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Use when auditing content pages for citation quality, suggesting authoritative sources to link for factual claims, or reviewing whether a page's external link attributes (nofollow, noopener) are correctly set.
Codex 또는 Claude로 설치 이 Prompt를 복사해 Codex, Claude 또는 다른 어시스턴트에 붙여 넣으면 Skill 페이지를 검토하고 설치를 진행할 수 있습니다.
SOC 직업 분류 기준
| name | external-links |
| description | Use when auditing content pages for citation quality, suggesting authoritative sources to link for factual claims, or reviewing whether a page's external link attributes (nofollow, noopener) are correctly set. |
| metadata | {"category":"seo","priority":"medium","difficulty":"intermediate","estimatedTime":"10","source":"frontendchecklist.io","url":"https://frontendchecklist.io/en/rules/seo/external-links"} |
Outbound links to authoritative sources strengthen the credibility of your content and are considered a positive trust signal by Google. Pages that cite their sources rank better for informational queries than those that make unsupported claims.
rel="noopener noreferrer" on external links; add rel="nofollow" only for untrusted or paid linksFor each content page, count the number of external <a href> links pointing to domains other than the current site. Check: (1) Are factual claims backed by links to authoritative sources (government sites, peer-reviewed research, official documentation)? (2) Do all external links have rel="noopener noreferrer" for security? (3) Are paid or sponsored links marked with rel="sponsored" or rel="nofollow"?
rel="noopener noreferrer" to all external links for security.rel="sponsored" to paid or affiliate links; rel="nofollow" to links you cannot vouch for.Google uses the context of your outbound links as a signal of content quality. Pages that cite reputable external sources are treated as more trustworthy than those making unsupported assertions. Properly attributed external links also demonstrate E-E-A-T by showing you have researched the topic from primary sources.
Parse all <a href> elements with external URLs (different domain than the site). Verify each external link has rel="noopener noreferrer". Flag paid/affiliate links missing rel="sponsored". Count external links per page — flag pages with zero external links in long-form content (>500 words) that contains factual claims.
For full implementation details, code examples, and framework-specific guidance,
see references/rule.md.
Rule page: https://frontendchecklist.io/en/rules/seo/external-links
Use when reviewing templates, rendered HTML, or shared components related to Implement accessible breadcrumb navigation. Validate the final browser-facing markup, not just the source framework abstraction.
Use when auditing metadata, crawlability, structured data, or indexability related to Implement valid BreadcrumbList schema. Verify the rendered HTML and HTTP response rather than relying only on source files.
Use when reviewing templates, rendered HTML, or shared components related to Declare UTF-8 character encoding. Validate the final browser-facing markup, not just the source framework abstraction.
Use when reviewing templates, rendered HTML, or shared components related to Set text direction for RTL languages. Validate the final browser-facing markup, not just the source framework abstraction.
Use when auditing a site's meta tag uniqueness, generating page-specific meta descriptions, or reviewing CMS templates that inject the same description globally.
Use when you need to find the 2-3 most popular and well-maintained npm packages relevant to a frontend checklist rule, validate they meet quality thresholds, and add them to the rule's frontmatter.