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SGSiteGraph

yylm.top

鱼跃龙门教育咨询有限公司

Last scanned Jul 26, 2026, 3:19 PM · 1 view

73

Overall score

Fair

Summary

公司平台. This website uses Apache. SEO is fair (70/100) and accessibility is fair (55/100). Security scores fair (65/100) and performance excellent (100/100). Top issue: Missing canonical link.

公司平台

Top issues to fix

13 issues found · 4 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.

  • Over half of images are missing alt text

    Accessibility

    Add alt attributes to images — screen readers depend on them, and they help image SEO.

  • 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.

+7 more issues — details in the sections below.

70

SEO

5 issue(s) found

100

Performance

234 ms

65

Security

HTTPS & header checks

55

Accessibility

3 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.

公司平台

Contact

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

Meta tags

Title
鱼跃龙门教育咨询有限公司
Description
公司平台
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.

jQueryApache

Hosting & CDN

Hosting provider
—
CDN provider
—
IP address
—
ASN
—

DNS records

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

TLS / SSL certificate

Version
TLS 1.3
Issuer
Let's Encrypt
Subject
www.yylm.top
Valid from
Jun 11, 2026
Valid to
Sep 9, 2026
Days until expiry
42
SAN domains
www.yylm.top, yylm.top

Security headers

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

Compression: gzip · 0 cookie(s) observed

Content & assets

Headings

H1 1 · H2 3 · H3 0

Links

1 internal · 2 external · 3 broken

Images

28 total · 28 missing alt

Scripts / Styles

7 scripts · 5 stylesheets

JS / CSS size

513 B · 0 B

Page size

12.9 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

  • Over half of images are missing alt text
  • Missing <html lang> attribute
  • Missing viewport meta tag

Scan details

Requested URL
https://yylm.top
Final URL
https://yylm.top
HTTP status
200
HTTP version
HTTP/2
Response time
234 ms
HTML size
12.9 KB
Redirect chain
https://yylm.top

See something wrong on this report? Request a correction

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Frequently asked questions

What technology does yylm.top use?
yylm.top is built with jQuery, Apache.
Is yylm.top secure (HTTPS)?
Yes. yylm.top uses TLS 1.3 with a certificate issued by Let's Encrypt, valid until Sep 9, 2026.
Who hosts yylm.top?
Hosting provider information for yylm.top is not available yet.
What is yylm.top's SEO score?
yylm.top scored 70/100 for SEO in the latest analysis (fair).
What is yylm.top's overall website score?
yylm.top has an overall SiteGraph score of 73/100, combining SEO, performance, security, and accessibility.