Tools & Wizards About Us

Report Summary

  • 27

    Performance

    Renders faster than
    46% of other websites

  • 68

    Accessibility

    Visual factors better than
    that of 33% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 62

    SEO

    Google-friendlier than
    23% of websites

crawleysc.co.uk

Crawley Swimming Club Home

Page Load Speed

3.4 sec in total

First Response

163 ms

Resources Loaded

3 sec

Page Rendered

249 ms

About Website

Welcome to crawleysc.co.uk homepage info - get ready to check Crawley Sc best content right away, or after learning these important things about crawleysc.co.uk

Visit crawleysc.co.uk

Key Findings

We analyzed Crawleysc.co.uk page load time and found that the first response time was 163 ms and then it took 3.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

crawleysc.co.uk performance score

27

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value14.3 s

0/100

10%

LCP (Largest Contentful Paint)

Value21.2 s

0/100

25%

SI (Speed Index)

Value17.7 s

0/100

10%

TBT (Total Blocking Time)

Value710 ms

42/100

30%

CLS (Cumulative Layout Shift)

Value0.06

98/100

15%

TTI (Time to Interactive)

Value24.2 s

0/100

10%

Network Requests Diagram

crawleysc.co.uk

163 ms

crawleysc.co.uk

144 ms

www.crawleysc.co.uk

113 ms

www.crawleysc.co.uk

141 ms

Home.jsp

32 ms

Our browser made a total of 80 requests to load all elements on the main page. We found that 70% of them (56 requests) were addressed to the original Crawleysc.co.uk, 23% (18 requests) were made to Platform.twitter.com and 3% (2 requests) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (857 ms) belongs to the original domain Crawleysc.co.uk.

Page Optimization Overview & Recommendations

Page size can be reduced by 64.5 kB (15%)

Content Size

440.0 kB

After Optimization

375.5 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Crawleysc.co.uk main page is 440.0 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. 65% of websites need less resources to load. Images take 308.5 kB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 34.6 kB

  • Original 43.7 kB
  • After minification 42.0 kB
  • After compression 9.1 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 34.6 kB or 79% of the original size.

Image Optimization

-7%

Potential reduce by 20.2 kB

  • Original 308.5 kB
  • After minification 288.3 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. Crawley Sc images are well optimized though.

JavaScript Optimization

-11%

Potential reduce by 9.6 kB

  • Original 86.6 kB
  • After minification 86.6 kB
  • After compression 77.0 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 9.6 kB or 11% of the original size.

CSS Optimization

-2%

Potential reduce by 25 B

  • Original 1.2 kB
  • After minification 1.2 kB
  • After compression 1.2 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. Crawleysc.co.uk has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 57 (78%)

Requests Now

73

After Optimization

16

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 73 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Crawley Sc. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 40 to 1 for JavaScripts and from 19 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

crawleysc.co.uk accessibility score

68

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[role] values are not valid

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.

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

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

crawleysc.co.uk best practices score

67

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

Missing source maps for large first-party JavaScript

SEO Factors

crawleysc.co.uk SEO score

62

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

High

Image elements do not have [alt] attributes

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

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    N/A

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Crawleysc.co.uk can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Crawleysc.co.uk main page’s claimed encoding is . 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 Crawley Sc. 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: