Get everything you need from a modern CDN — from effortless scale and built-in security to programmable control and full visibility.
All blog posts
Page 9 of 62
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.
Meet Image Optimizer in Compute: Flexible Image Workflows at the Edge
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.
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.
Wikipedia Tells AI Companies to "Stop Scraping"
Wikipedia cracks down on AI scraping, citing server strain and lost traffic. See why publishers are fighting back and turning to bot management.
Preventing outages with resilient architectures
Fastly’s resilient architecture principles prevent outages, mitigate severity, and deliver on our availability promises without compromising performance.
The New 2025 OWASP Top 10 List: What Changed, and What You Need to Know
The 2025 OWASP Top 10 list is here! Discover what changed, the two new categories, and how to secure your applications against emerging threats.
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.
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.
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.
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.
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.
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.
Increasing the accessibility of managed security services
Make world-class protection accessible. Fastly’s new Managed Security Professional delivers 24/7 expert defense for your most critical apps and APIs.
Build for Scale: Fastly’s Principles of Distributed Decision Making and Self-healing Systems
Learn how Fastly's distributed decision-making and self-healing systems build a resilient, high-performance network. Discover key benefits and examples.
Your API Catalog Just Got an Upgrade
Discover, monitor, and secure your APIs with Fastly API Discovery. Get instant visibility, cut the noise, and keep your APIs secure and compliant.
3 Costly Mistakes in App and API Security and How to Avoid Them
Avoid costly app and API security mistakes. Learn how to streamline WAF evaluation, estimate TCO, and embrace agile development for optimal security.
DDoS in September
Fastly's September 2025 DDoS report details modern application attacks. Get insights and guidance to strengthen your security initiatives.
How to Tame Varnish Memory Usage Safely
How Fastly turned a shelved Varnish idea into 25% fewer memory writes and real system-wide gains.