functions you can add right100 Essential PHP Snippets for Enhancing WordPress Performance

function enable_gzip_compression() { /* Code to enable GZIP Compression */ }
Defer Parsing of JavaScript

function defer_parsing_of_js( $url ) { /* Code to defer JS parsing */ }

function remove_query_strings() { /* Code to remove query strings */ }

function disable_emojis() { /* Code to disable emojis */ }

function add_lazy_load($content) { /* Code for lazy loading images */ }

define('WP_POST_REVISIONS', 5);

function disable_embeds_code_init() { /* Code to disable embeds */ }

remove_action('wp_head', 'wp_generator');

add_filter('xmlrpc_enabled', '__return_false');

function disable_feeds() { /* Code to disable feeds */ }

remove_action('wp_head', 'wlwmanifest_link');

function disable_self_pingbacks( &$links ) { /* Code to disable self pingbacks */ }

function remove_jquery_migrate($scripts) { /* Code to remove jQuery migrate */ }

function disable_heartbeat() { /* Code to disable Heartbeat API */ }

define('WP_POST_REVISIONS', 3);

function dequeue_dashicon() { /* Code to dequeue dashicons */ }

remove_action('wp_head', 'wp_shortlink_wp_head');

remove_action('wp_head', 'rsd_link');

remove_action('wp_head', 'wlwmanifest_link');

function optimize_database() { /* Code to optimize database */ }

function disable_autosave() { /* Code to disable autosave */ }

function remove_dashboard_widgets() { /* Code to remove widgets */ }

function minify_css_js() { /* Code to minify CSS and JS */ }

function combine_css_js() { /* Code to combine CSS and JS files */ }

function async_load_css_js() { /* Code for async loading */ }

function optimize_image_sizes() { /* Code to optimize images */ }

function serve_scaled_images() { /* Code to serve scaled images */ }

function serve_next_gen_images() { /* Code for next-gen images */ }

function prefetch_dns_requests() { /* Code for DNS prefetch */ }

function reduce_external_http() { /* Code to reduce external HTTP requests */ }

function reduce_database_calls() { /* Code to reduce DB calls */ }

function optimize_background_processes() { /* Code for optimizing background processes */ }

function implement_object_caching() { /* Code for object caching */ }

function enable_server_side_caching() { /* Code for server-side caching */ }

function optimize_web_fonts() { /* Code for optimizing web fonts */ }

function lazy_load_videos() { /* Code for lazy loading videos */ }

function optimize_css_delivery() { /* Code for optimizing CSS delivery */ }

function inline_critical_css() { /* Code for inlining critical CSS */ }

function delay_non_critical_css() { /* Code to delay non-critical CSS */ }

function specify_image_dimensions() { /* Code to specify image dimensions */ }

function efficient_css_selectors() { /* Code for efficient CSS selectors */ }

function optimize_wp_database() { /* Code to optimize WP database */ }

function cleanup_wp_transients() { /* Code to clean up transients */ }

function limit_wp_autosave() { /* Code to limit autosave */ }

function implement_cdn() { /* Code to implement CDN */ }

function external_hosting_large_files() { /* Code for external hosting */ }

function optimize_theme_code() { /* Code to optimize theme */ }

function choose_lightweight_theme() { /* Code for choosing lightweight theme */ }

function remove_unused_css_js() { /* Code to remove unused CSS/JS */ }

function disable_modify_gravatars() { /* Code to disable or modify gravatars */ }

function optimize_excerpts() { /* Code to optimize excerpts */ }

function split_comments_into_pages() { /* Code to split comments */ }

function lazy_load_comments() { /* Code for lazy loading comments */ }

function disable_image_hotlinking() { /* Code to disable hotlinking */ }

function reduce_server_response_time() { /* Code to reduce server response time */ }

function use_faster_slider_plugin() { /* Code for using a faster slider plugin */ }

function use_faster_gallery_plugin() { /* Code for using a faster gallery plugin */ }

function tune_heartbeat_api() { /* Code to fine-tune Heartbeat API */ }

function disable_woocommerce_cart_fragments() { /* Code to disable cart fragments */ }

function optimize_woocommerce_scripts() { /* Code to optimize WooCommerce scripts */ }

function disable_woocommerce_styles_scripts() { /* Code to disable WC styles/scripts */ }

function use_advanced_db_cleaner() { /* Code for using advanced DB cleaner */ }

function disable_unused_woocommerce_features() { /* Code to disable unused WC features */ }

function use_lightweight_social_sharing_plugin() { /* Code for lightweight social sharing */ }

function minimize_redirects() { /* Code to minimize redirects */ }

function fix_broken_links() { /* Code to fix broken links */ }

function reduce_cookie_size() { /* Code to reduce cookie size */ }

function specify_cache_validator() { /* Code to specify cache validator */ }

function remove_etags() { /* Code to remove eTags */ }

function optimize_robots_txt() { /* Code to optimize robots.txt */ }

function lazy_load_background_images() { /* Code for lazy loading background images */ }

function optimize_header_tags() { /* Code to optimize header tags */ }

function prioritize_visible_content() { /* Code to prioritize visible content */ }

function minimize_main_thread_work() { /* Code to minimize main-thread work */ }

function reduce_js_execution_time() { /* Code to reduce JS execution time */ }

function avoid_excessive_dom_size() { /* Code to avoid excessive DOM size */ }

function preload_key_requests() { /* Code to preload key requests */ }

function preconnect_to_origins() { /* Code to preconnect to origins */ }

function avoid_multiple_page_redirects() { /* Code to avoid multiple redirects */ }

function efficient_cache_policy() { /* Code for efficient cache policy */ }

function minimize_third_party_usage() { /* Code to minimize third-party usage */ }

function reduce_third_party_impact() { /* Code to reduce third-party impact */ }

function enable_http2() { /* Code to enable HTTP/2 */ }

function optimize_server_configuration() { /* Code to optimize server configuration */ }

function update_php_version() { /* Code to update PHP version */ }

function optimize_reduce_fonts() { /* Code to optimize and reduce fonts */ }

function remove_unused_db_tables() { /* Code to remove unused DB tables */ }

function optimize_hosting_environment() { /* Code to optimize hosting environment */ }

function monitor_php_errors() { /* Code to monitor PHP errors */ }

function use_ajax_wisely() { /* Code to use AJAX wisely */ }

function optimize_taxonomy_queries() { /* Code to optimize taxonomy queries */ }

function optimize_wp_query_calls() { /* Code to optimize WP_Query calls */ }

define('AUTOSAVE_INTERVAL', 300); // seconds

function customize_wp_cron() { /* Code to customize WP cron */ }

function optimize_file_delivery() { /* Code to optimize file delivery */ }

function advanced_caching_mechanisms() { /* Code for advanced caching */ }

function implement_edge_caching() { /* Code to implement edge caching */ }

function optimize_ttfb() { /* Code to optimize TTFB */ }

 php function implement_brotli_compression() { /* Code to implement Brotli compression */ }