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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bafa.de

https://bafa.de· First analyzed 17 Feb 2026· Updated 17 Feb 2026

Export

bafa.de

Mobile

Sponsored

Hosting Provider

ZIVIT FfM SOS

IP Address

80.245.159.150

Server Location

🇩🇪 Troisdorf, Germany

ASN

AS35704

Server

Apache

Nameservers

pns.dtag.de.secondary006.dtag.net.ns1.itzbund.de.ns2.itzbund.de.

Performance

Page Speed

4 MB

47 requests

0–49

50–89

90–100

Architecture Stack

Monolithic

⚙️ SSR

Infrastructure

Hosting

ZIVIT FfM SOS

Technology Stack

5 Technologies Detected

CSS Frameworks

Libraries

Analytics

Web Servers

SEO Analysis

C64/100

bafa.debafa.de

BAFA - Startseite

Homepage des deutschsprachigen Auftritts

Title Length19 chars

Recommended: 50-60 chars

Description Length40 chars

Recommended: 120-160 chars

Issues (0)

5 issues found

Upgrade to view details

Sponsored

Security Score

81%Very Good

Interactive

HTTPS

No WAF

240d

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

15.10.2025

Valid Until

16.10.2026

Subject Alternative Names (14)

www.bafa.dewww.effrechner.bfee-online.dewww.bfee-online.dewww.bafa.euwww.bafa.bund.dewww.apasbafa.bund.dewww.anbieterliste.infoeffrechner.bfee-online.de+6 more

SHA-256 Fingerprint

10:19:41:8C:B1:99:61:01:D4:82:16:B9:4E:4D:53:1C:E3:8D:4E:68...

Top Recommendations

Security recommendation preview

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HTTP Headers

Developer Console

cache-control

🟡 60s(max-age=60)

connection

Keep-Alive

content-language

content-security-policy

default-src 'self'; base-uri 'self'; style-src 'self' 'unsaf...

content-type

text/html;charset=utf-8

date

Tue, 17 Feb 2026 14:21:52 GMT

Good Warning Issue

Email Infrastructure

Custom Mail Server

Score

SPF

DKIM

DMARC

MX Records (1)

mail2.babiel.net

Domain Information

bafa.de

Last Updated

12.06.2024

DNSSEC

Not Enabled

Privacy & Compliance

Cookie Consent Banner

GDPR Indicators

Cookie consent banner detected

Typography & Readability

bundesserifweb + bundessansweb

53/100

Readability

/30

32/40

15px · LH 1.50

Hierarchy

/20

20/25

1.6x ratio

WCAG

/25

5/15

Contrast: undefined

Performance

/25

13/20

2 fonts

Heading Font

bundesserifweb

Serif24px

Body Font

bundessansweb

Sans15px

Contrast Ratio

Reading Comfort

~42 CPL

Needs attention

24px

22px

20px

18px

15px

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

✅ Optimal line spacing: 1.50 ratio ensures comfortable reading.

✅ Good hierarchy: Clear distinction between headlines and body text.

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

⚠️ Risky: Text appears on background images without overlay protection.

⚠️ Cramped layout: 24 elements lack adequate spacing.

Buy on MyFonts

Business & Marketing Stack

2 Tools Detected

Growing

Behavior Analytics

Matomo (Piwik)Mid-Market

Google AnalyticsFree

User behavior and product analytics

Sponsored

Scripts & Styles

10 Resources

Scripts

Styles

Async

Defer

Top Script Sources

SiteGlobals(2)

Sponsored

Last analyzed: 17 Feb 2026 at 14:22

Historical Analysis & Change Tracking