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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32.cn

https://32.cn· First analyzed 17 Feb 2026· Updated 17 Feb 2026

Export

32.cn

Sponsored

Hosting Provider

Zhejiang zhi cloud information technology co., LTD

IP Address

43.241.16.209

Server Location

🇨🇳 Wenzhou, China

ASN

AS4837

Organization

Zhejiang zhi cloud information technology co., LTD

Server

Nginx

CDN

Nameservers

ns1.22.cn.ns2.22.cn.

Performance

Page Speed

194 KB

72 requests

Image Optimization

Lazy Load

0–49

50–89

90–100

Architecture Stack

Hybrid

⚙️ SSR

Frontend

Framework

Nuxt.js

Infrastructure

Hosting

Zhejiang zhi cloud information technology co., LTD

CDN

Technology Stack

3 Technologies Detected

Meta Frameworks

Nuxt.js

CSS Frameworks

Tailwind CSS

Web Servers

Nginx

SEO Analysis

F35/100

32.cn32.cn

商标注册-商标查询-商标转让-版权登记-32.cn知协网

知协32.cn是专注于商标领域的知识产权协同服务平台,为企业和个人提供专业的商标注册申请、商标注册查询、商标出售转让、商标交易买卖等多种商标服务。商标注册只要300元,最快1分钟完成商标申报！

Title Length28 chars

Recommended: 50-60 chars

Description Length96 chars

Recommended: 120-160 chars

Issues (1)

• Missing H1 tag - every page should have one H1

8 issues found

Upgrade to view details

Crawlability

Sitemap

Type: standard

90 URLs

robots.txt

25 rules

Sitemap reference found

Sponsored

Security Score

0%Critical

Interactive

No SSL

No WAF

nulld

Top Recommendations

Security recommendation preview

Upgrade to view recommendations

Upgrade to view header details

HTTP Headers

Developer Console

accept-ranges

bytes

cache-control

🔴 No Cache(public, max-age=0, no-cache)

connection

keep-alive

content-encoding

📦 Gzip(gzip)

content-type

text/html; charset=UTF-8

date

Tue, 17 Feb 2026 08:09:52 GMT

Good Warning Issue

Email Infrastructure

Custom Mail Server

Score

SPF

DKIM

DMARC

DMARC Policy

Quarantine (Moderate)

MX Records (2)

mxbiz2.qq.com

mxbiz1.qq.com

Domain Information

32.cn

DNSSEC

Not Enabled

Typography & Readability

Microsoft Yahei

44/100

Readability

/30

20/40

12px · LH 1.67

Hierarchy

/20

8/25

WCAG

/25

15/15

Contrast: undefined

Performance

/25

13/20

1 font

Heading Font

Microsoft Yahei

Body Font

Microsoft Yahei

Sans12px

Contrast Ratio

Reading Comfort

~88 CPL

Needs attention

12px

❌ Critical: 12px body text is too small. Increase to at least 14px.

✅ Optimal line spacing: 1.67 ratio ensures comfortable reading.

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

✅ Protected text on images: Using gradient for readability.

⚠️ Wide lines: ~88 chars/line. Consider max-width for better reading flow.

⚠️ Cramped layout: 24 elements lack adequate spacing.

Buy on MyFonts

Business & Marketing Stack

1 Tools Detected

Growing

Behavior Analytics

Google AnalyticsFree

User behavior and product analytics

Sponsored

Scripts & Styles

22 Resources

Scripts

Styles

Async

Defer

Top Script Sources

cdn.32.cn(18)at.alicdn.com(1)local(1)

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Last analyzed: 17 Feb 2026 at 08:10

Historical Analysis & Change Tracking