Report Summary

  • 69

    Performance

    Renders faster than
    80% of other websites

  • 67

    Accessibility

    Visual factors better than
    that of 32% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 58

    SEO

    Google-friendlier than
    21% of websites

onti-kyosei.com

音痴 を直す ボイトレ 音痴矯正 スクール カラオケ・リズム音痴克服専門、直しかたを紹介、指導〜

Page Load Speed

22.7 sec in total

First Response

678 ms

Resources Loaded

21.7 sec

Page Rendered

285 ms

About Website

Visit onti-kyosei.com now to see the best up-to-date Onti Kyosei content and also check out these interesting facts you probably never knew about onti-kyosei.com

音痴を直す、音痴矯正スクールです。音痴の矯正・克服術や自分で直す方法、カラオケ上達術を個別に徹底指導しています。1日型短期集中特訓での音痴改善レッスン、トレーニングには定評があります。新宿駅南口より徒歩8分。おんちの悩みを解消します。好評・声予報・毎日更新中、喉のアンチエイヂングにお役立てください。

Visit onti-kyosei.com

Key Findings

We analyzed Onti-kyosei.com page load time and found that the first response time was 678 ms and then it took 22 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster. Unfortunately, there was 1 request timeout, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

onti-kyosei.com performance score

69

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.2 s

43/100

10%

LCP (Largest Contentful Paint)

Value6.3 s

10/100

25%

SI (Speed Index)

Value4.0 s

80/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value3.2 s

94/100

10%

Network Requests Diagram

onti-kyosei.com

678 ms

comp.css

330 ms

jquery.min.js

8 ms

jquery.droppy.js

330 ms

highslide-with-gallery.js

663 ms

Our browser made a total of 50 requests to load all elements on the main page. We found that 90% of them (45 requests) were addressed to the original Onti-kyosei.com, 6% (3 requests) were made to Google-analytics.com and 2% (1 request) were made to Ajax.googleapis.com. The less responsive or slowest element that took the longest time to load (19.6 sec) relates to the external source Tracker.kantan-access.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 170.3 kB (18%)

Content Size

925.0 kB

After Optimization

754.7 kB

In fact, the total size of Onti-kyosei.com main page is 925.0 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 25% of websites need less resources to load. Images take 741.1 kB which makes up the majority of the site volume.

HTML Optimization

-74%

Potential reduce by 25.8 kB

  • Original 34.9 kB
  • After minification 34.0 kB
  • After compression 9.2 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. 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 25.8 kB or 74% of the original size.

Image Optimization

-8%

Potential reduce by 56.1 kB

  • Original 741.1 kB
  • After minification 685.0 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. Onti Kyosei images are well optimized though.

JavaScript Optimization

-52%

Potential reduce by 58.7 kB

  • Original 113.1 kB
  • After minification 97.1 kB
  • After compression 54.4 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 58.7 kB or 52% of the original size.

CSS Optimization

-83%

Potential reduce by 29.7 kB

  • Original 35.9 kB
  • After minification 27.5 kB
  • After compression 6.2 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. Onti-kyosei.com needs all CSS files to be minified and compressed as it can save up to 29.7 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 13 (28%)

Requests Now

46

After Optimization

33

The browser has sent 46 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Onti Kyosei. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

onti-kyosei.com accessibility score

67

Accessibility Issues

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best Practices

onti-kyosei.com best practices score

67

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

onti-kyosei.com SEO score

58

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

Links are not crawlable

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

    JA

  • Encoding

    SHIFT_JIS

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Onti-kyosei.com 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 Onti-kyosei.com main page’s claimed encoding is shift_jis. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

Open Graph description is not detected on the main page of Onti Kyosei. 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: