Payments
3 detectedAmerican Express
First seen Oct 2, 2026Last seen Oct 2, 2026
100%
confidence
Mastercard
First seen Oct 2, 2026Last seen Oct 2, 2026
100%
confidence
Visa
First seen Oct 2, 2026Last seen Oct 2, 2026
100%
confidence
Public technology profileRecent scan
firstclass.com.br
Our stored observations for firstclass.com.br include 12 technologies across 6 categories. The detected platform and tools include Google Customer Reviews, Shopify, core-js.
12
Technologies
6
Categories
100%
Avg. confidence
11d ago
Latest scan attempt
Some signals could not be checked in the latest scan. Technologies shown may include retained earlier observations. Missing technologies are not confirmed absent.
Technology detections are dated observations and may change between scans. Confidence scores measure matching evidence, not verified accuracy.
Current snapshot
Detected technology stack
Grouped by category · confidence is a rule score, not measured accuracy
Analytics
3 detectedGlobal Site Tag
First seen Oct 2, 2026Last seen Oct 2, 2026
100%
confidence
Google Analytics
First seen Oct 2, 2026Last seen Oct 2, 2026
100%
confidence
Google Analytics 4
First seen Oct 2, 2026Last seen Oct 2, 2026
100%
confidence
Ecommerce
2 detectedGoogle Customer Reviews
First seen Oct 2, 2026Last seen Oct 2, 2026
100%
confidence
Shopify
First seen Oct 2, 2026Last seen Oct 2, 2026
100%
confidence
JavaScript frameworks
2 detectedCDN & delivery
1 detectedCloudflare
First seen Oct 2, 2026Last seen Oct 2, 2026
100%
confidence
Chat
1 detectedWhatsApp Business Chat
First seen Oct 2, 2026Last seen Oct 2, 2026
100%
confidence
Publisher intelligence
Advertising ecosystem
Declared direct and reseller relationships from ads.txt and app-ads.txt. These are publisher declarations, not runtime detections.
Declaration files
0/2
ads.txt and app-ads.txt
Direct relationships
0
Reseller relationships
0
Declared systems
0
Counted per declaration file
ads.txt
Not presentHTTP 404
- Direct
- 0
- Reseller
- 0
- Systems
- 0
app-ads.txt
Not presentHTTP 404
- Direct
- 0
- Reseller
- 0
- Systems
- 0
Infrastructure
Network and security
DNS, hosting, TLS and email-security evidence observed during the latest scan. Incomplete lookups remain explicitly unknown.
Transport and email security
HTTPSObserved
HSTSObserved on scanned response
SPFConfigured
DMARCConfigured · none
Network footprint
Site signals
Content and capabilities
Structured data, languages, social platforms and page capabilities observed across the scanned pages.
Languages
pt-BR
Structured data
OrganizationSearchActionWebSite
Social platforms
facebookinstagramyoutube
Observed capabilities
Responsive viewportSearch formEmail form
57 form elements observed across scanned pages.
Recent technology changes
Observed changes between stored scans, not vendor-confirmed installation dates.