Report Summary

  • 94

    Performance

    Renders faster than
    93% of other websites

  • 63

    Accessibility

    Visual factors better than
    that of 28% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    81% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

4d-ultrasoundscan.co.uk

4d-ultrasoundscan.co.uk - 4d ultrasoundscan Resources and Information.

Page Load Speed

2.9 sec in total

First Response

279 ms

Resources Loaded

2.2 sec

Page Rendered

450 ms

4d-ultrasoundscan.co.uk screenshot

About Website

Welcome to 4d-ultrasoundscan.co.uk homepage info - get ready to check 4d Ultrasoundscan best content right away, or after learning these important things about 4d-ultrasoundscan.co.uk

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Key Findings

We analyzed 4d-ultrasoundscan.co.uk page load time and found that the first response time was 279 ms and then it took 2.6 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

4d-ultrasoundscan.co.uk performance score

94

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.8 s

91/100

10%

LCP (Largest Contentful Paint)

Value1.8 s

99/100

25%

SI (Speed Index)

Value2.0 s

99/100

10%

TBT (Total Blocking Time)

Value100 ms

98/100

30%

CLS (Cumulative Layout Shift)

Value0.144

78/100

15%

TTI (Time to Interactive)

Value2.9 s

96/100

10%

Network Requests Diagram

4d-ultrasoundscan.co.uk

279 ms

wp-emoji-release.min.js

85 ms

sociable.css

123 ms

css

25 ms

combined.css

138 ms

Our browser made a total of 66 requests to load all elements on the main page. We found that 77% of them (51 requests) were addressed to the original 4d-ultrasoundscan.co.uk, 5% (3 requests) were made to Apis.google.com and 5% (3 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (926 ms) belongs to the original domain 4d-ultrasoundscan.co.uk.

Page Optimization Overview & Recommendations

Page size can be reduced by 803.5 kB (52%)

Content Size

1.6 MB

After Optimization

747.8 kB

In fact, the total size of 4d-ultrasoundscan.co.uk main page is 1.6 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. 50% of websites need less resources to load. Javascripts take 739.2 kB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 43.2 kB

  • Original 55.4 kB
  • After minification 52.9 kB
  • After compression 12.2 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 43.2 kB or 78% of the original size.

Image Optimization

-18%

Potential reduce by 100.8 kB

  • Original 570.9 kB
  • After minification 470.0 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. Obviously, 4d Ultrasoundscan needs image optimization as it can save up to 100.8 kB or 18% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-68%

Potential reduce by 502.7 kB

  • Original 739.2 kB
  • After minification 736.5 kB
  • After compression 236.5 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 502.7 kB or 68% of the original size.

CSS Optimization

-84%

Potential reduce by 156.7 kB

  • Original 185.8 kB
  • After minification 166.1 kB
  • After compression 29.1 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. 4d-ultrasoundscan.co.uk needs all CSS files to be minified and compressed as it can save up to 156.7 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 32 (50%)

Requests Now

64

After Optimization

32

The browser has sent 64 CSS, Javascripts, AJAX and image requests in order to completely render the main page of 4d Ultrasoundscan. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 25 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

4d-ultrasoundscan.co.uk accessibility score

63

Accessibility Issues

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

<frame> or <iframe> elements do not have a title

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

4d-ultrasoundscan.co.uk best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

SEO Factors

4d-ultrasoundscan.co.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

Page is blocked from indexing

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 doesn't use legible font sizes

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 4d-ultrasoundscan.co.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 4d-ultrasoundscan.co.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 description is not detected on the main page of 4d Ultrasoundscan. 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: