hoc24.vn
Nền tảng học trực tuyến, học online, hỏi đáp học tập
Last scanned Jul 27, 2026, 8:44 AM · 1 view
Overall score
Fair
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 hosted on CMCTELECOM-VN - CMC Telecom Infrastructure Company, VN. SEO is excellent (90/100) and accessibility is excellent (100/100). Security scores fair (65/100) and performance fair (55/100). 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.
- Vietnam
- Hosted on CMCTELECOM-VN - CMC Telecom Infrastructure Company, VN
Top issues to fix
8 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.
+2 more issues — details in the sections below.
SEO
2 issue(s) found
Performance
657 ms
Security
HTTPS & header checks
Accessibility
0 issue(s) found
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
- CMCTELECOM-VN - CMC Telecom Infrastructure Company, VN
- CDN provider
- —
- IP address
- 124.158.4.30
- ASN
- AS38732 (CMCTELECOM-VN - CMC Telecom Infrastructure Company, VN)
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
- 93
- 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
123 internal · 7 external · 1 broken
Images
138 total · 21 missing alt
Scripts / Styles
40 scripts · 5 stylesheets
JS / CSS size
1.8 MB · 897 KB
Page size
326 KB
Robots.txt & Sitemap
- robots.txt
- Found
- Disallow rules
- 3
- sitemap.xml
- Found
- URLs in sitemap
- -1
SEO issues
- Title longer than 60 characters
- Meta description longer than 160 characters
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
- 651 ms
- HTML size
- 326 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?
- hoc24.vn is hosted on CMCTELECOM-VN - CMC Telecom Infrastructure Company, VN.
- What is hoc24.vn's SEO score?
- hoc24.vn scored 90/100 for SEO in the latest analysis (excellent).
- What is hoc24.vn's overall website score?
- hoc24.vn has an overall SiteGraph score of 77/100, combining SEO, performance, security, and accessibility.
OpenGraph & Twitter Card
OpenGraph
Twitter Card