Access cheerup.jp. 読んで身に付く英語勉強法マガジン

name

value

score

weighting

FCP (First Contentful Paint)

Value8.3 s

0/100

10%

LCP (Largest Contentful Paint)

Value12.2 s

0/100

25%

SI (Speed Index)

Value11.1 s

6/100

10%

TBT (Total Blocking Time)

Value330 ms

75/100

30%

CLS (Cumulative Layout Shift)

Value0.911

3/100

15%

TTI (Time to Interactive)

Value12.3 s

15/100

10%

english.cheerup.jp

3625 ms

bootstrap.css

325 ms

bootstrap-responsive.css

304 ms

font-awesome.min.css

299 ms

main.css

316 ms

Our browser made a total of 133 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Cheerup.jp, 29% (38 requests) were made to Pod.cheerup.jp and 8% (10 requests) were made to Static.xx.fbcdn.net. The less responsive or slowest element that took the longest time to load (4.5 sec) relates to the external source Pod.cheerup.jp.

Content Size

4.2 MB

After Optimization

3.8 MB

In fact, the total size of Cheerup.jp main page is 4.2 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. 70% of websites need less resources to load. Images take 3.6 MB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 78.9 kB

Original 97.9 kB
After minification 80.4 kB
After compression 19.1 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 17.5 kB, which is 18% 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 78.9 kB or 81% of the original size.

Image Optimization

-1%

Potential reduce by 38.2 kB

Original 3.6 MB
After minification 3.6 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. Cheer Up images are well optimized though.

JavaScript Optimization

-55%

Potential reduce by 128.5 kB

Original 234.7 kB
After minification 232.7 kB
After compression 106.2 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 128.5 kB or 55% of the original size.

CSS Optimization

-84%

Potential reduce by 213.6 kB

Original 253.0 kB
After minification 205.8 kB
After compression 39.5 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. Cheerup.jp needs all CSS files to be minified and compressed as it can save up to 213.6 kB or 84% of the original size.

Requests Now

124

After Optimization

The browser has sent 124 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Cheer Up. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 25 to 1 for JavaScripts and from 12 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

High

[aria-*] attributes do not match their roles

High

[aria-hidden="true"] elements contain focusable descendents

High

ARIA input fields do not have accessible names

High

Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.

High

[aria-*] attributes do not have valid values

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 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

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

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

High

Serves images with low resolution

Low

Detected JavaScript libraries

High

Page has valid source maps

Search Engine Optimization Advices

To appear in search results, crawlers need access to your app.

High

Links are not crawlable

Format your HTML in a way that enables crawlers to better understand your app’s content.

High

Image elements do not have [alt] attributes

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

High

Tap targets are not sized appropriately

Language and Encoding

Language Detected

JA
Language Claimed

JA
Encoding

UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Cheerup.jp can be misinterpreted by Google and other search engines. Our service has detected that Japanese is used on the page, and it matches the claimed language. Our system also found out that Cheerup.jp 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

cheerup.jp

Open Graph data is detected on the main page of Cheer Up. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook:

Report Summary

Performance

Accessibility

Best Practices

SEO

読んで身に付く英語勉強法マガジン | Cheer up! English

Page Load Speed

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Measured Metrics

FCP (First Contentful Paint)

LCP (Largest Contentful Paint)

SI (Speed Index)

TBT (Total Blocking Time)

CLS (Cumulative Layout Shift)

TTI (Time to Interactive)

Network Requests Diagram

english.cheerup.jp

bootstrap.css

bootstrap-responsive.css

font-awesome.min.css

main.css

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Image Optimization

JavaScript Optimization

CSS Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

english.cheerup.jp

bootstrap.css

bootstrap-responsive.css

font-awesome.min.css

main.css

video-js.min.css

r3main.css

article_login_form.css

util.js

jquery.min.js

analytics.js

video.js

englishcheerup_bigmining.js

css

conversion.js

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