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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ivoox.com

https://ivoox.com· First analyzed 13 Feb 2026· Updated 13 Feb 2026

Export

ivoox.com

Mobile

Sponsored

Hosting Provider

ICM Netsystems 2005 SL

IP Address

77.73.84.18

Server Location

🇪🇸 L'Hospitalet de Llobregat, Spain

ASN

AS197876

Organization

ICM Netsystems 2005 SL

Server

Nginx

Nameservers

ns-1112.awsdns-11.org.ns-148.awsdns-18.com.ns-2041.awsdns-63.co.uk.

Performance

Page Speed

96 requests

Image Optimization

Lazy LoadWebPResponsive

0–49

50–89

90–100

Architecture Stack

Hybrid

⚙️ SSR

Frontend

Framework

Nuxt.js

Styling

Tailwind CSS

CMS

WordPress

Infrastructure

Hosting

ICM Netsystems 2005 SL

Technology Stack

8 Technologies Detected

Meta Frameworks

Analytics

CSS Frameworks

Icon Libraries

Customer Support

Web Servers

SEO Analysis

B72/100

ivoox.comivoox.com

The leading podcast platform in Spanish - iVoox

Enjoy thousands of podcasts, audiobooks and radio stations in the biggest audio catalog in Spanish. Listen for free wherever and whenever you want on iVoox!

Title Length47 chars

Recommended: 50-60 chars

Description Length156 chars

Recommended: 120-160 chars

Issues (1)

• Missing H1 tag - every page should have one H1

3 issues found

Upgrade to view details

Crawlability

Sitemap

Type: index

2,429 URLs

robots.txt

45 rules

Sitemap reference found

Sponsored

Security Score

51%Poor

Interactive

HTTPS

No WAF

11d

Certificate Details

Type

Domain Validated (DV)

Certificate Authority

Sectigo Limited

Key Algorithm

RSA (2048 bit)

Signature

SHA-256 with RSA

TLS Version

TLSv1.3

HTTP Protocol

HTTP/2

Valid From

05.02.2025

Valid Until

24.02.2026

OCSP Stapling

Enabled

Subject Alternative Names (2)

*.ivoox.comivoox.com

SHA-256 Fingerprint

E0:78:3D:C2:EF:E7:F4:46:CA:0C:AE:8B:1D:D0:6E:B2:D1:B9:65:EA...

Top Recommendations

Security recommendation preview

Upgrade to view recommendations

Upgrade to view header details

HTTP Headers

Developer Console

cache-control

🟡 0s(max-age=0, stale-while-revalidate=3600)

content-encoding

📦 Gzip(gzip)

content-security-policy

frame-ancestors 'none'

content-type

text/html; charset=utf-8

date

Fri, 13 Feb 2026 10:05:46 GMT

etag

W/"51913-ScwSqzHfVvFfO41pIrCgPss6YMo"

Good Warning Issue

Email Infrastructure

Google Workspace

Score

SPF

DKIM

DMARC

DMARC Policy

None (Monitor Only)

MX Records (5)

aspmx3.googlemail.com

aspmx.l.google.com

aspmx2.googlemail.com

alt1.aspmx.l.google.com

+1 more

Domain Information

ivoox.com

Domain Age

18 years

Created

06.02.2008

Expires

06.02.2034

Last Updated

09.02.2024

Registrar

Nominalia Internet SL

DNSSEC

Not Enabled

Privacy & Compliance

Didomi

Cookie Consent Banner

Didomi

GDPR Indicators

Cookie consent banner detected

CMP: Didomi

Typography & Readability

Bounded + Helvetica Neue

71/100

Readability

/30

32/40

15px · LH 1.49

Hierarchy

/20

16/25

1.87x ratio

WCAG

/25

15/15

Contrast: undefined

Performance

/25

13/20

2 fonts

Heading Font

Bounded

Sans28px

Body Font

Helvetica Neue

Sans15px

Contrast Ratio

Reading Comfort

~47 CPL

Optimal (45–75)

28px

20px

15px

⚠️ Small text: 15px may be hard to read on mobile. Consider 16px+.

✅ Optimal line spacing: 1.49 ratio ensures comfortable reading.

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

✅ Good performance: Using 2 font families keeps load times fast.

✅ Optimal line length: ~47 characters per line is comfortable to read.

⚠️ Cramped layout: 12 elements lack adequate spacing.

Buy on MyFonts

Business & Marketing Stack

3 Tools Detected

Advanced

Behavior Analytics

Google AnalyticsFree

Google Tag ManagerFree

User behavior and product analytics

Privacy & Cookies

Quantcast ChoiceMid-Market

Cookie consent and privacy compliance tools

Sponsored

Scripts & Styles

29 Resources

Scripts

Styles

Async

Defer

Top Script Sources

static-nweb.ivoox.com(16)sdk.privacy-center.org(2)google-analytics.com(1)googletagmanager.com(1)

Website Identity

Facebook X (Twitter)Instagram YouTube TikTok

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Last analyzed: 13 Feb 2026 at 10:05

Historical Analysis & Change Tracking