Report Summary

  • 47

    Performance

    Renders faster than
    66% of other websites

  • 100

    Accessibility

    Visual factors better than
    that of 97% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 89

    SEO

    Google-friendlier than
    67% of websites

essl.leeds.ac.uk

Faculty of Social Sciences - Site Homepage | Faculty of Social Sciences | University of Leeds

Page Load Speed

2.3 sec in total

First Response

434 ms

Resources Loaded

1.8 sec

Page Rendered

129 ms

essl.leeds.ac.uk screenshot

About Website

Click here to check amazing Essl Leeds content for United Kingdom. Otherwise, check out these important facts you probably never knew about essl.leeds.ac.uk

Welcome to the Faculty of Social Sciences at Leeds, home to the schools of Education, Law, Politics and International Studies, and Sociology and Social Policy

Visit essl.leeds.ac.uk

Key Findings

We analyzed Essl.leeds.ac.uk page load time and found that the first response time was 434 ms and then it took 1.9 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 35% of websites can load faster.

Performance Metrics

essl.leeds.ac.uk performance score

47

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.6 s

33/100

10%

LCP (Largest Contentful Paint)

Value5.5 s

19/100

25%

SI (Speed Index)

Value6.9 s

34/100

10%

TBT (Total Blocking Time)

Value200 ms

89/100

30%

CLS (Cumulative Layout Shift)

Value0.346

32/100

15%

TTI (Time to Interactive)

Value8.6 s

37/100

10%

Network Requests Diagram

essl.leeds.ac.uk

434 ms

www.essl.leeds.ac.uk

625 ms

jquery.min.js

39 ms

uol.js

355 ms

essl.min.css

522 ms

Our browser made a total of 20 requests to load all elements on the main page. We found that 85% of them (17 requests) were addressed to the original Essl.leeds.ac.uk, 10% (2 requests) were made to Google-analytics.com and 5% (1 request) were made to Ajax.googleapis.com. The less responsive or slowest element that took the longest time to load (625 ms) belongs to the original domain Essl.leeds.ac.uk.

Page Optimization Overview & Recommendations

Page size can be reduced by 72.9 kB (27%)

Content Size

275.2 kB

After Optimization

202.2 kB

In fact, the total size of Essl.leeds.ac.uk main page is 275.2 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 169.0 kB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 10.8 kB

  • Original 14.4 kB
  • After minification 14.0 kB
  • After compression 3.6 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 10.8 kB or 75% of the original size.

Image Optimization

-2%

Potential reduce by 4.1 kB

  • Original 169.0 kB
  • After minification 164.9 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. Essl Leeds images are well optimized though.

JavaScript Optimization

-31%

Potential reduce by 9.9 kB

  • Original 31.7 kB
  • After minification 31.7 kB
  • After compression 21.8 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 9.9 kB or 31% of the original size.

CSS Optimization

-80%

Potential reduce by 48.2 kB

  • Original 60.1 kB
  • After minification 60.0 kB
  • After compression 11.8 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. Essl.leeds.ac.uk needs all CSS files to be minified and compressed as it can save up to 48.2 kB or 80% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

18

After Optimization

18

The browser has sent 18 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Essl Leeds. According to our analytics all requests are already optimized.

Accessibility Review

essl.leeds.ac.uk accessibility score

100

Accessibility Issues

Best Practices

essl.leeds.ac.uk 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

Page has valid source maps

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

essl.leeds.ac.uk SEO score

89

Search Engine Optimization Advices

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

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Essl.leeds.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 Essl.leeds.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

Open Graph description is not detected on the main page of Essl Leeds. 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: