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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ccmixter.org

https://ccmixter.org· First analyzed 16 Feb 2026· Updated 16 Feb 2026

Export

ccmixter.org

Sponsored

Hosting Provider

Worldstream

IP Address

109.236.89.136

Server Location

🇳🇱 Naaldwijk, Netherlands

ASN

AS49981

Organization

Worldstream

Server

Apache

Nameservers

ns05.domaincontrol.com.ns06.domaincontrol.com.

Performance

Page Speed

918 KB

62 requests

0–49

50–89

90–100

Architecture Stack

Monolithic

⚙️ SSR

Infrastructure

Hosting

Worldstream

Technology Stack

6 Technologies Detected

Advertising

Google Ads Google AdSense

Meta Frameworks

Libraries

Web Servers

Languages

SEO Analysis

F38/100

ccmixter.orgccmixter.org

ccMixter - Welcome to ccMixter

ccMixter is a community remix site operated by ArtisTech Media, created by Creative Commons

Title Length30 chars

Recommended: 50-60 chars

Description Length91 chars

Recommended: 120-160 chars

Issues (2)

• Many images missing alt text (11/14)
• Missing viewport meta tag - page may not be mobile-friendly

8 issues found

Upgrade to view details

Crawlability

Sitemap

robots.txt

222 rules

Sponsored

Security Score

0%Critical

No SSL

No WAF

N/A

Upgrade to view header details

HTTP Headers

Developer Console

access-control-allow-origin

regular

cache-control

⚪ Custom(must-revalidate)

connection

Keep-Alive

content-encoding

📦 Gzip(gzip)

content-length

9222

content-type

text/html

Good Warning Issue

Email Infrastructure

GoDaddy Email

Score

SPF

DKIM

DMARC

MX Records (2)

mailstore1.secureserver.net

smtp.secureserver.net

Domain Information

ccmixter.org

Domain Age

22y 2m

Created

14.12.2003

Expires

14.12.2027

Last Updated

28.01.2026

Registrar

GoDaddy.com, LLC

DNSSEC

Not Enabled

Privacy & Compliance

Cookie Consent Banner

GDPR Indicators

Typography & Readability

Verdana

60/100

Readability

/30

32/40

14px · LH 1.40

Hierarchy

/20

20/25

1.57x ratio

WCAG

/25

5/15

Contrast: undefined

Performance

/25

20/20

System fonts

Heading Font

Verdana

Sans22px

Body Font

Verdana

Sans14px

Contrast Ratio

Reading Comfort

~60 CPL

Optimal (45–75)

22px

20px

14px

⚠️ Small text: 14px may be hard to read on mobile. Consider 16px+.

✅ Optimal line spacing: 1.40 ratio ensures comfortable reading.

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

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

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

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

Buy on MyFonts

Business & Marketing Stack

2 Tools Detected

Advanced

Behavior Analytics

Google AnalyticsFree

User behavior and product analytics

Advertising

Google AdsEnterprise

Ad platforms and retargeting pixels

Sponsored

Scripts & Styles

26 Resources

Scripts

Styles

Async

Defer

Top Script Sources

ccmixter.org(10)pagead2.googlesyndication.com(4)gstatic.com(1)cdn.tiny.cloud(1)cdn.ckeditor.com(1)

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Last analyzed: 16 Feb 2026 at 12:22

Historical Analysis & Change Tracking