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SGSiteGraph

callsign.com

Fraud Prevention, Authentication and Intelligence - Callsign

Last scanned Jul 25, 2026, 6:25 PM · 9 views

95

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

    SEO

    Add JSON-LD (Organization, Article, Product…) to become eligible for rich results.

90

SEO

1 issue(s) found

90

Performance

248 ms

100

Security

HTTPS & header checks

100

Accessibility

0 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.

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

OpenGraph & Twitter Card

OpenGraph

og:title
Fraud Prevention, Authentication and Intelligence - Callsign
og:description
Marking a new era in passive authentication, fraud prevention and intelligence. We make digital identity simple and more secure.
og:type
website
og:url
https://www.callsign.com/

Twitter Card

twitter:card
summary_large_image
twitter:title
Fraud Prevention, Authentication and Intelligence - Callsign
twitter:description
Marking a new era in passive authentication, fraud prevention and intelligence. We make digital identity simple and more secure.

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

TypeValue
A
  • 3.164.182.33
  • 3.164.182.30
  • 3.164.182.114
  • 3.164.182.78
AAAA
MX
TXT
  • d3v3gtqvzqx269.cloudfront.net
NS
CAA
CNAME
IPv6 supportNo

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

View careers page

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.