5 sec in total
1.5 sec
3.2 sec
265 ms
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Visit usbdn.comWe analyzed Usbdn.com page load time and found that the first response time was 1.5 sec and then it took 3.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.
usbdn.com performance score
name
value
score
weighting
Value2.9 s
52/100
10%
Value7.0 s
6/100
25%
Value5.9 s
47/100
10%
Value1,190 ms
21/100
30%
Value0.005
100/100
15%
Value12.2 s
15/100
10%
1497 ms
412 ms
305 ms
682 ms
534 ms
Our browser made a total of 24 requests to load all elements on the main page. We found that 92% of them (22 requests) were addressed to the original Usbdn.com, 8% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.5 sec) belongs to the original domain Usbdn.com.
Page size can be reduced by 90.5 kB (77%)
117.4 kB
26.9 kB
In fact, the total size of Usbdn.com main page is 117.4 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 10% of websites need less resources to load. HTML takes 75.3 kB which makes up the majority of the site volume.
Potential reduce by 69.2 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 32.2 kB, which is 43% 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 69.2 kB or 92% of the original size.
Potential reduce by 16.2 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 16.2 kB or 45% of the original size.
Potential reduce by 5.0 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. Usbdn.com needs all CSS files to be minified and compressed as it can save up to 5.0 kB or 81% of the original size.
Number of requests can be reduced by 9 (41%)
22
13
The browser has sent 22 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Usbdn. 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.
usbdn.com
1497 ms
BDN.css
412 ms
PagesBg.gif
305 ms
TopNewLeftLogo.gif
682 ms
NavigatorArrow.gif
534 ms
RedDot.gif
535 ms
TopNew.gif
929 ms
TopLineBG.gif
525 ms
HomePageBizListBG.gif
1349 ms
Biz_FrameSearch.asp
724 ms
HomePageBizListBG_bottom.gif
555 ms
Publish1.gif
966 ms
Back.gif
557 ms
up.gif
571 ms
ga.js
31 ms
__utm.gif
12 ms
Biz_FrameSearch.asp
513 ms
LMD_Frames.css
305 ms
autocomplete.js
582 ms
common.js
303 ms
auto.js
309 ms
Search.gif
133 ms
HomePage_LeftBG_Top.gif
137 ms
HomePage_LeftBG_Bottom.gif
133 ms
usbdn.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
Buttons do not have an accessible name
Image elements do not have [alt] attributes
Links do not have a discernible name
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
Heading elements are not in a sequentially-descending order
usbdn.com 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
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
usbdn.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
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
Tap targets are not sized appropriately
N/A
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Usbdn.com can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else) and no language is claimed in <html> or <meta> tags either. Our system also found out that Usbdn.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.
usbdn.com
Open Graph description is not detected on the main page of Usbdn. 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: