Report Summary

  • 1

    Performance

    Renders faster than
    19% of other websites

  • 74

    Accessibility

    Visual factors better than
    that of 41% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 84

    SEO

    Google-friendlier than
    53% of websites

daikan.ac.jp

大阪観光専門学校 ブライダル・ホテル・旅行・鉄道・空港のプロを目指そう!

Page Load Speed

11.8 sec in total

First Response

556 ms

Resources Loaded

10.8 sec

Page Rendered

507 ms

daikan.ac.jp screenshot

About Website

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

ブライダル・ホテル・旅行・鉄道・エアライン・語学を学ぶなら大阪観光専門学校。グループ創立55年の歴史と54,000人を超える卒業生の実績から就職に強い。文部科学省の職業実践課程認定校です。

Visit daikan.ac.jp

Key Findings

We analyzed Daikan.ac.jp page load time and found that the first response time was 556 ms and then it took 11.3 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

daikan.ac.jp performance score

1

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value7.5 s

1/100

10%

LCP (Largest Contentful Paint)

Value10.1 s

0/100

25%

SI (Speed Index)

Value18.6 s

0/100

10%

TBT (Total Blocking Time)

Value5,910 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.663

8/100

15%

TTI (Time to Interactive)

Value40.8 s

0/100

10%

Network Requests Diagram

daikan.ac.jp

556 ms

www.daikan.ac.jp

1336 ms

screen.css

352 ms

toppage.css

716 ms

banner.css

368 ms

Our browser made a total of 208 requests to load all elements on the main page. We found that 96% of them (199 requests) were addressed to the original Daikan.ac.jp, 3% (6 requests) were made to Google.com and 0% (1 request) were made to B92.yahoo.co.jp. The less responsive or slowest element that took the longest time to load (2.9 sec) belongs to the original domain Daikan.ac.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.7 MB (36%)

Content Size

4.8 MB

After Optimization

3.1 MB

In fact, the total size of Daikan.ac.jp main page is 4.8 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. 45% of websites need less resources to load. Images take 4.4 MB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 65.0 kB

  • Original 76.3 kB
  • After minification 57.9 kB
  • After compression 11.4 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 18.4 kB, which is 24% 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 65.0 kB or 85% of the original size.

Image Optimization

-32%

Potential reduce by 1.4 MB

  • Original 4.4 MB
  • After minification 3.0 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, Daikan needs image optimization as it can save up to 1.4 MB or 32% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-67%

Potential reduce by 151.7 kB

  • Original 226.4 kB
  • After minification 180.5 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 151.7 kB or 67% of the original size.

CSS Optimization

-84%

Potential reduce by 71.2 kB

  • Original 85.2 kB
  • After minification 62.8 kB
  • After compression 14.0 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. Daikan.ac.jp needs all CSS files to be minified and compressed as it can save up to 71.2 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 59 (29%)

Requests Now

204

After Optimization

145

The browser has sent 204 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Daikan. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 21 to 1 for JavaScripts and from 10 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

daikan.ac.jp accessibility score

74

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

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.

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

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

daikan.ac.jp 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

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

daikan.ac.jp SEO score

84

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

robots.txt is not valid

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 doesn't use legible font sizes

High

Tap targets are not sized appropriately

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 Daikan.ac.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 Daikan.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 Daikan. 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: