Tools & Wizards About Us
stemgames.org.au screenshot

Report Summary

  • 41

    Performance

    Renders faster than
    60% of other websites

  • 98

    Accessibility

    Visual factors better than
    that of 94% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 84

    SEO

    Google-friendlier than
    52% of websites

stemgames.org.au

Landing Page - Australian STEM Video Game Challenge

Page Load Speed

7.1 sec in total

First Response

1.1 sec

Resources Loaded

5.3 sec

Page Rendered

691 ms

stemgames.org.au screenshot

About Website

Click here to check amazing STEM Game S content for Australia. Otherwise, check out these important facts you probably never knew about stemgames.org.au

Visit stemgames.org.au

Key Findings

We analyzed Stemgames.org.au page load time and found that the first response time was 1.1 sec and then it took 6 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics

stemgames.org.au performance score

41

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.5 s

6/100

10%

LCP (Largest Contentful Paint)

Value17.7 s

0/100

25%

SI (Speed Index)

Value11.0 s

6/100

10%

TBT (Total Blocking Time)

Value380 ms

70/100

30%

CLS (Cumulative Layout Shift)

Value0.053

98/100

15%

TTI (Time to Interactive)

Value8.5 s

37/100

10%

Network Requests Diagram

www.stemgames.org.au

1113 ms

css2

53 ms

acer-bootstrap-5.3.0.min.css

1243 ms

acer-bootstrap-theme-5.3.0.min.css

1028 ms

aos.min.css

55 ms

Our browser made a total of 38 requests to load all elements on the main page. We found that 58% of them (22 requests) were addressed to the original Stemgames.org.au, 16% (6 requests) were made to Cdn.jsdelivr.net and 11% (4 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (2.1 sec) belongs to the original domain Stemgames.org.au.

Page Optimization Overview & Recommendations

Page size can be reduced by 87.3 kB (30%)

Content Size

295.5 kB

After Optimization

208.3 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Stemgames.org.au main page is 295.5 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. 50% of websites need less resources to load. CSS take 105.9 kB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 85.8 kB

  • Original 105.4 kB
  • After minification 90.7 kB
  • After compression 19.6 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 14.7 kB, which is 14% 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 85.8 kB or 81% of the original size.

Image Optimization

-2%

Potential reduce by 1.0 kB

  • Original 68.2 kB
  • After minification 67.2 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. STEM Game S images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 199 B

  • Original 16.1 kB
  • After minification 16.1 kB
  • After compression 15.9 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. This website has mostly compressed JavaScripts.

CSS Optimization

-0%

Potential reduce by 243 B

  • Original 105.9 kB
  • After minification 105.9 kB
  • After compression 105.6 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. Stemgames.org.au has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 18 (56%)

Requests Now

32

After Optimization

14

  • Images
  • JavaScript
  • CSS

The browser has sent 32 CSS, Javascripts, AJAX and image requests in order to completely render the main page of STEM Game S. 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 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

www.stemgames.org.au

www.stemgames.org.au

1113 ms

css2

css2

53 ms

acer-bootstrap-5.3.0.min.css

acer-bootstrap-5.3.0.min.css

1243 ms

acer-bootstrap-theme-5.3.0.min.css

acer-bootstrap-theme-5.3.0.min.css

1028 ms

aos.min.css

aos.min.css

55 ms

stem-2023.min.css

stem-2023.min.css

852 ms

jquery.min.js

jquery.min.js

64 ms

popper.min.js

popper.min.js

85 ms

bootstrap.min.js

bootstrap.min.js

104 ms

6d25cbcc1f.js

6d25cbcc1f.js

122 ms

js-cookie.min.js

js-cookie.min.js

834 ms

lazysizes.min.js

lazysizes.min.js

82 ms

aos.min.js

aos.min.js

69 ms

acer-bootstrap-theme.min.js

acer-bootstrap-theme.min.js

857 ms

cookie-consent.min.js

cookie-consent.min.js

853 ms

edit-pencils.min.js

edit-pencils.min.js

1646 ms

sticky-header.min.js

sticky-header.min.js

1654 ms

flyin-modal.min.js

flyin-modal.min.js

1069 ms

player.js

player.js

72 ms

iframe_api

iframe_api

66 ms

gtm.js

gtm.js

164 ms

stem-banner.svg

stem-banner.svg

1169 ms

stem-logo.svg

stem-logo.svg

682 ms

1x1.webp

1x1.webp

285 ms

harvesthaven.svg

harvesthaven.svg

1295 ms

chickenrampage.svg

chickenrampage.svg

1495 ms

oracular.svg

oracular.svg

1151 ms

elementary.svg

elementary.svg

1555 ms

battleofbatone.svg

battleofbatone.svg

2088 ms

remora.svg

remora.svg

1973 ms

elementalsandbox.jpg

elementalsandbox.jpg

1373 ms

technologene.jpg

technologene.jpg

2104 ms

www-widgetapi.js

www-widgetapi.js

20 ms

pxiEyp8kv8JHgFVrFJA.ttf

pxiEyp8kv8JHgFVrFJA.ttf

38 ms

pxiByp8kv8JHgFVrLGT9V1s.ttf

pxiByp8kv8JHgFVrLGT9V1s.ttf

70 ms

pxiByp8kv8JHgFVrLEj6V1s.ttf

pxiByp8kv8JHgFVrLEj6V1s.ttf

84 ms

pxiByp8kv8JHgFVrLDD4V1s.ttf

pxiByp8kv8JHgFVrLDD4V1s.ttf

85 ms

astro_boy_-_28de80_-_16756da2050f2a5c89512a94e3aea69904c7adb9.svg

astro_boy_-_28de80_-_16756da2050f2a5c89512a94e3aea69904c7adb9.svg

1227 ms

Accessibility Review

stemgames.org.au accessibility score

98

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

stemgames.org.au best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

stemgames.org.au SEO score

84

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

robots.txt is not valid

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

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Stemgames.org.au 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 Stemgames.org.au 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

stemgames.org.au

Open Graph description is not detected on the main page of STEM Game S. 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: