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bid4abook.co.uk screenshot

Report Summary

  • 77

    Performance

    Renders faster than
    85% of other websites

  • 89

    Accessibility

    Visual factors better than
    that of 71% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

bid4abook.co.uk

Bid4abook the online book auction, antique book seller and rare book valuations

Page Load Speed

2.8 sec in total

First Response

432 ms

Resources Loaded

2.2 sec

Page Rendered

100 ms

bid4abook.co.uk screenshot

About Website

Click here to check amazing Bid4abook content. Otherwise, check out these important facts you probably never knew about bid4abook.co.uk

Bid4abook the online book auction, antique bookseller and rare book valuations.

Visit bid4abook.co.uk

Key Findings

We analyzed Bid4abook.co.uk page load time and found that the first response time was 432 ms and then it took 2.3 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

bid4abook.co.uk performance score

77

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.8 s

90/100

10%

LCP (Largest Contentful Paint)

Value4.6 s

36/100

25%

SI (Speed Index)

Value4.2 s

78/100

10%

TBT (Total Blocking Time)

Value20 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.108

87/100

15%

TTI (Time to Interactive)

Value4.2 s

86/100

10%

Network Requests Diagram

bid4abook.co.uk

432 ms

p7EHCscripts.js

399 ms

p7csspbm2_14.css

402 ms

0612e50c7d0ac9da9ae9721f5a01257f.js

378 ms

banner.png

647 ms

Our browser made a total of 8 requests to load all elements on the main page. We found that 75% of them (6 requests) were addressed to the original Bid4abook.co.uk, 13% (1 request) were made to Cookie-script.com and 13% (1 request) were made to Ajax.googleapis.com. The less responsive or slowest element that took the longest time to load (647 ms) belongs to the original domain Bid4abook.co.uk.

Page Optimization Overview & Recommendations

Page size can be reduced by 4.7 kB (2%)

Content Size

285.3 kB

After Optimization

280.7 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Bid4abook.co.uk main page is 285.3 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. Only 5% of websites need less resources to load. Images take 229.3 kB which makes up the majority of the site volume.

HTML Optimization

-68%

Potential reduce by 3.3 kB

  • Original 4.9 kB
  • After minification 4.7 kB
  • After compression 1.6 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 3.3 kB or 68% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 229.3 kB
  • After minification 229.3 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. Bid4abook images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 263 B

  • Original 48.7 kB
  • After minification 48.7 kB
  • After compression 48.4 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

-44%

Potential reduce by 1.1 kB

  • Original 2.4 kB
  • After minification 2.0 kB
  • After compression 1.4 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. Bid4abook.co.uk needs all CSS files to be minified and compressed as it can save up to 1.1 kB or 44% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

7

After Optimization

7

  • Images
  • JavaScript
  • CSS

The browser has sent 7 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Bid4abook. According to our analytics all requests are already optimized.

Network Requests Diagram

bid4abook.co.uk

bid4abook.co.uk

432 ms

p7EHCscripts.js

p7EHCscripts.js

399 ms

p7csspbm2_14.css

p7csspbm2_14.css

402 ms

0612e50c7d0ac9da9ae9721f5a01257f.js

0612e50c7d0ac9da9ae9721f5a01257f.js

378 ms

banner.png

banner.png

647 ms

jquery.min.js

jquery.min.js

29 ms

pbm-menu-bg.jpg

pbm-menu-bg.jpg

334 ms

p7csspbm2_print.css

p7csspbm2_print.css

345 ms

Accessibility Review

bid4abook.co.uk accessibility score

89

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.

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

bid4abook.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

SEO Factors

bid4abook.co.uk SEO score

92

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

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 Bid4abook.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 Bid4abook.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

bid4abook.co.uk

Open Graph description is not detected on the main page of Bid4abook. 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: