Tools & Wizards About Us
cardiosport.com screenshot

Report Summary

  • 41

    Performance

    Renders faster than
    60% of other websites

  • 84

    Accessibility

    Visual factors better than
    that of 56% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 91

    SEO

    Google-friendlier than
    70% of websites

cardiosport.com

Cardiosport: Heart Rate Monitors, Bike Computers and Sensors

Page Load Speed

4.2 sec in total

First Response

143 ms

Resources Loaded

4 sec

Page Rendered

84 ms

cardiosport.com screenshot

About Website

Click here to check amazing Cardiosport content. Otherwise, check out these important facts you probably never knew about cardiosport.com

Cardiosport is a brand and OEM in the sports technology industry. Manufacturing heart rate monitors, cycling sensors and computers for fitness fanatics worldwide.

Visit cardiosport.com

Key Findings

We analyzed Cardiosport.com page load time and found that the first response time was 143 ms and then it took 4.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

cardiosport.com performance score

41

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.4 s

71/100

10%

LCP (Largest Contentful Paint)

Value6.6 s

8/100

25%

SI (Speed Index)

Value10.3 s

8/100

10%

TBT (Total Blocking Time)

Value560 ms

53/100

30%

CLS (Cumulative Layout Shift)

Value0.052

99/100

15%

TTI (Time to Interactive)

Value16.0 s

6/100

10%

Network Requests Diagram

www.cardiosport.com

143 ms

minified.js

44 ms

focus-within-polyfill.js

93 ms

polyfill.min.js

1501 ms

thunderbolt-commons.01583709.bundle.min.js

71 ms

Our browser made a total of 79 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Cardiosport.com, 58% (46 requests) were made to Static.wixstatic.com and 22% (17 requests) were made to Static.parastorage.com. The less responsive or slowest element that took the longest time to load (1.6 sec) relates to the external source Static.wixstatic.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 583.7 kB (48%)

Content Size

1.2 MB

After Optimization

634.1 kB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Cardiosport.com main page is 1.2 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. 45% of websites need less resources to load. HTML takes 602.4 kB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 471.0 kB

  • Original 602.4 kB
  • After minification 600.7 kB
  • After compression 131.4 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 471.0 kB or 78% of the original size.

Image Optimization

-30%

Potential reduce by 109.1 kB

  • Original 364.1 kB
  • After minification 255.0 kB

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. Obviously, Cardiosport needs image optimization as it can save up to 109.1 kB or 30% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-1%

Potential reduce by 3.6 kB

  • Original 251.3 kB
  • After minification 251.3 kB
  • After compression 247.7 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.

Requests Breakdown

Number of requests can be reduced by 11 (18%)

Requests Now

62

After Optimization

51

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 62 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Cardiosport. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

www.cardiosport.com

www.cardiosport.com

143 ms

minified.js

minified.js

44 ms

focus-within-polyfill.js

focus-within-polyfill.js

93 ms

polyfill.min.js

polyfill.min.js

1501 ms

thunderbolt-commons.01583709.bundle.min.js

thunderbolt-commons.01583709.bundle.min.js

71 ms

main.68eafee5.bundle.min.js

main.68eafee5.bundle.min.js

75 ms

main.renderer.1d21f023.bundle.min.js

main.renderer.1d21f023.bundle.min.js

76 ms

lodash.min.js

lodash.min.js

76 ms

react.production.min.js

react.production.min.js

75 ms

react-dom.production.min.js

react-dom.production.min.js

76 ms

siteTags.bundle.min.js

siteTags.bundle.min.js

79 ms

wix-perf-measure.umd.min.js

wix-perf-measure.umd.min.js

79 ms

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239 ms

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504 ms

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426 ms

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568 ms

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252 ms

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468 ms

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497 ms

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457 ms

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665 ms

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647 ms

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736 ms

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696 ms

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733 ms

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747 ms

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815 ms

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854 ms

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970 ms

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933 ms

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945 ms

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973 ms

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1033 ms

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1077 ms

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1180 ms

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1149 ms

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1183 ms

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1119 ms

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1150 ms

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1313 ms

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1124 ms

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1366 ms

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1497 ms

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1155 ms

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1258 ms

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1412 ms

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1472 ms

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1600 ms

bundle.min.js

bundle.min.js

63 ms

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42 ms

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43 ms

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43 ms

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42 ms

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227 ms

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221 ms

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1328 ms

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1372 ms

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1210 ms

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1240 ms

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1273 ms

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1211 ms

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1237 ms

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1150 ms

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1149 ms

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1312 ms

deprecation-en.v5.html

deprecation-en.v5.html

7 ms

bolt-performance

bolt-performance

34 ms

deprecation-style.v5.css

deprecation-style.v5.css

9 ms

right-arrow.svg

right-arrow.svg

9 ms

Accessibility Review

cardiosport.com accessibility score

84

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

High

<frame> or <iframe> elements do not have a title

High

Links do not have a discernible name

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

Background and foreground colors do not have a sufficient contrast ratio.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Best Practices

cardiosport.com best practices score

92

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

Page has valid source maps

SEO Factors

cardiosport.com SEO score

91

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

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

High

Tap targets are not sized appropriately

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 Cardiosport.com 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 Cardiosport.com 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

cardiosport.com

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