Tools & Wizards About Us
wwwf.imperial.ac.uk screenshot

Report Summary

  • 29

    Performance

    Renders faster than
    49% of other websites

  • 81

    Accessibility

    Visual factors better than
    that of 52% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    81% of websites

  • 97

    SEO

    Google-friendlier than
    91% of websites

wwwf.imperial.ac.uk

Imperial College London

Page Load Speed

4 sec in total

First Response

474 ms

Resources Loaded

2.9 sec

Page Rendered

615 ms

wwwf.imperial.ac.uk screenshot

About Website

Click here to check amazing Wwwf Imperial content for United Kingdom. Otherwise, check out these important facts you probably never knew about wwwf.imperial.ac.uk

Imperial College London is a world-class university with a mission to benefit society through excellence in science, engineering, medicine and business.

Visit wwwf.imperial.ac.uk

Key Findings

We analyzed Wwwf.imperial.ac.uk page load time and found that the first response time was 474 ms and then it took 3.6 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

wwwf.imperial.ac.uk performance score

29

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.3 s

17/100

10%

LCP (Largest Contentful Paint)

Value6.3 s

10/100

25%

SI (Speed Index)

Value7.3 s

28/100

10%

TBT (Total Blocking Time)

Value500 ms

58/100

30%

CLS (Cumulative Layout Shift)

Value0.862

4/100

15%

TTI (Time to Interactive)

Value7.9 s

43/100

10%

Network Requests Diagram

wwwf.imperial.ac.uk

474 ms

www.imperial.ac.uk

468 ms

screen.css

397 ms

color-themes.css

289 ms

jquery2.min.js

320 ms

Our browser made a total of 73 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Wwwf.imperial.ac.uk, 79% (58 requests) were made to Imperial.ac.uk and 15% (11 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.1 sec) relates to the external source Imperial.ac.uk.

Page Optimization Overview & Recommendations

Page size can be reduced by 881.1 kB (32%)

Content Size

2.7 MB

After Optimization

1.8 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Wwwf.imperial.ac.uk main page is 2.7 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. 70% of websites need less resources to load. Images take 1.8 MB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 106.6 kB

  • Original 127.1 kB
  • After minification 118.3 kB
  • After compression 20.5 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 106.6 kB or 84% of the original size.

Image Optimization

-10%

Potential reduce by 169.5 kB

  • Original 1.8 MB
  • After minification 1.6 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. Wwwf Imperial images are well optimized though.

JavaScript Optimization

-62%

Potential reduce by 250.8 kB

  • Original 406.3 kB
  • After minification 406.3 kB
  • After compression 155.5 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 250.8 kB or 62% of the original size.

CSS Optimization

-86%

Potential reduce by 354.3 kB

  • Original 410.4 kB
  • After minification 406.7 kB
  • After compression 56.1 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. Wwwf.imperial.ac.uk needs all CSS files to be minified and compressed as it can save up to 354.3 kB or 86% of the original size.

Requests Breakdown

Number of requests can be reduced by 13 (23%)

Requests Now

57

After Optimization

44

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 57 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Wwwf Imperial. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

wwwf.imperial.ac.uk

wwwf.imperial.ac.uk

474 ms

www.imperial.ac.uk

www.imperial.ac.uk

468 ms

screen.css

screen.css

397 ms

color-themes.css

color-themes.css

289 ms

jquery2.min.js

jquery2.min.js

320 ms

application.min.js

application.min.js

434 ms

ga.js

ga.js

224 ms

31908.jpg

31908.jpg

225 ms

31990.jpg

31990.jpg

226 ms

31964.jpg

31964.jpg

226 ms

City_of_London_65396749--tojpeg_1417615028107_x1.jpg

City_of_London_65396749--tojpeg_1417615028107_x1.jpg

226 ms

ICL_Graduation_406--tojpeg_1417616392639_x1.jpg

ICL_Graduation_406--tojpeg_1417616392639_x1.jpg

357 ms

imp_130820_campus1_lib_008--tojpeg_1417607683035_x2--tojpeg_1417682075073_x1.jpg

imp_130820_campus1_lib_008--tojpeg_1417607683035_x2--tojpeg_1417682075073_x1.jpg

450 ms

Impact--tojpeg_1417606493780_x1.jpg

Impact--tojpeg_1417606493780_x1.jpg

434 ms

News--tojpeg_1417606851616_x1.jpg

News--tojpeg_1417606851616_x1.jpg

356 ms

Student-enterprise--tojpeg_1417606898127_x1.jpg

Student-enterprise--tojpeg_1417606898127_x1.jpg

526 ms

15-02-ImperialPodcast_banner_4--tojpeg_1431608741948_x1.jpg

15-02-ImperialPodcast_banner_4--tojpeg_1431608741948_x1.jpg

353 ms

movie-buttons-movie--tojpeg_1452267990731_x1.jpg

movie-buttons-movie--tojpeg_1452267990731_x1.jpg

433 ms

Bloggers--tojpeg_1417682229397_x1.jpg

Bloggers--tojpeg_1417682229397_x1.jpg

507 ms

Lion--tojpeg_1417185738698_x1.jpg

Lion--tojpeg_1417185738698_x1.jpg

434 ms

campus--tojpeg_1416836905639_x1.jpg

campus--tojpeg_1416836905639_x1.jpg

462 ms

impwest--tojpeg_1416836928105_x1.jpg

impwest--tojpeg_1416836928105_x1.jpg

471 ms

trout-underwater1--tojpeg_1456840178171_x1.jpg

trout-underwater1--tojpeg_1456840178171_x1.jpg

739 ms

fringe--tojpeg_1456750393183_x1.jpg

fringe--tojpeg_1456750393183_x1.jpg

774 ms

Heart--tojpeg_1456498453216_x1.jpg

Heart--tojpeg_1456498453216_x1.jpg

687 ms

movie-buttons-pod--tojpeg_1455718614591_x2.jpg

movie-buttons-pod--tojpeg_1455718614591_x2.jpg

575 ms

movie-buttons-aurora--tojpeg_1456496847868_x2.jpg

movie-buttons-aurora--tojpeg_1456496847868_x2.jpg

590 ms

movie-buttons-einstein--tojpeg_1448466260311_x2.jpg

movie-buttons-einstein--tojpeg_1448466260311_x2.jpg

691 ms

movie-buttons-black--tojpeg_1448893370037_x2.jpg

movie-buttons-black--tojpeg_1448893370037_x2.jpg

661 ms

31202.jpg

31202.jpg

673 ms

31163.jpg

31163.jpg

778 ms

ICL-299_5169--tojpeg_1454943137007_x1.jpg

ICL-299_5169--tojpeg_1454943137007_x1.jpg

846 ms

COURSES_imp_140515_lifescience_011--tojpeg_1417791142573_x1.jpg

COURSES_imp_140515_lifescience_011--tojpeg_1417791142573_x1.jpg

975 ms

IMG_5491ps_copy--tojpeg_1417102334409_x1.jpg

IMG_5491ps_copy--tojpeg_1417102334409_x1.jpg

1031 ms

LONDON_shutterstock_229478404--tojpeg_1417791048879_x1.jpg

LONDON_shutterstock_229478404--tojpeg_1417791048879_x1.jpg

989 ms

IMPERIAL_ICL_ExhibRdEntrance-120--tojpeg_1417791202195_x1.jpg

IMPERIAL_ICL_ExhibRdEntrance-120--tojpeg_1417791202195_x1.jpg

1091 ms

imp_140515_lifescience_123--tojpeg_1444332065532_x2.jpg

imp_140515_lifescience_123--tojpeg_1444332065532_x2.jpg

871 ms

ImperialEFLabNS-008--tojpeg_1417691558464_x2.jpg

ImperialEFLabNS-008--tojpeg_1417691558464_x2.jpg

939 ms

impact--tojpeg_1417691958570_x2.jpg

impact--tojpeg_1417691958570_x2.jpg

962 ms

ImperialStMarys-171--tojpeg_1444332013593_x2.jpg

ImperialStMarys-171--tojpeg_1444332013593_x2.jpg

1036 ms

gtm.js

gtm.js

214 ms

page.js

page.js

48 ms

sprite-s04b0e66c33.png

sprite-s04b0e66c33.png

843 ms

hatch-grey.png

hatch-grey.png

856 ms

triangle-overlay-right.png

triangle-overlay-right.png

868 ms

31908.jpg

31908.jpg

934 ms

31990.jpg

31990.jpg

939 ms

31964.jpg

31964.jpg

975 ms

triangle-overlay.png

triangle-overlay.png

941 ms

inpage_linkid.js

inpage_linkid.js

110 ms

analytics.js

analytics.js

93 ms

sm13.html

sm13.html

111 ms

FiraSans-MediumItalic.woff

FiraSans-MediumItalic.woff

821 ms

FiraSans-BoldItalic.woff

FiraSans-BoldItalic.woff

841 ms

__utm.gif

__utm.gif

37 ms

ga.js

ga.js

67 ms

collect

collect

19 ms

collect

collect

33 ms

collect

collect

33 ms

collect

collect

32 ms

collect

collect

32 ms

collect

collect

33 ms

FiraSans-Italic.woff

FiraSans-Italic.woff

814 ms

FiraSans-LightItalic.woff

FiraSans-LightItalic.woff

844 ms

FiraSans-Medium.woff

FiraSans-Medium.woff

844 ms

FiraSans-Bold.woff

FiraSans-Bold.woff

834 ms

FiraSans-Regular.woff

FiraSans-Regular.woff

882 ms

FiraSans-Light.woff

FiraSans-Light.woff

936 ms

imperial-icons.woff

imperial-icons.woff

897 ms

hatch-light.png

hatch-light.png

891 ms

31202.jpg

31202.jpg

757 ms

31163.jpg

31163.jpg

652 ms

print.css

print.css

91 ms

Accessibility Review

wwwf.imperial.ac.uk accessibility score

81

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

Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.

High

[role]s are not contained by their required parent element

High

ARIA IDs are not unique

Best Practices

wwwf.imperial.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

Page has valid source maps

SEO Factors

wwwf.imperial.ac.uk SEO score

97

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

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Wwwf.imperial.ac.uk can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Wwwf.imperial.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

wwwf.imperial.ac.uk

Open Graph description is not detected on the main page of Wwwf Imperial. 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: