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

Report Summary

  • 23

    Performance

    Renders faster than
    42% of other websites

  • 100

    Accessibility

    Visual factors better than
    that of 97% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

dalton.manchester.ac.uk

Dalton Nuclear Institute - The University of Manchester

Page Load Speed

3 sec in total

First Response

344 ms

Resources Loaded

2.3 sec

Page Rendered

352 ms

dalton.manchester.ac.uk screenshot

About Website

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

Learn how The University of Manchester's researchers work at the Manchester and Cumbria sites of the Dalton Nuclear Institute - a hub for UK nuclear research.

Visit dalton.manchester.ac.uk

Key Findings

We analyzed Dalton.manchester.ac.uk page load time and found that the first response time was 344 ms and then it took 2.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Performance Metrics

dalton.manchester.ac.uk performance score

23

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.0 s

24/100

10%

LCP (Largest Contentful Paint)

Value6.8 s

7/100

25%

SI (Speed Index)

Value6.1 s

44/100

10%

TBT (Total Blocking Time)

Value3,160 ms

2/100

30%

CLS (Cumulative Layout Shift)

Value0.106

88/100

15%

TTI (Time to Interactive)

Value18.1 s

3/100

10%

Network Requests Diagram

dalton.manchester.ac.uk

344 ms

www.dalton.manchester.ac.uk

538 ms

global-mhs-v3.css

607 ms

left-menu-new.css

541 ms

mobile-menu.css

546 ms

Our browser made a total of 59 requests to load all elements on the main page. We found that 19% of them (11 requests) were addressed to the original Dalton.manchester.ac.uk, 47% (28 requests) were made to Webassets.manchester.ac.uk and 14% (8 requests) were made to Content.presspage.com. The less responsive or slowest element that took the longest time to load (782 ms) relates to the external source Webassets.manchester.ac.uk.

Page Optimization Overview & Recommendations

Page size can be reduced by 126.6 kB (11%)

Content Size

1.1 MB

After Optimization

993.4 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Dalton.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. 45% of websites need less resources to load. Images take 891.3 kB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 45.6 kB

  • Original 55.3 kB
  • After minification 42.2 kB
  • After compression 9.7 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 13.0 kB, which is 24% 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 45.6 kB or 83% of the original size.

Image Optimization

-5%

Potential reduce by 45.8 kB

  • Original 891.3 kB
  • After minification 845.6 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. Dalton Manchester images are well optimized though.

JavaScript Optimization

-15%

Potential reduce by 18.8 kB

  • Original 125.6 kB
  • After minification 125.6 kB
  • After compression 106.8 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 18.8 kB or 15% of the original size.

CSS Optimization

-34%

Potential reduce by 16.4 kB

  • Original 47.8 kB
  • After minification 47.8 kB
  • After compression 31.4 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. Dalton.manchester.ac.uk needs all CSS files to be minified and compressed as it can save up to 16.4 kB or 34% of the original size.

Requests Breakdown

Number of requests can be reduced by 24 (46%)

Requests Now

52

After Optimization

28

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 52 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Dalton 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 15 to 1 for JavaScripts and from 11 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

dalton.manchester.ac.uk

dalton.manchester.ac.uk

344 ms

www.dalton.manchester.ac.uk

www.dalton.manchester.ac.uk

538 ms

global-mhs-v3.css

global-mhs-v3.css

607 ms

left-menu-new.css

left-menu-new.css

541 ms

mobile-menu.css

mobile-menu.css

546 ms

lightbox.css

lightbox.css

557 ms

slick.css

slick.css

559 ms

slick-theme.css

slick-theme.css

558 ms

css

css

41 ms

modifications13.css

modifications13.css

626 ms

Colours.css

Colours.css

632 ms

Custom2.css

Custom2.css

645 ms

cookie-banner-01.css

cookie-banner-01.css

642 ms

modernizr-3.7.0-custom-02.min.js

modernizr-3.7.0-custom-02.min.js

532 ms

OtAutoBlock.js

OtAutoBlock.js

43 ms

otSDKStub.js

otSDKStub.js

59 ms

jquery-3.6.0.min.js

jquery-3.6.0.min.js

636 ms

jquery-migrate-3.3.2.js

jquery-migrate-3.3.2.js

551 ms

iScroll.js

iScroll.js

737 ms

global-plugins.js

global-plugins.js

747 ms

slick.js

slick.js

748 ms

imagelightbox.js

imagelightbox.js

748 ms

imagelightbox-init.js

imagelightbox-init.js

749 ms

global16.js

global16.js

748 ms

mobile-menu.js

mobile-menu.js

748 ms

custom.js

custom.js

782 ms

mega-menu-keyboard-01.min.js

mega-menu-keyboard-01.min.js

553 ms

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

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

86 ms

Managing-the-UK-plutonium-stockpile_Dalton-Nuclear-Institute1400x400.jpg

Managing-the-UK-plutonium-stockpile_Dalton-Nuclear-Institute1400x400.jpg

528 ms

500_untitleddesign6.png

500_untitleddesign6.png

76 ms

icon-menu-white.png

icon-menu-white.png

110 ms

menu-arrow-down-open-grey.png

menu-arrow-down-open-grey.png

109 ms

500_logo-erc-flag-fp.png

500_logo-erc-flag-fp.png

72 ms

500_abm-cdt-cropped.jpg

500_abm-cdt-cropped.jpg

72 ms

500_zara1000x1000.jpg

500_zara1000x1000.jpg

74 ms

Fuel-cladding.jpg

Fuel-cladding.jpg

488 ms

Reactors.jpg

Reactors.jpg

452 ms

Recycle.jpg

Recycle.jpg

468 ms

Environment.jpg

Environment.jpg

467 ms

Decomissioning.jpg

Decomissioning.jpg

466 ms

Nuclear.jpg

Nuclear.jpg

623 ms

fusion_500x298.jpg

fusion_500x298.jpg

640 ms

Health.jpg

Health.jpg

728 ms

icon-menu-25x20.gif

icon-menu-25x20.gif

151 ms

Dalton_logo_102x206.png

Dalton_logo_102x206.png

151 ms

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

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

151 ms

icon-home-white.png

icon-home-white.png

166 ms

icon-moreArrow-right.png

icon-moreArrow-right.png

165 ms

icon-carousel-left.png

icon-carousel-left.png

206 ms

icon-carousel-right.png

icon-carousel-right.png

228 ms

icon-twitter-50.png

icon-twitter-50.png

229 ms

icon-linkedin-50.png

icon-linkedin-50.png

226 ms

icon-youtube-50.png

icon-youtube-50.png

238 ms

500_untitleddesign6.png

500_untitleddesign6.png

71 ms

500_logo-erc-flag-fp.png

500_logo-erc-flag-fp.png

554 ms

500_abm-cdt-cropped.jpg

500_abm-cdt-cropped.jpg

71 ms

500_zara1000x1000.jpg

500_zara1000x1000.jpg

570 ms

location

location

76 ms

font

font

69 ms

Accessibility Review

dalton.manchester.ac.uk accessibility score

100

Accessibility Issues

Best Practices

dalton.manchester.ac.uk best practices score

67

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

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

dalton.manchester.ac.uk SEO score

83

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 Dalton.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 Dalton.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

dalton.manchester.ac.uk

Open Graph description is not detected on the main page of Dalton 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: