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SGSiteGraph

xuehai.net

学海网_专业教育资源分享平台

Last scanned Jul 26, 2026, 5:47 AM · 2 views

68

Overall score

Fair

Summary

学海网提供各专业论文、毕业设计、课件、教案、试卷、素材、教学软件等及其他职业与高等教育相关资源下载，是国内最大的高校教学资源交流共享平台. This website is hosted on TENCENT-NET-AP-CN - Tencent Building, Kejizhongyi Avenue, CN. SEO is good (75/100) and accessibility is good (85/100). Security scores poor (25/100) and performance excellent (90/100). Top issue: Meta description longer than 160 characters.

学海网提供各专业论文、毕业设计、课件、教案、试卷、素材、教学软件等及其他职业与高等教育相关资源下载，是国内最大的高校教学资源交流共享平台

Singapore
Hosted on TENCENT-NET-AP-CN - Tencent Building, Kejizhongyi Avenue, CN

Top issues to fix

12 issues found · 3 high priority

  • Missing Strict-Transport-Security header

    Security

    Add HSTS so browsers always use HTTPS — this closes the protocol-downgrade attack window.

  • Missing Content-Security-Policy header

    Security

    Add a CSP to control which sources can run scripts — the strongest single defense against XSS.

  • Missing viewport meta tag

    Accessibility

    Add <meta name="viewport" content="width=device-width, initial-scale=1"> — without it the site is broken on mobile.

  • Missing X-Content-Type-Options header

    Security

    Add X-Content-Type-Options: nosniff to stop MIME-sniffing attacks.

  • Missing X-Frame-Options header

    Security

    Add X-Frame-Options (or a CSP frame-ancestors rule) to prevent clickjacking via hidden iframes.

  • 1 cookie without Secure/HttpOnly flags

    Security

    Set Secure and HttpOnly on session cookies so they can't leak over HTTP or be read by injected scripts.

+6 more issues — details in the sections below.

75

SEO

4 issue(s) found

90

Performance

2.00 s

25

Security

HTTPS & header checks

85

Accessibility

2 issue(s) found

Not enough scan history yet to show a trend — check back after this site has been re-scanned a few more times.

Organization

Company details published in this site's own structured data.

学海网提供各专业论文、毕业设计、课件、教案、试卷、素材、教学软件等及其他职业与高等教育相关资源下载，是国内最大的高校教学资源交流共享平台

Contact

Email, phone, and address published on this site's own pages.

Source: https://www.xuehai.net/about/contact.htm

Meta tags

Title
学海网_专业教育资源分享平台
Description
学海网提供各专业论文、毕业设计、课件、教案、试卷、素材、教学软件等及其他职业与高等教育相关资源下载，是国内最大的高校教学资源交流共享平台
Canonical
Language
Charset
utf-8
Viewport
Robots meta
Manifest

OpenGraph & Twitter Card

OpenGraph

og:title
—
og:description
—
og:type
—
og:url
—

Twitter Card

twitter:card
—
twitter:title
—
twitter:description
—

Technologies

Detected frameworks, languages, and tools.

No technologies detected.

Hosting & CDN

CDN provider
—
IP address
43.161.215.90
ASN
AS132203 (TENCENT-NET-AP-CN - Tencent Building, Kejizhongyi Avenue, CN)

DNS records

TypeValue
A
  • 43.161.215.90
AAAA—
MX—
TXT—
NS—
CAA—
CNAME—
IPv6 supportNo

TLS / SSL certificate

Version
TLS 1.2
Issuer
Let's Encrypt
Subject
www.xuehai.net
Valid from
Jul 17, 2026
Valid to
Oct 15, 2026
Days until expiry
78
SAN domains
www.xuehai.net

Security headers

  • Strict-Transport-SecurityMissing
  • Content-Security-PolicyMissing
  • X-Frame-OptionsMissing
  • X-Content-Type-OptionsMissing
  • Referrer-PolicyMissing
  • Permissions-PolicyMissing

Compression: gzip · 1 cookie(s) observed

Content & assets

Headings

H1 1 · H2 0 · H3 0

Links

331 internal · 4 external · 16 broken

Images

1 total · 0 missing alt

Scripts / Styles

4 scripts · 1 stylesheets

JS / CSS size

17.4 KB · 29.0 KB

Page size

76.9 KB

Robots.txt & Sitemap

robots.txt
Found
Disallow rules
1
sitemap.xml
Found
URLs in sitemap
-1

SEO issues

  • Meta description longer than 160 characters
  • Missing canonical link
  • No structured data (JSON-LD) found
  • Missing OpenGraph tags

Accessibility issues

  • Missing <html lang> attribute
  • Missing viewport meta tag

Scan details

Requested URL
https://xuehai.net
Final URL
https://www.xuehai.net/
HTTP status
200
HTTP version
HTTP/2
Response time
1.99 s
HTML size
76.9 KB
Redirect chain
https://xuehai.net → http://www.xuehai.net/ → https://www.xuehai.net/

See something wrong on this report? Request a correction

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Frequently asked questions

What technology does xuehai.net use?
We did not detect any specific technologies for xuehai.net in the latest scan.
Is xuehai.net secure (HTTPS)?
Yes. xuehai.net uses TLS 1.2 with a certificate issued by Let's Encrypt, valid until Oct 15, 2026.
Who hosts xuehai.net?
xuehai.net is hosted on TENCENT-NET-AP-CN - Tencent Building, Kejizhongyi Avenue, CN.
What is xuehai.net's SEO score?
xuehai.net scored 75/100 for SEO in the latest analysis (fair).
What is xuehai.net's overall website score?
xuehai.net has an overall SiteGraph score of 68/100, combining SEO, performance, security, and accessibility.