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openfoam.org: OpenFOAM | Free CFD Software | The OpenFOAM Foundation

Home of OpenFOAM, the CFD software licensed free and open source only, by us — The OpenFOAM Foundation — developed primarily by CFD Direct.

Page load speed analysis

  • 64/100

    Normal result
  • 6

    Successful tests
  • 2

    Failed tests
  • First response

    473 ms

  • Resources loaded

    960 ms

  • Page rendered

    105 ms

  • Total page load time

    1.5 sec

Click here to check amazing OpenFOAM content for China. Otherwise, check out these important facts you probably never knew about openfoam.org

We analyzed Openfoam.org page load time and found that the first response time was 473 ms and then it took 1.1 sec 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.

Page optimization

  • HTML 19.2 kB
    Images 17.0 kB
    Javascripts 0 B
    CSS 45.8 kB

    In fact, the total size of Openfoam.org main page is 82.0 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. 35% of websites need less resources to load. CSS take 45.8 kB which makes up the majority of the site volume.

    • Original 19.2 kB
    • After minification 15.3 kB
    • After compression 4.7 kB

    HTML optimization

    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 3.9 kB, which is 20% 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 14.5 kB or 76% of the original size.

    • Original 17.0 kB
    • After optimization 12.1 kB

    Image optimization

    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, OpenFOAM needs image optimization as it can save up to 4.9 kB or 29% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

    • Original 45.8 kB
    • After minification 30.8 kB
    • After compression 6.8 kB

    CSS optimization

    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. Openfoam.org needs all CSS files to be minified and compressed as it can save up to 39.0 kB or 85% of the original size.

Network requests diagram

  • openfoam.org
  • layout.css
  • content.css
  • headings.css
  • tables.css
  • narrow.css
  • css
  • in.js
  • github.png
  • linkedin.png
  • twitter.png
  • widgets.js
  • supporter-badge.png
  • FoundationLogo.png
  • secureAnonymousFramework
  • v0SdcGFAl2aezM9Vq_aFTQ.ttf
  • DvlFBScY1r-FMtZSYIYoYw.ttf
  • button.831500944bc3eb7ea5276ccdc3f71d2e.js
  • timeline.1b43d11859b7663a2225b885f87704a5.js
  • syndication
  • 542008691604860930
  • follow_button.6a78875565a912489e9aef879c881358.en.html

Our browser made a total of 22 requests to load all elements on the main page. We found that 45% of them (10 requests) were addressed to the original Openfoam.org, 18% (4 requests) were made to Platform.twitter.com and 9% (2 requests) were made to Platform.linkedin.com. The less responsive or slowest element that took the longest time to load (473 ms) belongs to the original domain Openfoam.org.

Additional info on openfoam.org

Requests

The browser has sent 18 CSS, Javascripts, AJAX and image requests in order to completely render the main page of OpenFOAM. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

6

Javascripts

6

Images

5

CSS

1

AJAX

18

All

Possible request optimization

1

Javascripts

6

Images

1

CSS

1

AJAX

9

Optimized

9

All

Good result

IP address

This IP address is dedicated to Openfoam.org. This is the best domain hosting practice .

Normal result

IP Trace

openfoam.org

52.56.138.82

DNS records

Type Host Target/ip TTL Other
A

openfoam.org

52.56.138.82 59
NS

openfoam.org

ns-1447.awsdns-52.org 21599
NS

openfoam.org

ns-1743.awsdns-25.co.uk 21599
NS

openfoam.org

ns-26.awsdns-03.com 21599
NS

openfoam.org

ns-857.awsdns-43.net 21599

Language and encoding

Good result

Language

EN en language flag

Detected

EN en language flag

Claimed

Encoding

UTF-8

Claimed

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Openfoam.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 Openfoam.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.

HTTPS certificate

SSL Certificate

Openfoam.org has no SSL certificate. Web browsing can be safer with HTTPS connection, so we suggest that it should be obtained for this site.

Normal result

Visitor World Map

Country of origin for 49.7% of all visits is China. It lies approximately 4950 miles away from the server location (United Kingdom) and such a long distance can negatively affect website speed, as it takes some time for data to travel back and forth between those places. That’s why one of the best ways to speed up Openfoam.org page load time for the majority of users is moving the server to China or just closer to the user base.

Poor result

Poor result

Social Sharing Optimization

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

openfoam.org

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