Report Summary

  • 5

    Performance

    Renders faster than
    20% of other websites

  • 76

    Accessibility

    Visual factors better than
    that of 44% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    57% of websites

  • 92

    SEO

    Google-friendlier than
    75% of websites

lsbu.ac.uk

London South Bank University | London South Bank University

Page Load Speed

2.5 sec in total

First Response

235 ms

Resources Loaded

2 sec

Page Rendered

253 ms

lsbu.ac.uk screenshot

About Website

Visit lsbu.ac.uk now to see the best up-to-date Lsbu content for United Kingdom and also check out these interesting facts you probably never knew about lsbu.ac.uk

<p>London South Bank University is known for its professional links and high graduate salaries. We are university of the year for graduate employment.  Situated in the heart of the city &nda...

Visit lsbu.ac.uk

Key Findings

We analyzed Lsbu.ac.uk page load time and found that the first response time was 235 ms and then it took 2.3 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.

Performance Metrics

lsbu.ac.uk performance score

5

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.0 s

23/100

10%

LCP (Largest Contentful Paint)

Value7.9 s

3/100

25%

SI (Speed Index)

Value13.5 s

2/100

10%

TBT (Total Blocking Time)

Value8,320 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.592

11/100

15%

TTI (Time to Interactive)

Value28.0 s

0/100

10%

Network Requests Diagram

lsbu.ac.uk

235 ms

www.lsbu.ac.uk

557 ms

bootstrap.css

227 ms

flexslider.css

156 ms

global.css

242 ms

Our browser made a total of 83 requests to load all elements on the main page. We found that 67% of them (56 requests) were addressed to the original Lsbu.ac.uk, 5% (4 requests) were made to Fonts.gstatic.com and 4% (3 requests) were made to Stats.g.doubleclick.net. The less responsive or slowest element that took the longest time to load (875 ms) belongs to the original domain Lsbu.ac.uk.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.2 MB (32%)

Content Size

3.7 MB

After Optimization

2.5 MB

In fact, the total size of Lsbu.ac.uk main page is 3.7 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. 65% of websites need less resources to load. Images take 2.6 MB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 61.3 kB

  • Original 72.8 kB
  • After minification 63.2 kB
  • After compression 11.5 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. This page needs HTML code to be minified as it can gain 9.5 kB, which is 13% 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 61.3 kB or 84% of the original size.

Image Optimization

-15%

Potential reduce by 397.4 kB

  • Original 2.6 MB
  • After minification 2.2 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. Obviously, Lsbu needs image optimization as it can save up to 397.4 kB or 15% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-70%

Potential reduce by 463.6 kB

  • Original 661.7 kB
  • After minification 521.2 kB
  • After compression 198.1 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 463.6 kB or 70% of the original size.

CSS Optimization

-86%

Potential reduce by 276.5 kB

  • Original 323.2 kB
  • After minification 250.7 kB
  • After compression 46.7 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. Lsbu.ac.uk needs all CSS files to be minified and compressed as it can save up to 276.5 kB or 86% of the original size.

Requests Breakdown

Number of requests can be reduced by 37 (51%)

Requests Now

73

After Optimization

36

The browser has sent 73 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Lsbu. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 26 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

lsbu.ac.uk accessibility score

76

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-*] attributes do not match their roles

High

ARIA IDs are not unique

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

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

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

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

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

lsbu.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

Page has valid source maps

SEO Factors

lsbu.ac.uk SEO score

92

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

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 Lsbu.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 Lsbu.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 Lsbu. 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: