hoc24.vn
Nền tảng học trực tuyến, học online, hỏi đáp học tập
Last scanned Aug 4, 2026, 4:00 AM · 8 views
Overall score
Great
Summary
Hoc24.vn là nền tảng học trực tuyến cung cấp các khóa học phong phú, bài giảng video, bài tập, giúp học sinh nâng cao kiến thức và kỹ năng học tập hiệu quả. This website uses Nginx. SEO is good (80/100) and accessibility is excellent (100/100). Security scores fair (65/100) and performance good (80/100). Top issue: Title longer than 60 characters.
Hoc24.vn là nền tảng học trực tuyến cung cấp các khóa học phong phú, bài giảng video, bài tập, giúp học sinh nâng cao kiến thức và kỹ năng học tập hiệu quả.
Top issues to fix
10 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.
Missing X-Content-Type-Options header
SecurityAdd X-Content-Type-Options: nosniff to stop MIME-sniffing attacks.
Missing X-Frame-Options header
SecurityAdd X-Frame-Options (or a CSP frame-ancestors rule) to prevent clickjacking via hidden iframes.
2 cookies without Secure/HttpOnly flags
SecuritySet Secure and HttpOnly on session cookies so they can't leak over HTTP or be read by injected scripts.
Title longer than 60 characters
SEOShorten the title to under 60 characters so search results don't truncate it.
+4 more issues — details in the sections below.
SEO
4 issue(s) found
Performance
488 ms
Security
HTTPS & header checks
Accessibility
0 issue(s) found
Score history
+3 overall since Jul 27, 2026
- Overall
- 80
- SEO
- 80
- Security
- 65
- Performance
- 80
- Accessibility
- 100
Organization
Company details published in this site's own structured data.
Meta tags
- Title
- Nền tảng học trực tuyến, học online, hỏi đáp học tập
- Description
- Hoc24.vn là nền tảng học trực tuyến cung cấp các khóa học phong phú, bài giảng video, bài tập, giúp học sinh nâng cao kiến thức và kỹ năng học tập hiệu quả.
- Canonical
- https://hoc24.vn
- Language
- vi
- Charset
- utf-8
- Viewport
- width=device-width, initial-scale=1
- 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 1.2
- Issuer
- Sectigo Limited
- Subject
- hoc24.vn
- Valid from
- Apr 13, 2026
- Valid to
- Oct 28, 2026
- Days until expiry
- 85
- SAN domains
- hoc24.vn, www.hoc24.vn
Security headers
- Strict-Transport-SecurityMissing
- Content-Security-PolicyMissing
- X-Frame-OptionsMissing
- X-Content-Type-OptionsMissing
- Referrer-PolicyMissing
- Permissions-PolicyMissing
Compression: gzip · 2 cookie(s) observed
Content & assets
Headings
H1 1 · H2 2 · H3 33
Links
129 internal · 6 external · 20 broken
Images
127 total · 19 missing alt
Scripts / Styles
25 scripts · 5 stylesheets
JS / CSS size
6.7 KB · 0 B
Page size
448 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
- Meta description longer than 160 characters
- robots.txt not found
- sitemap.xml not found
Accessibility issues
No accessibility issues detected.
Scan details
- Requested URL
- https://hoc24.vn
- Final URL
- https://hoc24.vn
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 479 ms
- HTML size
- 448 KB
- Redirect chain
- https://hoc24.vn
See something wrong on this report? Request a correction
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Frequently asked questions
- What technology does hoc24.vn use?
- hoc24.vn is built with Laravel, jQuery, Google Analytics, Google Ads, Meta Pixel, Nginx.
- Is hoc24.vn secure (HTTPS)?
- Yes. hoc24.vn uses TLS 1.2 with a certificate issued by Sectigo Limited, valid until Oct 28, 2026.
- Who hosts hoc24.vn?
- Hosting provider information for hoc24.vn is not available yet.
- What is hoc24.vn's SEO score?
- hoc24.vn scored 80/100 for SEO in the latest analysis (great).
- What is hoc24.vn's overall website score?
- hoc24.vn has an overall SiteGraph score of 80/100, combining SEO, performance, security, and accessibility.
- Has hoc24.vn's score changed over time?
- hoc24.vn's overall score has improved by 3 points (from 77 to 80) since Jul 27, 2026.
OpenGraph & Twitter Card
OpenGraph
Twitter Card