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?

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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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smb.museum

https://smb.museum· First analyzed 17 Feb 2026· Updated 17 Feb 2026

Export

smb.museum

Sponsored

Hosting Provider

Mittwald CM Service GmbH und Co.

IP Address

37.202.6.124

Server Location

🇩🇪 Espelkamp, Germany

ASN

AS15817

Organization

Mittwald CM Service GmbH und Co.

Server

Apache

Nameservers

deneb.dfn.de.ns1.staatsbibliothek-berlin.de.ns.staatsbibliothek-berlin.de.dns-2.dfn.de.

Performance

Page Speed

2.3 MB

40 requests

Image Optimization

Lazy LoadResponsive

0–49

50–89

90–100

Architecture Stack

Monolithic

⚙️ SSR

TYPO3

Technology Stack

8 Technologies Detected

Analytics

Libraries

UI Components

CSS Frameworks

Icon Libraries

Tag Managers

Web Servers

SEO Analysis

A80/100

smb.museumsmb.museum

Home | Staatliche Museen zu Berlin

Die Staatlichen Museen zu Berlin bilden ein Universalmuseum zur Bewahrung, Erforschung und Vermittlung von Kunst- und Kulturschätzen.

Title Length34 chars

Recommended: 50-60 chars

Description Length133 chars

Recommended: 120-160 chars

Issues (1)

• Missing H1 tag - every page should have one H1

2 issues found

Upgrade to view details

Crawlability

Sitemap

Type: index

10 URLs

robots.txt

23 rules

Sitemap reference found

Sponsored

Security Score

31%Critical

Interactive

HTTPS

No WAF

68d

Certificate Details

Type

Domain Validated (DV)

Certificate Authority

Let's Encrypt

Key Algorithm

RSA (2048 bit)

Signature

SHA-256 with RSA

TLS Version

TLSv1.3

HTTP Protocol

HTTP/2

Valid From

26.01.2026

Valid Until

26.04.2026

Subject Alternative Names (1)

www.smb.museum

SHA-256 Fingerprint

00:D4:B7:CE:62:FC:BB:77:17:5A:71:DE:B7:59:F6:91:D3:B5:9A:2A...

Top Recommendations

Security recommendation preview

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HTTP Headers

Developer Console

accept-ranges

bytes

cache-control

🟡 1094s(max-age=1094)

content-encoding

📦 Gzip(gzip)

content-language

de-DE

content-length

17155

content-type

text/html; charset=utf-8

Good Warning Issue

Email Infrastructure

Custom Mail Server

Score

SPF

DKIM

DMARC

DMARC Policy

None (Monitor Only)

MX Records (3)

a2741.mx.srv.dfn.de

c2741.mx.srv.dfn.de

b2741.mx.srv.dfn.de

Domain Information

smb.museum

Domain Age

21y 9m

Created

14.05.2004

Expires

14.05.2026

Last Updated

20.11.2025

Registrar

SECURA GMBH

DNSSEC

Not Enabled

Privacy & Compliance

Cookiebot

Cookie Consent Banner

Cookiebot

GDPR Indicators

Cookie consent banner detected

CMP: Cookiebot

Typography & Readability

Roboto Condensed Regular + Roboto Condensed Medium

58/100

Readability

/30

32/40

25px · LH 1.25

Hierarchy

/20

8/25

WCAG

/25

15/15

Contrast: undefined

Performance

/25

10/20

3 fonts

Heading Font

Roboto Condensed Regular

Sans

Body Font

Roboto Condensed Medium

Sans25px

Contrast Ratio

Reading Comfort

~37 CPL

Needs attention

32px

24px

21px

25px

✅ Excellent readability: 25px body text is ideal for all devices.

✅ Smart font loading: Using font-display: swap prevents invisible text during load.

⚠️ Cramped layout: 27 elements lack adequate spacing.

Buy on MyFonts

Business & Marketing Stack

3 Tools Detected

Growing

Behavior Analytics

Matomo (Piwik)Mid-Market

Google Tag ManagerFree

Google AnalyticsFree

User behavior and product analytics

Sponsored

Scripts & Styles

7 Resources

Scripts

Styles

Async

Defer

Top Script Sources

code.etracker.com(2)local(2)webstats.sbb.berlin(1)etracker.de(1)

Website Identity

Facebook Instagram

Sponsored

Last analyzed: 17 Feb 2026 at 12:42

Historical Analysis & Change Tracking