Report Summary

  • 7

    Performance

    Renders faster than
    22% of other websites

  • 96

    Accessibility

    Visual factors better than
    that of 89% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    81% of websites

  • 84

    SEO

    Google-friendlier than
    53% of websites

cpibooks.co.uk

CPI Print | Home | Uk's leading Book printing company

Page Load Speed

3.2 sec in total

First Response

290 ms

Resources Loaded

2.2 sec

Page Rendered

710 ms

cpibooks.co.uk screenshot

About Website

Welcome to cpibooks.co.uk homepage info - get ready to check CPI Book S best content for France right away, or after learning these important things about cpibooks.co.uk

CPI Print is the UK’s leading book printer, printing books in mono, 2 and 4 colours, across multiple channels : Trade, STMA, Catalogues, Self-Publishing...

Visit cpibooks.co.uk

Key Findings

We analyzed Cpibooks.co.uk page load time and found that the first response time was 290 ms and then it took 2.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Performance Metrics

cpibooks.co.uk performance score

7

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value8.2 s

0/100

10%

LCP (Largest Contentful Paint)

Value11.4 s

0/100

25%

SI (Speed Index)

Value17.5 s

0/100

10%

TBT (Total Blocking Time)

Value1,170 ms

21/100

30%

CLS (Cumulative Layout Shift)

Value0.722

6/100

15%

TTI (Time to Interactive)

Value22.2 s

1/100

10%

Network Requests Diagram

cpibooks.co.uk

290 ms

www.cpi-print.co.uk

539 ms

css

45 ms

styles.css

255 ms

modernizr.min.js

48 ms

Our browser made a total of 55 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Cpibooks.co.uk, 85% (47 requests) were made to Cpi-print.co.uk and 4% (2 requests) were made to Ajax.googleapis.com. The less responsive or slowest element that took the longest time to load (1 sec) relates to the external source Cpi-print.co.uk.

Page Optimization Overview & Recommendations

Page size can be reduced by 423.7 kB (26%)

Content Size

1.6 MB

After Optimization

1.2 MB

In fact, the total size of Cpibooks.co.uk main page is 1.6 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. 45% of websites need less resources to load. Images take 1.2 MB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 46.9 kB

  • Original 56.8 kB
  • After minification 50.1 kB
  • After compression 9.9 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 6.6 kB, which is 12% 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 46.9 kB or 83% of the original size.

Image Optimization

-6%

Potential reduce by 64.2 kB

  • Original 1.2 MB
  • After minification 1.1 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. CPI Book S images are well optimized though.

JavaScript Optimization

-74%

Potential reduce by 216.0 kB

  • Original 290.4 kB
  • After minification 246.6 kB
  • After compression 74.5 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 216.0 kB or 74% of the original size.

CSS Optimization

-80%

Potential reduce by 96.7 kB

  • Original 120.8 kB
  • After minification 116.8 kB
  • After compression 24.1 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. Cpibooks.co.uk needs all CSS files to be minified and compressed as it can save up to 96.7 kB or 80% of the original size.

Requests Breakdown

Number of requests can be reduced by 21 (42%)

Requests Now

50

After Optimization

29

The browser has sent 50 CSS, Javascripts, AJAX and image requests in order to completely render the main page of CPI Book S. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 17 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

cpibooks.co.uk accessibility score

96

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.

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

Links do not have a discernible name

Best Practices

cpibooks.co.uk best practices score

92

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

SEO Factors

cpibooks.co.uk SEO score

84

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

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

    N/A

  • Encoding

    UTF-8

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