Report Summary

  • 16

    Performance

    Renders faster than
    30% of other websites

  • 68

    Accessibility

    Visual factors better than
    that of 33% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 89

    SEO

    Google-friendlier than
    67% of websites

ndc.co.uk

NDC - Dell & Alienware Laptops for Sale in the UK and Worldwide

Page Load Speed

28.6 sec in total

First Response

1.1 sec

Resources Loaded

17.5 sec

Page Rendered

10 sec

ndc.co.uk screenshot

About Website

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

Largest range of refurbished Dell & Alienware Laptops in UK, including Alienware M17x, M15x, M11x, Latitude and Inspiron Mini Netbooks! Click now to shop or call 0844 770 1652

Visit ndc.co.uk

Key Findings

We analyzed Ndc.co.uk page load time and found that the first response time was 1.1 sec and then it took 27.5 sec to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster.

Performance Metrics

ndc.co.uk performance score

16

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.5 s

15/100

10%

LCP (Largest Contentful Paint)

Value15.7 s

0/100

25%

SI (Speed Index)

Value10.3 s

8/100

10%

TBT (Total Blocking Time)

Value780 ms

37/100

30%

CLS (Cumulative Layout Shift)

Value0.574

12/100

15%

TTI (Time to Interactive)

Value15.4 s

7/100

10%

Network Requests Diagram

www.ndc.co.uk

1104 ms

styles.css

1112 ms

widgets.css

722 ms

amshopby.css

643 ms

itemslider.css

728 ms

Our browser made a total of 96 requests to load all elements on the main page. We found that 93% of them (89 requests) were addressed to the original Ndc.co.uk, 3% (3 requests) were made to Fonts.gstatic.com and 2% (2 requests) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (2.6 sec) belongs to the original domain Ndc.co.uk.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.0 MB (46%)

Content Size

2.2 MB

After Optimization

1.2 MB

In fact, the total size of Ndc.co.uk main page is 2.2 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. 75% 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 983.7 kB which makes up the majority of the site volume.

HTML Optimization

-87%

Potential reduce by 94.4 kB

  • Original 107.9 kB
  • After minification 90.7 kB
  • After compression 13.6 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. This page needs HTML code to be minified as it can gain 17.3 kB, which is 16% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 94.4 kB or 87% of the original size.

Image Optimization

-1%

Potential reduce by 6.7 kB

  • Original 983.7 kB
  • After minification 977.1 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. NDC images are well optimized though.

JavaScript Optimization

-76%

Potential reduce by 449.2 kB

  • Original 592.0 kB
  • After minification 452.7 kB
  • After compression 142.8 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 449.2 kB or 76% of the original size.

CSS Optimization

-89%

Potential reduce by 466.2 kB

  • Original 525.6 kB
  • After minification 327.4 kB
  • After compression 59.4 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. Ndc.co.uk needs all CSS files to be minified and compressed as it can save up to 466.2 kB or 89% of the original size.

Requests Breakdown

Number of requests can be reduced by 60 (67%)

Requests Now

89

After Optimization

29

The browser has sent 89 CSS, Javascripts, AJAX and image requests in order to completely render the main page of NDC. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 29 to 1 for JavaScripts and from 33 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

ndc.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

[aria-*] attributes do not match their roles

High

ARIA IDs are not unique

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

Buttons do not have an accessible name

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.

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

ndc.co.uk best practices score

83

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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

ndc.co.uk SEO score

89

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

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

    UTF-8

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