gvn.co
Diễn đàn GVN
Last scanned Aug 2, 2026, 8:00 PM · 9 views
Overall score
Excellent
Summary
Diễn đàn GVN. This website uses Google Analytics behind Cloudflare CDN. SEO is excellent (90/100) and accessibility is excellent (100/100). Security scores good (80/100) and performance excellent (90/100). Top issue: robots.txt not found.
Diễn đàn GVN
Top issues to fix
5 issues found · 2 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.
robots.txt not found
SEOPublish /robots.txt with a Sitemap: directive to guide crawlers.
sitemap.xml not found
SEOPublish an XML sitemap and reference it from robots.txt to speed up page discovery.
20 broken links on the page
SEOFix or remove broken links — they waste crawl budget and erode user trust.
SEO
2 issue(s) found
Performance
2.03 s
Security
HTTPS & header checks
Accessibility
0 issue(s) found
Score history
-3 overall since Jul 26, 2026
- Overall
- 90
- SEO
- 90
- Security
- 80
- Performance
- 90
- Accessibility
- 100
Organization
Company details published in this site's own structured data.
Diễn đàn GVN
Meta tags
- Title
- Diễn đàn GVN
- Description
- Diễn đàn GVN
- Canonical
- https://f.gvn.co/
- Language
- vi-VN
- Charset
- utf-8
- Viewport
- width=device-width, initial-scale=1, viewport-fit=cover
- Robots meta
- Manifest
- https://f.gvn.co/webmanifest.php
Technologies
Detected frameworks, languages, and tools.
Hosting & CDN
- Hosting provider
- —
- CDN provider
- Cloudflare
- 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
- gvn.co
- Valid from
- Jul 17, 2026
- Valid to
- Oct 15, 2026
- Days until expiry
- 73
- SAN domains
- *.gvn.co, gvn.co
Security headers
- Strict-Transport-SecurityMissing
- 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 9 · H3 33
Links
426 internal · 5 external · 20 broken
Images
37 total · 0 missing alt
Scripts / Styles
7 scripts · 6 stylesheets
JS / CSS size
5.3 KB · 0 B
Page size
234 KB
Robots.txt & Sitemap
- robots.txt
- Not found
- Disallow rules
- 0
- sitemap.xml
- Not found
- URLs in sitemap
- 0
SEO issues
- robots.txt not found
- sitemap.xml not found
Accessibility issues
No accessibility issues detected.
Scan details
- Requested URL
- https://gvn.co
- Final URL
- https://f.gvn.co/
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 2.03 s
- HTML size
- 234 KB
- Redirect chain
- https://gvn.co → https://f.gvn.co/
See something wrong on this report? Request a correction
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Frequently asked questions
- What technology does gvn.co use?
- gvn.co is built with Google Analytics, Cloudflare Analytics.
- Is gvn.co secure (HTTPS)?
- Yes. gvn.co uses TLS 1.3 with a certificate issued by Let's Encrypt, valid until Oct 15, 2026.
- Who hosts gvn.co?
- Hosting provider information for gvn.co is not available yet.
- What is gvn.co's SEO score?
- gvn.co scored 90/100 for SEO in the latest analysis (excellent).
- What is gvn.co's overall website score?
- gvn.co has an overall SiteGraph score of 90/100, combining SEO, performance, security, and accessibility.
- Has gvn.co's score changed over time?
- gvn.co's overall score has declined by 3 points (from 93 to 90) since Jul 26, 2026.
OpenGraph & Twitter Card
OpenGraph
Twitter Card