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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vhx.tv

https://vhx.tv· First analyzed 19 Feb 2026· Updated 19 Feb 2026

Export

vhx.tv

Sponsored

Hosting Provider

Cloudflare

cloudflare.com

IP Address

104.18.36.21

Server Location

🇨🇦 Toronto, Canada

ASN

AS13335

Organization

Cloudflare, Inc.

Server

Cloudflare

CDN

Cloudflare

WAF

Cloudflare

Nameservers

crystal.ns.cloudflare.com.tim.ns.cloudflare.com.

Performance

Page Speed

51 KB

74 requests

Image Optimization

Responsive

0–49

50–89

90–100

Architecture Stack

JAMstack

🔀 Hybrid

Decoupled

Frontend

Framework

Next.js

Styling

Tailwind CSS

API

Data Source

Headless CMS

Strapi

Infrastructure

Hosting

Cloudflare

CDN

Cloudflare

Detected API Sources

https://cdn.builder.io/api/v1/...

Technology Stack

6 Technologies Detected

Meta Frameworks

Other

CSS Frameworks

Fonts

Analytics

CDN

SEO Analysis

B74/100

vhx.tvvhx.tv

Vimeo OTT Video Content Monetization Platform

Vimeo OTT transforms videos into a full-scale video streaming service. Start your own OTT channel today to start making money with your video content.

Title Length45 chars

Recommended: 50-60 chars

Description Length150 chars

Recommended: 120-160 chars

Issues (1)

• Many images missing alt text (42/43)

3 issues found

Upgrade to view details

Crawlability

Sitemap

Type: standard

19 URLs

robots.txt

392 rules

Sitemap reference found

Sponsored

A+

Security Score

91%Excellent

Static / Informational

HTTPS

WAF

49d

Certificate Details

Type

Domain Validated (DV)

Certificate Authority

Google Trust Services

Key Algorithm

ECDSA (secp256r1) (256 bit)

Signature

ECDSA with SHA-256

TLS Version

TLSv1.3

HTTP Protocol

HTTP/1.1

Valid From

10.01.2026

Valid Until

10.04.2026

OCSP Stapling

Enabled

Subject Alternative Names (2)

vimeo.com*.vimeo.com

SHA-256 Fingerprint

E5:A7:DE:3B:CB:B7:7B:AD:70:B4:9D:B3:B9:0A:7A:D8:6A:A1:D1:89...

Recommendations

Security recommendation preview

Upgrade to view recommendations

Upgrade to view header details

HTTP Headers

Developer Console

age

227

cf-ray🇩🇪 Frankfurt

9d06de549e26dcac-FRA

cache-control

🔴 No Cache(no-store, no-cache, must-revalidate, post-check=0, pre-check...)

connection

keep-alive

content-encoding

📦 Gzip(gzip)

content-type

text/html; charset=UTF-8

Good Warning Issue

Email Infrastructure

Google Workspace

Score

SPF

DKIM

DMARC

DMARC Policy

None (Monitor Only)

MX Records (5)

aspmx3.googlemail.com

aspmx2.googlemail.com

alt1.aspmx.l.google.com

alt2.aspmx.l.google.com

+1 more

Domain Information

vhx.tv

Domain Age

15y 3m

Created

04.11.2010

Expires

04.11.2026

Last Updated

08.10.2025

Registrar

MarkMonitor, Inc.

DNSSEC

Not Enabled

Privacy & Compliance

Cookie Consent Banner

GDPR Indicators

Cookie consent banner detected

Data Protection Officer mentioned

Typography & Readability

Helvetica

51/100

Readability

/30

12/40

12px · LH 1.20

Hierarchy

/20

21/25

6x ratio

WCAG

/25

15/15

Contrast: undefined

Performance

/25

13/20

1 font

Heading Font

Helvetica

Sans72px

Body Font

Helvetica

Sans12px

Contrast Ratio

Reading Comfort

~34 CPL

Needs attention

72px

32px

72px

40px

12px

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

✅ Strong hierarchy: Headlines are 6.0x larger than body text.

✅ 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 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

24 Resources

Scripts

Styles

Async

Defer

Top Script Sources

f.vimeocdn.com(20)

Website Identity

Facebook X (Twitter)Instagram LinkedIn

Sponsored

Last analyzed: 19 Feb 2026 at 15:41

Historical Analysis & Change Tracking