Report Summary

  • 23

    Performance

    Renders faster than
    42% 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

  • 81

    SEO

    Google-friendlier than
    43% of websites

yorksj.ac.uk

York St John University | York St John University

Page Load Speed

2.8 sec in total

First Response

270 ms

Resources Loaded

2.3 sec

Page Rendered

245 ms

yorksj.ac.uk screenshot

About Website

Visit yorksj.ac.uk now to see the best up-to-date York Sj content for United Arab Emirates and also check out these interesting facts you probably never knew about yorksj.ac.uk

York St John University is a high quality, friendly university with a campus based in the centre of the historic City of York.

Visit yorksj.ac.uk

Key Findings

We analyzed Yorksj.ac.uk page load time and found that the first response time was 270 ms and then it took 2.6 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

yorksj.ac.uk performance score

23

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.4 s

36/100

10%

LCP (Largest Contentful Paint)

Value7.2 s

5/100

25%

SI (Speed Index)

Value9.1 s

14/100

10%

TBT (Total Blocking Time)

Value2,810 ms

3/100

30%

CLS (Cumulative Layout Shift)

Value0.003

100/100

15%

TTI (Time to Interactive)

Value16.4 s

5/100

10%

Network Requests Diagram

yorksj.ac.uk

270 ms

www.yorksj.ac.uk

632 ms

WebResource.axd

174 ms

style.css

425 ms

6boxes.css

171 ms

Our browser made a total of 68 requests to load all elements on the main page. We found that 59% of them (40 requests) were addressed to the original Yorksj.ac.uk, 9% (6 requests) were made to W3.yorksj.ac.uk and 6% (4 requests) were made to Google.com. The less responsive or slowest element that took the longest time to load (878 ms) belongs to the original domain Yorksj.ac.uk.

Page Optimization Overview & Recommendations

Page size can be reduced by 302.7 kB (17%)

Content Size

1.8 MB

After Optimization

1.5 MB

In fact, the total size of Yorksj.ac.uk main page is 1.8 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. 25% of websites need less resources to load. Images take 1.4 MB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 40.3 kB

  • Original 52.0 kB
  • After minification 49.3 kB
  • After compression 11.7 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 40.3 kB or 77% of the original size.

Image Optimization

-2%

Potential reduce by 29.6 kB

  • Original 1.4 MB
  • After minification 1.4 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. York Sj images are well optimized though.

JavaScript Optimization

-67%

Potential reduce by 210.1 kB

  • Original 315.8 kB
  • After minification 305.1 kB
  • After compression 105.6 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 210.1 kB or 67% of the original size.

CSS Optimization

-80%

Potential reduce by 22.8 kB

  • Original 28.3 kB
  • After minification 21.5 kB
  • After compression 5.5 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. Yorksj.ac.uk needs all CSS files to be minified and compressed as it can save up to 22.8 kB or 80% of the original size.

Requests Breakdown

Number of requests can be reduced by 22 (46%)

Requests Now

48

After Optimization

26

The browser has sent 48 CSS, Javascripts, AJAX and image requests in order to completely render the main page of York Sj. 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 7 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

yorksj.ac.uk 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

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

Buttons do not have an accessible name

High

Links do not have a discernible name

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

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

Best Practices

yorksj.ac.uk best practices score

83

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

Missing source maps for large first-party JavaScript

SEO Factors

yorksj.ac.uk SEO score

81

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

Crawling and Indexing

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

Impact

Issue

High

Links are not crawlable

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

    N/A

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Yorksj.ac.uk 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 Yorksj.ac.uk main page’s claimed encoding is . Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

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