Tools & Wizards About Us
irc-sphere.ac.uk screenshot

Report Summary

  • 32

    Performance

    Renders faster than
    52% of other websites

  • 98

    Accessibility

    Visual factors better than
    that of 94% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 98

    SEO

    Google-friendlier than
    92% of websites

irc-sphere.ac.uk

SPHERE | Faculty of Engineering | University of Bristol

Page Load Speed

3.6 sec in total

First Response

333 ms

Resources Loaded

3 sec

Page Rendered

232 ms

irc-sphere.ac.uk screenshot

About Website

Visit irc-sphere.ac.uk now to see the best up-to-date Irc SPHERE content for South Africa and also check out these interesting facts you probably never knew about irc-sphere.ac.uk

This page introduces SPHERE and its vision to impact a range of healthcare needs by employing data-fusion and pattern-recognition from a common platform of sensors in the home.

Visit irc-sphere.ac.uk

Key Findings

We analyzed Irc-sphere.ac.uk page load time and found that the first response time was 333 ms and then it took 3.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

irc-sphere.ac.uk performance score

32

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.2 s

44/100

10%

LCP (Largest Contentful Paint)

Value4.7 s

33/100

25%

SI (Speed Index)

Value11.0 s

6/100

10%

TBT (Total Blocking Time)

Value1,580 ms

12/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value20.0 s

2/100

10%

Network Requests Diagram

irc-sphere.ac.uk

333 ms

1245 ms

css

28 ms

inter.css

168 ms

styles-inter.css

333 ms

Our browser made a total of 52 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Irc-sphere.ac.uk, 44% (23 requests) were made to Bristol.ac.uk and 35% (18 requests) were made to Platform.twitter.com. The less responsive or slowest element that took the longest time to load (1.2 sec) relates to the external source Bristol.ac.uk.

Page Optimization Overview & Recommendations

Page size can be reduced by 35.4 kB (5%)

Content Size

761.9 kB

After Optimization

726.5 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Irc-sphere.ac.uk main page is 761.9 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. 65% of websites need less resources to load. Images take 691.5 kB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 29.6 kB

  • Original 38.2 kB
  • After minification 30.9 kB
  • After compression 8.6 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. This page needs HTML code to be minified as it can gain 7.3 kB, which is 19% 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 29.6 kB or 77% of the original size.

Image Optimization

-0%

Potential reduce by 1.8 kB

  • Original 691.5 kB
  • After minification 689.8 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. Irc SPHERE images are well optimized though.

JavaScript Optimization

-2%

Potential reduce by 110 B

  • Original 6.7 kB
  • After minification 6.7 kB
  • After compression 6.5 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

-16%

Potential reduce by 4.0 kB

  • Original 25.6 kB
  • After minification 25.6 kB
  • After compression 21.6 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. Irc-sphere.ac.uk needs all CSS files to be minified and compressed as it can save up to 4.0 kB or 16% of the original size.

Requests Breakdown

Number of requests can be reduced by 26 (60%)

Requests Now

43

After Optimization

17

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 43 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Irc SPHERE. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 22 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

