3 sec in total
911 ms
1.7 sec
336 ms
Visit ul.com now to see the best up-to-date UL content for China and also check out these interesting facts you probably never knew about ul.com
UL Solutions is a global independent safety science company with more than a century of expertise innovating safety solutions.
Visit ul.comWe analyzed Ul.com page load time and found that the first response time was 911 ms and then it took 2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.
ul.com performance score
name
value
score
weighting
Value2.9 s
54/100
10%
Value4.3 s
41/100
25%
Value5.6 s
53/100
10%
Value1,290 ms
18/100
30%
Value0.02
100/100
15%
Value9.7 s
29/100
10%
911 ms
52 ms
47 ms
61 ms
84 ms
Our browser made a total of 36 requests to load all elements on the main page. We found that 53% of them (19 requests) were addressed to the original Ul.com, 25% (9 requests) were made to 293fe4be4b41eca69c54-706fba5bff11dafa10af667c92fb1371.ssl.cf2.rackcdn.com and 6% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (911 ms) belongs to the original domain Ul.com.
Page size can be reduced by 285.1 kB (32%)
884.1 kB
599.0 kB
In fact, the total size of Ul.com main page is 884.1 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. 40% of websites need less resources to load. Images take 501.2 kB which makes up the majority of the site volume.
Potential reduce by 58.5 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. HTML code on this page is well minified. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 58.5 kB or 82% of the original size.
Potential reduce by 9.6 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. UL images are well optimized though.
Potential reduce by 160.4 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 160.4 kB or 67% of the original size.
Potential reduce by 56.5 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. Ul.com needs all CSS files to be minified and compressed as it can save up to 56.5 kB or 80% of the original size.
Number of requests can be reduced by 12 (39%)
31
19
The browser has sent 31 CSS, Javascripts, AJAX and image requests in order to completely render the main page of UL. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.
ul.com
911 ms
styles.min.css
52 ms
layouts.min.css
47 ms
style.css
61 ms
style.css
84 ms
jquery-1.11.0.min.js
8 ms
conditionizr-4.3.0.min.js
104 ms
modernizr-2.7.1.min.js
104 ms
scripts.min.js
55 ms
mobileSwitch.js
82 ms
background.png
158 ms
55 ms
221587.js
218 ms
analytics.js
49 ms
insight.min.js
48 ms
admin-ajax.php
610 ms
admin-ajax.php
488 ms
logo-white.png
11 ms
ULAcquiresWHS940X400.jpg
120 ms
UL_Homepage_banner_224x124_Hoverboard_FINAL1-220x124.jpg
52 ms
IntroducingULsIndustryAnalyticsTool_TN_220x124.jpg
52 ms
SupportingEachStageOfTheProductCycle_TN_220x124.jpg
74 ms
YourPartnerForEnsuringSecurePayments_TN_220x124.jpg
74 ms
authorities-e1438971703694.jpg
84 ms
UL_CustomerResources.png
204 ms
consumers.jpg
84 ms
ul-certification-marks.jpg
105 ms
what-we-do.jpg
107 ms
our-mission.jpg
118 ms
worldwide-locations-directory.jpg
120 ms
careers.jpg
139 ms
thesans_tt5_-webfont.woff
23 ms
glyphs.woff
156 ms
thesans_tt3_-webfont.woff
47 ms
thesans_tt7_-webfont.woff
47 ms
collect
29 ms
ul.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
Links do not have a discernible name
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
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.
ul.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
Browser errors were logged to the console
Missing source maps for large first-party JavaScript
Issues were logged in the Issues panel in Chrome Devtools
ul.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
EN
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Ul.com can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Ul.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.
ul.com
Open Graph description is not detected on the main page of UL. 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: