Report Summary

  • 23

    Performance

    Renders faster than
    42% of other websites

  • 56

    Accessibility

    Visual factors better than
    that of 23% of websites

  • 54

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 67

    SEO

    Google-friendlier than
    25% of websites

ell.ojaru.jp

英語無料リスニング練習サイト ELL(English Listening Lab)

Page Load Speed

6 sec in total

First Response

772 ms

Resources Loaded

5 sec

Page Rendered

274 ms

ell.ojaru.jp screenshot

About Website

Visit ell.ojaru.jp now to see the best up-to-date ELL Ojaru content for Japan and also check out these interesting facts you probably never knew about ell.ojaru.jp

英語リスニング専門サイトです。約1000ものリスニング教材を全て無料でご利用いただけます。英語のリスニングを高めたい、検定試験などの準備をしたい、英語教授用の教材を探しているなど、様々な方にご利用いただけます。

Visit ell.ojaru.jp

Key Findings

We analyzed Ell.ojaru.jp page load time and found that the first response time was 772 ms and then it took 5.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

ell.ojaru.jp performance score

23

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.1 s

21/100

10%

LCP (Largest Contentful Paint)

Value9.3 s

1/100

25%

SI (Speed Index)

Value16.9 s

1/100

10%

TBT (Total Blocking Time)

Value1,460 ms

15/100

30%

CLS (Cumulative Layout Shift)

Value0.008

100/100

15%

TTI (Time to Interactive)

Value12.7 s

14/100

10%

Network Requests Diagram

ell.ojaru.jp

772 ms

tColHH.css

338 ms

zero10.css

335 ms

toppage2.css

335 ms

AC_RunActiveContent.js

356 ms

Our browser made a total of 135 requests to load all elements on the main page. We found that 25% of them (34 requests) were addressed to the original Ell.ojaru.jp, 15% (20 requests) were made to Pbs.twimg.com and 6% (8 requests) were made to Googleads.g.doubleclick.net. The less responsive or slowest element that took the longest time to load (3.8 sec) relates to the external source I0.wp.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 183.0 kB (15%)

Content Size

1.2 MB

After Optimization

1.1 MB

In fact, the total size of Ell.ojaru.jp main page is 1.2 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. 55% of websites need less resources to load. Images take 982.2 kB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 40.6 kB

  • Original 50.3 kB
  • After minification 41.5 kB
  • After compression 9.7 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 8.8 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 40.6 kB or 81% of the original size.

Image Optimization

-1%

Potential reduce by 6.3 kB

  • Original 982.2 kB
  • After minification 975.9 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. ELL Ojaru images are well optimized though.

JavaScript Optimization

-62%

Potential reduce by 121.1 kB

  • Original 195.8 kB
  • After minification 186.2 kB
  • After compression 74.7 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 121.1 kB or 62% of the original size.

CSS Optimization

-86%

Potential reduce by 15.0 kB

  • Original 17.4 kB
  • After minification 7.2 kB
  • After compression 2.4 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. Ell.ojaru.jp needs all CSS files to be minified and compressed as it can save up to 15.0 kB or 86% of the original size.

Requests Breakdown

Number of requests can be reduced by 49 (38%)

Requests Now

128

After Optimization

79

The browser has sent 128 CSS, Javascripts, AJAX and image requests in order to completely render the main page of ELL Ojaru. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 23 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

ell.ojaru.jp accessibility score

56

Accessibility Issues

ARIA

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.

Impact

Issue

High

[aria-*] attributes do not match their roles

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

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

Names and labels

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.

Impact

Issue

High

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

High

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

High

Links do not have a discernible name

Internationalization and localization

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

Impact

Issue

High

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

Best Practices

ell.ojaru.jp best practices score

54

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

High

Browser errors were logged to the console

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

ell.ojaru.jp SEO score

67

Search Engine Optimization Advices

Content Best Practices

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

Impact

Issue

High

Image elements do not have [alt] attributes

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 Ell.ojaru.jp 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 Ell.ojaru.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

Open Graph description is not detected on the main page of ELL Ojaru. 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: