{"id":73250,"date":"2025-09-21T08:46:27","date_gmt":"2025-09-21T01:46:27","guid":{"rendered":"https:\/\/itsystems.vn\/web-speed-testing-under-various-network-conditions-25-09-21\/"},"modified":"2026-07-29T11:50:06","modified_gmt":"2026-07-29T04:50:06","slug":"web-speed-testing-under-various-network-conditions-25-09-21","status":"publish","type":"post","link":"https:\/\/itsystems.vn\/en\/web-speed-testing-under-various-network-conditions-25-09-21\/","title":{"rendered":"Web Speed Testing: A Detailed Guide to Assessing Performance 2024"},"content":{"rendered":"<p>Nowadays, users access your website from countless different network conditions. Therefore, <a href=\"https:\/\/itsystems.vn\/en\/website-management\/\" title=\"web speed testing to enhance user experience\">web speed testing under various network conditions<\/a> (2G, 3G, 4G, 5G, Wifi&#8230;) is a crucial step to ensuring a smooth experience for everyone. This article will guide you on how to check website speed in each specific network condition, analyze important metrics, and provide the most effective optimization solutions.<\/p>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_86 counter-hierarchy ez-toc-counter ez-toc-light-blue ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">The content of the article<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/itsystems.vn\/en\/web-speed-testing-under-various-network-conditions-25-09-21\/#Why_Test_Web_Speed_Under_Various_Network_Conditions\" >Why Test Web Speed Under Various Network Conditions?<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/itsystems.vn\/en\/web-speed-testing-under-various-network-conditions-25-09-21\/#The_impact_of_website_speed_on_user_experience_UX_and_conversion_rates\" >The impact of website speed on user experience (UX) and conversion rates<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/itsystems.vn\/en\/web-speed-testing-under-various-network-conditions-25-09-21\/#The_impact_of_page_load_speed_on_SEO_ranking\" >The impact of page load speed on SEO ranking<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/itsystems.vn\/en\/web-speed-testing-under-various-network-conditions-25-09-21\/#Common_network_scenarios_to_test\" >Common network scenarios to test:<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/itsystems.vn\/en\/web-speed-testing-under-various-network-conditions-25-09-21\/#Web_Speed_Testing_Under_Various_Network_Conditions_Important_Website_Speed_Metrics_to_Monitor\" >Web Speed Testing Under Various Network Conditions: Important Website Speed Metrics to Monitor<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/itsystems.vn\/en\/web-speed-testing-under-various-network-conditions-25-09-21\/#Core_Web_Vitals_A_trio_of_metrics_to_evaluate_user_experience\" >Core Web Vitals: A trio of metrics to evaluate user experience<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/itsystems.vn\/en\/web-speed-testing-under-various-network-conditions-25-09-21\/#Other_important_metrics\" >Other important metrics:<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/itsystems.vn\/en\/web-speed-testing-under-various-network-conditions-25-09-21\/#Top_7_Best_Web_Speed_Testing_Tools_Currently_Available_Supporting_Multiple_Network_Conditions\" >Top 7+ Best Web Speed Testing Tools Currently Available (Supporting Multiple Network Conditions)<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/itsystems.vn\/en\/web-speed-testing-under-various-network-conditions-25-09-21\/#Google_PageSpeed_Insights_Free_easy_to_use_integrated_with_Lighthouse\" >Google PageSpeed Insights: Free, easy to use, integrated with Lighthouse<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/itsystems.vn\/en\/web-speed-testing-under-various-network-conditions-25-09-21\/#WebPageTest_In-depth_many_configuration_options_powerful_network_simulation\" >WebPageTest: In-depth, many configuration options, powerful network simulation<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/itsystems.vn\/en\/web-speed-testing-under-various-network-conditions-25-09-21\/#GTmetrix_User-friendly_interface_detailed_reports_easy_to_identify_problems\" >GTmetrix: User-friendly interface, detailed reports, easy to identify problems<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/itsystems.vn\/en\/web-speed-testing-under-various-network-conditions-25-09-21\/#Pingdom_Website_Speed_Test_Simple_fast_many_testing_locations\" >Pingdom Website Speed Test: Simple, fast, many testing locations<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/itsystems.vn\/en\/web-speed-testing-under-various-network-conditions-25-09-21\/#Uptrends_Speed_testing_from_multiple_geographical_locations_visual_reporting\" >Uptrends: Speed testing from multiple geographical locations, visual reporting<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/itsystems.vn\/en\/web-speed-testing-under-various-network-conditions-25-09-21\/#Dotcom-Monitor_Speed_testing_on_multiple_browsers_and_devices\" >Dotcom-Monitor: Speed testing on multiple browsers and devices<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/itsystems.vn\/en\/web-speed-testing-under-various-network-conditions-25-09-21\/#Other_tools\" >Other tools:<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/itsystems.vn\/en\/web-speed-testing-under-various-network-conditions-25-09-21\/#Detailed_Guide_Testing_Website_Speed_Under_Various_Network_Conditions\" >Detailed Guide: Testing Website Speed Under Various Network Conditions<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/itsystems.vn\/en\/web-speed-testing-under-various-network-conditions-25-09-21\/#Step_1_Choose_a_tool_that_matches_your_needs\" >Step 1: Choose a tool that matches your needs<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-18\" href=\"https:\/\/itsystems.vn\/en\/web-speed-testing-under-various-network-conditions-25-09-21\/#Step_2_Configure_network_conditions_to_simulate\" >Step 2: Configure network conditions to simulate<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-19\" href=\"https:\/\/itsystems.vn\/en\/web-speed-testing-under-various-network-conditions-25-09-21\/#Step_3_Analyze_test_results\" >Step 3: Analyze test results<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-20\" href=\"https:\/\/itsystems.vn\/en\/web-speed-testing-under-various-network-conditions-25-09-21\/#Step_4_Identify_common_errors_and_fixes\" >Step 4: Identify common errors and fixes<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-21\" href=\"https:\/\/itsystems.vn\/en\/web-speed-testing-under-various-network-conditions-25-09-21\/#Strategies_to_Optimize_Web_Speed_for_All_Network_Conditions\" >Strategies to Optimize Web Speed for All Network Conditions<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-22\" href=\"https:\/\/itsystems.vn\/en\/web-speed-testing-under-various-network-conditions-25-09-21\/#Image_optimization\" >Image optimization:<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-23\" href=\"https:\/\/itsystems.vn\/en\/web-speed-testing-under-various-network-conditions-25-09-21\/#JavaScript_and_CSS_optimization\" >JavaScript and CSS optimization:<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-24\" href=\"https:\/\/itsystems.vn\/en\/web-speed-testing-under-various-network-conditions-25-09-21\/#Cache_optimization\" >Cache optimization:<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-25\" href=\"https:\/\/itsystems.vn\/en\/web-speed-testing-under-various-network-conditions-25-09-21\/#Prioritize_loading_important_resources_priority_resource_loading\" >Prioritize loading important resources (priority resource loading)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-26\" href=\"https:\/\/itsystems.vn\/en\/web-speed-testing-under-various-network-conditions-25-09-21\/#Use_CDN_suitable_for_each_geographical_region_and_bandwidth\" >Use CDN suitable for each geographical region and bandwidth<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-27\" href=\"https:\/\/itsystems.vn\/en\/web-speed-testing-under-various-network-conditions-25-09-21\/#Apply_Progressive_Enhancement_and_Fallback_for_mobileslow_networks\" >Apply Progressive Enhancement and Fallback for mobile\/slow networks<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-28\" href=\"https:\/\/itsystems.vn\/en\/web-speed-testing-under-various-network-conditions-25-09-21\/#Automatically_Check_Website_Speed_Regularly_Tools_Practices\" >Automatically Check Website Speed Regularly: Tools &#038; Practices<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-29\" href=\"https:\/\/itsystems.vn\/en\/web-speed-testing-under-various-network-conditions-25-09-21\/#Set_up_automaticregular_testing_through_API_or_cron_job\" >Set up automatic\/regular testing through API or cron job<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-30\" href=\"https:\/\/itsystems.vn\/en\/web-speed-testing-under-various-network-conditions-25-09-21\/#Common_website_speed_monitoring_tools\" >Common website speed monitoring tools<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-31\" href=\"https:\/\/itsystems.vn\/en\/web-speed-testing-under-various-network-conditions-25-09-21\/#Configure_reports_and_alerts_when_website_speed_is_abnormal\" >Configure reports and alerts when website speed is abnormal<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-32\" href=\"https:\/\/itsystems.vn\/en\/web-speed-testing-under-various-network-conditions-25-09-21\/#Conclusion\" >Conclusion<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-33\" href=\"https:\/\/itsystems.vn\/en\/web-speed-testing-under-various-network-conditions-25-09-21\/#Related_services_from_IT_Systems\" >Related services from IT Systems<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-34\" href=\"https:\/\/itsystems.vn\/en\/web-speed-testing-under-various-network-conditions-25-09-21\/#FAQ\" >FAQ<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-35\" href=\"https:\/\/itsystems.vn\/en\/web-speed-testing-under-various-network-conditions-25-09-21\/#When_should_a_business_ask_IT_Systems_for_support\" >When should a business ask IT Systems for support?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-36\" href=\"https:\/\/itsystems.vn\/en\/web-speed-testing-under-various-network-conditions-25-09-21\/#Can_IT_Systems_help_review_the_current_environment_before_proposing_a_solution\" >Can IT Systems help review the current environment before proposing a solution?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-37\" href=\"https:\/\/itsystems.vn\/en\/web-speed-testing-under-various-network-conditions-25-09-21\/#Does_this_topic_connect_to_ongoing_IT_operations\" >Does this topic connect to ongoing IT operations?<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-38\" href=\"https:\/\/itsystems.vn\/en\/web-speed-testing-under-various-network-conditions-25-09-21\/#Need_help_applying_this_to_your_business\" >Need help applying this to your business?<\/a><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"Why_Test_Web_Speed_Under_Various_Network_Conditions\"><\/span>Why Test Web Speed Under Various Network Conditions?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Web speed directly affects user experience (UX) and conversion rates. Nowadays, the competition in the digital environment is increasingly fierce, and a slow website can make customers abandon it immediately.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"The_impact_of_website_speed_on_user_experience_UX_and_conversion_rates\"><\/span>The impact of website speed on user experience (UX) and conversion rates<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Users are impatient when they have to wait, especially in this age of explosive technology. A slow-loading website can reduce conversion rates and negatively impact a business&#8217;s revenue.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"The_impact_of_page_load_speed_on_SEO_ranking\"><\/span>The impact of page load speed on SEO ranking<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Page load speed not only affects users but is also taken into consideration by Google when evaluating SEO rankings. Fast websites have a better chance of achieving high positions in search results.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Common_network_scenarios_to_test\"><\/span>Common network scenarios to test:<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li>2G\/3G\/4G\/5G<\/li>\n<li>Wi-Fi (different speeds)<\/li>\n<li>Weak\/stable\/strong bandwidth<\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"Web_Speed_Testing_Under_Various_Network_Conditions_Important_Website_Speed_Metrics_to_Monitor\"><\/span>Web Speed Testing Under Various Network Conditions: Important Website Speed Metrics to Monitor<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>In addition to page load speed, there are several other metrics you need to monitor to ensure the website performs well under all conditions. This not only contributes to <strong>Core Web Vitals<\/strong> but also helps optimize the overall user experience.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Core_Web_Vitals_A_trio_of_metrics_to_evaluate_user_experience\"><\/span>Core Web Vitals: A trio of metrics to evaluate user experience<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li><strong>Largest Contentful Paint (LCP)<\/strong>: Time taken for the largest content element to load on the page.<\/li>\n<li><strong>First Input Delay (FID)<\/strong>: Time taken to respond when a user interacts with the page.<\/li>\n<li><strong>Cumulative Layout Shift (CLS)<\/strong>: Measures the stability of the layout as it loads.<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"Other_important_metrics\"><\/span>Other important metrics:<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li>First Contentful Paint (FCP)<\/li>\n<li>Time to First Byte (TTFB)<\/li>\n<li>Full Load Time<\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"Top_7_Best_Web_Speed_Testing_Tools_Currently_Available_Supporting_Multiple_Network_Conditions\"><\/span>Top 7+ Best Web Speed Testing Tools Currently Available (Supporting Multiple Network Conditions)<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>To conduct <a href=\"https:\/\/developers.google.com\/speed\/docs\/insights\/v5\/about?hl=vi\" title=\"web speed testing\" target=\"_blank\" rel=\"noopener\">web speed testing<\/a>, there are many useful tools you can use.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Google_PageSpeed_Insights_Free_easy_to_use_integrated_with_Lighthouse\"><\/span>Google PageSpeed Insights: Free, easy to use, integrated with Lighthouse<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>This tool will provide you with scores and optimization guidelines for your website.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"WebPageTest_In-depth_many_configuration_options_powerful_network_simulation\"><\/span>WebPageTest: In-depth, many configuration options, powerful network simulation<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>The network throttling feature of WebPageTest provides you with an overall perspective.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"GTmetrix_User-friendly_interface_detailed_reports_easy_to_identify_problems\"><\/span>GTmetrix: User-friendly interface, detailed reports, easy to identify problems<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>The way to use GTmetrix to check website speed under different network conditions is very simple.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Pingdom_Website_Speed_Test_Simple_fast_many_testing_locations\"><\/span>Pingdom Website Speed Test: Simple, fast, many testing locations<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Pingdom offers many locations to test page load speed, helping you gain an overall insight.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Uptrends_Speed_testing_from_multiple_geographical_locations_visual_reporting\"><\/span>Uptrends: Speed testing from multiple geographical locations, visual reporting<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Uptrends helps monitor website performance across different regions.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Dotcom-Monitor_Speed_testing_on_multiple_browsers_and_devices\"><\/span>Dotcom-Monitor: Speed testing on multiple browsers and devices<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<\/h3>\n<p>This is also a useful tool for web developers.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Other_tools\"><\/span>Other tools:<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li>Test website speed on mobile: Use Chrome DevTools<\/li>\n<li>Use API to automate speed testing<\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"Detailed_Guide_Testing_Website_Speed_Under_Various_Network_Conditions\"><\/span>Detailed Guide: Testing Website Speed Under Various Network Conditions<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"Step_1_Choose_a_tool_that_matches_your_needs\"><\/span>Step 1: Choose a tool that matches your needs<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<h3><span class=\"ez-toc-section\" id=\"Step_2_Configure_network_conditions_to_simulate\"><\/span>Step 2: Configure network conditions to simulate<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li>Case study: Testing website speed on 3G\/4G\/5G networks<\/li>\n<li>Case study: Testing website speed when users are on a weak Wi-Fi connection<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"Step_3_Analyze_test_results\"><\/span>Step 3: Analyze test results<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Read and understand Core Web Vitals metrics, analyze the waterfall chart to determine what is causing the slowdown. Identify bottlenecks (e.g., DOM, JS, images, server, CDN, DNS).<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Step_4_Identify_common_errors_and_fixes\"><\/span>Step 4: Identify common errors and fixes<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Common errors such as loading overly large images, non-optimized code can slow down speed.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Strategies_to_Optimize_Web_Speed_for_All_Network_Conditions\"><\/span>Strategies to Optimize Web Speed for All Network Conditions<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>To optimize website speed for all types of networks, you need to apply key strategies.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Image_optimization\"><\/span>Image optimization:<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li>Use modern image formats (WebP, AVIF)<\/li>\n<li>Compress images to reduce size<\/li>\n<li>Optimize image size for each device<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"JavaScript_and_CSS_optimization\"><\/span>JavaScript and CSS optimization:<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li>Minify and combine JS\/CSS files<\/li>\n<li>Remove unused CSS<\/li>\n<li>Use lazy loading techniques for JS<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"Cache_optimization\"><\/span>Cache optimization:<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li>Use browser caching<\/li>\n<li>Use server-side caching<\/li>\n<li>Use CDN for content delivery<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"Prioritize_loading_important_resources_priority_resource_loading\"><\/span>Prioritize loading important resources (priority resource loading)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<h3><span class=\"ez-toc-section\" id=\"Use_CDN_suitable_for_each_geographical_region_and_bandwidth\"><\/span>Use CDN suitable for each geographical region and bandwidth<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<h3><span class=\"ez-toc-section\" id=\"Apply_Progressive_Enhancement_and_Fallback_for_mobileslow_networks\"><\/span>Apply Progressive Enhancement and Fallback for mobile\/slow networks<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<h2><span class=\"ez-toc-section\" id=\"Automatically_Check_Website_Speed_Regularly_Tools_Practices\"><\/span>Automatically Check Website Speed Regularly: Tools &#038; Practices<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"Set_up_automaticregular_testing_through_API_or_cron_job\"><\/span>Set up automatic\/regular testing through API or cron job<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<h3><span class=\"ez-toc-section\" id=\"Common_website_speed_monitoring_tools\"><\/span>Common website speed monitoring tools<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<h3><span class=\"ez-toc-section\" id=\"Configure_reports_and_alerts_when_website_speed_is_abnormal\"><\/span>Configure reports and alerts when website speed is abnormal<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<h2><span class=\"ez-toc-section\" id=\"Conclusion\"><\/span>Conclusion<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Conducting <a href=\"https:\/\/vietnix.vn\/cong-cu-test-toc-do-website\/\" title=\"web speed testing\" target=\"_blank\" rel=\"noopener\">web speed testing<\/a> under various network conditions is crucial to ensure the best user experience. Take immediate action to optimize the speed on your website to not miss opportunities to attract customers and increase revenue!<\/p>\n<p><!-- its-deep-aio-en-related-2026-07-27 --><\/p>\n<section class=\"its-deep-aio-related\" aria-label=\"Related IT Systems services\">\n<h2><span class=\"ez-toc-section\" id=\"Related_services_from_IT_Systems\"><\/span>Related services from IT Systems<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>If your team is dealing with this issue in a live business environment, these services can help you move from diagnosis to a stable operating process.<\/p>\n<ul>\n<li><a href=\"https:\/\/itsystems.vn\/en\/microsoft-business-licensing\/microsoft-windows-licensing\/\">Windows licensing for business<\/a><\/li>\n<li><a href=\"https:\/\/itsystems.vn\/en\/microsoft-business-licensing\/windows-license-pricing\/\">Windows license pricing<\/a><\/li>\n<li><a href=\"https:\/\/itsystems.vn\/en\/it-services-for-businesses\/it-support-services\/\">IT support services<\/a><\/li>\n<\/ul>\n<\/section>\n<p><!-- its-deep-aio-en-faq-2026-07-27 --><\/p>\n<section class=\"its-deep-aio-faq\" aria-label=\"Frequently asked questions\">\n<h2><span class=\"ez-toc-section\" id=\"FAQ\"><\/span>FAQ<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"When_should_a_business_ask_IT_Systems_for_support\"><\/span>When should a business ask IT Systems for support?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Ask for support when the issue affects users, business data, security, licensing compliance, service availability or daily operations. A short technical review often prevents repeated incidents and hidden costs.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Can_IT_Systems_help_review_the_current_environment_before_proposing_a_solution\"><\/span>Can IT Systems help review the current environment before proposing a solution?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Yes. IT Systems can review the current setup, identify risks, map the issue to the right service scope and recommend a practical next step for your business.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Does_this_topic_connect_to_ongoing_IT_operations\"><\/span>Does this topic connect to ongoing IT operations?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>In most cases, yes. Problems around software, cloud, endpoint, network, backup or security should be connected to a broader IT operations plan instead of being handled as isolated incidents.<\/p>\n<\/section>\n<p><!-- its-deep-aio-en-cta-2026-07-27 --><\/p>\n<section class=\"its-deep-aio-cta\" aria-label=\"Contact IT Systems\">\n<h2><span class=\"ez-toc-section\" id=\"Need_help_applying_this_to_your_business\"><\/span>Need help applying this to your business?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>IT Systems Vietnam can help assess the issue, recommend the right service path and support implementation for your team.<\/p>\n<p><a class=\"button\" href=\"https:\/\/itsystems.vn\/en\/contact-it-systems-vietnam\/\">Contact IT Systems<\/a> <a class=\"button\" href=\"https:\/\/itsystems.vn\/en\/it-services-for-businesses\/it-support-services\/\">View IT support services<\/a><\/p>\n<\/section>\n","protected":false},"excerpt":{"rendered":"<p>Nowadays, users access your website from countless different network conditions. Therefore, web speed testing under various network conditions (2G, 3G, 4G, 5G, Wifi&#8230;) is a crucial step to ensuring a smooth experience for everyone. This article will guide you on how to check website speed in each specific network condition, analyze important metrics, and provide [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":73248,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"rank_math_focus_keyword":"web speed testing under various network conditions","rank_math_title":"Web Speed Testing: A Detailed Guide to Assessing Performance 2024","rank_math_description":"Web speed testing under various network conditions is a lifesaver for a perfect user experience.","rank_math_robots":"","rank_math_canonical_url":"","rank_math_schema":"","footnotes":""},"categories":[1344,2149],"tags":[],"class_list":["post-73250","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized-en","category-website-service"],"wpml_current_locale":"en_US","wpml_translations":{"vi_VN":{"locale":"vi_VN","id":73247,"slug":"thu-nghiem-toc-do-web-nhieu-dieu-kien-mang-25-09-21","post_title":"Th\u1eed Nghi\u1ec7m T\u1ed1c \u0110\u1ed9 Web: H\u01b0\u1edbng D\u1eabn Chi Ti\u1ebft \u0110\u00e1nh Gi\u00e1 Hi\u1ec7u Qu\u1ea3 2024","href":"https:\/\/itsystems.vn\/thu-nghiem-toc-do-web-nhieu-dieu-kien-mang-25-09-21\/"}},"_links":{"self":[{"href":"https:\/\/itsystems.vn\/en\/wp-json\/wp\/v2\/posts\/73250","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/itsystems.vn\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/itsystems.vn\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/itsystems.vn\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/itsystems.vn\/en\/wp-json\/wp\/v2\/comments?post=73250"}],"version-history":[{"count":2,"href":"https:\/\/itsystems.vn\/en\/wp-json\/wp\/v2\/posts\/73250\/revisions"}],"predecessor-version":[{"id":86212,"href":"https:\/\/itsystems.vn\/en\/wp-json\/wp\/v2\/posts\/73250\/revisions\/86212"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/itsystems.vn\/en\/wp-json\/wp\/v2\/media\/73248"}],"wp:attachment":[{"href":"https:\/\/itsystems.vn\/en\/wp-json\/wp\/v2\/media?parent=73250"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/itsystems.vn\/en\/wp-json\/wp\/v2\/categories?post=73250"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/itsystems.vn\/en\/wp-json\/wp\/v2\/tags?post=73250"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}