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name

value

score

weighting

FCP (First Contentful Paint)

Value3.1 s

45/100

10%

LCP (Largest Contentful Paint)

Value3.9 s

52/100

25%

SI (Speed Index)

Value6.9 s

34/100

10%

TBT (Total Blocking Time)

Value30 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.003

100/100

15%

TTI (Time to Interactive)

Value5.2 s

74/100

10%

igakubu-goukaku.com

1159 ms

screen.css

377 ms

jquery-1.7.1.min.js

1077 ms

fixHeight.js

376 ms

common.settings.js

380 ms

Our browser made a total of 120 requests to load all elements on the main page. We found that 87% of them (104 requests) were addressed to the original Igakubu-goukaku.com, 3% (4 requests) were made to Googleadservices.com and 3% (3 requests) were made to Google.com. The less responsive or slowest element that took the longest time to load (1.2 sec) belongs to the original domain Igakubu-goukaku.com.

Content Size

807.5 kB

After Optimization

529.7 kB

In fact, the total size of Igakubu-goukaku.com main page is 807.5 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 453.7 kB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 30.4 kB

Original 38.9 kB
After minification 36.6 kB
After compression 8.5 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 30.4 kB or 78% of the original size.

Image Optimization

-12%

Potential reduce by 52.9 kB

Original 453.7 kB
After minification 400.8 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, Igakubu Goukaku needs image optimization as it can save up to 52.9 kB or 12% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-56%

Potential reduce by 142.9 kB

Original 254.4 kB
After minification 238.4 kB
After compression 111.5 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 142.9 kB or 56% of the original size.

CSS Optimization

-85%

Potential reduce by 51.6 kB

Original 60.5 kB
After minification 39.6 kB
After compression 8.9 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. Igakubu-goukaku.com needs all CSS files to be minified and compressed as it can save up to 51.6 kB or 85% of the original size.

Requests Now

113

After Optimization

The browser has sent 113 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Igakubu Goukaku. 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 7 to 1 for CSS and as a result speed up the page load time.