cang.com
华夏收藏网是一家从事古玩收藏艺术品的在线交易鉴定拍卖一体的多元化收藏网站
Last scanned Jul 27, 2026, 1:43 PM · 1 view
Overall score
Fair
Summary
华夏收藏网是一家从事古玩古董艺术品收藏的在线交易鉴定拍卖一体的多元化收藏网站，18年收藏行业专营，300万用户信任的网站，包含拍卖、直播、鉴定估价、地摊��… This website uses Next.js hosted on ALIBABA-CN-NET - Hangzhou Alibaba Advertising Co.,Ltd., CN. SEO is fair (65/100) and accessibility is fair (70/100). Security scores fair (65/100) and performance fair (65/100). Top issue: Title longer than 60 characters.
华夏收藏网是一家从事古玩古董艺术品收藏的在线交易鉴定拍卖一体的多元化收藏网站，18年收藏行业专营，300万用户信任的网站，包含拍卖、直播、鉴定估价、地摊、古玩城等特色栏目，行家云集帮你鉴定估价，全平台承诺7天无理由退货，让您购物无忧。
- China
- Hosted on ALIBABA-CN-NET - Hangzhou Alibaba Advertising Co.,Ltd., CN
Top issues to fix
13 issues found · 3 high priority
Missing Strict-Transport-Security header
SecurityAdd HSTS so browsers always use HTTPS — this closes the protocol-downgrade attack window.
Missing Content-Security-Policy header
SecurityAdd a CSP to control which sources can run scripts — the strongest single defense against XSS.
Over half of images are missing alt text
AccessibilityAdd alt attributes to images — screen readers depend on them, and they help image SEO.
Missing X-Content-Type-Options header
SecurityAdd X-Content-Type-Options: nosniff to stop MIME-sniffing attacks.
Missing X-Frame-Options header
SecurityAdd X-Frame-Options (or a CSP frame-ancestors rule) to prevent clickjacking via hidden iframes.
2 cookies without Secure/HttpOnly flags
SecuritySet Secure and HttpOnly on session cookies so they can't leak over HTTP or be read by injected scripts.
+7 more issues — details in the sections below.
SEO
6 issue(s) found
Performance
502 ms
Security
HTTPS & header checks
Accessibility
1 issue(s) found
Organization
Company details published in this site's own structured data.
华夏收藏网是一家从事古玩古董艺术品收藏的在线交易鉴定拍卖一体的多元化收藏网站，18年收藏行业专营，300万用户信任的网站，包含拍卖、直播、鉴定估价、地摊、古玩城等特色栏目，行家云集帮你鉴定估价，全平台承诺7天无理由退货，让您购物无忧。
Contact
Email, phone, and address published on this site's own pages.
- ceo@cang.com
Meta tags
- Title
- 华夏收藏网是一家从事古玩收藏艺术品的在线交易鉴定拍卖一体的多元化收藏网站
- Description
- 华夏收藏网是一家从事古玩古董艺术品收藏的在线交易鉴定拍卖一体的多元化收藏网站，18年收藏行业专营，300万用户信任的网站，包含拍卖、直播、鉴定估价、地摊、古玩城等特色栏目，行家云集帮你鉴定估价，全平台承诺7天无理由退货，让您购物无忧。
- Canonical
- Language
- zh_CN
- Charset
- utf-8
- Viewport
- width=device-width,minimum-scale=1,initial-scale=1
- Robots meta
- Manifest
Technologies
Detected frameworks, languages, and tools.
Hosting & CDN
- Hosting provider
- ALIBABA-CN-NET - Hangzhou Alibaba Advertising Co.,Ltd., CN
- CDN provider
- —
- IP address
- 47.111.187.94
- ASN
- AS37963 (ALIBABA-CN-NET - Hangzhou Alibaba Advertising Co.,Ltd., CN)
DNS records
| Type | Value |
|---|---|
| A |
|
| AAAA | — |
| MX | — |
| TXT | — |
| NS | — |
| CAA | — |
| CNAME | — |
| IPv6 support | No |
TLS / SSL certificate
- Version
- TLS 1.2
- Issuer
- Beijing Xinchacha Credit Management Co., Ltd.
- Subject
- *.cang.com
- Valid from
- Jan 26, 2026
- Valid to
- Jan 26, 2027
- Days until expiry
- 182
- SAN domains
- *.cang.com, cang.com
Security headers
- Strict-Transport-SecurityMissing
- Content-Security-PolicyMissing
- X-Frame-OptionsMissing
- X-Content-Type-OptionsMissing
- Referrer-PolicyMissing
- Permissions-PolicyMissing
Compression: gzip · 2 cookie(s) observed
Content & assets
Headings
H1 1 · H2 0 · H3 5
Links
134 internal · 12 external · 9 broken
Images
27 total · 22 missing alt
Scripts / Styles
11 scripts · 4 stylesheets
JS / CSS size
2.1 MB · 1.2 MB
Page size
304 KB
Robots.txt & Sitemap
- robots.txt
- Found
- Disallow rules
- 41
- sitemap.xml
- Not found
- URLs in sitemap
- 0
SEO issues
- Title longer than 60 characters
- Meta description longer than 160 characters
- Missing canonical link
- No structured data (JSON-LD) found
- Missing OpenGraph tags
- sitemap.xml not found
Accessibility issues
- Over half of images are missing alt text
Scan details
- Requested URL
- https://cang.com
- Final URL
- https://www.cang.com
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 496 ms
- HTML size
- 304 KB
- Redirect chain
- https://cang.com → https://www.cang.com
See something wrong on this report? Request a correction
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Frequently asked questions
- What technology does cang.com use?
- cang.com is built with Next.js, Django.
- Is cang.com secure (HTTPS)?
- Yes. cang.com uses TLS 1.2 with a certificate issued by Beijing Xinchacha Credit Management Co., Ltd., valid until Jan 26, 2027.
- Who hosts cang.com?
- cang.com is hosted on ALIBABA-CN-NET - Hangzhou Alibaba Advertising Co.,Ltd., CN.
- What is cang.com's SEO score?
- cang.com scored 65/100 for SEO in the latest analysis (fair).
- What is cang.com's overall website score?
- cang.com has an overall SiteGraph score of 66/100, combining SEO, performance, security, and accessibility.
OpenGraph & Twitter Card
OpenGraph
Twitter Card