Tools & Wizards About Us

Report Summary

  • 26

    Performance

    Renders faster than
    45% of other websites

  • 75

    Accessibility

    Visual factors better than
    that of 41% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 93

    SEO

    Google-friendlier than
    83% of websites

osakadc.jp

一般財団法人 大阪デザインセンター | 創立60周年を迎える日本国内で最も歴史のあるデザインセンターです。

Page Load Speed

9.9 sec in total

First Response

725 ms

Resources Loaded

8.6 sec

Page Rendered

581 ms

About Website

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

一般財団法人大阪デザインセンターは、1960年に全国に先駆けて、大阪府・大阪市・大阪商工会議所によって設立された、国内で最も歴史のあるデザインセンターです。関西の産業デザインの中心拠点として、デザイナー紹介やデザイン情報提供、各種デザイン講座の企画による人材育成・交流など総合的なデザイン振興事業を展開しています。

Visit osakadc.jp

Key Findings

We analyzed Osakadc.jp page load time and found that the first response time was 725 ms and then it took 9.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.

Performance Metrics

osakadc.jp performance score

26

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.4 s

2/100

10%

LCP (Largest Contentful Paint)

Value15.3 s

0/100

25%

SI (Speed Index)

Value14.1 s

1/100

10%

TBT (Total Blocking Time)

Value850 ms

34/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value15.0 s

8/100

10%

Network Requests Diagram

osakadc.jp

725 ms

www.osakadc.jp

2555 ms

style.min.css

720 ms

wp-ulike.min.css

667 ms

custom.css

542 ms

Our browser made a total of 55 requests to load all elements on the main page. We found that 93% of them (51 requests) were addressed to the original Osakadc.jp, 2% (1 request) were made to Use.fontawesome.com and 2% (1 request) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (2.6 sec) belongs to the original domain Osakadc.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 995.4 kB (28%)

Content Size

3.6 MB

After Optimization

2.6 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Osakadc.jp main page is 3.6 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 1.9 MB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 56.6 kB

  • Original 67.6 kB
  • After minification 51.3 kB
  • After compression 11.0 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 16.3 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 56.6 kB or 84% of the original size.

Image Optimization

-4%

Potential reduce by 79.0 kB

  • Original 1.9 MB
  • After minification 1.8 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. Osakadc images are well optimized though.

JavaScript Optimization

-36%

Potential reduce by 384.4 kB

  • Original 1.1 MB
  • After minification 1.1 MB
  • After compression 692.0 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 384.4 kB or 36% of the original size.

CSS Optimization

-86%

Potential reduce by 475.3 kB

  • Original 554.7 kB
  • After minification 483.2 kB
  • After compression 79.4 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. Osakadc.jp needs all CSS files to be minified and compressed as it can save up to 475.3 kB or 86% of the original size.

Requests Breakdown

Number of requests can be reduced by 16 (31%)

Requests Now

52

After Optimization

36

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 52 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Osakadc. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

osakadc.jp accessibility score

75

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

osakadc.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

osakadc.jp SEO score

93

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

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

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 Osakadc.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 Osakadc.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 data is detected on the main page of Osakadc. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: