Posting what the devs are up to and enjoying at Fastly. You know - docs, code, potions, etc. 📝 💾 ⚗️
🎄The DDoS attack that almost stole Christmas
Our latest DDoS Weather Report breaks down the largest DDoS attack of 2025, which hit on December 25. The “Grinch Attack” combined massive Layer 7 floods with network-level attacks, peaking at 100M+ requests per second and lasting for days.
Backed by insights from Fastly’s 497 Tbps global edge network, the report reveals how attackers are getting more sophisticated—and what it takes to stop them automatically, on holidays.
Building AI agents? Get optimal speed and built-in security by running them at the edge. See how to implement agent loops with LLM APIs on Fastly Compute.
https://www.fastly.com/blog/ai-agents-fastly-compute-how-it-works-what-makes-it-secure
🔓 Break free from ESI lock-in
Run your existing ESI logic on Fastly’s global network ⚡—and refactor into modern, programmable edge apps when you’re ready 🚀
No rip-and-replace. Just flexibility.
📖 Read the blog to learn more. https://www.fastly.com/blog/break-free-esi-vendor-lockin-learn-how-migrate-fastly-today
📰 Customer spotlight: Bonnier News x Fastly
Fastly helped Bonnier News, with 200+ brands across Europe, deliver faster sites, stronger security, and quicker innovation—even during high-traffic moments like elections.
See how they’re building safer, more resilient digital experiences → https://www.fastly.com/customers/bonnier-news
👏 Shoutout to the UX Team!
Behind every seamless experience our customers enjoy is a team of software engineers who build user interfaces with intention. By deeply understanding our users & translating complex systems into elegant, performant applications, they create intuitive dashboards, smooth onboarding flows, & thoughtful interactions.
Want to join the team? Check out our openings: http://www.fastly.com/careers
🔐 Fastly recently launched new Security packages!
Simpler pricing, layered protection, and the flexibility to start small and grow as your needs evolve 🛡️
Secure your apps, APIs, and users without added complexity.
📖 Read the blog to learn more: https://www.fastly.com/blog/building-resilient-applications-with-layered-security
Proud to support the Rust ecosystem!
The Rust Infrastructure Team shared their Q4 2025 recap + Q1 2026 plans, including serving crates.io and docs.rs via Fastly ⚡
Fastly Shielding helps reduce origin load and improve reliability at scale 🌍
👏 Kudos to the Rust Infra Team and contributors.
📖 Read the full post on the Rust Foundation (@rustfoundation) blog. https://blog.rust-lang.org/inside-rust/2026/01/13/infrastructure-team-q4-2025-recap-and-q1-2026-plan/#crates-io-index-and-docs-rs-served-via-fastly
Every click counts ⚡ With Fastly, you can:
1️⃣: Measure your performance with key metrics
2️⃣: Serve dynamic content from cache
3️⃣: Prioritize critical requests
4️⃣: Leverage real-time observability and control
Learn how to maximize your CDN and save costs in our latest blog 👉: https://www.fastly.com/blog/4-recommendations-maximize-savings-performance-with-fastlys-cdn
🎬 Customer spotlight: Shutterstock x Fastly — scaling AI content and creative assets globally
In just 90 days, Shutterstock delivered 115+ PB of AI-driven content with Fastly, while cutting storage and delivery costs and maintaining predictable, global performance.
Read the full case study to see how Fastly supports AI-driven workloads at scale → https://www.fastly.com/customers/shutterstock
When millions of fans check scores at once, latency isn’t an option. ⚽️
Sofascore serves real-time sports data to 34.5M users, with traffic spikes up to 20x. With Fastly, they cut latency by up to 10x, hit 97–99% cache rates, and handled peak moments with confidence.
👉 Read the case study: https://www.fastly.com/customers/sofascore
📅 We’re excited to bring Xcelerate 2026 to these cities around the world 🌍
Xcelerate brings together builders, customers, and partners to share real-world use cases, lessons learned, and how teams are preparing for the agentic AI wave — all powered by Fastly.
If you’re building, scaling, or securing modern digital experiences, we’d love to see you there.
🎟️ Free to attend (space is limited)
👉 Register your interest: https://learn.fastly.com/xcelerate
Proud to support the Python Software Foundation (@ThePSF) as a Fast Forward member and help power PyPI at global scale.
Their 2025 Year in Review (Link) highlights just how massive the Python ecosystem is:
• 3.9M+ new files published
• 130K+ new projects created
• 1.92 exabytes transferred
• 2.56T requests served
• 81K requests/sec on average
Honored to help support the infrastructure behind the Python community 💙
🚀 Fascinating Hacker News thread: “Aroma: Every TCP Proxy Is Detectable with RTT Fingerprinting.”
Sakura-sx uses Fastly’s global PoPs (one pictured below) & Custom VCL to expose TCP socket data and detect proxies in real time. Fastly = more than a CDN—it's a platform for edge networking experiments.
Read more and try the demo: https://news.ycombinator.com/item?id=46386878
Leading digital innovators trust Fastly for fast, secure, and reliable experiences—without slowing down developers. 2026 is the year to switch over to Fastly.
Learn more: www.fastly.com
Applications for our Summer 2026 Intern cohort are officially open! 🚀
We’re honored to be #1 in Vault’s 2026 Rankings for Best Internships in Software Engineering & Development.
Join us to work on real projects, learn from incredible teams, and jumpstart your career.
Apply here: https://www.fastly.com/about/jobs/apply?gh_jid=7512114&gh_src=aavtu3mk1us
#Internship2026 #SoftwareEngineering #FastlyCareers #VaultRankings
Do more with Fastly’s KV Store beyond basic CRUD
Hidden gems like metadata, generation markers, and insert-only writes let you build smarter, more robust edge applications—without the complexity.
Learn how to unlock advanced patterns for feature flags, concurrency control, and ephemeral data.
🔗 Dive deeper: https://fastly.com/blog/beyond-crud-advanced-features-of-fastlys-kv-store
Streaming 200–400 live sports events weekly in 4K takes serious scale.
Foxtel Group added Fastly to their multi-CDN strategy:
🚀 On-demand capacity for 1M+ viewers
🤖 API-first automation across 60+ video configs
👀 Real-time visibility to quickly solve playback issues
Flawless 4K sports on Foxtel, Kayo Sports & BINGE.
Read the full story: https://www.fastly.com/customers/foxtel
#StreamingMedia #LiveSports #4KStreaming #Fastly #CDN #Observability
Pop quiz: What delivers your content faster than your morning coffee the day after New Years? ☕💨
Answer: Our Fastly PoP #InsideAFastlyPoP
Proud to announce that Fastly Next-Gen WAF has been selected as a finalist in the Best DevSecOps Solution category for the 2025 #DevOpsDozensAwards! 🏆
Please VOTE now for the ultimate honorees in 23 categories. Voting ends this Wednesday- Dec. 31,2025.
🎄✨ Happy Holidays from all of us at Fastly!
We’re grateful for our customers, community & teammates who make the internet faster & safer every day.
We’ll be offline for Wellness Week starting today–Jan 5 to rest & recharge. See you in 2026! 💫