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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wikiversity.org

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

Export

wikiversity.org

Mobile

Sponsored

Hosting Provider

Wikimedia esams infra

IP Address

185.15.59.224

Server Location

🇳🇱 Amsterdam, The Netherlands

ASN

AS14907

Server

Apache Traffic Server

CDN

Nameservers

ns1.wikimedia.org.ns2.wikimedia.org.ns0.wikimedia.org.

Performance

Page Speed

25 KB

5 requests

Image Optimization

Responsive

0–49

50–89

90–100

Architecture Stack

Monolithic

⚙️ SSR

Infrastructure

Hosting

Wikimedia esams infra

CDN

Technology Stack

1 Technologies Detected

CSS Frameworks

Tailwind CSS

SEO Analysis

D41/100

wikiversity.orgwikiversity.org

Wikiversity

No description available for this page.

Title Length11 chars

Recommended: 50-60 chars

Description Length0 chars

Recommended: 120-160 chars

Issues (2)

• Missing meta description - important for click-through rates
• Many images missing alt text (1/1)

7 issues found

Upgrade to view details

Crawlability

Sitemap

robots.txt

292 rules

Sitemap reference found

Allows all crawlers

Sponsored

Security Score

36%Critical

Interactive

HTTPS

No WAF

80d

Certificate Details

Type

Domain Validated (DV)

Certificate Authority

Let's Encrypt

Key Algorithm

ECDSA (secp256r1) (256 bit)

Signature

ECDSA with SHA-384

TLS Version

TLSv1.3

HTTP Protocol

HTTP/2

Valid From

06.02.2026

Valid Until

07.05.2026

Subject Alternative Names (20)

*.m.mediawiki.org*.m.wikibooks.org*.m.wikidata.org*.m.wikimedia.org*.m.wikinews.org*.m.wikipedia.org*.m.wikiquote.org*.m.wikisource.org+12 more

SHA-256 Fingerprint

34:61:AA:F3:0B:87:E6:FF:B7:49:69:AE:7A:96:EF:A4:E8:E1:C6:A2...

Top Recommendations

Security recommendation preview

Upgrade to view recommendations

Upgrade to view header details

HTTP Headers

Developer Console

accept-ranges

bytes

age

28558

cache-control

🟡 1 Hours(s-maxage=86400, must-revalidate, max-age=3600)

content-encoding

📦 Gzip(gzip)

content-length

13764

content-type

text/html

Good Warning Issue

Email Infrastructure

Custom Mail Server

Score

SPF

DKIM

DMARC

DMARC Policy

Quarantine (Moderate)

MX Records (2)

mx-in2001.wikimedia.org

mx-in1001.wikimedia.org

Domain Information

wikiversity.org

Domain Age

22y 6m

Created

23.08.2003

Expires

23.08.2026

Last Updated

27.07.2025

Registrar

MarkMonitor Inc.

DNSSEC

Not Enabled

Privacy & Compliance

Cookie Consent Banner

GDPR Indicators

Typography & Readability

Linux Libertine + -apple-system

72/100

Readability

/30

20/40

13px · LH 1.50

Hierarchy

/20

25/25

2.46x ratio

WCAG

/25

15/15

Contrast: undefined

Performance

/25

20/20

System fonts

Heading Font

Linux Libertine

Sans32px

Body Font

-apple-system

Sans13px

Contrast Ratio

Reading Comfort

~51 CPL

Optimal (45–75)

32px

13px

❌ Critical: 13px body text is too small. Increase to at least 14px.

✅ Optimal line spacing: 1.50 ratio ensures comfortable reading.

✅ Strong hierarchy: Headlines are 2.5x larger than body text.

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

✅ Optimal line length: ~51 characters per line is comfortable to read.

⚠️ Inconsistent alignment: Mix of left/center/right creates visual noise.

Buy on MyFonts

Business & Marketing Stack

1 Tools Detected

Growing

Behavior Analytics

Google AnalyticsFree

User behavior and product analytics

Sponsored

Scripts & Styles

2 Resources

Scripts

Styles

Async

Defer

Top Script Sources

portal(2)

Sponsored

Last analyzed: 16 Feb 2026 at 14:43

Historical Analysis & Change Tracking