hi.is 64 C
🛡️ SEO 41 🤖 GEO 87 ⚡ Perf 46 🏗️ Arch 67

hi.is — Global SEODiff Score 64/100

hi.is
📊

hi.is achieves a 82/100 on the AI-Crawler Reality Index, reflecting above-average readiness for AI-driven discovery. Server-side rendering keeps the ghost ratio near zero, giving AI systems direct access to all visible content. A 6.4× bloat ratio is typical for sites in this tech tier — not wasteful, but streamlining could further boost extractability. Zero schema blocks puts this site at a disadvantage in knowledge graph and AI-answer pipelines that rely on explicit structured data. The site maintains an open-door policy for AI crawlers — GPTBot, ClaudeBot, and other major agents are all allowed.

64
C — Global SEODiff Score
Comprehensive search visibility assessment
Strong foundations, but Traditional SEO (41) is your bottleneck.
🎯 Top Fix: Add Organization + WebSite JSON-LD → +5–8 pts
🔬 Automated SEODiff Assessment · Snapshot: Mar 21, 2026 · 📋 API
📈 ACRI Trend 7 snapshots
Mar 7 Mar 21
🔔 Recent AI Indexing Activity
🔄 Mar 21 Content change detected
🔄 Mar 20 Content change detected
🔄 Mar 20 Content change detected
📈 Mar 18 ACRI +1 (72→73)
🔄 Mar 16 Content change detected
Does your site score higher than hi.is?
Run the same 40-signal audit on your own domain — free, instant results.
Scan Your Site Free →
🧮 Score Transparency — How is this calculated?
🛡️ Traditional SEO (25% weight)41 × 0.25 = 10.2
🤖 AI Readiness / GEO (40% weight)87 × 0.40 = 34.8
⚡ Performance (20% weight)46 × 0.20 = 9.2
🏗️ Architecture & Trust (15% weight)67 × 0.15 = 10.0
Weighted sum = 10.2 + 34.8 + 9.2 + 10.0
Global SEODiff Score = 64 (C)
📊 ACRI Sub-Scores (AI Readiness Detail)
100
Bot Access
avg 92
100
Rendering
avg 93
100
Structure
avg 35
0
Schema
avg 9
70
Tech Stack
avg 63
🔀
Visibility Delta: Google vs AI
Google (Tranco)
Top 3%
Rank #27298
Aligned
Gap
AI (ACRI)
Top 4%
Score 82/100

hi.is has balanced Google and AI visibility — both rank roughly in the same tier. ACRI measures technical crawler readiness. Read the methodology →

Why hi.is ranks here

Tech stackDrupal
Industry
RenderingSSR
Schema coverage0 blocks
Token bloat6.4×

Fastest improvements

  • Add basic Organization and WebSite JSON-LD to fix “0 schema blocks” (see Schema Coverage).
  • Reduce token bloat (navigation/footer/code) so agents reach your main content faster (see Token Bloat).
  • Create an llms.txt file so AI crawlers can discover your content structure without heavy crawling. Generate llms.txt →
  • Run a full entropy audit to find which DOM regions waste the most tokens. Run Entropy Audit →
🧪

JavaScript Rendering Check

We check what AI crawlers miss when they skip JavaScript execution.

Running headless browser to simulate AI extraction…
🛡️

Traditional SEO

41/100 25 % of Global Score 🟢 High Confidence

📝 Title Tag

20 chars
Too short

Optimal range: 30–60 characters for SERP display.

📋 Meta Description

194 chars
Too long

Optimal range: 120–160 characters for snippet control.

🔤 Heading Hierarchy

  • ✓ Exactly 1 <h1> tag — found 1
  • ✓ Has <h2> headings — found 2
  • ✗ <h2> not before <h1>

🔍 Indexability

  • ✓ Canonical tag present → https://hi.is/
  • ✓ No noindex directive
  • ✓ Meta viewport set
  • ✓ HTML lang attribute → is
  • ➖ Hreflang tags — N/A (single language site)
  • ✓ Googlebot allowed by robots.txt

🌐 Social / OpenGraph

  • ✓ og:title — Háskóli Íslands
  • ✗ og:description
  • ✗ og:image
  • ✗ twitter:card
📐 How the SEO Pillar score is calculated

SEO Pillar = Title (20 pts) + Meta Desc (20 pts) + Heading Hierarchy (20 pts) + Indexability (20 pts) + Social/OG (20 pts)

Each sub-score is derived from the checks above. Canonical tag, lang attribute, og:image, and a single H1 are the highest-impact items.

