What technology does hoidap247.com use?

hoidap247.com is built with Next.js, 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?

hoidap247.com is hosted on VTDC-AS-VN - Vietel - CHT Compamy Ltd, VN.

What is hoidap247.com's SEO score?

hoidap247.com scored 70/100 for SEO in the latest analysis (fair).

What is hoidap247.com's overall website score?

hoidap247.com has an overall SiteGraph score of 77/100, combining SEO, performance, security, and accessibility.

hoidap247.com

Hoidap247.com - Hỏi đáp bài tập nhanh, chính xác, miễn phí

Last scanned Jul 26, 2026, 11:19 AM

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 hosted on VTDC-AS-VN - Vietel - CHT Compamy Ltd, VN. SEO is fair (70/100) and accessibility is excellent (90/100). Security scores excellent (90/100) and performance fair (60/100). 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

Vietnam

Hosted on VTDC-AS-VN - Vietel - CHT Compamy Ltd, VN

Top issues to fix

5 issues found · 2 high priority

Missing Content-Security-Policy header
Security
Add a CSP to control which sources can run scripts — the strongest single defense against XSS.
No H1 heading found
SEO
Add 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
SEO
Shorten the title to under 60 characters so search results don't truncate it.
Meta description longer than 160 characters
SEO
Trim the meta description to under 160 characters to avoid truncation in search results.
No structured data (JSON-LD) found
SEO
Add JSON-LD (Organization, Article, Product…) to become eligible for rich results.

SEO

4 issue(s) found

Performance

193 ms

Security

HTTPS & header checks

Accessibility

1 issue(s) found

Not enough scan history yet to show a trend — check back after this site has been re-scanned a few more times.

Organization

Company details published in this site's own structured data.

Facebook YouTube

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.

Next.js Google Ads Meta Pixel Nginx

Hosting & CDN

Hosting provider: VTDC-AS-VN - Vietel - CHT Compamy Ltd, VN
CDN provider: —
IP address: 125.212.225.142
ASN: AS38731 (VTDC-AS-VN - Vietel - CHT Compamy Ltd, VN)

DNS records

Type	Value
A	125.212.225.142
AAAA	—
MX	ssl.emailserver.vn
TXT	_globalsign-domain-verification=nWHV9h9X8JVIhMgDWuAw_0_3ZJUHDdTy4kAY9VerZU google-site-verification=o_4EHNd2yI_BZzU0Lqle2Dxcr3Z7FJEL8ozf6AmPqng facebook-domain-verification=shet873e58pccx6rvb44bo070p8nxx
NS	giancarlo.ns.cloudflare.com amber.ns.cloudflare.com
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: 163
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 0 · H3 3

Links

71 internal · 4 external · 0 broken

Images

38 total · 5 missing alt

Scripts / Styles

17 scripts · 9 stylesheets

JS / CSS size

3.8 MB · 632 KB

Page size

55.2 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
No H1 heading found
No structured data (JSON-LD) found

Scan details

Requested URL: https://hoidap247.com
Final URL: https://hoidap247.com
HTTP status: 200
HTTP version: HTTP/2
Response time: 192 ms
HTML size: 55.2 KB
Redirect chain: https://hoidap247.com

See something wrong on this report? Request a correction

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