Tools & Wizards About Us
algodoo.com screenshot

Report Summary

  • 50

    Performance

    Renders faster than
    68% of other websites

  • 71

    Accessibility

    Visual factors better than
    that of 36% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 62

    SEO

    Google-friendlier than
    23% of websites

algodoo.com

Algodoo

Page Load Speed

2.2 sec in total

First Response

602 ms

Resources Loaded

1.5 sec

Page Rendered

94 ms

algodoo.com screenshot

About Website

Visit algodoo.com now to see the best up-to-date Algodoo content for United States and also check out these interesting facts you probably never knew about algodoo.com

Algodoo,Physic,Physics,Interactive Physics,Interact,Force,Friction,Fluid,Mechanic,Motion,Optic,Energy,Science,Simulate,Simulation,STEM,Plot,Learn,Teach,Home schooling,Game, Education,Invention,Laser,F...

Visit algodoo.com

Key Findings

We analyzed Algodoo.com page load time and found that the first response time was 602 ms and then it took 1.6 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 35% of websites can load faster.

Performance Metrics

algodoo.com performance score

50

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.0 s

4/100

10%

LCP (Largest Contentful Paint)

Value10.4 s

0/100

25%

SI (Speed Index)

Value7.6 s

25/100

10%

TBT (Total Blocking Time)

Value150 ms

94/100

30%

CLS (Cumulative Layout Shift)

Value0.049

99/100

15%

TTI (Time to Interactive)

Value8.5 s

38/100

10%

Network Requests Diagram

www.algodoo.com

602 ms

css

33 ms

settings.css

47 ms

pagenavi-css.css

25 ms

reset.css

26 ms

Our browser made a total of 68 requests to load all elements on the main page. We found that 88% of them (60 requests) were addressed to the original Algodoo.com, 3% (2 requests) were made to Fonts.googleapis.com and 3% (2 requests) were made to Paypalobjects.com. The less responsive or slowest element that took the longest time to load (602 ms) belongs to the original domain Algodoo.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 472.8 kB (44%)

Content Size

1.1 MB

After Optimization

604.9 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Algodoo.com main page is 1.1 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 35% of websites need less resources to load. Javascripts take 435.3 kB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 40.5 kB

  • Original 50.6 kB
  • After minification 47.9 kB
  • After compression 10.1 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 40.5 kB or 80% of the original size.

Image Optimization

-6%

Potential reduce by 24.0 kB

  • Original 409.5 kB
  • After minification 385.5 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. Algodoo images are well optimized though.

JavaScript Optimization

-57%

Potential reduce by 249.8 kB

  • Original 435.3 kB
  • After minification 429.4 kB
  • After compression 185.5 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 249.8 kB or 57% of the original size.

CSS Optimization

-87%

Potential reduce by 158.5 kB

  • Original 182.2 kB
  • After minification 137.8 kB
  • After compression 23.7 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. Algodoo.com needs all CSS files to be minified and compressed as it can save up to 158.5 kB or 87% of the original size.

Requests Breakdown

Number of requests can be reduced by 26 (39%)

Requests Now

67

After Optimization

41

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 67 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Algodoo. 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 12 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

www.algodoo.com

www.algodoo.com

602 ms

css

css

33 ms

settings.css

settings.css

47 ms

pagenavi-css.css

pagenavi-css.css

25 ms

reset.css

reset.css

26 ms

text.css

text.css

25 ms

960.css

960.css

26 ms

superfish.css

superfish.css

41 ms

prettyPhoto.css

prettyPhoto.css

47 ms

style.css

style.css

73 ms

custom_style.css

custom_style.css

37 ms

style.css

style.css

49 ms

jquery.js

jquery.js

85 ms

jquery-migrate.min.js

jquery-migrate.min.js

57 ms

jquery.themepunch.tools.min.js

jquery.themepunch.tools.min.js

104 ms

jquery.themepunch.revolution.min.js

jquery.themepunch.revolution.min.js

97 ms

jquery.prettyPhoto.js

jquery.prettyPhoto.js

321 ms

superfish.combined.js

superfish.combined.js

84 ms

script.js

script.js

97 ms

tracker.js

tracker.js

97 ms

css

css

21 ms

custom_params.js

custom_params.js

18 ms

btn_donateCC_LG.gif

btn_donateCC_LG.gif

111 ms

pixel.gif

pixel.gif

111 ms

bottom.png

bottom.png

34 ms

algodoo_logo_algoryx_web.png

algodoo_logo_algoryx_web.png

103 ms

main-menu-btm-border.png

main-menu-btm-border.png

98 ms

slide-rev-bg2.jpg

slide-rev-bg2.jpg

142 ms

cloud4.png

cloud4.png

103 ms

cloud3.png

cloud3.png

97 ms

cloud2.png

cloud2.png

98 ms

algodoo_logo.png

algodoo_logo.png

102 ms

appstore.png

appstore.png

104 ms

cloud1.png

cloud1.png

103 ms

ipad.png

ipad.png

126 ms

Algoryx_Momentum_Logotyp_DarkGrey_Orange_RGB_72ppi.png

Algoryx_Momentum_Logotyp_DarkGrey_Orange_RGB_72ppi.png

112 ms

checkmark-e1417173486813.png

checkmark-e1417173486813.png

113 ms

shadow.png

shadow.png

116 ms

slide-rev-bg1.png

slide-rev-bg1.png

151 ms

17495_Hagglunds_BV-206.png

17495_Hagglunds_BV-206.png

138 ms

18316_Universe_Experiment_v31_-_Planet___Moon1.png

18316_Universe_Experiment_v31_-_Planet___Moon1.png

116 ms

22238_Exosuirt_R-7_training.png

22238_Exosuirt_R-7_training.png

125 ms

25414_Paragon_Cannonv2.png

25414_Paragon_Cannonv2.png

125 ms

25824_Titan_rocket.png

25824_Titan_rocket.png

136 ms

40313_OFFROAD_Car.png

40313_OFFROAD_Car.png

139 ms

35396_35396_Lunar_Lander_Simulator_v-3_31.png

35396_35396_Lunar_Lander_Simulator_v-3_31.png

137 ms

62978_Cog_Walker.png

62978_Cog_Walker.png

137 ms

motocross.png

motocross.png

146 ms

what_is_it.png

what_is_it.png

139 ms

Algodoo_download1.png

Algodoo_download1.png

145 ms

learn.png

learn.png

156 ms

facebook.png

facebook.png

146 ms

twitter.png

twitter.png

149 ms

youtube.png

youtube.png

150 ms

home-page-before-content-top.png

home-page-before-content-top.png

129 ms

pull-quote-dark.png

pull-quote-dark.png

130 ms

heading_underline.png

heading_underline.png

131 ms

info.png

info.png

149 ms

home-page-content-top.png

home-page-content-top.png

149 ms

font

font

84 ms

font

font

92 ms

iframe_api

iframe_api

88 ms

loader.gif

loader.gif

84 ms

shadow1.png

shadow1.png

85 ms

bullet.png

bullet.png

84 ms

large_left.png

large_left.png

85 ms

large_right.png

large_right.png

84 ms

www-widgetapi.js

www-widgetapi.js

8 ms

Accessibility Review

algodoo.com accessibility score

71

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best Practices

algodoo.com 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

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

algodoo.com SEO score

62

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

Content Best Practices

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

Impact

Issue

High

Image elements do not have [alt] attributes

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 Algodoo.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 Algodoo.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

algodoo.com

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