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name

value

score

weighting

FCP (First Contentful Paint)

Value3.5 s

35/100

10%

LCP (Largest Contentful Paint)

Value7.0 s

6/100

25%

SI (Speed Index)

Value5.2 s

60/100

10%

TBT (Total Blocking Time)

Value170 ms

92/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value5.2 s

74/100

10%

how.or.jp

853 ms

bootstrap_custom.css

1505 ms

bootstrap-icons.css

24 ms

base2.css

840 ms

analytics.js

340 ms

Our browser made a total of 13 requests to load all elements on the main page. We found that 62% of them (8 requests) were addressed to the original How.or.jp, 23% (3 requests) were made to Cdn.jsdelivr.net and 8% (1 request) were made to Code.jquery.com. The less responsive or slowest element that took the longest time to load (1.5 sec) belongs to the original domain How.or.jp.

Content Size

600.6 kB

After Optimization

339.2 kB

In fact, the total size of How.or.jp main page is 600.6 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. 15% of websites need less resources to load. Images take 330.6 kB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 16.1 kB

Original 20.7 kB
After minification 17.6 kB
After compression 4.6 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 3.1 kB, which is 15% 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 16.1 kB or 78% of the original size.

Image Optimization

-7%

Potential reduce by 21.9 kB

Original 330.6 kB
After minification 308.7 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. How images are well optimized though.

JavaScript Optimization

-44%

Potential reduce by 314 B

Original 715 B
After minification 597 B
After compression 401 B

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 314 B or 44% of the original size.

CSS Optimization

-90%

Potential reduce by 223.2 kB

Original 248.6 kB
After minification 177.9 kB
After compression 25.5 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. How.or.jp needs all CSS files to be minified and compressed as it can save up to 223.2 kB or 90% of the original size.

Requests Now

After Optimization

The browser has sent 11 CSS, Javascripts, AJAX and image requests in order to completely render the main page of How. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and as a result speed up the page load time.