Tools & Wizards About Us

Report Summary

  • 99

    Performance

    Renders faster than
    96% of other websites

  • 81

    Accessibility

    Visual factors better than
    that of 51% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

mirror.ac.za

TENET Mirror Service — TENET South Africa

Page Load Speed

3.3 sec in total

First Response

845 ms

Resources Loaded

2.3 sec

Page Rendered

144 ms

About Website

Visit mirror.ac.za now to see the best up-to-date Mirror content for South Africa and also check out these interesting facts you probably never knew about mirror.ac.za

Local copies of popular open-source software. Brought to you by TENET.

Visit mirror.ac.za

Key Findings

We analyzed Mirror.ac.za page load time and found that the first response time was 845 ms and then it took 2.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Performance Metrics

mirror.ac.za performance score

99

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.2 s

99/100

10%

LCP (Largest Contentful Paint)

Value1.2 s

100/100

25%

SI (Speed Index)

Value2.8 s

95/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value1.2 s

100/100

10%

Network Requests Diagram

mirror.ac.za

845 ms

mirror.ac.za

950 ms

style.css

186 ms

tenet-logo.svg

369 ms

success.png

553 ms

Our browser made a total of 5 requests to load all elements on the main page. We found that all of those requests were addressed to Mirror.ac.za and no external sources were called. The less responsive or slowest element that took the longest time to load (950 ms) belongs to the original domain Mirror.ac.za.

Page Optimization Overview & Recommendations

Page size can be reduced by 29.9 kB (81%)

Content Size

36.8 kB

After Optimization

6.9 kB

  • HTML
  • Images
  • CSS

In fact, the total size of Mirror.ac.za main page is 36.8 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. Only 5% of websites need less resources to load. HTML takes 27.6 kB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 23.6 kB

  • Original 27.6 kB
  • After minification 22.7 kB
  • After compression 4.0 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 4.9 kB, which is 18% 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 23.6 kB or 86% of the original size.

Image Optimization

-33%

Potential reduce by 724 B

  • Original 2.2 kB
  • After minification 1.5 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, Mirror needs image optimization as it can save up to 724 B or 33% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

CSS Optimization

-79%

Potential reduce by 5.5 kB

  • Original 7.0 kB
  • After minification 4.9 kB
  • After compression 1.5 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. Mirror.ac.za needs all CSS files to be minified and compressed as it can save up to 5.5 kB or 79% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

3

After Optimization

3

  • Images
  • CSS

The browser has sent 3 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Mirror. According to our analytics all requests are already optimized.

Network Requests Diagram

Accessibility Review

mirror.ac.za accessibility score

81

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.

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

The document uses <meta http-equiv="refresh">

Best Practices

mirror.ac.za best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

SEO Factors

mirror.ac.za SEO score

100

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 Mirror.ac.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 Mirror.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

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