Access 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

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%

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.

Content Size

1.3 MB

After Optimization

1.1 MB

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 Now

After Optimization

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.