Access york.ac.uk. University of York

Report Summary

About Website

Click here to check amazing York content for China. Otherwise, check out these important facts you probably never knew about york.ac.uk

Outstanding teaching and research in a beautiful and historic city. York is a member of the prestigious Russell Group of research-intensive UK universities.

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name

value

score

weighting

FCP (First Contentful Paint)

Value3.5 s

33/100

10%

LCP (Largest Contentful Paint)

Value4.6 s

35/100

25%

SI (Speed Index)

Value4.0 s

81/100

10%

TBT (Total Blocking Time)

Value900 ms

31/100

30%

CLS (Cumulative Layout Shift)

Value0.035

100/100

15%

TTI (Time to Interactive)

Value11.7 s

17/100

10%

www.york.ac.uk

606 ms

dvj8rpp.css

43 ms

styles.min.css

536 ms

modernizr.min.js

381 ms

app.min.js

394 ms

Our browser made a total of 52 requests to load all elements on the main page. We found that 54% of them (28 requests) were addressed to the original York.ac.uk, 13% (7 requests) were made to Use.typekit.net and 6% (3 requests) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (1.6 sec) belongs to the original domain York.ac.uk.

Content Size

1.2 MB

After Optimization

1.2 MB

In fact, the total size of York.ac.uk main page is 1.2 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. 60% of websites need less resources to load. Images take 1.0 MB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 45.1 kB

Original 55.7 kB
After minification 49.9 kB
After compression 10.5 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 45.1 kB or 81% of the original size.

Image Optimization

-4%

Potential reduce by 38.0 kB

Original 1.0 MB
After minification 990.2 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. York images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 545 B

Original 112.3 kB
After minification 112.3 kB
After compression 111.7 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 57 B

Original 48.1 kB
After minification 48.1 kB
After compression 48.0 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. York.ac.uk has all CSS files already compressed.

Requests Now

After Optimization

The browser has sent 44 CSS, Javascripts, AJAX and image requests in order to completely render the main page of York. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 14 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

These are opportunities to improve the legibility of your content.

High

Background and foreground colors do not have a sufficient contrast ratio.

These are opportunities to improve keyboard navigation in your application.

High

Heading elements are not in a sequentially-descending order

Areas of Improvement

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

Low

Detected JavaScript libraries

High

Page has valid source maps

Search Engine Optimization Advices

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/).

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 York.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 York.ac.uk 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

york.ac.uk

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

Report Summary

Performance

Accessibility

Best Practices

SEO

University of York

Page Load Speed

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Measured Metrics

FCP (First Contentful Paint)

LCP (Largest Contentful Paint)

SI (Speed Index)

TBT (Total Blocking Time)

CLS (Cumulative Layout Shift)

TTI (Time to Interactive)