What does StackOptic analyze?

StackOptic runs 18 analysis modules on any public website from a single URL. It detects 7,000+ technologies (CMS, frameworks, analytics, payments, CDN, hosting), evaluates SSL certificates and HTTP security headers with grades from A+ to F, measures Core Web Vitals (LCP, CLS, TBT, FCP), audits SEO meta tags and structured data, checks email security (SPF, DKIM, DMARC), analyzes AI & LLM readiness including bot access and llms.txt validation, extracts color palettes and typography, estimates carbon footprint, and generates permanent shareable reports.

Does it work on sites behind Cloudflare or bot protection?

Yes. StackOptic uses a real browser engine that loads pages exactly like a human visitor — executing JavaScript, rendering CSS, and handling redirects. This allows it to bypass Cloudflare, LiteSpeed, Sucuri, and other bot protection systems where traditional crawlers and HTTP-only tools fail.

What do I get on the free plan?

The free plan includes 5 analyses per day with access to all 18 modules, full scores, technology detection, and security grades. Every report is permanently accessible via a unique shareable URL — no login required to view. No credit card needed. AI-powered insights, re-analysis, PDF/JSON export, and comparison features are available on Pro ($24/mo) and Agency ($99/mo) plans.

What is AI & LLM readiness analysis?

This module evaluates how visible and citable your website is to AI search engines like ChatGPT, Perplexity, Google AI Overviews, and Claude. It audits access permissions for 8 major AI bots, validates llms.txt and llms-full.txt files, scores citation-ready content structure, and analyzes structured data (JSON-LD) for GEO readiness — helping you rank in the next generation of search.

How long does an analysis take?

Most analyses complete in under 10 seconds. StackOptic runs all 18 modules in parallel using a real browser session, so you get technology detection, security audit, performance metrics, SEO analysis, and AI readiness scoring simultaneously.

How accurate are the results?

Detection is based on real browser execution — DOM inspection, JavaScript runtime analysis, HTTP headers, and DNS records. With 7,000+ technology signatures and Lighthouse-calibrated performance scoring, StackOptic achieves high accuracy for mainstream technologies.

What security checks are performed?

The security module evaluates SSL/TLS certificates, 12+ HTTP security headers (HSTS, CSP, X-Frame-Options, Permissions-Policy, Referrer-Policy), HTTPS enforcement, and email authentication (SPF, DKIM, DMARC). Each site receives a letter grade from A+ to F with specific remediation steps.

Do you store the websites I analyze?

StackOptic only stores publicly available information that any visitor to a website would see — HTML content, HTTP headers, DNS records, and screenshots. We do not access private data, log in to websites, or perform any intrusive testing.

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uni-muenster.de

https://uni-muenster.de· First analyzed 13 Feb 2026· Updated 13 Feb 2026

Export

uni-muenster.de

Mobile

Sponsored

Hosting Provider

Westfaelische Wilhelms-Universitaet, ZIV

IP Address

128.176.6.221

Server Location

🇩🇪 Münster, Germany

ASN

AS680

Organization

Westfaelische Wilhelms-Universitaet, ZIV

Server

Apache

Nameservers

ns02-ext.uni-muenster.de.ns01-ext.uni-muenster.de.dns-2.dfn.de.dns-1.dfn.de.

Performance

Page Speed

3.2 MB

44 requests

Image Optimization

Lazy LoadResponsive

0–49

50–89

90–100

Architecture Stack

Monolithic

⚙️ SSR

Infrastructure

Hosting

Westfaelische Wilhelms-Universitaet, ZIV

Technology Stack

7 Technologies Detected

Libraries

UI Components

Other

Other

CSS Frameworks

Analytics

Web Servers

SEO Analysis

C64/100

uni-muenster.deuni-muenster.de

Universität Münster

Exzellente, interdisziplinäre Forschung, qualitativ hochwertige Lehre, die strukturierte Förderung des wissenschaftlichen Nachwuchses und Gender mainstreamin...

Description truncated.

Title Length19 chars

Recommended: 50-60 chars

Description Length215 chars

Recommended: 120-160 chars

Issues (0)

5 issues found

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Crawlability

Sitemap

robots.txt

17 rules

Sponsored

Security Score

36%Critical

Interactive

HTTPS

No WAF

158d

Certificate Details

Type

Organization Validated (OV)

Certificate Authority

Hellenic Academic and Research Institutions CA

Key Algorithm

ECDSA (secp256r1) (256 bit)

Signature

ECDSA with SHA-384

TLS Version

TLSv1.3

HTTP Protocol

HTTP/1.1

Valid From

22.07.2025

Valid Until

22.07.2026

OCSP Stapling

Enabled

Subject Alternative Names (10)

www.sos.wwu.desos.unims.desos.uni-muenster.desos.uni.mswww.uni-muenster.dewwu.dewww.wwu.dewww.sos.uni-muenster.de+2 more

SHA-256 Fingerprint

52:40:9C:AB:ED:F4:30:69:D6:C7:A8:43:D1:40:3C:DD:DC:31:99:47...

Top Recommendations

Security recommendation preview

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HTTP Headers

Developer Console

accept-ranges

bytes

connection

Keep-Alive

content-encoding

📦 Gzip(gzip)

content-length

9158

content-type

text/html

date

Fri, 13 Feb 2026 11:50:36 GMT

Good Warning Issue

Email Infrastructure

Custom Mail Server

Score

SPF

DKIM

DMARC

DMARC Policy

None (Monitor Only)

MX Records (4)

udcm-wwu2.uni-muenster.de

udcm-wwu3.uni-muenster.de

udcm-wwu4.uni-muenster.de

udcm-wwu1.uni-muenster.de

Domain Information

uni-muenster.de

Last Updated

13.11.2023

DNSSEC

Not Enabled

Privacy & Compliance

Cookie Consent Banner

GDPR Indicators

Typography & Readability

MetaWebPro

62/100

Readability

/30

24/40

15px · LH 1.40

Hierarchy

/20

15/25

1.09x ratio

WCAG

/25

15/15

Contrast: undefined

Performance

/25

13/20

1 font

Heading Font

MetaWebPro

Sans17px

Body Font

MetaWebPro

Sans15px

Contrast Ratio

Reading Comfort

~37 CPL

Needs attention

17px

25px

23px

15px

Minor Third

Scale

⚠️ Small text: 15px may be hard to read on mobile. Consider 16px+.

⚠️ Weak hierarchy: Headlines should be at least 2x body size for clear visual structure.

✅ Good performance: Using 1 font families keeps load times fast.

✅ Consistent design: Single font family with weight variations is a modern best practice.

⚠️ Cramped layout: 29 elements lack adequate spacing.

✅ Clean layout: Consistent left alignment throughout.

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Business & Marketing Stack

2 Tools Detected

Growing

Behavior Analytics

Matomo (Piwik)Mid-Market

Google AnalyticsFree

User behavior and product analytics

Sponsored

Scripts & Styles

11 Resources

Scripts

Styles

Async

Defer

Top Script Sources

local(5)piwik.uni-muenster.de(1)

Website Identity

Facebook Instagram Bluesky

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Last analyzed: 13 Feb 2026 at 11:50

Historical Analysis & Change Tracking