Tools & Wizards About Us
datajapan.ne.jp screenshot

Report Summary

  • 53

    Performance

    Renders faster than
    70% of other websites

  • 88

    Accessibility

    Visual factors better than
    that of 68% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

datajapan.ne.jp

WindowsServerで実績のレンタルサーバWindows Server専用ホスティング│データ・ジャパン株式会社

Page Load Speed

5.9 sec in total

First Response

532 ms

Resources Loaded

4.9 sec

Page Rendered

448 ms

datajapan.ne.jp screenshot

About Website

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

WindowsServerを専門に20年以上の実績。安心・安定のレンタルサーバー会社です。ホームページを持ちたい！自分のメールアドレスが欲しい！サーバーとは？詳しい知識はあまりないけれど、このような事を実現したい！など。お一人お一人のお客様に対して丁寧に最適なサポートで、ご満足いただけるよう心掛けています。

Visit datajapan.ne.jp

Key Findings

We analyzed Datajapan.ne.jp page load time and found that the first response time was 532 ms and then it took 5.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

datajapan.ne.jp performance score

53

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.7 s

13/100

10%

LCP (Largest Contentful Paint)

Value6.0 s

13/100

25%

SI (Speed Index)

Value7.7 s

24/100

10%

TBT (Total Blocking Time)

Value270 ms

82/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value6.0 s

64/100

10%

Network Requests Diagram

datajapan.ne.jp

532 ms

www.datajapan.ne.jp

2146 ms

js

67 ms

style.min.css

342 ms

shortcodes.css

508 ms

Our browser made a total of 53 requests to load all elements on the main page. We found that 87% of them (46 requests) were addressed to the original Datajapan.ne.jp, 8% (4 requests) were made to Fonts.gstatic.com and 4% (2 requests) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (2.1 sec) belongs to the original domain Datajapan.ne.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 209.7 kB (16%)

Content Size

1.3 MB

After Optimization

1.1 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Datajapan.ne.jp main page is 1.3 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. 35% of websites need less resources to load. Images take 1.0 MB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 69.9 kB

  • Original 91.6 kB
  • After minification 89.3 kB
  • After compression 21.7 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 69.9 kB or 76% of the original size.

Image Optimization

-9%

Potential reduce by 97.9 kB

  • Original 1.0 MB
  • After minification 936.4 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. Datajapan images are well optimized though.

JavaScript Optimization

-24%

Potential reduce by 28.5 kB

  • Original 119.7 kB
  • After minification 119.6 kB
  • After compression 91.2 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 28.5 kB or 24% of the original size.

CSS Optimization

-33%

Potential reduce by 13.5 kB

  • Original 40.7 kB
  • After minification 40.5 kB
  • After compression 27.2 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. Datajapan.ne.jp needs all CSS files to be minified and compressed as it can save up to 13.5 kB or 33% of the original size.

Requests Breakdown

Number of requests can be reduced by 28 (60%)

Requests Now

47

After Optimization

19

  • Images
  • JavaScript
  • CSS

The browser has sent 47 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Datajapan. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 14 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

datajapan.ne.jp

datajapan.ne.jp

532 ms

www.datajapan.ne.jp

www.datajapan.ne.jp

2146 ms

js

js

67 ms

style.min.css

style.min.css

342 ms

shortcodes.css

shortcodes.css

508 ms

swipebox.min.css

swipebox.min.css

676 ms

pum-site-styles-1.css

pum-site-styles-1.css

679 ms

rpt_style.min.css

rpt_style.min.css

693 ms

style.css

style.css

708 ms

frontend-gtag.min.js

frontend-gtag.min.js

701 ms

jquery.min.js

jquery.min.js

885 ms

jquery-migrate.min.js

jquery-migrate.min.js

842 ms

jquery.swipebox.min.js

jquery.swipebox.min.js

847 ms

underscore.min.js

underscore.min.js

865 ms

infinite-scroll.pkgd.min.js

infinite-scroll.pkgd.min.js

874 ms

front.js

front.js

881 ms

rpt.min.js

rpt.min.js

1006 ms

jquery.cookie.min.js

jquery.cookie.min.js

1011 ms

rackhost.js

rackhost.js

1038 ms

css2

css2

33 ms

custom.css

custom.css

1044 ms

comment-reply.min.js

comment-reply.min.js

990 ms

core.min.js

core.min.js

990 ms

pum-site-scripts-1.js

pum-site-scripts-1.js

1023 ms

css

css

17 ms

dataweb013.png

dataweb013.png

606 ms

Virtualweb2Win2019-2.png

Virtualweb2Win2019-2.png

648 ms

sitejet_slider_c.png

sitejet_slider_c.png

655 ms

special_bar5.png

special_bar5.png

322 ms

dataweb_logo.png

dataweb_logo.png

330 ms

VW_logo.png

VW_logo.png

450 ms

Sitejetsamune02-1024x1024.png

Sitejetsamune02-1024x1024.png

1518 ms

swh_logo5b.png

swh_logo5b.png

507 ms

pagespeed_harf.png

pagespeed_harf.png

783 ms

domain_logo.png

domain_logo.png

682 ms

jpssl_007.png

jpssl_007.png

770 ms

truste003.png

truste003.png

817 ms

siteHeaderShadow.png

siteHeaderShadow.png

677 ms

whmcs_logo_white.png

whmcs_logo_white.png

705 ms

siteHeaderGradient.png

siteHeaderGradient.png

789 ms

siteHeaderMap.png

siteHeaderMap.png

801 ms

blueColorButton.png

blueColorButton.png

840 ms

colorButtonPointer.png

colorButtonPointer.png

846 ms

innerShadowBottom.png

innerShadowBottom.png

874 ms

contentWrapperOuterShadow.png

contentWrapperOuterShadow.png

954 ms

innerShadowTop.png

innerShadowTop.png

965 ms

iconSmallTop.png

iconSmallTop.png

1010 ms

siteFooterBarLogo.png

siteFooterBarLogo.png

1016 ms

-F6jfjtqLzI2JPCgQBnw7HFyzSD-AsregP8VFPYk75s.ttf

-F6jfjtqLzI2JPCgQBnw7HFyzSD-AsregP8VFPYk75s.ttf

82 ms

-F6jfjtqLzI2JPCgQBnw7HFyzSD-AsregP8VFBEj75s.ttf

-F6jfjtqLzI2JPCgQBnw7HFyzSD-AsregP8VFBEj75s.ttf

256 ms

-F6jfjtqLzI2JPCgQBnw7HFyzSD-AsregP8VFE8j75s.ttf

-F6jfjtqLzI2JPCgQBnw7HFyzSD-AsregP8VFE8j75s.ttf

290 ms

-F6jfjtqLzI2JPCgQBnw7HFyzSD-AsregP8VFBEi75s.ttf

-F6jfjtqLzI2JPCgQBnw7HFyzSD-AsregP8VFBEi75s.ttf

288 ms

slideSwitchGradient.png

slideSwitchGradient.png

894 ms

Accessibility Review

datajapan.ne.jp accessibility score

88

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

button, link, and menuitem elements 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.

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

Links do not have a discernible name

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Some elements have a [tabindex] value greater than 0

Best Practices

datajapan.ne.jp best practices score

83

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

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

datajapan.ne.jp SEO score

100

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

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 Datajapan.ne.jp 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 Datajapan.ne.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

datajapan.ne.jp

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