Report Summary

  • 20

    Performance

    Renders faster than
    40% of other websites

  • 61

    Accessibility

    Visual factors better than
    that of 37% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    34% of websites

  • 84

    SEO

    Google-friendlier than
    60% of websites

dhbr.net

DIAMOND ハーバード・ビジネス・レビュー

Page Load Speed

11.5 sec in total

First Response

3.2 sec

Resources Loaded

8 sec

Page Rendered

300 ms

dhbr.net screenshot

About Website

Visit dhbr.net now to see the best up-to-date Dhbr content for Japan and also check out these interesting facts you probably never knew about dhbr.net

世界50カ国以上のビジネスエリートが愛読するグローバル・マネジメント誌。最新号やバックナンバーのほか、オンライン限定の記事・論文を多数配信しています。

Visit dhbr.net

Key Findings

We analyzed Dhbr.net page load time and found that the first response time was 3.2 sec and then it took 8.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.

Performance Metrics

dhbr.net performance score

20

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.8 s

27/100

10%

LCP (Largest Contentful Paint)

Value13.6 s

0/100

25%

SI (Speed Index)

Value10.0 s

9/100

10%

TBT (Total Blocking Time)

Value3,780 ms

1/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value15.3 s

7/100

10%

Network Requests Diagram

www.dhbr.net

3231 ms

base.css

511 ms

top.css

344 ms

jquery-ui-1.8.16.custom.css

512 ms

jquery.fancybox-1.3.4.css

345 ms

Our browser made a total of 91 requests to load all elements on the main page. We found that 56% of them (51 requests) were addressed to the original Dhbr.net, 5% (5 requests) were made to Google-analytics.com and 4% (4 requests) were made to Web-jp.ad-v.jp. The less responsive or slowest element that took the longest time to load (3.2 sec) belongs to the original domain Dhbr.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 660.9 kB (42%)

Content Size

1.6 MB

After Optimization

908.7 kB

In fact, the total size of Dhbr.net main page is 1.6 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. 65% of websites need less resources to load. Images take 717.3 kB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 69.5 kB

  • Original 93.1 kB
  • After minification 89.3 kB
  • After compression 23.6 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 69.5 kB or 75% of the original size.

Image Optimization

-7%

Potential reduce by 47.6 kB

  • Original 717.3 kB
  • After minification 669.7 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. Dhbr images are well optimized though.

JavaScript Optimization

-63%

Potential reduce by 274.2 kB

  • Original 436.1 kB
  • After minification 403.5 kB
  • After compression 161.9 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 274.2 kB or 63% of the original size.

CSS Optimization

-83%

Potential reduce by 269.6 kB

  • Original 323.2 kB
  • After minification 305.0 kB
  • After compression 53.5 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. Dhbr.net needs all CSS files to be minified and compressed as it can save up to 269.6 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 39 (45%)

Requests Now

87

After Optimization

48

The browser has sent 87 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Dhbr. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 30 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

dhbr.net accessibility score

61

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

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

dhbr.net best practices score

67

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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

dhbr.net SEO score

84

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

Links are not crawlable

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 Dhbr.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 Dhbr.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

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