evn.com.vn
Trang thông tin điện tử tổng hợp - Tập đoàn Điện lực Việt Nam
Last scanned Aug 5, 2026, 12:00 AM · 9 views
Overall score
Great
Summary
This website uses Google Analytics. SEO is poor (45/100) and accessibility is excellent (90/100). Security scores excellent (100/100) and performance excellent (100/100). Top issue: Title longer than 60 characters.
Top issues to fix
10 issues found · 2 high priority
Missing meta description
SEOAdd a ~150-character meta description to control your search-result snippet and lift click-through rate.
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.
1 cookie 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.
Missing canonical link
SEOAdd <link rel="canonical"> so search engines know which URL variant to index.
No structured data (JSON-LD) found
SEOAdd JSON-LD (Organization, Article, Product…) to become eligible for rich results.
+4 more issues — details in the sections below.
SEO
8 issue(s) found
Performance
939 ms
Security
HTTPS & header checks
Accessibility
1 issue(s) found
Score history
+1 overall since Jul 27, 2026
- Overall
- 82
- SEO
- 45
- Security
- 100
- Performance
- 100
- Accessibility
- 90
Organization
Company details published in this site's own structured data.
Contact
Email, phone, and address published on this site's own pages.
Meta tags
- Title
- Trang thông tin điện tử tổng hợp - Tập đoàn Điện lực Việt Nam
- Description
- Canonical
- Language
- vi
- Charset
- utf-8
- Viewport
- width=device-width, initial-scale=1, minimum-scale=1, maximum-scale=5, user-scalable=1
- Robots meta
- noarchive, max-image-preview:large, index
- 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
- evn.com.vn
- Valid from
- Nov 20, 2025
- Valid to
- Dec 22, 2026
- Days until expiry
- 139
- SAN domains
- evn.com.vn, *.evn.com.vn, autodiscover.evn.vn, mail.evn.vn, smtp.evn.vn, webmail.evn.vn
Security headers
- Strict-Transport-SecurityEnabled
- Content-Security-PolicyEnabled
- X-Frame-OptionsEnabled
- X-Content-Type-OptionsEnabled
- Referrer-PolicyEnabled
- Permissions-PolicyMissing
Compression: none · 1 cookie(s) observed
Content & assets
Headings
H1 0 · H2 0 · H3 0
Links
94 internal · 7 external · 20 broken
Images
43 total · 5 missing alt
Scripts / Styles
14 scripts · 6 stylesheets
JS / CSS size
7.9 KB · 0 B
Page size
131 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
- Missing meta description
- Missing canonical link
- No H1 heading found
- No structured data (JSON-LD) found
- Missing OpenGraph tags
- robots.txt not found
- sitemap.xml not found
Accessibility issues
- No H1 heading found
Scan details
- Requested URL
- https://evn.com.vn
- Final URL
- https://evn.com.vn
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 937 ms
- HTML size
- 131 KB
- Redirect chain
- https://evn.com.vn
See something wrong on this report? Request a correction
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Frequently asked questions
- What technology does evn.com.vn use?
- evn.com.vn is built with Bootstrap, jQuery, Google Analytics.
- Is evn.com.vn secure (HTTPS)?
- Yes. evn.com.vn uses TLS 1.2 with a certificate issued by GlobalSign nv-sa, valid until Dec 22, 2026.
- Who hosts evn.com.vn?
- Hosting provider information for evn.com.vn is not available yet.
- What is evn.com.vn's SEO score?
- evn.com.vn scored 45/100 for SEO in the latest analysis (poor).
- What is evn.com.vn's overall website score?
- evn.com.vn has an overall SiteGraph score of 82/100, combining SEO, performance, security, and accessibility.
- Has evn.com.vn's score changed over time?
- evn.com.vn's overall score has improved by 1 point (from 81 to 82) since Jul 27, 2026.
OpenGraph & Twitter Card
OpenGraph
Twitter Card