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.

Back to Search

mapy.com

https://mapy.com· First analyzed 17 Feb 2026· Updated 17 Feb 2026

Export

mapy.com

Sponsored

Hosting Provider

Seznam - III

IP Address

77.75.77.16

Server Location

🇨🇿 Prague, Czechia

ASN

AS43037

Server

Nginx

Nameservers

ams.seznam.cz.ans.seznam.cz.

Performance

Page Speed

1.8 MB

120 requests

Image Optimization

Lazy LoadResponsive

0–49

50–89

90–100

Architecture Stack

Headless

⚙️ SSR

Decoupled

API

Data Source

Headless CMS

Strapi

Infrastructure

Hosting

Seznam - III

Progressive Web App

Web ManifestApple Touch IconTheme Color

Detected API Sources

https://login.szn.cz/js/api/3/...

Technology Stack

3 Technologies Detected

CSS Frameworks

Tailwind CSS

Web Servers

Nginx

Frameworks

Express

SEO Analysis

F35/100

mapy.commapy.com

Mapy.com

No description available for this page.

Title Length8 chars

Recommended: 50-60 chars

Description Length0 chars

Recommended: 120-160 chars

Issues (3)

• Missing meta description - important for click-through rates
• Missing H1 tag - every page should have one H1
• Many images missing alt text (59/59)

6 issues found

Upgrade to view details

Crawlability

Sitemap

Type: index

robots.txt

180 rules

Sitemap reference found

Sponsored

Security Score

56%Poor

Interactive

HTTPS

No WAF

60d

Certificate Details

Type

Domain Validated (DV)

Certificate Authority

Let's Encrypt

Key Algorithm

ECDSA (secp256r1) (256 bit)

Signature

ECDSA with SHA-384

TLS Version

TLSv1.2

HTTP Protocol

HTTP/2

Valid From

19.01.2026

Valid Until

19.04.2026

Subject Alternative Names (4)

*.mapy.com*.mapy.czmapy.commapy.cz

SHA-256 Fingerprint

A6:CB:AA:F0:C8:BE:4F:4F:84:74:62:39:B4:C0:94:50:9E:F4:BC:A3...

Top Recommendations

Security recommendation preview

Upgrade to view recommendations

Upgrade to view header details

HTTP Headers

Developer Console

access-control-allow-credentials

true

cache-control

🔴 No Cache(no-cache)

content-encoding

📦 Gzip(gzip)

content-length

4939

content-security-policy

base-uri 'none';object-src 'none';script-src 'unsafe-inline'...

content-type

text/html; charset=UTF-8

Good Warning Issue

Email Infrastructure

Custom Mail Server

Score

SPF

DKIM

DMARC

DMARC Policy

Quarantine (Moderate)

MX Records (2)

ea44c417eba73ecc.mx2.emailprofi.seznam.cz

ea44c417eba73ecc.mx1.emailprofi.seznam.cz

Domain Information

mapy.com

Domain Age

22y 10m

Created

27.04.2003

Expires

27.04.2027

Last Updated

17.02.2025

Registrar

Gransy, s.r.o.

DNSSEC

Not Enabled

Typography & Readability

Arial

53/100

Readability

/30

12/40

12px · LH 1.33

Hierarchy

/20

8/25

WCAG

/25

15/15

Contrast: undefined

Performance

/25

20/20

System fonts

Heading Font

Arial

Sans

Body Font

Arial

Sans12px

Contrast Ratio

Reading Comfort

~51 CPL

Optimal (45–75)

14px

12px

❌ Critical: 12px body text is too small. Increase to at least 14px.

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

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

✅ Protected text on images: Using gradient for readability.

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

Business & Marketing Stack

1 Tools Detected

Growing

Behavior Analytics

Google AnalyticsFree

User behavior and product analytics

Sponsored

Scripts & Styles

20 Resources

Scripts

Styles

Async

Defer

Top Script Sources

api.mapy.cz(6)h.seznam.cz(2)local(2)gacz.hit.gemius.pl(1)c.seznam.cz(1)

Website Identity

Facebook X (Twitter)Instagram

Sponsored

Last analyzed: 17 Feb 2026 at 15:36

Historical Analysis & Change Tracking