Report Summary

  • 2

    Performance

    Renders faster than
    20% of other websites

  • 92

    Accessibility

    Visual factors better than
    that of 79% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

csse.canterbury.ac.nz

Computer Science and Software Engineering department | University of Canterbury

Page Load Speed

16.1 sec in total

First Response

884 ms

Resources Loaded

14.5 sec

Page Rendered

799 ms

About Website

Welcome to csse.canterbury.ac.nz homepage info - get ready to check Csse Canterbury best content for New Zealand right away, or after learning these important things about csse.canterbury.ac.nz

Computer Science and Software Engineering is not just about programming. Learn more and check out UC's department of Computer Science and Software Engineering.

Visit csse.canterbury.ac.nz

Key Findings

We analyzed Csse.canterbury.ac.nz page load time and found that the first response time was 884 ms and then it took 15.2 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

csse.canterbury.ac.nz performance score

2

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.5 s

6/100

10%

LCP (Largest Contentful Paint)

Value7.8 s

3/100

25%

SI (Speed Index)

Value16.2 s

0/100

10%

TBT (Total Blocking Time)

Value3,340 ms

2/100

30%

CLS (Cumulative Layout Shift)

Value1.369

0/100

15%

TTI (Time to Interactive)

Value26.5 s

0/100

10%

Network Requests Diagram

csse.canterbury.ac.nz

884 ms

1034 ms

computer-science-and-software-engineering-department

1030 ms

w.js

77 ms

gtm.js

161 ms

Our browser made a total of 87 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Csse.canterbury.ac.nz, 75% (65 requests) were made to Canterbury.ac.nz and 7% (6 requests) were made to Youtube.com. The less responsive or slowest element that took the longest time to load (10.7 sec) relates to the external source Canterbury.ac.nz.

Page Optimization Overview & Recommendations

Page size can be reduced by 564.0 kB (11%)

Content Size

5.0 MB

After Optimization

4.4 MB

In fact, the total size of Csse.canterbury.ac.nz main page is 5.0 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. Only a small number of websites need less resources to load. Images take 4.3 MB which makes up the majority of the site volume.

HTML Optimization

-94%

Potential reduce by 273.3 kB

  • Original 292.3 kB
  • After minification 206.8 kB
  • After compression 18.9 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 85.5 kB, which is 29% 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 273.3 kB or 94% of the original size.

Image Optimization

-2%

Potential reduce by 69.1 kB

  • Original 4.3 MB
  • After minification 4.2 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. Csse Canterbury images are well optimized though.

JavaScript Optimization

-57%

Potential reduce by 221.5 kB

  • Original 388.0 kB
  • After minification 388.0 kB
  • After compression 166.6 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 221.5 kB or 57% of the original size.

CSS Optimization

-0%

Potential reduce by 67 B

  • Original 60.1 kB
  • After minification 60.1 kB
  • After compression 60.0 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. Csse.canterbury.ac.nz has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 41 (51%)

Requests Now

80

After Optimization

39

The browser has sent 80 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Csse Canterbury. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 37 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

csse.canterbury.ac.nz accessibility score

92

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

[id] attributes on active, focusable elements are not unique

High

Heading elements are not in a sequentially-descending order

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

csse.canterbury.ac.nz best practices score

67

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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

csse.canterbury.ac.nz SEO score

100

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

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 Csse.canterbury.ac.nz 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 Csse.canterbury.ac.nz 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

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