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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agenziaentrate.gov.it

https://agenziaentrate.gov.it· First analyzed 16 Feb 2026· Updated 16 Feb 2026

Export

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Hosting Provider

Akamai International BV

IP Address

2.22.248.16

Server Location

🇮🇹 Milan, Italy

ASN

AS20940

Nameservers

ammi2.finanze.it.ammi3.finanze.it.ammi6.finanze.it.ammi5.finanze.it.+2 more

Performance

Page Speed

7.2 MB

79 requests

0–49

50–89

90–100

Architecture Stack

Monolithic

⚙️ SSR

Frontend

Framework

jQuery

Styling

Bootstrap

Infrastructure

Hosting

Akamai International BV

Technology Stack

4 Technologies Detected

Frameworks

Libraries

CSS Frameworks

Analytics

SEO Analysis

D58/100

agenziaentrate.gov.itagenziaentrate.gov.it

Due Agenzie al servizio del Paese - Portale Agenzia Entrate

Due Agenzie al servizio del Paese - Agenzia Entrate e Agenzia Entrate Riscossione

Title Length59 chars

Recommended: 50-60 chars

Description Length81 chars

Recommended: 120-160 chars

Issues (1)

• Many images missing alt text (11/13)

5 issues found

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Security Score

56%Poor

Interactive

HTTPS

No WAF

83d

Certificate Details

Type

Domain Validated (DV)

Certificate Authority

Let's Encrypt

Key Algorithm

RSA (2048 bit)

Signature

SHA-256 with RSA

TLS Version

TLSv1.3

HTTP Protocol

HTTP/2

Valid From

10.02.2026

Valid Until

11.05.2026

Subject Alternative Names (6)

agenziaentrate.gov.itagenziaentrate.itwww.agenziaentrate.gov.itwww.agenziaentrate.itwww.territorioitalia.agenziaentrate.gov.itwww.territorioitalia.agenziaentrate.it

SHA-256 Fingerprint

F0:64:F8:DC:DF:1B:F5:1F:46:41:8F:34:79:22:FB:53:B2:A2:D7:F2...

Top Recommendations

Security recommendation preview

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HTTP Headers

Developer Console

cache-control

🟡 300s(private, must-revalidate, max-age=300)

content-encoding

📦 Gzip(gzip)

content-length

17859

content-type

text/html;charset=UTF-8

date

Mon, 16 Feb 2026 19:03:39 GMT

expires

Mon, 16 Feb 2026 19:08:39 GMT

Good Warning Issue

Email Infrastructure

Custom Mail Server

Score

100

SPF

DKIM

DMARC

DMARC Policy

Reject (Strictest)

MX Records (2)

wrkstmlr02.finanze.it

wrkstmlr01.finanze.it

Domain Information

agenziaentrate.gov.it

DNSSEC

Not Enabled

Privacy & Compliance

Cookie Consent Banner

GDPR Indicators

Data Protection Officer mentioned

Typography & Readability

Titillium Web

88/100

Readability

/30

40/40

16px · LH 1.50

Hierarchy

/20

25/25

3.5x ratio

WCAG

/25

15/15

Contrast: undefined

Performance

/25

13/20

1 font

Heading Font

Titillium Web

Sans56px

Body Font

Titillium Web

Sans16px

Contrast Ratio

Reading Comfort

Single Font Family

left aligned

56px

40px

✅ Excellent readability: 16px body text is ideal for all devices.

✅ Optimal line spacing: 1.50 ratio ensures comfortable reading.

✅ Strong hierarchy: Headlines are 3.5x 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.

✅ Protected text on images: Using gradient for readability.

Buy on MyFonts

Business & Marketing Stack

2 Tools Detected

Growing

Behavior Analytics

Matomo (Piwik)Mid-Market

Google AnalyticsFree

User behavior and product analytics

Sponsored

Scripts & Styles

23 Resources

Scripts

Styles

Async

Defer

Top Script Sources

local(8)agenziaentrate.gov.it(4)aews-analytics.sogei.it(2)

Website Identity

agenziaentrate.gov.it

Social Profiles

Facebook X (Twitter)Instagram LinkedIn YouTube

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Last analyzed: 16 Feb 2026 at 19:03

Historical Analysis & Change Tracking