Access yotsuyagakuin.com. 予備校・大学受験なら四谷学院

name

value

score

weighting

FCP (First Contentful Paint)

Value6.4 s

2/100

10%

LCP (Largest Contentful Paint)

Value19.1 s

0/100

25%

SI (Speed Index)

Value24.0 s

0/100

10%

TBT (Total Blocking Time)

Value7,160 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.688

7/100

15%

TTI (Time to Interactive)

Value36.3 s

0/100

10%

yotsuyagakuin.com

549 ms

yotsuyagakuin.com

716 ms

www.yotsuyagakuin.com

1173 ms

gtm.js

80 ms

jquery.min.js

24 ms

Our browser made a total of 270 requests to load all elements on the main page. We found that 61% of them (164 requests) were addressed to the original Yotsuyagakuin.com, 4% (11 requests) were made to Platform.twitter.com and 2% (6 requests) were made to Youtube.com. The less responsive or slowest element that took the longest time to load (1.7 sec) belongs to the original domain Yotsuyagakuin.com.

Content Size

3.1 MB

After Optimization

2.8 MB

In fact, the total size of Yotsuyagakuin.com main page is 3.1 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. Only a small number of websites need less resources to load. Images take 2.5 MB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 87.1 kB

Original 105.0 kB
After minification 73.5 kB
After compression 17.9 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 31.5 kB, which is 30% 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 87.1 kB or 83% of the original size.

Image Optimization

-2%

Potential reduce by 37.9 kB

Original 2.5 MB
After minification 2.4 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. Yotsuyagakuin images are well optimized though.

JavaScript Optimization

-13%

Potential reduce by 47.7 kB

Original 366.7 kB
After minification 366.6 kB
After compression 319.0 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 47.7 kB or 13% of the original size.

CSS Optimization

-33%

Potential reduce by 37.6 kB

Original 114.8 kB
After minification 103.1 kB
After compression 77.2 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. Yotsuyagakuin.com needs all CSS files to be minified and compressed as it can save up to 37.6 kB or 33% of the original size.

Requests Now

257

After Optimization

143

The browser has sent 257 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Yotsuyagakuin. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 54 to 1 for JavaScripts and from 12 to 1 for CSS and as a result speed up the page load time.