{"id":40629,"date":"2026-09-13T18:54:39","date_gmt":"2026-09-13T11:54:39","guid":{"rendered":"https:\/\/dps.media\/kiem-tra-url-hang-loat\/"},"modified":"2026-09-13T18:54:39","modified_gmt":"2026-09-13T11:54:39","slug":"bulk-url-checker","status":"publish","type":"post","link":"https:\/\/dps.media\/en\/bulk-url-checker\/","title":{"rendered":"Bulk URL Checker: DPS HEAD Links"},"content":{"rendered":"<?xml encoding=\"utf-8\" ?><style>body.postid-40629 .blog-img,body.postid-40629 .wp-post-image,body.postid-40629 .attachment-haptic-img-size-3,body.postid-40629 .bz-blog-item>.blog-img{display:none!important}#dps-tool-top-section{background:#f8fafc;padding:30px 0 25px 0;border-bottom:1px solid #e2e8f0;width:100%}#dps-tool-top-section .container{max-width:1440px!important;width:96%!important;margin:0 auto}body.postid-40629 #bi-breadcrumbs{padding:30px 0!important}body.postid-40629 #bi-breadcrumbs .page-heading{font-size:28px!important;margin-bottom:8px!important}body.postid-40629 #bi-blog-details.inner-page-padding{padding-top:30px!important}body.postid-40629 #bi-blog-details .container{max-width:1440px!important;width:96%!important}body.postid-40629 #bi-blog-details .col-lg-10.offset-lg-1,body.postid-40629 #bi-blog-details .col-lg-10{flex:0 0 100%!important;max-width:100%!important;margin-left:0!important;width:100%!important}body.postid-40629 .post-40629,body.postid-40629 .blog__post-wrap,body.postid-40629 .blog-details-text-img-area,body.postid-40629 .blog-details-text,body.postid-40629 .entry-content{max-width:100%!important;width:100%!important}body.postid-40629 #dps-head-links,body.postid-40629 .dps-head-links-container,body.postid-40629 .headlinks-card{width:100%!important;max-width:100%!important;margin-bottom:0!important}@media(max-width:768px){body.postid-40629 #bi-breadcrumbs{padding:20px 10px!important}body.postid-40629 #bi-breadcrumbs .page-heading{font-size:22px!important}#dps-tool-top-section{padding:15px 0!important}}<\/style><div id=\"dps-tool-top-section\">\n<div class=\"container\">\n        <div class=\"dps-headlinks-root\" id=\"dpsHeadLinksApp\" data-dps-headlinks>\n            \n            <!-- User Bar (Logged-in state) -->\n            <section class=\"headlinks-user-bar dps-menu-show-logged-in dps-is-hidden\" data-role=\"user-bar\">\n                <div class=\"headlinks-user-info\">\n                    <div class=\"headlinks-user-avatar-wrap\">\n                        <img decoding=\"async\" src=\"\" alt=\"Avatar\" class=\"headlinks-user-avatar\" style=\"display:none;\" title=\"\">\n                        <div class=\"headlinks-user-avatar-placeholder\">\n                            <svg width=\"20\" height=\"20\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\"><path d=\"M20 21v-2a4 4 0 0 0-4-4H8a4 4 0 0 0-4 4v2\"><\/path><circle cx=\"12\" cy=\"7\" r=\"4\"><\/circle><\/svg>\n                        <\/div>\n                    <\/div>\n                    <div>\n                        <div class=\"headlinks-user-name\">DPS Member<\/div>\n                        <div class=\"headlinks-user-badge\">DPS Ecosystem Verified<\/div>\n                    <\/div>\n                <\/div>\n                <div class=\"headlinks-user-actions\">\n                                                <div class=\"dps-user-menu-wrapper\" data-dps-user-menu style=\"display:none;\">\n        <button type=\"button\" class=\"dps-user-menu-trigger\" aria-label=\"Account\" aria-expanded=\"false\">\n            <img decoding=\"async\" src=\"\" alt=\"\" class=\"dps-user-menu-avatar\" title=\"\">\n            <svg class=\"dps-user-menu-caret\" width=\"10\" height=\"6\" viewbox=\"0 0 10 6\" fill=\"none\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\">\n                <path d=\"M1 1L5 5L9 1\" stroke=\"currentColor\" stroke-width=\"1.5\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><\/path>\n            <\/svg>\n        <\/button>\n\n        <div class=\"dps-user-menu-dropdown\">\n            <div class=\"dps-user-menu-header\">\n                <img decoding=\"async\" src=\"\" alt=\"\" class=\"dps-user-menu-drop-avatar\" title=\"\">\n                <div class=\"dps-user-menu-meta\">\n                    <strong class=\"dps-user-menu-name\" title=\"\"><\/strong>\n                    <span class=\"dps-user-menu-email\" title=\"\"><\/span>\n                <\/div>\n            <\/div>\n\n            <div class=\"dps-user-menu-divider\"><\/div>\n\n            <div class=\"dps-user-menu-list\">\n                <a href=\"https:\/\/dps.media\/dps-media\/?action=logout&redirect_to=https%3A%2F%2Fdps.media%2Fen&_wpnonce=e6a5079f83\" class=\"dps-user-menu-item dps-user-menu-logout\" data-redirect=\"https:\/\/dps.media\/en\">\n                    <span>Exit<\/span>\n                    <svg class=\"dps-user-menu-logout-icon\" width=\"16\" height=\"16\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\">\n                        <path d=\"M9 21H5a2 2 0 0 1-2-2V5a2 2 0 0 1 2-2h4\"><\/path>\n                        <polyline points=\"16 17 21 12 16 7\"><\/polyline>\n                        <line x1=\"21\" y1=\"12\" x2=\"9\" y2=\"12\"><\/line>\n                    <\/svg>\n                <\/a>\n            <\/div>\n        <\/div>\n    <\/div>\n                                        <\/div>\n            <\/section>\n\n            <!-- App Container -->\n            <div class=\"headlinks-container\">\n                <!-- Header -->\n                <div class=\"headlinks-header\">\n                    <div class=\"headlinks-header-left\">\n                        <div class=\"headlinks-logo-badge\">\n                            <svg width=\"24\" height=\"24\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\"><path d=\"M10 13a5 5 0 0 0 7.54.54l3-3a5 5 0 0 0-7.07-7.07l-1.72 1.71\"><\/path><path d=\"M14 11a5 5 0 0 0-7.54-.54l-3 3a5 5 0 0 0 7.07 7.07l1.71-1.71\"><\/path><\/svg>\n                        <\/div>\n                        <div>\n                            <div class=\"headlinks-title\">DPS HEAD Links<\/div>\n                            <div class=\"headlinks-subtitle\">Bulk HTTP Status, Redirect Chains & Header Auditor (inspired by HEADMasterSEO)<\/div>\n                        <\/div>\n                    <\/div>\n                    <div class=\"headlinks-header-right\">\n                        <span class=\"headlinks-tag\">Client-Side Zero RAM<\/span>\n                        <span class=\"headlinks-tag version\">v1.4.0<\/span>\n                    <\/div>\n                <\/div>\n\n                <!-- Main Check Workspace -->\n                <div class=\"headlinks-workspace\" id=\"headlinks-workspace\">\n                    <div class=\"headlinks-input-card\">\n                        <div class=\"headlinks-input-header\">\n                            <label for=\"headlinks-textarea\" class=\"headlinks-label\">Enter a list of URLs (one link per line, or paste from clipboard):<\/label>\n                            <div class=\"headlinks-import-actions\">\n                                <label class=\"headlinks-file-btn\">\n                                    <svg width=\"14\" height=\"14\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\"><path d=\"M21 15v4a2 2 0 0 1-2 2H5a2 2 0 0 1-2-2v-4\"><\/path><polyline points=\"17 8 12 3 7 8\"><\/polyline><line x1=\"12\" y1=\"3\" x2=\"12\" y2=\"15\"><\/line><\/svg>\n                                    <span>Import CSV \/ TXT<\/span>\n                                    <input type=\"file\" id=\"headlinks-file-input\" accept=\".txt,.csv\" style=\"display:none;\">\n                                <\/label>\n                                <button type=\"button\" class=\"headlinks-btn headlinks-btn-secondary headlinks-btn-sm\" id=\"btn-paste-sample\">\n                                    Load 10 Sample URLs\n                                <\/button>\n                                <button type=\"button\" class=\"headlinks-btn headlinks-btn-secondary headlinks-btn-sm\" id=\"btn-clear-input\">\n                                    Clear All\n                                <\/button>\n                            <\/div>\n                        <\/div>\n                        <textarea id=\"headlinks-textarea\" class=\"headlinks-textarea\" rows=\"6\" placeholder=\"https:\/\/dps.media\/https:\/\/dps.media\/dich-vu-seo-tong-the\/http:\/\/example.com\/redirect-testhttps:\/\/dps.media\/non-existent-page-404\"><\/textarea>\n                        <div class=\"headlinks-input-footer\">\n                            <span id=\"headlinks-input-count\">0 URLs \u0111\u00e3 n\u1ea1p (T\u1ed1i \u0111a 1000 URLs)<\/span>\n                            <span class=\"headlinks-hint\">T\u1ed1i \u0111a 1000 URLs \/ l\u1ea7n qu\u00e9t (C\u1ea5u h\u00ecnh Qu\u1ea3n tr\u1ecb). H\u1ed7 tr\u1ee3 Low-Memory batching.<\/span>\n                        <\/div>\n                    <\/div>\n\n                    <!-- Action Bar -->\n                    <div class=\"headlinks-control-bar\">\n                        <div class=\"headlinks-btn-group\">\n                            <button type=\"button\" class=\"headlinks-btn headlinks-btn-primary headlinks-btn-lg\" id=\"btn-start-check\">\n                                <svg width=\"18\" height=\"18\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\"><polygon points=\"5 3 19 12 5 21 5 3\"><\/polygon><\/svg>\n                                <span id=\"btn-start-text\">Start Checking<\/span>\n                            <\/button>\n                            <button type=\"button\" class=\"headlinks-btn headlinks-btn-secondary headlinks-btn-lg\" id=\"btn-pause-check\" style=\"display:none;\">\n                                <svg width=\"18\" height=\"18\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\"><rect x=\"6\" y=\"4\" width=\"4\" height=\"16\"><\/rect><rect x=\"14\" y=\"4\" width=\"4\" height=\"16\"><\/rect><\/svg>\n                                <span>Pause<\/span>\n                            <\/button>\n                            <button type=\"button\" class=\"headlinks-btn headlinks-btn-danger headlinks-btn-lg\" id=\"btn-abort-check\" style=\"display:none;\">\n                                <svg width=\"18\" height=\"18\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\"><circle cx=\"12\" cy=\"12\" r=\"10\"><\/circle><line x1=\"15\" y1=\"9\" x2=\"9\" y2=\"15\"><\/line><line x1=\"9\" y1=\"9\" x2=\"15\" y2=\"15\"><\/line><\/svg>\n                                <span>Stop (Abort)<\/span>\n                            <\/button>\n                        <\/div>\n\n                        <div class=\"headlinks-export-group\">\n                            <button type=\"button\" class=\"headlinks-btn headlinks-btn-secondary\" id=\"btn-copy-tsv\" disabled>\n                                <svg width=\"16\" height=\"16\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\"><rect x=\"9\" y=\"9\" width=\"13\" height=\"13\" rx=\"2\" ry=\"2\"><\/rect><path d=\"M5 15H4a2 2 0 0 1-2-2V4a2 2 0 0 1 2-2h9a2 2 0 0 1 2 2v1\"><\/path><\/svg>\n                                <span>Copy Excel (TSV)<\/span>\n                            <\/button>\n                            <div class=\"headlinks-dropdown\">\n                                <button type=\"button\" class=\"headlinks-btn headlinks-btn-secondary\" id=\"btn-export-csv\" disabled>\n                                    <svg width=\"16\" height=\"16\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\"><path d=\"M21 15v4a2 2 0 0 1-2 2H5a2 2 0 0 1-2-2v-4\"><\/path><polyline points=\"7 10 12 15 17 10\"><\/polyline><line x1=\"12\" y1=\"15\" x2=\"12\" y2=\"3\"><\/line><\/svg>\n                                    <span>Export CSV \u25be<\/span>\n                                <\/button>\n                                <div class=\"headlinks-dropdown-menu\">\n                                    <a href=\"#\" data-export=\"all\">All Results (.csv)<\/a>\n                                    <a href=\"#\" data-export=\"200\">200 OK Links Only<\/a>\n                                    <a href=\"#\" data-export=\"3xx\">Redirect Links Only (3xx)<\/a>\n                                    <a href=\"#\" data-export=\"4xx\">Error Links Only (4xx)<\/a>\n                                    <a href=\"#\" data-export=\"5xx\">Server Error Links Only (5xx)<\/a>\n                                <\/div>\n                            <\/div>\n                        <\/div>\n                    <\/div>\n\n                    <!-- Progress Bar -->\n                    <div class=\"headlinks-progress-wrap\" id=\"headlinks-progress\" style=\"display:none;\">\n                        <div class=\"headlinks-progress-info\">\n                            <span id=\"headlinks-progress-text\">Preparing to scan...<\/span>\n                            <span id=\"headlinks-progress-pct\">0%<\/span>\n                        <\/div>\n                        <div class=\"headlinks-progress-track\">\n                            <div class=\"headlinks-progress-bar\" id=\"headlinks-progress-bar\" style=\"width: 0%;\"><\/div>\n                        <\/div>\n                    <\/div>\n\n                    <!-- Live KPI Badges \/ Fast Filters -->\n                    <div class=\"headlinks-kpi-grid\">\n                        <div class=\"headlinks-kpi-card active\" data-filter=\"all\">\n                            <div class=\"headlinks-kpi-label\">Total Links<\/div>\n                            <div class=\"headlinks-kpi-val\" id=\"kpi-total\">0<\/div>\n                        <\/div>\n                        <div class=\"headlinks-kpi-card kpi-200\" data-filter=\"200\">\n                            <div class=\"headlinks-kpi-label\">200 OK<\/div>\n                            <div class=\"headlinks-kpi-val\" id=\"kpi-200\">0<\/div>\n                        <\/div>\n                        <div class=\"headlinks-kpi-card kpi-3xx\" data-filter=\"3xx\">\n                            <div class=\"headlinks-kpi-label\">3xx Redirect<\/div>\n                            <div class=\"headlinks-kpi-val\" id=\"kpi-3xx\">0<\/div>\n                        <\/div>\n                        <div class=\"headlinks-kpi-card kpi-4xx\" data-filter=\"4xx\">\n                            <div class=\"headlinks-kpi-label\">4xx Broken<\/div>\n                            <div class=\"headlinks-kpi-val\" id=\"kpi-4xx\">0<\/div>\n                        <\/div>\n                        <div class=\"headlinks-kpi-card kpi-5xx\" data-filter=\"5xx\">\n                            <div class=\"headlinks-kpi-label\">5xx Error<\/div>\n                            <div class=\"headlinks-kpi-val\" id=\"kpi-5xx\">0<\/div>\n                        <\/div>\n                        <div class=\"headlinks-kpi-card kpi-time\" data-filter=\"time\">\n                            <div class=\"headlinks-kpi-label\">Avg Time<\/div>\n                            <div class=\"headlinks-kpi-val\" id=\"kpi-time\">0 ms<\/div>\n                        <\/div>\n                    <\/div>\n\n                    <!-- Filter Search Bar -->\n                    <div class=\"headlinks-filter-row\">\n                        <div class=\"headlinks-search-box\">\n                            <svg width=\"16\" height=\"16\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\"><circle cx=\"11\" cy=\"11\" r=\"8\"><\/circle><line x1=\"21\" y1=\"21\" x2=\"16.65\" y2=\"16.65\"><\/line><\/svg>\n                            <input type=\"text\" id=\"headlinks-search-input\" placeholder=\"Quickly filter URLs, Headers, Status...\">\n                        <\/div>\n                        <div class=\"headlinks-active-filter-badge\" id=\"active-filter-tag\">Showing: All<\/div>\n                    <\/div>\n\n                    <!-- Results Table (Native Semantic Table for 100% Column Alignment) -->\n                    <div class=\"headlinks-table-container\">\n                        <table class=\"headlinks-table\" id=\"headlinks-results-table\">\n                            <thead>\n                                <tr>\n                                    <th class=\"col-idx\">#<\/th>\n                                    <th class=\"col-url\">Original URL<\/th>\n                                    <th class=\"col-status\">Status<\/th>\n                                    <th class=\"col-hops\">Hops<\/th>\n                                    <th class=\"col-final\">Destination (Final URL)<\/th>\n                                    <th class=\"col-time\">Time<\/th>\n                                    <th class=\"col-headers\">Headers (X-Robots \/ Canonical \/ Server)<\/th>\n                                <\/tr>\n                            <\/thead>\n                            <tbody id=\"headlinks-table-body\">\n                                <tr>\n                                    <td colspan=\"7\" class=\"headlinks-empty-row\">No data yet. Enter a list of URLs and click \"Start Checking\".<\/td>\n                                <\/tr>\n                            <\/tbody>\n                        <\/table>\n                    <\/div>\n                <\/div>\n\n            <\/div>\n        <\/div>\n        \n<\/div>\n<\/div><p><script>\n(function(){\n    function moveToolToTop(){\n        var toolSec = document.getElementById(\"dps-tool-top-section\");\n        var breadcrumbs = document.getElementById(\"bi-breadcrumbs\");\n        if(toolSec && breadcrumbs && toolSec.nextElementSibling !== breadcrumbs){\n            breadcrumbs.parentNode.insertBefore(toolSec, breadcrumbs);\n        }\n    }\n    if(document.readyState === \"loading\"){\n        document.addEventListener(\"DOMContentLoaded\", moveToolToTop);\n    } else {\n        moveToolToTop();\n    }\n    setTimeout(moveToolToTop, 100);\n    setTimeout(moveToolToTop, 500);\n})();\n<\/script><\/p><p>If you have ever experienced that heart-stopping feeling in the morning after a website migration, only to discover that 40% of your traffic had suddenly vanished because of dozens of endlessly looping 301 redirect chains, you will understand the importance of link control. Manually clicking through every link in a list of 500 URLs to find 404 errors before a project handover is also an exhausting experience.<\/p><p>Desktop applications such as Screaming Frog often consume all available RAM and freeze your computer, while overseas SaaS platforms charge hundreds of USD per month and limit the number of URLs you can check. That is why the DPS.MEDIA ecosystem developed <strong>DPS HEAD Links<\/strong> \u2013 a specialized link auditing toolkit that runs smoothly right on your WordPress website.<\/p><h2>Why is bulk URL checking a critical step in Technical SEO?<\/h2><p>In search engine optimization, <a href=\"https:\/\/dps.media\/en\/bulk-url-checker\/\">bulk URL checking<\/a> is not simply about determining whether a webpage is still working. Every link sends a technical signal that Googlebot uses to navigate and evaluate the credibility of your entire website structure.<\/p><p>When a website contains multi-layer redirect chains (from HTTP to HTTPS, then to non-WWW, and finally to a page with a trailing slash), search engine bots' crawl budget is wasted unnecessarily. According to <a href=\"https:\/\/developers.google.com\/search\/docs\/crawling-indexing\/301-redirects\" target=\"_blank\" rel=\"noopener nofollow\">Google's official guide to handling 301 redirects<\/a>, overly long redirect chains slow down page loading and seriously harm keyword rankings.<\/p><p>In addition, widespread 404 Not Found broken links in navigation menus or blog posts not only frustrate visitors and drive them away, but also reduce the overall quality score of the domain.<\/p><p><img decoding=\"async\" src=\"https:\/\/dps.media\/wp-content\/uploads\/2026\/09\/kiem_tra_url_hang_loat_cong_cu_img2_1789298134346.png\" alt=\"bulk URL checking\" style=\"display:block; margin:20px auto; max-width:100%; height:auto;\" title=\"\"><\/p><h2>DPS HEAD Links \u2013 A Breakthrough in Client-Side Low Memory Batching Architecture<\/h2><p>The biggest difference between DPS HEAD Links and conventional WordPress plugins lies in its resource allocation mechanism. Older link-scanning plugins run entirely in the background on the server (PHP background), making hosting highly susceptible to crashes from CPU exhaustion when processing lists of more than 500 links.<\/p><p>DPS HEAD Links uses a <strong>Client-Side Low Memory Batching<\/strong> architecture combined with <strong>parallel cURL Multi-Handle technology<\/strong>:<\/p><ul>\n<li><strong>Smart Batch Processing:<\/strong> The browser automatically divides thousands of URLs into small batches, processes them asynchronously, and releases memory after each batch. You can continuously scan 1,000 \u2013 3,000 links without worrying about frozen tabs or a sluggish computer.<\/li>\n<li><strong>Comprehensive HTTP Status Detection:<\/strong> Accurately classify everything from <code class=\"notranslate no-translate\" data-no-translation=\"\">200 OK<\/code> (live), redirect groups <code class=\"notranslate no-translate\" data-no-translation=\"\">301 \/ 302 \/ 307 \/ 308<\/code>, error groups <code class=\"notranslate no-translate\" data-no-translation=\"\">404 \/ 410 \/ 403<\/code> to server errors <code class=\"notranslate no-translate\" data-no-translation=\"\">500 \/ 502 \/ 503<\/code> and DNS Timeout errors.<\/li>\n<li><strong>Redirect Chain Tracker:<\/strong> Break down every stop in detail: <code class=\"notranslate no-translate\" data-no-translation=\"\">URL G\u1ed1c \u2192 B\u01b0\u1edbc 1 (301) \u2192 B\u01b0\u1edbc 2 (302) \u2192 URL \u0110\u00edch (200 OK)<\/code>, with an immediate red warning if a redirect loop is detected.<\/li>\n<li><strong>Canonical Tag and Mixed Content Auditing:<\/strong> Directly compare the <code class=\"notranslate no-translate\" data-no-translation=\"\">rel=\"canonical\"<\/code> tag with the final destination URL to detect potential indexing issues, while also warning about HTTP links that are not securely encrypted with SSL.<\/li>\n<\/ul><h2>Dedicated URL Mapping Feature for Website Migration Projects<\/h2><p>Anyone who has managed a website migration from an old platform to WordPress understands the stress of reviewing a URL Mapping Sheet. Just a few mistakes in key category paths can cause years of accumulated traffic to plummet.<\/p><p>DPS HEAD Links provides an exclusive auditing workspace for this task. You only need to paste two columns: <strong>[Old URL]<\/strong> and <strong>[Expected New URL]<\/strong>. The system will automatically scan each row, check whether the old URL redirects accurately to the new URL with a 301, and assign a visual label:<\/p><ul>\n<li><strong style=\"color: #32b561;\">MATCH (100% Match):<\/strong> Accurate redirect, response <code class=\"notranslate no-translate\" data-no-translation=\"\">200 OK<\/code> at the destination URL.<\/li>\n<li><strong style=\"color: #e11d48;\">MISMATCH (Discrepancy):<\/strong> Incorrectly points to the homepage, points to a 404 page, or leads to a different product.<\/li>\n<\/ul><p>The technical team can reconcile 1,200 URLs in under 2 minutes with a transparent, row-by-row report instead of spending several days on manual checks.<\/p><p><img decoding=\"async\" src=\"https:\/\/dps.media\/wp-content\/uploads\/2026\/09\/kiem_tra_url_hang_loat_cong_cu_img3_1789298220499.png\" alt=\"bulk URL checking\" style=\"display:block; margin:20px auto; max-width:100%; height:auto;\" title=\"\"><\/p><h2>Deep Technical Header Inspection and Multi-Platform Googlebot Simulation<\/h2><p>Many mysterious SEO issues originate from directive tags <code class=\"notranslate no-translate\" data-no-translation=\"\">X-Robots-Tag<\/code> (commands <code class=\"notranslate no-translate\" data-no-translation=\"\">noindex<\/code> configured behind the scenes in the Nginx server configuration or <code class=\"notranslate no-translate\" data-no-translation=\"\">.htaccess<\/code>) that ordinary HTML source inspection cannot detect. DPS HEAD Links directly extracts all HTTP Headers returned by the server, helping you uncover hidden indexing-blocking directives.<\/p><p>The tool also includes a flexible User-Agent switcher:<\/p><ul>\n<li><strong>Googlebot Smartphone:<\/strong> Check the website from the perspective of mobile-first indexing standards (Mobile-First Indexing).<\/li>\n<li><strong>Googlebot Desktop:<\/strong> Check how the website renders on desktop computers.<\/li>\n<li><strong>Chrome Desktop &amp; Safari iOS:<\/strong> Reconcile the actual experience of end users.<\/li>\n<\/ul><p>After scanning, you can export a professional CSV report or use the <strong>Copy Data (TSV)<\/strong> button to paste directly into Excel or Google Sheets with a single click.<\/p><h2>Comparison Table: DPS HEAD Links vs. Current Link Auditing Tools<\/h2><table style=\"width:100%; border-collapse: collapse; margin: 20px 0;\">\n<thead>\n<tr style=\"background-color: #151577; color: #ffffff;\">\n<th style=\"padding: 12px; border: 1px solid #ddd; text-align: left;\">Comparison Criteria<\/th>\n<th style=\"padding: 12px; border: 1px solid #ddd; text-align: center;\">Manual inspection<\/th>\n<th style=\"padding: 12px; border: 1px solid #ddd; text-align: center;\">Screaming Frog<\/th>\n<th style=\"padding: 12px; border: 1px solid #ddd; text-align: center;\">Overseas SaaS<\/th>\n<th style=\"padding: 12px; border: 1px solid #ddd; text-align: center; background-color: #32b561;\">DPS HEAD Links<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"padding: 10px; border: 1px solid #ddd;\"><strong>Investment cost<\/strong><\/td>\n<td style=\"padding: 10px; border: 1px solid #ddd; text-align: center;\">Free (Time-Consuming)<\/td>\n<td style=\"padding: 10px; border: 1px solid #ddd; text-align: center;\">~259 USD\/year<\/td>\n<td style=\"padding: 10px; border: 1px solid #ddd; text-align: center;\">99 \u2013 299 USD\/month<\/td>\n<td style=\"padding: 10px; border: 1px solid #ddd; text-align: center; font-weight: bold; color: #32b561;\">100% Owned by You<\/td>\n<\/tr>\n<tr style=\"background-color: #f9f9f9;\">\n<td style=\"padding: 10px; border: 1px solid #ddd;\"><strong>Resource Consumption<\/strong><\/td>\n<td style=\"padding: 10px; border: 1px solid #ddd; text-align: center;\">Low<\/td>\n<td style=\"padding: 10px; border: 1px solid #ddd; text-align: center;\">Consumes a lot of RAM<\/td>\n<td style=\"padding: 10px; border: 1px solid #ddd; text-align: center;\">Does not consume local computer resources<\/td>\n<td style=\"padding: 10px; border: 1px solid #ddd; text-align: center; font-weight: bold; color: #32b561;\">Lightweight Zero-Freeze Optimization<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 10px; border: 1px solid #ddd;\"><strong>Shortcode Embedding Capability<\/strong><\/td>\n<td style=\"padding: 10px; border: 1px solid #ddd; text-align: center;\">No<\/td>\n<td style=\"padding: 10px; border: 1px solid #ddd; text-align: center;\">Not supported<\/td>\n<td style=\"padding: 10px; border: 1px solid #ddd; text-align: center;\">Not supported<\/td>\n<td style=\"padding: 10px; border: 1px solid #ddd; text-align: center; font-weight: bold; color: #32b561;\">Convenient one-click embedding<\/td>\n<\/tr>\n<tr style=\"background-color: #f9f9f9;\">\n<td style=\"padding: 10px; border: 1px solid #ddd;\"><strong>URL Mapping Migration Checking<\/strong><\/td>\n<td style=\"padding: 10px; border: 1px solid #ddd; text-align: center;\">Very tedious and prone to omissions<\/td>\n<td style=\"padding: 10px; border: 1px solid #ddd; text-align: center;\">Requires complex Regex configuration<\/td>\n<td style=\"padding: 10px; border: 1px solid #ddd; text-align: center;\">Not specialized<\/td>\n<td style=\"padding: 10px; border: 1px solid #ddd; text-align: center; font-weight: bold; color: #32b561;\">Dedicated Match\/Mismatch Reconciliation Interface<\/td>\n<\/tr>\n<\/tbody>\n<\/table><h2>3-Step Guide to Installing and Deploying the Tool on Your Website<\/h2><p>Deploying the tool on your website takes only about 30 seconds and requires no complex server configuration:<\/p><ol>\n<li><strong>Install Plugin:<\/strong> Download the ZIP file <code class=\"notranslate no-translate\" data-no-translation=\"\">dps-head-links.zip<\/code>, go to <strong>WordPress Admin \u2192 Plugins \u2192 Add New \u2192 Upload Plugin<\/strong> and click <strong>Activate<\/strong>.<\/li>\n<li><strong>Create a Utility Page:<\/strong> Create a new post or content page (for example: <code class=\"notranslate no-translate\" data-no-translation=\"\">\/kiem-tra-link\/<\/code>) and insert the utility Shortcode into the content area.<\/li>\n<li><strong>Publish and Use:<\/strong> Publish the post. You now have a powerful link auditing tool for internal use or as a free utility to attract potential customers to your website.<\/li>\n<\/ol><h2>Elevate Your Digital Infrastructure and Optimize SEO with DPS.MEDIA<\/h2><p>A sustainable SEO campaign always begins with a solid technical foundation. No content creation or link-building effort can reach its full potential if your website is clogged with hundreds of 404 errors, endless redirect chains, and incorrect canonical tags.<\/p><p>If your business is preparing for a website redesign, domain migration, or a comprehensive restructuring to achieve higher search rankings, explore our <a href=\"https:\/\/dps.media\/en\/\">comprehensive SEO services at DPS.MEDIA<\/a>. With hands-on experience since 2017 and an advanced ecosystem of automation tools, we are always committed to building secure and effective digital infrastructure for businesses.<\/p><p>Contact us directly for strategic consulting and technical solutions via our sole Hotline\/Zalo: <strong>0961545445<\/strong>.<\/p>","protected":false},"excerpt":{"rendered":"<p>C\u00f4ng c\u1ee5 ki\u1ec3m tra URL h\u00e0ng lo\u1ea1t DPS HEAD Links gi\u00fap qu\u00e9t m\u00e3 HTTP status, truy v\u1ebft chu\u1ed7i redirect loop, ph\u00e1t hi\u1ec7n link g\u00e3y 404 v\u00e0 ki\u1ec3m to\u00e1n canonical si\u00eau t\u1ed1c.<\/p>","protected":false},"author":0,"featured_media":40626,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[2439,80],"tags":[],"class_list":["post-40629","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-cong-cu-seo","category-seo"],"acf":[],"rankmath_keywords":{"primary":"ki\u1ec3m tra URL h\u00e0ng lo\u1ea1t, DPS HEAD Links, ki\u1ec3m tra redirect h\u00e0ng lo\u1ea1t, b\u1eaft link g\u00e3y 404","secondary":["DPS HEAD Links","ki\u1ec3m tra redirect h\u00e0ng lo\u1ea1t","b\u1eaft link g\u00e3y 404"]},"yoast_keywords":{"primary":"","secondary":[]},"yoast_focuskw":"","rankmath_focuskw":"ki\u1ec3m tra URL h\u00e0ng lo\u1ea1t, DPS HEAD Links, ki\u1ec3m tra redirect h\u00e0ng lo\u1ea1t, b\u1eaft link g\u00e3y 404","seo_keywords":{"primary":"ki\u1ec3m tra URL h\u00e0ng lo\u1ea1t, DPS HEAD Links, ki\u1ec3m tra redirect h\u00e0ng lo\u1ea1t, b\u1eaft link g\u00e3y 404","secondary":["DPS HEAD Links","ki\u1ec3m tra redirect h\u00e0ng lo\u1ea1t","b\u1eaft link g\u00e3y 404"]},"_links":{"self":[{"href":"https:\/\/dps.media\/en\/wp-json\/wp\/v2\/posts\/40629","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/dps.media\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/dps.media\/en\/wp-json\/wp\/v2\/types\/post"}],"replies":[{"embeddable":true,"href":"https:\/\/dps.media\/en\/wp-json\/wp\/v2\/comments?post=40629"}],"version-history":[{"count":4,"href":"https:\/\/dps.media\/en\/wp-json\/wp\/v2\/posts\/40629\/revisions"}],"predecessor-version":[{"id":40633,"href":"https:\/\/dps.media\/en\/wp-json\/wp\/v2\/posts\/40629\/revisions\/40633"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/dps.media\/en\/wp-json\/wp\/v2\/media\/40626"}],"wp:attachment":[{"href":"https:\/\/dps.media\/en\/wp-json\/wp\/v2\/media?parent=40629"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/dps.media\/en\/wp-json\/wp\/v2\/categories?post=40629"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/dps.media\/en\/wp-json\/wp\/v2\/tags?post=40629"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}