Report Summary

  • 65

    Performance

    Renders faster than
    79% of other websites

  • 58

    Accessibility

    Visual factors better than
    that of 25% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 69

    SEO

    Google-friendlier than
    28% of websites

do-reg.jp

『Doレジ』 ドメイン名の取得から高度な活用まで 安心と信頼のレジストラ

Page Load Speed

5.5 sec in total

First Response

534 ms

Resources Loaded

4.8 sec

Page Rendered

102 ms

About Website

Visit do-reg.jp now to see the best up-to-date Do Reg content for Japan and also check out these interesting facts you probably never knew about do-reg.jp

IDCフロンティアが提供する『Doレジ』は、ドメイン取得から高度な活用までサポートするICANN認定レジストラ/JPRS指定事業者です。無料DNSサービス、転送サービスなどをご用意。お客様のドメイン活用を包括的にサポートしていきます。

Visit do-reg.jp

Key Findings

We analyzed Do-reg.jp page load time and found that the first response time was 534 ms and then it took 4.9 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

do-reg.jp performance score

65

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.4 s

16/100

10%

LCP (Largest Contentful Paint)

Value4.9 s

29/100

25%

SI (Speed Index)

Value7.0 s

33/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value4.4 s

83/100

10%

Network Requests Diagram

do-reg.jp

534 ms

do-reg.jp

710 ms

www.do-reg.jp

934 ms

base.css

213 ms

common.js

424 ms

Our browser made a total of 58 requests to load all elements on the main page. We found that 95% of them (55 requests) were addressed to the original Do-reg.jp, 3% (2 requests) were made to Ssl.google-analytics.com and 2% (1 request) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.5 sec) belongs to the original domain Do-reg.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 38.0 kB (30%)

Content Size

126.4 kB

After Optimization

88.4 kB

In fact, the total size of Do-reg.jp main page is 126.4 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. 15% of websites need less resources to load. Javascripts take 45.3 kB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 31.8 kB

  • Original 37.9 kB
  • After minification 32.6 kB
  • After compression 6.0 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. This page needs HTML code to be minified as it can gain 5.2 kB, which is 14% 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 31.8 kB or 84% of the original size.

Image Optimization

-5%

Potential reduce by 1.9 kB

  • Original 40.7 kB
  • After minification 38.8 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. Do Reg images are well optimized though.

JavaScript Optimization

-8%

Potential reduce by 3.4 kB

  • Original 45.3 kB
  • After minification 45.1 kB
  • After compression 41.8 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. This website has mostly compressed JavaScripts.

CSS Optimization

-32%

Potential reduce by 819 B

  • Original 2.6 kB
  • After minification 2.6 kB
  • After compression 1.8 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. Do-reg.jp needs all CSS files to be minified and compressed as it can save up to 819 B or 32% of the original size.

Requests Breakdown

Number of requests can be reduced by 37 (67%)

Requests Now

55

After Optimization

18

The browser has sent 55 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Do Reg. 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 JavaScripts and as a result speed up the page load time.

Accessibility Review

do-reg.jp accessibility score

58

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

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

Best Practices

do-reg.jp best practices score

58

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

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

High

Browser errors were logged to the console

SEO Factors

do-reg.jp SEO score

69

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

Language and Encoding

  • Language Detected

    JA

  • Language Claimed

    N/A

  • Encoding

    EUC-JP

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Do-reg.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 Do-reg.jp main page’s claimed encoding is euc-jp. 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 description is not detected on the main page of Do Reg. 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: