Access listening-power.com. 英語教材　「リスニングパワー」

listening-power.com screenshot

6

Performance

Renders faster than
21% of other websites
71

Accessibility

Visual factors better than
that of 36% of websites
50

Best Practices

More advanced features
available than in
19% of websites
92

SEO

Google-friendlier than
74% of websites

First Response

1.9 sec

Resources Loaded

7.4 sec

Page Rendered

26.7 sec

listening-power.com screenshot

About Website

Click here to check amazing Listening Power content for Japan. Otherwise, check out these important facts you probably never knew about listening-power.com

英語教材「リスニングパワー」を30日ヒアリングするだけで英語耳になれる！

Visit listening-power.com

Key Findings

We analyzed Listening-power.com page load time and found that the first response time was 1.9 sec and then it took 34.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster.

name

value

score

weighting

FCP (First Contentful Paint)

Value4.5 s

15/100

10%

LCP (Largest Contentful Paint)

Value5.9 s

14/100

25%

SI (Speed Index)

Value15.8 s

0/100

10%

TBT (Total Blocking Time)

Value2,730 ms

3/100

30%

CLS (Cumulative Layout Shift)

Value0.958

3/100

15%

TTI (Time to Interactive)

Value27.1 s

0/100

10%

listening-power.com

1936 ms

style.css

513 ms

sp_style.css

521 ms

deco.css

353 ms

jquery.min.js

6 ms

Our browser made a total of 152 requests to load all elements on the main page. We found that 90% of them (137 requests) were addressed to the original Listening-power.com, 2% (3 requests) were made to Youtube.com and 2% (3 requests) were made to S.ytimg.com. The less responsive or slowest element that took the longest time to load (2.8 sec) belongs to the original domain Listening-power.com.

Content Size

6.8 MB

After Optimization

4.9 MB

In fact, the total size of Listening-power.com main page is 6.8 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. 75% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 6.1 MB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 190.8 kB

Original 238.6 kB
After minification 198.3 kB
After compression 47.7 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 40.2 kB, which is 17% 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 190.8 kB or 80% of the original size.

Image Optimization

-22%

Potential reduce by 1.3 MB

Original 6.1 MB
After minification 4.7 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. Obviously, Listening Power needs image optimization as it can save up to 1.3 MB or 22% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-59%

Potential reduce by 136.6 kB

Original 231.5 kB
After minification 231.4 kB
After compression 95.0 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 136.6 kB or 59% of the original size.

CSS Optimization

-83%

Potential reduce by 217.8 kB

Original 263.8 kB
After minification 260.0 kB
After compression 46.0 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. Listening-power.com needs all CSS files to be minified and compressed as it can save up to 217.8 kB or 83% of the original size.

Requests Now

148

After Optimization

137

The browser has sent 148 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Listening Power. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

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

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

Displays images with incorrect aspect ratio

High

Serves images with low resolution

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

Search Engine Optimization Advices

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

Language and Encoding

Language Detected

N/A
Language Claimed

JA
Encoding

UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Listening-power.com can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else), while the claimed language is Japanese. Our system also found out that Listening-power.com 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

listening-power.com

Open Graph description is not detected on the main page of Listening Power. 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: