Tools & Wizards About Us
linuxcertification.co.za screenshot

Report Summary

  • 28

    Performance

    Renders faster than
    48% of other websites

  • 82

    Accessibility

    Visual factors better than
    that of 52% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 93

    SEO

    Google-friendlier than
    83% of websites

linuxcertification.co.za

Linux Certification Training - Linux Certification

Page Load Speed

2.2 sec in total

First Response

209 ms

Resources Loaded

1.7 sec

Page Rendered

281 ms

linuxcertification.co.za screenshot

About Website

Click here to check amazing Linux Certification content. Otherwise, check out these important facts you probably never knew about linuxcertification.co.za

Get Linux certified with LPI or Linux Foundation and become a Suse, Ubuntu or Redhat administrator. We are official Linux Professional Institute and Linux Foundation Training training partners. From L...

Visit linuxcertification.co.za

Key Findings

We analyzed Linuxcertification.co.za page load time and found that the first response time was 209 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

linuxcertification.co.za performance score

28

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.4 s

38/100

10%

LCP (Largest Contentful Paint)

Value8.3 s

2/100

25%

SI (Speed Index)

Value5.2 s

60/100

10%

TBT (Total Blocking Time)

Value2,620 ms

4/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value11.4 s

19/100

10%

Network Requests Diagram

linuxcertification.co.za

209 ms

linuxcertification.co.za

420 ms

clay.css

483 ms

combo

343 ms

loader.js

297 ms

Our browser made a total of 23 requests to load all elements on the main page. We found that 65% of them (15 requests) were addressed to the original Linuxcertification.co.za, 9% (2 requests) were made to Google.com and 9% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (624 ms) belongs to the original domain Linuxcertification.co.za.

Page Optimization Overview & Recommendations

Page size can be reduced by 115.4 kB (21%)

Content Size

543.7 kB

After Optimization

428.3 kB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Linuxcertification.co.za main page is 543.7 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. 35% of websites need less resources to load. Javascripts take 363.6 kB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 112.1 kB

  • Original 135.9 kB
  • After minification 128.9 kB
  • After compression 23.8 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 112.1 kB or 82% of the original size.

Image Optimization

-5%

Potential reduce by 2.1 kB

  • Original 44.2 kB
  • After minification 42.0 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. Linux Certification images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 1.1 kB

  • Original 363.6 kB
  • After minification 363.6 kB
  • After compression 362.5 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 (58%)

Requests Now

19

After Optimization

8

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 19 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Linux Certification. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

linuxcertification.co.za

linuxcertification.co.za

209 ms

linuxcertification.co.za

linuxcertification.co.za

420 ms

clay.css

clay.css

483 ms

combo

combo

343 ms

loader.js

loader.js

297 ms

combo

combo

624 ms

main.css

main.css

371 ms

main.css

main.css

76 ms

main.css

main.css

93 ms

api.js

api.js

33 ms

main.js

main.js

348 ms

analytics.js

analytics.js

46 ms

matomo.js

matomo.js

530 ms

powered-by-jumping-bean-1-png

powered-by-jumping-bean-1-png

218 ms

powered-by-jumping-bean-footer.png

powered-by-jumping-bean-footer.png

76 ms

icons.svg

icons.svg

288 ms

viga-regular-webfont.woff

viga-regular-webfont.woff

269 ms

collect

collect

16 ms

recaptcha__en.js

recaptcha__en.js

34 ms

collect

collect

125 ms

js

js

62 ms

fontawesome-alloy.woff

fontawesome-alloy.woff

351 ms

ga-audiences

ga-audiences

106 ms

Accessibility Review

linuxcertification.co.za accessibility score

82

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]s are not contained by their required parent element

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

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>).

Best Practices

linuxcertification.co.za 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

linuxcertification.co.za SEO score

93

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

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 Linuxcertification.co.za 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 Linuxcertification.co.za 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

linuxcertification.co.za

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