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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steinberg.net

https://steinberg.net· First analyzed 17 Feb 2026· Updated 17 Feb 2026

Export

steinberg.net

Mobile

Sponsored

Hosting Provider

Corpex Internet GmbH

IP Address

194.6.195.207

Server Location

🇩🇪 Hamburg, Germany

ASN

AS39227

Organization

Corpex Internet GmbH

Server

Nginx

CDN

CloudFront

Nameservers

ns2.popidns.eu.dns-auth-2.corpex-dns.net.ns1.popidns.de.

Performance

Page Speed

2 MB

19 requests

0–49

50–89

90–100

Architecture Stack

Monolithic

⚙️ SSR

Infrastructure

Hosting

Corpex Internet GmbH

CDN

CloudFront

Progressive Web App

Web ManifestApple Touch IconTheme Color

Technology Stack

5 Technologies Detected

CSS Frameworks

Analytics

Tag Managers

Other

Web Servers

SEO Analysis

D50/100

steinberg.netsteinberg.net

Creativity First — Our Passion for Music Inspires | Steinberg

With millions of users worldwide, Steinberg is one of the world's largest manufacturers of audio software and hardware. Enter now the world of creativity!

Title Length61 chars

Recommended: 50-60 chars

Description Length154 chars

Recommended: 120-160 chars

Issues (1)

• Missing H1 tag - every page should have one H1

3 issues found

Upgrade to view details

Crawlability

Sitemap

Type: standard

3,204 URLs

robots.txt

1 rules

Sitemap reference found

Allows all crawlers

Sponsored

A+

Security Score

100%Excellent

Static / Informational

HTTPS

No WAF

301d

Certificate Details

Type

Domain Validated (DV)

Certificate Authority

Amazon

Key Algorithm

RSA (2048 bit)

Signature

SHA-256 with RSA

TLS Version

TLSv1.3

HTTP Protocol

HTTP/2+H3

Valid From

16.11.2025

Valid Until

15.12.2026

OCSP Stapling

Enabled

Subject Alternative Names (3)

www.steinberg.netnew.steinberg.netlocator.steinberg.net

SHA-256 Fingerprint

CC:E7:21:40:32:3B:8D:89:4C:E0:42:1A:7C:59:DC:97:92:6D:48:21...

Upgrade to view header details

HTTP Headers

Developer Console

access-control-allow-credentials

true

access-control-allow-origin

http://localhost:3001

alt-svc

h3=":443"; ma=86400

cache-control

🟡 1 Hours(public, max-age=3600)

content-encoding

📦 Gzip(gzip)

content-security-policy

default-src https: 'self' 'unsafe-inline' 'unsafe-eval' *.st...

Good Warning Issue

Email Infrastructure

Microsoft 365

Score

SPF

DKIM

DMARC

DMARC Policy

Reject (Strictest)

MX Records (2)

fallback.pop-i.de

steinberg-net.mail.protection.outlook.com

Domain Information

steinberg.net

Domain Age

30 years

Created

08.02.1996

Expires

09.02.2027

Last Updated

10.02.2026

Registrar

EPAG Domainservices GmbH

DNSSEC

Not Enabled

Privacy & Compliance

Usercentrics

Cookie Consent Banner

Usercentrics

GDPR Indicators

Cookie consent banner detected

CMP: Usercentrics

Data Protection Officer mentioned

Typography & Readability

Work Sans

76/100

Readability

/30

40/40

17px · LH 1.60

Hierarchy

/20

8/25

WCAG

/25

15/15

Contrast: undefined

Performance

/25

13/20

1 font

Heading Font

Work Sans

Body Font

Work Sans

Sans17px

Contrast Ratio

Reading Comfort

Single Family

left aligned

17px

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

✅ Optimal line spacing: 1.60 ratio ensures comfortable reading.

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

✅ Clean layout: Consistent left alignment throughout.

Buy on MyFonts

Business & Marketing Stack

4 Tools Detected

Enterprise

Behavior Analytics

Google Tag ManagerFree

Google AnalyticsFree

User behavior and product analytics

Scheduling

CalendlySMB

Appointment and meeting schedulers

A/B Testing & Optimization

OptimizelyEnterprise

Experimentation and conversion optimization

Sponsored

Scripts & Styles

7 Resources

Scripts

Styles

Async

Defer

Top Script Sources

googletagmanager.com(1)cdn.optimizely.com(1)privacy-proxy.usercentrics.eu(1)local(1)sbl.onfastspring.com(1)

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Last analyzed: 17 Feb 2026 at 04:31

Historical Analysis & Change Tracking