Tools & Wizards About Us
ubuntu-manual.org screenshot

Report Summary

  • 95

    Performance

    Renders faster than
    93% of other websites

  • 82

    Accessibility

    Visual factors better than
    that of 52% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 62

    SEO

    Google-friendlier than
    23% of websites

ubuntu-manual.org

Ubuntu Manual - Home

Page Load Speed

454 ms in total

First Response

156 ms

Resources Loaded

224 ms

Page Rendered

74 ms

ubuntu-manual.org screenshot

About Website

Welcome to ubuntu-manual.org homepage info - get ready to check Ubuntu Manual best content for Algeria right away, or after learning these important things about ubuntu-manual.org

Getting Started with Ubuntu 12.10 is a free, comprehensive beginner’s guide for the Ubuntu operating system.

Visit ubuntu-manual.org

Key Findings

We analyzed Ubuntu-manual.org page load time and found that the first response time was 156 ms and then it took 298 ms to load all DOM resources and completely render a web page. This is an excellent result, as only 5% of websites can load faster.

Performance Metrics

ubuntu-manual.org performance score

95

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.3 s

98/100

10%

LCP (Largest Contentful Paint)

Value2.8 s

82/100

25%

SI (Speed Index)

Value1.5 s

100/100

10%

TBT (Total Blocking Time)

Value30 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value3.4 s

93/100

10%

Network Requests Diagram

ubuntu-manual.org

156 ms

style.css

7 ms

jquery.js

13 ms

jquery.cycle.lite.min.js

10 ms

countdown.js

12 ms

Our browser made a total of 21 requests to load all elements on the main page. We found that 90% of them (19 requests) were addressed to the original Ubuntu-manual.org, 10% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (156 ms) belongs to the original domain Ubuntu-manual.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 92.9 kB (33%)

Content Size

283.4 kB

After Optimization

190.5 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Ubuntu-manual.org main page is 283.4 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. 25% of websites need less resources to load. Images take 162.2 kB which makes up the majority of the site volume.

HTML Optimization

-71%

Potential reduce by 8.5 kB

  • Original 12.0 kB
  • After minification 10.5 kB
  • After compression 3.5 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. This page needs HTML code to be minified as it can gain 1.5 kB, which is 12% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 8.5 kB or 71% of the original size.

Image Optimization

-14%

Potential reduce by 22.6 kB

  • Original 162.2 kB
  • After minification 139.6 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, Ubuntu Manual needs image optimization as it can save up to 22.6 kB or 14% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-58%

Potential reduce by 61.1 kB

  • Original 106.1 kB
  • After minification 90.0 kB
  • After compression 45.0 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 61.1 kB or 58% of the original size.

CSS Optimization

-22%

Potential reduce by 657 B

  • Original 3.0 kB
  • After minification 3.0 kB
  • After compression 2.4 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. Ubuntu-manual.org needs all CSS files to be minified and compressed as it can save up to 657 B or 22% of the original size.

Requests Breakdown

Number of requests can be reduced by 4 (20%)

Requests Now

20

After Optimization

16

  • Images
  • JavaScript
  • CSS

The browser has sent 20 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Ubuntu Manual. 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 as a result speed up the page load time.

Network Requests Diagram

ubuntu-manual.org

ubuntu-manual.org

156 ms

style.css

style.css

7 ms

jquery.js

jquery.js

13 ms

jquery.cycle.lite.min.js

jquery.cycle.lite.min.js

10 ms

countdown.js

countdown.js

12 ms

jquery.corner.js

jquery.corner.js

10 ms

ga.js

ga.js

21 ms

header.png

header.png

18 ms

down.jpg

down.jpg

19 ms

facebook.png

facebook.png

16 ms

twitter.png

twitter.png

18 ms

navbar.png

navbar.png

17 ms

IconHome.gif

IconHome.gif

19 ms

website-star.png

website-star.png

19 ms

1.png

1.png

20 ms

2.png

2.png

19 ms

3.png

3.png

20 ms

4.png

4.png

21 ms

overlay-focus.png

overlay-focus.png

20 ms

ubuntu-logo.png

ubuntu-logo.png

21 ms

__utm.gif

__utm.gif

12 ms

Accessibility Review

ubuntu-manual.org accessibility score

82

Accessibility Issues

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.

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 valid value for its [lang] attribute.

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

Links do not have a discernible name

Best Practices

ubuntu-manual.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

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

ubuntu-manual.org SEO score

62

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

Links are not crawlable

High

robots.txt is not valid

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 Ubuntu-manual.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 Ubuntu-manual.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

ubuntu-manual.org

Open Graph description is not detected on the main page of Ubuntu Manual. 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: