Content Delivery Network Blog

Video Bitrate and Quality Ladders: How to Build One Properly

Working result: a seven-rung adaptive bitrate ladder spanning 400 kbps to 6 Mbps, with rungs spaced 1.5x to 1.65x apart ...

Evaluated January 2026. AV1 cuts delivery bitrate by roughly 30–40% versus H.264 and 15–25% versus HEVC at production ...

JavaScript CDN Latency in 2026: cdnjs vs jsDelivr vs unpkg The single most useful number in our Q1–Q2 2026 JavaScript ...

Evaluated January 2026: serve AVIF first, keep WebP as the fallback, and keep HEIF out of your delivery path entirely. ...

Terminating TLS at the CDN edge moves the handshake from a round trip you can't shorten to one you can. A cold TLS 1.3 ...

You can have correct ETag headers and working 304 revalidation across origin and CDN edge in about 30 minutes on an ...

GDPR does not require that your content be cached inside the European Union. It requires that you know where personal ...

As we step into 2025, free CDN providers have emerged as a compelling option, offering a taste of high-performance ...

As we approach 2024, the technological landscape continues to evolve at a breathtaking pace. For Chief Technology ...