Access kirihara.co.jp. 桐原書店

name

value

score

weighting

FCP (First Contentful Paint)

Value7.6 s

0/100

10%

LCP (Largest Contentful Paint)

Value46.4 s

0/100

25%

SI (Speed Index)

Value10.8 s

6/100

10%

TBT (Total Blocking Time)

Value90 ms

99/100

30%

CLS (Cumulative Layout Shift)

Value0.209

59/100

15%

TTI (Time to Interactive)

Value29.0 s

0/100

10%

www.kirihara.co.jp

1319 ms

parts.css

829 ms

customize.css

667 ms

jsapi

19 ms

default.v2.js

502 ms

Our browser made a total of 65 requests to load all elements on the main page. We found that 95% of them (62 requests) were addressed to the original Kirihara.co.jp, 2% (1 request) were made to Google.com and 2% (1 request) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (2 sec) belongs to the original domain Kirihara.co.jp.

Content Size

5.1 MB

After Optimization

4.4 MB

In fact, the total size of Kirihara.co.jp main page is 5.1 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. 50% of websites need less resources to load. Images take 4.6 MB which makes up the majority of the site volume.

HTML Optimization

-88%

Potential reduce by 55.7 kB

Original 63.3 kB
After minification 50.0 kB
After compression 7.6 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 13.3 kB, which is 21% 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 55.7 kB or 88% of the original size.

Image Optimization

-6%

Potential reduce by 287.8 kB

Original 4.6 MB
After minification 4.3 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. Kirihara images are well optimized though.

JavaScript Optimization

-60%

Potential reduce by 94.3 kB

Original 157.5 kB
After minification 152.7 kB
After compression 63.1 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 94.3 kB or 60% of the original size.

CSS Optimization

-89%

Potential reduce by 290.6 kB

Original 326.1 kB
After minification 177.3 kB
After compression 35.5 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. Kirihara.co.jp needs all CSS files to be minified and compressed as it can save up to 290.6 kB or 89% of the original size.

Requests Now

After Optimization

The browser has sent 61 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Kirihara. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and as a result speed up the page load time.