Adding third-party code to your pages.
WHAT THEY COST
Every tracking script is a request, a download and execution time. Several of them together are frequently the slowest part of a page.
They also collect personal data, which brings obligations.
PRACTICAL MEASURES
Add what you actually use, and remove what you do not Load them asynchronously so they do not block rendering Consider a tag manager if you have several, which at least centralises them
Audit periodically: most sites carry scripts for services abandoned years ago
PRIVACY
Say what you collect in your privacy notice. Under the NDPR and comparable frameworks, tracking visitors carries obligations.
Consider whether you need a consent mechanism for your audience.
MEASURING THE COST
Load a page with and without the scripts and compare. The difference is frequently larger than people expect.
WHAT TO KEEP
One analytics platform, configured properly, used regularly.
WHAT TO REMOVE
Scripts nobody looks at the data from Duplicate tracking from two platforms Anything added for a campaign that ended
