Access arc-eco.co.jp. 【北海道】株式会社アーク｜北海道を代表する再生可能エネルギーのリーディングカンパニーとなり、脱炭素社会実現へ貢献する企業になる

name

value

score

weighting

FCP (First Contentful Paint)

Value4.6 s

14/100

10%

LCP (Largest Contentful Paint)

Value4.7 s

33/100

25%

SI (Speed Index)

Value13.6 s

2/100

10%

TBT (Total Blocking Time)

Value12,090 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value20.9 s

2/100

10%

arc-eco.co.jp

2036 ms

gtm.js

62 ms

css2

36 ms

styles.css

399 ms

common.css

787 ms

Our browser made a total of 87 requests to load all elements on the main page. We found that 48% of them (42 requests) were addressed to the original Arc-eco.co.jp, 18% (16 requests) were made to Youtube.com and 14% (12 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (5.5 sec) belongs to the original domain Arc-eco.co.jp.

Content Size

923.0 kB

After Optimization

765.6 kB

In fact, the total size of Arc-eco.co.jp main page is 923.0 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 a small number of websites need less resources to load. Images take 440.4 kB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 57.7 kB

Original 74.2 kB
After minification 59.9 kB
After compression 16.6 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 14.3 kB, which is 19% 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 57.7 kB or 78% of the original size.

Image Optimization

-2%

Potential reduce by 9.3 kB

Original 440.4 kB
After minification 431.1 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. Arc Eco images are well optimized though.

JavaScript Optimization

-23%

Potential reduce by 67.6 kB

Original 289.8 kB
After minification 289.8 kB
After compression 222.2 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 67.6 kB or 23% of the original size.

CSS Optimization

-19%

Potential reduce by 22.8 kB

Original 118.5 kB
After minification 118.5 kB
After compression 95.7 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. Arc-eco.co.jp needs all CSS files to be minified and compressed as it can save up to 22.8 kB or 19% of the original size.

Requests Now

After Optimization

The browser has sent 71 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Arc Eco. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.