Report Summary

  • 0

    Performance

  • 0

    Accessibility

  • 0

    Best Practices

  • 0

    SEO

nzg.ac.za

National Zoological Garden, Pretoria – SANBI

Page Load Speed

31.8 sec in total

First Response

5 sec

Resources Loaded

26.4 sec

Page Rendered

341 ms

nzg.ac.za screenshot

About Website

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

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Key Findings

We analyzed Nzg.ac.za page load time and found that the first response time was 5 sec and then it took 26.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster.

Performance Metrics

nzg.ac.za performance score

0

Network Requests Diagram

nzg.ac.za

4993 ms

html5gallery.js

5147 ms

stylesheet.css

2253 ms

style.css

1976 ms

jquery.js

4306 ms

Our browser made a total of 81 requests to load all elements on the main page. We found that 51% of them (41 requests) were addressed to the original Nzg.ac.za, 11% (9 requests) were made to Google.com and 11% (9 requests) were made to Pbs.twimg.com. The less responsive or slowest element that took the longest time to load (20.1 sec) belongs to the original domain Nzg.ac.za.

Page Optimization Overview & Recommendations

Page size can be reduced by 237.0 kB (6%)

Content Size

4.0 MB

After Optimization

3.8 MB

In fact, the total size of Nzg.ac.za main page is 4.0 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. 55% of websites need less resources to load. Images take 3.9 MB which makes up the majority of the site volume.

HTML Optimization

-8%

Potential reduce by 10 B

  • Original 121 B
  • After minification 121 B
  • After compression 111 B

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. This web page is already compressed.

Image Optimization

-4%

Potential reduce by 166.8 kB

  • Original 3.9 MB
  • After minification 3.7 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. Nzg images are well optimized though.

JavaScript Optimization

-57%

Potential reduce by 59.8 kB

  • Original 105.5 kB
  • After minification 91.3 kB
  • After compression 45.6 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 59.8 kB or 57% of the original size.

CSS Optimization

-79%

Potential reduce by 10.4 kB

  • Original 13.1 kB
  • After minification 10.1 kB
  • After compression 2.7 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. Nzg.ac.za needs all CSS files to be minified and compressed as it can save up to 10.4 kB or 79% of the original size.

Requests Breakdown

Number of requests can be reduced by 27 (37%)

Requests Now

73

After Optimization

46

The browser has sent 73 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Nzg. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 15 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

SEO Factors

nzg.ac.za SEO score

0

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    N/A

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Nzg.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 Nzg.ac.za main page’s claimed encoding is . 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.

Social Sharing Optimization

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