Report Summary

  • 94

    Performance

    Renders faster than
    93% 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

3dinputbook.com

Interaction Design for 3D User Interfaces Book - Official Website

Page Load Speed

922 ms in total

First Response

186 ms

Resources Loaded

643 ms

Page Rendered

93 ms

3dinputbook.com screenshot

About Website

Visit 3dinputbook.com now to see the best up-to-date 3D Input Book content and also check out these interesting facts you probably never knew about 3dinputbook.com

The official website of "3D User Input Interfaces: The World of Modern Input Devices for Research, Applications, and Game Development".

Visit 3dinputbook.com

Key Findings

We analyzed 3dinputbook.com page load time and found that the first response time was 186 ms and then it took 736 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 15% of websites can load faster.

Performance Metrics

3dinputbook.com performance score

94

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.5 s

96/100

10%

LCP (Largest Contentful Paint)

Value3.1 s

76/100

25%

SI (Speed Index)

Value1.5 s

100/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.002

100/100

15%

TTI (Time to Interactive)

Value1.5 s

100/100

10%

Network Requests Diagram

3dinputbook.com

186 ms

font-awesome.min.css

23 ms

main.css

69 ms

tile.png

130 ms

book-interactiondesign.jpg

387 ms

Our browser made a total of 6 requests to load all elements on the main page. We found that 67% of them (4 requests) were addressed to the original 3dinputbook.com, 33% (2 requests) were made to Maxcdn.bootstrapcdn.com. The less responsive or slowest element that took the longest time to load (387 ms) belongs to the original domain 3dinputbook.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 3.1 kB (1%)

Content Size

254.0 kB

After Optimization

250.9 kB

In fact, the total size of 3dinputbook.com main page is 254.0 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 246.9 kB which makes up the majority of the site volume.

HTML Optimization

-61%

Potential reduce by 2.1 kB

  • Original 3.5 kB
  • After minification 3.3 kB
  • After compression 1.4 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 2.1 kB or 61% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 246.9 kB
  • After minification 246.9 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. 3D Input Book images are well optimized though.

CSS Optimization

-27%

Potential reduce by 979 B

  • Original 3.6 kB
  • After minification 3.6 kB
  • After compression 2.6 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. 3dinputbook.com needs all CSS files to be minified and compressed as it can save up to 979 B or 27% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

4

After Optimization

4

The browser has sent 4 CSS, Javascripts, AJAX and image requests in order to completely render the main page of 3D Input Book. According to our analytics all requests are already optimized.

Accessibility Review

3dinputbook.com accessibility score

89

Accessibility Issues

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

Links do not have a discernible name

Best Practices

3dinputbook.com 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

3dinputbook.com SEO score

92

Search Engine Optimization Advices

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 3dinputbook.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 3dinputbook.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

Open Graph description is not detected on the main page of 3D Input 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: