callsign.com
Fraud Prevention, Authentication and Intelligence - Callsign
Last scanned Jul 25, 2026, 6:25 PM · 9 views
Overall score
Excellent
Summary
Marking a new era in passive authentication, fraud prevention and intelligence. This website is hosted on AWS. SEO is excellent (90/100) and accessibility is excellent (100/100). Security scores excellent (100/100) and performance excellent (90/100). Top issue: No structured data (JSON-LD) found.
Marking a new era in passive authentication, fraud prevention and intelligence. We make digital identity simple and more secure.
- United States
- Hosted on AWS
Top issues to fix
1 issue found
No structured data (JSON-LD) found
SEOAdd JSON-LD (Organization, Article, Product…) to become eligible for rich results.
SEO
1 issue(s) found
Performance
248 ms
Security
HTTPS & header checks
Accessibility
0 issue(s) found
Organization
Company details published in this site's own structured data.
Marking a new era in passive authentication, fraud prevention and intelligence. We make digital identity simple and more secure.
Contact
Email, phone, and address published on this site's own pages.
Meta tags
- Title
- Fraud Prevention, Authentication and Intelligence - Callsign
- Description
- Marking a new era in passive authentication, fraud prevention and intelligence. We make digital identity simple and more secure.
- Canonical
- https://www.callsign.com/
- Language
- en
- Charset
- utf-8
- Viewport
- width=device-width, user-scalable=no, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0
- Robots meta
- Manifest
- https://www.callsign.com/assets/img/favicon/site.webmanifest?id=e3d38d41831a027d17a6a2a23e4a94b5
Technologies
Detected frameworks, languages, and tools.
No technologies detected.
Hosting & CDN
- Hosting provider
- AWS
- CDN provider
- CloudFront
- IP address
- 3.164.182.33
- ASN
- AS16509 (AMAZON-02 - Amazon.com, Inc., US)
DNS records
| Type | Value |
|---|---|
| A |
|
| AAAA | — |
| MX | — |
| TXT |
|
| NS | — |
| CAA | — |
| CNAME | — |
| IPv6 support | No |
TLS / SSL certificate
- Version
- TLS 1.3
- Issuer
- Amazon
- Subject
- www.callsign.com
- Valid from
- Apr 28, 2026
- Valid to
- Nov 11, 2026
- Days until expiry
- 109
- SAN domains
- www.callsign.com, *.trustsrv.io, callsign.com, pathway.callsign.com
Security headers
- Strict-Transport-SecurityEnabled
- Content-Security-PolicyEnabled
- X-Frame-OptionsEnabled
- X-Content-Type-OptionsEnabled
- Referrer-PolicyEnabled
- Permissions-PolicyEnabled
Compression: gzip · 0 cookie(s) observed
Content & assets
Headings
H1 1 · H2 12 · H3 0
Links
43 internal · 5 external · 0 broken
Images
13 total · 0 missing alt
Scripts / Styles
5 scripts · 2 stylesheets
JS / CSS size
283 KB · 302 KB
Page size
147 KB
Robots.txt & Sitemap
- robots.txt
- Found
- Disallow rules
- 20
- sitemap.xml
- Found
- URLs in sitemap
- -1
SEO issues
- No structured data (JSON-LD) found
Accessibility issues
No accessibility issues detected.
Careers
This company has an active careers page, but individual openings weren't reliably parsed from it — visit the page above for current listings.
Scan details
- Requested URL
- https://callsign.com
- Final URL
- https://www.callsign.com/
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 245 ms
- HTML size
- 147 KB
- Redirect chain
- https://callsign.com → https://www.callsign.com/
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Frequently asked questions
- What technology does callsign.com use?
- We did not detect any specific technologies for callsign.com in the latest scan.
- Is callsign.com secure (HTTPS)?
- Yes. callsign.com uses TLS 1.3 with a certificate issued by Amazon, valid until Nov 11, 2026.
- Who hosts callsign.com?
- callsign.com is hosted on AWS, behind CloudFront CDN.
- What is callsign.com's SEO score?
- callsign.com scored 90/100 for SEO in the latest analysis (excellent).
- What is callsign.com's overall website score?
- callsign.com has an overall SiteGraph score of 95/100, combining SEO, performance, security, and accessibility.
- Is callsign.com hiring?
- callsign.com has a careers page; check it directly for current openings.
OpenGraph & Twitter Card
OpenGraph
Twitter Card