Performance
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You own your availability: resilience in the age of third-party dependencies
When third-party services fail, your website — and revenue — can fail with them. Learn how to uncover hidden dependencies and use edge proxying to maintain uptime, performance, and control during outages.
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Lightweight Latency Measurement with Server-Timing
Measure end-to-end request latency with Server-Timing. See how origin, Fastly Compute, and CDN delivery timings appear in browser dev tools.
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When Moments Can’t Be Rehearsed, Preparation Is the Only Advantage That Scales
When everything is live and unforgiving, preparation is the only advantage. Learn how Fastly and Jerry Rice approach peak performance under pressure.
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CDN vs Caching: What is the Difference?
CDN and caching can get confused for one another. Learn the differences between CDN and caching to help decide what you should use for optimal web performance.
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An Indispensable Pillar of Resilience - The Human
The human operator is the ultimate pillar of resilience. Learn how Fastly empowers engineers to handle novel failures, drive systemic learning, and achieve antifragility.
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4 Recommendations to Maximize Savings and Performance with Fastly’s CDN
Boost website speed and save on egress costs with Fastly's CDN. Learn to maximize cache efficiency, reduce origin traffic, and unlock 189% ROI.
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Essential Checklist: Get Ready for Peak Traffic Season with Fastly
Stop holiday traffic outages! Learn best practices to optimize your website for peak performance, security, and sales this Black Friday season.
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Black Friday is Dead, Long Live Black Friday: Cyber 5 Traffic Insights
Black Friday isn’t the traffic spike it used to be. Fastly’s data shows holiday demand now stretches across all of November. Here’s what Cyber 5 2025 really looked like.
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Unparalleled Performance: Bring Your C++ Logic to the Edge
Bring your C++ logic to the edge with the Beta Fastly Compute SDK. Achieve unparalleled, near-native performance, low-latency, and enhanced security via WebAssembly (Wasm).
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Deploy for Performance: Fastly’s Principles of Infrastructure Diversity and Soft Control
Discover Fastly's core resilience principles: Infrastructure Diversity prevents outages, and Soft Influence optimizes traffic for peak performance.
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How Fastly and Yottaa Transform Site Performance with Early Hints
Early Hints for Compute is now generally available, dramatically improving website performance and user experience by preloading essential resources.
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Why the Future of Streaming Lives at the Edge
The future of streaming lives at the edge. Explore how Fastly reduces latency, boosts performance, and unlocks sustainable content delivery for media companies.
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Outages, Attacks, and a Need for Resilience
Cloud outages are a stark reminder of our digital economy's fragility. Learn how Fastly mitigated a major traffic failover and concurrent DDoS attacks with zero disruption.
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Optimizing your multi-CDN infrastructure to improve performance
Learn how a multi-CDN infrastructure can, and should be, optimized for performance. Get tips from Fastly on considerations to evaluate against your current content delivery strategy.
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Building Scalable Waiting Rooms with Fastly Compute
Control website traffic and prevent server overload with Fastly Compute waiting rooms. Learn how to build scalable, customizable queues for high-demand events.
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Optimizing Web Performance: Unpacking Fastly’s Intelligent Compression Defaults
Optimize web performance with Fastly's intelligent compression defaults. Learn how Gzip and Brotli shrink payload sizes, reduce costs, and speed up your site.
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Resilience by Design: Lessons in Multi-Cloud Readiness
Stay online when it matters most. Learn how Fastly's multi-cloud and edge strategies protect against outages, keeping your systems fast and reliable.
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Rewriting HTML with the Fastly JavaScript SDK
Boost web performance with Fastly’s JS SDK v3.35.0. Use the new streaming HTML rewriter to customize, cache, and transform pages faster and more efficiently.
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A Smarter ACME Challenge for a Multi-CDN World
Optimize your multi-CDN setup with Fastly's new dns-account-01 ACME challenge. Eliminate label collisions and enhance certificate management.
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How to Tame Varnish Memory Usage Safely
How Fastly turned a shelved Varnish idea into 25% fewer memory writes and real system-wide gains.
