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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tvp.pl

https://tvp.pl· First analyzed 15 Feb 2026· Updated 15 Feb 2026

Export

tvp.pl

Mobile

Sponsored

Hosting Provider

TVP

IP Address

195.245.213.251

Server Location

🇵🇱 Warsaw, Poland

ASN

AS25506

Organization

TVP

Server

Apache

CDN

Varnish

Nameservers

dns-c.itvp.com.pl.dns-b.itvp.pl.dns-a.itvp.pl.

Performance

Page Speed

593 KB

95 requests

Image Optimization

Lazy Load

0–49

50–89

90–100

Architecture Stack

Monolithic

⚙️ SSR

Infrastructure

Hosting

TVP

CDN

Varnish

Progressive Web App

Web ManifestApple Touch IconTheme Color

Technology Stack

10 Technologies Detected

Analytics

Frameworks

Meta Frameworks

CSS Frameworks

Fonts

Tag Managers

Advertising

Web Servers

Security

SEO Analysis

B78/100

tvp.pltvp.pl

Telewizja Polska S.A.

Na oficjalnej stronie Telewizji Polskiej obejrzysz wiele programów, sprawdzisz program telewizyjny, poznasz informacje o audycjach i gwiazdach telewizji.

Title Length21 chars

Recommended: 50-60 chars

Description Length153 chars

Recommended: 120-160 chars

Issues (1)

• Missing H1 tag - every page should have one H1

2 issues found

Upgrade to view details

Crawlability

Sitemap

Type: standard

robots.txt

12 rules

Sitemap reference found

Sponsored

Security Score

21%Critical

Interactive

HTTPS

No WAF

328d

Certificate Details

Type

Domain Validated (DV)

Certificate Authority

Asseco Data Systems S.A.

Key Algorithm

RSA (2048 bit)

Signature

SHA-256 with RSA

TLS Version

TLSv1.2

HTTP Protocol

HTTP/1.1

Valid From

09.01.2026

Valid Until

09.01.2027

OCSP Stapling

Enabled

Subject Alternative Names (2)

*.tvp.pltvp.pl

SHA-256 Fingerprint

D1:BE:93:66:F4:50:ED:22:18:12:7F:31:A3:CE:EF:CF:B1:8B:FB:59...

Top Recommendations

Security recommendation preview

Upgrade to view recommendations

Upgrade to view header details

HTTP Headers

Developer Console

accept-ranges

bytes

age

257

cache-control

🟡 440s(max-age=440)

connection

keep-alive

content-encoding

📦 Gzip(gzip)

content-type

text/html; charset=UTF-8

Good Warning Issue

Email Infrastructure

Microsoft 365

Score

100

SPF

DKIM

DMARC

DMARC Policy

Reject (Strictest)

MX Records (2)

tvp-pl.mail.protection.outlook.com

mx1.tvp.pl

Domain Information

tvp.pl

Domain Age

25y 11m

Created

09.03.2000

Expires

08.03.2026

Last Updated

02.03.2025

Registrar

OVH SAS

DNSSEC

Not Enabled

Privacy & Compliance

Cookie Consent Banner

GDPR Indicators

Data Protection Officer mentioned

Typography & Readability

Source Sans Pro + serif

51/100

Readability

/30

20/40

13px · LH 1.50

Hierarchy

/20

8/25

WCAG

/25

15/15

Contrast: undefined

Performance

/25

13/20

1 font

Heading Font

Source Sans Pro

Serif

Body Font

serif

Serif13px

Contrast Ratio

Reading Comfort

Single Font Family

left aligned

25px

35px

13px

Augmented Fourth

Scale

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

✅ Optimal line spacing: 1.50 ratio ensures comfortable reading.

✅ Good performance: Using 1 font families keeps load times fast.

✅ 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.

GGoogle Fonts

Business & Marketing Stack

2 Tools Detected

Growing

Behavior Analytics

Google Tag ManagerFree

Google AnalyticsFree

User behavior and product analytics

Sponsored

Scripts & Styles

22 Resources

Scripts

Styles

Async

Defer

Top Script Sources

s.tvp.pl(4)tvpgapl.hit.gemius.pl(3)googletagmanager.com(2)securepubads.g.doubleclick.net(2)fundingchoicesmessages.google.com(2)

Website Identity

Facebook Instagram TikTok

Sponsored

Last analyzed: 15 Feb 2026 at 08:43

Historical Analysis & Change Tracking