Tools & Wizards About Us
vdc.edu.au screenshot

Report Summary

  • 74

    Performance

    Renders faster than
    83% of other websites

  • 96

    Accessibility

    Visual factors better than
    that of 88% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

vdc.edu.au

VET Development Centre Melbourne Vocational Education & Training

Page Load Speed

5.3 sec in total

First Response

453 ms

Resources Loaded

4.5 sec

Page Rendered

321 ms

vdc.edu.au screenshot

About Website

Welcome to vdc.edu.au homepage info - get ready to check Vdc best content right away, or after learning these important things about vdc.edu.au

The VET Development Centre (VDC) was established in 2005 by the Victorian Government to promote the development and raise the professional standing of people working in the Australian Vocational Educa...

Visit vdc.edu.au

Key Findings

We analyzed Vdc.edu.au page load time and found that the first response time was 453 ms and then it took 4.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

vdc.edu.au performance score

74

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.1 s

46/100

10%

LCP (Largest Contentful Paint)

Value4.3 s

41/100

25%

SI (Speed Index)

Value4.8 s

67/100

10%

TBT (Total Blocking Time)

Value150 ms

95/100

30%

CLS (Cumulative Layout Shift)

Value0.007

100/100

15%

TTI (Time to Interactive)

Value3.4 s

93/100

10%

Network Requests Diagram

vdc.edu.au

453 ms

vdc.edu.au

1466 ms

lazyload.min.js

223 ms

fa-solid-900.woff

657 ms

fa-regular-400.woff

861 ms

Our browser made a total of 29 requests to load all elements on the main page. We found that all of those requests were addressed to Vdc.edu.au and no external sources were called. The less responsive or slowest element that took the longest time to load (2.4 sec) belongs to the original domain Vdc.edu.au.

Page Optimization Overview & Recommendations

Page size can be reduced by 395.1 kB (9%)

Content Size

4.4 MB

After Optimization

4.0 MB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Vdc.edu.au main page is 4.4 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. 45% of websites need less resources to load. Images take 3.9 MB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 331.6 kB

  • Original 403.7 kB
  • After minification 397.4 kB
  • After compression 72.1 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 331.6 kB or 82% of the original size.

Image Optimization

-2%

Potential reduce by 63.5 kB

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

JavaScript Optimization

-0%

Potential reduce by 4 B

  • Original 3.3 kB
  • After minification 3.3 kB
  • After compression 3.3 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.

Requests Breakdown

We found no issues to fix!

Requests Now

25

After Optimization

25

  • Images
  • JavaScript

The browser has sent 25 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Vdc. According to our analytics all requests are already optimized.

Network Requests Diagram

vdc.edu.au

vdc.edu.au

453 ms

vdc.edu.au

vdc.edu.au

1466 ms

lazyload.min.js

lazyload.min.js

223 ms

fa-solid-900.woff

fa-solid-900.woff

657 ms

fa-regular-400.woff

fa-regular-400.woff

861 ms

Isolation_Mode.svg

Isolation_Mode.svg

449 ms

Property-1-Professional-Learning-1.png

Property-1-Professional-Learning-1.png

1506 ms

Propert-2-Funded-Opportunities-1.png

Propert-2-Funded-Opportunities-1.png

1506 ms

Property-1Property-3-Conference.png

Property-1Property-3-Conference.png

1291 ms

slide-5.png

slide-5.png

877 ms

Frame-127.png

Frame-127.png

663 ms

Frame-127-2.png

Frame-127-2.png

856 ms

pixel.png

pixel.png

884 ms

Frame-127-4.png

Frame-127-4.png

1073 ms

VSA_2021_Logo_BlackBlackText-300x76-1-1.png

VSA_2021_Logo_BlackBlackText-300x76-1-1.png

1099 ms

Logo-DJSIR.png

Logo-DJSIR.png

1106 ms

Unknown-1.png

Unknown-1.png

1289 ms

2022-classroom-image-Fellows.jpg

2022-classroom-image-Fellows.jpg

1540 ms

DSCF1072-1.jpg

DSCF1072-1.jpg

2206 ms

DSCF3443.jpg

DSCF3443.jpg

2362 ms

DSCF2819.jpg

DSCF2819.jpg

1934 ms

breakout-room.jpg

breakout-room.jpg

2150 ms

happy-group-image_2.jpg

happy-group-image_2.jpg

1937 ms

VDCLearn_LOGO_GRAD_POS-1.png

VDCLearn_LOGO_GRAD_POS-1.png

1762 ms

IMG-2.png

IMG-2.png

1987 ms

Screenshot-2023-11-17-at-3.35-1.png

Screenshot-2023-11-17-at-3.35-1.png

2153 ms

Flag_lockup_2.png

Flag_lockup_2.png

2153 ms

Group-25-1.png

Group-25-1.png

2208 ms

image-1-1.png

image-1-1.png

2365 ms

Accessibility Review

vdc.edu.au accessibility score

96

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.

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

Links do not have a discernible name

Best Practices

vdc.edu.au best practices score

92

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

SEO Factors

vdc.edu.au SEO score

83

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

Links do not have descriptive text

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 Vdc.edu.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 Vdc.edu.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

vdc.edu.au

Open Graph data is detected on the main page of Vdc. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: