luizalabs.com

Think Labs | Luizalabs | Substack

Last scanned Jul 26, 2026, 5:17 AM

86

Overall score

Great

Summary

O novo hub de conhecimento técnico e estratégico do Luizalabs. This website uses Express hosted on Cloudflare behind Cloudflare CDN. SEO is good (80/100) and accessibility is excellent (90/100). Security scores good (85/100) and performance excellent (90/100). Top issue: No H1 heading found.

O novo hub de conhecimento técnico e estratégico do Luizalabs. Click to read Think Labs, by Luizalabs, a Substack publication.

United States

Hosted on Cloudflare

Top issues to fix

4 issues found · 1 high priority

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.
Missing X-Content-Type-Options header
Security
Add X-Content-Type-Options: nosniff to stop MIME-sniffing attacks.
Missing X-Frame-Options header
Security
Add X-Frame-Options (or a CSP frame-ancestors rule) to prevent clickjacking via hidden iframes.
No structured data (JSON-LD) found
SEO
Add JSON-LD (Organization, Article, Product…) to become eligible for rich results.

80

SEO

2 issue(s) found

90

Performance

546 ms

85

Security

HTTPS & header checks

90

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.

O novo hub de conhecimento técnico e estratégico do Luizalabs. Click to read Think Labs, by Luizalabs, a Substack publication.

Meta tags

Title: Think Labs | Luizalabs | Substack
Description: O novo hub de conhecimento técnico e estratégico do Luizalabs. Click to read Think Labs, by Luizalabs, a Substack publication.
Canonical: https://luizalabs.substack.com/
Language: pt-br
Charset: utf-8
Viewport: width=device-width, initial-scale=1, maximum-scale=1, user-scalable=0, viewport-fit=cover
Robots meta
Manifest

Technologies

Detected frameworks, languages, and tools.

Express Node.js Google Analytics Cloudflare Analytics

Hosting & CDN

Hosting provider: Cloudflare
CDN provider: Cloudflare
IP address: 172.64.150.56
ASN: AS13335 (CLOUDFLARENET - Cloudflare, Inc., US)

DNS records

Type	Value
A	172.64.150.56 104.18.37.200
AAAA	2606:4700:4401::ac40:9638 2606:4700:4404::6812:25c8
MX	—
TXT	—
NS	—
CAA	—
CNAME	—
IPv6 support	Yes

TLS / SSL certificate

Version: TLS 1.3
Issuer: Google Trust Services
Subject: substack.com
Valid from: Jul 22, 2026
Valid to: Oct 20, 2026
Days until expiry: 85
SAN domains: substack.com, *.substack.com

Security headers

Strict-Transport-SecurityEnabled
Content-Security-PolicyEnabled
X-Frame-OptionsMissing
X-Content-Type-OptionsMissing
Referrer-PolicyMissing
Permissions-PolicyMissing

Compression: gzip · 3 cookie(s) observed

Content & assets

Headings

H1 0 · H2 0 · H3 0

Links

0 internal · 5 external · 0 broken

Images

1 total · 0 missing alt

Scripts / Styles

169 scripts · 19 stylesheets

JS / CSS size

423 KB · 707 KB

Page size

85.0 KB

Robots.txt & Sitemap

robots.txt: Found
Disallow rules: 17
sitemap.xml: Found
URLs in sitemap: 593

SEO issues

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

Scan details

Requested URL: https://luizalabs.com
Final URL: https://luizalabs.substack.com:443/
HTTP status: 200
HTTP version: HTTP/2
Response time: 545 ms
HTML size: 85.0 KB
Redirect chain: https://luizalabs.com → https://luizalabs.substack.com:443/

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Frequently asked questions

What technology does luizalabs.com use?: luizalabs.com is built with Express, Node.js, Google Analytics, Cloudflare Analytics.
Is luizalabs.com secure (HTTPS)?: Yes. luizalabs.com uses TLS 1.3 with a certificate issued by Google Trust Services, valid until Oct 20, 2026.
Who hosts luizalabs.com?: luizalabs.com is hosted on Cloudflare, behind Cloudflare CDN.
What is luizalabs.com's SEO score?: luizalabs.com scored 80/100 for SEO in the latest analysis (great).
What is luizalabs.com's overall website score?: luizalabs.com has an overall SiteGraph score of 86/100, combining SEO, performance, security, and accessibility.