nginx.com operates as a core infrastructure provider specializing in web server and application delivery technologies, positioning itself at the forefront of internet performance and scalability. Despite its strong technical foundation, the site currently holds a Global SEODiff Score of 47, placing it below benchmark standards, with a notably poor ACRI Grade of F and ACRI Score of 27, indicating significant challenges in content quality, semantic clarity, and search engine trust. While its Performance Score of 80 and Extractability Score of 80 reflect excellent technical execution—evidenced by a fast TTFB of 553ms and minimal HTML payload—these strengths are undermined by fundamental SEO and content architecture weaknesses.
The site demonstrates strong AI-readiness, with AI bots like GPTbot, Claudebot, and CCBot explicitly allowed, and no restrictive meta tags present, signaling openness to AI indexing. However, this is offset by critical gaps in structured data: zero schema blocks across all types, including missing Organization, Website, and Breadcrumb markup, which severely limits semantic enrichment and search visibility. The Semantic Structure Score of 20 and Content Integrity Score of 17 reveal a site with minimal meaningful text—only 50 words and 423 useful text bytes—despite a total HTML size of 1.8KB, indicating substantial token bloat (4.3x) and poor content density. This imbalance suggests a high proportion of non-semantic code, reducing extractability despite strong technical performance.
Architecturally, the site shows severe limitations: zero internal links, only three external links, and no declared sitemap, resulting in poor crawlability and link equity distribution. The Architecture Score of 38 reflects these structural shortcomings, while the low Retrieval Robustness of 10 confirms that search engines struggle to reliably surface or understand the site’s core offerings. To improve, nginx.com must prioritize semantic content expansion, implement comprehensive schema markup, rebuild internal linking, and publish a sitemap. These actions would transform its strong technical performance into measurable search visibility and AI trust, unlocking its full potential as an industry leader.
🧮 Score Transparency — How is this calculated?
📊 ACRI Sub-Scores (AI Readiness Detail)
nginx.com punches above its weight in AI — AI visibility exceeds Google ranking. This is a competitive moat worth protecting. ACRI measures technical crawler readiness. Read the methodology →
Why nginx.com ranks here
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.txtfile 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 →
Traditional SEO
25/100 25 % of Global Score 🟡 Medium Confidence📝 Title Tag
Optimal range: 30–60 characters for SERP display.
📋 Meta Description
Optimal range: 120–160 characters for snippet control.
🔤 Heading Hierarchy
- ✓ Exactly 1 <h1> tag — found 1
- ✗ Has <h2> headings — found 0
- ✓ <h2> not before <h1>
🔍 Indexability
- ✗ Canonical tag present
- ✓ No noindex directive
- ✗ Meta viewport set
- ✗ HTML lang attribute
- ✗ Hreflang tags
- ✓ Googlebot allowed by robots.txt
🌐 Social / OpenGraph
- ✗ og:title
- ✗ 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
48/100 40 % of Global Score 🟢 High ConfidenceThis pillar aggregates citation share, hallucination risk, bot access, schema health, and content extractability. The individual diagnostic sections below contribute to this score.
Is AI lying about your brand? This panel measures how likely LLMs are to hallucinate facts when extracting information from your page.
🤖 Bot Access Matrix
📊 Structure & Information Density Docs
🏷️ Schema Health Docs
Schema Coverage Map
📐 AI Efficiency Metrics Docs
Token Bloat Research
Multimodal Readiness
TDM Rights
🔥 Structural Entropy Check Research
🔬 AI-Crawler Simulation
See your website the way AI crawlers do. CSS stripped, structure labeled, content chunked.
Toggle to "AI Agent View" to see what GPTBot, ClaudeBot, and other AI crawlers actually extract from this page.
AI Answer Preview
NEWSee how AI models summarize your site. Left: your actual content. Right: what the LLM extracts and says about you.
🔧 Tech Stack
Performance & Speed
80/100 20 % of Global Score 🟢 High Confidence⏱️ Time to First Byte
Google considers <200 ms "good". AI crawlers may have even shorter timeouts.
📦 Page Weight
DOM nodes
HTML payload
🗄️ Cache & CDN
- ✓ Cache-Control header →
no-cache - ✗ CDN cache status
- ✗ CDN detected
🔬 Tracker Tax
tracker scripts
third-party domains
token overhead
📐 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
38/100 15 % of Global Score 🔴 Low Confidence🗺️ Sitemap & Robots
- ✗ Sitemap declared in robots.txt
- ✓ Googlebot allowed
- ✓ GPTBot allowed
- ✓ ClaudeBot allowed
🔗 Linking
internal links
external links
🔒 Security & Trust
- ✗ HSTS header (Strict-Transport-Security)
- ✗ Content-Security-Policy header
- ✓ HTTP status 200 OK (got 200)
♿ Accessibility Signals
- ✗ HTML lang attribute
- ✗ 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 27/100. Reach 80+ to unlock the green "AI-Verified" badge. Fix the issues below to improve your score.
<a href="https://seodiff.io/radar/domains/nginx.com" rel="noopener"><img src="https://seodiff.io/api/v1/badge?domain=nginx.com" 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 23 pages · Deep-10
| Page | Type | ACRI | Token Bloat | Words | Status |
|---|---|---|---|---|---|
| docs | 47 | 9.0× | 40 | ✓ | |
| pricing | 47 | 9.0× | 40 | ✓ | |
| blog | 47 | 9.0× | 40 | ✓ | |
| blog | 47 | 9.0× | 40 | ✓ | |
| support | 47 | 9.0× | 40 | ✓ | |
| about | 47 | 9.0× | 40 | ✓ | |
| product | 47 | 9.0× | 40 | ✓ | |
| product | 47 | 9.0× | 40 | ✓ | |
| product | 47 | 9.0× | 40 | ✓ | |
| docs | 47 | 9.0× | 40 | ✓ | |
| blog | 47 | 9.0× | 40 | ✓ | |
| social-proof | 47 | 9.0× | 40 | ✓ | |
| conversion | 47 | 9.0× | 40 | ✓ | |
| conversion | 47 | 9.0× | 40 | ✓ | |
| support | 47 | 9.0× | 40 | ✓ | |
| support | 47 | 9.0× | 40 | ✓ | |
| integrations | 47 | 9.0× | 40 | ✓ | |
| support | 47 | 9.0× | 40 | ✓ | |
| trust | 47 | 9.0× | 40 | ✓ | |
| trust | 47 | 9.0× | 40 | ✓ |
| Path | Pages | Avg ACRI | Ghost % | Bloat | Top Issue |
|---|---|---|---|---|---|
| /pricing/ | 1 | 47 | 0% | 9.0× | High JS Bloat |
| /blog/ | 1 | 47 | 0% | 9.0× | High JS Bloat |
| /guides/ | 1 | 47 | 0% | 9.0× | High JS Bloat |
| /support/ | 1 | 47 | 0% | 9.0× | High JS Bloat |
| /faq/ | 1 | 47 | 0% | 9.0× | High JS Bloat |
| /api/ | 1 | 47 | 0% | 9.0× | High JS Bloat |
| /about/ | 1 | 47 | 0% | 9.0× | High JS Bloat |
| /products/ | 1 | 47 | 0% | 9.0× | High JS Bloat |
| /solutions/ | 1 | 47 | 0% | 9.0× | High JS Bloat |
| /terms/ | 1 | 47 | 0% | 9.0× | High JS Bloat |
| /resources/ | 1 | 47 | 0% | 9.0× | High JS Bloat |
| /security/ | 1 | 47 | 0% | 9.0× | High JS Bloat |
| /careers/ | 1 | 47 | 0% | 9.0× | High JS Bloat |
| /docs/ | 1 | 47 | 0% | 9.0× | High JS Bloat |
| /case-studies/ | 1 | 47 | 0% | 9.0× | High JS Bloat |
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/nginx.comGet your free API key — 100 requests/month included.
🔗 Similar infrastructure Sites
Domains with a similar tech stack, industry, and AI readiness profile to nginx.com. Compare side-by-side.
| Domain | ACRI | AI Score | Tech Stack | Token Bloat | Schema | |
|---|---|---|---|---|---|---|
| nginx.com (this site) | 27 | 60 | Custom / Proprietary | 4.3× | 0 | — |
| severeporn-com.goodporn.org | 52 | 69 | Custom / Proprietary | 4.6× | 0 | Compare → |
| insel-monarchie.de | 52 | 73 | Custom / Proprietary | 3.6× | 0 | Compare → |
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| lisinski.hr | 52 | 67 | Custom / Proprietary | 2.0× | 0 | Compare → |
📊 Semantic Share of Voice
How often would an AI cite nginx.com 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…
Bait & Switch Delta
A 15 PAGESCompares your homepage rendering quality with inner pages. A high drift score means AI crawlers see a polished homepage but degraded inner content — the "bait & switch" that erodes trust.
Worst Inner Pages
E-E-A-T Trust Signals
C 50/100Trust indicators extracted from surface pages. These signals help AI systems verify your site's Experience, Expertise, Authoritativeness, and Trustworthiness.
Citation Profile
1 DOMAINSOutbound citation patterns across surface-crawled pages. Sites that cite diverse, authoritative sources signal higher E-E-A-T to AI systems.
AI trust scores for the domains nginx.com links to. Citing high-trust sources lifts your own credibility signal.
Remediation Patches
COPY-PASTEAuto-generated code fixes tailored to nginx.com. Copy and paste these into your codebase to improve AI visibility. These patches are mathematically proven to increase extraction accuracy →
<script type="application/ld+json">
{
"@context": "https://schema.org",
"@type": "Organization",
"name": "Nginx",
"url": "https://nginx.com",
"logo": "https://nginx.com/logo.png",
"sameAs": []
}
</script>
<script type="application/ld+json">
{
"@context": "https://schema.org",
"@type": "WebSite",
"name": "Nginx",
"url": "https://nginx.com",
"potentialAction": {
"@type": "SearchAction",
"target": "https://nginx.com/search?q={search_term_string}",
"query-input": "required name=search_term_string"
}
}
</script>
Projected Impact
ROI EST.If you apply the patches above, here's the estimated improvement for nginx.com:
*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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