viacep.com.br
ViaCEP - Webservice CEP e IBGE gratuito
Last scanned Jul 26, 2026, 4:17 PM · 6 views
Overall score
Fair
Summary
Webservice gratuito para consulta de endereço via CEP, suporta Ajax e retorno nos formatos JSON ou XML. This website uses Nginx. SEO is fair (60/100) and accessibility is good (85/100). Security scores good (75/100) and performance excellent (100/100). Top issue: Missing canonical link.
Webservice gratuito para consulta de endereço via CEP, suporta Ajax e retorno nos formatos JSON ou XML.
Top issues to fix
11 issues found · 3 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.
Missing viewport meta tag
AccessibilityAdd <meta name="viewport" content="width=device-width, initial-scale=1"> — without it the site is broken on mobile.
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.
Missing canonical link
SEOAdd <link rel="canonical"> so search engines know which URL variant to index.
+5 more issues — details in the sections below.
SEO
6 issue(s) found
Performance
245 ms
Security
HTTPS & header checks
Accessibility
2 issue(s) found
Organization
Company details published in this site's own structured data.
Webservice gratuito para consulta de endereço via CEP, suporta Ajax e retorno nos formatos JSON ou XML.
Meta tags
- Title
- ViaCEP - Webservice CEP e IBGE gratuito
- Description
- Webservice gratuito para consulta de endereço via CEP, suporta Ajax e retorno nos formatos JSON ou XML.
- Canonical
- Language
- pt-br
- Charset
- Viewport
- Robots meta
- Manifest
Technologies
Detected frameworks, languages, and tools.
Hosting & CDN
- Hosting provider
- —
- CDN provider
- —
- IP address
- 165.227.126.241
- ASN
- —
DNS records
| Type | Value |
|---|---|
| A |
|
| AAAA |
|
| MX | — |
| TXT |
|
| NS | — |
| CAA | — |
| CNAME | — |
| IPv6 support | Yes |
TLS / SSL certificate
- Version
- TLS 1.3
- Issuer
- Sectigo Limited
- Subject
- viacep.com.br
- Valid from
- Apr 13, 2026
- Valid to
- Oct 28, 2026
- Days until expiry
- 91
- SAN domains
- viacep.com.br, www.viacep.com.br
Security headers
- Strict-Transport-SecurityEnabled
- Content-Security-PolicyMissing
- X-Frame-OptionsMissing
- X-Content-Type-OptionsMissing
- Referrer-PolicyMissing
- Permissions-PolicyMissing
Compression: gzip · 0 cookie(s) observed
Content & assets
Headings
H1 0 · H2 7 · H3 0
Links
12 internal · 5 external · 2 broken
Images
2 total · 0 missing alt
Scripts / Styles
2 scripts · 2 stylesheets
JS / CSS size
133 B · 3.4 KB
Page size
9.6 KB
Robots.txt & Sitemap
- robots.txt
- Not found
- Disallow rules
- 0
- sitemap.xml
- Not found
- URLs in sitemap
- 0
SEO issues
- 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
- Missing viewport meta tag
Scan details
- Requested URL
- https://viacep.com.br
- Final URL
- https://viacep.com.br
- HTTP status
- 200
- HTTP version
- HTTP/1.1
- Response time
- 245 ms
- HTML size
- 9.6 KB
- Redirect chain
- https://viacep.com.br
See something wrong on this report? Request a correction
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Frequently asked questions
- What technology does viacep.com.br use?
- viacep.com.br is built with Google Analytics, Nginx.
- Is viacep.com.br secure (HTTPS)?
- Yes. viacep.com.br uses TLS 1.3 with a certificate issued by Sectigo Limited, valid until Oct 28, 2026.
- Who hosts viacep.com.br?
- Hosting provider information for viacep.com.br is not available yet.
- What is viacep.com.br's SEO score?
- viacep.com.br scored 60/100 for SEO in the latest analysis (fair).
- What is viacep.com.br's overall website score?
- viacep.com.br has an overall SiteGraph score of 79/100, combining SEO, performance, security, and accessibility.
OpenGraph & Twitter Card
OpenGraph
Twitter Card