Report Summary

  • 5

    Performance

    Renders faster than
    21% of other websites

  • 70

    Accessibility

    Visual factors better than
    that of 36% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

engine.vuforia.com

Vuforia Engine | Create AR Apps and AR Experiences | PTC

Page Load Speed

207 ms in total

First Response

37 ms

Resources Loaded

103 ms

Page Rendered

67 ms

engine.vuforia.com screenshot

About Website

Click here to check amazing Engine Vuforia content for China. Otherwise, check out these important facts you probably never knew about engine.vuforia.com

The robust performance and cross-platform reach of Vuforia Engine makes it the most popular augmented reality software for creating AR apps and AR experiences.

Visit engine.vuforia.com

Key Findings

We analyzed Engine.vuforia.com page load time and found that the first response time was 37 ms and then it took 170 ms to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster.

Performance Metrics

engine.vuforia.com performance score

5

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.7 s

30/100

10%

LCP (Largest Contentful Paint)

Value7.8 s

3/100

25%

SI (Speed Index)

Value13.0 s

2/100

10%

TBT (Total Blocking Time)

Value3,360 ms

2/100

30%

CLS (Cumulative Layout Shift)

Value1.875

0/100

15%

TTI (Time to Interactive)

Value22.2 s

1/100

10%

Network Requests Diagram

engine.vuforia.com

37 ms

vuforia-engine

57 ms

Our browser made a total of 2 requests to load all elements on the main page. We found that 50% of them (1 request) were addressed to the original Engine.vuforia.com, 50% (1 request) were made to Ptc.com. The less responsive or slowest element that took the longest time to load (57 ms) relates to the external source Ptc.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 350.2 kB (56%)

Content Size

622.0 kB

After Optimization

271.9 kB

In fact, the total size of Engine.vuforia.com main page is 622.0 kB. This result falls within the top 5000 of lightweight and thus fast loading web pages. Only a small number of websites need less resources to load. CSS take 382.2 kB which makes up the majority of the site volume.

HTML Optimization

-25%

Potential reduce by 65 B

  • Original 255 B
  • After minification 251 B
  • After compression 190 B

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 65 B or 25% of the original size.

Image Optimization

-0%

Potential reduce by 312 B

  • Original 133.7 kB
  • After minification 133.4 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. Engine Vuforia images are well optimized though.

JavaScript Optimization

-2%

Potential reduce by 2.3 kB

  • Original 105.8 kB
  • After minification 105.7 kB
  • After compression 103.5 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

-91%

Potential reduce by 347.5 kB

  • Original 382.2 kB
  • After minification 137.6 kB
  • After compression 34.7 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. Engine.vuforia.com needs all CSS files to be minified and compressed as it can save up to 347.5 kB or 91% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

0

After Optimization

0

Besides the initial HTML request, no CSS, Javascripts, AJAX or image files were requested in the course of web page rendering.

Accessibility Review

engine.vuforia.com accessibility score

70

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-*] attributes do not match their roles

High

ARIA IDs are not unique

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.

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

High

Form elements do not have associated labels

High

Links do not have a discernible name

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

Best Practices

engine.vuforia.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

SEO Factors

engine.vuforia.com SEO score

86

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

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

    N/A

  • Encoding

    N/A

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Engine.vuforia.com 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 Engine.vuforia.com main page’s claimed encoding is . Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

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