What technology does grand-comm.com use?

grand-comm.com is built with PHP, jQuery, Apache.

Is grand-comm.com secure (HTTPS)?

Yes. grand-comm.com uses TLS 1.3 with a certificate issued by Let's Encrypt, valid until Oct 28, 2026.

Who hosts grand-comm.com?

Hosting provider information for grand-comm.com is not available yet.

What is grand-comm.com's SEO score?

grand-comm.com scored 65/100 for SEO in the latest analysis (fair).

What is grand-comm.com's overall website score?

grand-comm.com has an overall SiteGraph score of 75/100, combining SEO, performance, security, and accessibility.

grand-comm.com

数传电台、数传模块、话音与图像电台专业供应商-深圳固迪

Last scanned Aug 24, 2026, 1:22 PM · 2 views

Overall score

Fair

Summary

领先的数传电台，无线通信产品供应商，集研发、生产、销售和服务于一体。0755-83476931. This website uses PHP. SEO is fair (65/100) and accessibility is good (85/100). Security scores fair (65/100) and performance excellent (90/100). Top issue: Title longer than 60 characters.

领先的数传电台，无线通信产品供应商，集研发、生产、销售和服务于一体。0755-83476931

Top issues to fix

13 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.
Title longer than 60 characters
SEO
Shorten the title to under 60 characters so search results don't truncate it.

+7 more issues — details in the sections below.

SEO

6 issue(s) found

Performance

1.51 s

Security

HTTPS & header checks

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.

领先的数传电台，无线通信产品供应商，集研发、生产、销售和服务于一体。0755-83476931

Contact

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

Email: sales@grand-comm.com support@grand-comm.com

Meta tags

Title: 数传电台、数传模块、话音与图像电台专业供应商-深圳固迪
Description: 领先的数传电台，无线通信产品供应商，集研发、生产、销售和服务于一体。0755-83476931
Canonical
Language
Charset: utf-8
Viewport
Robots meta
Manifest

Technologies

Detected frameworks, languages, and tools.

PHP jQuery Apache

Hosting & CDN

Hosting provider: —
CDN provider: —
IP address: —
ASN: —

DNS records

Type	Value
A	—
AAAA	—
MX	—
TXT	—
NS	—
CAA	—
CNAME	—
IPv6 support	No

TLS / SSL certificate

Version: TLS 1.3
Issuer: Let's Encrypt
Subject: grand-comm.com
Valid from: Jul 30, 2026
Valid to: Oct 28, 2026
Days until expiry: 64
SAN domains: grand-comm.com, www.grand-comm.com

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 4 · H3 4

Links

68 internal · 2 external · 20 broken

Images

35 total · 4 missing alt

Scripts / Styles

10 scripts · 2 stylesheets

JS / CSS size

2.0 KB · 0 B

Page size

24.5 KB

Robots.txt & Sitemap

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

SEO issues

Title longer than 60 characters
Missing canonical link
No structured data (JSON-LD) found
Missing OpenGraph tags
robots.txt not found
sitemap.xml not found

Scan details

Requested URL: https://grand-comm.com
Final URL: https://grand-comm.com
HTTP status: 200
HTTP version: HTTP/2
Response time: 1.51 s
HTML size: 24.5 KB
Redirect chain: https://grand-comm.com

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Frequently asked questions

What technology does grand-comm.com use?: grand-comm.com is built with PHP, jQuery, Apache.
Is grand-comm.com secure (HTTPS)?: Yes. grand-comm.com uses TLS 1.3 with a certificate issued by Let's Encrypt, valid until Oct 28, 2026.
Who hosts grand-comm.com?: Hosting provider information for grand-comm.com is not available yet.
What is grand-comm.com's SEO score?: grand-comm.com scored 65/100 for SEO in the latest analysis (fair).
What is grand-comm.com's overall website score?: grand-comm.com has an overall SiteGraph score of 75/100, combining SEO, performance, security, and accessibility.