Tools & Wizards About Us
edusim3d.com screenshot

Report Summary

  • 81

    Performance

    Renders faster than
    86% of other websites

  • 52

    Accessibility

    Visual factors better than
    that of 21% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 50

    SEO

    Google-friendlier than
    18% of websites

edusim3d.com

Edusim - 3D virtual worlds for the classrom interactive whiteboard

Page Load Speed

830 ms in total

First Response

71 ms

Resources Loaded

484 ms

Page Rendered

275 ms

edusim3d.com screenshot

About Website

Visit edusim3d.com now to see the best up-to-date Edusim 3D content and also check out these interesting facts you probably never knew about edusim3d.com

Edusim is a 3D virtual world (like Secondlife) for the classroom interactive whiteboard or interactive surface that brings a virtual worlds to the Smartboard, Mimio, Promethean, Polyvision smart board...

Visit edusim3d.com

Key Findings

We analyzed Edusim3d.com page load time and found that the first response time was 71 ms and then it took 759 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

edusim3d.com performance score

81

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.9 s

54/100

10%

LCP (Largest Contentful Paint)

Value2.9 s

81/100

25%

SI (Speed Index)

Value4.4 s

74/100

10%

TBT (Total Blocking Time)

Value250 ms

84/100

30%

CLS (Cumulative Layout Shift)

Value0.015

100/100

15%

TTI (Time to Interactive)

Value4.5 s

82/100

10%

Network Requests Diagram

edusim3d.com

71 ms

style.css

24 ms

EdusimImage.png

58 ms

sekesc.gif

38 ms

GreenbushLabsEdusim

257 ms

Our browser made a total of 35 requests to load all elements on the main page. We found that 29% of them (10 requests) were addressed to the original Edusim3d.com, 34% (12 requests) were made to Static.xx.fbcdn.net and 14% (5 requests) were made to Scontent.xx.fbcdn.net. The less responsive or slowest element that took the longest time to load (257 ms) relates to the external source Feeds.feedburner.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 24.8 kB (5%)

Content Size

466.4 kB

After Optimization

441.7 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Edusim3d.com main page is 466.4 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. 30% of websites need less resources to load. Images take 425.0 kB which makes up the majority of the site volume.

HTML Optimization

-63%

Potential reduce by 5.5 kB

  • Original 8.7 kB
  • After minification 8.5 kB
  • After compression 3.2 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 5.5 kB or 63% of the original size.

Image Optimization

-0%

Potential reduce by 971 B

  • Original 425.0 kB
  • After minification 424.0 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. Edusim 3D images are well optimized though.

JavaScript Optimization

-54%

Potential reduce by 15.8 kB

  • Original 29.4 kB
  • After minification 29.4 kB
  • After compression 13.6 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 15.8 kB or 54% of the original size.

CSS Optimization

-74%

Potential reduce by 2.5 kB

  • Original 3.3 kB
  • After minification 2.3 kB
  • After compression 854 B

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. Edusim3d.com needs all CSS files to be minified and compressed as it can save up to 2.5 kB or 74% of the original size.

Requests Breakdown

Number of requests can be reduced by 14 (48%)

Requests Now

29

After Optimization

15

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 29 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Edusim 3D. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

edusim3d.com

edusim3d.com

71 ms

style.css

style.css

24 ms

EdusimImage.png

EdusimImage.png

58 ms

sekesc.gif

sekesc.gif

38 ms

GreenbushLabsEdusim

GreenbushLabsEdusim

257 ms

counter_xhtml.js

counter_xhtml.js

6 ms

urchin.js

urchin.js

4 ms

likebox.php

likebox.php

156 ms

edusimBackground.png

edusimBackground.png

93 ms

bg-header.jpg

bg-header.jpg

11 ms

bg-feed.gif

bg-feed.gif

23 ms

button-feed.png

button-feed.png

23 ms

bg-sidebar-bottom.gif

bg-sidebar-bottom.gif

24 ms

like.php

like.php

73 ms

qeKvIRsJabD.js

qeKvIRsJabD.js

43 ms

LVx-xkvaJ0b.png

LVx-xkvaJ0b.png

22 ms

McLpmVM3wCm.css

McLpmVM3wCm.css

7 ms

r6Aw0SZFbhw.css

r6Aw0SZFbhw.css

8 ms

q68gy-v_YMF.js

q68gy-v_YMF.js

17 ms

FJmpeSpHpjS.js

FJmpeSpHpjS.js

16 ms

0wM5s1Khldu.js

0wM5s1Khldu.js

14 ms

1bNoFZUdlYZ.js

1bNoFZUdlYZ.js

16 ms

524637_374277509260819_2050885087_n.jpg

524637_374277509260819_2050885087_n.jpg

166 ms

226300_211657202189518_3982071_n.jpg

226300_211657202189518_3982071_n.jpg

79 ms

12472817_990394094341062_2359425820951485317_n.jpg

12472817_990394094341062_2359425820951485317_n.jpg

15 ms

1959638_10207644865536391_2029214156056818186_n.jpg

1959638_10207644865536391_2029214156056818186_n.jpg

64 ms

10418164_742860642423168_3656565195182675967_n.jpg

10418164_742860642423168_3656565195182675967_n.jpg

32 ms

wL6VQj7Ab77.png

wL6VQj7Ab77.png

13 ms

s7jcwEQH7Sx.png

s7jcwEQH7Sx.png

13 ms

buzzboost-pwrd.gif

buzzboost-pwrd.gif

12 ms

bg-footer.jpg

bg-footer.jpg

17 ms

text.php

text.php

142 ms

I6-MnjEovm5.js

I6-MnjEovm5.js

8 ms

pQrUxxo5oQp.js

pQrUxxo5oQp.js

3 ms

__utm.gif

__utm.gif

2 ms

Accessibility Review

edusim3d.com accessibility score

52

Accessibility Issues

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

<frame> or <iframe> elements do not have a title

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

High

<object> elements do not have alternate text

Internationalization and localization

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

Impact

Issue

High

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

Best Practices

edusim3d.com best practices score

67

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

High

Browser errors were logged to the console

SEO Factors

edusim3d.com SEO score

50

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

High

Document uses plugins

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Edusim3d.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 Edusim3d.com main page’s claimed encoding is iso-8859-1. 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

edusim3d.com

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