PHP-FPM性能提高技巧：优化网站静态资源加载

gzip on;
gzip_comp_level 2;
gzip_min_length 1000;
gzip_proxied expired no-cache no-store private no_last_modified no_etag auth;
gzip_types text/plain text/CSS text/xml text/javascript application/JSON application/javascript application/x-javascript application/xml application/rss+xml application/atom+xml application/rdf+xml;
gzip_vary on;

location ~* .(js|css|png|jpg|jpeg|gif|ico)$ {
    expires 30d;
    add_header Pragma public;
    add_header Cache-Control "public";
}

<?php
    $css_files = array('style1.css', 'style2.css', 'style3.css');
    $combined_css = '';

    foreach($css_files as $file) {
        $combined_css .= file_get_contents($file);
    }

    file_put_content('combined.css', $combined_css);
?>

<link rel="stylesheet" type="text/css" href="styles.css?v=1.1">

<?php
    $css_file = 'styles.css';
    $modified_time = filemtime($css_file);
    $hash = md5($modified_time);
    $new_file_name = 'styles_' . $hash . '.css';

    rename($css_file, $new_file_name);
?>

<script src="//cdn.example.com/Jquery.js"></script>
<link rel="stylesheet" type="text/css" href="//cdn.example.com/styles.css">