Tools & Wizards About Us
norovirus.e840.net screenshot

Report Summary

  • 53

    Performance

    Renders faster than
    71% of other websites

  • 62

    Accessibility

    Visual factors better than
    that of 28% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 92

    SEO

    Google-friendlier than
    75% of websites

norovirus.e840.net

ノロウイルス（Norovirus） - ノロウイルス大辞典

Page Load Speed

11.3 sec in total

First Response

1.1 sec

Resources Loaded

9.8 sec

Page Rendered

473 ms

norovirus.e840.net screenshot

About Website

Click here to check amazing Norovirus E 840 content for Japan. Otherwise, check out these important facts you probably never knew about norovirus.e840.net

ノロウイルス（Norovirus）は、秋から冬にかけて感染が流行します。ノロウイルスに感染すると症状は、下痢、嘔吐などが数日から１０日程度続きます。原因は、接触によるものが多くトイレの後や食事の前にシッカリ手洗いをすることで予防できます。ノロウイルスの治療方法は確立されておらず自然に回復するまで待つしかありません。

Visit norovirus.e840.net

Key Findings

We analyzed Norovirus.e840.net page load time and found that the first response time was 1.1 sec and then it took 10.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

norovirus.e840.net performance score

53

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.9 s

26/100

10%

LCP (Largest Contentful Paint)

Value4.2 s

45/100

25%

SI (Speed Index)

Value9.0 s

15/100

10%

TBT (Total Blocking Time)

Value90 ms

99/100

30%

CLS (Cumulative Layout Shift)

Value0.438

21/100

15%

TTI (Time to Interactive)

Value7.5 s

48/100

10%

Network Requests Diagram

norovirus.e840.net

1104 ms

common.css

2003 ms

jquery.js

2902 ms

ranking.js

297 ms

analytics.js

11 ms

Our browser made a total of 52 requests to load all elements on the main page. We found that 37% of them (19 requests) were addressed to the original Norovirus.e840.net, 19% (10 requests) were made to Thumbnail.image.rakuten.co.jp and 12% (6 requests) were made to Rws.a8.net. The less responsive or slowest element that took the longest time to load (6.2 sec) belongs to the original domain Norovirus.e840.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 151.5 kB (21%)

Content Size

712.4 kB

After Optimization

560.9 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Norovirus.e840.net main page is 712.4 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. 30% of websites need less resources to load. Images take 505.0 kB which makes up the majority of the site volume.

HTML Optimization

-74%

Potential reduce by 25.1 kB

  • Original 34.0 kB
  • After minification 32.3 kB
  • After compression 9.0 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 25.1 kB or 74% of the original size.

Image Optimization

-2%

Potential reduce by 10.4 kB

  • Original 505.0 kB
  • After minification 494.6 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. Norovirus E 840 images are well optimized though.

JavaScript Optimization

-64%

Potential reduce by 93.9 kB

  • Original 147.7 kB
  • After minification 146.7 kB
  • After compression 53.9 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 93.9 kB or 64% of the original size.

CSS Optimization

-87%

Potential reduce by 22.2 kB

  • Original 25.6 kB
  • After minification 19.5 kB
  • After compression 3.4 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. Norovirus.e840.net needs all CSS files to be minified and compressed as it can save up to 22.2 kB or 87% of the original size.

Requests Breakdown

Number of requests can be reduced by 10 (21%)

Requests Now

48

After Optimization

38

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 48 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Norovirus E 840. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests and as a result speed up the page load time.

Network Requests Diagram

norovirus.e840.net

norovirus.e840.net

1104 ms

common.css

common.css

2003 ms

jquery.js

jquery.js

2902 ms

ranking.js

ranking.js

297 ms

analytics.js

analytics.js

11 ms

e840topimage1.jpg

e840topimage1.jpg

546 ms

bgt

bgt

750 ms

0.gif

0.gif

360 ms

bgt

bgt

495 ms

0.gif

0.gif

495 ms

yjapan_logo_110_29.gif

yjapan_logo_110_29.gif

591 ms

006c75a92ba244c6b4cbe2709aa17d7b.gif

006c75a92ba244c6b4cbe2709aa17d7b.gif

563 ms

bgt

bgt

672 ms

0.gif

0.gif

361 ms

bgt

bgt

1060 ms

0.gif

0.gif

494 ms

bg_pagetop.gif

bg_pagetop.gif

5503 ms

bg_list.gif

bg_list.gif

5544 ms

e840footerimage1.jpg

e840footerimage1.jpg

5717 ms

btn_search_blue.gif

btn_search_blue.gif

615 ms

e840footerimg001.jpg

e840footerimg001.jpg

6242 ms

e840footerimg002.jpg

e840footerimg002.jpg

6118 ms

e840footerimg003.jpg

e840footerimg003.jpg

1264 ms

e840footerimg004.jpg

e840footerimg004.jpg

1628 ms

e840footerimg07.jpg

e840footerimg07.jpg

1992 ms

e840footerimg08.jpg

e840footerimg08.jpg

2175 ms

e840footerimg01.jpg

e840footerimg01.jpg

2539 ms

e840footerimg02.jpg

e840footerimg02.jpg

2722 ms

e840footerimg03.jpg

e840footerimg03.jpg

2905 ms

e840footerimg04.jpg

e840footerimg04.jpg

3086 ms

e840footerimg05.jpg

e840footerimg05.jpg

3269 ms

e840footerimg06.jpg

e840footerimg06.jpg

3452 ms

ranking.cgi

ranking.cgi

153 ms

collect

collect

11 ms

ranking.cgi

ranking.cgi

284 ms

ranking.cgi

ranking.cgi

294 ms

collect

collect

58 ms

rakuten.css

rakuten.css

331 ms

a2_a_gel_im.jpg

a2_a_gel_im.jpg

9 ms

0.gif

0.gif

529 ms

imgrc0065377154.jpg

imgrc0065377154.jpg

8 ms

p-4ten_3480.jpg

p-4ten_3480.jpg

6 ms

a2_a_300_im.jpg

a2_a_300_im.jpg

6 ms

imgrc0065726758.jpg

imgrc0065726758.jpg

5 ms

imgrc0065729380.jpg

imgrc0065729380.jpg

5 ms

viking_main250.jpg

viking_main250.jpg

4 ms

imgrc0065298642.jpg

imgrc0065298642.jpg

5 ms

0.gif

0.gif

353 ms

imgrc0085958117.jpg

imgrc0085958117.jpg

4 ms

0.gif

0.gif

383 ms

na3180.gif

na3180.gif

4 ms

border300_x.gif

border300_x.gif

148 ms

Accessibility Review

norovirus.e840.net accessibility score

62

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.

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

<frame> or <iframe> elements do not have a title

High

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

High

Links do not have a discernible name

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Best Practices

norovirus.e840.net 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

norovirus.e840.net SEO score

92

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

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

    JA

  • Language Claimed

    JA

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Norovirus.e840.net 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 Norovirus.e840.net 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

norovirus.e840.net

Open Graph description is not detected on the main page of Norovirus E 840. 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: