Enable compression

Good day. Have problem with my GTmetrix score as it shows me to enable compression for the following elements:

Compressing https://www.youtube.com/s/player/e3cd195e/player_ias.vflset/en_US/base.js could save 869.2KiB (67% reduction).

Compressing https://www.youtube.com/iframe_api could save 369B (43% reduction).

Compressing https://www.youtube.com/player_api?_=1590150129080 could save 369B (43% reduction).

I chose Iframes & Videos and Replace Youtube videos by thumbnail. Lazy load for Images i use from litespeed due to some problems with this lazy load plugin (i have lots of DOM elements). Seems Gtmetrix shows to compress Iframe, but it doesn’t. I have some youtube players on the page https://monitorium.net but they should be lazy load, but doesn’t. Is it possible to solve this problem? Thx.

The page I need help with: [log in to see the link]