Access virtual-keyboard.js.org. Home - Simple-keyboard

name

value

score

weighting

FCP (First Contentful Paint)

Value3.4 s

38/100

10%

LCP (Largest Contentful Paint)

Value4.4 s

39/100

25%

SI (Speed Index)

Value3.4 s

90/100

10%

TBT (Total Blocking Time)

Value400 ms

68/100

30%

CLS (Cumulative Layout Shift)

Value0.002

100/100

15%

TTI (Time to Interactive)

Value5.8 s

67/100

10%

virtual-keyboard.js.org

24 ms

virtual-keyboard.js.org

60 ms

js

67 ms

fonts.css

26 ms

icon

41 ms

Our browser made a total of 22 requests to load all elements on the main page. We found that 41% of them (9 requests) were addressed to the original Virtual-keyboard.js.org, 41% (9 requests) were made to Cdn.jsdelivr.net and 9% (2 requests) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (399 ms) relates to the external source Cdn.jsdelivr.net.

Content Size

139.0 kB

After Optimization

74.4 kB

In fact, the total size of Virtual-keyboard.js.org main page is 139.0 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. 25% of websites need less resources to load. Javascripts take 85.3 kB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 41.0 kB

Original 53.7 kB
After minification 53.7 kB
After compression 12.8 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 41.0 kB or 76% of the original size.

JavaScript Optimization

-28%

Potential reduce by 23.7 kB

Original 85.3 kB
After minification 85.3 kB
After compression 61.6 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 23.7 kB or 28% of the original size.

Requests Now

After Optimization

The browser has sent 20 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Virtual Keyboard Js. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

These are opportunities to improve keyboard navigation in your application.

High

Heading elements are not in a sequentially-descending order

These are opportunities to improve the interpretation of your content by users in different locales.

High

<html> element does not have a [lang] attribute

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.

High

Image elements do not have [alt] attributes

These items highlight common accessibility best practices.

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Areas of Improvement

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

Low

Detected JavaScript libraries

High

Page has valid source maps

High

Issues were logged in the Issues panel in Chrome Devtools

Search Engine Optimization Advices

Format your HTML in a way that enables crawlers to better understand your app’s content.

High

Image elements do not have [alt] attributes

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/).

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 Virtual-keyboard.js.org 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 Virtual-keyboard.js.org 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 data is detected on the main page of Virtual Keyboard Js. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: