Access yd2.net. エールデジタルデザイン｜高知市南御座のデザイン事務所です。デザイン・印刷、ホームページの製作等、承ります。

name

value

score

weighting

FCP (First Contentful Paint)

Value10.5 s

0/100

10%

LCP (Largest Contentful Paint)

Value27.6 s

0/100

25%

SI (Speed Index)

Value23.9 s

0/100

10%

TBT (Total Blocking Time)

Value2,060 ms

7/100

30%

CLS (Cumulative Layout Shift)

Value0.472

18/100

15%

TTI (Time to Interactive)

Value33.7 s

0/100

10%

yd2.net

529 ms

AC_RunActiveContent.js

390 ms

yd2lab.css

347 ms

Our browser made a total of 3 requests to load all elements on the main page. We found that all of those requests were addressed to Yd2.net and no external sources were called. The less responsive or slowest element that took the longest time to load (529 ms) belongs to the original domain Yd2.net.

Content Size

10.7 kB

After Optimization

2.8 kB

In fact, the total size of Yd2.net main page is 10.7 kB. This result falls within a vast category (top 1 000 000) of heavyweight, probably not optimized, and thus slow loading web pages. Only a small number of websites need less resources to load. Javascripts take 8.0 kB which makes up the majority of the site volume.

HTML Optimization

-56%

Potential reduce by 1.1 kB

Original 2.0 kB
After minification 1.9 kB
After compression 876 B

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 1.1 kB or 56% of the original size.

JavaScript Optimization

-80%

Potential reduce by 6.4 kB

Original 8.0 kB
After minification 5.2 kB
After compression 1.6 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 6.4 kB or 80% of the original size.

CSS Optimization

-46%

Potential reduce by 325 B

Original 699 B
After minification 571 B
After compression 374 B

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. Yd2.net needs all CSS files to be minified and compressed as it can save up to 325 B or 46% of the original size.

Requests Now

After Optimization

The browser has sent 2 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Yd 2. According to our analytics all requests are already optimized.

Accessibility Issues

These are opportunities to improve the legibility of your content.

High

Background and foreground colors do not have a sufficient contrast ratio.

These are opportunities to improve the semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.

High

<frame> or <iframe> elements do not have a title

These are opportunities to improve keyboard navigation in your application.

High

Heading elements are not in a sequentially-descending order

These are opportunities to improve the interpretation of your content by users in different locales.

High

<html> element does not have a [lang] attribute

Areas of Improvement

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

Low

Detected JavaScript libraries

High

Page has valid source maps

Search Engine Optimization Advices

Make sure your pages are mobile friendly so users don’t have to pinch or zoom in order to read the content pages. [Learn more](https://developers.google.com/search/mobile-sites/).

High

Document uses legible font sizes

Language and Encoding

Language Detected

JA
Language Claimed

N/A
Encoding

UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Yd2.net can be misinterpreted by Google and other search engines. Our service has detected that Japanese is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Yd2.net main page’s claimed encoding is utf-8. Use of this encoding format is the best practice as the main page visitors from all over the world won’t have any issues with symbol transcription.

Social Sharing Optimization

yd2.net

Open Graph description is not detected on the main page of Yd 2. Lack of Open Graph description can be counter-productive for their social media presence, as such a description allows converting a website homepage (or other pages) into good-looking, rich and well-structured posts, when it is being shared on Facebook and other social media. For example, adding the following code snippet into HTML <head> tag will help to represent this web page correctly in social networks: