Access 4dj.co.uk. 4DJ UK – DJ Equipment, Lighting & PA in Birmingham, UK

name

value

score

weighting

FCP (First Contentful Paint)

Value6.8 s

2/100

10%

LCP (Largest Contentful Paint)

Value13.1 s

0/100

25%

SI (Speed Index)

Value16.0 s

0/100

10%

TBT (Total Blocking Time)

Value3,530 ms

1/100

30%

CLS (Cumulative Layout Shift)

Value0.166

71/100

15%

TTI (Time to Interactive)

Value17.9 s

4/100

10%

4dj.co.uk

1866 ms

4dj.co.uk

433 ms

4bc828d3f2.js

70 ms

4142p.css

84 ms

4142p.css

167 ms

Our browser made a total of 103 requests to load all elements on the main page. We found that 79% of them (81 requests) were addressed to the original 4dj.co.uk, 6% (6 requests) were made to Google.com and 5% (5 requests) were made to Gstatic.com. The less responsive or slowest element that took the longest time to load (1.9 sec) belongs to the original domain 4dj.co.uk.

Content Size

1.2 MB

After Optimization

1.0 MB

In fact, the total size of 4dj.co.uk main page is 1.2 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. 65% of websites need less resources to load. Images take 786.9 kB which makes up the majority of the site volume.

HTML Optimization

-87%

Potential reduce by 137.7 kB

Original 158.4 kB
After minification 154.9 kB
After compression 20.6 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 137.7 kB or 87% of the original size.

Image Optimization

-2%

Potential reduce by 12.0 kB

Original 786.9 kB
After minification 774.8 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. 4DJ images are well optimized though.

JavaScript Optimization

-13%

Potential reduce by 22.0 kB

Original 174.9 kB
After minification 174.9 kB
After compression 152.8 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 22.0 kB or 13% of the original size.

CSS Optimization

-16%

Potential reduce by 15.8 kB

Original 97.1 kB
After minification 97.1 kB
After compression 81.3 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. 4dj.co.uk needs all CSS files to be minified and compressed as it can save up to 15.8 kB or 16% of the original size.

Requests Now

After Optimization

The browser has sent 97 CSS, Javascripts, AJAX and image requests in order to completely render the main page of 4DJ. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 43 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

These are opportunities to improve the legibility of your content.

High

Background and foreground colors do not have a sufficient contrast ratio.

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.

High

Links do not have a discernible name

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

These items highlight common accessibility best practices.

High

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

Areas of Improvement

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

High

Serves images with low resolution

Low

Detected JavaScript libraries

High

Page has valid source maps

Search Engine Optimization Advices

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/).

High

Document uses legible font sizes

High

Tap targets are not sized appropriately

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 4dj.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 4dj.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

4dj.co.uk

Open Graph data is detected on the main page of 4DJ. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook:

Report Summary

Performance

Accessibility

Best Practices

SEO

4DJ UK – DJ Equipment, Lighting & PA in Birmingham, UK

Page Load Speed

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Measured Metrics

FCP (First Contentful Paint)

LCP (Largest Contentful Paint)

SI (Speed Index)

TBT (Total Blocking Time)

CLS (Cumulative Layout Shift)

TTI (Time to Interactive)

Network Requests Diagram

4dj.co.uk

4dj.co.uk

4bc828d3f2.js

4142p.css

4142p.css

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Image Optimization

JavaScript Optimization

CSS Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

4dj.co.uk

4dj.co.uk

4bc828d3f2.js

4142p.css

4142p.css

4142p.css

4142p.css

jquery.min.js

analytics.js

public.js

headerScript.min.js

jquery.blockUI.min.js

add-to-cart.min.js

js.cookie.min.js

woocommerce.min.js

frontend.js

js

slim-10_7.css

4142p.css

hooks.min.js

i18n.min.js

index.js

index.js

mailchimp-woocommerce-public.min.js

app-min.js

sourcebuster.min.js

order-attribution.min.js

api.js

wp-polyfill.min.js

index.js

icheck.min.js

front.js

radio.js

checkbox.js

select.js

mselect.js

core.min.js

mouse.min.js

slider.min.js

jquery-ui-touch-punch.min.js

accounting.min.js

price-slider.min.js

api.js