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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szse.cn

https://szse.cn· First analyzed 19 Feb 2026· Updated 19 Feb 2026

Export

szse.cn

Sponsored

Hosting Provider

China Mobile Communications Corporation - shanghai company

IP Address

183.193.77.10

Server Location

🇨🇳 Shanghai, China

ASN

AS24400

Organization

China Mobile Communications Corporation - shanghai company

Server

Nginx

CDN

Nameservers

nsct.szse.cn.nsshcm.szse.cn.nscnc.szse.cn.nsct2.szse.cn.+3 more

Performance

Page Speed

6.7 MB

60 requests

0–49

50–89

90–100

Architecture Stack

Monolithic

⚙️ SSR

Infrastructure

Hosting

China Mobile Communications Corporation - shanghai company

CDN

Technology Stack

7 Technologies Detected

Libraries

Other

UI Components

Other

CSS Frameworks

Web Servers

SEO Analysis

F35/100

szse.cnszse.cn

深圳证券交易所-首页

深交所官网

Title Length10 chars

Recommended: 50-60 chars

Description Length5 chars

Recommended: 120-160 chars

Issues (2)

• Missing H1 tag - every page should have one H1
• Many images missing alt text (14/22)

8 issues found

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Security Score

0%Critical

No SSL

No WAF

N/A

Upgrade to view header details

HTTP Headers

Developer Console

accept-ranges

bytes

age

cache-control

🔴 No Cache(no-cache)

connection

keep-alive

content-encoding

📦 Gzip(gzip)

content-length

11803

Good Warning Issue

Email Infrastructure

Custom Mail Server

Score

SPF

DKIM

DMARC

MX Records (2)

mail2.szse.cn

mail.szse.cn

Domain Information

szse.cn

DNSSEC

Not Enabled

Typography & Readability

microsoft yahei + FZkai-Z03S

46/100

Readability

/30

40/40

22px · LH 1.43

Hierarchy

/20

8/25

WCAG

/25

5/15

Contrast: undefined

Performance

/25

13/20

2 fonts

Heading Font

microsoft yahei

Sans

Body Font

FZkai-Z03S

Sans22px

Contrast Ratio

Reading Comfort

Dual Sans-Serif

left aligned

42px

18px

22px

✅ Excellent readability: 22px body text is ideal for all devices.

✅ Optimal line spacing: 1.43 ratio ensures comfortable reading.

✅ Good performance: Using 2 font families keeps load times fast.

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

⚠️ Cramped layout: 16 elements lack adequate spacing.

⚠️ Inconsistent alignment: Mix of left/center/right creates visual noise.

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Business & Marketing Stack

1 Tools Detected

Growing

Behavior Analytics

Google AnalyticsFree

User behavior and product analytics

Sponsored

Scripts & Styles

26 Resources

Scripts

Styles

Async

Defer

Top Script Sources

res.static.szse.cn(17)szse.cn(2)res.szse.cn(1)

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Last analyzed: 19 Feb 2026 at 17:02

Historical Analysis & Change Tracking