Tools & Wizards About Us
jprs.jp screenshot

Report Summary

  • 65

    Performance

    Renders faster than
    79% of other websites

  • 79

    Accessibility

    Visual factors better than
    that of 48% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 98

    SEO

    Google-friendlier than
    92% of websites

jprs.jp

JPドメイン名のサービス案内 | JPRS

Page Load Speed

25.1 sec in total

First Response

1.3 sec

Resources Loaded

23.5 sec

Page Rendered

257 ms

jprs.jp screenshot

About Website

Welcome to jprs.jp homepage info - get ready to check JPRS best content for Japan right away, or after learning these important things about jprs.jp

JPドメイン名の登録管理業務とDNSの運用を行っている株式会社日本レジストリサービス(JPRS)による、JPドメイン名サービス総合案内サイトです。

Visit jprs.jp

Key Findings

We analyzed Jprs.jp page load time and found that the first response time was 1.3 sec and then it took 23.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster. Unfortunately, there was 1 request timeout, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

jprs.jp performance score

65

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.3 s

41/100

10%

LCP (Largest Contentful Paint)

Value5.0 s

27/100

25%

SI (Speed Index)

Value6.3 s

42/100

10%

TBT (Total Blocking Time)

Value130 ms

96/100

30%

CLS (Cumulative Layout Shift)

Value0.037

100/100

15%

TTI (Time to Interactive)

Value6.1 s

64/100

10%

Network Requests Diagram

jprs.jp

1331 ms

normalize.css

537 ms

layout.css

1048 ms

component.css

1069 ms

jquery-1.7.2.min.js

1579 ms

Our browser made a total of 33 requests to load all elements on the main page. We found that all of those requests were addressed to Jprs.jp and no external sources were called. The less responsive or slowest element that took the longest time to load (20.2 sec) belongs to the original domain Jprs.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 465.1 kB (58%)

Content Size

803.7 kB

After Optimization

338.6 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Jprs.jp main page is 803.7 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 10% of websites need less resources to load. Images take 358.9 kB which makes up the majority of the site volume.

HTML Optimization

-48%

Potential reduce by 415 B

  • Original 863 B
  • After minification 858 B
  • After compression 448 B

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 415 B or 48% of the original size.

Image Optimization

-40%

Potential reduce by 142.0 kB

  • Original 358.9 kB
  • After minification 216.9 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. Obviously, JPRS needs image optimization as it can save up to 142.0 kB or 40% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-65%

Potential reduce by 174.5 kB

  • Original 269.7 kB
  • After minification 265.8 kB
  • After compression 95.2 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 174.5 kB or 65% of the original size.

CSS Optimization

-85%

Potential reduce by 148.2 kB

  • Original 174.3 kB
  • After minification 165.8 kB
  • After compression 26.0 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. Jprs.jp needs all CSS files to be minified and compressed as it can save up to 148.2 kB or 85% of the original size.

Requests Breakdown

Number of requests can be reduced by 18 (58%)

Requests Now

31

After Optimization

13

  • Images
  • JavaScript
  • CSS

The browser has sent 31 CSS, Javascripts, AJAX and image requests in order to completely render the main page of JPRS. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

jprs.jp

jprs.jp

1331 ms

normalize.css

normalize.css

537 ms

layout.css

layout.css

1048 ms

component.css

component.css

1069 ms

jquery-1.7.2.min.js

jquery-1.7.2.min.js

1579 ms

motion-0.0.6-min.js

motion-0.0.6-min.js

927 ms

jquery.motion-0.0.6-min.js

jquery.motion-0.0.6-min.js

562 ms

common.js

common.js

734 ms

page.css

page.css

746 ms

index.js

index.js

887 ms

img.gif

img.gif

182 ms

icon.png

icon.png

186 ms

bg_header_rep.gif

bg_header_rep.gif

209 ms

bg_header.png

bg_header.png

689 ms

heaer_logo.png

heaer_logo.png

180 ms

heaer_logo_txt.png

heaer_logo_txt.png

208 ms

gnavi_sdw_top.png

gnavi_sdw_top.png

420 ms

gnavi_bg.gif

gnavi_bg.gif

420 ms

gnavi_line.png

gnavi_line.png

421 ms

gnavi_mn_hov.jpg

gnavi_mn_hov.jpg

423 ms

gnavi_sdw_btm.png

gnavi_sdw_btm.png

419 ms

btn_backnum.gif

btn_backnum.gif

684 ms

bg_tab.png

bg_tab.png

871 ms

ico_arw_r.gif

ico_arw_r.gif

675 ms

bnr_side_anime.gif

bnr_side_anime.gif

20213 ms

btn_dom_about.gif

btn_dom_about.gif

689 ms

bnr_maruwakari.gif

bnr_maruwakari.gif

851 ms

bnr_ekimachi.gif

bnr_ekimachi.gif

872 ms

bnr_nippon-kigyo.gif

bnr_nippon-kigyo.gif

877 ms

btn_dom_search.gif

btn_dom_search.gif

879 ms

btn_pagetopf.gif

btn_pagetopf.gif

1073 ms

bg_footer.gif

bg_footer.gif

1086 ms

logo_ft.gif

logo_ft.gif

1086 ms

Accessibility Review

jprs.jp accessibility score

79

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

<input type="image"> elements do not have [alt] text

High

Form elements do not have associated labels

High

Links do not have a discernible name

Best Practices

jprs.jp 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

SEO Factors

jprs.jp SEO score

98

Search Engine Optimization Advices

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

    N/A

  • Encoding

    EUC-JP

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

jprs.jp

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