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.
Read Article
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.
Read Article
GTM4WP Bug: Android Facebook & Instagram Purchases Weren't Tracked
A bug in GTM4WP before 2.0.6 hid every WooCommerce purchase made inside the Facebook and Instagram apps on Android, from Meta, GA4 and server-side tracking alike. Here's how we found it in PixelFly's logs, how to check your store, and the one-update fix.
Read Article
How to Set Up Meta Conversions API (CAPI) Without Google Cloud in 2026
Setting up Meta CAPI shouldn't require a computer science degree. Learn how to implement Facebook Conversions API in under 5 minutes without touching Google Cloud Platform, server GTM, or writing a single line of code.
Read Article
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.
Read Article
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.
Read Article
How to Track COD Orders and Delayed Purchases for Facebook Ads in Bangladesh
Cash-on-delivery dominates Bangladesh e-commerce, but standard Facebook tracking misses COD conversions entirely. Learn how to properly track delayed purchases, reduce fake orders, and optimize your ad spend.
Read ArticleStay Ahead of the Curve
Get the latest insights on server-side tracking, ad optimization, and e-commerce data accuracy.
Get in Touch