Report Summary

  • 100

    Performance

    Renders faster than
    97% of other websites

  • 84

    Accessibility

    Visual factors better than
    that of 57% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 58

    SEO

    Google-friendlier than
    20% of websites

randd.defra.gov.uk

Science Search

Page Load Speed

8.4 sec in total

First Response

3.8 sec

Resources Loaded

4.5 sec

Page Rendered

104 ms

randd.defra.gov.uk screenshot

About Website

Click here to check amazing Randd Defra content for United Kingdom. Otherwise, check out these important facts you probably never knew about randd.defra.gov.uk

Science Search is a Defra Service to allow searching of Defra sponsored research.

Visit randd.defra.gov.uk

Key Findings

We analyzed Randd.defra.gov.uk page load time and found that the first response time was 3.8 sec and then it took 4.6 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

randd.defra.gov.uk performance score

100

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.2 s

99/100

10%

LCP (Largest Contentful Paint)

Value1.3 s

100/100

25%

SI (Speed Index)

Value1.7 s

100/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value1.2 s

100/100

10%

Network Requests Diagram

randd.defra.gov.uk

3842 ms

Default.aspx

341 ms

defra-ns4.css

247 ms

defra-ie.css

346 ms

dotnet.css

166 ms

Our browser made a total of 8 requests to load all elements on the main page. We found that all of those requests were addressed to Randd.defra.gov.uk and no external sources were called. The less responsive or slowest element that took the longest time to load (3.8 sec) belongs to the original domain Randd.defra.gov.uk.

Page Optimization Overview & Recommendations

Page size can be reduced by 24.1 kB (81%)

Content Size

29.7 kB

After Optimization

5.6 kB

In fact, the total size of Randd.defra.gov.uk main page is 29.7 kB. This result falls within a vast category (top 1 000 000) of heavyweight, probably not optimized, and thus slow loading web pages. Only a small number of websites need less resources to load. CSS take 17.8 kB which makes up the majority of the site volume.

HTML Optimization

-74%

Potential reduce by 8.8 kB

  • Original 11.9 kB
  • After minification 11.0 kB
  • After compression 3.1 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 8.8 kB or 74% of the original size.

CSS Optimization

-86%

Potential reduce by 15.3 kB

  • Original 17.8 kB
  • After minification 12.7 kB
  • After compression 2.5 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. Randd.defra.gov.uk needs all CSS files to be minified and compressed as it can save up to 15.3 kB or 86% of the original size.

Requests Breakdown

Number of requests can be reduced by 3 (50%)

Requests Now

6

After Optimization

3

The browser has sent 6 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Randd Defra. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

randd.defra.gov.uk accessibility score

84

Accessibility Issues

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

[accesskey] values are not unique

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

Links do not have a discernible name

Best Practices

randd.defra.gov.uk best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

SEO Factors

randd.defra.gov.uk SEO score

58

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

Language and Encoding

  • Language Detected

    N/A

  • Language Claimed

    EN

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Randd.defra.gov.uk can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else), while the claimed language is English. Our system also found out that Randd.defra.gov.uk main page’s claimed encoding is iso-8859-1. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

Open Graph description is not detected on the main page of Randd Defra. 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: