Tools & Wizards About Us

Report Summary

  • 48

    Performance

    Renders faster than
    66% of other websites

  • 94

    Accessibility

    Visual factors better than
    that of 83% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

vclass.knust.edu.gh

Home | Learning Resources

Page Load Speed

5.2 sec in total

First Response

836 ms

Resources Loaded

4.1 sec

Page Rendered

209 ms

About Website

Visit vclass.knust.edu.gh now to see the best up-to-date Vclass Knust content for Ghana and also check out these interesting facts you probably never knew about vclass.knust.edu.gh

Visit vclass.knust.edu.gh

Key Findings

We analyzed Vclass.knust.edu.gh page load time and found that the first response time was 836 ms and then it took 4.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

vclass.knust.edu.gh performance score

48

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value10.0 s

0/100

10%

LCP (Largest Contentful Paint)

Value10.5 s

0/100

25%

SI (Speed Index)

Value14.7 s

1/100

10%

TBT (Total Blocking Time)

Value50 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.014

100/100

15%

TTI (Time to Interactive)

Value10.3 s

25/100

10%

Network Requests Diagram

vclass.knust.edu.gh

836 ms

vclass.knust.edu.gh

902 ms

font-awesome.min.css

33 ms

css

49 ms

yui_combo.php

195 ms

Our browser made a total of 28 requests to load all elements on the main page. We found that 82% of them (23 requests) were addressed to the original Vclass.knust.edu.gh, 7% (2 requests) were made to Maxcdn.bootstrapcdn.com and 7% (2 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (1.2 sec) belongs to the original domain Vclass.knust.edu.gh.

Page Optimization Overview & Recommendations

Page size can be reduced by 279.5 kB (30%)

Content Size

946.8 kB

After Optimization

667.4 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Vclass.knust.edu.gh main page is 946.8 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. Images take 559.4 kB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 25.9 kB

  • Original 33.9 kB
  • After minification 32.7 kB
  • After compression 8.1 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 25.9 kB or 76% of the original size.

Image Optimization

-1%

Potential reduce by 3.6 kB

  • Original 559.4 kB
  • After minification 555.9 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. Vclass Knust images are well optimized though.

JavaScript Optimization

-70%

Potential reduce by 225.7 kB

  • Original 322.0 kB
  • After minification 314.3 kB
  • After compression 96.3 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 225.7 kB or 70% of the original size.

CSS Optimization

-77%

Potential reduce by 24.3 kB

  • Original 31.4 kB
  • After minification 30.5 kB
  • After compression 7.1 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. Vclass.knust.edu.gh needs all CSS files to be minified and compressed as it can save up to 24.3 kB or 77% of the original size.

Requests Breakdown

Number of requests can be reduced by 17 (74%)

Requests Now

23

After Optimization

6

  • Images
  • JavaScript
  • CSS

The browser has sent 23 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Vclass Knust. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

vclass.knust.edu.gh accessibility score

94

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

vclass.knust.edu.gh best practices score

75

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

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

vclass.knust.edu.gh SEO score

92

Search Engine Optimization Advices

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 Vclass.knust.edu.gh 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 Vclass.knust.edu.gh 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

Open Graph description is not detected on the main page of Vclass Knust. 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: