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cycle.js.org screenshot

Report Summary

  • 61

    Performance

    Renders faster than
    76% of other websites

  • 73

    Accessibility

    Visual factors better than
    that of 39% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 88

    SEO

    Google-friendlier than
    66% of websites

cycle.js.org

Cycle.js

Page Load Speed

1.2 sec in total

First Response

87 ms

Resources Loaded

484 ms

Page Rendered

622 ms

cycle.js.org screenshot

About Website

Visit cycle.js.org now to see the best up-to-date Cycle Js content for United States and also check out these interesting facts you probably never knew about cycle.js.org

A functional and reactive JavaScript framework for predictable code

Visit cycle.js.org

Key Findings

We analyzed Cycle.js.org page load time and found that the first response time was 87 ms and then it took 1.1 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 20% of websites can load faster.

Performance Metrics

cycle.js.org performance score

61

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.2 s

78/100

10%

LCP (Largest Contentful Paint)

Value5.8 s

15/100

25%

SI (Speed Index)

Value2.8 s

96/100

10%

TBT (Total Blocking Time)

Value340 ms

74/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value10.3 s

24/100

10%

Network Requests Diagram

cycle.js.org

87 ms

main.css

36 ms

css

97 ms

css

106 ms

font-awesome.min.css

24 ms

Our browser made a total of 26 requests to load all elements on the main page. We found that 19% of them (5 requests) were addressed to the original Cycle.js.org, 46% (12 requests) were made to Fonts.gstatic.com and 8% (2 requests) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (305 ms) relates to the external source Sidecar.gitter.im.

Page Optimization Overview & Recommendations

Page size can be reduced by 144.7 kB (67%)

Content Size

216.1 kB

After Optimization

71.4 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Cycle.js.org main page is 216.1 kB. 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. Javascripts take 104.3 kB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 43.7 kB

  • Original 55.7 kB
  • After minification 51.9 kB
  • After compression 12.0 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 43.7 kB or 78% of the original size.

Image Optimization

-25%

Potential reduce by 4.7 kB

  • Original 18.7 kB
  • After minification 14.0 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, Cycle Js needs image optimization as it can save up to 4.7 kB or 25% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-65%

Potential reduce by 67.4 kB

  • Original 104.3 kB
  • After minification 100.6 kB
  • After compression 36.9 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 67.4 kB or 65% of the original size.

CSS Optimization

-77%

Potential reduce by 28.9 kB

  • Original 37.4 kB
  • After minification 35.8 kB
  • After compression 8.5 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. Cycle.js.org needs all CSS files to be minified and compressed as it can save up to 28.9 kB or 77% of the original size.

Requests Breakdown

Number of requests can be reduced by 7 (54%)

Requests Now

13

After Optimization

6

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 13 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Cycle Js. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

cycle.js.org

cycle.js.org

87 ms

main.css

main.css

36 ms

css

css

97 ms

css

css

106 ms

font-awesome.min.css

font-awesome.min.css

24 ms

embed.js

embed.js

43 ms

github-btn.html

github-btn.html

200 ms

example-hello-world.min.js

example-hello-world.min.js

183 ms

sidecar.v1.js

sidecar.v1.js

305 ms

cyclejs_logo.svg

cyclejs_logo.svg

180 ms

egghead.png

egghead.png

179 ms

analytics.js

analytics.js

28 ms

ODelI1aHBYDBqgeIAH2zlNzbP97U9sKh0jjxbPbfOKg.ttf

ODelI1aHBYDBqgeIAH2zlNzbP97U9sKh0jjxbPbfOKg.ttf

26 ms

toadOcfmlt9b38dHJxOBGMw1o1eFRj7wYC6JbISqOjY.ttf

toadOcfmlt9b38dHJxOBGMw1o1eFRj7wYC6JbISqOjY.ttf

26 ms

toadOcfmlt9b38dHJxOBGEMbjGELOEJD5J8DUmxkO-A.ttf

toadOcfmlt9b38dHJxOBGEMbjGELOEJD5J8DUmxkO-A.ttf

27 ms

toadOcfmlt9b38dHJxOBGNNE-IuDiR70wI4zXaKqWCM.ttf

toadOcfmlt9b38dHJxOBGNNE-IuDiR70wI4zXaKqWCM.ttf

141 ms

toadOcfmlt9b38dHJxOBGLsbIrGiHa6JIepkyt5c0A0.ttf

toadOcfmlt9b38dHJxOBGLsbIrGiHa6JIepkyt5c0A0.ttf

140 ms

M2Jd71oPJhLKp0zdtTvoM0DauxaEVho0aInXGvhmB4k.ttf

M2Jd71oPJhLKp0zdtTvoM0DauxaEVho0aInXGvhmB4k.ttf

140 ms

fpTVHK8qsXbIeTHTrnQH6Iue0YgdIF4L_q7PS4yTQOQ.ttf

fpTVHK8qsXbIeTHTrnQH6Iue0YgdIF4L_q7PS4yTQOQ.ttf

140 ms

fpTVHK8qsXbIeTHTrnQH6BzYcsdbdSWRnnT3pSZS3xU.ttf

fpTVHK8qsXbIeTHTrnQH6BzYcsdbdSWRnnT3pSZS3xU.ttf

141 ms

fpTVHK8qsXbIeTHTrnQH6EfrksRSinjQUrHtm_nW72g.ttf

fpTVHK8qsXbIeTHTrnQH6EfrksRSinjQUrHtm_nW72g.ttf

140 ms

fpTVHK8qsXbIeTHTrnQH6Edtd7Dq2ZflsctMEexj2lw.ttf

fpTVHK8qsXbIeTHTrnQH6Edtd7Dq2ZflsctMEexj2lw.ttf

140 ms

cycle-core

cycle-core

207 ms

collect

collect

78 ms

ZvcMqxEwPfh2qDWBPxn6nn06qf9KHRHwsVx7iw5MXmY.ttf

ZvcMqxEwPfh2qDWBPxn6nn06qf9KHRHwsVx7iw5MXmY.ttf

59 ms

RFda8w1V0eDZheqfcyQ4EInF5uFdDttMLvmWuJdhhgs.ttf

RFda8w1V0eDZheqfcyQ4EInF5uFdDttMLvmWuJdhhgs.ttf

57 ms

Accessibility Review

cycle.js.org accessibility score

73

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[role] values are not valid

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.

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

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

High

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

Best Practices

cycle.js.org best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

cycle.js.org SEO score

88

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

Image elements do not have [alt] attributes

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

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Cycle.js.org can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Cycle.js.org 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

cycle.js.org

Open Graph description is not detected on the main page of Cycle Js. Lack of Open Graph description can be counter-productive for their social media presence, as such a description allows converting a website homepage (or other pages) into good-looking, rich and well-structured posts, when it is being shared on Facebook and other social media. For example, adding the following code snippet into HTML <head> tag will help to represent this web page correctly in social networks: