All blog posts
Page 8 of 50
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AI Energy Pulse Check 2025: Insights from Nearly 500 Experts
Fastly’s 2025 AI Pulse Check reveals how sustainability and infrastructure leaders are tracking AI energy use, cutting redundant queries, and navigating the edge vs cloud debate.
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Fastly Achieves "Deployed on AWS" Status
Fastly earns "Deployed on AWS" status, enhancing procurement and savings for AWS Marketplace users. Explore our cloud-optimized CDN and security solutions today.

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Edge vs Cloud: Where Should AI Live?
In this article, Simon Wistow shares why hybrid AI is gaining ground and how semantic caching unlocks better performance and sustainability.
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Over a decade later: The evolution of instant purge
Explore the decade-long evolution of Fastly's instant purge technology. Learn about our decentralized approach, challenges faced, and innovations in scalability.

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Smarter Security Operations: Embracing Detection-as-Code
Modernize security with Detection-as-Code. Learn how to automate threat detection & response using DevSecOps & tools like Fastly's WAF Simulator.

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AppSec in Q1 2025: Trends from Fastly's Latest Report
Fastly's Q1 2025 Threat Report: Key insights on web attacks, bot traffic, and how to defend your apps & APIs. Read the full report now.

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What is Cache Control?
The Cache-Control response header is one of HTTP’s more widely known header fields; it allows a site to control how caches handle their data in CDNs, browsers, and elsewhere
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Replacing Client-side JavaScript SDKs with WebAssembly Components at the Edge
Edgee and Fastly team up to replace client-side JavaScript SDKs with WebAssembly at the edge, improving performance, security, and data collection.

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CISO Perspective: Q1 2025 Threat Insights Report
Get CISO Marshall Erwin's take on Fastly's Q1 2025 threat report, including shifts in attacks on e-commerce, bot traffic trends, and supply chain risks.

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Write less, do more at the edge: Introducing expressly
Build faster with Expressly on Fastly’s edge. Simplify routing, cookies, and errors in JavaScript apps with less code.

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How to choose the right WAF
Not all WAFs are created equal, but how can you navigate the complicated market? Find out how to choose the best WAF for your organization.

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Six years in a row: Fastly once again named Customers’ Choice for Cloud WAAP
Fastly has been recognized in the 2024 Gartner® Peer Insights™ Voice of the Customer for Cloud Web Application and API Protection.
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Regex in retrograde
If we want to outmaneuver attackers, then we must progress beyond regex into a more modern era of detection.
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We should still teach coding
We should still teach coding, AI can't replace the critical thinking, creativity, and problem-solving skills that programming instills.

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The Internet Is Physical, So Let’s Rethink Its Sustainability
Explore the environmental impact of the internet’s physical infrastructure and new approaches to sustainable digital growth.

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Invisible Intruders – How Bots Sabotage Streaming Services
Learn how bots disrupt streaming services, causing outages and fraud, and what can be done to protect digital content and improve user experience.

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Take Back Control: Make AI Bots Play by Your Rules
Take back control of your content. Fastly AI Bot Management lets you manage AI bots, block unauthorized scraping, & protect your intellectual property.

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Global Streaming Trends: How Bundling Strategies Are Changing
Key insights from Streaming Summit 2025: bundling, discovery, and monetization strategies in the evolving streaming landscape.

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Memory flaw in Cranelift module
The bug identified in the Cranelift x64 backend performs a sign-extend instead of a zero-extend on a value loaded from the stack, when the register allocator reloads a spilled integer value narrower than 64 bits. This interacts poorly with another optimization: the instruction selector elides a 32-to-64-bit zero-extend operator when we know that an instruction producing a 32-bit value actually zeros the upper 32 bits of its destination register. Hence, the x64 compiler relies on these zeroed bits, but the type of the value is still i32, and the spill/reload reconstitutes those bits as the sign extension of the i32’s MSB.
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Tackling Real-Time Ad Personalization for Live Streaming at the Edge
Discover how Fastly helped a major North American broadcaster overlay customized ads on live streams—without adding latency.











