Tools & Wizards About Us
whatson.sydney.edu.au screenshot

Report Summary

  • 7

    Performance

    Renders faster than
    22% of other websites

  • 87

    Accessibility

    Visual factors better than
    that of 67% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 90

    SEO

    Google-friendlier than
    68% of websites

whatson.sydney.edu.au

The University of Sydney - Event Calendar

Page Load Speed

14.5 sec in total

First Response

3.2 sec

Resources Loaded

11 sec

Page Rendered

206 ms

whatson.sydney.edu.au screenshot

About Website

Visit whatson.sydney.edu.au now to see the best up-to-date Whatson Sydney content for Australia and also check out these interesting facts you probably never knew about whatson.sydney.edu.au

Web site created using create-react-app

Visit whatson.sydney.edu.au

Key Findings

We analyzed Whatson.sydney.edu.au page load time and found that the first response time was 3.2 sec and then it took 11.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

whatson.sydney.edu.au performance score

7

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value7.0 s

1/100

10%

LCP (Largest Contentful Paint)

Value15.9 s

0/100

25%

SI (Speed Index)

Value16.5 s

0/100

10%

TBT (Total Blocking Time)

Value2,740 ms

3/100

30%

CLS (Cumulative Layout Shift)

Value0.297

40/100

15%

TTI (Time to Interactive)

Value19.8 s

2/100

10%

Network Requests Diagram

events

3245 ms

screen.css

1380 ms

screen-local_1.css

1819 ms

local-phoenix.css

1496 ms

mootools.min.js

2301 ms

Our browser made a total of 38 requests to load all elements on the main page. We found that 79% of them (30 requests) were addressed to the original Whatson.sydney.edu.au, 18% (7 requests) were made to Sydney.edu.au and 3% (1 request) were made to Ajax.googleapis.com. The less responsive or slowest element that took the longest time to load (3.2 sec) belongs to the original domain Whatson.sydney.edu.au.

Page Optimization Overview & Recommendations

Page size can be reduced by 357.9 kB (36%)

Content Size

982.2 kB

After Optimization

624.3 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Whatson.sydney.edu.au main page is 982.2 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. 15% of websites need less resources to load. Images take 585.5 kB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 39.0 kB

  • Original 48.4 kB
  • After minification 43.6 kB
  • After compression 9.4 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 39.0 kB or 81% of the original size.

Image Optimization

-9%

Potential reduce by 51.6 kB

  • Original 585.5 kB
  • After minification 533.9 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. Whatson Sydney images are well optimized though.

JavaScript Optimization

-74%

Potential reduce by 184.0 kB

  • Original 247.1 kB
  • After minification 227.9 kB
  • After compression 63.0 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 184.0 kB or 74% of the original size.

CSS Optimization

-82%

Potential reduce by 83.2 kB

  • Original 101.2 kB
  • After minification 79.4 kB
  • After compression 18.0 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. Whatson.sydney.edu.au needs all CSS files to be minified and compressed as it can save up to 83.2 kB or 82% of the original size.

Requests Breakdown

Number of requests can be reduced by 11 (30%)

Requests Now

37

After Optimization

26

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 37 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Whatson Sydney. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

events

events

3245 ms

screen.css

screen.css

1380 ms

screen-local_1.css

screen-local_1.css

1819 ms

local-phoenix.css

local-phoenix.css

1496 ms

mootools.min.js

mootools.min.js

2301 ms

jquery.min.js

jquery.min.js

75 ms

mootools-plugins.js

mootools-plugins.js

1235 ms

global-custom.js

global-custom.js

1003 ms

main-alumni-and-subcategory.js

main-alumni-and-subcategory.js

938 ms

local-phoenix.js

local-phoenix.js

1082 ms

js_calendar.js

js_calendar.js

1725 ms

featured-links.css

featured-links.css

1152 ms

university_sydney_logo.png

university_sydney_logo.png

216 ms

print.css

print.css

480 ms

apercu_light_pro.woff

apercu_light_pro.woff

840 ms

Blood-Year-C-format_100.jpg

Blood-Year-C-format_100.jpg

924 ms

DeJaeghere_brief.jpg

DeJaeghere_brief.jpg

463 ms

chris-hobson-headshot100x100..jpg

chris-hobson-headshot100x100..jpg

924 ms

100x100.jpg

100x100.jpg

1189 ms

SSF1_100x100.jpg

SSF1_100x100.jpg

477 ms

thumbnail.jpg

thumbnail.jpg

923 ms

Brian_Woodall.jpg

Brian_Woodall.jpg

1464 ms

2016-Tinel-Web.jpg

2016-Tinel-Web.jpg

956 ms

Mashaw_small.jpg

Mashaw_small.jpg

2311 ms

calendarcss.css

calendarcss.css

1387 ms

scope.json

scope.json

422 ms

get.php

get.php

435 ms

rss.gif

rss.gif

232 ms

brand-shot.jpg

brand-shot.jpg

721 ms

Blood-year_736.jpg

Blood-year_736.jpg

1840 ms

Anne_Marie_Slaughter_736x220.png

Anne_Marie_Slaughter_736x220.png

1848 ms

butlerredo.jpg

butlerredo.jpg

1702 ms

SSF2_736x200.jpg

SSF2_736x200.jpg

2427 ms

grey_caret.gif

grey_caret.gif

1207 ms

border1.png

border1.png

1327 ms

border2.png

border2.png

1685 ms

loading.gif

loading.gif

1808 ms

search_scope_button_inverse.png

search_scope_button_inverse.png

214 ms

Accessibility Review

whatson.sydney.edu.au accessibility score

87

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[aria-hidden="true"] elements contain focusable descendents

High

Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.

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.

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

Best Practices

whatson.sydney.edu.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

Missing source maps for large first-party JavaScript

SEO Factors

whatson.sydney.edu.au SEO score

90

Search Engine Optimization Advices

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

    N/A

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Whatson.sydney.edu.au can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else), while the claimed language is English. Our system also found out that Whatson.sydney.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

whatson.sydney.edu.au

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