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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wanfangdata.com.cn

https://wanfangdata.com.cn· First analyzed 15 Feb 2026· Updated 15 Feb 2026

Export

wanfangdata.com.cn

Mobile

Sponsored

Hosting Provider

Qishangonline

IP Address

122.115.55.103

Server Location

🇨🇳 Jinrongjie, China

ASN

AS4808

Organization

Qishangonline

Server

Envoy

Nameservers

cl2.sfndns.com.cl2.sfndns.cn.cl1.sfndns.cn.vip2.sfndns.cn.+2 more

Performance

Page Speed

667 KB

61 requests

Image Optimization

Responsive

0–49

50–89

90–100

Architecture Stack

Monolithic

⚙️ SSR

Infrastructure

Hosting

Qishangonline

Technology Stack

3 Technologies Detected

Libraries

jQueryv3.7.1

CSS Frameworks

Tailwind CSS

Customer Support

Zendesk

SEO Analysis

D47/100

wanfangdata.com.cnwanfangdata.com.cn

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Description truncated.

Title Length24 chars

Recommended: 50-60 chars

Description Length221 chars

Recommended: 120-160 chars

Issues (1)

• Many images missing alt text (33/34)

7 issues found

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Security Score

21%Critical

Interactive

HTTPS

No WAF

54d

Certificate Details

Type

Organization Validated (OV)

Certificate Authority

DigiCert, Inc.

Key Algorithm

RSA (2048 bit)

Signature

SHA-256 with RSA

TLS Version

TLSv1.3

HTTP Protocol

HTTP/2

Valid From

10.03.2025

Valid Until

10.04.2026

OCSP Stapling

Enabled

Subject Alternative Names (2)

*.wanfangdata.com.cnwanfangdata.com.cn

SHA-256 Fingerprint

95:40:8E:4B:5E:C2:F6:8B:84:D0:88:8F:1A:8A:5C:B7:99:D7:1C:1D...

Top Recommendations

Security recommendation preview

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HTTP Headers

Developer Console

content-type

text/html;charset=UTF-8

date

Sun, 15 Feb 2026 06:37:45 GMT

origin-agent-cluster

server

istio-envoy

x-envoy-upstream-service-time

Good Warning Issue

Email Infrastructure

Custom Mail Server

Score

SPF

DKIM

DMARC

MX Records (3)

smtp2.wanfangdata.com.cn

mail.wanfangdata.com.cn

smtp1.wanfangdata.com.cn

Domain Information

wanfangdata.com.cn

DNSSEC

Not Enabled

Typography & Readability

微软雅黑

76/100

Readability

/30

30/40

16px · LH --

Hierarchy

/20

25/25

2x ratio

WCAG

/25

15/15

Contrast: undefined

Performance

/25

13/20

2 fonts

Heading Font

微软雅黑

Sans32px

Body Font

微软雅黑

Sans16px

Contrast Ratio

Reading Comfort

Single Font Family

left aligned

32px

16px

22px

16px

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

✅ Strong hierarchy: Headlines are 2.0x larger than body text.

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

✅ Consistent design: Single font family with weight variations is a modern best practice.

✅ Protected text on images: Using gradient for readability.

⚠️ Cramped layout: 39 elements lack adequate spacing.

Buy on MyFonts

Business & Marketing Stack

2 Tools Detected

Growing

Behavior Analytics

Matomo (Piwik)Mid-Market

Google AnalyticsFree

User behavior and product analytics

Sponsored

Scripts & Styles

16 Resources

Scripts

Styles

Async

Defer

Top Script Sources

cdn.w.wanfangdata.com.cn(7)hmcdn.baidu.com(1)c.cnzz.com(1)hm.baidu.com(1)v1.cnzz.com(1)

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Last analyzed: 15 Feb 2026 at 06:38

Historical Analysis & Change Tracking