Access rakucheck.jp. 新・食品表示チェッカー

name

value

score

weighting

FCP (First Contentful Paint)

Value6.5 s

2/100

10%

LCP (Largest Contentful Paint)

Value13.5 s

0/100

25%

SI (Speed Index)

Value9.4 s

12/100

10%

TBT (Total Blocking Time)

Value430 ms

64/100

30%

CLS (Cumulative Layout Shift)

Value0.193

64/100

15%

TTI (Time to Interactive)

Value9.1 s

33/100

10%

rakucheck.jp

542 ms

rakucheck.jp

683 ms

hyouji

169 ms

hyouji

167 ms

338 ms

Our browser made a total of 36 requests to load all elements on the main page. We found that 94% of them (34 requests) were addressed to the original Rakucheck.jp, 6% (2 requests) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (1 sec) belongs to the original domain Rakucheck.jp.

Content Size

1.0 MB

After Optimization

829.5 kB

In fact, the total size of Rakucheck.jp main page is 1.0 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. 25% of websites need less resources to load. Images take 843.1 kB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 18.1 kB

Original 23.8 kB
After minification 19.7 kB
After compression 5.7 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. This page needs HTML code to be minified as it can gain 4.1 kB, which is 17% 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 18.1 kB or 76% of the original size.

Image Optimization

-7%

Potential reduce by 61.6 kB

Original 843.1 kB
After minification 781.6 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. Rakucheck images are well optimized though.

JavaScript Optimization

-65%

Potential reduce by 69.1 kB

Original 105.7 kB
After minification 103.8 kB
After compression 36.6 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 69.1 kB or 65% of the original size.

CSS Optimization

-84%

Potential reduce by 29.6 kB

Original 35.3 kB
After minification 25.7 kB
After compression 5.6 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. Rakucheck.jp needs all CSS files to be minified and compressed as it can save up to 29.6 kB or 84% of the original size.

Requests Now

After Optimization

The browser has sent 31 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Rakucheck. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and as a result speed up the page load time.