Report Summary

  • 16


    Renders faster than
    31% of other websites

  • 100


    Visual factors better than
    that of 97% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    57% of websites

  • 93


    Google-friendlier than
    84% of websites

Capital One Credit Cards UK | Apply For A Credit Card Online | Capital One

Page Load Speed

5.1 sec in total

First Response

33 ms

Resources Loaded

2.4 sec

Page Rendered

2.6 sec screenshot

About Website

Click here to check amazing Littlewoods Capital One content for United Kingdom. Otherwise, check out these important facts you probably never knew about

Apply for a credit card with Capital One. Offering a range of UK Credit Cards, find the card to suit you and your needs. Discover more.


Key Findings

We analyzed page load time and found that the first response time was 33 ms and then it took 5.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics performance score


Measured Metrics





FCP (First Contentful Paint)

Value5.6 s



LCP (Largest Contentful Paint)

Value8.6 s



SI (Speed Index)

Value14.6 s



TBT (Total Blocking Time)

Value15,920 ms



CLS (Cumulative Layout Shift)




TTI (Time to Interactive)

Value23.7 s



Network Requests Diagram

33 ms

254 ms

567 ms


399 ms


96 ms

Our browser made a total of 42 requests to load all elements on the main page. We found that 5% of them (2 requests) were addressed to the original, 88% (37 requests) were made to and 2% (1 request) were made to The less responsive or slowest element that took the longest time to load (929 ms) relates to the external source

Page Optimization Overview & Recommendations

Page size can be reduced by 206.7 kB (25%)

Content Size

810.6 kB

After Optimization

604.0 kB

In fact, the total size of main page is 810.6 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. 70% of websites need less resources to load. Images take 626.6 kB which makes up the majority of the site volume.

HTML Optimization


Potential reduce by 126.4 kB

  • Original 160.4 kB
  • After minification 160.3 kB
  • After compression 34.0 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 126.4 kB or 79% of the original size.

Image Optimization


Potential reduce by 79.8 kB

  • Original 626.6 kB
  • After minification 546.8 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. Obviously, Littlewoods Capital One needs image optimization as it can save up to 79.8 kB or 13% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization


Potential reduce by 468 B

  • Original 23.0 kB
  • After minification 22.8 kB
  • After compression 22.5 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. This website has mostly compressed JavaScripts.

CSS Optimization


Potential reduce by 24 B

  • Original 718 B
  • After minification 718 B
  • After compression 694 B

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. has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 20 (63%)

Requests Now


After Optimization


The browser has sent 32 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Littlewoods Capital One. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 21 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review accessibility score


Accessibility Issues

Best Practices best practices score


Areas of Improvement

Trust and Safety




Does not use HTTPS


Ensure CSP is effective against XSS attacks

User Experience




Serves images with low resolution





Detected JavaScript libraries

SEO Factors SEO score


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](




Document doesn't use legible font sizes

Language and Encoding

  • Language Detected


  • Language Claimed


  • Encoding


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