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Performance

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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
    An illustration of a keyboard with a lever in the middle and a hand pushing the lever forward

  • 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
    Prepare for peaks

  • 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

  • How to Tame Varnish Memory Usage Safely

    Daniel Axtens

    How Fastly turned a shelved Varnish idea into 25% fewer memory writes and real system-wide gains.

    CDN & Delivery
    + 4 more
    Topping of pyramid

  • 4 Tips for Developers for Using Fastly’s Sustainability Dashboard

    Leon Brocard

    Track the real-world emissions of your Fastly workloads. This blog shares practical tips on using the Sustainability dashboard for greener, faster code.

    Performance
    + 3 more

  • Fastly’s Pillars of Resilience: Building a More Robust Internet

    Brian Haberman

    Discover Fastly's Pillars of Resilience: unwavering availability, minimized latency, and disruption resistance for a robust internet experience with our global network.

    CDN & Delivery
    + 4 more

  • Request Collapsing Demystified

    Stephen Crim

    Boost website performance with request collapsing! Learn how it improves efficiency, reduces origin load, and optimizes caching for a snappy user experience.

    Performance
    + 2 more
    An illustration of a keyboard with a lever in the middle and a hand pushing the lever forward

  • Trust at Scale with Fastly Image Optimizer and C2PA

    James Sherry

    Fastly Image Optimizer now supports C2PA, enabling verifiable content authenticity. Combat misinformation and build trust with secure image provenance at scale.

    CDN & Delivery
    + 2 more

  • Fastest Sites Run on Fastly

    Leon Brocard

    Make your site 25%+ faster with Fastly’s programmable edge. See why the fastest media sites — from Vox.com to Business Insider — run on Fastly.

    Performance
    + 2 more

  • ETags: What they are, and how to use them

    Leon Brocard

    How to optimize your ETags to speed up your site and reduce calls to your origin without requiring significant code refactoring or content overhaul.

    DevOps
    + 2 more

  • Unlock Faster Web Performance: The Data Behind Fastly's Edge Over Akamai

    Lucas Olslund

    Discover why migrating from Akamai to Fastly boosts web performance. Our data shows 57% faster TTFB & 17% faster LCP, based on real-world CrUX data.

    CDN & Delivery
    Performance

  • Taking Back Control: How Publishers Can Push Back on Unwanted AI Scraping

    John Agger

    Take control of AI scraping. Learn how publishers can push back against unwanted data harvesting with Fastly's AI Bot Management & new monetization opportunities.

    Security
    + 2 more

  • Over a decade later: The evolution of instant purge

    Tyler McMullen, Julien Benoist

    Explore the decade-long evolution of Fastly's instant purge technology. Learn about our decentralized approach, challenges faced, and innovations in scalability.

    Performance
    + 2 more

  • Using cURL to Test Origin Server Responses

    Matt Torrisi

    Curl, or cURL, is a utility that’s shipped by default on operating systems like MacOS and many Linux distributions that allows you to send an HTTP request to a URL and receive the result. In this post, we’ll walk you through how to use the tool to test an origin server’s response.

    Engineering
    Performance

  • Building vs Buying a CDN: Choosing the Right Global Network Infrastructure

    John Agger

    Should you build or buy a CDN? Learn the pros and cons of building vs. using CDN services for your global network infrastructure. Make the right choice for your business.

    Performance
    + 2 more

  • Empowering the Open Web: How Fastly Supports Organizations Like ToS;DR

    Austin Spires

    Empowering the Open Web: Learn how Fastly supports ToS;DR, a non-profit that makes internet terms of service easy to understand and improves online transparency.

    CDN & Delivery
    + 2 more

  • Supercharge DevOps with a Developer-Friendly CDN

    Mili Mathews

    Discover how a developer-friendly CDN can enhance DevOps workflows, improve performance, and deliver seamless user experiences with Fastly and Google Cloud.

    CDN & Delivery
    + 3 more

  • AI Innovation and Sustainability: Key Takeaways from the AI Action Summit

    Simon Wistow

    Delve into the highlights of the AI Action Summit in Paris, where experts addressed pressing issues in AI, including ethics, regulation, and the sustainability of technology.

    CDN & Delivery
    + 2 more

  • The lengthiest HTTP headers

    Leon Brocard

    Discover how large HTTP headers can impact your web page's loading speed. Learn about essential headers and strategies to optimize their size for better performance.

    CDN & Delivery
    + 2 more

  • Profiling Fastly Compute Applications

    Leon Brocard

    Unlock superior web performance with Fastly Compute. Utilize our edge network and WebAssembly to build fast, secure applications tailored for your users.

    Compute
    + 2 more
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