Why does google analytics scripts take a long time to load?

Question

JavaScript

Good afternoon, there is a landing page, it has google analytics installed and the leadback callback service. The landing takes a very long time to load, and the reason is precisely in these scripts. What can be done to speed up the site and reduce the voracity of these scripts? On another site, these scripts work well and do not create problems.

Answer 1

it’s not that they take a long time to load, they just don’t load, there is a chance that someone is blocking them, for example some kind of adblock, or other blockers