Engineering
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Reliable Deployments for Large Kubernetes Fleet
Struggling to scale GitOps? Discover how Fastly moved beyond standard Kubernetes tools to build a custom ArgoCD orchestration layer for safe, global multi-cluster rollouts.
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AI Agents on Fastly Compute: How it Works and What Makes it Secure
Learn how to run AI agents on Fastly Compute, leveraging the edge for low latency and WebAssembly sandboxes for enterprise-grade speed and security.
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Beyond CRUD: Advanced Features of Fastly’s KV Store
Go beyond CRUD with Fastly’s KV Store. Use metadata, generation markers and TTL to build faster, safer edge applications.
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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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Smarter Data Migration: Move Less, Save More with Fastly
Move only the active data you need with Fastly's On-Demand Migration for Object Storage. Cut expensive egress fees & simplify management with the new UI.
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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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VCL Support for Parameters in Custom Subs
Learn about Fastly's VCL syntax updates, including return values and parameters for custom subroutines, enabling better code reuse and abstraction.
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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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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.
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Design for Chaos: Fastly’s Principles of Fault Isolation and Graceful Degradation
Learn how Fastly builds a resilient CDN through fault isolation & graceful degradation. Discover our principles for minimizing disruption & ensuring continuous service.
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Fastly’s Pillars of Resilience: Building a More Robust Internet
Discover Fastly's Pillars of Resilience: unwavering availability, minimized latency, and disruption resistance for a robust internet experience with our global network.
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The Tools Gap: Why Developers Struggle to Code Green
77% of developers want to code sustainably, but most lack the tools to measure impact. Fastly’s survey reveals the barriers and opportunities in green coding.
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Publish your website without a host
Deploy static sites to Fastly Compute directly from your browser or IDE. Publish blogs, apps, and websites at the edge without hosting.
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Teach Your robots.txt a New Trick (for AI)
Control how AI bots like Google-Extended and Applebot-Extended use your website content for training. Update your robots.txt file with simple Disallow rules.
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Bridging the real-time testing gap: Fanout support in local development for Fastly Compute
Fastly Compute now supports local Fanout testing, letting you build and validate real-time features without deploying to production.