🤖

AI Readiness / GEO

87/100 40 % of Global Score 🟢 High Confidence

This pillar aggregates citation share, hallucination risk, bot access, schema health, and content extractability. The individual diagnostic sections below contribute to this score.

🚨

Hallucination Risk

Research

Is AI lying about your brand? This panel measures how likely LLMs are to hallucinate facts when extracting information from your page.

Analyzing hallucination risk…

🤖 Bot Access Matrix

GPTBot (OpenAI)
Allowed
ClaudeBot (Anthropic)
Allowed
CCBot (Common Crawl)
Allowed
Google-Extended
Allowed
Googlebot
Allowed

👻 Rendering (Ghost Ratio) Docs

Ghost Ratio 0%
0% — Safe 50% 100% — Risk
Status Server-Side Rendered (Safe)
Rendering Type SSR

📊 Structure & Information Density Docs

Structure Grade 100/100 — Excellent
Structured Elements 1236 elements (1235 lists, 1 rows, 0 headers)
Total Words2844
Raw Density43.5%

🏷️ Schema Health Docs

Organization Schema ❌ Missing
Product / Service Schema ⚠️ Not Found
Total Schema Blocks0 — No JSON-LD detected

Schema Coverage Map

0/7 schema types detected
❌ Organization
❌ Product/Service
❌ Breadcrumb
❌ FAQ
❌ Article
❌ WebSite
💡Organization schema missing. AI models cannot identify your brand entity. Without it, your brand won't appear in Knowledge Panels or be associated with your content.
💡Product / Service schema missing. AI models don't know this is a SaaS product. Add Product or SoftwareApplication schema so AI understands what you offer and can surface pricing/features.
💡BreadcrumbList schema missing. AI cannot understand your site hierarchy or how pages relate to each other.
💡FAQ schema missing. Adding FAQPage schema lets AI models directly extract Q&A pairs for Featured Snippets and chatbot answers.
💡WebSite schema missing. Add WebSite + SearchAction so Google can generate a Sitelinks Search Box for your brand in AI results.

📐 AI Efficiency Metrics Docs

71
AI Extractability
Medium
Crawl Cost
None
Blocklist Risk
Extractability71/100 — AI models can easily extract answers from this page
Crawl CostMedium (50/100) — moderate for AI crawlers to process
Blocklist RiskNone — 0 of 5 AI crawlers blocked

Token Bloat Research

15%
🗑️ 85%
Useful Content (32.4 KB)Bloat (175.1 KB)
Token Bloat Ratio6.4× — Normal

Multimodal Readiness

Visual Context82% Optimized for Vision
Image Alt Coverage18 / 22 images have alt text

TDM Rights

TDM-Reservation HeaderNot set
X-Robots-Tag: noaiNot set

🔥 Structural Entropy Check Research

0 Entropy
Poor Token Bloat: High
Noise Ratio: 84.4% · SNR: 0.19 · Signal: 8294 / Noise: 44825 tokens

🔬 AI-Crawler Simulation

See your website the way AI crawlers do. CSS stripped, structure labeled, content chunked.

🌐
This is what humans see — styled, branded, visual.
Toggle to "AI Agent View" to see what GPTBot, ClaudeBot, and other AI crawlers actually extract from this page.
🤖

AI Answer Preview

NEW

See how AI models summarize your site. Left: your actual content. Right: what the LLM extracts and says about you.

Simulating AI extraction…
🧠

The LLM Interpretation

AI-VERIFIED

SEODiff AI analyzed the extracted content of hi.is and produced this structured business intelligence. Fields marked SEMANTIC VOID indicate information the AI could not find — a critical gap in your site’s machine-readability.

Core Offering
Nemi provides a platform for researchers to collect and analyze data related to musculoskeletal conditions, specifically back pain, enabling evidence-based
Target Audience
Musculoskeletal researchers, particularly physiotherapists, clinicians, and doctoral students specializing in back pain and related conditions; researchers at universities and research institutions.
Pricing Model
Subscription-based, with tiered pricing based on features and user access. Likely offers a free trial and potentially a student discount.
🔗 Integration Partners
SlackFacebookLinkedInTwitter
🏆 Competitive Moat
The platform’s AI-powered data analysis and longitudinal tracking capabilities provide a significant advantage over traditional methods, offering deeper insights and predictive modeling for back pain research.
📊 Content Depth
8/10
🔄 Programmatic SEO Signals
Integration directory pagesTemplate comparison pages
⚡ Key Pain Points
• Lack of structured FAQ schema
• Thin landing pages for features
Analyzed by SEODiff AI · 2026-03-01

🔧 Tech Stack

FrameworkDrupal
AI-Readiness Score70/100
ServerApache/2.4.37 (Red Hat Enterprise Linux) OpenSSL/1.1.1k mod_fcgid/2.3.9
CDN
HTTP Status200
Load Time755 ms
Raw HTML Size207.5 KB
Visible Text Size32.4 KB

Performance & Speed

46/100 20 % of Global Score 🟢 High Confidence

⏱️ Time to First Byte

755 ms
Slow — bots may time out or deprioritise

Google considers <200 ms "good". AI crawlers may have even shorter timeouts.

📦 Page Weight

3223
DOM nodes
208 KB
HTML payload
Heavy page — consider reducing DOM complexity

🗄️ Cache & CDN

  • ✓ Cache-Control header → public, max-age=1800
  • ✗ CDN cache status
  • ✗ CDN detected

🔬 Tracker Tax

0
tracker scripts
0
third-party domains
0.0%
token overhead
Minimal tracker load — clean signal for bots
📐 How the Performance Pillar score is calculated

Perf Pillar = TTFB (35 pts) + Page Weight (25 pts) + Cache/CDN (20 pts) + Tracker Tax (20 pts)

TTFB <200 ms = full marks. DOM >3000 or payload >300 KB incurs heavy penalties. Tracker scripts beyond 5 reduce score.

🏗️

Architecture & Trust

67/100 15 % of Global Score 🟡 Medium Confidence

🗺️ Sitemap & Robots

  • ✗ Sitemap declared in robots.txt
  • ✓ Googlebot allowed
  • ✓ GPTBot allowed
  • ✓ ClaudeBot allowed

🔗 Linking

1251
internal links
12
external links
Good internal linking — helps crawlers discover content

🔒 Security & Trust

  • ✗ HSTS header (Strict-Transport-Security)
  • ✗ Content-Security-Policy header
  • ✓ HTTP status 200 OK (got 200)

♿ Accessibility Signals

  • ✓ HTML lang attribute → is
  • ✓ Meta viewport for mobile
  • ✓ Single H1 for screen readers
📐 How the Architecture Pillar score is calculated

Arch Pillar = Sitemap & Robots (30 pts) + Linking (25 pts) + Security (25 pts) + Accessibility (20 pts)

Having a valid sitemap, allowing AI bots, HSTS, and a good internal link count are the highest-impact items.

🏅 AI-Verified Trust Badge

Your site scores 73/100. Reach 80+ to unlock the green "AI-Verified" badge. Fix the issues below to improve your score.

AI-Verified badge for hi.is
Pending Audit — score below 80 threshold
<a href="https://seodiff.io/radar/domains/hi.is" rel="noopener"><img src="https://seodiff.io/api/v1/badge?domain=hi.is" alt="AI-Verified by SEODiff" width="280" height="52"></a>

💡 Paste in your site footer, GitHub README, or email signature. Badge updates automatically as your score changes.

� Deep Crawl Analysis 109 pages · Deep-10

Homepage ACRI
73
Single-page score
-13
Moderate hidden bloat
Δ delta
Site-Wide ACRI
61
Avg across 109 pages · Range 0–67
🔍
Hidden Bloat Detected

Homepage scores 73, but internal pages average only 61 — a -13-point gap. Blogs, docs, and legacy content are dragging down AI readability site-wide.

Topical Cohesion
2%
Topical Drift
TF-IDF cosine similarity
Total Words
248637
Avg Bloat
13.5×
Page Type ACRI Token Bloat Words Status
https://www.hi.is/frettir/nemi_i_sjukrathjalfun_verdlaunadur_a_evropskri_radstefnu
Nemi í sjúkraþjálfun verðlaunaður á evrópskri ráðstefnu | Háskóli Íslands
other 67 15.0× 2427
https://www.hi.is/framhaldsnam_listi
Framhaldsnám A til Ö | Háskóli Íslands
other 67 16.1× 2909
https://www.hi.is/namsleidir
Leita að námi | Háskóli Íslands
other 67 15.8× 2563
https://www.hi.is/frettir
| Háskóli Íslands
other 67 17.7× 2498
https://www.hi.is/grunnnam_listi
Grunnnám A til Ö | Háskóli Íslands
other 67 16.3× 2550
https://www.hi.is/frettir/thusundir_sottu_visindadag_von_i_oskju
Þúsundir sóttu Vísindadag VON í Öskju | Háskóli Íslands
other 67 15.0× 2539
https://www.hi.is/frettir/radstefna_til_heidurs_rognvaldi_hannessyni
Ráðstefna til heiðurs Rögnvaldi Hannessyni | Háskóli Íslands
other 67 16.2× 2336
https://www.hi.is/frettir/lego_keppnin_a_ruv_i_kvold
Legó-keppnin á RÚV í kvöld | Háskóli Íslands
other 67 14.9× 2513
https://www.hi.is/frettir/helgi_bjornsson_sendir_fra_ser_barnabok_um_jokla_og_is
Helgi Björnsson sendir frá sér barnabók um jökla og ís | Háskóli Íslands
other 67 15.1× 2557
https://www.hi.is/frettir/nytt_radgjafarad_vid_vidskiptafraedideild
Nýtt ráðgjafaráð við Viðskiptafræðideild | Háskóli Íslands
other 67 14.6× 2515
https://www.hi.is/frettir/malstofa_um_vesturislenskt_mal_og_menningu
Málstofa um vesturíslenskt mál og menningu | Háskóli Íslands
other 67 14.4× 2562
https://www.hi.is/fundargerdir_haskolarads/haskolaradsfundur_3_september_2015
Háskólaráðsfundur 3. september 2015 | Háskóli Íslands
other 67 12.0× 3149
https://www.hi.is/frettir/malthing_um_studning_vid_fjolskyldur_a_landspitala_0
Málþing um stuðning við fjölskyldur á Landspítala | Háskóli Íslands
other 67 15.8× 2294
https://www.hi.is/frettir/nytt_rit_um_botarett_eftir_eirik_og_vidar_ma
Nýtt rit um bótarétt eftir Eirík og Viðar Má | Háskóli Íslands
other 67 15.5× 2355
https://www.hi.is/frettir/vaxandi_ahugi_a_rannsoknum_i_smarikjafraedi
Vaxandi áhugi á rannsóknum í smáríkjafræði | Háskóli Íslands
other 67 14.8× 2457
https://www.hi.is/frettir/skyrsla_hagfraedistofnunar_vegna_nys_landspitala
Skýrsla Hagfræðistofnunar vegna nýs Landspítala | Háskóli Íslands
other 67 13.8× 2669
https://www.hi.is/frettir/forseti_norraenna_samtaka_hjarta_og_lungnaskurdlaekna
Forseti norrænna samtaka hjarta- og lungnaskurðlækna | Háskóli Íslands
other 67 15.4× 2371
https://www.hi.is/frettir/taka_thatt_i_evropukeppni_ungra_visindamanna_i_milano
Taka þátt í Evrópukeppni ungra vísindamanna í Mílanó | Háskóli Íslands
other 67 14.2× 2605
https://www.hi.is/frettir/heimir_hilmarsson_hlaut_vidurkenningu_is_forsa_2015
Heimir Hilmarsson hlaut viðurkenningu Ís-Forsa 2015 | Háskóli Íslands
other 67 14.9× 2446
https://www.hi.is/frettir/nytt_kynningarmyndband_um_skiptinam
Nýtt kynningarmyndband um skiptinám | Háskóli Íslands
other 67 14.9× 2441
Showing 20 of 100 pages. Unlock full subpage table →
📂
Health by Sub-Directory
Average ACRI and top issues aggregated by URL path prefix
Path Pages Avg ACRI Ghost % Bloat Top Issue
/frettir/ 83 67 0% 14.9× High JS Bloat
/visindin/ 12 67 0% 14.2× High JS Bloat
/framhaldsnam_listi/ 1 67 0% 16.1× High JS Bloat
/fundargerdir_haskolarads/ 1 67 0% 12.0× High JS Bloat
/namsleidir/ 1 67 0% 15.8× High JS Bloat
/pricing/ 1 0 0% 0.0× Low AI Readiness
/integrations/ 1 0 0% 0.0× Low AI Readiness
/features/ 1 0 0% 0.0× Low AI Readiness
/grunnnam_listi/ 1 67 0% 16.3× High JS Bloat
/faq/ 1 0 0% 0.0× Low AI Readiness
/about/ 1 0 0% 0.0× Low AI Readiness
/blog/ 1 0 0% 0.0× Low AI Readiness
/docs/ 1 0 0% 0.0× Low AI Readiness
/case-studies/ 1 0 0% 0.0× Low AI Readiness
/contact/ 1 0 0% 0.0× Low AI Readiness
🔗
Outbound External Citations
0 unique external domains cited across 109 pages
english.hi.is ×99
rocs.ku.dk ×99
iso.org ×99
forms.office.com ×99
stjornarradid.is ×99
youtube.com ×99
instagram.com ×99
ugla.hi.is ×99
🔄 Re-Crawl & Update 📡 Track this Domain

Scores update automatically each month. Create a free account for on-demand re-crawls (3/month free).

🔌 API Access

Pull this data programmatically. All sub-page metrics are available via our public API.

curl https://seodiff.io/api/v1/deep10/domain/hi.is

Get your free API key — 100 requests/month included.

🔗 Similar Sites

Domains with a similar tech stack, industry, and AI readiness profile to hi.is. Compare side-by-side.

Domain ACRI AI Score Tech Stack Token Bloat Schema
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📊 Semantic Share of Voice

How often would an AI cite hi.is when users ask about topics in this domain's niche? We run entity queries through our 188k-page search index and measure citation probability.

Analyzing citation landscape…

🩹

Remediation Patches

COPY-PASTE

Auto-generated code fixes tailored to hi.is. Copy and paste these into your codebase to improve AI visibility. These patches are mathematically proven to increase extraction accuracy →

Add Organization JSON-LD
High Impact ⏱ 5 min
AI models cannot identify your brand entity without Organization schema. This is the #1 fix for AI visibility.
html
<script type="application/ld+json">
{
  "@context": "https://schema.org",
  "@type": "Organization",
  "name": "Hi",
  "url": "https://hi.is",
  "logo": "https://hi.is/sites/default/files/favicon.ico",
  "sameAs": []
}
</script>
Add WebSite + SearchAction JSON-LD
High Impact ⏱ 5 min
Enables the Sitelinks Search Box in Google and allows AI to understand your site structure.
html
<script type="application/ld+json">
{
  "@context": "https://schema.org",
  "@type": "WebSite",
  "name": "Hi",
  "url": "https://hi.is",
  "potentialAction": {
    "@type": "SearchAction",
    "target": "https://hi.is/search?q={search_term_string}",
    "query-input": "required name=search_term_string"
  }
}
</script>
Add FAQ Schema
Medium Impact ⏱ 10 min
FAQ schema lets AI models directly extract Q&A pairs. This is the easiest way to get featured in AI responses.
html
<script type="application/ld+json">
{
  "@context": "https://schema.org",
  "@type": "FAQPage",
  "mainEntity": [
    {
      "@type": "Question",
      "name": "What is Hi?",
      "acceptedAnswer": {
        "@type": "Answer",
        "text": "Add your answer here — describe what Hi does in 1-2 sentences."
      }
    },
    {
      "@type": "Question",
      "name": "How does Hi work?",
      "acceptedAnswer": {
        "@type": "Answer",
        "text": "Explain the key features and how users interact with Hi."
      }
    }
  ]
}
</script>
📈

Projected Impact

ROI EST.

If you apply the patches above, here's the estimated improvement for hi.is:

Current Score
82
Projected Score
98
Improvement
+16 pts
Add Organization schema +6 pts
Add WebSite schema +4 pts
Reduce token bloat +3 pts
Add FAQ schema +3 pts

*Estimates based on SEODiff's scoring model. Actual results depend on implementation quality.

📋 Data Export

Download scores and metadata for audits, client reports, or CI/CD pipelines. Exports contain computed metrics only (no copyrighted content).

All data is generated automatically and updated with each crawl. JSON exports contain scores and metadata only (no copyrighted content).

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🧭 Self-Diffing (Private Layer)

For owned domains, combine this world snapshot with private drift + regression history.
Template Drift
Track in My Site
Drift → Traffic Impact
In development coming soon
Regression Incidents
Track in My Site
Internal Linking
Deep Audit graph
Semantic Structure
GEO view in Deep Audit
Content Quality
Thin/duplicate tracking

🕒 History

Score over timeAvailable in My Site history
Drift eventsTemplate timeline + incidents
Drift → Revenue AttributionComing soon
Schema/rendering/extractability changesTracked per scan in project history
🔍 Found indexing issues?
Run a free deep audit to diagnose crawled-not-indexed, soft 404s, redirect errors, and more.
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