irc-sphere.ac.uk

irc-sphere.ac.uk

333 ms

1245 ms

css

css

28 ms

inter.css

inter.css

168 ms

styles-inter.css

styles-inter.css

333 ms

legacy.css

legacy.css

251 ms

bright-green.css

bright-green.css

252 ms

modernizr.custom.14729.js

modernizr.custom.14729.js

255 ms

init.min.js

init.min.js

174 ms

gtm.js

gtm.js

129 ms

hotjar-3072950.js

hotjar-3072950.js

216 ms

gtm.js

gtm.js

192 ms

uob-logo.svg

uob-logo.svg

112 ms

photo2_700.jpg

photo2_700.jpg

402 ms

Ian_Updated_SPHEREPage.jpg

Ian_Updated_SPHEREPage.jpg

417 ms

automated_125.jpg

automated_125.jpg

135 ms

SPHERE%20Engaging-page_th.jpg

SPHERE%20Engaging-page_th.jpg

417 ms

explanation_125.jpg

explanation_125.jpg

135 ms

localising_125.jpg

localising_125.jpg

496 ms

opportunistic_125.jpg

opportunistic_125.jpg

599 ms

pd_sensors_125.jpg

pd_sensors_125.jpg

264 ms

purpose_125.jpg

purpose_125.jpg

419 ms

self_125.jpg

self_125.jpg

502 ms

sit_125.jpg

sit_125.jpg

508 ms

widgets.js

widgets.js

86 ms

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memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0B4gaVc.ttf

50 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsgH1x4gaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsgH1x4gaVc.ttf

51 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsg-1x4gaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsg-1x4gaVc.ttf

59 ms

icomoon.woff

icomoon.woff

374 ms

Inter-SemiBold.ttf

Inter-SemiBold.ttf

980 ms

memQYaGs126MiZpBA-UFUIcVXSCEkx2cmqvXlWq8tWZ0Pw86hd0Rk8ZkWVAexQ.ttf

memQYaGs126MiZpBA-UFUIcVXSCEkx2cmqvXlWq8tWZ0Pw86hd0Rk8ZkWVAexQ.ttf

74 ms

fa-brands-400.ttf

fa-brands-400.ttf

542 ms

widget_iframe.2f70fb173b9000da126c79afe2098f02.html

widget_iframe.2f70fb173b9000da126c79afe2098f02.html

26 ms

settings

settings

96 ms

timeline.e108540dddc96e4b707f5cf259a582d7.js

timeline.e108540dddc96e4b707f5cf259a582d7.js

3 ms

UoBrisDigHealth

UoBrisDigHealth

68 ms

polyfills-a40ef1678bae11e696dba45124eadd70.js

polyfills-a40ef1678bae11e696dba45124eadd70.js

4 ms

runtime-b1c52fd0a13ead5fcf6b.js

runtime-b1c52fd0a13ead5fcf6b.js

17 ms

modules-96ebc7ac3ad66d681a3d.js

modules-96ebc7ac3ad66d681a3d.js

23 ms

main-babd9234dc048fb47339.js

main-babd9234dc048fb47339.js

21 ms

_app-a9c9f1a99e4414675fb1.js

_app-a9c9f1a99e4414675fb1.js

22 ms

%5BscreenName%5D-0517bdda27d5006a5a2d.js

%5BscreenName%5D-0517bdda27d5006a5a2d.js

44 ms

_buildManifest.js

_buildManifest.js

52 ms

_ssgManifest.js

_ssgManifest.js

52 ms

8526.0c32a8f0cfc5749221a3.js

8526.0c32a8f0cfc5749221a3.js

12 ms

1755.07a49c40b12af4f75780.js

1755.07a49c40b12af4f75780.js

12 ms

8283.f3e5048cca7cef5eed7f.js

8283.f3e5048cca7cef5eed7f.js

4 ms

3077.44bfeb00af01bc4020f6.js

3077.44bfeb00af01bc4020f6.js

13 ms

1362.42d432e02f7980bca032.js

1362.42d432e02f7980bca032.js

7 ms

4956.c4e51ef593974b9db0bb.js

4956.c4e51ef593974b9db0bb.js

13 ms

5893.d500bd2a89ded806aa73.js

5893.d500bd2a89ded806aa73.js

11 ms

print.css

print.css

86 ms

Accessibility Review

irc-sphere.ac.uk accessibility score

98

Accessibility Issues

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Best Practices

irc-sphere.ac.uk best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

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

irc-sphere.ac.uk SEO score

98

Search Engine Optimization Advices

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 Irc-sphere.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 Irc-sphere.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

irc-sphere.ac.uk

Open Graph description is not detected on the main page of Irc SPHERE. 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: