Technology history for levels.fyi

2026 2 added · 5 dropped

• dropped Chart.js Mar 2026 · JavaScript graphics
• dropped Clickbank Mar 2026 · Affiliate programs
• dropped Rewardful Mar 2026 · Affiliate programs
• added PayPal Feb 2026 · Payment processors
• dropped Sentry Feb 2026 · Issue trackers
• dropped Snowplow Analytics Jan 2026 · Analytics
• added Turbopack Jan 2026 · Development

2025 12 added · 4 dropped · 3 switched

• dropped Vue.js Dec 2025 · JavaScript frameworks
• dropped Cloudflare Bot Management Nov 2025 · Security
• added Radix UI Nov 2025 · UI frameworks
• switched Linkedin Insight Tag → Snowplow Analytics Nov 2025 · Analytics
• dropped Unpkg Nov 2025 · CDN
• dropped Calendly Oct 2025 · Appointment scheduling
• added Emotion Oct 2025 · JavaScript frameworks
• added MUI Oct 2025 · UI frameworks
• added Next.js Oct 2025 · JavaScript frameworks
• added Node.js Oct 2025 · Programming languages
• added PDF.js Oct 2025 · Miscellaneous
• switched crypto-js → PubSubJS Oct 2025 · JavaScript libraries
• added React Oct 2025 · JavaScript frameworks
• added Sentry Oct 2025 · Issue trackers
• added Vue.js Oct 2025 · JavaScript frameworks
• added Webpack Oct 2025 · Miscellaneous
• added Calendly Aug 2025 · Appointment scheduling
• switched Cloudflare → Unpkg Aug 2025 · CDN
• added Cloudflare Bot Management Jun 2025 · Security

2024 1 added

• added Linkedin Insight Tag Nov 2024 · Analytics

2023 5 added · 3 dropped

• dropped Calendly Jul 2023 · Appointment scheduling
• dropped Cloudflare Bot Management Jul 2023 · Security
• added CookieYes Jul 2023 · Cookie compliance
• added Calendly May 2023 · Appointment scheduling
• added Cloudflare Bot Management May 2023 · Security
• dropped C Apr 2023 · Programming languages
• added C Feb 2023 · Programming languages
• added Apple iCloud Mail Jan 2023 · Webmail

2022 15 added · 1 dropped

• added Amazon SES Nov 2022 · Email
• added HSTS Sep 2022 · Security
• added HTTP/3 Sep 2022 · Miscellaneous
• added Open Graph Sep 2022 · Miscellaneous
• added Cloudflare Aug 2022 · CDN
• added crypto-js Aug 2022 · JavaScript libraries
• added Google Workspace Aug 2022 · Email
• added Microsoft Clarity Aug 2022 · Analytics
• added Stripe Aug 2022 · Payment processors
• added Zoho Aug 2022 · CRM
• added Zoho Mail Aug 2022 · Email
• added Microsoft Clarity Jun 2022 · Analytics
• dropped Tailwind CSS Jun 2022 · UI frameworks
• added Cloudflare May 2022 · CDN
• added crypto-js Apr 2022 · JavaScript libraries
• added Tailwind CSS Apr 2022 · UI frameworks

2021 2 added · 2 dropped

• dropped jQuery UI Nov 2021 · JavaScript libraries
• added Crisp Live Chat Jul 2021 · Live chat
• added Facebook Pixel Jul 2021 · Analytics
• dropped Mixpanel Mar 2021 · Analytics

2020 6 added · 3 dropped

• dropped parcel Dec 2020 · Miscellaneous
• added reCAPTCHA Dec 2020 · Security
• dropped Heap Sep 2020 · Analytics
• added Mixpanel Sep 2020 · Analytics
• added parcel Sep 2020 · Miscellaneous
• added Font Awesome Jul 2020 · Font scripts
• added Heap Jul 2020 · Analytics
• added jsDelivr Jul 2020 · CDN
• dropped Amplitude Jun 2020 · Analytics

2019 15 added · 2 dropped

• added Google Tag Manager Nov 2019 · Tag Managers
• added Amplitude Sep 2019 · Analytics
• added Facebook Aug 2019 · Widgets
• dropped Font Awesome Jul 2019 · Font Scripts
• added Moment.js Jun 2019 · JavaScript Libraries
• added Amazon CloudFront Mar 2019 · CDN
• added Amazon S3 Mar 2019 · Miscellaneous
• added Amazon Web Services Mar 2019 · PaaS
• added Animate.css Mar 2019 · Web Frameworks
• added Bootstrap Mar 2019 · Web Frameworks
• added Clipboard.js Mar 2019 · Miscellaneous
• added Font Awesome Mar 2019 · Font Scripts
• added Google Analytics Mar 2019 · Analytics
• added Google Font API Mar 2019 · Font Scripts
• added jQuery Mar 2019 · JavaScript Libraries
• added jQuery UI Mar 2019 · JavaScript Libraries
• dropped MailChimp Mar 2019 · Marketing Automation