10.6 sec in total
448 ms
5.6 sec
4.5 sec
Visit cfd-online.com now to see the best up-to-date CFD Online content for China and also check out these interesting facts you probably never knew about cfd-online.com
An online center for Computational Fluid Dynamics. This is the largest CFD site on the net with services like discussion forums, jobs, links and a wiki.
Visit cfd-online.comWe analyzed Cfd-online.com page load time and found that the first response time was 448 ms and then it took 10.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.
cfd-online.com performance score
name
value
score
weighting
Value1.7 s
92/100
10%
Value2.5 s
90/100
25%
Value3.8 s
84/100
10%
Value0 ms
100/100
30%
Value0.01
100/100
15%
Value1.7 s
100/100
10%
448 ms
2055 ms
109 ms
290 ms
382 ms
Our browser made a total of 20 requests to load all elements on the main page. We found that 90% of them (18 requests) were addressed to the original Cfd-online.com, 10% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (2.3 sec) belongs to the original domain Cfd-online.com.
Page size can be reduced by 91.7 kB (33%)
276.5 kB
184.7 kB
In fact, the total size of Cfd-online.com main page is 276.5 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. 60% of websites need less resources to load. Images take 136.3 kB which makes up the majority of the site volume.
Potential reduce by 28.8 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 28.8 kB or 81% of the original size.
Potential reduce by 10.2 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. CFD Online images are well optimized though.
Potential reduce by 44.8 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 44.8 kB or 48% of the original size.
Potential reduce by 7.9 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. Cfd-online.com needs all CSS files to be minified and compressed as it can save up to 7.9 kB or 77% of the original size.
Number of requests can be reduced by 9 (50%)
18
9
The browser has sent 18 CSS, Javascripts, AJAX and image requests in order to completely render the main page of CFD Online. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for JavaScripts and as a result speed up the page load time.
cfd-online.com
448 ms
www.cfd-online.com
2055 ms
p7popmenu.js
109 ms
ads.pl
290 ms
tower.pl
382 ms
cfd_online_mainmenu.css
206 ms
cfdonline.css
293 ms
analytics.js
1173 ms
mainnav_background.gif
1154 ms
new_cfdonline_logo_main_star.gif
1154 ms
new_cfdonline_logo_main_name.gif
1153 ms
new_cfdonline_logo_home.gif
1152 ms
new.gif
1169 ms
twitter_grey.gif
1162 ms
facebook_grey.gif
1150 ms
envenio.gif
1984 ms
mainmenu_button.jpg
2272 ms
right_arrow.gif
2272 ms
pointwise_main.png
1502 ms
collect
389 ms
cfd-online.com accessibility score
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
Image elements do not have [alt] attributes
Links do not have a discernible name
cfd-online.com best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Serves images with low resolution
cfd-online.com SEO score
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Image elements do not have [alt] attributes
EN
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Cfd-online.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 Cfd-online.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.
cfd-online.com
Open Graph description is not detected on the main page of CFD Online. 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: