added Vue.js Jan 2026 · JavaScript frameworks

2025 9 added · 1 dropped · 1 switched

• dropped Facebook Pixel Jul 2025 · Analytics
• added Envoy May 2025 · Reverse proxies
• added Vimeo Mar 2025 · Video players
• switched Babel → Webpack Mar 2025 · Miscellaneous
• added Babel Feb 2025 · Miscellaneous
• added Bootstrap Jan 2025 · UI frameworks
• added DataTables Jan 2025 · JavaScript libraries
• added Handlebars Jan 2025 · JavaScript frameworks
• added lit-element Jan 2025 · JavaScript libraries
• added lit-html Jan 2025 · JavaScript libraries
• added Lodash Jan 2025 · JavaScript libraries

2024 10 added · 8 dropped

• dropped Bootstrap Dec 2024 · UI frameworks
• dropped DataTables Dec 2024 · JavaScript libraries
• dropped Handlebars Dec 2024 · JavaScript frameworks
• dropped Lodash Dec 2024 · JavaScript libraries
• dropped Moment.js Nov 2024 · JavaScript libraries
• dropped Font Awesome Sep 2024 · Font scripts
• added YouTube Sep 2024 · Video players
• added Alpine.js Aug 2024 · JavaScript frameworks
• added FancyBox Aug 2024 · JavaScript libraries
• added jsDelivr Aug 2024 · CDN
• added Swiper Aug 2024 · JavaScript libraries
• added HubSpot Chat Jun 2024 · Live chat
• added Facebook Pixel May 2024 · Analytics
• added Ahrefs Apr 2024 · Analytics
• added Google Hosted Libraries Apr 2024 · CDN
• dropped Moment.js Apr 2024 · JavaScript libraries
• added Webflow Apr 2024 · Page builders
• dropped Envoy Feb 2024 · Reverse proxies

2023 24 added · 4 dropped · 2 switched

• added Envoy Dec 2023 · Reverse proxies
• dropped Stripe Sep 2023 · Payment processors
• added PWA Aug 2023 · Miscellaneous
• added Amazon ALB May 2023 · Load balancers
• added Amazon CloudFront May 2023 · CDN
• added Amazon S3 May 2023 · CDN
• added Amazon SES May 2023 · Email
• added Amazon Web Services May 2023 · PaaS
• added Bootstrap May 2023 · UI frameworks
• added Canny May 2023 · Issue trackers
• added DataTables May 2023 · JavaScript libraries
• added Font Awesome May 2023 · Font scripts
• added Google Workspace May 2023 · Webmail
• added Handlebars May 2023 · JavaScript frameworks
• added HSTS May 2023 · Security
• added HTTP/3 May 2023 · Miscellaneous
• added Lodash May 2023 · JavaScript libraries
• added Meteor May 2023 · JavaScript frameworks
• added Moment.js May 2023 · JavaScript libraries
• added MongoDB May 2023 · Databases
• added Nginx May 2023 · Web servers
• switched C → Node.js May 2023 · Programming languages
• added Open Graph May 2023 · Miscellaneous
• dropped PDF.js May 2023 · Miscellaneous
• added Plyr May 2023 · Video players
• added Stripe May 2023 · Payment processors
• added Zendesk May 2023 · Issue trackers
• dropped KaTeX Mar 2023 · JavaScript graphics
• switched Ruby → C Feb 2023 · Programming languages
• dropped Google Ads Conversion Tracking Jan 2023 · Analytics

2022 33 added · 6 dropped · 1 switched

• dropped Ruby on Rails Dec 2022 · Web frameworks
• added Canny Oct 2022 · Issue trackers
• dropped Webpack Oct 2022 · Miscellaneous
• dropped Envoy Sep 2022 · Reverse proxies
• switched reCAPTCHA → HSTS Sep 2022 · Security
• added Open Graph Sep 2022 · Miscellaneous
• added Amazon ALB Aug 2022 · Load balancers
• added Amazon CloudFront Aug 2022 · CDN
• added Amazon S3 Aug 2022 · Miscellaneous
• added Amazon SES Aug 2022 · Email
• added Amazon Web Services Aug 2022 · PaaS
• added Bootstrap Aug 2022 · UI frameworks
• added DataTables Aug 2022 · JavaScript libraries
• added Font Awesome Aug 2022 · Font scripts
• added Google Ads Conversion Tracking Aug 2022 · Analytics
• added Google Workspace Aug 2022 · Webmail
• added Handlebars Aug 2022 · JavaScript frameworks
• added KaTeX Aug 2022 · JavaScript graphics
• added Lodash Aug 2022 · JavaScript libraries
• added Meteor Aug 2022 · JavaScript frameworks
• added Moment.js Aug 2022 · JavaScript libraries
• added MongoDB Aug 2022 · Databases
• added Nginx Aug 2022 · Web servers
• added Node.js Aug 2022 · Programming languages
• added PDF.js Aug 2022 · Miscellaneous
• added Plyr Aug 2022 · Video players
• added React Aug 2022 · JavaScript frameworks
• added Ruby Aug 2022 · Programming languages
• added Ruby on Rails Aug 2022 · Web frameworks
• added Stripe Aug 2022 · Payment processors
• added Webpack Aug 2022 · Miscellaneous
• added Zendesk Aug 2022 · Documentation
• added Plyr Jul 2022 · Video players
• dropped Babel Jun 2022 · Miscellaneous
• dropped Twitter Jun 2022 · Widgets
• dropped Twitter Ads Jun 2022 · Advertising
• added cdnjs May 2022 · CDN
• added Google Font API May 2022 · Font scripts
• added HubSpot CMS Hub May 2022 · CMS
• added Cloudflare Network Error Logging Feb 2022 · Issue trackers

2021 26 added · 12 dropped

• dropped Google Sign-in Dec 2021 · Social logins
• dropped Wheelio Dec 2021 · Widgets
• added Cloudflare Bot Management Nov 2021 · Security
• added Envoy Nov 2021 · Reverse proxies
• dropped HubSpot Cookie Nov 2021 · Cookie compliance
• added Amazon ALB Sep 2021 · Load balancers
• added core-js Sep 2021 · JavaScript libraries
• added DataTables Sep 2021 · JavaScript libraries
• added Wheelio Sep 2021 · Widgets
• added Bootstrap Jul 2021 · UI frameworks
• added Google Remarketing Tag Jul 2021 · Retargeting
• added Google Sign-in Jul 2021 · Social logins
• added Handlebars Jul 2021 · JavaScript frameworks
• added HubSpot Cookie Jul 2021 · Cookie compliance
• added KaTeX Jul 2021 · JavaScript graphics
• added Lodash Jul 2021 · JavaScript libraries
• added Moment.js Jul 2021 · JavaScript libraries
• added PDF.js Jul 2021 · Miscellaneous
• added Ruby Jul 2021 · Programming languages
• added Ruby on Rails Jul 2021 · Web frameworks
• added Webpack Jul 2021 · Miscellaneous
• added Babel Jun 2021 · Miscellaneous
• added HubSpot Jun 2021 · Marketing automation
• added Matomo Analytics Jun 2021 · Analytics
• added Twitter Ads Jun 2021 · Advertising
• added React May 2021 · JavaScript libraries
• added Twitter May 2021 · Widgets
• added Zendesk May 2021 · Live chat
• added HubSpot Analytics Apr 2021 · Analytics
• dropped Babel Mar 2021 · Miscellaneous
• dropped Bootstrap Mar 2021 · UI frameworks
• dropped Handlebars Mar 2021 · JavaScript frameworks
• dropped Moment.js Mar 2021 · JavaScript libraries
• dropped PDF.js 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 Webpack Mar 2021 · Miscellaneous

2020 3 added · 3 dropped

• dropped React Nov 2020 · JavaScript frameworks
• added TinyMCE Oct 2020 · Rich text editors
• dropped Zendesk Aug 2020 · CMS
• added Babel Mar 2020 · Miscellaneous
• dropped Facebook Mar 2020 · Widgets
• added PDF.js Mar 2020 · Miscellaneous

2019 4 added

• added Facebook Nov 2019 · Widgets
• added reCAPTCHA Oct 2019 · Captchas
• added Google Tag Manager Jun 2019 · Tag Managers
• added Amazon Web Services Jan 2019 · PaaS