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name

value

score

weighting

FCP (First Contentful Paint)

Value2.7 s

59/100

10%

LCP (Largest Contentful Paint)

Value3.2 s

72/100

25%

SI (Speed Index)

Value5.6 s

54/100

10%

TBT (Total Blocking Time)

Value530 ms

55/100

30%

CLS (Cumulative Layout Shift)

Value0.077

95/100

15%

TTI (Time to Interactive)

Value8.4 s

39/100

10%

cwsnet.co.jp

726 ms

gtm.js

59 ms

cssua.min.js

190 ms

style.min.css

507 ms

style.css

340 ms

Our browser made a total of 37 requests to load all elements on the main page. We found that 62% of them (23 requests) were addressed to the original Cwsnet.co.jp, 11% (4 requests) were made to Platform.twitter.com and 5% (2 requests) were made to Connect.facebook.net. The less responsive or slowest element that took the longest time to load (742 ms) belongs to the original domain Cwsnet.co.jp.

Content Size

336.7 kB

After Optimization

283.0 kB

In fact, the total size of Cwsnet.co.jp main page is 336.7 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. 35% of websites need less resources to load. Images take 206.6 kB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 43.0 kB

Original 54.7 kB
After minification 54.1 kB
After compression 11.6 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. 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 43.0 kB or 79% of the original size.

Image Optimization

-2%

Potential reduce by 4.5 kB

Original 206.6 kB
After minification 202.1 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. Cwsnet images are well optimized though.

JavaScript Optimization

-5%

Potential reduce by 2.0 kB

Original 39.5 kB
After minification 39.5 kB
After compression 37.6 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. This website has mostly compressed JavaScripts.

CSS Optimization

-12%

Potential reduce by 4.2 kB

Original 35.9 kB
After minification 35.9 kB
After compression 31.7 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. Cwsnet.co.jp needs all CSS files to be minified and compressed as it can save up to 4.2 kB or 12% of the original size.

Requests Now

After Optimization

The browser has sent 36 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Cwsnet. 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 from 9 to 1 for CSS and as a result speed up the page load time.