Access covid19-ai.jp. COVID-19 AI and Simulation Project | The purpose of this project is to achieve a balance between eco...

covid19-ai.jp

485 ms

273 ms

index.html

706 ms

common_migration_202312.css

678 ms

jquery-3.7.1.min.js

622 ms

Our browser made a total of 57 requests to load all elements on the main page. We found that 4% of them (2 requests) were addressed to the original Covid19-ai.jp, 72% (41 requests) were made to Caicm.go.jp and 5% (3 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (1.8 sec) relates to the external source Caicm.go.jp.

Content Size

2.8 MB

After Optimization

2.4 MB

In fact, the total size of Covid19-ai.jp main page is 2.8 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 2.2 MB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 64.7 kB

Original 77.3 kB
After minification 58.2 kB
After compression 12.7 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 19.2 kB, which is 25% 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 64.7 kB or 84% of the original size.

Image Optimization

-0%

Potential reduce by 6.2 kB

Original 2.2 MB
After minification 2.2 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. COVID 19 AI images are well optimized though.

JavaScript Optimization

-62%

Potential reduce by 196.6 kB

Original 315.4 kB
After minification 314.5 kB
After compression 118.8 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 196.6 kB or 62% of the original size.

CSS Optimization

-86%

Potential reduce by 139.2 kB

Original 161.5 kB
After minification 134.4 kB
After compression 22.2 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. Covid19-ai.jp needs all CSS files to be minified and compressed as it can save up to 139.2 kB or 86% of the original size.

Requests Now

After Optimization

The browser has sent 50 CSS, Javascripts, AJAX and image requests in order to completely render the main page of COVID 19 AI. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 16 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.