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

polskieradio.pl

https://polskieradio.pl· First analyzed 16 Feb 2026· Updated 16 Feb 2026

Export

polskieradio.pl

Sponsored

Hosting Provider

Polskie Radio SA

IP Address

195.245.217.119

Server Location

🇵🇱 Warsaw, Poland

ASN

AS25523

Organization

Polskie Radio SA

Nameservers

dns02.polskieradio.pl.dns01.polskieradio.pl.

Performance

Page Speed

1004 KB

214 requests

Image Optimization

Lazy LoadWebPResponsive

0–49

50–89

90–100

Architecture Stack

Hybrid

🔀 Hybrid

Frontend

Framework

Next.js

Styling

Tailwind CSS

Infrastructure

Hosting

Polskie Radio SA

Technology Stack

7 Technologies Detected

Meta Frameworks

Analytics

CSS Frameworks

Fonts

Tag Managers

SEO Analysis

B78/100

polskieradio.plpolskieradio.pl

Polskie Radio online

Podcasty, audycje, audiobooki, reportaże i słuchowiska Polskiego Radia i Teatru Polskiego Radia. Audycje i podcasty dla dzieci. Polskie Radio online.

Title Length20 chars

Recommended: 50-60 chars

Description Length149 chars

Recommended: 120-160 chars

Issues (1)

• Missing H1 tag - every page should have one H1

2 issues found

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Security Score

56%Poor

Interactive

HTTPS

No WAF

134d

Certificate Details

Type

Organization Validated (OV)

Certificate Authority

DigiCert Inc

Key Algorithm

RSA (2048 bit)

Signature

SHA-256 with RSA

TLS Version

TLSv1.3

HTTP Protocol

HTTP/1.1

Valid From

01.07.2025

Valid Until

30.06.2026

OCSP Stapling

Enabled

Subject Alternative Names (2)

*.polskieradio.plpolskieradio.pl

SHA-256 Fingerprint

D5:36:7A:9F:C1:4E:5F:21:1F:52:19:5B:7A:B7:3C:32:4A:9F:83:A6...

Top Recommendations

Security recommendation preview

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HTTP Headers

Developer Console

cache-control

🔴 No Cache(no-store, no-cache, must-revalidate, max-age=0)

connection

keep-alive

content-encoding

📦 Gzip(gzip)

content-type

text/html; charset=utf-8

date

Mon, 16 Feb 2026 20:50:45 GMT

strict-transport-security

max-age=31536000; includeSubDomains

Good Warning Issue

Email Infrastructure

Custom Mail Server

Score

SPF

DKIM

DMARC

DMARC Policy

Quarantine (Moderate)

MX Records (2)

mailrelay.polskieradio.pl

mailrelay2.polskieradio.pl

Domain Information

polskieradio.pl

Domain Age

24y 1m

Created

17.01.2002

Expires

16.01.2027

Last Updated

08.01.2026

Registrar

nazwa.pl sp. z o.o.

DNSSEC

Not Enabled

Privacy & Compliance

consentmanager

Cookie Consent Banner

consentmanager

GDPR Indicators

Cookie consent banner detected

CMP: consentmanager

Data Protection Officer mentioned

Typography & Readability

Inter

62/100

Readability

/30

24/40

14px · LH 1.25

Hierarchy

/20

8/25

WCAG

/25

15/15

Contrast: undefined

Performance

/25

20/20

System fonts

Heading Font

Inter

Sans

Body Font

Inter

Sans14px

Contrast Ratio

Reading Comfort

Single Font Family

left aligned

20px

24px

14px

Major Second

Scale

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

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

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

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

✅ Protected text on images: Using gradient for readability.

⚠️ Cramped layout: 625 elements lack adequate spacing.

Buy on MyFonts

Business & Marketing Stack

2 Tools Detected

Growing

Behavior Analytics

Google Tag ManagerFree

Google AnalyticsFree

User behavior and product analytics

Sponsored

Scripts & Styles

25 Resources

Scripts

Styles

Async

Defer

Top Script Sources

local(14)cdn.consentmanager.net(3)d.delivery.consentmanager.net(2)video.onnetwork.tv(1)

Website Identity

Facebook X (Twitter)Instagram LinkedIn

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Last analyzed: 16 Feb 2026 at 20:51

Historical Analysis & Change Tracking