Tools & Wizards About Us
physics.manchester.ac.uk screenshot

Report Summary

  • 17

    Performance

    Renders faster than
    32% of other websites

  • 100

    Accessibility

    Visual factors better than
    that of 97% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 84

    SEO

    Google-friendlier than
    52% of websites

physics.manchester.ac.uk

Department of Physics and Astronomy - The University of Manchester

Page Load Speed

5.9 sec in total

First Response

650 ms

Resources Loaded

3.9 sec

Page Rendered

1.3 sec

physics.manchester.ac.uk screenshot

About Website

Click here to check amazing Physics Manchester content for United Kingdom. Otherwise, check out these important facts you probably never knew about physics.manchester.ac.uk

The Department of Physics and Astronomy at The University of Manchester is one of the most respected schools of physics in the world. Find out why.

Visit physics.manchester.ac.uk

Key Findings

We analyzed Physics.manchester.ac.uk page load time and found that the first response time was 650 ms and then it took 5.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

physics.manchester.ac.uk performance score

17

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.2 s

20/100

10%

LCP (Largest Contentful Paint)

Value7.1 s

6/100

25%

SI (Speed Index)

Value13.1 s

2/100

10%

TBT (Total Blocking Time)

Value42,190 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.112

86/100

15%

TTI (Time to Interactive)

Value53.7 s

0/100

10%

Network Requests Diagram

physics.manchester.ac.uk

650 ms

www.physics.manchester.ac.uk

553 ms

global-mhs.css

752 ms

left-menu-new.css

768 ms

mobile-menu.css

807 ms

Our browser made a total of 54 requests to load all elements on the main page. We found that 17% of them (9 requests) were addressed to the original Physics.manchester.ac.uk, 54% (29 requests) were made to Webassets.manchester.ac.uk and 11% (6 requests) were made to Youtube-nocookie.com. The less responsive or slowest element that took the longest time to load (1.4 sec) relates to the external source Assets.manchester.ac.uk.

Page Optimization Overview & Recommendations

Page size can be reduced by 435.9 kB (40%)

Content Size

1.1 MB

After Optimization

655.2 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Physics.manchester.ac.uk main page is 1.1 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. 80% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 457.9 kB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 55.1 kB

  • Original 66.8 kB
  • After minification 55.7 kB
  • After compression 11.7 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 11.0 kB, which is 17% 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 55.1 kB or 83% of the original size.

Image Optimization

-3%

Potential reduce by 15.0 kB

  • Original 457.9 kB
  • After minification 442.9 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. Physics Manchester images are well optimized though.

JavaScript Optimization

-26%

Potential reduce by 39.6 kB

  • Original 152.1 kB
  • After minification 152.1 kB
  • After compression 112.4 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 39.6 kB or 26% of the original size.

CSS Optimization

-79%

Potential reduce by 326.2 kB

  • Original 414.4 kB
  • After minification 414.2 kB
  • After compression 88.2 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. Physics.manchester.ac.uk needs all CSS files to be minified and compressed as it can save up to 326.2 kB or 79% of the original size.

Requests Breakdown

Number of requests can be reduced by 28 (57%)

Requests Now

49

After Optimization

21

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 49 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Physics Manchester. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 17 to 1 for JavaScripts and from 13 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

physics.manchester.ac.uk

physics.manchester.ac.uk

650 ms

www.physics.manchester.ac.uk

www.physics.manchester.ac.uk

553 ms

global-mhs.css

global-mhs.css

752 ms

left-menu-new.css

left-menu-new.css

768 ms

mobile-menu.css

mobile-menu.css

807 ms

lightbox.css

lightbox.css

809 ms

slick.css

slick.css

807 ms

slick-theme.css

slick-theme.css

805 ms

css

css

105 ms

modifications11.css

modifications11.css

840 ms

Colours.css

Colours.css

862 ms

footer_logo.css

footer_logo.css

896 ms

Custom2.css

Custom2.css

894 ms

cookie-banner-01.css

cookie-banner-01.css

892 ms

modernizr.custom.98819.js

modernizr.custom.98819.js

891 ms

OtAutoBlock.js

OtAutoBlock.js

101 ms

otSDKStub.js

otSDKStub.js

126 ms

jquery-1.11.0.min.js

jquery-1.11.0.min.js

1183 ms

iScroll.js

iScroll.js

1030 ms

global-plugins.js

global-plugins.js

1344 ms

slick.js

slick.js

1031 ms

imagelightbox.js

imagelightbox.js

1030 ms

imagelightbox-init.js

imagelightbox-init.js

1029 ms

global13.js

global13.js

1180 ms

mobile-menu.js

mobile-menu.js

1209 ms

custom.js

custom.js

1365 ms

f6c06aa6-cac4-4104-8b3d-70b088ddfff6.json

f6c06aa6-cac4-4104-8b3d-70b088ddfff6.json

404 ms

Soc-resp-banner.jpg

Soc-resp-banner.jpg

1349 ms

Astrid_Weston-500x298.jpg

Astrid_Weston-500x298.jpg

1348 ms

Radha-Boya-500x298.jpg

Radha-Boya-500x298.jpg

1347 ms

Dr-Laura-Wolz-500x298.jpg

Dr-Laura-Wolz-500x298.jpg

1347 ms

free_floating_planet_500x298.jpg

free_floating_planet_500x298.jpg

535 ms

cogx_banner_w_background_500x298.jpg

cogx_banner_w_background_500x298.jpg

535 ms

cubesat_orbit_visualisation_500x298.jpg

cubesat_orbit_visualisation_500x298.jpg

676 ms

icon-menu-25x20.gif

icon-menu-25x20.gif

516 ms

logo-university-of-manchester.png

logo-university-of-manchester.png

515 ms

icon-search-mobile-20x20-20x21.gif

icon-search-mobile-20x20-20x21.gif

403 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0B4gaVQ.woff

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0B4gaVQ.woff

219 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsiH0B4gaVQ.woff

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsiH0B4gaVQ.woff

246 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsgH1x4gaVQ.woff

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsgH1x4gaVQ.woff

522 ms

ENWB1hw7OEw

ENWB1hw7OEw

534 ms

icon-home-white.png

icon-home-white.png

469 ms

icon-moreArrow-right.png

icon-moreArrow-right.png

609 ms

icon-menu-white.png

icon-menu-white.png

1340 ms

menu-arrow-down-open-grey.png

menu-arrow-down-open-grey.png

1440 ms

icon-carousel-left.png

icon-carousel-left.png

442 ms

icon-carousel-right.png

icon-carousel-right.png

442 ms

icons-discover.png

icons-discover.png

1091 ms

location

location

221 ms

www-player.css

www-player.css

20 ms

www-embed-player.js

www-embed-player.js

83 ms

base.js

base.js

189 ms

fetch-polyfill.js

fetch-polyfill.js

81 ms

embed.js

embed.js

23 ms

Accessibility Review

physics.manchester.ac.uk accessibility score

100

Accessibility Issues

Best Practices

physics.manchester.ac.uk best practices score

75

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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

physics.manchester.ac.uk SEO score

84

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

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 Physics.manchester.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 Physics.manchester.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

physics.manchester.ac.uk

Open Graph description is not detected on the main page of Physics Manchester. 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: