News & Insights
Expert guides on server-side tracking, ad optimization, and e-commerce data accuracy.
Should You Run Server-Side GTM on Your Own VPS?
Hosting sGTM on your own VPS looks cheaper. Here's what it really costs in downtime, security and upkeep, with 30 days of numbers from the 500-plus server containers we run.
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What Happens to Your Tracking When Your Server GTM Goes Down
Every server-side GTM host has moments when the server can't be reached, and the browser doesn't keep the hits sent during them. We counted how often it happens across PixelFly, looked at what the error codes mean, and built a way to get those events back.
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How Ad Blockers Are Killing Your Facebook Ad Data (And What to Do About It)
Ad blockers now affect over 40% of web users, silently destroying your Facebook Pixel data and inflating your CPAs. Learn how server-side tracking recovers lost conversions and fixes your ad optimization.
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Server-Side vs Client-Side Tracking: Which One Should You Use in 2026?
Client-side tracking is losing ground to privacy tools, browser restrictions, and ad blockers. Here is an honest comparison of server-side vs client-side tracking to help you decide the right approach for your business.
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