Site Report · productivity

Last updated: May 12, 2026

Calendly Site Report

Our security and technology scan of Calendly reveals a Productivity website built on a custom-built platform. Traffic is routed through Cloudflare and handled by Cloudflare, while the front-end stack includes React, Google Analytics, and Next.js. Calendly achieves moderate load times (approximately 985 ms server response), as detailed in the full analysis below.

calendly.com

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Technology Stack

Technologies detected on Calendly

This site uses Cloudflare as the web server, Cloudflare for content delivery, Next.js on the server side, React for client-side functionality, and Google Analytics for visitor analytics.

Web Server

Cloudflare

CDN

Cloudflare

Frameworks

Next.js

JavaScript

React

Analytics

Google Analytics

SSL Certificate

Security status for Calendly

The SSL certificate is valid and issued by Let's Encrypt. It expires on August 7, 2026 (87 days remaining). The connection uses TLSv1.3.

Status

Valid

Issuer

Let's Encrypt

Expires

Aug 07, 2026

87 days remaining

Protocol

TLSv1.3

DNS Information

Domain name system records for Calendly

Nameservers

hope.ns.cloudflare.com

roan.ns.cloudflare.com

A Records

172.64.146.81 104.18.41.175

MX Records

aspmx.l.google.com

alt1.aspmx.l.google.com

alt2.aspmx.l.google.com

aspmx2.googlemail.com

aspmx3.googlemail.com

SPF Record

Present

DMARC Record

Present

Speed & Performance

Page load performance for Calendly

The site has an acceptable load time, though there is room for improvement. Our analysis measured a server response time of 985 ms, a total page size of approximately 1,197 KB, and 60 external resources loaded on the page.

Rating

medium

Response Time

985 ms

Page Size

1.2 MB

Resources

60 requests

SEO Meta Tags

Meta tag analysis for Calendly

The page title ("Free Online Appointment Scheduling Software | Cal…") is well-optimized at 54 characters, the meta description is a healthy 133 characters, Open Graph tags are fully configured for social sharing, and a canonical URL is properly set.

Title Tag

54 chars

Free Online Appointment Scheduling Software | Calendly

Meta Description

133 chars

Calendly is the modern scheduling platform that makes “finding time” a breeze. When connecting is easy, your teams can get more done.

Open Graph Tags

og:title Free Online Appointment Scheduling Software | Calendly

og:description Calendly is the modern scheduling platform that makes “finding time” a breeze. When connecting is easy, your teams can get more done.

og:image https://images.ctfassets.net/k0lk9kiuza3o/6sN1GkuaBoQ67Nhkqa8Hgn/bcefc60aa064f94237bac2524bad875c/homepage.png

Canonical URL

https://calendly.com

Mobile Friendliness

Mobile compatibility for Calendly

Overall

Mobile Friendly

Viewport Meta

Present

Responsive Design

Detected

Quick Overview

HTTP Status 200

Response Time 985 ms

SSL Valid

Speed medium

Mobile good

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