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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monoskop.org

https://monoskop.org· First analyzed 19 Feb 2026· Updated 19 Feb 2026

Export

monoskop.org

Sponsored

Hosting Provider

SPOJE.NET s.r.o.

IP Address

88.208.121.79

Server Location

🇨🇿 Prague, Czechia

ASN

AS29208

Organization

SPOJE.NET s.r.o.

Server

Nginx

Nameservers

ns2.1984hosting.com.ns0.1984.is.ns1.1984.is.ns1.1984hosting.com.+1 more

Performance

Page Speed

1.5 MB

45 requests

Image Optimization

Lazy LoadResponsive

0–49

50–89

90–100

Architecture Stack

Monolithic

⚙️ SSR

Infrastructure

Hosting

SPOJE.NET s.r.o.

Technology Stack

4 Technologies Detected

Meta Frameworks

Libraries

CSS Frameworks

Web Servers

SEO Analysis

D47/100

monoskop.orgmonoskop.org

Monoskop

Wiki for Arts and Studies

Title Length8 chars

Recommended: 50-60 chars

Description Length25 chars

Recommended: 120-160 chars

Issues (0)

8 issues found

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Crawlability

Sitemap

Type: index

robots.txt

70 rules

Sitemap reference found

Sponsored

Security Score

76%Good

Interactive

HTTPS

No WAF

85d

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/1.1

Valid From

14.02.2026

Valid Until

15.05.2026

Subject Alternative Names (2)

monoskop.orgwww.monoskop.org

SHA-256 Fingerprint

24:9A:82:44:90:36:16:0B:CC:FD:19:A4:38:29:76:0A:73:B9:44:35...

Top Recommendations

Security recommendation preview

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HTTP Headers

Developer Console

cache-control

🟡 0s(private, must-revalidate, max-age=0)

connection

keep-alive

content-encoding

📦 Gzip(gzip)

content-security-policy

frame-ancestors 'self' https://webarchive.multiplace.org;

content-type

text/html; charset=UTF-8

content-language

Good Warning Issue

Email Infrastructure

Custom Mail Server

Score

SPF

DKIM

DMARC

DMARC Policy

Quarantine (Moderate)

MX Records (1)

mail.multiplace.org

Domain Information

monoskop.org

Domain Age

14y 2m

Created

11.12.2011

Expires

11.12.2026

Last Updated

22.06.2024

Registrar

PDR Ltd. d/b/a PublicDomainRegistry.com

DNSSEC

Not Enabled

Privacy & Compliance

Cookie Consent Banner

GDPR Indicators

Data Protection Officer mentioned

Typography & Readability

enriqueta + fedra

51/100

Readability

/30

40/40

21px · LH 1.60

Hierarchy

/20

13/25

1.83x ratio

WCAG

/25

5/15

Contrast: undefined

Performance

/25

10/20

3 fonts

Heading Font

enriqueta

Sans38px

Body Font

fedra

Sans21px

Contrast Ratio

Reading Comfort

~38 CPL

Needs attention

38px

32px

24px

21px

✅ Excellent readability: 21px body text is ideal for all devices.

✅ Optimal line spacing: 1.60 ratio ensures comfortable reading.

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

✅ Smart font loading: Using font-display: swap prevents invisible text during load.

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

⚠️ Cramped layout: 8 elements lack adequate spacing.

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Business & Marketing Stack

1 Tools Detected

Growing

Behavior Analytics

Google AnalyticsFree

User behavior and product analytics

Sponsored

Scripts & Styles

5 Resources

Scripts

Styles

Async

Defer

Top Script Sources

local(1)monoskop.org(1)

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Last analyzed: 19 Feb 2026 at 18:14

Historical Analysis & Change Tracking