Tools & Wizards About Us
openscenegraph.org screenshot

Report Summary

  • 35

    Performance

    Renders faster than
    56% of other websites

  • 97

    Accessibility

    Visual factors better than
    that of 93% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 77

    SEO

    Google-friendlier than
    36% of websites

openscenegraph.org

Home

Page Load Speed

1.7 sec in total

First Response

78 ms

Resources Loaded

1.3 sec

Page Rendered

236 ms

openscenegraph.org screenshot

About Website

Visit openscenegraph.org now to see the best up-to-date Openscenegraph content for Bolivia and also check out these interesting facts you probably never knew about openscenegraph.org

Project website for OpenSceneGraph

Visit openscenegraph.org

Key Findings

We analyzed Openscenegraph.org page load time and found that the first response time was 78 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 25% of websites can load faster.

Performance Metrics

openscenegraph.org performance score

35

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.4 s

16/100

10%

LCP (Largest Contentful Paint)

Value5.2 s

23/100

25%

SI (Speed Index)

Value13.7 s

2/100

10%

TBT (Total Blocking Time)

Value1,210 ms

20/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value6.0 s

65/100

10%

Network Requests Diagram

openscenegraph.org

78 ms

www.openscenegraph.org

403 ms

index.php

42 ms

index.php

45 ms

index.php

61 ms

Our browser made a total of 38 requests to load all elements on the main page. We found that 84% of them (32 requests) were addressed to the original Openscenegraph.org, 5% (2 requests) were made to Platform.twitter.com and 3% (1 request) were made to Remograph.com. The less responsive or slowest element that took the longest time to load (465 ms) relates to the external source Cdn.syndication.twimg.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 140.1 kB (29%)

Content Size

480.7 kB

After Optimization

340.6 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Openscenegraph.org main page is 480.7 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. 35% of websites need less resources to load. Images take 436.9 kB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 31.5 kB

  • Original 39.6 kB
  • After minification 36.6 kB
  • After compression 8.1 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 31.5 kB or 79% of the original size.

Image Optimization

-24%

Potential reduce by 105.4 kB

  • Original 436.9 kB
  • After minification 331.4 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. Obviously, Openscenegraph needs image optimization as it can save up to 105.4 kB or 24% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-75%

Potential reduce by 2.1 kB

  • Original 2.7 kB
  • After minification 1.8 kB
  • After compression 674 B

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 2.1 kB or 75% of the original size.

CSS Optimization

-77%

Potential reduce by 1.1 kB

  • Original 1.4 kB
  • After minification 951 B
  • After compression 331 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. Openscenegraph.org needs all CSS files to be minified and compressed as it can save up to 1.1 kB or 77% of the original size.

Requests Breakdown

Number of requests can be reduced by 17 (47%)

Requests Now

36

After Optimization

19

  • Images
  • JavaScript
  • CSS

The browser has sent 36 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Openscenegraph. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

openscenegraph.org

openscenegraph.org

78 ms

www.openscenegraph.org

www.openscenegraph.org

403 ms

index.php

index.php

42 ms

index.php

index.php

45 ms

index.php

index.php

61 ms

ja.rightcol.js

ja.rightcol.js

5 ms

system.css

system.css

9 ms

remo3d_screenshot8_smaller.png

remo3d_screenshot8_smaller.png

401 ms

delta3d.png

delta3d.png

112 ms

widgets.js

widgets.js

84 ms

header3.jpg

header3.jpg

15 ms

header-mask.png

header-mask.png

12 ms

logo.gif

logo.gif

12 ms

grad1-mask.png

grad1-mask.png

12 ms

arrow3.png

arrow3.png

13 ms

arrow.png

arrow.png

14 ms

t3_logo_light_sm.png

t3_logo_light_sm.png

15 ms

font-tool.gif

font-tool.gif

14 ms

icon-youtube.png

icon-youtube.png

14 ms

container-bg.gif

container-bg.gif

15 ms

L302.jpg

L302.jpg

15 ms

capture00394.png

capture00394.png

17 ms

rieer.png

rieer.png

19 ms

cityeffect6.jpg

cityeffect6.jpg

16 ms

beginnersguide.png

beginnersguide.png

19 ms

openscenegraph3cookbook.jpg

openscenegraph3cookbook.jpg

18 ms

osg64.png

osg64.png

18 ms

b-br.gif

b-br.gif

21 ms

b-bl.gif

b-bl.gif

21 ms

b-tr.gif

b-tr.gif

21 ms

b-tl.gif

b-tl.gif

21 ms

bullet.gif

bullet.gif

20 ms

arrow2.png

arrow2.png

21 ms

grad3.gif

grad3.gif

22 ms

dot1.gif

dot1.gif

22 ms

timeline.1b43d11859b7663a2225b885f87704a5.js

timeline.1b43d11859b7663a2225b885f87704a5.js

120 ms

syndication

syndication

95 ms

360695062713229312

360695062713229312

465 ms

Accessibility Review

openscenegraph.org accessibility score

97

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.

Best Practices

openscenegraph.org best practices score

58

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

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

openscenegraph.org SEO score

77

Search Engine Optimization Advices

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 Openscenegraph.org 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 Openscenegraph.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

openscenegraph.org

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