Tools & Wizards About Us
sws.city.ac.uk screenshot

Report Summary

  • 88

    Performance

    Renders faster than
    90% of other websites

  • 82

    Accessibility

    Visual factors better than
    that of 54% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 67

    SEO

    Google-friendlier than
    25% of websites

sws.city.ac.uk

Timetabling Service - City University London

Page Load Speed

4.7 sec in total

First Response

553 ms

Resources Loaded

4.1 sec

Page Rendered

98 ms

sws.city.ac.uk screenshot

About Website

Click here to check amazing Sws City content for United Kingdom. Otherwise, check out these important facts you probably never knew about sws.city.ac.uk

Professor Tim Lang (City Community and Health Sciences) has delivered a talk on food security to senior journalists at the Guardian.

Visit sws.city.ac.uk

Key Findings

We analyzed Sws.city.ac.uk page load time and found that the first response time was 553 ms and then it took 4.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

sws.city.ac.uk performance score

88

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.8 s

56/100

10%

LCP (Largest Contentful Paint)

Value2.8 s

82/100

25%

SI (Speed Index)

Value4.5 s

72/100

10%

TBT (Total Blocking Time)

Value40 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value3.1 s

95/100

10%

Network Requests Diagram

sws.city.ac.uk

553 ms

sws.city.ac.uk

344 ms

jquery.js

947 ms

ufo.js

683 ms

jquery.minmax.js

560 ms

Our browser made a total of 22 requests to load all elements on the main page. We found that 14% of them (3 requests) were addressed to the original Sws.city.ac.uk, 73% (16 requests) were made to S1.city.ac.uk and 9% (2 requests) were made to Ssl.google-analytics.com. The less responsive or slowest element that took the longest time to load (1.4 sec) relates to the external source City.ac.uk.

Page Optimization Overview & Recommendations

Page size can be reduced by 111.6 kB (62%)

Content Size

181.0 kB

After Optimization

69.4 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Sws.city.ac.uk main page is 181.0 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. Javascripts take 95.5 kB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 6.5 kB

  • Original 8.4 kB
  • After minification 5.4 kB
  • After compression 1.9 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 3.0 kB, which is 35% 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 6.5 kB or 77% of the original size.

Image Optimization

-5%

Potential reduce by 648 B

  • Original 13.8 kB
  • After minification 13.1 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. Sws City images are well optimized though.

JavaScript Optimization

-55%

Potential reduce by 52.1 kB

  • Original 95.5 kB
  • After minification 92.6 kB
  • After compression 43.4 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 52.1 kB or 55% of the original size.

CSS Optimization

-83%

Potential reduce by 52.4 kB

  • Original 63.4 kB
  • After minification 43.7 kB
  • After compression 11.0 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. Sws.city.ac.uk needs all CSS files to be minified and compressed as it can save up to 52.4 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 10 (56%)

Requests Now

18

After Optimization

8

  • Images
  • JavaScript
  • CSS

The browser has sent 18 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sws City. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

sws.city.ac.uk

sws.city.ac.uk

553 ms

sws.city.ac.uk

sws.city.ac.uk

344 ms

jquery.js

jquery.js

947 ms

ufo.js

ufo.js

683 ms

jquery.minmax.js

jquery.minmax.js

560 ms

fonts.css

fonts.css

568 ms

city2col.css

city2col.css

578 ms

jquery.styleswitch.js

jquery.styleswitch.js

570 ms

cityScripts.js

cityScripts.js

619 ms

default_palette.css

default_palette.css

88 ms

background.gif

background.gif

83 ms

header_bb.gif

header_bb.gif

84 ms

city-logo-1894.png

city-logo-1894.png

155 ms

bullet_darkblue_small.gif

bullet_darkblue_small.gif

80 ms

footer.gif

footer.gif

86 ms

arrow.png

arrow.png

1422 ms

ga.js

ga.js

27 ms

noSitemap.html

noSitemap.html

85 ms

__utm.gif

__utm.gif

11 ms

print.css

print.css

84 ms

hicontrast.css

hicontrast.css

88 ms

dyslexia2col.css

dyslexia2col.css

87 ms

Accessibility Review

sws.city.ac.uk accessibility score

82

Accessibility Issues

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

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>).

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Some elements have a [tabindex] value greater than 0

Best Practices

sws.city.ac.uk best practices score

67

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

General

Impact

Issue

High

Browser errors were logged to the console

SEO Factors

sws.city.ac.uk SEO score

67

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

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 Sws.city.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 Sws.city.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

sws.city.ac.uk

Open Graph description is not detected on the main page of Sws City. 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: