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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eventim-light.com

https://eventim-light.com· First analyzed 19 Feb 2026· Updated 19 Feb 2026

Export

eventim-light.com

Mobile

Sponsored

Hosting Provider

EVENTIM

IP Address

185.109.196.54

Server Location

🇩🇪 Bremen, Germany

ASN

AS204253

Server

Nginx

CDN

Akamai

WAF

Akamai

Nameservers

c.ns14.net.ns.eventim.de.d.ns14.net.b.ns14.net.

Performance

Page Speed

1.4 MB

42 requests

0–49

50–89

90–100

Architecture Stack

Monolithic

⚙️ SSR

Infrastructure

Hosting

EVENTIM

CDN

Akamai

Technology Stack

6 Technologies Detected

CSS Frameworks

Icon Libraries

Analytics

Tag Managers

Web Servers

Customer Support

SEO Analysis

D44/100

eventim-light.comeventim-light.com

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Title Length67 chars

Recommended: 50-60 chars

Description Length149 chars

Recommended: 120-160 chars

Issues (2)

• Missing H1 tag - every page should have one H1
• Many images missing alt text (2/2)

7 issues found

Upgrade to view details

Sponsored

Security Score

85%Very Good

Critical / Transactional

HTTPS

WAF

73d

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

03.02.2026

Valid Until

04.05.2026

Subject Alternative Names (1)

www.eventim-light.com

SHA-256 Fingerprint

AD:F0:CE:9E:C5:86:25:5C:56:0A:AD:FA:07:B5:18:FF:59:F0:1F:BC...

Upgrade to view header details

HTTP Headers

Developer Console

content-type

text/html; charset=utf-8

cache-control

🔴 No Cache(no-cache)

content-security-policy

default-src 'nonce-ba5909992cfc8fe618ac92888e405093' 'self' ...

cross-origin-opener-policy

same-origin-allow-popups

cross-origin-resource-policy

cross-origin

etag

W/"395-0Um/vfGZWRve0jTXLcJGLTcZhL0"

Good Warning Issue

Email Infrastructure

Custom Mail Server

Score

SPF

DKIM

DMARC

DMARC Policy

Reject (Strictest)

MX Records (2)

mxa-0072c901.gslb.pphosted.com

mxb-0072c901.gslb.pphosted.com

Domain Information

eventim-light.com

Domain Age

11y 6m

Created

19.08.2014

Expires

19.08.2026

Last Updated

20.08.2025

Registrar

InterNetX GmbH

DNSSEC

Not Enabled

Privacy & Compliance

consentmanager

Cookie Consent Banner

consentmanager

GDPR Indicators

Cookie consent banner detected

CMP: consentmanager

Data Protection Officer mentioned

Typography & Readability

sans-serif

83/100

Readability

/30

40/40

16px · LH 1.50

Hierarchy

/20

8/25

WCAG

/25

15/15

Contrast: undefined

Performance

/25

20/20

System fonts

Heading Font

sans-serif

Sans

Body Font

sans-serif

Sans16px

Contrast Ratio

Reading Comfort

Single Font Family

left aligned

24px

✅ Excellent readability: 16px body text is ideal for all devices.

✅ Optimal line spacing: 1.50 ratio ensures comfortable reading.

✅ Excellent performance: System fonts eliminate font loading delays (better LCP).

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

✅ Clean layout: Consistent left alignment throughout.

Business & Marketing Stack

2 Tools Detected

Growing

Behavior Analytics

Google Tag ManagerFree

Google AnalyticsFree

User behavior and product analytics

Sponsored

Scripts & Styles

16 Resources

Scripts

Styles

Async

Defer

Top Script Sources

p11.techlab-cdn.com(4)local(2)cdn.consentmanager.net(2)googletagmanager.com(1)gstatic.com(1)

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Last analyzed: 19 Feb 2026 at 21:39

Historical Analysis & Change Tracking