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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unibas.ch

https://unibas.ch· First analyzed 14 Feb 2026· Updated 14 Feb 2026

Export

unibas.ch

$Desktop screenshot of unibas.ch$

$Mobile screenshot of unibas.ch$

Mobile

Sponsored

Hosting Provider

Universitaet Basel

IP Address

131.152.215.57

Server Location

🇨🇭 Basel, Switzerland

ASN

AS559

Organization

Universitaet Basel

Nameservers

scsnms.switch.ch.ns2-ext.unibas.ch.ns1-ext.unibas.ch.

Performance

Page Speed

5.8 MB

52 requests

Image Optimization

Lazy LoadWebP

0–49

50–89

90–100

Architecture Stack

Monolithic

⚙️ SSR

Infrastructure

Hosting

Universitaet Basel

Technology Stack

4 Technologies Detected

Meta Frameworks

Libraries

CSS Frameworks

Analytics

SEO Analysis

A88/100

unibas.chunibas.ch

Universität Basel | Universität Basel

Die Universität Basel ist die älteste Hochschule der Schweiz. Als forschungsstarke Universität bietet sie Studierenden ein attraktives Bildung...

Title Length37 chars

Recommended: 50-60 chars

Description Length145 chars

Recommended: 120-160 chars

Issues (0)

1 issues found

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Crawlability

Sitemap

Type: standard

robots.txt

4 rules

Sitemap reference found

Allows all crawlers

Sponsored

Security Score

61%Fair

Interactive

HTTPS

No WAF

82d

Certificate Details

Type

Domain Validated (DV)

Certificate Authority

Let's Encrypt

Key Algorithm

ECDSA (secp384r1) (384 bit)

Signature

ECDSA with SHA-384

TLS Version

TLSv1.3

HTTP Protocol

HTTP/2

Valid From

07.02.2026

Valid Until

08.05.2026

Subject Alternative Names (3)

qm.unibas.chunibas.chwww.unibas.ch

SHA-256 Fingerprint

7E:6B:60:1D:9D:A6:96:3C:A2:66:7C:D5:D0:19:C5:EB:EA:1C:DC:8C...

Top Recommendations

Security recommendation preview

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HTTP Headers

Developer Console

cache-control

🔴 No Cache(no-cache, no-store, must-revalidate, max-age=0)

content-encoding

📦 Gzip(gzip)

content-type

text/html;charset=UTF-8

date

Sat, 14 Feb 2026 09:02:00 GMT

expires

Thu, 01 Jan 1970 00:00:00 GMT

pragma

no-cache

Good Warning Issue

Email Infrastructure

Microsoft 365

Score

SPF

DKIM

DMARC

DMARC Policy

None (Monitor Only)

MX Records (1)

unibas-ch.mail.protection.outlook.com

Domain Information

unibas.ch

DNSSEC

Not Enabled

Privacy & Compliance

Cookiebot

Cookie Consent Banner

Cookiebot

GDPR Indicators

Cookie consent banner detected

CMP: Cookiebot

Legitimate interest basis mentioned

Typography & Readability

PTSerif + sans-serif

70/100

Readability

/30

32/40

15px · LH 1.60

Hierarchy

/20

16/25

1.73x ratio

WCAG

/25

15/15

Contrast: undefined

Performance

/25

17/20

System fonts

Heading Font

PTSerif

Serif26px

Body Font

sans-serif

Sans15px

Contrast Ratio

Reading Comfort

~35 CPL

Needs attention

26px

21px

15px

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

✅ Optimal line spacing: 1.60 ratio ensures comfortable reading.

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

✅ Excellent performance: System fonts eliminate font loading delays (better LCP).

✅ Smart font loading: Using font-display: swap prevents invisible text during load.

⚠️ Cramped layout: 12 elements lack adequate spacing.

Buy on MyFonts

Business & Marketing Stack

3 Tools Detected

Advanced

Behavior Analytics

Google Tag ManagerFree

Google AnalyticsFree

User behavior and product analytics

Privacy & Cookies

CookiebotMid-Market

Cookie consent and privacy compliance tools

Sponsored

Scripts & Styles

9 Resources

Scripts

Styles

Async

Defer

Top Script Sources

local(3)consent.cookiebot.com(2)consentcdn.cookiebot.com(1)code.jquery.com(1)

Website Identity

Facebook X (Twitter)Instagram YouTube Bluesky

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Last analyzed: 14 Feb 2026 at 09:03

Historical Analysis & Change Tracking