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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ku.ac.th

https://ku.ac.th· First analyzed 19 Feb 2026· Updated 19 Feb 2026

Export

ku.ac.th

Sponsored

Hosting Provider

Kasetsart University

IP Address

158.108.216.5

Server Location

🇹🇭 Chatuchak, Thailand

ASN

AS9411

Organization

Kasetsart University

Nameservers

pns53.cloudns.net.pns54.cloudns.net.pns51.cloudns.net.ns2.ku.ac.th.+2 more

Performance

Page Speed

878 KB

18 requests

0–49

50–89

90–100

Architecture Stack

Monolithic

⚙️ SSR

Infrastructure

Hosting

Kasetsart University

Technology Stack

3 Technologies Detected

CSS Frameworks

Tailwind CSS

Icon Libraries

Font Awesome

Analytics

Microsoft Clarity

SEO Analysis

D47/100

ku.ac.thku.ac.th

มหาวิทยาลัยเกษตรศาสตร์

มหาวิทยาลัยเกษตรศาสตร์ สร้างสรรค์ศาสตร์แห่งแผ่นดินสู่สากลเพื่อพัฒนาประเทศอย่างยั่งยืน Kasetsart University is a public research university in Bangkok,...

Title Length22 chars

Recommended: 50-60 chars

Description Length153 chars

Recommended: 120-160 chars

Issues (1)

• Missing H1 tag - every page should have one H1

5 issues found

Upgrade to view details

Crawlability

Sitemap

Type: standard

933 URLs

robots.txt

Sponsored

A+

Security Score

100%Excellent

Static / Informational

HTTPS

No WAF

99d

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/1.1

Valid From

28.04.2025

Valid Until

29.05.2026

OCSP Stapling

Enabled

Subject Alternative Names (2)

*.ku.ac.thku.ac.th

SHA-256 Fingerprint

73:7F:B1:2A:6B:C0:A5:96:0A:C8:34:C7:3B:50:56:8D:27:67:D6:9A...

Upgrade to view header details

HTTP Headers

Developer Console

access-control-allow-origin

cache-control

🔴 No Cache(no-store, no-cache, must-revalidate)

connection

Upgrade, Keep-Alive

content-security-policy

object-src 'self'

content-type

text/html; charset=UTF-8

date

Thu, 19 Feb 2026 13:48:41 GMT

Good Warning Issue

Email Infrastructure

Custom Mail Server

Score

SPF

DKIM

DMARC

DMARC Policy

Quarantine (Moderate)

MX Records (2)

antispam2.ku.ac.th

mailgw.ku.ac.th

Domain Information

ku.ac.th

Domain Age

27y 1m

Created

16.01.1999

Expires

15.01.2027

Last Updated

10.06.2024

Registrar

T.H.NIC Co., Ltd.

DNSSEC

Not Enabled

Privacy & Compliance

Cookie Consent Banner

Typography & Readability

DB Ozone X

44/100

Readability

/30

30/40

16px · LH --

Hierarchy

/20

8/25

WCAG

/25

5/15

Contrast: undefined

Performance

/25

13/20

1 font

Heading Font

DB Ozone X

Body Font

DB Ozone X

Sans16px

Contrast Ratio

Reading Comfort

Single Family

center aligned

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

✅ Good performance: Using 1 font families keeps load times fast.

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

⚠️ Risky: Text appears on background images without overlay protection.

Buy on MyFonts

Business & Marketing Stack

2 Tools Detected

Growing

Behavior Analytics

Microsoft ClarityFree

Google AnalyticsFree

User behavior and product analytics

Sponsored

Scripts & Styles

6 Resources

Scripts

Styles

Async

Defer

Top Script Sources

clarity.ms(2)

Website Identity

Facebook X (Twitter)Instagram YouTube

Sponsored

Last analyzed: 19 Feb 2026 at 13:49

Historical Analysis & Change Tracking