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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ua.pt

https://ua.pt· First analyzed 19 Feb 2026· Updated 19 Feb 2026

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ua.pt

Sponsored

Hosting Provider

Fundacao para a Ciencia e a Tecnologia, I.P.

IP Address

193.136.173.58

Server Location

🇵🇹 Lisbon, Portugal

ASN

AS1930

Server

Nginx

Nameservers

ns.ua.pt.ns2.ua.pt.

Performance

Page Speed

42 KB

1 requests

0–49

50–89

90–100

Architecture Stack

Monolithic

⚙️ SSR

Infrastructure

Hosting

Fundacao para a Ciencia e a Tecnologia, I.P.

Progressive Web App

Web ManifestApple Touch IconTheme Color

Technology Stack

8 Technologies Detected

CSS Frameworks

Analytics

UI Components

Icon Libraries

Fonts

Web Servers

SEO Analysis

D52/100

ua.ptua.pt

Universidade de Aveiro - Universidade de Aveiro

Página inicial da Universidade de Aveiro

Title Length48 chars

Recommended: 50-60 chars

Description Length40 chars

Recommended: 120-160 chars

Issues (0)

3 issues found

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Crawlability

Sitemap

Type: standard

22,991 URLs

robots.txt

5 rules

Sitemap reference found

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A+

Security Score

91%Excellent

Static / Informational

HTTPS

No WAF

286d

Certificate Details

Type

Organization Validated (OV)

Certificate Authority

Hellenic Academic and Research Institutions CA

Key Algorithm

ECDSA (secp256r1) (256 bit)

Signature

ECDSA with SHA-384

TLS Version

TLSv1.2

HTTP Protocol

HTTP/2

Valid From

03.12.2025

Valid Until

03.12.2026

OCSP Stapling

Enabled

Subject Alternative Names (2)

www.ua.ptua.pt

SHA-256 Fingerprint

BC:C8:88:3E:65:CD:B5:02:85:42:AC:41:A3:0D:4A:B6:F6:EF:F5:94...

Recommendations

Security recommendation preview

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HTTP Headers

Developer Console

server

nginx

date

Thu, 19 Feb 2026 20:39:05 GMT

content-type

text/html; charset=utf-8

transfer-encoding

chunked

connection

keep-alive

etag

W/"aa51-9JpVfOdBOLRZ75NLmpOE1dVXtNQ"

Good Warning Issue

Email Infrastructure

Custom Mail Server

Score

SPF

DKIM

DMARC

MX Records (2)

mx1.ua.pt

mx3.ua.pt

Domain Information

ua.pt

DNSSEC

Not Enabled

Privacy & Compliance

OneTrust

Cookie Consent Banner

OneTrust

GDPR Indicators

Cookie consent banner detected

CMP: OneTrust

Typography & Readability

Roboto + Playfair Display

Heading Font

Roboto

Body Font

Playfair Display

Contrast Ratio

Reading Comfort

Mixed Pairing

16px

GGoogle Fonts

Business & Marketing Stack

2 Tools Detected

Advanced

Behavior Analytics

Google AnalyticsFree

User behavior and product analytics

Privacy & Cookies

OneTrustEnterprise

Cookie consent and privacy compliance tools

Sponsored

Scripts & Styles

14 Resources

Scripts

Styles

Async

Defer

Top Script Sources

cdn.cookielaw.org(2)local(1)unpkg.com(1)googletagmanager.com(1)

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Last analyzed: 19 Feb 2026 at 20:39

Historical Analysis & Change Tracking