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Welcome to universalsecurity.com homepage info - get ready to check Universal Security best content for United States right away, or after learning these important things about universalsecurity.com
USI makes the most innovative home protection solutions available today. Since our founding in 1969, we’ve become one of the largest manufacturers of smoke and carbon monoxide alarms in the world.
Visit universalsecurity.comWe analyzed Universalsecurity.com page load time and found that the first response time was 16 ms and then it took 469 ms to load all DOM resources and completely render a web page. This is an excellent result, as only 5% of websites can load faster.
universalsecurity.com performance score
name
value
score
weighting
Value3.1 s
45/100
10%
Value14.5 s
0/100
25%
Value11.0 s
6/100
10%
Value4,160 ms
1/100
30%
Value0.295
40/100
15%
Value13.3 s
12/100
10%
16 ms
56 ms
37 ms
25 ms
22 ms
Our browser made a total of 33 requests to load all elements on the main page. We found that 88% of them (29 requests) were addressed to the original Universalsecurity.com, 6% (2 requests) were made to Google-analytics.com and 3% (1 request) were made to Ajax.googleapis.com. The less responsive or slowest element that took the longest time to load (114 ms) belongs to the original domain Universalsecurity.com.
Page size can be reduced by 438.2 kB (55%)
796.3 kB
358.1 kB
In fact, the total size of Universalsecurity.com main page is 796.3 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. 45% of websites need less resources to load. Javascripts take 384.1 kB which makes up the majority of the site volume.
Potential reduce by 36.2 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 8.1 kB, which is 19% 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 36.2 kB or 84% of the original size.
Potential reduce by 1.4 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. Universal Security images are well optimized though.
Potential reduce by 261.1 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 261.1 kB or 68% of the original size.
Potential reduce by 139.5 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. Universalsecurity.com needs all CSS files to be minified and compressed as it can save up to 139.5 kB or 84% of the original size.
Number of requests can be reduced by 11 (37%)
30
19
The browser has sent 30 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Universal Security. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.
universalsecurity.com
16 ms
www.universalsecurity.com
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bootstrap.min.css
37 ms
normalize.css
25 ms
webflow.css
22 ms
usi_styles.css
20 ms
jquery.min.js
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bootstrap.min.js
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bootstrap-hover-dropdown.js
25 ms
webfont.js
34 ms
modernizr.js
25 ms
tab_css.css
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webflow.js
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jquery-1.6.4.min.js
114 ms
analytics.js
109 ms
universal-security-instruments-logo.png
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searchIcon.png
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pic_17b2dcca.jpg
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pic_f82bd1a0.jpg
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pic_119faaf1.jpg
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subfeature_purple.jpg
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subfeature_green.jpg
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pic_cedc3bed.png
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facebook-Icon.png
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youtubeIcon.png
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email-icon.png
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universal-security-instruments-USIelectric-ftr-logo.png
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collect
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universalsecurity.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.
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
universalsecurity.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
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
universalsecurity.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
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 Universalsecurity.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 Universalsecurity.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.
universalsecurity.com
Open Graph description is not detected on the main page of Universal Security. 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: