Tools & Wizards About Us
grantham.sheffield.ac.uk screenshot

Report Summary

  • 16

    Performance

    Renders faster than
    30% of other websites

  • 83

    Accessibility

    Visual factors better than
    that of 54% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

grantham.sheffield.ac.uk

The Grantham Centre for Sustainable Futures

Page Load Speed

5.9 sec in total

First Response

1.6 sec

Resources Loaded

4 sec

Page Rendered

374 ms

grantham.sheffield.ac.uk screenshot

About Website

Visit grantham.sheffield.ac.uk now to see the best up-to-date Grantham Sheffield content for United Kingdom and also check out these interesting facts you probably never knew about grantham.sheffield.ac.uk

Grantham Centre for Sustainable Futures research is guided by the UN's SDGs, to solve problems of enough food, energy and water for everyone.

Visit grantham.sheffield.ac.uk

Key Findings

We analyzed Grantham.sheffield.ac.uk page load time and found that the first response time was 1.6 sec and then it took 4.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

grantham.sheffield.ac.uk performance score

16

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value8.5 s

0/100

10%

LCP (Largest Contentful Paint)

Value13.5 s

0/100

25%

SI (Speed Index)

Value13.8 s

1/100

10%

TBT (Total Blocking Time)

Value2,330 ms

5/100

30%

CLS (Cumulative Layout Shift)

Value0.058

98/100

15%

TTI (Time to Interactive)

Value25.2 s

0/100

10%

Network Requests Diagram

grantham.sheffield.ac.uk

1567 ms

style.min.css

507 ms

style.css

686 ms

njr4zkh.css

76 ms

algolia-autocomplete.css

248 ms

Our browser made a total of 54 requests to load all elements on the main page. We found that 57% of them (31 requests) were addressed to the original Grantham.sheffield.ac.uk, 11% (6 requests) were made to Use.typekit.net and 11% (6 requests) were made to Youtube.com. The less responsive or slowest element that took the longest time to load (1.6 sec) belongs to the original domain Grantham.sheffield.ac.uk.

Page Optimization Overview & Recommendations

Page size can be reduced by 619.4 kB (23%)

Content Size

2.6 MB

After Optimization

2.0 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Grantham.sheffield.ac.uk main page is 2.6 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. 55% of websites need less resources to load. Images take 1.5 MB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 61.1 kB

  • Original 81.9 kB
  • After minification 75.0 kB
  • After compression 20.8 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 61.1 kB or 75% of the original size.

Image Optimization

-5%

Potential reduce by 75.0 kB

  • Original 1.5 MB
  • After minification 1.4 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. Grantham Sheffield images are well optimized though.

JavaScript Optimization

-27%

Potential reduce by 177.0 kB

  • Original 667.5 kB
  • After minification 664.2 kB
  • After compression 490.5 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 177.0 kB or 27% of the original size.

CSS Optimization

-75%

Potential reduce by 306.4 kB

  • Original 410.5 kB
  • After minification 408.6 kB
  • After compression 104.1 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. Grantham.sheffield.ac.uk needs all CSS files to be minified and compressed as it can save up to 306.4 kB or 75% of the original size.

Requests Breakdown

Number of requests can be reduced by 25 (58%)

Requests Now

43

After Optimization

18

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 43 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Grantham Sheffield. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 21 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

grantham.sheffield.ac.uk

grantham.sheffield.ac.uk

1567 ms

style.min.css

style.min.css

507 ms

style.css

style.css

686 ms

njr4zkh.css

njr4zkh.css

76 ms

algolia-autocomplete.css

algolia-autocomplete.css

248 ms

webfont.js

webfont.js

29 ms

all.js

all.js

72 ms

jquery.min.js

jquery.min.js

475 ms

jquery-migrate.min.js

jquery-migrate.min.js

252 ms

underscore.min.js

underscore.min.js

408 ms

wp-util.min.js

wp-util.min.js

333 ms

algoliasearch.jquery.min.js

algoliasearch.jquery.min.js

554 ms

autocomplete.min.js

autocomplete.min.js

589 ms

autocomplete-noconflict.js

autocomplete-noconflict.js

526 ms

js

js

67 ms

p.css

p.css

28 ms

global.min.js

global.min.js

83 ms

dropdown-menus.js

dropdown-menus.js

85 ms

site-map.js

site-map.js

111 ms

toggle.js

toggle.js

138 ms

comment-reply.min.js

comment-reply.min.js

166 ms

hero.min.js

hero.min.js

167 ms

lPp-MZl_2-E

lPp-MZl_2-E

171 ms

rJtA3q5lyqE

rJtA3q5lyqE

539 ms

grantham-centre-wordmark-logo-dark.svg

grantham-centre-wordmark-logo-dark.svg

138 ms

grantham-centre-hero-image.jpg

grantham-centre-hero-image.jpg

616 ms

icon-research-circle.png

icon-research-circle.png

537 ms

icon-scholars-board.png

icon-scholars-board.png

536 ms

icon-people.png

icon-people.png

368 ms

Green-Watch-election-special-v3-1000x600.png

Green-Watch-election-special-v3-1000x600.png

1045 ms

COP29-call-social-media-template-v2-1000x600.jpg

COP29-call-social-media-template-v2-1000x600.jpg

536 ms

stsp_infographic-text-wrap_web-1-1000x450.jpg

stsp_infographic-text-wrap_web-1-1000x450.jpg

144 ms

MHR-long-thin-1000x318.jpg

MHR-long-thin-1000x318.jpg

146 ms

blue_earth.jpg

blue_earth.jpg

660 ms

tuos-logo.svg

tuos-logo.svg

145 ms

d

d

77 ms

d

d

78 ms

d

d

96 ms

fa-solid-900.woff

fa-solid-900.woff

469 ms

fa-regular-400.woff

fa-regular-400.woff

300 ms

d

d

97 ms

d

d

97 ms

fa-brands-400.woff

fa-brands-400.woff

469 ms

www-player.css

www-player.css

26 ms

www-embed-player.js

www-embed-player.js

44 ms

base.js

base.js

66 ms

ad_status.js

ad_status.js

293 ms

Xal8RkuvyCiU6W_GOvwH_DuhE1BN-1S9Ky9af2kVVy4.js

Xal8RkuvyCiU6W_GOvwH_DuhE1BN-1S9Ky9af2kVVy4.js

234 ms

embed.js

embed.js

150 ms

KFOlCnqEu92Fr1MmEU9fBBc9.ttf

KFOlCnqEu92Fr1MmEU9fBBc9.ttf

55 ms

KFOmCnqEu92Fr1Mu4mxP.ttf

KFOmCnqEu92Fr1Mu4mxP.ttf

132 ms

id

id

33 ms

Create

Create

92 ms

Create

Create

93 ms

Accessibility Review

grantham.sheffield.ac.uk accessibility score

83

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

[aria-*] attributes do not match their roles

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

Background and foreground colors do not have a sufficient contrast ratio.

Names and labels

These are opportunities to improve the semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

Image elements do not have [alt] attributes

Best Practices

grantham.sheffield.ac.uk best practices score

83

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

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

grantham.sheffield.ac.uk SEO score

83

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Image elements do not have [alt] attributes

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 Grantham.sheffield.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 Grantham.sheffield.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

grantham.sheffield.ac.uk

Open Graph data is detected on the main page of Grantham Sheffield. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: