4devs.com.br
4Devs - Ferramentas Online Grátis
Last scanned Aug 6, 2026, 1:00 AM · 6 views
Overall score
Great
Summary
Ferramentas online gratuitas, geradores de cpf, conta bancária, pessoas, cnpj, cep, rg, validadores, encoders e muitas outras úteis para programadores. This website uses Nginx. SEO is good (75/100) and accessibility is excellent (100/100). Security scores excellent (90/100) and performance good (85/100). Top issue: No structured data (JSON-LD) found.
Ferramentas online gratuitas, geradores de cpf, conta bancária, pessoas, cnpj, cep, rg, validadores, encoders e muitas outras úteis para programadores.
Top issues to fix
6 issues found · 1 high priority
Missing Content-Security-Policy header
SecurityAdd a CSP to control which sources can run scripts — the strongest single defense against XSS.
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.
No structured data (JSON-LD) found
SEOAdd JSON-LD (Organization, Article, Product…) to become eligible for rich results.
Missing OpenGraph tags
SEOAdd og:title/og:description/og:image so shared links render a proper preview card.
robots.txt not found
SEOPublish /robots.txt with a Sitemap: directive to guide crawlers.
sitemap.xml not found
SEOPublish an XML sitemap and reference it from robots.txt to speed up page discovery.
SEO
4 issue(s) found
Performance
587 ms
Security
HTTPS & header checks
Accessibility
0 issue(s) found
Score history
-2 overall since Jul 26, 2026
- Overall
- 86
- SEO
- 75
- Security
- 90
- Performance
- 85
- Accessibility
- 100
Organization
Company details published in this site's own structured data.
Ferramentas online gratuitas, geradores de cpf, conta bancária, pessoas, cnpj, cep, rg, validadores, encoders e muitas outras úteis para programadores.
Meta tags
- Title
- 4Devs - Ferramentas Online Grátis
- Description
- Ferramentas online gratuitas, geradores de cpf, conta bancária, pessoas, cnpj, cep, rg, validadores, encoders e muitas outras úteis para programadores.
- Canonical
- https://www.4devs.com.br
- Language
- pt
- Charset
- utf-8
- Viewport
- width=device-width, initial-scale=1.0, maximum-scale=2.0, user-scalable=1
- Robots meta
- Manifest
- https://www.4devs.com.br/site.webmanifest
Technologies
Detected frameworks, languages, and tools.
Hosting & CDN
- Hosting provider
- —
- CDN provider
- —
- IP address
- 66.70.255.221
- ASN
- —
DNS records
| Type | Value |
|---|---|
| A |
|
| AAAA | — |
| MX | — |
| TXT | — |
| NS |
|
| CAA | — |
| CNAME |
|
| IPv6 support | No |
TLS / SSL certificate
- Version
- TLS 1.2
- Issuer
- Let's Encrypt
- Subject
- 4devs.com.br
- Valid from
- Jun 28, 2026
- Valid to
- Sep 26, 2026
- Days until expiry
- 51
- SAN domains
- 4devs.com.br, www.4devs.com.br
Security headers
- Strict-Transport-SecurityEnabled
- Content-Security-PolicyMissing
- X-Frame-OptionsEnabled
- X-Content-Type-OptionsEnabled
- Referrer-PolicyMissing
- Permissions-PolicyMissing
Compression: gzip · 1 cookie(s) observed
Content & assets
Headings
H1 1 · H2 6 · H3 0
Links
81 internal · 3 external · 0 broken
Images
15 total · 0 missing alt
Scripts / Styles
54 scripts · 1 stylesheets
JS / CSS size
1.4 MB · 76.6 KB
Page size
139 KB
Robots.txt & Sitemap
- robots.txt
- Not found
- Disallow rules
- 0
- sitemap.xml
- Not found
- URLs in sitemap
- 0
SEO issues
- No structured data (JSON-LD) found
- Missing OpenGraph tags
- robots.txt not found
- sitemap.xml not found
Accessibility issues
No accessibility issues detected.
Scan details
- Requested URL
- https://4devs.com.br
- Final URL
- https://www.4devs.com.br/
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 585 ms
- HTML size
- 139 KB
- Redirect chain
- https://4devs.com.br → https://www.4devs.com.br/
See something wrong on this report? Request a correction
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Frequently asked questions
- What technology does 4devs.com.br use?
- 4devs.com.br is built with Google Analytics, Meta Pixel, Nginx.
- Is 4devs.com.br secure (HTTPS)?
- Yes. 4devs.com.br uses TLS 1.2 with a certificate issued by Let's Encrypt, valid until Sep 26, 2026.
- Who hosts 4devs.com.br?
- Hosting provider information for 4devs.com.br is not available yet.
- What is 4devs.com.br's SEO score?
- 4devs.com.br scored 75/100 for SEO in the latest analysis (fair).
- What is 4devs.com.br's overall website score?
- 4devs.com.br has an overall SiteGraph score of 86/100, combining SEO, performance, security, and accessibility.
- Has 4devs.com.br's score changed over time?
- 4devs.com.br's overall score has declined by 2 points (from 88 to 86) since Jul 26, 2026.
OpenGraph & Twitter Card
OpenGraph
Twitter Card