Tools & Wizards About Us
ukbookworld.com screenshot

Report Summary

  • 100

    Performance

    Renders faster than
    97% of other websites

  • 95

    Accessibility

    Visual factors better than
    that of 87% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 69

    SEO

    Google-friendlier than
    28% of websites

ukbookworld.com

UKBookworld.com old, rare and out-of-print book database

Page Load Speed

1.3 sec in total

First Response

208 ms

Resources Loaded

885 ms

Page Rendered

190 ms

ukbookworld.com screenshot

About Website

Welcome to ukbookworld.com homepage info - get ready to check UKBookworld best content right away, or after learning these important things about ukbookworld.com

The british marketplace for scholarly and collected old, rare and out-of-print books

Visit ukbookworld.com

Key Findings

We analyzed Ukbookworld.com page load time and found that the first response time was 208 ms and then it took 1.1 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 20% of websites can load faster.

Performance Metrics

ukbookworld.com performance score

100

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.4 s

97/100

10%

LCP (Largest Contentful Paint)

Value1.4 s

100/100

25%

SI (Speed Index)

Value1.4 s

100/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value1.4 s

100/100

10%

Network Requests Diagram

ukbookworld.com

208 ms

www.biblio.co.uk

47 ms

biblio.co.uk

231 ms

main.ssl.gz.css

48 ms

bootstrap.min.gz.css

55 ms

Our browser made a total of 45 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Ukbookworld.com, 62% (28 requests) were made to D3525k1ryd2155.cloudfront.net and 20% (9 requests) were made to Widget.trustpilot.com. The less responsive or slowest element that took the longest time to load (231 ms) relates to the external source Biblio.co.uk.

Page Optimization Overview & Recommendations

Page size can be reduced by 612.2 kB (48%)

Content Size

1.3 MB

After Optimization

662.9 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Ukbookworld.com main page is 1.3 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. 40% of websites need less resources to load. Javascripts take 601.0 kB which makes up the majority of the site volume.

HTML Optimization

-73%

Potential reduce by 29.3 kB

  • Original 39.8 kB
  • After minification 39.8 kB
  • After compression 10.6 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 29.3 kB or 73% of the original size.

Image Optimization

-1%

Potential reduce by 4.3 kB

  • Original 343.2 kB
  • After minification 338.9 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. UKBookworld images are well optimized though.

JavaScript Optimization

-57%

Potential reduce by 341.2 kB

  • Original 601.0 kB
  • After minification 601.0 kB
  • After compression 259.7 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 341.2 kB or 57% of the original size.

CSS Optimization

-82%

Potential reduce by 237.4 kB

  • Original 291.1 kB
  • After minification 279.8 kB
  • After compression 53.7 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. Ukbookworld.com needs all CSS files to be minified and compressed as it can save up to 237.4 kB or 82% of the original size.

Requests Breakdown

Number of requests can be reduced by 12 (30%)

Requests Now

40

After Optimization

28

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 40 CSS, Javascripts, AJAX and image requests in order to completely render the main page of UKBookworld. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

ukbookworld.com

ukbookworld.com

208 ms

www.biblio.co.uk

www.biblio.co.uk

47 ms

biblio.co.uk

biblio.co.uk

231 ms

main.ssl.gz.css

main.ssl.gz.css

48 ms

bootstrap.min.gz.css

bootstrap.min.gz.css

55 ms

biblio-custom-min-gz-138.css

biblio-custom-min-gz-138.css

50 ms

tp.widget.sync.bootstrap.min.js

tp.widget.sync.bootstrap.min.js

54 ms

ga.js

ga.js

69 ms

1.JiBnMqyl6S.gif

1.JiBnMqyl6S.gif

32 ms

header_bar_back_chunk.png

header_bar_back_chunk.png

78 ms

clear.gif

clear.gif

89 ms

sprites.png

sprites.png

77 ms

holiday-front-back.jpg

holiday-front-back.jpg

82 ms

social-sprite.png

social-sprite.png

89 ms

newsletter-bg.jpg

newsletter-bg.jpg

182 ms

hr-biblio.jpg

hr-biblio.jpg

99 ms

hr-biblio-bg.jpg

hr-biblio-bg.jpg

111 ms

tp.widget.bootstrap.min.js

tp.widget.bootstrap.min.js

74 ms

bat.js

bat.js

34 ms

__utm.gif

__utm.gif

22 ms

exclusive_tag_trans.gif

exclusive_tag_trans.gif

22 ms

logo-uk-148-145.png

logo-uk-148-145.png

67 ms

bpclub_promo_260_100.png

bpclub_promo_260_100.png

36 ms

30day_guarantee_40x40.png

30day_guarantee_40x40.png

26 ms

635720674.0.m.jpg

635720674.0.m.jpg

37 ms

lesline-webfont.woff

lesline-webfont.woff

33 ms

social-31-facebook-wt.png

social-31-facebook-wt.png

34 ms

410915045.0.b.jpg

410915045.0.b.jpg

38 ms

bwkids_promo_260_100.png

bwkids_promo_260_100.png

41 ms

social-32-twitter-wt.png

social-32-twitter-wt.png

40 ms

little-b-logo.png

little-b-logo.png

69 ms

instock_guarantee_40x40.png

instock_guarantee_40x40.png

172 ms

social-3-google-plus-wt.png

social-3-google-plus-wt.png

41 ms

495548142.0.b.jpg

495548142.0.b.jpg

41 ms

481734850000640005025770

481734850000640005025770

143 ms

index.html

index.html

16 ms

collect

collect

49 ms

star.svg

star.svg

7 ms

arrow.svg

arrow.svg

15 ms

main.js

main.js

23 ms

a

a

9 ms

base-data

base-data

17 ms

mini-bootstrap3-139.gz.js

mini-bootstrap3-139.gz.js

14 ms

681069718.0.b.jpg

681069718.0.b.jpg

32 ms

bib-logo-xs-150-uk.png

bib-logo-xs-150-uk.png

6 ms

Accessibility Review

ukbookworld.com accessibility score

95

Accessibility Issues

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

Best Practices

ukbookworld.com best practices score

67

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

ukbookworld.com SEO score

69

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

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 Ukbookworld.com 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 Ukbookworld.com 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

ukbookworld.com

Open Graph description is not detected on the main page of UKBookworld. 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: