Report Summary

  • 16

    Performance

    Renders faster than
    30% of other websites

  • 76

    Accessibility

    Visual factors better than
    that of 43% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    81% of websites

  • 77

    SEO

    Google-friendlier than
    36% of websites

jnj.co.jp

ジョンソン・エンド・ジョンソングループサイト

Page Load Speed

5.6 sec in total

First Response

498 ms

Resources Loaded

4.5 sec

Page Rendered

568 ms

jnj.co.jp screenshot

About Website

Click here to check amazing Jnj content for Japan. Otherwise, check out these important facts you probably never knew about jnj.co.jp

ジョンソン・エンド・ジョンソングループの総合トップページ。世界の人々の健康と幸せのためにジョンソン・エンド・ジョンソンは、家庭用から医療用まで幅広く、高品質なヘルスケア製品とサービスの提供を通じて、皆様の健康をサポートしています。

Visit jnj.co.jp

Key Findings

We analyzed Jnj.co.jp page load time and found that the first response time was 498 ms and then it took 5.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

jnj.co.jp performance score

16

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.5 s

15/100

10%

LCP (Largest Contentful Paint)

Value33.1 s

0/100

25%

SI (Speed Index)

Value21.3 s

0/100

10%

TBT (Total Blocking Time)

Value12,810 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.078

95/100

15%

TTI (Time to Interactive)

Value47.9 s

0/100

10%

Network Requests Diagram

jnj.co.jp

498 ms

shared.css

223 ms

new2013_index.css

439 ms

dropdown.css

443 ms

index.css

442 ms

Our browser made a total of 68 requests to load all elements on the main page. We found that 78% of them (53 requests) were addressed to the original Jnj.co.jp, 12% (8 requests) were made to Google.com and 4% (3 requests) were made to Cse.google.com. The less responsive or slowest element that took the longest time to load (2 sec) belongs to the original domain Jnj.co.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 127.3 kB (56%)

Content Size

227.9 kB

After Optimization

100.5 kB

In fact, the total size of Jnj.co.jp main page is 227.9 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. 50% of websites need less resources to load. Javascripts take 104.3 kB which makes up the majority of the site volume.

HTML Optimization

-74%

Potential reduce by 17.7 kB

  • Original 23.9 kB
  • After minification 23.4 kB
  • After compression 6.2 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 17.7 kB or 74% of the original size.

Image Optimization

-34%

Potential reduce by 3.8 kB

  • Original 11.0 kB
  • After minification 7.3 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, Jnj needs image optimization as it can save up to 3.8 kB or 34% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-31%

Potential reduce by 32.1 kB

  • Original 104.3 kB
  • After minification 104.3 kB
  • After compression 72.2 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 32.1 kB or 31% of the original size.

CSS Optimization

-83%

Potential reduce by 73.8 kB

  • Original 88.7 kB
  • After minification 66.2 kB
  • After compression 14.9 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. Jnj.co.jp needs all CSS files to be minified and compressed as it can save up to 73.8 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 33 (52%)

Requests Now

64

After Optimization

31

The browser has sent 64 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Jnj. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 17 to 1 for JavaScripts and from 18 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

jnj.co.jp accessibility score

76

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

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.

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

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

jnj.co.jp 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

jnj.co.jp 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

High

Image elements do not have [alt] attributes

Crawling and Indexing

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

Impact

Issue

High

Links are not crawlable

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

    JA

  • Language Claimed

    JA

  • Encoding

    SHIFT_JIS

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Jnj.co.jp can be misinterpreted by Google and other search engines. Our service has detected that Japanese is used on the page, and it matches the claimed language. Our system also found out that Jnj.co.jp main page’s claimed encoding is shift_jis. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

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