The GoToFast Blog

Engineering insights, product updates, and web performance deep dives.

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Engineering
How We Built a 180ms Global P95 TTFB — The Hard Way
A deep dive into our edge architecture: BGP anycast routing, shared memory caches, and the latency war we've been fighting for 3 years.
TK
Thomas K. · May 12, 2025 · 12 min read
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AI / ML
Introducing Predictive Cache Warming: How Our ML Model Reads Minds
We trained a transformer model on anonymized clickstream data to predict what users will request next. Here's what we learned — and what surprised us.
AV
Anna V. · May 5, 2025 · 9 min read
Latest Posts
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Product
GoToFast 3.0: Edge Functions, Smarter Analytics, and More
Today we're launching our biggest release yet, with 14 new features.
MR
May 1, 2025 · 5 min
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Security
Anatomy of a 800Gbps DDoS Attack — and How We Stopped It
A real incident breakdown: timeline, mitigation steps, and lessons learned.
DL
Apr 22, 2025 · 8 min
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Performance
Core Web Vitals in 2025: What Actually Moves the Needle
We analyzed 500M page views. Here's what correlates with ranking improvements.
SL
Apr 15, 2025 · 7 min
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Engineering
Zero-Downtime Cache Invalidation at Scale
Purging 4B cached objects across 47 PoPs without a single 503. Here's the trick.
TK
Apr 8, 2025 · 10 min
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Infrastructure
We Just Opened Our 47th PoP — Here's Why Warsaw
Eastern Europe latency was our last big gap. Not anymore.
MR
Mar 30, 2025 · 4 min
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Integrations
GoToFast + GitHub Actions: Deploy & Purge in One Step
Our new official GitHub Action automates cache invalidation on every deploy.
DL
Mar 18, 2025 · 3 min