Tools & Wizards About Us
madibaz-radio.nmmu.ac.za screenshot

Report Summary

  • 22

    Performance

    Renders faster than
    42% of other websites

  • 63

    Accessibility

    Visual factors better than
    that of 38% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    29% of websites

  • 82

    SEO

    Google-friendlier than
    52% of websites

madibaz-radio.nmmu.ac.za

Home - Nelson Mandela University

Page Load Speed

16.4 sec in total

First Response

1.9 sec

Resources Loaded

13.1 sec

Page Rendered

1.5 sec

madibaz-radio.nmmu.ac.za screenshot

About Website

Visit madibaz-radio.nmmu.ac.za now to see the best up-to-date Madibaz Radio Nmmu content for South Africa and also check out these interesting facts you probably never knew about madibaz-radio.nmmu.ac.za

Nelson Mandela University is a South African university with campuses in the cities of Port Elizabeth and George.

Visit madibaz-radio.nmmu.ac.za

Key Findings

We analyzed Madibaz-radio.nmmu.ac.za page load time and found that the first response time was 1.9 sec and then it took 14.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

madibaz-radio.nmmu.ac.za performance score

22

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.8 s

11/100

10%

LCP (Largest Contentful Paint)

Value5.1 s

24/100

25%

SI (Speed Index)

Value17.1 s

0/100

10%

TBT (Total Blocking Time)

Value8,180 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value21.5 s

1/100

10%

Network Requests Diagram

madibaz-radio.nmmu.ac.za

1901 ms

madibaz-radio.mandela.ac.za

5128 ms

bootstrap.min.css

844 ms

bootstrap-cols.css

551 ms

sm-core-css.css

563 ms

Our browser made a total of 130 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Madibaz-radio.nmmu.ac.za, 40% (52 requests) were made to Madibaz-radio.mandela.ac.za and 15% (19 requests) were made to Static.xx.fbcdn.net. The less responsive or slowest element that took the longest time to load (5.1 sec) relates to the external source Madibaz-radio.mandela.ac.za.

Page Optimization Overview & Recommendations

Page size can be reduced by 577.3 kB (23%)

Content Size

2.5 MB

After Optimization

1.9 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Madibaz-radio.nmmu.ac.za main page is 2.5 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. 80% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 1.7 MB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 31.7 kB

  • Original 41.1 kB
  • After minification 36.7 kB
  • After compression 9.4 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 4.4 kB, which is 11% 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 31.7 kB or 77% of the original size.

Image Optimization

-2%

Potential reduce by 26.9 kB

  • Original 1.7 MB
  • After minification 1.7 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. Madibaz Radio Nmmu images are well optimized though.

JavaScript Optimization

-66%

Potential reduce by 308.1 kB

  • Original 464.4 kB
  • After minification 444.5 kB
  • After compression 156.2 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 308.1 kB or 66% of the original size.

CSS Optimization

-79%

Potential reduce by 210.6 kB

  • Original 265.2 kB
  • After minification 254.2 kB
  • After compression 54.7 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. Madibaz-radio.nmmu.ac.za needs all CSS files to be minified and compressed as it can save up to 210.6 kB or 79% of the original size.

Requests Breakdown

Number of requests can be reduced by 69 (58%)

Requests Now

120

After Optimization

51

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 120 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Madibaz Radio Nmmu. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 48 to 1 for JavaScripts and from 18 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

madibaz-radio.nmmu.ac.za

madibaz-radio.nmmu.ac.za

1901 ms

madibaz-radio.mandela.ac.za

madibaz-radio.mandela.ac.za

5128 ms

bootstrap.min.css

bootstrap.min.css

844 ms

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551 ms

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567 ms

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570 ms

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826 ms

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1128 ms

nmmu.css

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1413 ms

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Accessibility Review

madibaz-radio.nmmu.ac.za accessibility score

63

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 input fields do not have accessible names

High

Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.

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

[id] attributes on active, focusable elements are not unique

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

High

Links do not have a discernible name

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

madibaz-radio.nmmu.ac.za best practices score

58

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

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

madibaz-radio.nmmu.ac.za SEO score

82

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 Madibaz-radio.nmmu.ac.za 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 Madibaz-radio.nmmu.ac.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

madibaz-radio.nmmu.ac.za

Open Graph description is not detected on the main page of Madibaz Radio Nmmu. 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: