Report Summary

  • 6

    Performance

    Renders faster than
    21% of other websites

  • 73

    Accessibility

    Visual factors better than
    that of 38% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 91

    SEO

    Google-friendlier than
    70% of websites

oda.ac.jp

専門学校|学校法人 織田学園|東京・中野

Page Load Speed

12.4 sec in total

First Response

1.3 sec

Resources Loaded

10.8 sec

Page Rendered

369 ms

About Website

Click here to check amazing Oda content for Japan. Otherwise, check out these important facts you probably never knew about oda.ac.jp

織田学園は東京都中野区にある専門学校です。ファッション、きもの、栄養、調理、製菓のプロを目指そう。調理師国家資格、栄養士国家資格を取得可能な専門学校です。

Visit oda.ac.jp

Key Findings

We analyzed Oda.ac.jp page load time and found that the first response time was 1.3 sec and then it took 11.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

oda.ac.jp performance score

6

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.9 s

10/100

10%

LCP (Largest Contentful Paint)

Value38.3 s

0/100

25%

SI (Speed Index)

Value34.6 s

0/100

10%

TBT (Total Blocking Time)

Value23,220 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.342

33/100

15%

TTI (Time to Interactive)

Value42.3 s

0/100

10%

Network Requests Diagram

oda.ac.jp

1289 ms

style.min.css

756 ms

css2

36 ms

css2

52 ms

common.css

582 ms

Our browser made a total of 120 requests to load all elements on the main page. We found that 60% of them (72 requests) were addressed to the original Oda.ac.jp, 15% (18 requests) were made to Platform.twitter.com and 5% (6 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (4.9 sec) belongs to the original domain Oda.ac.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 93.2 kB (7%)

Content Size

1.4 MB

After Optimization

1.3 MB

In fact, the total size of Oda.ac.jp main page is 1.4 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. Only a small number of websites need less resources to load. Images take 1.2 MB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 47.7 kB

  • Original 58.8 kB
  • After minification 55.8 kB
  • After compression 11.1 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. 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 47.7 kB or 81% of the original size.

Image Optimization

-2%

Potential reduce by 28.1 kB

  • Original 1.2 MB
  • After minification 1.1 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. Oda images are well optimized though.

JavaScript Optimization

-8%

Potential reduce by 9.5 kB

  • Original 118.6 kB
  • After minification 118.6 kB
  • After compression 109.1 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. This website has mostly compressed JavaScripts.

CSS Optimization

-25%

Potential reduce by 8.0 kB

  • Original 31.5 kB
  • After minification 31.5 kB
  • After compression 23.5 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. Oda.ac.jp needs all CSS files to be minified and compressed as it can save up to 8.0 kB or 25% of the original size.

Requests Breakdown

Number of requests can be reduced by 37 (33%)

Requests Now

113

After Optimization

76

The browser has sent 113 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Oda. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 33 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

oda.ac.jp accessibility score

73

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

Links do not have a discernible name

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

oda.ac.jp best practices score

83

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

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

oda.ac.jp SEO score

91

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

Links do not have descriptive text

Mobile Friendly

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/).

Impact

Issue

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 Oda.ac.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 Oda.ac.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 Oda. 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: