Set up keyword preloading why doesn't it work?

Question

Mathematics

I have the Swap Google Fonts Display plugin and added

add_filter( 'generate_google_font_display', function() {
return 'swap';
} ) to functions.php ;

add_action( 'wp_enqueue_scripts','tu_remove_google_fonts', 10 );
function tu_remove_google_fonts() {
wp_dequeue_style( 'generate-fonts' );
}

nothing helps, how to fix the error?

Answer 1

Any student who knows how to link 2 lines in php knows that promo codes should be generated not according to some algorithm, but randomly and kept in the database. And in Yandex, schoolchildren are far from sitting.

Answer 2

If you need to calculate exactly the algorithm when only its results are from the input data, then the easiest way is to check this by enumeration of known algorithms. From the banal random to anything.
But in this case, it's useless. Because even if the promo code is correct, it can simply be activated - i.e. there is no way to check the validity of the generated promotional code for sure.

Answer 3

Theoretically, the problem can be solved. In practice - rather not, given that there are countless generation algorithms.

Answer 4

In my opinion, if you want to know what algorithm they use, then it would be ideal to get a job at Yandex.Taxi, get access to the source code and enjoy the found code fragment) And listen to riot26

Answer 5

You need to manually add preload keys for the resources shown in PageSpeed. For example,