Tools & Wizards About Us
dourakukai.com screenshot

Report Summary

  • 1

    Performance

    Renders faster than
    19% of other websites

  • 74

    Accessibility

    Visual factors better than
    that of 40% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 91

    SEO

    Google-friendlier than
    70% of websites

dourakukai.com

電設工具のメーカー。（株）マーベルの会員サイト｜道楽会.com

Page Load Speed

12.6 sec in total

First Response

560 ms

Resources Loaded

11.3 sec

Page Rendered

699 ms

dourakukai.com screenshot

About Website

Click here to check amazing Dourakukai content for Japan. Otherwise, check out these important facts you probably never knew about dourakukai.com

道楽会.comへようこそ。ここではマーベルの製品はもちろんの事、皆様のお役に立つ様々な情報をご提供させて頂いております。皆様からのご意見、ご感想をお待ちしております。ぜひご覧下さい。

Visit dourakukai.com

Key Findings

We analyzed Dourakukai.com page load time and found that the first response time was 560 ms and then it took 12 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

dourakukai.com performance score

1

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.2 s

8/100

10%

LCP (Largest Contentful Paint)

Value30.1 s

0/100

25%

SI (Speed Index)

Value24.1 s

0/100

10%

TBT (Total Blocking Time)

Value11,800 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value1.108

1/100

15%

TTI (Time to Interactive)

Value38.9 s

0/100

10%

Network Requests Diagram

dourakukai.com

560 ms

www.dourakukai.com

1429 ms

slick.css

396 ms

slick-theme.css

567 ms

colorbox.css

561 ms

Our browser made a total of 237 requests to load all elements on the main page. We found that 72% of them (170 requests) were addressed to the original Dourakukai.com, 7% (16 requests) were made to Youtube.com and 5% (11 requests) were made to Static.xx.fbcdn.net. The less responsive or slowest element that took the longest time to load (3.1 sec) belongs to the original domain Dourakukai.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 699.9 kB (9%)

Content Size

7.6 MB

After Optimization

6.9 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Dourakukai.com main page is 7.6 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. Only a small number of websites need less resources to load. Images take 6.6 MB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 81.9 kB

  • Original 100.7 kB
  • After minification 98.1 kB
  • After compression 18.8 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 81.9 kB or 81% of the original size.

Image Optimization

-4%

Potential reduce by 239.3 kB

  • Original 6.6 MB
  • After minification 6.4 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. Dourakukai images are well optimized though.

JavaScript Optimization

-36%

Potential reduce by 228.0 kB

  • Original 640.0 kB
  • After minification 611.8 kB
  • After compression 411.9 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 228.0 kB or 36% of the original size.

CSS Optimization

-65%

Potential reduce by 150.6 kB

  • Original 231.9 kB
  • After minification 203.1 kB
  • After compression 81.3 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. Dourakukai.com needs all CSS files to be minified and compressed as it can save up to 150.6 kB or 65% of the original size.

Requests Breakdown

Number of requests can be reduced by 70 (31%)

Requests Now

224

After Optimization

154

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 224 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Dourakukai. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 38 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

dourakukai.com

dourakukai.com

560 ms

www.dourakukai.com

www.dourakukai.com

1429 ms

slick.css

slick.css

396 ms

slick-theme.css

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567 ms

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561 ms

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975 ms

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604 ms

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1022 ms

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621 ms

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805 ms

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1013 ms

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Accessibility Review

dourakukai.com accessibility score

74

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

ARIA toggle fields do not have accessible names

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.

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

<dl>'s do not contain only properly-ordered <dt> and <dd> groups, <script>, <template> or <div> elements.

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

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

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

dourakukai.com 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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

dourakukai.com SEO score

91

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 Dourakukai.com 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 Dourakukai.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

dourakukai.com

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