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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bamf.de

https://bamf.de· First analyzed 20 Feb 2026· Updated 20 Feb 2026

Export

bamf.de

Sponsored

Hosting Provider

Itzbund

IP Address

80.245.152.182

Server Location

🇩🇪 Troisdorf, Germany

ASN

AS35704

Organization

Itzbund

Server

Apache

Nameservers

dns-1.dfn.de.nuernberg.bund.de.xenon.bund.de.bamberg.bund.de.+1 more

Performance

Page Speed

5.3 MB

53 requests

0–49

50–89

90–100

Architecture Stack

Monolithic

⚙️ SSR

Infrastructure

Hosting

Itzbund

Technology Stack

5 Technologies Detected

Libraries

CSS Frameworks

Icon Libraries

Analytics

Web Servers

SEO Analysis

C67/100

bamf.debamf.de

BAMF - Bundesamt für Migration und Flüchtlinge - Startseite

Homepage des deutschsprachigen Auftritts

Title Length61 chars

Recommended: 50-60 chars

Description Length40 chars

Recommended: 120-160 chars

Issues (1)

• Many images missing alt text (27/34)

4 issues found

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Sponsored

A+

Security Score

98%Excellent

Static / Informational

HTTPS

No WAF

320d

Certificate Details

Type

Organization Validated (OV)

Certificate Authority

D-Trust GmbH

Key Algorithm

RSA (4096 bit)

Signature

SHA-512 with RSA

TLS Version

TLSv1.3

HTTP Protocol

HTTP/1.1

Valid From

05.01.2026

Valid Until

06.01.2027

Subject Alternative Names (4)

www.bamf.dewww.bamf.bund.debamf.debamf.bund.de

SHA-256 Fingerprint

5C:35:7C:02:DF:DD:B9:91:AD:7D:BD:FD:64:45:76:55:6D:21:50:0E...

Upgrade to view header details

HTTP Headers

Developer Console

cache-control

🟡 0s(max-age=0)

connection

Keep-Alive

content-language

de-DE

content-security-policy

default-src 'self' 'unsafe-eval'; base-uri 'self'; font-src ...

content-type

text/html;charset=utf-8

date

Fri, 20 Feb 2026 03:49:24 GMT

Good Warning Issue

Email Infrastructure

Custom Mail Server

Score

SPF

DKIM

DMARC

DMARC Policy

Reject (Strictest)

Domain Information

bamf.de

Last Updated

18.06.2025

DNSSEC

Not Enabled

Privacy & Compliance

Cookie Consent Banner

GDPR Indicators

Cookie consent banner detected

Typography & Readability

bundesserifweb + bundessansweb

78/100

Readability

/30

40/40

17px · LH 1.47

Hierarchy

/20

15/25

1.41x ratio

WCAG

/25

15/15

Contrast: undefined

Performance

/25

13/20

2 fonts

Heading Font

bundesserifweb

Serif24px

Body Font

bundessansweb

Sans17px

Contrast Ratio

Reading Comfort

~33 CPL

Needs attention

24px

28px

18px

17px

✅ Excellent readability: 17px body text is ideal for all devices.

✅ Optimal line spacing: 1.47 ratio ensures comfortable reading.

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

✅ Good performance: Using 2 font families keeps load times fast.

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

✅ Protected text on images: Using gradient for readability.

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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

9 Resources

Scripts

Styles

Async

Defer

Top Script Sources

SiteGlobals(2)

Website Identity

Facebook X (Twitter)

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Last analyzed: 20 Feb 2026 at 03:49

Historical Analysis & Change Tracking