Report Summary

  • 63

    Performance

    Renders faster than
    77% of other websites

  • 100

    Accessibility

    Visual factors better than
    that of 97% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    81% of websites

  • 88

    SEO

    Google-friendlier than
    66% of websites

data.com

Accurate Business Information and Company Profiles from Leading Business Data - Data.com

Page Load Speed

884 ms in total

First Response

23 ms

Resources Loaded

536 ms

Page Rendered

325 ms

data.com screenshot

About Website

Welcome to data.com homepage info - get ready to check Data best content for China right away, or after learning these important things about data.com

Data.com Connect was retired as of May 4th, 2019. Learn more about the retirement and review our FAQs.

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Key Findings

We analyzed Data.com page load time and found that the first response time was 23 ms and then it took 861 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 15% of websites can load faster.

Performance Metrics

data.com performance score

63

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.5 s

66/100

10%

LCP (Largest Contentful Paint)

Value4.4 s

40/100

25%

SI (Speed Index)

Value2.9 s

94/100

10%

TBT (Total Blocking Time)

Value140 ms

96/100

30%

CLS (Cumulative Layout Shift)

Value0.373

28/100

15%

TTI (Time to Interactive)

Value8.7 s

36/100

10%

Network Requests Diagram

data.com

23 ms

www.data.com

190 ms

data-min.css

30 ms

header-min.js

38 ms

footer-min.js

27 ms

Our browser made a total of 21 requests to load all elements on the main page. We found that 67% of them (14 requests) were addressed to the original Data.com, 10% (2 requests) were made to D.adroll.com and 5% (1 request) were made to Ad.doubleclick.net. The less responsive or slowest element that took the longest time to load (190 ms) belongs to the original domain Data.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 255.6 kB (33%)

Content Size

769.0 kB

After Optimization

513.4 kB

In fact, the total size of Data.com main page is 769.0 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. 30% of websites need less resources to load. Images take 397.1 kB which makes up the majority of the site volume.

HTML Optimization

-67%

Potential reduce by 20.2 kB

  • Original 30.2 kB
  • After minification 29.7 kB
  • After compression 10.0 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 20.2 kB or 67% of the original size.

Image Optimization

-3%

Potential reduce by 11.3 kB

  • Original 397.1 kB
  • After minification 385.8 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 images are well optimized though.

JavaScript Optimization

-66%

Potential reduce by 224.1 kB

  • Original 341.7 kB
  • After minification 341.7 kB
  • After compression 117.6 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 224.1 kB or 66% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

12

After Optimization

12

The browser has sent 12 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Data. According to our analytics all requests are already optimized.

Accessibility Review

data.com accessibility score

100

Accessibility Issues

Best Practices

data.com best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

SEO Factors

data.com SEO score

88

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

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.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.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

Open Graph data is detected on the main page of Data. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: