Tools & Wizards About Us
cdn.udoo.org screenshot

Report Summary

  • 2

    Performance

    Renders faster than
    20% of other websites

  • 73

    Accessibility

    Visual factors better than
    that of 38% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 84

    SEO

    Google-friendlier than
    52% of websites

cdn.udoo.org

UDOO Single Board Computer | X86 & ARM Powerful Arduino Mini PC

Page Load Speed

3.4 sec in total

First Response

25 ms

Resources Loaded

2.7 sec

Page Rendered

691 ms

cdn.udoo.org screenshot

About Website

Click here to check amazing Cdn UDOO content for United States. Otherwise, check out these important facts you probably never knew about cdn.udoo.org

UDOO is a family of Open Source Arduino-powered Mini PC and Single Board Computer, compatible with Windows, Android and any Linux Distro.

Visit cdn.udoo.org

Key Findings

We analyzed Cdn.udoo.org page load time and found that the first response time was 25 ms and then it took 3.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

cdn.udoo.org performance score

2

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value16.3 s

0/100

10%

LCP (Largest Contentful Paint)

Value40.5 s

0/100

25%

SI (Speed Index)

Value44.1 s

0/100

10%

TBT (Total Blocking Time)

Value25,890 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.538

14/100

15%

TTI (Time to Interactive)

Value52.6 s

0/100

10%

Network Requests Diagram

cdn.udoo.org

25 ms

www.udoo.org

85 ms

analytics.js

22 ms

font-awesome.css

20 ms

css

61 ms

Our browser made a total of 289 requests to load all elements on the main page. We found that 32% of them (93 requests) were addressed to the original Cdn.udoo.org, 39% (112 requests) were made to Udoo.org and 3% (9 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1 sec) relates to the external source Udoo.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.7 MB (33%)

Content Size

5.0 MB

After Optimization

3.4 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Cdn.udoo.org main page is 5.0 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. Only a small number of websites need less resources to load. Images take 3.0 MB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 132.9 kB

  • Original 164.7 kB
  • After minification 161.7 kB
  • After compression 31.8 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 132.9 kB or 81% of the original size.

Image Optimization

-6%

Potential reduce by 171.9 kB

  • Original 3.0 MB
  • After minification 2.9 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. Cdn UDOO images are well optimized though.

JavaScript Optimization

-66%

Potential reduce by 520.5 kB

  • Original 784.4 kB
  • After minification 756.8 kB
  • After compression 263.9 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 520.5 kB or 66% of the original size.

CSS Optimization

-82%

Potential reduce by 842.7 kB

  • Original 1.0 MB
  • After minification 931.4 kB
  • After compression 186.4 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. Cdn.udoo.org needs all CSS files to be minified and compressed as it can save up to 842.7 kB or 82% of the original size.

Requests Breakdown

Number of requests can be reduced by 99 (55%)

Requests Now

180

After Optimization

81

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 180 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Cdn UDOO. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 55 to 1 for JavaScripts and from 29 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

cdn.udoo.org

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25 ms

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tweet_button.b9740740e0bcf9b0657c5b11bd4388da.en.html

tweet_button.b9740740e0bcf9b0657c5b11bd4388da.en.html

63 ms

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61 ms

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60 ms

p.gif

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collect

collect

95 ms

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collect

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107 ms

cb=gapi.loaded_0

cb=gapi.loaded_0

61 ms

jot

jot

111 ms

Accessibility Review

cdn.udoo.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

[aria-*] attributes do not match their roles

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

cdn.udoo.org best practices score

67

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

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

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

cdn.udoo.org SEO score

84

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

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

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Cdn.udoo.org 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 Cdn.udoo.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

cdn.udoo.org

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