Tools & Wizards About Us
dnh.co.jp screenshot

Report Summary

  • 95

    Performance

    Renders faster than
    93% of other websites

  • 94

    Accessibility

    Visual factors better than
    that of 84% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 75

    SEO

    Google-friendlier than
    32% of websites

dnh.co.jp

株式会社ドトール・日レスホールディングス

Page Load Speed

5 sec in total

First Response

899 ms

Resources Loaded

4 sec

Page Rendered

106 ms

dnh.co.jp screenshot

About Website

Visit dnh.co.jp now to see the best up-to-date Dnh content for Japan and also check out these interesting facts you probably never knew about dnh.co.jp

株式会社ドトール・日レスホールディングスは外食業界におけるエクセレントリーディングカンパニーとして国内No.1の地位を目指します。

Visit dnh.co.jp

Key Findings

We analyzed Dnh.co.jp page load time and found that the first response time was 899 ms and then it took 4.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

dnh.co.jp performance score

95

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.8 s

89/100

10%

LCP (Largest Contentful Paint)

Value2.5 s

90/100

25%

SI (Speed Index)

Value3.7 s

85/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value1.8 s

100/100

10%

Network Requests Diagram

dnh.co.jp

899 ms

style.css

646 ms

font.css

331 ms

fontsmall.css

338 ms

fontlarge.css

338 ms

Our browser made a total of 37 requests to load all elements on the main page. We found that 97% of them (36 requests) were addressed to the original Dnh.co.jp, 3% (1 request) were made to Adobe.com. The less responsive or slowest element that took the longest time to load (1.7 sec) belongs to the original domain Dnh.co.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 49.1 kB (48%)

Content Size

102.3 kB

After Optimization

53.2 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Dnh.co.jp main page is 102.3 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. Only 5% of websites need less resources to load. Images take 39.4 kB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 8.8 kB

  • Original 11.7 kB
  • After minification 9.9 kB
  • After compression 2.9 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 1.9 kB, which is 16% 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 8.8 kB or 75% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 39.4 kB
  • After minification 39.4 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. Dnh images are well optimized though.

JavaScript Optimization

-79%

Potential reduce by 18.2 kB

  • Original 23.1 kB
  • After minification 18.1 kB
  • After compression 4.9 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 18.2 kB or 79% of the original size.

CSS Optimization

-79%

Potential reduce by 22.1 kB

  • Original 28.1 kB
  • After minification 22.9 kB
  • After compression 6.0 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. Dnh.co.jp needs all CSS files to be minified and compressed as it can save up to 22.1 kB or 79% of the original size.

Requests Breakdown

Number of requests can be reduced by 16 (44%)

Requests Now

36

After Optimization

20

  • Images
  • JavaScript
  • CSS

The browser has sent 36 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Dnh. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

dnh.co.jp

dnh.co.jp

899 ms

style.css

style.css

646 ms

font.css

font.css

331 ms

fontsmall.css

fontsmall.css

338 ms

fontlarge.css

fontlarge.css

338 ms

scroll.css

scroll.css

498 ms

styleswitcher.js

styleswitcher.js

662 ms

rollover.js

rollover.js

661 ms

scroll.js

scroll.js

1010 ms

get_flash_player.gif

get_flash_player.gif

30 ms

bg01.gif

bg01.gif

167 ms

bg02.gif

bg02.gif

354 ms

logo.gif

logo.gif

481 ms

bt_home_over.gif

bt_home_over.gif

337 ms

bg_fontswichi.gif

bg_fontswichi.gif

344 ms

bt_small.gif

bt_small.gif

351 ms

bt_medium_over.gif

bt_medium_over.gif

504 ms

bg_learge.gif

bg_learge.gif

673 ms

bt_navi.jpg

bt_navi.jpg

1345 ms

tit_osirase.gif

tit_osirase.gif

686 ms

bt_tolist.gif

bt_tolist.gif

708 ms

buret_news.gif

buret_news.gif

812 ms

bg_bn_top.gif

bg_bn_top.gif

839 ms

bn_doutor.gif

bn_doutor.gif

1004 ms

bn_nrs.gif

bn_nrs.gif

1030 ms

bn_dnconf.gif

bn_dnconf.gif

1037 ms

bn_dncafe.gif

bn_dncafe.gif

1291 ms

bn_sunmerrys.gif

bn_sunmerrys.gif

1343 ms

bt_other.gif

bt_other.gif

1357 ms

bg_bn_btm.gif

bg_bn_btm.gif

1366 ms

copyright.gif

copyright.gif

1466 ms

bg_scroll.gif

bg_scroll.gif

1591 ms

scrollbar.gif

scrollbar.gif

1670 ms

bg_bn.gif

bg_bn.gif

1683 ms

print.css

print.css

346 ms

bt_other_over.gif

bt_other_over.gif

163 ms

bt_tolist_over.gif

bt_tolist_over.gif

336 ms

Accessibility Review

dnh.co.jp accessibility score

94

Accessibility Issues

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

Best Practices

dnh.co.jp best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

SEO Factors

dnh.co.jp SEO score

75

Search Engine Optimization Advices

Language and Encoding

  • Language Detected

    JA

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Dnh.co.jp can be misinterpreted by Google and other search engines. Our service has detected that Japanese 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 Dnh.co.jp 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

dnh.co.jp

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