Access cotton-labo.co.jp. コットン・ラボ株式会社

name

value

score

weighting

FCP (First Contentful Paint)

Value5.6 s

5/100

10%

LCP (Largest Contentful Paint)

Value14.4 s

0/100

25%

SI (Speed Index)

Value12.0 s

4/100

10%

TBT (Total Blocking Time)

Value500 ms

58/100

30%

CLS (Cumulative Layout Shift)

Value0.096

91/100

15%

TTI (Time to Interactive)

Value15.8 s

6/100

10%

cotton-labo.co.jp

580 ms

www.cotton-labo.co.jp

925 ms

gtm.js

99 ms

common.css

178 ms

home.css

354 ms

Our browser made a total of 90 requests to load all elements on the main page. We found that 91% of them (82 requests) were addressed to the original Cotton-labo.co.jp, 3% (3 requests) were made to Fonts.googleapis.com and 3% (3 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (2.4 sec) belongs to the original domain Cotton-labo.co.jp.

Content Size

8.4 MB

After Optimization

8.3 MB

In fact, the total size of Cotton-labo.co.jp main page is 8.4 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. 55% of websites need less resources to load. Images take 8.3 MB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 33.5 kB

Original 41.5 kB
After minification 41.3 kB
After compression 8.0 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. 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 33.5 kB or 81% of the original size.

Image Optimization

-0%

Potential reduce by 565 B

Original 8.3 MB
After minification 8.3 MB

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. Cotton Labo images are well optimized though.

JavaScript Optimization

-43%

Potential reduce by 9.0 kB

Original 20.8 kB
After minification 20.8 kB
After compression 11.8 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 9.0 kB or 43% of the original size.

CSS Optimization

-45%

Potential reduce by 7.0 kB

Original 15.4 kB
After minification 15.4 kB
After compression 8.4 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. Cotton-labo.co.jp needs all CSS files to be minified and compressed as it can save up to 7.0 kB or 45% of the original size.

Requests Now

After Optimization

The browser has sent 86 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Cotton Labo. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.