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name

value

score

weighting

FCP (First Contentful Paint)

Value5.4 s

6/100

10%

LCP (Largest Contentful Paint)

Value5.4 s

20/100

25%

SI (Speed Index)

Value7.1 s

31/100

10%

TBT (Total Blocking Time)

Value130 ms

96/100

30%

CLS (Cumulative Layout Shift)

Value0.339

33/100

15%

TTI (Time to Interactive)

Value5.4 s

71/100

10%

kanto-denshipiano-koukakaitori.com

564 ms

bxi.css

171 ms

index.html.css

344 ms

common.css

341 ms

home.css

346 ms

Our browser made a total of 63 requests to load all elements on the main page. We found that 98% of them (62 requests) were addressed to the original Kanto-denshipiano-koukakaitori.com, 2% (1 request) were made to Maxcdn.bootstrapcdn.com. The less responsive or slowest element that took the longest time to load (1.4 sec) belongs to the original domain Kanto-denshipiano-koukakaitori.com.

Content Size

954.3 kB

After Optimization

878.4 kB

In fact, the total size of Kanto-denshipiano-koukakaitori.com main page is 954.3 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. 40% of websites need less resources to load. Images take 840.5 kB which makes up the majority of the site volume.

HTML Optimization

-74%

Potential reduce by 14.6 kB

Original 19.7 kB
After minification 18.8 kB
After compression 5.1 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 14.6 kB or 74% of the original size.

Image Optimization

-5%

Potential reduce by 40.3 kB

Original 840.5 kB
After minification 800.2 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. Kanto Denshipiano Koukakaitori images are well optimized though.

JavaScript Optimization

-19%

Potential reduce by 13.2 kB

Original 69.6 kB
After minification 69.6 kB
After compression 56.5 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 13.2 kB or 19% of the original size.

CSS Optimization

-32%

Potential reduce by 7.9 kB

Original 24.5 kB
After minification 24.5 kB
After compression 16.6 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. Kanto-denshipiano-koukakaitori.com needs all CSS files to be minified and compressed as it can save up to 7.9 kB or 32% of the original size.

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After Optimization

The browser has sent 61 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Kanto Denshipiano Koukakaitori. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.