Tools & Wizards About Us
experi.co.za screenshot

Report Summary

  • 22

    Performance

    Renders faster than
    40% of other websites

  • 65

    Accessibility

    Visual factors better than
    that of 31% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 69

    SEO

    Google-friendlier than
    28% of websites

experi.co.za

Experi-Maatjies | Experi-Buddies

Page Load Speed

4.9 sec in total

First Response

813 ms

Resources Loaded

3.9 sec

Page Rendered

172 ms

experi.co.za screenshot

About Website

Visit experi.co.za now to see the best up-to-date Experi content and also check out these interesting facts you probably never knew about experi.co.za

Experi-Buddies is an educational, extra-mural programme that uses experiments to show young children that the world of science can be fun. This is done by means of interactive projects, exciting demon...

Visit experi.co.za

Key Findings

We analyzed Experi.co.za page load time and found that the first response time was 813 ms and then it took 4.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

experi.co.za performance score

22

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.3 s

18/100

10%

LCP (Largest Contentful Paint)

Value5.0 s

27/100

25%

SI (Speed Index)

Value9.1 s

14/100

10%

TBT (Total Blocking Time)

Value1,320 ms

17/100

30%

CLS (Cumulative Layout Shift)

Value0.295

40/100

15%

TTI (Time to Interactive)

Value13.5 s

11/100

10%

Network Requests Diagram

experi.co.za

813 ms

desktop01.css

283 ms

jquery.js

1093 ms

jquery.cycle.all.2.74.js

818 ms

sbtooltip.css

835 ms

Our browser made a total of 45 requests to load all elements on the main page. We found that 69% of them (31 requests) were addressed to the original Experi.co.za, 9% (4 requests) were made to W.soundcloud.com and 4% (2 requests) were made to Youtube.com. The less responsive or slowest element that took the longest time to load (2 sec) belongs to the original domain Experi.co.za.

Page Optimization Overview & Recommendations

Page size can be reduced by 646.6 kB (37%)

Content Size

1.7 MB

After Optimization

1.1 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Experi.co.za main page is 1.7 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. 40% of websites need less resources to load. Images take 704.3 kB which makes up the majority of the site volume.

HTML Optimization

-74%

Potential reduce by 8.7 kB

  • Original 11.7 kB
  • After minification 11.6 kB
  • After compression 3.0 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. 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 8.7 kB or 74% of the original size.

Image Optimization

-2%

Potential reduce by 13.4 kB

  • Original 704.3 kB
  • After minification 690.9 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. Experi images are well optimized though.

JavaScript Optimization

-65%

Potential reduce by 250.6 kB

  • Original 385.4 kB
  • After minification 362.8 kB
  • After compression 134.8 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 250.6 kB or 65% of the original size.

CSS Optimization

-59%

Potential reduce by 374.0 kB

  • Original 629.1 kB
  • After minification 622.5 kB
  • After compression 255.2 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. Experi.co.za needs all CSS files to be minified and compressed as it can save up to 374.0 kB or 59% of the original size.

Requests Breakdown

Number of requests can be reduced by 19 (46%)

Requests Now

41

After Optimization

22

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 41 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Experi. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

experi.co.za

experi.co.za

813 ms

desktop01.css

desktop01.css

283 ms

jquery.js

jquery.js

1093 ms

jquery.cycle.all.2.74.js

jquery.cycle.all.2.74.js

818 ms

sbtooltip.css

sbtooltip.css

835 ms

jquery.sbtooltip.js

jquery.sbtooltip.js

834 ms

fancyzoom.js

fancyzoom.js

836 ms

jquery-ui.js

jquery-ui.js

10 ms

nestedAccordion.js

nestedAccordion.js

835 ms

bg01.png

bg01.png

1976 ms

logo01.png

logo01.png

292 ms

testtube.png

testtube.png

291 ms

chalkboard.svg

chalkboard.svg

553 ms

chalkboard.ttf

chalkboard.ttf

1376 ms

loadingOBA.gif

loadingOBA.gif

563 ms

slide01.jpg

slide01.jpg

834 ms

slide02.jpg

slide02.jpg

835 ms

slide03.jpg

slide03.jpg

1367 ms

slide04.jpg

slide04.jpg

1380 ms

slide05.jpg

slide05.jpg

1381 ms

slide06.jpg

slide06.jpg

1384 ms

slide07.jpg

slide07.jpg

1910 ms

video00.png

video00.png

286 ms

videoCCTV.png

videoCCTV.png

289 ms

ic-fb.png

ic-fb.png

289 ms

ic-tw.png

ic-tw.png

288 ms

ic-yt.png

ic-yt.png

557 ms

download01-01.png

download01-01.png

564 ms

video01.png

video01.png

558 ms

_5CnQvMgJaE

_5CnQvMgJaE

138 ms

133 ms

sopfresh.svg

sopfresh.svg

1638 ms

sopfresh.ttf

sopfresh.ttf

1642 ms

ga.js

ga.js

31 ms

closebox.png

closebox.png

535 ms

qhMFdcA4B4E

qhMFdcA4B4E

129 ms

__utm.gif

__utm.gif

12 ms

interstate-0ab59479718c8235122cad6b16a66953d725c43a.css

interstate-0ab59479718c8235122cad6b16a66953d725c43a.css

230 ms

widget-0511d506.css

widget-0511d506.css

115 ms

widget-d9304090.js

widget-d9304090.js

187 ms

www-embed-player-vflfNyN_r.css

www-embed-player-vflfNyN_r.css

46 ms

www-embed-player.js

www-embed-player.js

63 ms

Tqng9ngJVK4Gqvh3e602hP-HqlN49KFEUSDtmrOPmWo.js

Tqng9ngJVK4Gqvh3e602hP-HqlN49KFEUSDtmrOPmWo.js

89 ms

ad_status.js

ad_status.js

69 ms

logo_grey-377f1b9e.png

logo_grey-377f1b9e.png

31 ms

Accessibility Review

experi.co.za accessibility score

65

Accessibility Issues

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

Links do not have a discernible name

Best Practices

experi.co.za 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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

experi.co.za SEO score

69

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

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 Experi.co.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 Experi.co.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

experi.co.za

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