Skill rating

Use when auditing a site's internal link graph for dead-end pages, suggesting related-content links to add to thin or standalone pages, or reviewing CMS templates that produce link-free content pages.

Use when reviewing a website for layout and functionality issues caused by adblocker filter rules targeting common ad-related class names and IDs.

Use when reviewing scripts, client components, bundles, or runtime behavior related to Implement proper error handling. Inspect both source code and the browser execution path so fixes target the real

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 corre

Use when auditing a site's internal link structure, identifying pages that need more incoming links, generating contextual linking opportunities between related content, or reviewing a CMS template's

Use when applies to all HTML documents. Check the `<html>` opening tag for a `lang` attribute with a non-empty, valid BCP 47 language code. Also check for `lang` attribute changes on individual elemen

Use when reviewing rendered HTML, interactive components, or design-system patterns related to Use correct list structure. Check native semantics first, then inspect keyboard behavior, focus flow, acc

Use when auditing a local business website's structured data. Applies to any business that serves customers at a physical location or specific geographic area.

Use when reviewing CI coverage, automated checks, or test strategy related to Test on real mobile devices and viewports. Focus on whether the rule is continuously verified, not just documented.

Use when reviewing image assets, markup, and CDN or build transforms related to Lazy load offscreen images. Check encoded size, rendered size, loading strategy, and above-the-fold impact together. Mis

Use when auditing slow page loads, heavy assets, or rendering delays related to Keep page load time under 3 seconds. Verify the actual bottleneck in DevTools, Lighthouse, or field data before recommen

Use when reviewing rendered HTML, interactive components, or design-system patterns related to Write in plain language. Check native semantics first, then inspect keyboard behavior, focus flow, access

Use when reviewing whether a website has a visible, accessible privacy policy link, particularly in the footer navigation.

Use when auditing site redirects after URL migrations, domain changes, or CMS upgrades. Applies to any site that has had multiple rounds of structural changes over time.

Use when reviewing rendered HTML, interactive components, or design-system patterns related to Respect reduced motion preferences. Check native semantics first, then inspect keyboard behavior, focus f

Use when auditing slow page loads, heavy assets, or rendering delays related to Use resource hints for faster loading. Verify the actual bottleneck in DevTools, Lighthouse, or field data before recomm

Use when reviewing image assets, markup, and CDN or build transforms related to Support high-DPI retina displays. Check encoded size, rendered size, loading strategy, and above-the-fold impact togethe

Use when reviewing rendered HTML, interactive components, or design-system patterns related to Use semantic list elements. Check native semantics first, then inspect keyboard behavior, focus flow, acc

Use when applies to sites that have recently migrated from HTTP to HTTPS, changed domain name, or have www/non-www redirect configurations. Use when sitemap submission reports low coverage.

Use when reviewing server-side rendering setup, Next.js App Router pages, or Node.js HTTP handlers to verify that HTML is streamed incrementally rather than buffered until completion.

Use when reviewing CSS for fixed dimensions, truncation, or overflow rules on elements that render translatable strings.

Use when reviewing rendered HTML, interactive components, or design-system patterns related to Avoid images of text. Check native semantics first, then inspect keyboard behavior, focus flow, accessibl

Use when applies to all static and dynamic websites. Use when auditing a site for duplicate content, setting up a new site, or after migrating platforms that changed URL conventions.

Use when applies to all `<video>` elements and third-party video embeds (YouTube, Vimeo) where the page owner controls the content. Prerecorded videos require `.vtt` caption files via `<track>`. For v

Use when reviewing stylesheets, component styles, and responsive behavior related to Optimize web font formats. Check the rendered layout across breakpoints and interaction states before proposing a f

Use when applies to sites with internal site search functionality. Use when optimizing branded search result appearance or adding structured data for the first time.

Use when applies to any site in health, medicine, finance, law, safety, news, or similar fields. Use when auditing content quality for sites in YMYL categories or investigating why high-quality-seemin

Use when auditing metadata, crawlability, structured data, or indexability related to Optimize article link density. Verify the rendered HTML and HTTP response rather than relying only on source files

Use when auditing metadata, crawlability, structured data, or indexability related to Display clear author bylines. Verify the rendered HTML and HTTP response rather than relying only on source files.

Use when reviewing HTML source and JavaScript for links or resource URLs pointing to domains listed in common adblocker filter lists.

Use when reviewing image assets, markup, and CDN or build transforms related to Fix broken images. Check encoded size, rendered size, loading strategy, and above-the-fold impact together.

Use when auditing metadata, crawlability, structured data, or indexability related to Set canonical URLs for all pages. Verify the rendered HTML and HTTP response rather than relying only on source fi

Use when auditing slow page loads, heavy assets, or rendering delays related to Optimize CSS file size. Verify the actual bottleneck in DevTools, Lighthouse, or field data before recommending changes.

Use when reviewing stylesheets, component styles, and responsive behavior related to Support dark mode with prefers-color-scheme. Check the rendered layout across breakpoints and interaction states be

Use when reviewing rendered HTML, interactive components, or design-system patterns related to Ensure headings contain text. Check native semantics first, then inspect keyboard behavior, focus flow, a

Use when reviewing rendered HTML, interactive components, or design-system patterns related to Maintain logical heading order. Check native semantics first, then inspect keyboard behavior, focus flow,

Use when auditing slow page loads, heavy assets, or rendering delays related to Minimize HTTP requests. Verify the actual bottleneck in DevTools, Lighthouse, or field data before recommending changes.

Use when applies to CSS and JavaScript implementations of modals, overlays, pop-ups, cookie banners, newsletter sign-up dialogs, and promotional overlays. Check for `position: fixed`, `position: absol

Use when auditing a page's link elements for crawlability, reviewing JavaScript-heavy SPAs where navigation may not use `<a href>` tags, or checking that dynamically generated links have valid href va

Use when generating or auditing any `<script type='application/ld+json'>` blocks, implementing structured data for articles, products, FAQs, breadcrumbs, or local businesses, or investigating why rich

Use when reviewing image assets, icon libraries, or components that render illustrations to identify culture-specific content that may need locale overrides or replacement with neutral alternatives.

Use when reviewing image assets, markup, and CDN or build transforms related to Use modern image formats (WebP, AVIF). Check encoded size, rendered size, loading strategy, and above-the-fold impact to

Use when auditing Open Graph tags or generating og:image assets. Applies to any page that may be shared on social networks or messaging platforms.

Use when reviewing string concatenation involving counts, translation key lookups, or i18n library configurations to check whether plural forms are handled correctly for all target locales.

Use when reviewing content pages for user experience and SEO. Applies to blog posts, landing pages, how-to guides, and any long-form content intended for a broad audience.

Use when reviewing rendered HTML, interactive components, or design-system patterns related to Avoid scrolljacking and custom scroll behavior. Check native semantics first, then inspect keyboard behav

Use when applies to blog posts, news articles, tutorials, and other long-form content. Less relevant for product pages, service pages, or home pages. Use when optimizing content distribution.

Use when applies to any site with a manually or programmatically generated XML sitemap. Use when debugging sitemap submission errors in Google Search Console.

Use when applies to blog posts, product pages, and any content page with editable URL slugs. Use when building a URL strategy for a new site or auditing existing URLs for keyword inclusion.

Use when applies to any site with user-generated slugs, CMS-generated URLs, or content in non-English languages. Use when auditing URLs for crawl errors or canonicalization issues.