Report Summary

  • 0

    Performance

  • 0

    Accessibility

  • 0

    Best Practices

  • 0

    SEO

commerce3.derby.ac.uk

Department of Electronics, Computing & Mathematics | University of Derby

Page Load Speed

2.3 sec in total

First Response

251 ms

Resources Loaded

1.8 sec

Page Rendered

213 ms

commerce3.derby.ac.uk screenshot

About Website

Click here to check amazing Commerce 3 Derby content for United Kingdom. Otherwise, check out these important facts you probably never knew about commerce3.derby.ac.uk

University of Derby

Visit commerce3.derby.ac.uk

Key Findings

We analyzed Commerce3.derby.ac.uk page load time and found that the first response time was 251 ms and then it took 2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.

Performance Metrics

commerce3.derby.ac.uk performance score

0

Network Requests Diagram

commerce3.derby.ac.uk

251 ms

c

410 ms

340 ms

style.css

84 ms

genericons.css

249 ms

Our browser made a total of 21 requests to load all elements on the main page. We found that 10% of them (2 requests) were addressed to the original Commerce3.derby.ac.uk, 62% (13 requests) were made to Computing.derby.ac.uk and 14% (3 requests) were made to S.gravatar.com. The less responsive or slowest element that took the longest time to load (410 ms) relates to the external source Computing.derby.ac.uk.

Page Optimization Overview & Recommendations

Page size can be reduced by 210.7 kB (48%)

Content Size

439.8 kB

After Optimization

229.1 kB

In fact, the total size of Commerce3.derby.ac.uk main page is 439.8 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 20% of websites need less resources to load. Javascripts take 153.6 kB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 20.9 kB

  • Original 26.7 kB
  • After minification 25.9 kB
  • After compression 5.8 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 20.9 kB or 78% of the original size.

Image Optimization

-5%

Potential reduce by 6.9 kB

  • Original 139.0 kB
  • After minification 132.2 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. Commerce 3 Derby images are well optimized though.

JavaScript Optimization

-62%

Potential reduce by 95.0 kB

  • Original 153.6 kB
  • After minification 153.3 kB
  • After compression 58.6 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 95.0 kB or 62% of the original size.

CSS Optimization

-73%

Potential reduce by 87.9 kB

  • Original 120.4 kB
  • After minification 109.9 kB
  • After compression 32.5 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. Commerce3.derby.ac.uk needs all CSS files to be minified and compressed as it can save up to 87.9 kB or 73% of the original size.

Requests Breakdown

Number of requests can be reduced by 12 (71%)

Requests Now

17

After Optimization

5

The browser has sent 17 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Commerce 3 Derby. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

SEO Factors

commerce3.derby.ac.uk SEO score

0

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 Commerce3.derby.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 Commerce3.derby.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

Open Graph data is detected on the main page of Commerce 3 Derby. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: