{"id":82079,"date":"2026-01-02T20:43:48","date_gmt":"2026-01-02T20:43:48","guid":{"rendered":"https:\/\/alienroad.com\/%e6%9c%aa%e5%88%86%e9%a1%9e\/link-audit\/"},"modified":"2026-04-04T22:29:51","modified_gmt":"2026-04-04T22:29:51","slug":"link-audit","status":"publish","type":"post","link":"https:\/\/alienroad.com\/ja\/seo-2\/link-audit\/","title":{"rendered":"\u30ea\u30f3\u30af\u76e3\u67fb\uff1aSEO\u3092\u4fdd\u8b77\u3059\u308b\u305f\u3081\u306e9\u3064\u306e\u5f37\u529b\u306a\u30b9\u30c6\u30c3\u30d7"},"content":{"rendered":"\n<h1 class=\"wp-block-heading\">What Is a Link Audit?<\/h1>\n\n<p>A link audit is the process of analyzing all inbound links pointing to a website in order to evaluate their quality, relevance, and potential SEO risk. It helps identify harmful backlinks that may negatively affect search engine rankings.<\/p>\n\n<p>Regular link audits are an essential part of sustainable SEO, especially after algorithm updates, traffic drops, or aggressive link-building campaigns.<\/p>\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/images.unsplash.com\/photo-1553877522-43269d4ea984?auto=format&amp;fit=crop&amp;w=1200&amp;q=80\" alt=\"Link audit process for analyzing backlinks\" title=\"\"><\/figure>\n\n<h2 class=\"wp-block-heading\">Table of Contents<\/h2>\n\n<ul class=\"wp-block-list\">\n<li><a href=\"\/#why-link-audit-matters\">Why a link audit matters<\/a><\/li>\n\n\n\n<li><a href=\"\/#how-link-audit-works\">How a link audit works<\/a><\/li>\n\n\n\n<li><a href=\"\/#when-to-run\">When you should run a link audit<\/a><\/li>\n\n\n\n<li><a href=\"\/#toxic-links\">What are toxic backlinks?<\/a><\/li>\n\n\n\n<li><a href=\"\/#quality-signals\">Link quality signals to evaluate<\/a><\/li>\n\n\n\n<li><a href=\"\/#anchor-text\">Anchor text analysis<\/a><\/li>\n\n\n\n<li><a href=\"\/#audit-steps\">Step-by-step link audit process<\/a><\/li>\n\n\n\n<li><a href=\"\/#fixing-links\">How to fix harmful links<\/a><\/li>\n\n\n\n<li><a href=\"\/#final-thoughts\">Final thoughts<\/a><\/li>\n<\/ul>\n\n<h2 class=\"wp-block-heading\" id=\"why-link-audit-matters\">Why a Link Audit Matters<\/h2>\n\n<p>Backlinks remain one of the strongest ranking factors, but not all links are beneficial. Low-quality or manipulative links can trigger ranking drops or manual actions.<\/p>\n\n<p>A link audit helps protect your website by ensuring your backlink profile aligns with search engine guidelines.<\/p>\n\n<h2 class=\"wp-block-heading\" id=\"how-link-audit-works\">How a Link Audit Works<\/h2>\n\n<p>A link audit involves collecting backlink data from multiple sources and evaluating each link based on authority, relevance, and trust.<\/p>\n\n<p>The goal is to separate healthy links from risky ones and take action when necessary.<\/p>\n\n<h2 class=\"wp-block-heading\" id=\"when-to-run\">When You Should Run a Link Audit<\/h2>\n\n<p>There are specific situations where a link audit is especially important:<\/p>\n\n<ul class=\"wp-block-list\">\n<li>After a sudden drop in organic traffic<\/li>\n\n\n\n<li>Following a Google algorithm update<\/li>\n\n\n\n<li>After acquiring a website or domain<\/li>\n\n\n\n<li>When recovering from a manual penalty<\/li>\n<\/ul>\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/images.unsplash.com\/photo-1526378722484-bd91ca387e72?auto=format&amp;fit=crop&amp;w=1200&amp;q=80\" alt=\"Identifying SEO risks with a backlink audit\" title=\"\"><\/figure>\n\n<h2 class=\"wp-block-heading\" id=\"toxic-links\">What Are Toxic Backlinks?<\/h2>\n\n<p>Toxic backlinks are links from spammy, irrelevant, or manipulative websites that may harm SEO performance.<\/p>\n\n<p>These links often come from link farms, automated directories, hacked sites, or unrelated foreign domains.<\/p>\n\n<h2 class=\"wp-block-heading\" id=\"quality-signals\">Key Link Quality Signals to Evaluate<\/h2>\n\n<p>During a link audit, each backlink should be reviewed using clear quality signals:<\/p>\n\n<ul class=\"wp-block-list\">\n<li>Domain relevance to your niche<\/li>\n\n\n\n<li>Authority and trust of the linking site<\/li>\n\n\n\n<li>Natural placement within content<\/li>\n\n\n\n<li>Editorial context versus automated links<\/li>\n<\/ul>\n\n<h2 class=\"wp-block-heading\" id=\"anchor-text\">Anchor Text Analysis<\/h2>\n\n<p>Anchor text plays a major role in link evaluation. Over-optimized anchors with repeated exact-match keywords may signal manipulation.<\/p>\n\n<p>A healthy backlink profile contains branded, generic, and natural anchors.<\/p>\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/images.unsplash.com\/photo-1498050108023-c5249f4df085?auto=format&amp;fit=crop&amp;w=1200&amp;q=80\" alt=\"Anchor text analysis during a link audit\" title=\"\"><\/figure>\n\n<h2 class=\"wp-block-heading\" id=\"audit-steps\">Step-by-Step Link Audit Process<\/h2>\n\n<p>A structured link audit follows these steps:<\/p>\n\n<ul class=\"wp-block-list\">\n<li>Collect backlink data from reliable tools<\/li>\n\n\n\n<li>Remove duplicate and broken links<\/li>\n\n\n\n<li>Evaluate link quality and relevance<\/li>\n\n\n\n<li>Identify toxic or suspicious links<\/li>\n\n\n\n<li>Decide which links to remove or disavow<\/li>\n<\/ul>\n\n<h2 class=\"wp-block-heading\" id=\"fixing-links\">How to Fix Harmful Backlinks<\/h2>\n\n<p>Once toxic links are identified, action is required to minimize risk.<\/p>\n\n<ul class=\"wp-block-list\">\n<li>Contact webmasters to request link removal<\/li>\n\n\n\n<li>Use Google\u2019s disavow tool when removal is not possible<\/li>\n\n\n\n<li>Monitor backlink profile regularly<\/li>\n<\/ul>\n\n<p>To better understand performance measurement, you can also read our guide on <a href=\"https:\/\/alienroad.com\/seo-2\/seo-metrics\/\">SEO metrics<\/a>.<\/p>\n\n<p>For official guidance, review Google\u2019s documentation at <a href=\"https:\/\/developers.google.com\/search\/docs\/fundamentals\/seo-starter-guide\" target=\"_blank\" rel=\"noreferrer noopener\">Google Search Central<\/a>.<\/p>\n\n<h2 class=\"wp-block-heading\" id=\"final-thoughts\">Final Thoughts<\/h2>\n\n<p>A link audit is a proactive SEO practice that protects rankings and long-term visibility. By regularly reviewing backlinks, websites can avoid penalties and maintain a healthy link profile.<\/p>\n\n<p>Consistent link audits combined with ethical link-building strategies create a strong foundation for sustainable SEO success.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>What Is a Link Audit? A link audit is the process of analyzing all inbound links pointing to a website in orde [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":61694,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1221],"tags":[1363],"class_list":["post-82079","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-seo-2","tag-1363"],"acf":[],"_links":{"self":[{"href":"https:\/\/alienroad.com\/ja\/wp-json\/wp\/v2\/posts\/82079","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/alienroad.com\/ja\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/alienroad.com\/ja\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/alienroad.com\/ja\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/alienroad.com\/ja\/wp-json\/wp\/v2\/comments?post=82079"}],"version-history":[{"count":2,"href":"https:\/\/alienroad.com\/ja\/wp-json\/wp\/v2\/posts\/82079\/revisions"}],"predecessor-version":[{"id":82097,"href":"https:\/\/alienroad.com\/ja\/wp-json\/wp\/v2\/posts\/82079\/revisions\/82097"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/alienroad.com\/ja\/wp-json\/wp\/v2\/media\/61694"}],"wp:attachment":[{"href":"https:\/\/alienroad.com\/ja\/wp-json\/wp\/v2\/media?parent=82079"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/alienroad.com\/ja\/wp-json\/wp\/v2\/categories?post=82079"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/alienroad.com\/ja\/wp-json\/wp\/v2\/tags?post=82079"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}