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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hao123.com

https://hao123.com· First analyzed 15 Feb 2026· Updated 15 Feb 2026

Export

hao123.com

Mobile

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Hosting Provider

Chinanet HE

IP Address

124.237.176.248

Server Location

🇨🇳 Shijiazhuang, China

ASN

AS4134

Organization

Chinanet HE

Server

JSP3/2.0.14

Nameservers

ns1.baidu.com.ns2.baidu.com.ns3.baidu.com.ns4.baidu.com.+2 more

Performance

Page Speed

176 KB

205 requests

Image Optimization

Lazy Load

0–49

50–89

90–100

Architecture Stack

Monolithic

⚙️ SSR

Infrastructure

Hosting

Chinanet HE

Technology Stack

5 Technologies Detected

Frameworks

Libraries

CSS Frameworks

Icon Libraries

Customer Support

SEO Analysis

F23/100

hao123.comhao123.com

hao123_上网从这里开始

hao123是汇集全网优质网址及资源的中文上网导航。及时收录影视、音乐、小说、游戏等分类的网址和内容，让您的网络生活更简单精彩。上网，从hao123开始。

Title Length14 chars

Recommended: 50-60 chars

Description Length77 chars

Recommended: 120-160 chars

Issues (3)

• Missing H1 tag - every page should have one H1
• Many images missing alt text (39/44)
• Missing viewport meta tag - page may not be mobile-friendly

9 issues found

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Crawlability

Sitemap

robots.txt

32 rules

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Security Score

0%Critical

Critical / Transactional

HTTPS

No WAF

175d

Certificate Details

Type

Organization Validated (OV)

Certificate Authority

GlobalSign nv-sa

Key Algorithm

RSA (2048 bit)

Signature

SHA-256 with RSA

TLS Version

TLSv1.2

Valid From

09.07.2025

Valid Until

10.08.2026

OCSP Stapling

Enabled

Subject Alternative Names (20)

baidu.combaifubao.comwww.baidu.cnwww.baidu.com.cnmct.y.nuomi.comapollo.autodwz.cn*.baidu.com+12 more

SHA-256 Fingerprint

0D:82:2C:9A:90:5A:EF:E9:8F:37:12:C0:E0:26:30:EE:95:33:2C:45...

Top Recommendations

Security recommendation preview

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HTTP Headers

Developer Console

accept-ranges

bytes

age

199826

content-length

content-md5

CfLpWhZzWi1hYb4zPNBY1A==

content-type

text/html

date

Sun, 15 Feb 2026 09:50:56 GMT

Good Warning Issue

Email Infrastructure

Custom Mail Server

Score

SPF

DKIM

DMARC

Domain Information

hao123.com

Domain Age

25y 3m

Created

15.11.2000

Expires

15.11.2028

Last Updated

18.03.2025

Registrar

MarkMonitor Information Technology (Shanghai) Co., Ltd.

DNSSEC

Not Enabled

Typography & Readability

PingFang SC

48/100

Readability

/30

17/40

14px · LH 1.00

Hierarchy

/20

8/25

WCAG

/25

15/15

Contrast: undefined

Performance

/25

13/20

1 font

Heading Font

PingFang SC

Sans

Body Font

PingFang SC

Sans14px

Contrast Ratio

Reading Comfort

Single Font Family

left aligned

16px

14px

⚠️ Small text: 14px may be hard to read on mobile. Consider 16px+.

⚠️ Tight line spacing (1.00). Consider 1.4-1.6 for better readability.

✅ Good performance: Using 1 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: 43 elements lack adequate spacing.

Buy on MyFonts

Business & Marketing Stack

1 Tools Detected

Growing

Behavior Analytics

Google AnalyticsFree

User behavior and product analytics

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Scripts & Styles

12 Resources

Scripts

Styles

Async

Defer

Top Script Sources

hao123-static.cdn.bcebos.com(4)as1.m.hao123.com(2)code.bdstatic.com(2)cpro.baidustatic.com(1)hmcdn.baidu.com(1)

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Last analyzed: 15 Feb 2026 at 09:52

Historical Analysis & Change Tracking