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nngroup.com screenshot

Report Summary

  • 32

    Performance

    Renders faster than
    52% of other websites

  • 94

    Accessibility

    Visual factors better than
    that of 84% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    81% of websites

  • 98

    SEO

    Google-friendlier than
    92% of websites

nngroup.com

Nielsen Norman Group: UX Training, Consulting, & Research

Page Load Speed

1 sec in total

First Response

66 ms

Resources Loaded

762 ms

Page Rendered

215 ms

nngroup.com screenshot

About Website

Click here to check amazing Nn Group content for United States. Otherwise, check out these important facts you probably never knew about nngroup.com

A leader in the user experience field, NN/g conducts groundbreaking research, trains and certifies UX practitioners, and provides UX consulting to clients.

Visit nngroup.com

Key Findings

We analyzed Nngroup.com page load time and found that the first response time was 66 ms and then it took 977 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 20% of websites can load faster.

Performance Metrics

nngroup.com performance score

32

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.1 s

9/100

10%

LCP (Largest Contentful Paint)

Value6.1 s

12/100

25%

SI (Speed Index)

Value5.1 s

62/100

10%

TBT (Total Blocking Time)

Value1,630 ms

12/100

30%

CLS (Cumulative Layout Shift)

Value0.052

99/100

15%

TTI (Time to Interactive)

Value9.1 s

33/100

10%

Network Requests Diagram

www.nngroup.com

66 ms

c7e8214bbd60.css

206 ms

38a27859ef28.css

85 ms

09399e6ab84e.js

97 ms

347830041.js

178 ms

Our browser made a total of 32 requests to load all elements on the main page. We found that 3% of them (1 request) were addressed to the original Nngroup.com, 47% (15 requests) were made to Media.nngroup.com and 9% (3 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (206 ms) relates to the external source Media.nngroup.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 793.2 kB (60%)

Content Size

1.3 MB

After Optimization

519.0 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Nngroup.com main page is 1.3 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 35% of websites need less resources to load. Javascripts take 766.2 kB which makes up the majority of the site volume.

HTML Optimization

-73%

Potential reduce by 20.4 kB

  • Original 27.8 kB
  • After minification 23.6 kB
  • After compression 7.5 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. This page needs HTML code to be minified as it can gain 4.3 kB, which is 15% 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 20.4 kB or 73% of the original size.

Image Optimization

-12%

Potential reduce by 32.8 kB

  • Original 280.9 kB
  • After minification 248.2 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, Nn Group needs image optimization as it can save up to 32.8 kB or 12% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-70%

Potential reduce by 538.2 kB

  • Original 766.2 kB
  • After minification 690.6 kB
  • After compression 227.9 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 538.2 kB or 70% of the original size.

CSS Optimization

-85%

Potential reduce by 201.9 kB

  • Original 237.3 kB
  • After minification 237.2 kB
  • After compression 35.5 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. Nngroup.com needs all CSS files to be minified and compressed as it can save up to 201.9 kB or 85% of the original size.

Requests Breakdown

Number of requests can be reduced by 10 (37%)

Requests Now

27

After Optimization

17

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 27 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Nn Group. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

www.nngroup.com

www.nngroup.com

66 ms

c7e8214bbd60.css

c7e8214bbd60.css

206 ms

38a27859ef28.css

38a27859ef28.css

85 ms

09399e6ab84e.js

09399e6ab84e.js

97 ms

347830041.js

347830041.js

178 ms

foundation.min.js

foundation.min.js

100 ms

app.js

app.js

90 ms

scroll-to-fixed.js

scroll-to-fixed.js

90 ms

conversion.js

conversion.js

70 ms

event

event

133 ms

analytics.js

analytics.js

106 ms

hotjar-121605.js

hotjar-121605.js

151 ms

logo-wordmark.png

logo-wordmark.png

53 ms

twitter%20follow%20button.png

twitter%20follow%20button.png

123 ms

Kara_training_copy-wide-retouched-600x400.png.300x200_q80.png

Kara_training_copy-wide-retouched-600x400.png.300x200_q80.png

85 ms

Houston_Downtown-main-art.jpg.450x300_q95_crop_upscale.jpg

Houston_Downtown-main-art.jpg.450x300_q95_crop_upscale.jpg

83 ms

washington_dc.jpg.450x300_q95_crop_upscale.jpg

washington_dc.jpg.450x300_q95_crop_upscale.jpg

49 ms

home-consulting.300x200_q95.png.300x200_q80.jpg

home-consulting.300x200_q95.png.300x200_q80.jpg

48 ms

home-reports.jpg.300x200_q80_crop.jpg

home-reports.jpg.300x200_q80_crop.jpg

47 ms

footer_separator.png

footer_separator.png

82 ms

2421.js

2421.js

162 ms

95 ms

842088d0-1ae2-40d0-8561-3c95761ba7a6.woff

842088d0-1ae2-40d0-8561-3c95761ba7a6.woff

71 ms

102ab74c-0e84-4fe5-a17a-b20fb643591a.woff

102ab74c-0e84-4fe5-a17a-b20fb643591a.woff

47 ms

secure.js

secure.js

195 ms

linkid.js

linkid.js

25 ms

collect

collect

26 ms

collect

collect

71 ms

58 ms

modules-1f5c71aea63f8df71401422ed80fbe5f.js

modules-1f5c71aea63f8df71401422ed80fbe5f.js

67 ms

s

s

61 ms

u

u

87 ms

Accessibility Review

nngroup.com accessibility score

94

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

High

Some elements have a [tabindex] value greater than 0

Best Practices

nngroup.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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

SEO Factors

nngroup.com SEO score

98

Search Engine Optimization Advices

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

    N/A

  • Encoding

    UTF-8

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

nngroup.com

Open Graph description is not detected on the main page of Nn Group. 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: