What technology does cal.com use?

We did not detect any specific technologies for cal.com in the latest scan.

Is cal.com secure (HTTPS)?

Yes. cal.com uses TLS 1.3 with a certificate issued by Google Trust Services, valid until Sep 14, 2026.

cal.com is hosted on Cloudflare, behind Cloudflare CDN.

What is cal.com's SEO score?

cal.com scored 90/100 for SEO in the latest analysis (excellent).

What is cal.com's overall website score?

cal.com has an overall SiteGraph score of 85/100, combining SEO, performance, security, and accessibility.

What products does cal.com offer?

cal.com offers Supercharged scheduling with AI-powered calls.

cal.com has a careers page; check it directly for current openings.

cal.com

Cal.com | Scheduling Software for Online Bookings

Last scanned Jul 25, 2026, 2:25 AM · 1 view

Overall score

Great

Summary

A fully customizable scheduling software for individuals, businesses taking calls and developers building scheduling platforms where users meet users. This website is hosted on Cloudflare. SEO is excellent (90/100) and accessibility is excellent (100/100). Security scores good (80/100) and performance fair (70/100). Top issue: No structured data (JSON-LD) found.

A fully customizable scheduling software for individuals, businesses taking calls and developers building scheduling platforms where users meet users.

United States

Hosted on Cloudflare

Products & pricing

Product and pricing information published in this site's own structured data.

Supercharged scheduling with AI-powered calls

$12 USD

Top issues to fix

5 issues found · 1 high priority

Missing Content-Security-Policy header
Security
Add a CSP to control which sources can run scripts — the strongest single defense against XSS.
Missing X-Frame-Options header
Security
Add X-Frame-Options (or a CSP frame-ancestors rule) to prevent clickjacking via hidden iframes.
No structured data (JSON-LD) found
SEO
Add JSON-LD (Organization, Article, Product…) to become eligible for rich results.
Heavy page (2.2 MB)
Performance
Aim for under 2 MB: compress images and split large JavaScript bundles.
1 broken link on the page
SEO
Fix or remove broken links — they waste crawl budget and erode user trust.

SEO

1 issue(s) found

Performance

173 ms

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.

A fully customizable scheduling software for individuals, businesses taking calls and developers building scheduling platforms where users meet users.

Contact

Email, phone, and address published on this site's own pages.

Email: support@cal.com

Meta tags

Title: Cal.com | Scheduling Software for Online Bookings
Description: A fully customizable scheduling software for individuals, businesses taking calls and developers building scheduling platforms where users meet users.
Canonical: https://cal.com/
Language: en
Charset: utf-8
Viewport: width=device-width
Robots meta: max-image-preview:large
Manifest: https://api.jsonbin.io/v3/b/69739405ae596e708ff0394c?meta=false

Technologies

Detected frameworks, languages, and tools.

No technologies detected.

Hosting & CDN

Hosting provider: Cloudflare
CDN provider: Cloudflare
IP address: 104.18.0.62
ASN: AS13335 (CLOUDFLARENET - Cloudflare, Inc., US)

DNS records

Type	Value
A	104.18.0.62 104.18.1.62
AAAA	2606:4700::6812:3e 2606:4700::6812:13e
MX	alt1.aspmx.l.google.com alt3.aspmx.l.google.com alt2.aspmx.l.google.com alt4.aspmx.l.google.com aspmx.l.google.com
TXT	—
NS	carter.ns.cloudflare.com linda.ns.cloudflare.com
CAA	—
CNAME	—
IPv6 support	Yes

TLS / SSL certificate

Version: TLS 1.3
Issuer: Google Trust Services
Subject: cal.com
Valid from: Jun 16, 2026
Valid to: Sep 14, 2026
Days until expiry: 51
SAN domains: cal.com, external.cal.com

Security headers

Strict-Transport-SecurityEnabled
Content-Security-PolicyMissing
X-Frame-OptionsMissing
X-Content-Type-OptionsEnabled
Referrer-PolicyMissing
Permissions-PolicyMissing

Compression: gzip · 1 cookie(s) observed

Content & assets

Headings

H1 1 · H2 20 · H3 21

Links

57 internal · 16 external · 1 broken

Images

183 total · 0 missing alt

Scripts / Styles

22 scripts · 0 stylesheets

JS / CSS size

48.8 KB · 443 KB

Page size

2.2 MB

Robots.txt & Sitemap

robots.txt: Found
Disallow rules: 4
sitemap.xml: Found
URLs in sitemap: -1

SEO issues

No structured data (JSON-LD) found

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.

Team

People listed on this site's own team or about page.

Guillermo Rauch

CEO, Vercel

Kent C. Dodds

Founder of EpicWeb.dev

Aria Minaei

CEO, Theatre.JS

Ant Wilson

Co-Founder & CTO, Supabase

Micah Friedland

CEO & Founder, Navi

Guillermo Rauch

CEO, Vercel

Kent C. Dodds

Founder of EpicWeb.dev

Aria Minaei

CEO, Theatre.JS

Ant Wilson

Co-Founder & CTO, Supabase

Micah Friedland

CEO & Founder, Navi

Guillermo Rauch

CEO, Vercel

Kent C. Dodds

Founder of EpicWeb.dev

Aria Minaei

CEO, Theatre.JS

Ant Wilson

Co-Founder & CTO, Supabase

Micah Friedland

CEO & Founder, Navi

Guillermo Rauch

CEO, Vercel

Kent C. Dodds

Founder of EpicWeb.dev

Aria Minaei

CEO, Theatre.JS

Ant Wilson

Co-Founder & CTO, Supabase

Micah Friedland

CEO & Founder, Navi

Guillermo Rauch

CEO, Vercel

Kent C. Dodds

Founder of EpicWeb.dev

Aria Minaei

CEO, Theatre.JS

Ant Wilson

Co-Founder & CTO, Supabase

Micah Friedland

CEO & Founder, Navi

Guillermo Rauch

CEO, Vercel

Kent C. Dodds

Founder of EpicWeb.dev

Aria Minaei

CEO, Theatre.JS

Ant Wilson

Co-Founder & CTO, Supabase

Micah Friedland

CEO & Founder, Navi

Scan details

Requested URL: https://cal.com
Final URL: https://cal.com
HTTP status: 200
HTTP version: HTTP/2
Response time: 127 ms
HTML size: 2.2 MB
Redirect chain: https://cal.com

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Frequently asked questions

What technology does cal.com use?: We did not detect any specific technologies for cal.com in the latest scan.
Is cal.com secure (HTTPS)?: Yes. cal.com uses TLS 1.3 with a certificate issued by Google Trust Services, valid until Sep 14, 2026.
Who hosts cal.com?: cal.com is hosted on Cloudflare, behind Cloudflare CDN.
What is cal.com's SEO score?: cal.com scored 90/100 for SEO in the latest analysis (excellent).
What is cal.com's overall website score?: cal.com has an overall SiteGraph score of 85/100, combining SEO, performance, security, and accessibility.
What products does cal.com offer?: cal.com offers Supercharged scheduling with AI-powered calls.
Is cal.com hiring?: cal.com has a careers page; check it directly for current openings.

Products & pricing

Top issues to fix

Organization

Contact

Meta tags

OpenGraph & Twitter Card

Technologies

Hosting & CDN

DNS records

TLS / SSL certificate

Security headers

Content & assets

Robots.txt & Sitemap

SEO issues

Accessibility issues

Careers

Team

Scan details

Related websites

Frequently asked questions