Tools & Wizards About Us
web-whiteboard.io screenshot

Report Summary

  • 16

    Performance

    Renders faster than
    31% of other websites

  • 79

    Accessibility

    Visual factors better than
    that of 48% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 93

    SEO

    Google-friendlier than
    84% of websites

web-whiteboard.io

WebBoard | Realtime collaboration web whiteboard application

Page Load Speed

4.3 sec in total

First Response

342 ms

Resources Loaded

3.3 sec

Page Rendered

728 ms

web-whiteboard.io screenshot

About Website

Visit web-whiteboard.io now to see the best up-to-date Web Whiteboard content and also check out these interesting facts you probably never knew about web-whiteboard.io

WebBoard is the ideal online collaboration web whiteboard tool which enables you to communicate with your class or team in realtime from anywhere.

Visit web-whiteboard.io

Key Findings

We analyzed Web-whiteboard.io page load time and found that the first response time was 342 ms and then it took 4 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

web-whiteboard.io performance score

16

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.6 s

6/100

10%

LCP (Largest Contentful Paint)

Value24.5 s

0/100

25%

SI (Speed Index)

Value29.9 s

0/100

10%

TBT (Total Blocking Time)

Value23,530 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.01

100/100

15%

TTI (Time to Interactive)

Value39.2 s

0/100

10%

Network Requests Diagram

web-whiteboard.io

342 ms

www.web-whiteboard.io

906 ms

bundle-board.min.css

445 ms

api.js

87 ms

dropins.js

140 ms

Our browser made a total of 35 requests to load all elements on the main page. We found that 83% of them (29 requests) were addressed to the original Web-whiteboard.io, 6% (2 requests) were made to Google-analytics.com and 3% (1 request) were made to Apis.google.com. The less responsive or slowest element that took the longest time to load (2 sec) belongs to the original domain Web-whiteboard.io.

Page Optimization Overview & Recommendations

Page size can be reduced by 184.2 kB (19%)

Content Size

964.3 kB

After Optimization

780.1 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Web-whiteboard.io main page is 964.3 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. 50% of websites need less resources to load. Images take 525.1 kB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 114.8 kB

  • Original 134.2 kB
  • After minification 96.5 kB
  • After compression 19.4 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. This page needs HTML code to be minified as it can gain 37.7 kB, which is 28% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 114.8 kB or 86% of the original size.

Image Optimization

-2%

Potential reduce by 11.1 kB

  • Original 525.1 kB
  • After minification 514.0 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. Web Whiteboard images are well optimized though.

JavaScript Optimization

-15%

Potential reduce by 31.2 kB

  • Original 207.7 kB
  • After minification 207.7 kB
  • After compression 176.4 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 31.2 kB or 15% of the original size.

CSS Optimization

-28%

Potential reduce by 27.1 kB

  • Original 97.3 kB
  • After minification 97.3 kB
  • After compression 70.2 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. Web-whiteboard.io needs all CSS files to be minified and compressed as it can save up to 27.1 kB or 28% of the original size.

Requests Breakdown

Number of requests can be reduced by 13 (43%)

Requests Now

30

After Optimization

17

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 30 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Web Whiteboard. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

web-whiteboard.io

web-whiteboard.io

342 ms

www.web-whiteboard.io

www.web-whiteboard.io

906 ms

bundle-board.min.css

bundle-board.min.css

445 ms

api.js

api.js

87 ms

dropins.js

dropins.js

140 ms

js

js

86 ms

jspdf.min.js

jspdf.min.js

1014 ms

pdf.js

pdf.js

1012 ms

pdf.worker.js

pdf.worker.js

1432 ms

aws-sdk-2.1.24.min.js

aws-sdk-2.1.24.min.js

37 ms

bundle-board.min.js

bundle-board.min.js

1970 ms

logo-small.png

logo-small.png

141 ms

pattern.png

pattern.png

264 ms

ripple-loader2.gif

ripple-loader2.gif

545 ms

slider-background.png

slider-background.png

546 ms

dashed.png

dashed.png

620 ms

color-picker-trans.png

color-picker-trans.png

620 ms

snap.png

snap.png

646 ms

webboard-logo-blue.png

webboard-logo-blue.png

653 ms

chrome-permissions.png

chrome-permissions.png

840 ms

firefox-permissions.png

firefox-permissions.png

850 ms

opera-permissions.png

opera-permissions.png

777 ms

chrome.png

chrome.png

777 ms

firefox.png

firefox.png

1068 ms

welcome.png

welcome.png

1226 ms

drawing-tools.png

drawing-tools.png

1088 ms

video-upload.png

video-upload.png

1068 ms

pdf-upload.png

pdf-upload.png

1068 ms

worn-dots.png

worn-dots.png

1069 ms

board-placeholder.png

board-placeholder.png

1135 ms

analytics.js

analytics.js

39 ms

hero-webfont.woff

hero-webfont.woff

988 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

1084 ms

icomoon.ttf

icomoon.ttf

1085 ms

collect

collect

13 ms

Accessibility Review

web-whiteboard.io accessibility score

79

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 input fields do not have accessible names

High

ARIA toggle fields do not have accessible names

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

Buttons do not have an accessible name

High

Form elements do not have associated labels

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

web-whiteboard.io best practices score

67

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

SEO Factors

web-whiteboard.io SEO score

93

Search Engine Optimization Advices

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

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 Web-whiteboard.io 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 Web-whiteboard.io 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

web-whiteboard.io

Open Graph data is detected on the main page of Web Whiteboard. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: