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SGSiteGraph

china-ef.com

网站维护中

Last scanned Jul 26, 2026, 3:19 PM · 2 views

79

Overall score

Fair

Summary

网站维护中. This website uses Nginx. SEO is fair (70/100) and accessibility is excellent (100/100). Security scores fair (50/100) and performance excellent (100/100). Top issue: Missing canonical link.

网站维护中

Top issues to fix

6 issues found · 1 high priority

  • Missing Content-Security-Policy header

    Security

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

  • Missing canonical link

    SEO

    Add <link rel="canonical"> so search engines know which URL variant to index.

  • No structured data (JSON-LD) found

    SEO

    Add JSON-LD (Organization, Article, Product…) to become eligible for rich results.

  • Missing OpenGraph tags

    SEO

    Add og:title/og:description/og:image so shared links render a proper preview card.

  • robots.txt not found

    SEO

    Publish /robots.txt with a Sitemap: directive to guide crawlers.

  • sitemap.xml not found

    SEO

    Publish an XML sitemap and reference it from robots.txt to speed up page discovery.

70

SEO

5 issue(s) found

100

Performance

572 ms

50

Security

HTTPS & header checks

100

Accessibility

0 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.

网站维护中

Meta tags

Title
网站维护中
Description
网站维护中
Canonical
Language
zh-CN
Charset
UTF-8
Viewport
width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no
Robots meta
noindex, nofollow
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.

Hosting & CDN

Hosting provider
CDN provider
IP address
103.186.85.20
ASN

DNS records

TypeValue
A
  • 103.186.85.20
AAAA
MX
TXT
NS
  • b.share-dns.net
  • a.share-dns.com
CAA
CNAME
IPv6 supportNo

TLS / SSL certificate

Version
TLS 1.3
Issuer
Let's Encrypt
Subject
todayonhistory.com
Valid from
Jul 11, 2026
Valid to
Oct 9, 2026
Days until expiry
72
SAN domains
todayonhistory.com, top.todayonhistory.com, www.todayonhistory.com

Security headers

  • Strict-Transport-SecurityEnabled
  • Content-Security-PolicyMissing
  • X-Frame-OptionsEnabled
  • X-Content-Type-OptionsEnabled
  • Referrer-PolicyMissing
  • Permissions-PolicyMissing

Compression: gzip · 0 cookie(s) observed

Content & assets

Headings

H1 1 · H2 0 · H3 0

Links

0 internal · 0 external · 0 broken

Images

0 total · 0 missing alt

Scripts / Styles

1 scripts · 0 stylesheets

JS / CSS size

190 B · 2.7 KB

Page size

4.5 KB

Robots.txt & Sitemap

robots.txt
Not found
Disallow rules
0
sitemap.xml
Not found
URLs in sitemap
0

SEO issues

  • Missing canonical link
  • No structured data (JSON-LD) found
  • Missing OpenGraph tags
  • robots.txt not found
  • sitemap.xml not found

Accessibility issues

No accessibility issues detected.

Scan details

Requested URL
https://china-ef.com
Final URL
https://china-ef.com
HTTP status
200
HTTP version
HTTP/2
Response time
572 ms
HTML size
4.5 KB
Redirect chain
https://china-ef.com

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Frequently asked questions

What technology does china-ef.com use?
china-ef.com is built with Nginx.
Is china-ef.com secure (HTTPS)?
Yes. china-ef.com uses TLS 1.3 with a certificate issued by Let's Encrypt, valid until Oct 9, 2026.
Who hosts china-ef.com?
Hosting provider information for china-ef.com is not available yet.
What is china-ef.com's SEO score?
china-ef.com scored 70/100 for SEO in the latest analysis (fair).
What is china-ef.com's overall website score?
china-ef.com has an overall SiteGraph score of 79/100, combining SEO, performance, security, and accessibility.