Tools & Wizards About Us
data.ul.com screenshot

Report Summary

  • 73

    Performance

    Renders faster than
    83% of other websites

  • 80

    Accessibility

    Visual factors better than
    that of 50% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 70

    SEO

    Google-friendlier than
    30% of websites

data.ul.com

UL iQ™

Page Load Speed

715 ms in total

First Response

102 ms

Resources Loaded

496 ms

Page Rendered

117 ms

data.ul.com screenshot

About Website

Visit data.ul.com now to see the best up-to-date Data UL content for China and also check out these interesting facts you probably never knew about data.ul.com

brief description of this website

Visit data.ul.com

Key Findings

We analyzed Data.ul.com page load time and found that the first response time was 102 ms and then it took 613 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 10% of websites can load faster. This domain responded with an error, which can significantly jeopardize Data.ul.com rating and web reputation

Performance Metrics

data.ul.com performance score

73

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.4 s

97/100

10%

LCP (Largest Contentful Paint)

Value4.8 s

31/100

25%

SI (Speed Index)

Value2.9 s

95/100

10%

TBT (Total Blocking Time)

Value70 ms

99/100

30%

CLS (Cumulative Layout Shift)

Value0.251

49/100

15%

TTI (Time to Interactive)

Value3.9 s

88/100

10%

Network Requests Diagram

data.ul.com

102 ms

styles.min.css

247 ms

UL_Logo.jpg

30 ms

heroimage_iq.jpg

158 ms

Prospector.png

130 ms

Our browser made a total of 9 requests to load all elements on the main page. We found that 78% of them (7 requests) were addressed to the original Data.ul.com, 22% (2 requests) were made to A96c0b08f2c31f8a791a-706fba5bff11dafa10af667c92fb1371.r1.cf2.rackcdn.com. The less responsive or slowest element that took the longest time to load (247 ms) relates to the external source A96c0b08f2c31f8a791a-706fba5bff11dafa10af667c92fb1371.r1.cf2.rackcdn.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 64.3 kB (32%)

Content Size

198.7 kB

After Optimization

134.4 kB

  • HTML
  • Images
  • CSS

In fact, the total size of Data.ul.com main page is 198.7 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. 15% of websites need less resources to load. Images take 120.9 kB which makes up the majority of the site volume.

HTML Optimization

-70%

Potential reduce by 9.7 kB

  • Original 13.9 kB
  • After minification 12.6 kB
  • After compression 4.2 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. 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 9.7 kB or 70% of the original size.

Image Optimization

-2%

Potential reduce by 2.9 kB

  • Original 120.9 kB
  • After minification 117.9 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. Data UL images are well optimized though.

CSS Optimization

-81%

Potential reduce by 51.7 kB

  • Original 64.0 kB
  • After minification 64.0 kB
  • After compression 12.3 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. Data.ul.com needs all CSS files to be minified and compressed as it can save up to 51.7 kB or 81% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

5

After Optimization

5

  • Images
  • CSS

The browser has sent 5 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Data UL. According to our analytics all requests are already optimized.

Network Requests Diagram

data.ul.com

data.ul.com

102 ms

styles.min.css

styles.min.css

247 ms

UL_Logo.jpg

UL_Logo.jpg

30 ms

heroimage_iq.jpg

heroimage_iq.jpg

158 ms

Prospector.png

Prospector.png

130 ms

logo.png

logo.png

55 ms

shadow.png

shadow.png

49 ms

arrow.gif

arrow.gif

52 ms

glyphs.woff

glyphs.woff

127 ms

Accessibility Review

data.ul.com accessibility score

80

Accessibility Issues

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

Background and foreground colors do not have a sufficient contrast ratio.

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

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

High

Image elements do not have [alt] attributes

High

<input type="image"> elements do not have [alt] text

High

Links do not have a discernible name

Best Practices

data.ul.com best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

SEO Factors

data.ul.com SEO score

70

Search Engine Optimization Advices

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Links do not have descriptive text

High

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

High

Document uses legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Data.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 Data.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.

Social Sharing Optimization

data.ul.com

Open Graph description is not detected on the main page of Data 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: