dcs.vn
CỔNG CÁC ỨNG DỤNG
Last scanned Aug 2, 2026, 7:00 PM · 19 views
Overall score
Great
Summary
CỔNG CÁC ỨNG DỤNG. This website uses Google Analytics. SEO is fair (70/100) and accessibility is excellent (90/100). Security scores good (85/100) and performance excellent (100/100). Top issue: No H1 heading found.
CỔNG CÁC ỨNG DỤNG
Top issues to fix
7 issues found · 2 high priority
Missing Content-Security-Policy header
SecurityAdd a CSP to control which sources can run scripts — the strongest single defense against XSS.
No H1 heading found
SEOAdd exactly one H1 describing the page's main topic — it anchors the document outline for search engines and screen readers.
Missing X-Content-Type-Options header
SecurityAdd X-Content-Type-Options: nosniff to stop MIME-sniffing attacks.
No structured data (JSON-LD) found
SEOAdd JSON-LD (Organization, Article, Product…) to become eligible for rich results.
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.
+1 more issue — details in the sections below.
SEO
4 issue(s) found
Performance
351 ms
Security
HTTPS & header checks
Accessibility
1 issue(s) found
Score history
+1 overall since Jul 26, 2026
- Overall
- 85
- SEO
- 70
- Security
- 85
- Performance
- 100
- Accessibility
- 90
Organization
Company details published in this site's own structured data.
CỔNG CÁC ỨNG DỤNG
Meta tags
- Title
- CỔNG CÁC ỨNG DỤNG
- Description
- CỔNG CÁC ỨNG DỤNG
- Canonical
- https://dcs.vn/
- Language
- vi
- Charset
- utf-8
- Viewport
- width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no
- Robots meta
- Manifest
Technologies
Detected frameworks, languages, and tools.
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
- GlobalSign nv-sa
- Subject
- *.dcs.vn
- Valid from
- Nov 13, 2025
- Valid to
- Dec 15, 2026
- Days until expiry
- 134
- SAN domains
- *.dcs.vn, dcs.vn
Security headers
- Strict-Transport-SecurityEnabled
- Content-Security-PolicyMissing
- X-Frame-OptionsEnabled
- X-Content-Type-OptionsMissing
- Referrer-PolicyMissing
- Permissions-PolicyMissing
Compression: gzip · 2 cookie(s) observed
Content & assets
Headings
H1 0 · H2 0 · H3 1
Links
2 internal · 0 external · 2 broken
Images
15 total · 0 missing alt
Scripts / Styles
8 scripts · 3 stylesheets
JS / CSS size
11.1 KB · 5.9 KB
Page size
44.1 KB
Robots.txt & Sitemap
- robots.txt
- Not found
- Disallow rules
- 0
- sitemap.xml
- Not found
- URLs in sitemap
- 0
SEO issues
- No H1 heading found
- No structured data (JSON-LD) found
- robots.txt not found
- sitemap.xml not found
Accessibility issues
- No H1 heading found
Scan details
- Requested URL
- https://dcs.vn
- Final URL
- https://dcs.vn
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 351 ms
- HTML size
- 44.1 KB
- Redirect chain
- https://dcs.vn
See something wrong on this report? Request a correction
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Frequently asked questions
- What technology does dcs.vn use?
- dcs.vn is built with Google Analytics.
- Is dcs.vn secure (HTTPS)?
- Yes. dcs.vn uses TLS 1.3 with a certificate issued by GlobalSign nv-sa, valid until Dec 15, 2026.
- Who hosts dcs.vn?
- Hosting provider information for dcs.vn is not available yet.
- What is dcs.vn's SEO score?
- dcs.vn scored 70/100 for SEO in the latest analysis (fair).
- What is dcs.vn's overall website score?
- dcs.vn has an overall SiteGraph score of 85/100, combining SEO, performance, security, and accessibility.
- Has dcs.vn's score changed over time?
- dcs.vn's overall score has improved by 1 point (from 84 to 85) since Jul 26, 2026.
OpenGraph & Twitter Card
OpenGraph
Twitter Card