Tools & Wizards About Us
betaballbook.com screenshot

Report Summary

  • 31

    Performance

    Renders faster than
    51% of other websites

  • 93

    Accessibility

    Visual factors better than
    that of 80% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 68

    SEO

    Google-friendlier than
    28% of websites

betaballbook.com

Betaball: How Silicon Valley and Science... by Malinowski, Erik

Page Load Speed

3.3 sec in total

First Response

111 ms

Resources Loaded

2.7 sec

Page Rendered

513 ms

betaballbook.com screenshot

About Website

Click here to check amazing Betaball Book content. Otherwise, check out these important facts you probably never knew about betaballbook.com

Betaball: How Silicon Valley and Science Built One of the Greatest Basketball Teams in History [Malinowski, Erik] on Amazon.com. *FREE* shipping on qualifying offers. Betaball: How Silicon Valley and ...

Visit betaballbook.com

Key Findings

We analyzed Betaballbook.com page load time and found that the first response time was 111 ms and then it took 3.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

betaballbook.com performance score

31

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.4 s

16/100

10%

LCP (Largest Contentful Paint)

Value8.8 s

1/100

25%

SI (Speed Index)

Value7.1 s

31/100

10%

TBT (Total Blocking Time)

Value810 ms

36/100

30%

CLS (Cumulative Layout Shift)

Value0.074

95/100

15%

TTI (Time to Interactive)

Value15.7 s

6/100

10%

Network Requests Diagram

betaballbook.com

111 ms

2342 ms

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26 ms

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18 ms

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12 ms

Our browser made a total of 97 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Betaballbook.com, 74% (72 requests) were made to M.media-amazon.com and 23% (22 requests) were made to Images-na.ssl-images-amazon.com. The less responsive or slowest element that took the longest time to load (2.3 sec) relates to the external source Amazon.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 3.1 MB (63%)

Content Size

4.9 MB

After Optimization

1.8 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Betaballbook.com main page is 4.9 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. 80% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Javascripts take 2.4 MB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 1.3 MB

  • Original 1.5 MB
  • After minification 1.5 MB
  • After compression 285.8 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 1.3 MB or 82% of the original size.

Image Optimization

-8%

Potential reduce by 46.8 kB

  • Original 559.6 kB
  • After minification 512.8 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. Betaball Book images are well optimized though.

JavaScript Optimization

-61%

Potential reduce by 1.4 MB

  • Original 2.4 MB
  • After minification 2.4 MB
  • After compression 942.3 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 1.4 MB or 61% of the original size.

CSS Optimization

-85%

Potential reduce by 329.5 kB

  • Original 386.5 kB
  • After minification 386.1 kB
  • After compression 57.0 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. Betaballbook.com needs all CSS files to be minified and compressed as it can save up to 329.5 kB or 85% of the original size.

Requests Breakdown

Number of requests can be reduced by 63 (72%)

Requests Now

87

After Optimization

24

  • Images
  • JavaScript
  • CSS

The browser has sent 87 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Betaball Book. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 47 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

betaballbook.com

betaballbook.com

111 ms

2342 ms

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Accessibility Review

betaballbook.com accessibility score

93

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[aria-hidden="true"] elements contain focusable descendents

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

Document doesn't have a <title> element

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

[id] attributes on active, focusable elements are not unique

High

Heading elements are not in a sequentially-descending order

Best Practices

betaballbook.com best practices score

83

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

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

betaballbook.com SEO score

68

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

Document doesn't have a <title> element

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

    EN

  • Encoding

    UTF-8

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

betaballbook.com

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