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cao.ac.za: CAO: Home

The CAO (Central Applications Office) is a one stop shop handling applications for certificate, undergraduate diploma and bachelor degree programmes at higher education institutions in KwaZulu-Natal (...

Page load speed analysis

  • 66/100

    Normal result
  • 6

    Successful tests
  • 2

    Failed tests
  • First response

    1.3 sec

  • Resources loaded

    3.7 sec

  • Page rendered

    153 ms

  • Total page load time

    5.2 sec

Click here to check amazing CAO content for South Africa. Otherwise, check out these important facts you probably never knew about cao.ac.za

We analyzed Cao.ac.za page load time and found that the first response time was 1.3 sec and then it took 3.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Page optimization

  • HTML 24.7 kB
    Images 195.5 kB
    Javascripts 677.3 kB
    CSS 140.0 kB

    In fact, the total size of Cao.ac.za main page is 1.0 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. 20% of websites need less resources to load. Javascripts take 677.3 kB which makes up the majority of the site volume.

    • Original 24.7 kB
    • After minification 22.1 kB
    • After compression 8.1 kB

    HTML optimization

    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 2.7 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 16.7 kB or 67% of the original size.

    • Original 195.5 kB
    • After optimization 155.6 kB

    Image optimization

    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, CAO needs image optimization as it can save up to 39.9 kB or 20% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

    • Original 677.3 kB
    • After minification 429.0 kB
    • After compression 106.5 kB

    JavaScript optimization

    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 570.8 kB or 84% of the original size.

    • Original 140.0 kB
    • After minification 98.8 kB
    • After compression 19.5 kB

    CSS optimization

    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. Cao.ac.za needs all CSS files to be minified and compressed as it can save up to 120.5 kB or 86% of the original size.

Network requests diagram

  • cao.ac.za
  • jquery-ui-1.8.20.custom.css
  • css-downloadgrid.css
  • jquery-1.7.2.js
  • jquery-ui.js
  • css-applicant.css
  • css-content.css
  • css-download.css
  • css-myapplication.css
  • css-StudyOptionsforMe.css
  • css-walkin.css
  • jquery-ui.css
  • WebResource.axd
  • masterpage.js
  • WebResource.axd
  • WebResource.axd
  • CAO_logo.gif
  • Dont_Know.png
  • My_Application.png
  • Institutions.png
  • facebook.png
  • twitter.png
  • Best_viewed_with_IE7_small.png
  • bg-nav.png
  • bg-nav-side.png
  • bg-three-column-main_Home.png
  • css-print.css

Our browser made a total of 27 requests to load all elements on the main page. We found that all of those requests were addressed to Cao.ac.za and no external sources were called. The less responsive or slowest element that took the longest time to load (1.8 sec) belongs to the original domain Cao.ac.za.

Additional info on cao.ac.za

Requests

The browser has sent 26 CSS, Javascripts, AJAX and image requests in order to completely render the main page of CAO. 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 from 10 to 1 for CSS and as a result speed up the page load time.

5

Javascripts

11

Images

10

CSS

26

All

Possible request optimization

1

Javascripts

11

Images

1

CSS

13

Optimized

13

All

Good result

IP address

This IP address is dedicated to Cao.ac.za. This is the best domain hosting practice .

Normal result

IP Trace

cao.ac.za

196.21.235.4

DNS records

Type Host Target/ip TTL Other
A

cao.ac.za

196.21.235.4 86400
NS

cao.ac.za

hcc-dc-03.local.ukzn.ac.za 86400
NS

cao.ac.za

ukzn-dns-3 0
NS

cao.ac.za

ukzn-dns-2.ukzn.ac.za 0
NS

cao.ac.za

hcc-dc-01 86400

Language and encoding

Poor result

Language

EN en language flag

Detected

N/A  language flag

Claimed

Encoding

ISO-8859-1

Claimed

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Cao.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 Cao.ac.za main page’s claimed encoding is iso-8859-1. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

HTTPS certificate

SSL Certificate

Cao.ac.za has no SSL certificate. Web browsing can be safer with HTTPS connection, so we suggest that it should be obtained for this site.

Normal result

Visitor World Map

Country of origin for 95.9% of all visits is South Africa. It’s good for Cao.ac.za that their server is also located in South Africa, as that enables the majority of their visitors to benefit from a much faster page load time.

Good result

Poor result

Social Sharing Optimization

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

cao.ac.za

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