Unparalleled Performance: Bring Your C++ Logic to the Edge
Staff Software Engineer, WebAssembly
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).
All blog posts
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Unparalleled Performance: Bring Your C++ Logic to the Edge
Kat Marchán, Sy Brand
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).
Engineering+ 4 more
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Deploy for Performance: Fastly’s Principles of Infrastructure Diversity and Soft Control
Brian Haberman
Discover Fastly's core resilience principles: Infrastructure Diversity prevents outages, and Soft Influence optimizes traffic for peak performance.
Performance+ 2 more
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CAPTCHAs Are Costing Retailers Customers — Heavy AI Users Are the First to Walk Away
Alina Lehtinen-Vela
Our original survey of 881 online shoppers shows CAPTCHAs are quietly killing conversions — especially among heavy AI users, who are the quickest to walk away.
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Fastly’s Proactive Protection for React2Shell, Critical React RCE CVE-2025-55182 and CVE-2025-66478
Kelly Shortridge
Protect your apps from the critical React RCE bugs (CVE-2025-55182/66478). Fastly's NGWAF Virtual Patch provides proactive defense.
Security
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How Fastly and Yottaa Transform Site Performance with Early Hints
Ajay Bharadwaj, Terri Allegretto
Early Hints for Compute is now generally available, dramatically improving website performance and user experience by preloading essential resources.
Compute+ 4 more
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Why the Future of Streaming Lives at the Edge
John Agger, Ashley Hurwitz
The future of streaming lives at the edge. Explore how Fastly reduces latency, boosts performance, and unlocks sustainable content delivery for media companies.
Edge network+ 3 more
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Mitigating DDoS attacks faster and with even more accuracy
Liam Mayron, David King
Learn how Fastly's Adaptive Threat Engine update for DDoS Protection boosts mitigation accuracy and reduces Mean Time to Mitigation by 72% for the holidays.
SecurityProduct
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Outages, Attacks, and a Need for Resilience
Austin Spires
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.
CDN & Delivery+ 4 more
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Meet Image Optimizer in Compute: Flexible Image Workflows at the Edge
James Sherry
Fastly’s Image Optimizer is now available in Compute, letting developers build flexible, programmable image optimization workflows at the edge with full control and scale.
CDN & Delivery+ 2 more
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Optimizing your multi-CDN infrastructure to improve performance
Natalie Griffeth
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.
CDN & DeliveryPerformance
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Wikipedia Tells AI Companies to "Stop Scraping"
Natalie Griffeth
Wikipedia cracks down on AI scraping, citing server strain and lost traffic. See why publishers are fighting back and turning to bot management.
SecurityIndustry insights
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The New 2025 OWASP Top 10 List: What Changed, and What You Need to Know
Natalie Griffeth
The 2025 OWASP Top 10 list is here! Discover what changed, the two new categories, and how to secure your applications against emerging threats.
Security
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VCL Support for Parameters in Custom Subs
Katherine Flavel
Learn about Fastly's VCL syntax updates, including return values and parameters for custom subroutines, enabling better code reuse and abstraction.
DevOpsEngineering -
Building Scalable Waiting Rooms with Fastly Compute
Brock Norvell, Terri Allegretto, + 1 more
Control website traffic and prevent server overload with Fastly Compute waiting rooms. Learn how to build scalable, customizable queues for high-demand events.
Compute+ 4 more
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Optimizing Web Performance: Unpacking Fastly’s Intelligent Compression Defaults
Stephen Stierer, Anjan Srinivas
Optimize web performance with Fastly's intelligent compression defaults. Learn how Gzip and Brotli shrink payload sizes, reduce costs, and speed up your site.
CDN & Delivery+ 2 more
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Rewriting HTML with the Fastly JavaScript SDK
Sy Brand
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.
Compute+ 4 more
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Resilience by Design: Lessons in Multi-Cloud Readiness
Austin Spires
Stay online when it matters most. Learn how Fastly's multi-cloud and edge strategies protect against outages, keeping your systems fast and reliable.
CDN & Delivery+ 2 more
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A Smarter ACME Challenge for a Multi-CDN World
Shiloh Heurich
Optimize your multi-CDN setup with Fastly's new dns-account-01 ACME challenge. Eliminate label collisions and enhance certificate management.
CDN & Delivery+ 3 more -
Increasing the accessibility of managed security services
Cody Arnold
Make world-class protection accessible. Fastly’s new Managed Security Professional delivers 24/7 expert defense for your most critical apps and APIs.
ProductSecurity
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Build for Scale: Fastly’s Principles of Distributed Decision Making and Self-healing Systems
Brian Haberman
Learn how Fastly's distributed decision-making and self-healing systems build a resilient, high-performance network. Discover key benefits and examples.
