Public technology profileAging scan
letsencrypt.org
Our latest scan of letsencrypt.org detected 9 technologies across 6 categories. The strongest signals include Donorbox, Font Awesome, Hugo.
9
Technologies
6
Categories
97%
Avg. confidence
42d ago
Last scanned
Current snapshot
Detected technology stack
Grouped by category · confidence is detection certainty
Hosting & infrastructure
2 detectedNetlify
First seen Jul 17, 2026Last seen Jul 17, 2026
100%
confidence
Amazon Web Services
First seen Jul 17, 2026Last seen Jul 17, 2026
85%
confidence
Frontend
1 detectedFont Awesome
First seen Jul 17, 2026Last seen Jul 17, 2026
100%
confidence
Payments
1 detectedPayPal
First seen Jul 17, 2026Last seen Jul 17, 2026
100%
confidence
CDN & delivery
1 detectedCloudflare
First seen Jul 17, 2026Last seen Jul 17, 2026
95%
confidence
Security
1 detectedLetsEncrypt
First seen Jul 17, 2026Last seen Jul 17, 2026
95%
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 · reject
Network footprint
Site signals
Content and capabilities
Structured data, languages, social platforms and page capabilities observed across the scanned pages.
Languages
en-US
Social platforms
githublinkedinx
Observed capabilities
Responsive viewportDocumentationContact pageBlog
Recent technology changes
Observed changes between stored scans, not vendor-confirmed installation dates.