Tools & Wizards About Us
calend.ly screenshot

Report Summary

  • 22

    Performance

    Renders faster than
    40% of other websites

  • 89

    Accessibility

    Visual factors better than
    that of 71% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

calend.ly

Free Online Appointment Scheduling Software | Calendly

Page Load Speed

2.3 sec in total

First Response

202 ms

Resources Loaded

1.4 sec

Page Rendered

619 ms

calend.ly screenshot

About Website

Visit calend.ly now to see the best up-to-date Calend content and also check out these interesting facts you probably never knew about calend.ly

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

Visit calend.ly

Key Findings

We analyzed Calend.ly page load time and found that the first response time was 202 ms and then it took 2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.

Performance Metrics

calend.ly performance score

22

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.9 s

54/100

10%

LCP (Largest Contentful Paint)

Value25.4 s

0/100

25%

SI (Speed Index)

Value10.4 s

8/100

10%

TBT (Total Blocking Time)

Value4,040 ms

1/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value25.4 s

0/100

10%

Network Requests Diagram

calend.ly

202 ms

calendly.com

392 ms

19947277778.js

60 ms

cbaf864379a71ae3.css

132 ms

fd9d1056-f17f06b5f49b17ab.js

90 ms

Our browser made a total of 80 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Calend.ly, 49% (39 requests) were made to Marketing-assets.calendly.com and 45% (36 requests) were made to Images.ctfassets.net. The less responsive or slowest element that took the longest time to load (493 ms) relates to the external source Marketing-assets.calendly.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 774.7 kB (22%)

Content Size

3.6 MB

After Optimization

2.8 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Calend.ly main page is 3.6 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 80% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 2.0 MB which makes up the majority of the site volume.

HTML Optimization

-87%

Potential reduce by 747.1 kB

  • Original 857.7 kB
  • After minification 857.7 kB
  • After compression 110.6 kB

HTML content can be minified and compressed by a website’s server. The most efficient way is to compress content using GZIP which reduces data amount travelling through the network between server and browser. HTML code on this page is well minified. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 747.1 kB or 87% of the original size.

Image Optimization

-1%

Potential reduce by 27.3 kB

  • Original 2.0 MB
  • After minification 1.9 MB

Image size optimization can help to speed up a website loading time. The chart above shows the difference between the size before and after optimization. Calend images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 328 B

  • Original 735.0 kB
  • After minification 735.0 kB
  • After compression 734.7 kB

It’s better to minify JavaScript in order to improve website performance. The diagram shows the current total size of all JavaScript files against the prospective JavaScript size after its minification and compression. This website has mostly compressed JavaScripts.

CSS Optimization

-0%

Potential reduce by 10 B

  • Original 2.3 kB
  • After minification 2.3 kB
  • After compression 2.3 kB

CSS files minification is very important to reduce a web page rendering time. The faster CSS files can load, the earlier a page can be rendered. Calend.ly has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 15 (20%)

Requests Now

74

After Optimization

59

  • Images
  • JavaScript
  • CSS

The browser has sent 74 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Calend. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 16 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

calend.ly

calend.ly

202 ms

calendly.com

calendly.com

392 ms

19947277778.js

19947277778.js

60 ms

cbaf864379a71ae3.css

cbaf864379a71ae3.css

132 ms

fd9d1056-f17f06b5f49b17ab.js

fd9d1056-f17f06b5f49b17ab.js

90 ms

7023-2410d52f83a3e77a.js

7023-2410d52f83a3e77a.js

95 ms

main-app-43c9c641be3b9874.js

main-app-43c9c641be3b9874.js

95 ms

2291-40e20221e91c10cb.js

2291-40e20221e91c10cb.js

96 ms

8039-b8d4e02b2e9d2fba.js

8039-b8d4e02b2e9d2fba.js

369 ms

7224-8e43cbf0b7172faf.js

7224-8e43cbf0b7172faf.js

164 ms

layout-233e2beb85d22667.js

layout-233e2beb85d22667.js

121 ms

layout-cd8615e510890522.js

layout-cd8615e510890522.js

368 ms

7a49ec60-5bbd31bb082c0efc.js

7a49ec60-5bbd31bb082c0efc.js

142 ms

0cc268aa-8660e9872589529e.js

0cc268aa-8660e9872589529e.js

157 ms

9678-ea9e9732d91b6396.js

9678-ea9e9732d91b6396.js

388 ms

page-aec04ddb33ff7659.js

page-aec04ddb33ff7659.js

383 ms

polyfills-78c92fac7aa8fdd8.js

polyfills-78c92fac7aa8fdd8.js

185 ms

webpack-05ba48bed726e5cc.js

webpack-05ba48bed726e5cc.js

358 ms

Calendly-Sales-new.png

Calendly-Sales-new.png

177 ms

help.svg

help.svg

268 ms

logo.svg

logo.svg

219 ms

hero-bkg-half-no-margin.png

hero-bkg-half-no-margin.png

175 ms

share-booking-page.8c823995.png

share-booking-page.8c823995.png

203 ms

reduce-no-shows.82b92664.png

reduce-no-shows.82b92664.png

179 ms

smith-ai-logo.svg

smith-ai-logo.svg

269 ms

hackerone-logo.svg

hackerone-logo.svg

266 ms

airtable-logo.svg

airtable-logo.svg

203 ms

ci-assante-logo.svg

ci-assante-logo.svg

295 ms

texas-logo.svg

texas-logo.svg

390 ms

bitly-logo.svg

bitly-logo.svg

343 ms

connect-your-calendars.png

connect-your-calendars.png

323 ms

add-your-availability.png

add-your-availability.png

362 ms

connect-conferencing-tools.png

connect-conferencing-tools.png

488 ms

customize-event-types.png

customize-event-types.png

317 ms

share-scheduling-link.png

share-scheduling-link.png

396 ms

browser-extensions.png

browser-extensions.png

425 ms

automated-workflows.png

automated-workflows.png

373 ms

routing-forms.png

routing-forms.png

493 ms

round-robin-event-type.png

round-robin-event-type.png

402 ms

admin-management.png

admin-management.png

417 ms

Calendly-Demand-Gen.png

Calendly-Demand-Gen.png

139 ms

Calendly-Customer-Success.png

Calendly-Customer-Success.png

122 ms

Calendly-Recruiting.png

Calendly-Recruiting.png

124 ms

Calendly-IT.png

Calendly-IT.png

122 ms

Calendly-Education.png

Calendly-Education.png

126 ms

Zoom.svg

Zoom.svg

120 ms

google-calendar.svg

google-calendar.svg

122 ms

Frame_29927.svg

Frame_29927.svg

129 ms

outlook.svg

outlook.svg

125 ms

gmail-icon.svg

gmail-icon.svg

127 ms

Chrome.svg

Chrome.svg

128 ms

saleforce.svg

saleforce.svg

136 ms

hubspot.svg

hubspot.svg

136 ms

slack-logo-icon.svg

slack-logo-icon.svg

138 ms

activecampaign-logo-icon.svg

activecampaign-logo-icon.svg

139 ms

webex-logomark-01.svg

webex-logomark-01.svg

146 ms

zapier-icon.svg

zapier-icon.svg

139 ms

Logomark.svg

Logomark.svg

143 ms

linkedin.svg

linkedin.svg

140 ms

stripe-logo.svg

stripe-logo.svg

143 ms

Logomark.svg

Logomark.svg

142 ms

Typeform-Icon.svg

Typeform-Icon.svg

151 ms

intercom.svg

intercom.svg

151 ms

Calendly-Email-Embed-Recruiting.png

Calendly-Email-Embed-Recruiting.png

152 ms

Calendly-Round-Robin.png

Calendly-Round-Robin.png

167 ms

Calendly-Graph.png

Calendly-Graph.png

153 ms

Security-SOC.svg

Security-SOC.svg

160 ms

Security-DSS.svg

Security-DSS.svg

152 ms

Security-GDPR.svg

Security-GDPR.svg

155 ms

Security-CCPA.svg

Security-CCPA.svg

158 ms

Security-Star.svg

Security-Star.svg

164 ms

Sercurity-ISO-27001__1_.png

Sercurity-ISO-27001__1_.png

167 ms

smith-ai-customer-logo.svg

smith-ai-customer-logo.svg

167 ms

clickup-customer-logo.svg

clickup-customer-logo.svg

169 ms

hackerone-customer-logo.svg

hackerone-customer-logo.svg

168 ms

c961240f6e0cb057-s.p.woff

c961240f6e0cb057-s.p.woff

416 ms

7538d40b3ee19e6c-s.p.woff

7538d40b3ee19e6c-s.p.woff

342 ms

4409add9d9dd8f67-s.p.woff

4409add9d9dd8f67-s.p.woff

431 ms

2d784c2a010765ed-s.p.woff

2d784c2a010765ed-s.p.woff

431 ms

main.js

main.js

86 ms

Accessibility Review

calend.ly accessibility score

89

Accessibility Issues

Names and labels

These are opportunities to improve the semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

Buttons do not have an accessible name

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

Best Practices

calend.ly best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

calend.ly SEO score

86

Search Engine Optimization Advices

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Links do not have descriptive text

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

Mobile Friendly

Make sure your pages are mobile friendly so users don’t have to pinch or zoom in order to read the content pages. [Learn more](https://developers.google.com/search/mobile-sites/).

Impact

Issue

High

Document uses legible font sizes

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Calend.ly can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Calend.ly main page’s claimed encoding is utf-8. Use of this encoding format is the best practice as the main page visitors from all over the world won’t have any issues with symbol transcription.

Social Sharing Optimization

calend.ly

Open Graph data is detected on the main page of Calend. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: