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nkusa.com screenshot

Report Summary

  • 64

    Performance

    Renders faster than
    77% of other websites

  • 56

    Accessibility

    Visual factors better than
    that of 24% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 84

    SEO

    Google-friendlier than
    52% of websites

nkusa.com

Patient Monitoring & Medical Equipment | Nihon Kohden

Page Load Speed

714 ms in total

First Response

9 ms

Resources Loaded

474 ms

Page Rendered

231 ms

nkusa.com screenshot

About Website

Click here to check amazing Nkusa content. Otherwise, check out these important facts you probably never knew about nkusa.com

Our patient monitoring systems are empowering hospitals to radically improve their quality and economics of care. Visit Nihon Kohden today.

Visit nkusa.com

Key Findings

We analyzed Nkusa.com page load time and found that the first response time was 9 ms and then it took 705 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

nkusa.com performance score

64

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.2 s

77/100

10%

LCP (Largest Contentful Paint)

Value15.8 s

0/100

25%

SI (Speed Index)

Value2.2 s

99/100

10%

TBT (Total Blocking Time)

Value110 ms

97/100

30%

CLS (Cumulative Layout Shift)

Value0.017

100/100

15%

TTI (Time to Interactive)

Value11.0 s

21/100

10%

Network Requests Diagram

nkusa.com

9 ms

us.nihonkohden.com

72 ms

bootstrap.min.css

3 ms

bootstrap-theme.min.css

30 ms

font-awesome.min.css

28 ms

Our browser made a total of 25 requests to load all elements on the main page. We found that 4% of them (1 request) were addressed to the original Nkusa.com, 76% (19 requests) were made to Us.nihonkohden.com and 4% (1 request) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (109 ms) relates to the external source Px.ads.linkedin.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 395.4 kB (15%)

Content Size

2.6 MB

After Optimization

2.2 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Nkusa.com main page is 2.6 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. 55% of websites need less resources to load. Images take 2.5 MB which makes up the majority of the site volume.

HTML Optimization

-71%

Potential reduce by 19.7 kB

  • Original 27.8 kB
  • After minification 24.4 kB
  • After compression 8.1 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 3.4 kB, which is 12% 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 19.7 kB or 71% of the original size.

Image Optimization

-15%

Potential reduce by 374.7 kB

  • Original 2.5 MB
  • After minification 2.1 MB

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, Nkusa needs image optimization as it can save up to 374.7 kB 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

-2%

Potential reduce by 1.0 kB

  • Original 57.4 kB
  • After minification 57.4 kB
  • After compression 56.4 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. This website has mostly compressed JavaScripts.

CSS Optimization

-0%

Potential reduce by 11 B

  • Original 26.9 kB
  • After minification 26.9 kB
  • After compression 26.9 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. Nkusa.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 9 (45%)

Requests Now

20

After Optimization

11

  • Images
  • JavaScript
  • CSS

The browser has sent 20 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Nkusa. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

nkusa.com

nkusa.com

9 ms

us.nihonkohden.com

us.nihonkohden.com

72 ms

bootstrap.min.css

bootstrap.min.css

3 ms

bootstrap-theme.min.css

bootstrap-theme.min.css

30 ms

font-awesome.min.css

font-awesome.min.css

28 ms

site.less

site.less

32 ms

jquery-2.1.3.min.js

jquery-2.1.3.min.js

29 ms

bootstrap.min.js

bootstrap.min.js

30 ms

site.js

site.js

30 ms

nihon-kohden-logo.svg

nihon-kohden-logo.svg

62 ms

dual-monitor-in-isolation.png

dual-monitor-in-isolation.png

62 ms

gtm.js

gtm.js

52 ms

insight.min.js

insight.min.js

28 ms

nomadair-home-banner.png

nomadair-home-banner.png

42 ms

clinical-solutions_lighter2.jpg

clinical-solutions_lighter2.jpg

8 ms

it-solutions-nihon-kohden.jpg

it-solutions-nihon-kohden.jpg

14 ms

business-solutions-nihon-kohden.jpg

business-solutions-nihon-kohden.jpg

17 ms

drtakuo-aoyagi-homepage1.png

drtakuo-aoyagi-homepage1.png

18 ms

nk-university.jpeg

nk-university.jpeg

26 ms

insight_tag_errors.gif

insight_tag_errors.gif

109 ms

nr-1216.min.js

nr-1216.min.js

83 ms

2E0D4D_0_0.woff

2E0D4D_0_0.woff

11 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

11 ms

2E0D4D_1_0.woff

2E0D4D_1_0.woff

9 ms

dbc0ee509a

dbc0ee509a

107 ms

Accessibility Review

nkusa.com accessibility score

56

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 input fields do not have accessible names

High

Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.

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

Links do not have a discernible name

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

nkusa.com best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

nkusa.com SEO score

84

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

    N/A

  • Encoding

    UTF-8

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

nkusa.com

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