Report Summary

  • 15

    Performance

    Renders faster than
    27% of other websites

  • 84

    Accessibility

    Visual factors better than
    that of 57% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

datatransmission.co.uk

The Online Dance Music Authority - Data Transmission

Page Load Speed

4.3 sec in total

First Response

271 ms

Resources Loaded

3.3 sec

Page Rendered

754 ms

datatransmission.co.uk screenshot

About Website

Click here to check amazing Data Transmission content for United Kingdom. Otherwise, check out these important facts you probably never knew about datatransmission.co.uk

Data Transmission is The Online Dance Music Authority and Online Dance Music Radio Station, DT Radio covering House, Techno and Drum & Bass...

Visit datatransmission.co.uk

Key Findings

We analyzed Datatransmission.co.uk page load time and found that the first response time was 271 ms and then it took 4 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

datatransmission.co.uk performance score

15

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value7.1 s

1/100

10%

LCP (Largest Contentful Paint)

Value17.7 s

0/100

25%

SI (Speed Index)

Value25.4 s

0/100

10%

TBT (Total Blocking Time)

Value40,000 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.015

100/100

15%

TTI (Time to Interactive)

Value53.8 s

0/100

10%

Network Requests Diagram

datatransmission.co.uk

271 ms

www.datatransmission.co.uk

373 ms

wp-emoji-release.min.js

80 ms

font-awesome.min.css

5 ms

slider.css

161 ms

Our browser made a total of 226 requests to load all elements on the main page. We found that 24% of them (54 requests) were addressed to the original Datatransmission.co.uk, 8% (18 requests) were made to Bh.contextweb.com and 5% (11 requests) were made to D234qeqk649blg.cloudfront.net. The less responsive or slowest element that took the longest time to load (1.1 sec) belongs to the original domain Datatransmission.co.uk.

Page Optimization Overview & Recommendations

Page size can be reduced by 849.2 kB (18%)

Content Size

4.8 MB

After Optimization

4.0 MB

In fact, the total size of Datatransmission.co.uk main page is 4.8 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. 80% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 3.7 MB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 64.6 kB

  • Original 78.0 kB
  • After minification 72.6 kB
  • After compression 13.3 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 64.6 kB or 83% of the original size.

Image Optimization

-3%

Potential reduce by 92.9 kB

  • Original 3.7 MB
  • After minification 3.6 MB

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. Data Transmission images are well optimized though.

JavaScript Optimization

-60%

Potential reduce by 512.2 kB

  • Original 859.2 kB
  • After minification 836.7 kB
  • After compression 347.0 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 512.2 kB or 60% of the original size.

CSS Optimization

-82%

Potential reduce by 179.4 kB

  • Original 220.2 kB
  • After minification 212.5 kB
  • After compression 40.7 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. Datatransmission.co.uk needs all CSS files to be minified and compressed as it can save up to 179.4 kB or 82% of the original size.

Requests Breakdown

Number of requests can be reduced by 118 (59%)

Requests Now

199

After Optimization

81

The browser has sent 199 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Data Transmission. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 35 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

datatransmission.co.uk accessibility score

84

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

datatransmission.co.uk best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

datatransmission.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

Links are not crawlable

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Image elements do not have [alt] attributes

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

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    EN

  • Encoding

    N/A

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Datatransmission.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 Datatransmission.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 data is detected on the main page of Data Transmission. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: