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service.dnb.com screenshot

Report Summary

  • 30

    Performance

    Renders faster than
    50% of other websites

  • 87

    Accessibility

    Visual factors better than
    that of 66% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 77

    SEO

    Google-friendlier than
    36% of websites

service.dnb.com

Digital Service Center: answers and support for all things Dun & Bradstreet

Page Load Speed

2.4 sec in total

First Response

473 ms

Resources Loaded

1.8 sec

Page Rendered

65 ms

service.dnb.com screenshot

About Website

Welcome to service.dnb.com homepage info - get ready to check Service Dnb best content for United States right away, or after learning these important things about service.dnb.com

Customer service portal for D&B solutions/services. Request a D-U-N-S Number, update your company information, get product help, access live support options.

Visit service.dnb.com

Key Findings

We analyzed Service.dnb.com page load time and found that the first response time was 473 ms and then it took 1.9 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.

Performance Metrics

service.dnb.com performance score

30

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.6 s

62/100

10%

LCP (Largest Contentful Paint)

Value3.5 s

64/100

25%

SI (Speed Index)

Value11.8 s

4/100

10%

TBT (Total Blocking Time)

Value2,590 ms

4/100

30%

CLS (Cumulative Layout Shift)

Value0.3

40/100

15%

TTI (Time to Interactive)

Value20.4 s

2/100

10%

Network Requests Diagram

service.dnb.com

473 ms

5YMZU-M5E62-7UKJV-TN56J-HZEZ7

25 ms

19hhlo

189 ms

h25dg3ndeu

93 ms

scripts.1d50d8d9e1efd8fb.js

591 ms

Our browser made a total of 12 requests to load all elements on the main page. We found that 50% of them (6 requests) were addressed to the original Service.dnb.com, 17% (2 requests) were made to Clarity.ms and 8% (1 request) were made to S.go-mpulse.net. The less responsive or slowest element that took the longest time to load (591 ms) belongs to the original domain Service.dnb.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 270.2 kB (82%)

Content Size

331.4 kB

After Optimization

61.1 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Service.dnb.com main page is 331.4 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. 20% of websites need less resources to load. CSS take 311.1 kB which makes up the majority of the site volume.

HTML Optimization

-64%

Potential reduce by 10.0 kB

  • Original 15.6 kB
  • After minification 15.5 kB
  • After compression 5.6 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. 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 10.0 kB or 64% of the original size.

Image Optimization

-15%

Potential reduce by 486 B

  • Original 3.2 kB
  • After minification 2.7 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. Obviously, Service Dnb needs image optimization as it can save up to 486 B or 15% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-17%

Potential reduce by 243 B

  • Original 1.4 kB
  • After minification 1.4 kB
  • After compression 1.2 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 243 B or 17% of the original size.

CSS Optimization

-83%

Potential reduce by 259.5 kB

  • Original 311.1 kB
  • After minification 311.1 kB
  • After compression 51.7 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. Service.dnb.com needs all CSS files to be minified and compressed as it can save up to 259.5 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 4 (40%)

Requests Now

10

After Optimization

6

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 10 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Service Dnb. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

service.dnb.com

service.dnb.com

473 ms

5YMZU-M5E62-7UKJV-TN56J-HZEZ7

5YMZU-M5E62-7UKJV-TN56J-HZEZ7

25 ms

19hhlo

19hhlo

189 ms

h25dg3ndeu

h25dg3ndeu

93 ms

scripts.1d50d8d9e1efd8fb.js

scripts.1d50d8d9e1efd8fb.js

591 ms

info-big.png

info-big.png

392 ms

config.json

config.json

42 ms

clarity.js

clarity.js

15 ms

AvenirLTStd-Medium.bcdfbf1dbebb93f2.otf

AvenirLTStd-Medium.bcdfbf1dbebb93f2.otf

523 ms

styles.8231544e60abe575.css

styles.8231544e60abe575.css

11 ms

styles.8231544e60abe575.css

styles.8231544e60abe575.css

423 ms

c.gif

c.gif

7 ms

Accessibility Review

service.dnb.com accessibility score

87

Accessibility Issues

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

High

[aria-*] attributes do not match their roles

High

[role]s do not have all required [aria-*] attributes

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

Best Practices

service.dnb.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

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

SEO Factors

service.dnb.com SEO score

77

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

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

High

robots.txt is not valid

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

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 Service.dnb.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 Service.dnb.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

service.dnb.com

Open Graph description is not detected on the main page of Service Dnb. 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: