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

פברואר 8, 2024

Discover the ultimate collection of 100 PHP snippets designed to boost your WordPress site's speed and efficiency. Our comprehensive guide showcases easy-to-implement, powerful code snippets that streamline your WordPress performance, making your website faster, more responsive, and user-friendly. Perfect for developers and site administrators, this post offers practical solutions for common WordPress challenges, helping you optimize your site like a pro.

Enable GZIP Compression

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

Defer Parsing of JavaScript

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

Remove Query Strings from Static Resources

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

Disable Emojis

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

Lazy Load Images

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

Limit Post Revisions

define('WP_POST_REVISIONS', 5);

Disable Embeds

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

Remove WordPress Version Number

remove_action('wp_head', 'wp_generator');

Disable XML-RPC

add_filter('xmlrpc_enabled', '__return_false');

Disable RSS Feeds

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

Remove WLManifest Link

remove_action('wp_head', 'wlwmanifest_link');

Disable Self Pingbacks

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

Remove jQuery Migrate

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

Disable Heartbeat API

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

Control Post Revisions

define('WP_POST_REVISIONS', 3);

Disable Dashicons on Frontend

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

Remove Shortlink Tag

remove_action('wp_head', 'wp_shortlink_wp_head');

Remove RSD Link Tag

remove_action('wp_head', 'rsd_link');

Remove Links to Windows Live Writer

remove_action('wp_head', 'wlwmanifest_link');

Optimize Your Database

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

Disable Autosave

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

Remove Unnecessary Dashboard Widgets

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

Minify CSS and JavaScript Files

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

Combine CSS and JavaScript Files

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

Asynchronous Loading for CSS and JavaScript

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

Optimize Image Sizes

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

Serve Scaled Images

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

Serve Images in Next-Gen Formats

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

Prefetch DNS Requests

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

Reduce External HTTP Requests

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

Reduce Database Calls

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

Optimize Background Processes

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

Implement Object Caching

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

Enable Server-Side Caching

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

Optimize Web Font Loading

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

Lazy Load Videos

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

Optimize CSS Delivery

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

Inline Critical CSS

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

Delay Loading of Non-Critical CSS

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

Specify Image Dimensions

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

Use Efficient CSS Selectors

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

Optimize Your WordPress Database

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

Clean Up WordPress Transients

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

Disable or Limit WordPress Autosave

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

Implement CDN (Content Delivery Network)

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

Use External Hosting for Large Files

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

Optimize Your Theme Code

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

Choose a Lightweight Theme

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

Remove Unused CSS/JS

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

Disable or Modify Gravatars

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

Optimize Excerpts on Homepage and Archives

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

Split Comments into Pages

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

Use Lazy Load for Comments

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

Disable Hotlinking of Images

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

Reduce Server Response Time

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

Use a Faster Slider Plugin

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

Use a Faster Gallery Plugin

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

Fine-Tune WordPress Heartbeat API

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

Disable WooCommerce Cart Fragments

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

Optimize WooCommerce Scripts

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

Disable WooCommerce Styles and Scripts

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

Use Advanced Database Cleaner

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

Disable Unused WooCommerce Features

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

Use a Lightweight Social Sharing Plugin

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

Minimize Redirects

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

Fix Broken Links

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

Reduce Cookie Size

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

Specify a Cache Validator

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

Remove eTags

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

Optimize WordPress Robots.txt

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

Implement Lazy Load for Background Images

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

Optimize Header Tags

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

Prioritize Visible Content

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

Minimize Main-thread Work

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

Reduce JavaScript Execution Time

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

Avoid an Excessive DOM Size

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

Preload Key Requests

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

Preconnect to Required Origins

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

Avoid Multiple Page Redirects

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

Serve Static Assets with an Efficient Cache Policy

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

Minimize Third-Party Usage

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

Reduce the Impact of Third-Party Code

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

Enable HTTP/2

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

Optimize Server Configuration

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

Update PHP to the Latest Version

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

Optimize and Reduce Fonts

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

Remove Unused Database Tables

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

Optimize Your Hosting Environment

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

Monitor PHP Errors

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

Use AJAX Wisely

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

Optimize Taxonomy Queries

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

Optimize WP_Query Calls

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

Customize Autosave Interval

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

Customize the WordPress Cron

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

Optimize File Delivery

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

Use Advanced Caching Mechanisms

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

Implement Edge Caching

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

Monitor and Optimize TTFB (Time to First Byte)

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

Implement Brotli Compression

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