Access dowcorning.co.jp. ダウグループ|素材科学会社|製品を探す

www.dowcorning.co.jp

650 ms

PrimaryStyle.css

71 ms

SecondaryStyle_J.css

49 ms

LinkFunctions.js

46 ms

multitrack.js

45 ms

Our browser made a total of 32 requests to load all elements on the main page. We found that 84% of them (27 requests) were addressed to the original Dowcorning.co.jp, 6% (2 requests) were made to Google-analytics.com and 3% (1 request) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (650 ms) belongs to the original domain Dowcorning.co.jp.

Content Size

374.9 kB

After Optimization

144.8 kB

In fact, the total size of Dowcorning.co.jp main page is 374.9 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. 20% of websites need less resources to load. Javascripts take 195.6 kB which makes up the majority of the site volume.

HTML Optimization

-74%

Potential reduce by 63.9 kB

Original 85.8 kB
After minification 81.3 kB
After compression 21.9 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 63.9 kB or 74% of the original size.

Image Optimization

-21%

Potential reduce by 14.1 kB

Original 67.3 kB
After minification 53.2 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, Dowcorning needs image optimization as it can save up to 14.1 kB or 21% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-66%

Potential reduce by 129.6 kB

Original 195.6 kB
After minification 160.0 kB
After compression 66.0 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 129.6 kB or 66% of the original size.

CSS Optimization

-86%

Potential reduce by 22.5 kB

Original 26.2 kB
After minification 19.8 kB
After compression 3.7 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. Dowcorning.co.jp needs all CSS files to be minified and compressed as it can save up to 22.5 kB or 86% of the original size.

Requests Now

After Optimization

The browser has sent 30 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Dowcorning. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 to 1 for JavaScripts and as a result speed up the page load time.