6.6 sec in total
277 ms
6.2 sec
93 ms
Click here to check amazing VACET content. Otherwise, check out these important facts you probably never knew about vacet.org
VACET: DOE SciDAC Visualization and Analytic Center for Enabling Technologies. VACET focuses on the creation and deployment of scientific visualization and analytics software technology to increase sc...
Visit vacet.orgWe analyzed Vacet.org page load time and found that the first response time was 277 ms and then it took 6.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.
vacet.org performance score
name
value
score
weighting
Value1.4 s
97/100
10%
Value2.4 s
92/100
25%
Value2.0 s
99/100
10%
Value90 ms
98/100
30%
Value0.039
100/100
15%
Value2.4 s
98/100
10%
277 ms
254 ms
275 ms
239 ms
246 ms
Our browser made a total of 39 requests to load all elements on the main page. We found that 95% of them (37 requests) were addressed to the original Vacet.org, 5% (2 requests) were made to Ssl.google-analytics.com. The less responsive or slowest element that took the longest time to load (5.5 sec) belongs to the original domain Vacet.org.
Page size can be reduced by 16.4 kB (18%)
91.6 kB
75.2 kB
In fact, the total size of Vacet.org main page is 91.6 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. Only 5% of websites need less resources to load. Images take 53.3 kB which makes up the majority of the site volume.
Potential reduce by 15.1 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. This page needs HTML code to be minified as it can gain 2.1 kB, which is 11% 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 15.1 kB or 79% of the original size.
Potential reduce by 834 B
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. VACET images are well optimized though.
Potential reduce by 399 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. This website has mostly compressed JavaScripts.
Potential reduce by 81 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. Vacet.org needs all CSS files to be minified and compressed as it can save up to 81 B or 11% of the original size.
Number of requests can be reduced by 23 (72%)
32
9
The browser has sent 32 CSS, Javascripts, AJAX and image requests in order to completely render the main page of VACET. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests and as a result speed up the page load time.
vacet.org
277 ms
VACET_styles.css
254 ms
menu.js
275 ms
main_about_off.gif
239 ms
main_about_on.gif
246 ms
main_vistools_off.gif
291 ms
main_vistools_on.gif
275 ms
main_application_off.gif
276 ms
main_application_on.gif
282 ms
main_collab_off.gif
476 ms
main_collab_on.gif
1142 ms
main_software_off.gif
2146 ms
main_software_on.gif
2142 ms
main_images_off.gif
3150 ms
main_images_on.gif
3149 ms
main_pubs_off.gif
3147 ms
main_pubs_on.gif
3152 ms
main_contact_off.gif
4149 ms
main_contact_on.gif
4152 ms
main_links_off.gif
4158 ms
main_links_on.gif
4154 ms
splash_set0.jpg
4161 ms
splash_set1.jpg
3239 ms
splash_set2.jpg
4163 ms
splash_set3.jpg
4389 ms
splash_set4.jpg
4385 ms
splash_set5.jpg
4868 ms
main_header_top.gif
5130 ms
main_header_mid.gif
5158 ms
main_menu_bottom.gif
4249 ms
shim.gif
5158 ms
main_header_linkstrip.gif
5160 ms
main_subhead_software_wiki.gif
5164 ms
main_subhead_newsevents.gif
5164 ms
main_footer.gif
5376 ms
splash_set4.jpg
5520 ms
main_doe_logo.gif
5378 ms
ga.js
20 ms
__utm.gif
11 ms
vacet.org accessibility score
Internationalization and localization
These are opportunities to improve the interpretation of your content by users in different locales.
Impact
Issue
<html> element does not have a [lang] attribute
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
vacet.org 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
General
Impact
Issue
Browser errors were logged to the console
vacet.org SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
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
Image elements do not have [alt] attributes
EN
N/A
N/A
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Vacet.org 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 Vacet.org main page’s claimed encoding is . 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.
vacet.org
Open Graph description is not detected on the main page of VACET. 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: