hoidap247.com
Hoidap247.com - Hỏi đáp bài tập nhanh, chính xác, miễn phí
Last scanned Aug 7, 2026, 5:00 AM · 10 views
Overall score
Fair
Summary
Hoidap247.com - Cộng đồng hỏi và đáp cùng giúp nhau giải bài tập tất cả các môn Toán, Văn, Vật Lý, Hóa học, Tiếng anh, Lịch sử, Sinh học, Địa lý, Tin học, Công nghệ, GDCD,… This website uses Next.js. SEO is fair (60/100) and accessibility is excellent (90/100). Security scores excellent (90/100) and performance fair (70/100). Top issue: Title longer than 60 characters.
Hoidap247.com - Cộng đồng hỏi và đáp cùng giúp nhau giải bài tập tất cả các môn Toán, Văn, Vật Lý, Hóa học, Tiếng anh, Lịch sử, Sinh học, Địa lý, Tin học, Công nghệ, GDCD, Âm nhạc mỹ thuật đầy đủ các lớp
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.
Title longer than 60 characters
SEOShorten the title to under 60 characters so search results don't truncate it.
Meta description longer than 160 characters
SEOTrim the meta description to under 160 characters to avoid truncation in search results.
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.
+1 more issue — details in the sections below.
SEO
6 issue(s) found
Performance
260 ms
Security
HTTPS & header checks
Accessibility
1 issue(s) found
Score history
-1 overall since Jul 26, 2026
- Overall
- 76
- SEO
- 60
- Security
- 90
- Performance
- 70
- Accessibility
- 90
Organization
Company details published in this site's own structured data.
Meta tags
- Title
- Hoidap247.com - Hỏi đáp bài tập nhanh, chính xác, miễn phí
- Description
- Hoidap247.com - Cộng đồng hỏi và đáp cùng giúp nhau giải bài tập tất cả các môn Toán, Văn, Vật Lý, Hóa học, Tiếng anh, Lịch sử, Sinh học, Địa lý, Tin học, Công nghệ, GDCD, Âm nhạc mỹ thuật đầy đủ các lớp
- Canonical
- https://hoidap247.com
- Language
- vi
- Charset
- utf-8
- Viewport
- width=device-width,minimum-scale=1,initial-scale=1
- Robots meta
- index,follow
- 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
- GlobalSign nv-sa
- Subject
- *.hoidap247.com
- Valid from
- Jun 23, 2026
- Valid to
- Jan 8, 2027
- Days until expiry
- 154
- SAN domains
- *.hoidap247.com, hoidap247.com
Security headers
- Strict-Transport-SecurityEnabled
- Content-Security-PolicyMissing
- X-Frame-OptionsEnabled
- X-Content-Type-OptionsEnabled
- Referrer-PolicyMissing
- Permissions-PolicyMissing
Compression: gzip · 0 cookie(s) observed
Content & assets
Headings
H1 0 · H2 1 · H3 3
Links
100 internal · 6 external · 0 broken
Images
49 total · 8 missing alt
Scripts / Styles
64 scripts · 11 stylesheets
JS / CSS size
3.0 MB · 45.4 KB
Page size
62.2 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
- 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://hoidap247.com
- Final URL
- https://hoidap247.com
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 259 ms
- HTML size
- 62.2 KB
- Redirect chain
- https://hoidap247.com
See something wrong on this report? Request a correction
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Frequently asked questions
- What technology does hoidap247.com use?
- hoidap247.com is built with Next.js, Google Analytics, Google Ads, Meta Pixel, Nginx.
- Is hoidap247.com secure (HTTPS)?
- Yes. hoidap247.com uses TLS 1.2 with a certificate issued by GlobalSign nv-sa, valid until Jan 8, 2027.
- Who hosts hoidap247.com?
- Hosting provider information for hoidap247.com is not available yet.
- What is hoidap247.com's SEO score?
- hoidap247.com scored 60/100 for SEO in the latest analysis (fair).
- What is hoidap247.com's overall website score?
- hoidap247.com has an overall SiteGraph score of 76/100, combining SEO, performance, security, and accessibility.
- Has hoidap247.com's score changed over time?
- hoidap247.com's overall score has declined by 1 point (from 77 to 76) since Jul 26, 2026.
OpenGraph & Twitter Card
OpenGraph
Twitter Card