a2enmod deflate
a2enmod headers

nano /etc/apache2/conf-available/gzip.conf

<IfModule mod_deflate.c>
    # Сжимать только текстовые типы
    AddOutputFilterByType DEFLATE text/html text/plain text/xml text/css
    AddOutputFilterByType DEFLATE application/javascript application/x-javascript
    AddOutputFilterByType DEFLATE application/json application/xml
    AddOutputFilterByType DEFLATE application/xml+rss application/rss+xml
    AddOutputFilterByType DEFLATE image/svg+xml

    # Не сжимать уже сжатое
    SetEnvIfNoCase Request_URI \.(?:gif|jpe?g|png|webp|ico|zip|gz|rar|7z|mp4|mp3|woff2?)$ no-gzip dont-vary

    # Не сжимать для древних браузеров
    BrowserMatch ^Mozilla/4 gzip-only-text/html
    BrowserMatch ^Mozilla/4\.0[678] no-gzip
    BrowserMatch \bMSIE !no-gzip !gzip-only-text/html

    # Заголовок Vary для прокси
    Header append Vary Accept-Encoding
</IfModule>

apache2ctl configtest

service apache2 restart

curl -I -H "Accept-Encoding: gzip" http://localhost/pw_web_sait/lk/Frontend/public/css/style.css