What happened to css links?

Question

Yii

After the transfer of the site, the links took on a strange look:

moreover, they are working, they lead to the assets folder, apparently.
Changes in css files are not picked up.
How to return the old type site.com/css/style.css ?
PS after restarting the browser, everything returned to its place o_O
PPS No, it didn’t. (Randomly shows different links

Answer 1

installed on the server https://developers.google.com/speed/pagespeed/module/
for apache is disabled in the .htaccess file

<IfModule pagespeed_module>
    ModPageSpeed off
</ifModule>