Tools & Wizards About Us
chemistry.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

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 84

    SEO

    Google-friendlier than
    52% of websites

chemistry.manchester.ac.uk

Department of Chemistry - The University of Manchester

Page Load Speed

3.3 sec in total

First Response

358 ms

Resources Loaded

2.6 sec

Page Rendered

414 ms

chemistry.manchester.ac.uk screenshot

About Website

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

Ignite your potential with an undergraduate, taught master's or postgraduate research degree at The University of Manchester's Department of Chemistry.

Visit chemistry.manchester.ac.uk

Key Findings

We analyzed Chemistry.manchester.ac.uk page load time and found that the first response time was 358 ms and then it took 3 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

chemistry.manchester.ac.uk performance score

17

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.2 s

19/100

10%

LCP (Largest Contentful Paint)

Value17.1 s

0/100

25%

SI (Speed Index)

Value8.6 s

17/100

10%

TBT (Total Blocking Time)

Value3,200 ms

2/100

30%

CLS (Cumulative Layout Shift)

Value0.118

85/100

15%

TTI (Time to Interactive)

Value24.9 s

0/100

10%

Network Requests Diagram

chemistry.manchester.ac.uk

358 ms

www.chemistry.manchester.ac.uk

680 ms

maze-universal-loader.js

25 ms

global-mhs-v3.css

467 ms

left-menu-new.css

384 ms

Our browser made a total of 63 requests to load all elements on the main page. We found that 5% of them (3 requests) were addressed to the original Chemistry.manchester.ac.uk, 46% (29 requests) were made to Webassets.manchester.ac.uk and 13% (8 requests) were made to Content.presspage.com. The less responsive or slowest element that took the longest time to load (819 ms) belongs to the original domain Chemistry.manchester.ac.uk.

Page Optimization Overview & Recommendations

Page size can be reduced by 128.9 kB (10%)

Content Size

1.3 MB

After Optimization

1.1 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Chemistry.manchester.ac.uk main page is 1.3 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 802.2 kB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 56.2 kB

  • Original 68.3 kB
  • After minification 56.1 kB
  • After compression 12.0 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 12.2 kB, which is 18% 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 56.2 kB or 82% of the original size.

Image Optimization

-4%

Potential reduce by 34.7 kB

  • Original 802.2 kB
  • After minification 767.4 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. Chemistry Manchester images are well optimized though.

JavaScript Optimization

-7%

Potential reduce by 21.4 kB

  • Original 291.7 kB
  • After minification 291.7 kB
  • After compression 270.4 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. This website has mostly compressed JavaScripts.

CSS Optimization

-15%

Potential reduce by 16.5 kB

  • Original 107.4 kB
  • After minification 107.4 kB
  • After compression 90.9 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. Chemistry.manchester.ac.uk needs all CSS files to be minified and compressed as it can save up to 16.5 kB or 15% of the original size.

Requests Breakdown

Number of requests can be reduced by 31 (60%)

Requests Now

52

After Optimization

21

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 52 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Chemistry 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 20 to 1 for JavaScripts and from 13 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

chemistry.manchester.ac.uk

chemistry.manchester.ac.uk

358 ms

www.chemistry.manchester.ac.uk

www.chemistry.manchester.ac.uk

680 ms

maze-universal-loader.js

maze-universal-loader.js

25 ms

global-mhs-v3.css

global-mhs-v3.css

467 ms

left-menu-new.css

left-menu-new.css

384 ms

mobile-menu.css

mobile-menu.css

390 ms

lightbox.css

lightbox.css

397 ms

slick.css

slick.css

398 ms

slick-theme.css

slick-theme.css

399 ms

css

css

46 ms

modifications13.css

modifications13.css

474 ms

Colours.css

Colours.css

478 ms

footer_logo.css

footer_logo.css

482 ms

Custom2.css

Custom2.css

484 ms

cookie-banner-01.css

cookie-banner-01.css

487 ms

modernizr-3.7.0-custom-02.min.js

modernizr-3.7.0-custom-02.min.js

403 ms

OtAutoBlock.js

OtAutoBlock.js

69 ms

otSDKStub.js

otSDKStub.js

83 ms

jquery-3.6.0.min.js

jquery-3.6.0.min.js

581 ms

jquery-migrate-3.3.2.js

jquery-migrate-3.3.2.js

403 ms

iScroll.js

iScroll.js

623 ms

global-plugins.js

global-plugins.js

678 ms

slick.js

slick.js

622 ms

imagelightbox.js

imagelightbox.js

621 ms

imagelightbox-init.js

imagelightbox-init.js

622 ms

global16.js

global16.js

625 ms

mobile-menu.js

mobile-menu.js

696 ms

custom.js

custom.js

698 ms

mega-menu-keyboard-01.min.js

mega-menu-keyboard-01.min.js

401 ms

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

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

88 ms

social-responsibility-banner1400x400.jpg

social-responsibility-banner1400x400.jpg

819 ms

bHkTSn8xNoQ

bHkTSn8xNoQ

186 ms

500_untitleddesign2.png

500_untitleddesign2.png

62 ms

500_mibexterior1.jpg

500_mibexterior1.jpg

67 ms

500_studentdistancechallenge.jpg

500_studentdistancechallenge.jpg

68 ms

500_2024-01-25-debo-cover-suggestion-mechanochemistry.jpeg

500_2024-01-25-debo-cover-suggestion-mechanochemistry.jpeg

69 ms

icon-menu-25x20.gif

icon-menu-25x20.gif

173 ms

logo-university-of-manchester.png

logo-university-of-manchester.png

177 ms

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

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

178 ms

icon-home-white.png

icon-home-white.png

289 ms

icon-moreArrow-right.png

icon-moreArrow-right.png

290 ms

icon-facebook-50.png

icon-facebook-50.png

290 ms

icon-twitter-50.png

icon-twitter-50.png

288 ms

icon-instagram-new-50.png

icon-instagram-new-50.png

289 ms

icon-wordpress-50.png

icon-wordpress-50.png

289 ms

icon-menu-white.png

icon-menu-white.png

115 ms

menu-arrow-down-open-grey.png

menu-arrow-down-open-grey.png

113 ms

icons-discover.png

icons-discover.png

688 ms

500_untitleddesign2.png

500_untitleddesign2.png

61 ms

500_mibexterior1.jpg

500_mibexterior1.jpg

67 ms

location

location

73 ms

500_studentdistancechallenge.jpg

500_studentdistancechallenge.jpg

84 ms

500_2024-01-25-debo-cover-suggestion-mechanochemistry.jpeg

500_2024-01-25-debo-cover-suggestion-mechanochemistry.jpeg

82 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0B4gaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0B4gaVc.ttf

44 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsiH0B4gaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsiH0B4gaVc.ttf

61 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsgH1x4gaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsgH1x4gaVc.ttf

67 ms

www-player.css

www-player.css

57 ms

www-embed-player.js

www-embed-player.js

110 ms

base.js

base.js

147 ms

jBgyfngz26SfxQlNiQ6GVTB7xNcGg8C7SFNQ47_uFL0.js

jBgyfngz26SfxQlNiQ6GVTB7xNcGg8C7SFNQ47_uFL0.js

108 ms

embed.js

embed.js

53 ms

KFOlCnqEu92Fr1MmEU9fBBc9.ttf

KFOlCnqEu92Fr1MmEU9fBBc9.ttf

14 ms

KFOmCnqEu92Fr1Mu4mxP.ttf

KFOmCnqEu92Fr1Mu4mxP.ttf

48 ms

Accessibility Review

chemistry.manchester.ac.uk accessibility score

100

Accessibility Issues

Best Practices

chemistry.manchester.ac.uk best practices score

58

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

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

chemistry.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 Chemistry.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 Chemistry.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

chemistry.manchester.ac.uk

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