callsign.com
Fraud Prevention, Authentication and Intelligence - Callsign
Last scanned Aug 1, 2026, 7:00 PM · 20 views
Overall score
Excellent
Summary
Marking a new era in passive authentication, fraud prevention and intelligence. SEO is good (80/100) and accessibility is excellent (100/100). Security scores excellent (100/100) and performance excellent (100/100). 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.
Top issues to fix
4 issues found
No structured data (JSON-LD) found
SEOAdd JSON-LD (Organization, Article, Product…) to become eligible for rich results.
robots.txt not found
SEOPublish /robots.txt with a Sitemap: directive to guide crawlers.
sitemap.xml not found
SEOPublish an XML sitemap and reference it from robots.txt to speed up page discovery.
20 broken links on the page
SEOFix or remove broken links — they waste crawl budget and erode user trust.
SEO
3 issue(s) found
Performance
261 ms
Security
HTTPS & header checks
Accessibility
0 issue(s) found
Score history
-1 overall since Jul 25, 2026
- Overall
- 94
- SEO
- 80
- Security
- 100
- Performance
- 100
- Accessibility
- 100
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.
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
- —
- CDN provider
- CloudFront
- IP address
- —
- ASN
- —
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
- 102
- 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 · 20 broken
Images
13 total · 0 missing alt
Scripts / Styles
5 scripts · 2 stylesheets
JS / CSS size
697 B · 0 B
Page size
147 KB
Robots.txt & Sitemap
- robots.txt
- Not found
- Disallow rules
- 0
- sitemap.xml
- Not found
- URLs in sitemap
- 0
SEO issues
- No structured data (JSON-LD) found
- robots.txt not found
- sitemap.xml not found
Accessibility issues
No accessibility issues detected.
Scan details
- Requested URL
- https://callsign.com
- Final URL
- https://www.callsign.com/
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 258 ms
- HTML size
- 147 KB
- Redirect chain
- https://callsign.com → https://www.callsign.com/
See something wrong on this report? Request a correction
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?
- Hosting provider information for callsign.com is not available yet.
- What is callsign.com's SEO score?
- callsign.com scored 80/100 for SEO in the latest analysis (great).
- What is callsign.com's overall website score?
- callsign.com has an overall SiteGraph score of 94/100, combining SEO, performance, security, and accessibility.
- Has callsign.com's score changed over time?
- callsign.com's overall score has declined by 1 point (from 95 to 94) since Jul 25, 2026.
OpenGraph & Twitter Card
OpenGraph
Twitter Card