3.9 sec in total
742 ms
3.1 sec
120 ms
Visit usdigital.com now to see the best up-to-date US Digital content for United States and also check out these interesting facts you probably never knew about usdigital.com
US Digital designs and manufactures optical encoders, inclinometers & motion control components. Our complete product line includes either absolute or incremental optical encoder & inclinometer produc...
Visit usdigital.comWe analyzed Usdigital.com page load time and found that the first response time was 742 ms and then it took 3.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.
usdigital.com performance score
name
value
score
weighting
Value6.6 s
2/100
10%
Value12.7 s
0/100
25%
Value11.6 s
4/100
10%
Value2,070 ms
7/100
30%
Value0
100/100
15%
Value18.5 s
3/100
10%
742 ms
297 ms
670 ms
19 ms
27 ms
Our browser made a total of 120 requests to load all elements on the main page. We found that 49% of them (59 requests) were addressed to the original Usdigital.com, 46% (55 requests) were made to Cdn.usdigital.com and 2% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.3 sec) relates to the external source Cdn.usdigital.com.
Page size can be reduced by 53.0 kB (12%)
453.9 kB
400.9 kB
In fact, the total size of Usdigital.com main page is 453.9 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. 25% of websites need less resources to load. Images take 397.5 kB which makes up the majority of the site volume.
Potential reduce by 30.6 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 6.7 kB, which is 18% 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 30.6 kB or 83% of the original size.
Potential reduce by 20.7 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. US Digital images are well optimized though.
Potential reduce by 34 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 1.7 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. Usdigital.com needs all CSS files to be minified and compressed as it can save up to 1.7 kB or 73% of the original size.
Number of requests can be reduced by 30 (48%)
62
32
The browser has sent 62 CSS, Javascripts, AJAX and image requests in order to completely render the main page of US Digital. 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.
usdigital.com
742 ms
home.css
297 ms
USDigital__products_hover.js
670 ms
conversion.js
19 ms
ga.js
27 ms
h1.gif
80 ms
nav.gif
79 ms
nav_search_button.gif
79 ms
nav_search_input_gray.gif
159 ms
e4t_usd_splash.jpg
166 ms
hirez_usd_splash.jpg
165 ms
usd_video_splash.jpg
157 ms
splash_bg.png
167 ms
cell_shadow.gif
166 ms
hd.gif
229 ms
hd_corner_left.gif
234 ms
hd_corner_right.gif
247 ms
icon_product_latest_small.gif
244 ms
browse_products_bd.gif
247 ms
new_callout_mini.png
238 ms
browse_products_content_li_a.gif
303 ms
e4t_webproduct_05.gif
313 ms
browse_products_content_li_img.gif
312 ms
browse_products_content_li_a_span.gif
322 ms
t7_webproduct_02.gif
329 ms
em2_webproduct_04_4.gif
322 ms
e5_webproduct_01.gif
376 ms
s4t_webproduct_01_1.gif
386 ms
browse_products_ft.gif
390 ms
browse_products_ft_corner_left.gif
399 ms
browse_products_ft_corner_right.gif
400 ms
cell_4-5_shadow.gif
405 ms
adbox_bkg.jpg
449 ms
iso_ad.png
459 ms
event_itar_news.png
468 ms
hd_aes.gif
475 ms
hd_aes_corner_left.gif
476 ms
hd_aes_corner_right.gif
481 ms
cell_bd.jpg
524 ms
footer_order_0_0_0.png
533 ms
guide_footer_0.png
535 ms
75 ms
__utm.gif
12 ms
nav_search_button.gif
653 ms
h1.gif
632 ms
nav.gif
653 ms
collect
68 ms
47 ms
models_footer_0.png
421 ms
footer_cell_bare.gif
420 ms
footer_cell_bare_hd.gif
423 ms
usd_video_splash.jpg
599 ms
nav_search_input_gray.gif
546 ms
e4t_usd_splash.jpg
1220 ms
hirez_usd_splash.jpg
999 ms
cell_shadow.gif
699 ms
splash_bg.png
667 ms
hd.gif
603 ms
hd_corner_left.gif
621 ms
new_callout_mini.png
761 ms
icon_product_latest_small.gif
680 ms
browse_products_bd.gif
750 ms
hd_corner_right.gif
714 ms
browse_products_content_li_a.gif
708 ms
browse_products_content_li_img.gif
731 ms
e4t_webproduct_05.gif
825 ms
browse_products_content_li_a_span.gif
774 ms
em2_webproduct_04_4.gif
759 ms
t7_webproduct_02.gif
786 ms
e5_webproduct_01.gif
776 ms
s4t_webproduct_01_1.gif
783 ms
browse_products_ft.gif
818 ms
browse_products_ft_corner_left.gif
845 ms
browse_products_ft_corner_right.gif
847 ms
cell_4-5_shadow.gif
869 ms
adbox_bkg.jpg
843 ms
iso_ad.png
1285 ms
event_itar_news.png
1237 ms
hd_aes.gif
858 ms
hd_aes_corner_left.gif
894 ms
hd_aes_corner_right.gif
914 ms
cell_bd.jpg
904 ms
footer_order_0_0_0.png
1107 ms
guide_footer_0.png
912 ms
footer_cell_bare.gif
961 ms
models_footer_0.png
1010 ms
footer_cell_bare_hd.gif
993 ms
footer_cell_bare_hd_corner_left.gif
81 ms
footer_cell_bare_hd_corner_right.gif
92 ms
footer_cell_bare_first.gif
82 ms
livesupport_footer.png
93 ms
footer_cell_bare_ft.gif
95 ms
footer_cell_bare_ft_corner_left.gif
89 ms
footer_cell_bare_ft_corner_right.gif
152 ms
icon_facebook_small.png
155 ms
icon_twitter_small.png
166 ms
icon_youtube.png
168 ms
icon_linkedin_small.png
170 ms
footer_left.gif
172 ms
quick_search_hd.gif
222 ms
quick_search_li.gif
226 ms
ul_li.gif
243 ms
quick_search_ft.png
247 ms
footer_cell_bare_hd_corner_left.gif
820 ms
footer_cell_bare_first.gif
894 ms
footer_cell_bare_ft_corner_left.gif
869 ms
footer_cell_bare_hd_corner_right.gif
892 ms
livesupport_footer.png
924 ms
footer_cell_bare_ft.gif
948 ms
footer_cell_bare_ft_corner_right.gif
911 ms
icon_facebook_small.png
897 ms
icon_twitter_small.png
910 ms
icon_youtube.png
922 ms
icon_linkedin_small.png
941 ms
footer_left.gif
967 ms
quick_search_hd.gif
923 ms
quick_search_li.gif
931 ms
ul_li.gif
932 ms
quick_search_ft.png
1010 ms
print.css
72 ms
usdigital.com accessibility score
ARIA
These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.
Impact
Issue
[aria-*] attributes do not match their roles
[aria-hidden="true"] elements contain focusable descendents
ARIA input fields do not have accessible names
Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.
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
usdigital.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
General
Impact
Issue
Detected JavaScript libraries
usdigital.com SEO score
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Links do not have descriptive text
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
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
EN
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Usdigital.com 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 Usdigital.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.
usdigital.com
Open Graph description is not detected on the main page of US Digital. 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: