9.9 sec in total
113 ms
6.4 sec
3.4 sec
Click here to check amazing Usabilitynet content for United States. Otherwise, check out these important facts you probably never knew about usabilitynet.org
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Visit usabilitynet.orgWe analyzed Usabilitynet.org page load time and found that the first response time was 113 ms and then it took 9.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.
usabilitynet.org performance score
name
value
score
weighting
Value7.2 s
1/100
10%
Value13.4 s
0/100
25%
Value13.3 s
2/100
10%
Value2,310 ms
5/100
30%
Value0.003
100/100
15%
Value16.5 s
5/100
10%
113 ms
30 ms
2136 ms
74 ms
23 ms
Our browser made a total of 295 requests to load all elements on the main page. We found that 1% of them (2 requests) were addressed to the original Usabilitynet.org, 84% (248 requests) were made to Images.linkcdn.cloud and 10% (30 requests) were made to Cosmopolitanfm.com. The less responsive or slowest element that took the longest time to load (3.6 sec) relates to the external source Cosmopolitanfm.com.
Page size can be reduced by 288.2 kB (21%)
1.4 MB
1.1 MB
In fact, the total size of Usabilitynet.org main page is 1.4 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. Only a small number of websites need less resources to load. HTML takes 580.8 kB which makes up the majority of the site volume.
Potential reduce by 286.1 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 72.1 kB, which is 12% 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 286.1 kB or 49% of the original size.
Potential reduce by 11 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. Usabilitynet images are well optimized though.
Potential reduce by 516 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 1.5 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. Usabilitynet.org has all CSS files already compressed.
Number of requests can be reduced by 19 (7%)
282
263
The browser has sent 282 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Usabilitynet. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.
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usabilitynet.org accessibility score
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
[id] attributes on active, focusable elements are not unique
Heading elements are not in a sequentially-descending order
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
<frame> or <iframe> elements do not have a title
Image elements do not have [alt] attributes
Links do not have a discernible name
Tables and lists
These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.
Impact
Issue
Lists do not contain only <li> elements and script supporting elements (<script> and <template>).
Best practices
These items highlight common accessibility best practices.
Impact
Issue
[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.
usabilitynet.org best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Includes front-end JavaScript libraries with known security vulnerabilities
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Displays images with incorrect aspect ratio
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
Missing source maps for large first-party JavaScript
usabilitynet.org SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
robots.txt is not valid
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
Mobile Friendly
Make sure your pages are mobile friendly so users don’t have to pinch or zoom in order to read the content pages. [Learn more](https://developers.google.com/search/mobile-sites/).
Impact
Issue
Document uses legible font sizes
ID
ID
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Usabilitynet.org can be misinterpreted by Google and other search engines. Our service has detected that is used on the page, and it matches the claimed language. Our system also found out that Usabilitynet.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.
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usabilitynet.org
Open Graph description is not detected on the main page of Usabilitynet. 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: