Report Summary

  • 92

    Performance

    Renders faster than
    92% of other websites

  • 86

    Accessibility

    Visual factors better than
    that of 62% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    81% of websites

  • 100

    SEO

    Google-friendlier than
    95% of websites

Page Load Speed

3.3 sec in total

First Response

252 ms

Resources Loaded

2.9 sec

Page Rendered

161 ms

ndcasa.org.uk screenshot

About Website

Visit ndcasa.org.uk now to see the best up-to-date Ndcasa content for United Kingdom and also check out these interesting facts you probably never knew about ndcasa.org.uk

Swimming Association

Visit ndcasa.org.uk

Key Findings

We analyzed Ndcasa.org.uk page load time and found that the first response time was 252 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

ndcasa.org.uk performance score

92

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.5 s

69/100

10%

LCP (Largest Contentful Paint)

Value2.8 s

82/100

25%

SI (Speed Index)

Value2.5 s

98/100

10%

TBT (Total Blocking Time)

Value90 ms

99/100

30%

CLS (Cumulative Layout Shift)

Value0.029

100/100

15%

TTI (Time to Interactive)

Value2.8 s

97/100

10%

Network Requests Diagram

ndcasa.org.uk

252 ms

swim

82 ms

282 ms

mootools-core.js

403 ms

core.js

163 ms

Our browser made a total of 19 requests to load all elements on the main page. We found that all of those requests were addressed to Ndcasa.org.uk and no external sources were called. The less responsive or slowest element that took the longest time to load (1.1 sec) belongs to the original domain Ndcasa.org.uk.

Page Optimization Overview & Recommendations

Page size can be reduced by 568.2 kB (57%)

Content Size

1.0 MB

After Optimization

433.5 kB

In fact, the total size of Ndcasa.org.uk main page is 1.0 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. Only 10% of websites need less resources to load. Javascripts take 470.5 kB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 11.0 kB

  • Original 14.5 kB
  • After minification 14.1 kB
  • After compression 3.5 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 11.0 kB or 76% of the original size.

Image Optimization

-37%

Potential reduce by 169.2 kB

  • Original 452.9 kB
  • After minification 283.7 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, Ndcasa needs image optimization as it can save up to 169.2 kB or 37% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-71%

Potential reduce by 332.0 kB

  • Original 470.5 kB
  • After minification 449.7 kB
  • After compression 138.4 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 332.0 kB or 71% of the original size.

CSS Optimization

-88%

Potential reduce by 56.0 kB

  • Original 63.8 kB
  • After minification 48.4 kB
  • After compression 7.8 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. Ndcasa.org.uk needs all CSS files to be minified and compressed as it can save up to 56.0 kB or 88% of the original size.

Requests Breakdown

Number of requests can be reduced by 8 (50%)

Requests Now

16

After Optimization

8

The browser has sent 16 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Ndcasa. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

ndcasa.org.uk accessibility score

86

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

ndcasa.org.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

ndcasa.org.uk SEO score

100

Search Engine Optimization Advices

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

Language and Encoding

  • Language Detected

    N/A

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Ndcasa.org.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 Ndcasa.org.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 Ndcasa. 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: