www.princeton.edu
https://www.princeton.edu/
Scanned on April 12, 2026
Quick Wins — Top 5 Issues to Fix
- ✗Title length: 27 characters (too short, aim for 30-60)meta
- ✗Readability: 14 (difficult — simplify language)content
- ✗47% long sentences (>20 words) — break up for readabilitycontent
- ✗1 images missing width/height — causes layout shift (CLS)content
- ✗31 of 32 images use legacy formats (JPG/PNG/GIF) — convert to WebP/AVIF for 25-50% smaller filescontent
SEO — 73/100 (26 issues)
Failed Checks (26)
- ✗Title length: 27 characters (too short, aim for 30-60)meta
- ✗Readability: 14 (difficult — simplify language)content
- ✗47% long sentences (>20 words) — break up for readabilitycontent
- ✗1 images missing width/height — causes layout shift (CLS)content
- ✗31 of 32 images use legacy formats (JPG/PNG/GIF) — convert to WebP/AVIF for 25-50% smaller filescontent
- ✗1 non-descriptive link text(s) found ("learn more"...) — use descriptive anchor text for SEOcontent
- ✗No hreflang tags — add if targeting multiple languagestechnical
- ✗3 render-blocking scripts — add defer or async attributeperformance
- ✗No font preload/preconnect — add for faster renderingperformance
- ✗No Strict-Transport-Security headersecurity
- ✗No Content-Security-Policy header — XSS risksecurity
- ✗No Terms of Service link — add for legal compliance and trusttrust
- ✗No JSON-LD structured data foundschema
- ✗7 HTTP resource(s) on HTTPS page — security risktechnical
- ✗robots.txt does not reference Sitemap — add Sitemap: URLtechnical
- ✗No dns-prefetch or preconnect hints — add for faster third-party loadingperformance
- ✗3% sentences use transition words — aim for 20%+content
- ✗No max-image-preview:large — add to robots meta for Google Discovermeta
- ✗No Referrer-Policy header — may leak URL datasecurity
- ✗No Permissions-Policy — restrict camera/mic/geo accesssecurity
- ✗1 paragraph(s) exceed 150 words — break up for readabilitycontent
- ✗OG URL (https://www.princeton.edu/home) differs from canonical (https://www.princeton.edu/) — should matchsocial
- ✗144 links on page — exceeds 100 limit, may dilute link equitycontent
- ✗2 render-blocking script(s) in head — add defer or asyncperformance
- ✗No IndexNow integration — add for instant Bing/Yandex indexing on content changestechnical
- ✗8 of 18 H2 sections have < 50 words — add more content or merge thin sectionscontent
Passed Checks (71)
- ✓Title tag found: "Home | Princeton University"meta
- ✓Meta description found (143 chars)meta
- ✓Description length: 143 chars (optimal)meta
- ✓Viewport meta tag found (mobile-friendly)meta
- ✓UTF-8 charset declaredmeta
- ✓Language attribute set on HTML tagmeta
- ✓Theme color set: #ffffffmeta
- ✓No meta refresh redirect (good)meta
- ✓No robots meta tag (default: index, follow)meta
- ✓Single H1 tag foundcontent
- ✓Title-H1 alignment: 67% word overlap (good)content
- ✓18 H2 tags foundcontent
- ✓Heading hierarchy is correctcontent
- ✓1734 words on page (good content depth)content
- ✓All 32 images have ALT textcontent
- ✓JS-based lazy loading detectedcontent
- ✓92 internal links foundcontent
- ✓50 external links foundcontent
- ✓No empty href attributes foundcontent
- ✓Open Graph title foundsocial
- ✓Open Graph description foundsocial
- ✓Open Graph image foundsocial
- ✓Open Graph URL foundsocial
- ✓og:type set to "website"social
- ✓og:site_name: "Princeton University"social
- ✓Twitter Card: "summary"social
- ✓Twitter title foundsocial
- ✓Twitter description foundsocial
- ✓Twitter image foundsocial
- ✓HTTPS enabledtechnical
- ✓Canonical tag foundtechnical
- ✓Canonical tag is self-referencing (correct)technical
- ✓Favicon foundtechnical
- ✓Apple touch icon foundtechnical
- ✓Compression: gziptechnical
- ✓URL length: 26 chars (good)technical
- ✓URL uses hyphens or no separators (good)technical
- ✓No deprecated HTML tags foundtechnical
- ✓Text-to-HTML ratio: 11.6% (good)technical
- ✓Inline CSS: 0.8 KB (acceptable)performance
- ✓Inline JS: 2.6 KB (acceptable)performance
- ✓Cache-Control: max-age=60, public, s-maxage=2764800performance
- ✓X-Content-Type-Options: nosniffsecurity
- ✓About page link found — builds trust and E-E-A-Ttrust
- ✓Contact page/email link foundtrust
- ✓Privacy Policy link foundtrust
- ✓Author byline foundtrust
- ✓<!DOCTYPE html> declaredtechnical
- ✓Viewport includes width=device-width (responsive)meta
- ✓robots.txt found and allows crawlingtechnical
- ✓No AI crawlers blocked in robots.txt — AI search and training can access contenttechnical
- ✓sitemap.xml found with valid formattechnical
- ✓Sitemap contains 14 URL(s)technical
- ✓All 5 checked internal links are workingcontent
- ✓0% nofollow links (0/142) — good link equity flowcontent
- ✓OG image uses absolute URL (correct)social
- ✓Web App Manifest found (PWA-ready)technical
- ✓8 first-person pronouns — some experience showncontent
- ✓97% responsive images (srcset/picture)content
- ✓Title uses "|" separator — Google may rewrite it; consider using "—" insteadmeta
- ✓H1 length: 20 characters (optimal)content
- ✓Title and meta description are different (good)meta
- ✓Viewport allows zoom (good for accessibility)accessibility
- ✓DOM size: ~935 elements (good)performance
- ✓No snippet blocking detected (good — content is fully accessible)technical
- ✓0 third-party script domain(s) (acceptable)performance
- ✓ARIA landmarks present: main, nav, skip-linkaccessibility
- ✓All 1 form input(s) have labels or aria-labelsaccessibility
- ✓No duplicate IDs found (42 unique IDs)accessibility
- ✓No iframes on pagesecurity
- ✓1 feed(s) discovered (RSS) — aids content discoverytechnical
AEO — 52/100 (25 issues)
Failed Checks (25)
- ✗No structured data — AI systems struggle to categorize your pagediscoverability
- ✗No definition lists (<dl>) — great for term/value pairsdiscoverability
- ✗No code blocks — add <code>/<pre> for technical contentdiscoverability
- ✗No FAQ section found — add Q&A content for AI citationstructure
- ✗No data tables — tables help AI compare and cite datastructure
- ✗No concise answer paragraphs detected — add short summaries after headingsstructure
- ✗No numbered steps or ordered lists — add for "how to" AI answersstructure
- ✗Few key-value patterns — use "**Label:** value" format for AIstructure
- ✗No author information — AI values attributed contentcitation
- ✗No Organization schema — AI may not recognize your brandcitation
- ✗Only 2/5 E-E-A-T signals — add about, contact, author infocitation
- ✗Only 0 concise answer paragraph(s) after headings — add 2+ short summaries (40-200 chars) right after H2/H3 tagscitation
- ✗No Speakable schema — add for voice assistant optimizationvoice
- ✗No SearchAction schema — add for enhanced search presencevoice
- ✗Avg 24 words/sentence — simplify for AI and voicevoice
- ✗Pronoun density: 0.2% — add more "you/your" for engagementvoice
- ✗No summary section — add Key Takeaways for AI extractionvoice
- ✗Few Q&A blocks — add question headings followed by answer paragraphsvoice
- ✗No /llms.txt found — add one to guide AI crawlers (emerging standard)discoverability
- ✗No sameAs links in schema — add social profiles for brand recognitioncitation
- ✗No Table of Contents — add jump links for AI content navigationstructure
- ✗No video content — multimedia increases AI engagement and citation ratediscoverability
- ✗Statistics lack source references — attribute data to boost AI trustcitation
- ✗No <details>/<summary> elements — use for expandable Q&A contentstructure
- ✗Brand name used inconsistently (39 partial vs 9 full) — standardizecitation
Passed Checks (27)
- ✓1734 words in HTML — good content for AI parsingdiscoverability
- ✓Clean URL structurediscoverability
- ✓6 semantic HTML5 elements founddiscoverability
- ✓8 content sections — well-structured for AIdiscoverability
- ✓Description + OG description both present — clear topic signalsdiscoverability
- ✓175 named entities found — helps AI understand contextdiscoverability
- ✓92 internal links — good topic cluster signaldiscoverability
- ✓Question-style headings found — ideal for AI snippetsstructure
- ✓10 lists found — structured content for AIstructure
- ✓53% short sentences — easy for AI to extractstructure
- ✓97% concise paragraphs — scannable for AIstructure
- ✓Avg 101 words/section — sufficient depthstructure
- ✓Publication/modification date foundcitation
- ✓Statistics and data found in content — highly citablecitation
- ✓Source citations found — increases AI trustcitation
- ✓50 external links — references authoritative sourcescitation
- ✓Content references 2026/2025 — fresh contentcitation
- ✓Topic focus: 100% — title keywords found in contentcitation
- ✓18 conversational words — good for AI summariesvoice
- ✓First paragraph is snippet-ready (20-60 words)voice
- ✓Active voice dominant (7% passive) — AI-friendlyvoice
- ✓51 H2/H3 headings — good content structure for AIvoice
- ✓No AI-blocking robots directives — AI crawlers can access contentdiscoverability
- ✓Freshness signal found (Last-Modified header or dateModified)citation
- ✓AI crawlers allowed in robots.txt (0/4 explicitly listed)discoverability
- ✓Brand name consistent across 2/3 signals (title, OG, schema)citation
- ✓Content updated within 90 days — fresh content gets 3.2x more AI citationscitation
GEO — 59/100 (24 issues)
Failed Checks (24)
- ✗Few question headings — add Q&A headings for AI Overviewoverview
- ✗No step-by-step content — add numbered guides for AIoverview
- ✗No author schema — add for AI trust signalsauthority
- ✗Incomplete brand identity — add og:site_name + Organization schemaauthority
- ✗No original data signals — "our research shows..." boosts AI citationauthority
- ✗No expert quotes — add professional opinions for credibilityauthority
- ✗No examples or case studies — add real-world examplesauthority
- ✗No links to authoritative sources — cite Google, Schema.org, etc.authority
- ✗No FAQ Schema — add for Google rich results + AI Overviewformat
- ✗No HowTo Schema — add for step-by-step rich resultsformat
- ✗No comparison content — add vs. sections for AI recommendationsformat
- ✗No summary section — add Key Takeaways or TL;DR for AIformat
- ✗No BreadcrumbList schema — add for better AI contextformat
- ✗Only one list type — use both <ul> and <ol> for content varietyformat
- ✗Only 2/6 formatting types — use bold, lists, tables, quotes, codeformat
- ✗Single-perspective content — add "on the other hand..." for balanceformat
- ✗No entity Schema types — add Person, Product, or Organization schemasemantic
- ✗No <time> elements — wrap dates in <time datetime="...">semantic
- ✗Few data points with units — add specific numbers (e.g., "300+ users")semantic
- ✗Only 0 Schema type(s) — add more for AI contexttechnical
- ✗Only 0 data points — add 5+ statistics for +30-40% AI visibility (Princeton study)authority
- ✗Author lacks credentials — anonymous content is a GEO penaltyauthority
- ✗No <figure>/<figcaption> — wrap images with descriptive captions for AIformat
- ✗No authoritative sameAs links — add Wikipedia/Wikidata/LinkedIn URIs to schema for Knowledge Graph alignmentauthority
Passed Checks (34)
- ✓Definition-style content found — featured snippet candidateoverview
- ✓Content freshness signals detectedoverview
- ✓Comprehensive content (1734 words, 18 sections)overview
- ✓Title and H1 are aligned — clear topic focusoverview
- ✓2-level heading hierarchy — deep content structureoverview
- ✓66% optimal paragraphs (20-80 words) — AI-friendlyoverview
- ✓Source citations found — increases AI trustauthority
- ✓3/5 trust signals foundauthority
- ✓3 industry terms used — domain expertise signalauthority
- ✓40 unique external domains — diverse sourcesauthority
- ✓32 images all with ALT text — AI can understand visualsformat
- ✓Data visualization elements found (tables/charts)format
- ✓Actionable advice found — AI prefers practical contentformat
- ✓Conclusion/recommendation found — helps AI provide answersformat
- ✓6/14 semantic HTML5 elements — deep semantic structuresemantic
- ✓100% title keywords in first 200 words — good prominencesemantic
- ✓103 contextual links — good cross-referencingsemantic
- ✓Content categorization found — clear topic classificationsemantic
- ✓7 sections have subtopics (H3) — deep coveragesemantic
- ✓Mobile-friendly (viewport set)technical
- ✓HTTPS secure — trusted by AI systemstechnical
- ✓Page size: 104 KB — reasonabletechnical
- ✓Open Graph fully configured (title, description, image)technical
- ✓Canonical URL set — prevents AI from citing duplicatestechnical
- ✓Page allows AI indexing (no noindex/nosnippet)technical
- ✓HTML lang="en" set (add og:locale for completeness)technical
- ✓3 ARIA landmarks found — good accessibility for AItechnical
- ✓All image ALT texts are descriptive (>5 chars)format
- ✓1734 words — sufficient depth for AI analysisoverview
- ✓First 200 words contain topic keywords — AI extracts primarily from the startoverview
- ✓Definition + list combo — strong featured snippet candidateoverview
- ✓No snippet restrictions — AI can freely extract content (good)technical
- ✓4/6 question types (5W1H) in headings — comprehensiveoverview
- ✓Link anchor texts are descriptive — good AI context signalsemantic
Fix These Issues Automatically
Using WordPress? Install SEO Autopilot for one-click auto-fixes on 65+ issues — with full undo support.
Get SEO Autopilot Plugin