Minorank SEO Inspector 作者： Fotis Moutsakis
Free on-page SEO analyser. Score, meta, headings, Core Web Vitals, schema, redirect chains, tags & PDF reports. No login.
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Minorank SEO Inspector gives you a complete on-page SEO audit in seconds — directly inside Chrome, on
any page, with no account required.
Open the extension and get an instant SEO score with actionable checks across 8 areas: content,
technical, performance, links, social, keywords, and tracking tags.
──────────────────────────────────────
📋 OVERVIEW & SEO SCORE
──────────────────────────────────────
• Instant SEO score (0–100%) with pass / warn / fail breakdown
• Critical alerts for missing or duplicate H1 headings
• Word count, internal links, external links, image count at a glance
• One-click JSON, PDF, and ZIP report export
──────────────────────────────────────
✏ CONTENT
──────────────────────────────────────
• Meta title and meta description with length indicators and copy buttons
• Duplicate title/description detector — warns when the same meta is used on multiple pages you've
visited
• Content freshness — surfaces published date and last-modified date with relative age (3mo ago, 1y
ago)
• Full heading tree (H1–H6) with hierarchy issue detection
• Section-by-section word count breakdown
• Flesch–Kincaid reading ease score and grade
• Top keyword density table
──────────────────────────────────────
⚙ TECHNICAL
──────────────────────────────────────
• Indexability verdict — combines robots meta, robots.txt rules, and canonical to tell you if Google
can index the page
• Redirect chain — automatically traces every 301/302 hop for the current URL
• Canonical URL checker
• Robots meta tag analysis
• robots.txt viewer — fetches and displays the file, highlights rules that affect the current page
• XML sitemap checker — verifies the current URL appears in the sitemap (handles sitemap indexes and
encoded URLs)
• Hreflang validator — checks for missing self-referencing tags and reciprocal confirmation on
alternate URLs
• Mobile-first checks — viewport meta, font sizes, tap target sizes, horizontal scroll, touch icon, web
manifest
• E-commerce / WooCommerce product checks — schema presence, price, availability, SKU, brand,
breadcrumb, reviews
• Schema.org JSON-LD viewer and validator — field-level error and warning detection per schema type
• Rich snippet eligibility — shows which Google rich result types the page qualifies for
──────────────────────────────────────
⚡ PERFORMANCE
──────────────────────────────────────
• Speed grade (A / B / C / F) based on TTFB, full load time, and LCP
• Core Web Vitals — LCP, CLS, INP, FID with good / needs improvement / poor thresholds
• Navigation Timing breakdown — TTFB, DOM Ready, Full Load, DNS, TCP, SSL
• Image resource analysis — total weight, oversized images, legacy formats (JPG/PNG vs WebP/AVIF),
slow-loading images
──────────────────────────────────────
🔗 LINKS
──────────────────────────────────────
• Full internal and external link inventory with anchor text and rel attributes (nofollow, sponsored,
ugc)
• On-demand broken link checker (HEAD requests with GET fallback)
• Redirect chain detection per link
──────────────────────────────────────
📣 SOCIAL
──────────────────────────────────────
• Live SERP preview — see exactly how the page appears in Google search results
• Open Graph and Twitter Card preview (Facebook, LinkedIn, Twitter/X)
• Competitor compare — enter any competitor URL and compare their title, description, and OG side by
side
──────────────────────────────────────
🔑 KEYWORDS
──────────────────────────────────────
• Focus keyword checker — enter any keyword and instantly see if it appears in the title, H1, URL, meta
description, first paragraph, and image alt text
──────────────────────────────────────
🏷 TAGS & TRACKING
──────────────────────────────────────
Detects 13 marketing and analytics tools with their account IDs:
• Google Analytics 4 (GA4) · Google Tag Manager · Universal Analytics (UA)
• Google Search Console verification · Meta (Facebook) Pixel
• Hotjar · Microsoft Clarity · HubSpot · LinkedIn Insight Tag
• TikTok Pixel · Microsoft Ads (UET) · Intercom · Crisp Chat
──────────────────────────────────────
📄 REPORTS
──────────────────────────────────────
• PDF report — full printable audit covering every section above, including schema validation, mobile
checks, e-commerce details, tags, and image optimisation
• ZIP export — bundles report.json and a standalone report.html
• JSON export — raw structured data for developers
──────────────────────────────────────
🔒 PRIVACY
──────────────────────────────────────
• No account or login required
• No data sent to any server — all analysis runs locally in your browser
• Permissions used: activeTab, scripting, storage (for duplicate meta detection across tabs)
any page, with no account required.
Open the extension and get an instant SEO score with actionable checks across 8 areas: content,
technical, performance, links, social, keywords, and tracking tags.
──────────────────────────────────────
📋 OVERVIEW & SEO SCORE
──────────────────────────────────────
• Instant SEO score (0–100%) with pass / warn / fail breakdown
• Critical alerts for missing or duplicate H1 headings
• Word count, internal links, external links, image count at a glance
• One-click JSON, PDF, and ZIP report export
──────────────────────────────────────
✏ CONTENT
──────────────────────────────────────
• Meta title and meta description with length indicators and copy buttons
• Duplicate title/description detector — warns when the same meta is used on multiple pages you've
visited
• Content freshness — surfaces published date and last-modified date with relative age (3mo ago, 1y
ago)
• Full heading tree (H1–H6) with hierarchy issue detection
• Section-by-section word count breakdown
• Flesch–Kincaid reading ease score and grade
• Top keyword density table
──────────────────────────────────────
⚙ TECHNICAL
──────────────────────────────────────
• Indexability verdict — combines robots meta, robots.txt rules, and canonical to tell you if Google
can index the page
• Redirect chain — automatically traces every 301/302 hop for the current URL
• Canonical URL checker
• Robots meta tag analysis
• robots.txt viewer — fetches and displays the file, highlights rules that affect the current page
• XML sitemap checker — verifies the current URL appears in the sitemap (handles sitemap indexes and
encoded URLs)
• Hreflang validator — checks for missing self-referencing tags and reciprocal confirmation on
alternate URLs
• Mobile-first checks — viewport meta, font sizes, tap target sizes, horizontal scroll, touch icon, web
manifest
• E-commerce / WooCommerce product checks — schema presence, price, availability, SKU, brand,
breadcrumb, reviews
• Schema.org JSON-LD viewer and validator — field-level error and warning detection per schema type
• Rich snippet eligibility — shows which Google rich result types the page qualifies for
──────────────────────────────────────
⚡ PERFORMANCE
──────────────────────────────────────
• Speed grade (A / B / C / F) based on TTFB, full load time, and LCP
• Core Web Vitals — LCP, CLS, INP, FID with good / needs improvement / poor thresholds
• Navigation Timing breakdown — TTFB, DOM Ready, Full Load, DNS, TCP, SSL
• Image resource analysis — total weight, oversized images, legacy formats (JPG/PNG vs WebP/AVIF),
slow-loading images
──────────────────────────────────────
🔗 LINKS
──────────────────────────────────────
• Full internal and external link inventory with anchor text and rel attributes (nofollow, sponsored,
ugc)
• On-demand broken link checker (HEAD requests with GET fallback)
• Redirect chain detection per link
──────────────────────────────────────
📣 SOCIAL
──────────────────────────────────────
• Live SERP preview — see exactly how the page appears in Google search results
• Open Graph and Twitter Card preview (Facebook, LinkedIn, Twitter/X)
• Competitor compare — enter any competitor URL and compare their title, description, and OG side by
side
──────────────────────────────────────
🔑 KEYWORDS
──────────────────────────────────────
• Focus keyword checker — enter any keyword and instantly see if it appears in the title, H1, URL, meta
description, first paragraph, and image alt text
──────────────────────────────────────
🏷 TAGS & TRACKING
──────────────────────────────────────
Detects 13 marketing and analytics tools with their account IDs:
• Google Analytics 4 (GA4) · Google Tag Manager · Universal Analytics (UA)
• Google Search Console verification · Meta (Facebook) Pixel
• Hotjar · Microsoft Clarity · HubSpot · LinkedIn Insight Tag
• TikTok Pixel · Microsoft Ads (UET) · Intercom · Crisp Chat
──────────────────────────────────────
📄 REPORTS
──────────────────────────────────────
• PDF report — full printable audit covering every section above, including schema validation, mobile
checks, e-commerce details, tags, and image optimisation
• ZIP export — bundles report.json and a standalone report.html
• JSON export — raw structured data for developers
──────────────────────────────────────
🔒 PRIVACY
──────────────────────────────────────
• No account or login required
• No data sent to any server — all analysis runs locally in your browser
• Permissions used: activeTab, scripting, storage (for duplicate meta detection across tabs)
This extension has no build process. All files are plain HTML, CSS, and JavaScript, no minification, no bundling, no compilation. The submitted ZIP is the complete human-readable source code. The background service worker handles broken link checking via HEAD requests to external URLs. All dynamic content rendered via innerHTML is sanitized through a custom esc() function.
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