Tools & Wizards About Us
bookzio.com screenshot

Report Summary

  • 19

    Performance

    Renders faster than
    36% of other websites

  • 75

    Accessibility

    Visual factors better than
    that of 41% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 93

    SEO

    Google-friendlier than
    83% of websites

bookzio.com

Free Kindle Books Online | Free Online Books | Promote Your Book

Page Load Speed

6.5 sec in total

First Response

2 sec

Resources Loaded

3.9 sec

Page Rendered

564 ms

bookzio.com screenshot

About Website

Welcome to bookzio.com homepage info - get ready to check Book Zio best content for United States right away, or after learning these important things about bookzio.com

Bookzio delivers free and bargain-priced bestsellers to subscribers, daily. Get free kindle books and free books online when you subscribe to our daily email newsletter.

Visit bookzio.com

Key Findings

We analyzed Bookzio.com page load time and found that the first response time was 2 sec and then it took 4.5 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

bookzio.com performance score

19

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.2 s

20/100

10%

LCP (Largest Contentful Paint)

Value12.0 s

0/100

25%

SI (Speed Index)

Value7.7 s

24/100

10%

TBT (Total Blocking Time)

Value1,230 ms

20/100

30%

CLS (Cumulative Layout Shift)

Value0.242

51/100

15%

TTI (Time to Interactive)

Value13.0 s

12/100

10%

Network Requests Diagram

www.bookzio.com

2021 ms

0b87cbb44438ed3f640c1ce7292df043.css

39 ms

css

32 ms

css

39 ms

jquery.min.js

43 ms

Our browser made a total of 66 requests to load all elements on the main page. We found that 38% of them (25 requests) were addressed to the original Bookzio.com, 45% (30 requests) were made to Fonts.gstatic.com and 5% (3 requests) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (2 sec) belongs to the original domain Bookzio.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 167.1 kB (11%)

Content Size

1.6 MB

After Optimization

1.4 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Bookzio.com 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. 60% 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 149.7 kB

  • Original 180.0 kB
  • After minification 179.8 kB
  • After compression 30.3 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 149.7 kB or 83% of the original size.

Image Optimization

-1%

Potential reduce by 16.9 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. Book Zio images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 390 B

  • Original 229.2 kB
  • After minification 229.2 kB
  • After compression 228.8 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. This website has mostly compressed JavaScripts.

CSS Optimization

-0%

Potential reduce by 41 B

  • Original 17.4 kB
  • After minification 17.4 kB
  • After compression 17.3 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. Bookzio.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 19 (58%)

Requests Now

33

After Optimization

14

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 33 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Book Zio. 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 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

www.bookzio.com

www.bookzio.com

2021 ms

0b87cbb44438ed3f640c1ce7292df043.css

0b87cbb44438ed3f640c1ce7292df043.css

39 ms

css

css

32 ms

css

css

39 ms

jquery.min.js

jquery.min.js

43 ms

02d449390d8334a90c991727c4d5f894.js

02d449390d8334a90c991727c4d5f894.js

59 ms

eadb71ce95ccc546b1895aa434f866d8.js

eadb71ce95ccc546b1895aa434f866d8.js

65 ms

b1b5de11249819531df1bbd90db2cadf.js

b1b5de11249819531df1bbd90db2cadf.js

71 ms

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90c2673c69e5db030842e33fa101b543.js

88 ms

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9f29ec5dc5789e90fb59b8b3331c78c6.js

90 ms

f2a96ba78d33dcf04bc89b5633483dbe.js

f2a96ba78d33dcf04bc89b5633483dbe.js

89 ms

adsbygoogle.js

adsbygoogle.js

118 ms

css2

css2

36 ms

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c23bdb645bb2927da1e8c860f8598aa6.js

148 ms

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7bfa8ca89f3ca38373f5a712f07052c7.js

82 ms

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d76f4c3ccc655daced15d81fc88938c9.js

102 ms

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5b6df4f35a94b98655345d3071682d6d.js

100 ms

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5528c8a0b527deea6b4ec0bfdd92f1ef.js

103 ms

pptm.js

pptm.js

19 ms

muse.js

muse.js

22 ms

ts

ts

112 ms

iframeResizer.contentWindow.min.js

iframeResizer.contentWindow.min.js

73 ms

BookzioLogo_130x59.png

BookzioLogo_130x59.png

204 ms

free-kindle-books-girl.jpg

free-kindle-books-girl.jpg

305 ms

amazing.png

amazing.png

170 ms

nook.png

nook.png

172 ms

kobo.png

kobo.png

170 ms

apple.png

apple.png

168 ms

google-new.png

google-new.png

170 ms

apple-new.png

apple-new.png

170 ms

audible-new.png

audible-new.png

171 ms

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127 ms

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147 ms

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179 ms

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182 ms

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181 ms

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181 ms

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180 ms

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181 ms

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182 ms

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182 ms

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183 ms

modules.woff

modules.woff

124 ms

analytics.js

analytics.js

158 ms

home_background.jpg

home_background.jpg

168 ms

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76 ms

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78 ms

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79 ms

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81 ms

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collect

collect

80 ms

js

js

68 ms

Accessibility Review

bookzio.com accessibility score

75

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

Image elements do not have [alt] attributes

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

bookzio.com best practices score

75

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

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

bookzio.com SEO score

93

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

Image elements do not have [alt] attributes

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

    EN

  • Encoding

    UTF-8

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

bookzio.com

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