Report Summary

  • 32

    Performance

    Renders faster than
    52% of other websites

  • 91

    Accessibility

    Visual factors better than
    that of 77% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 99

    SEO

    Google-friendlier than
    93% 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

6.4 sec in total

First Response

1.1 sec

Resources Loaded

4.9 sec

Page Rendered

458 ms

osakadc.jp screenshot

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 1.1 sec and then it took 5.3 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

osakadc.jp performance score

32

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.6 s

2/100

10%

LCP (Largest Contentful Paint)

Value7.7 s

3/100

25%

SI (Speed Index)

Value16.1 s

0/100

10%

TBT (Total Blocking Time)

Value590 ms

50/100

30%

CLS (Cumulative Layout Shift)

Value0.015

100/100

15%

TTI (Time to Interactive)

Value12.7 s

13/100

10%

Network Requests Diagram

osakadc.jp

1052 ms

base.css

456 ms

jquery.min.js

30 ms

responsive.js

308 ms

index.css

479 ms

Our browser made a total of 153 requests to load all elements on the main page. We found that 71% of them (109 requests) were addressed to the original Osakadc.jp, 16% (25 requests) were made to Static.xx.fbcdn.net and 3% (5 requests) were made to Scontent.xx.fbcdn.net. The less responsive or slowest element that took the longest time to load (1.5 sec) belongs to the original domain Osakadc.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 121.7 kB (10%)

Content Size

1.3 MB

After Optimization

1.1 MB

In fact, the total size of Osakadc.jp main page is 1.3 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. 70% of websites need less resources to load. Images take 1.1 MB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 28.2 kB

  • Original 36.9 kB
  • After minification 32.3 kB
  • After compression 8.7 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 4.7 kB, which is 13% 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 28.2 kB or 76% of the original size.

Image Optimization

-2%

Potential reduce by 22.5 kB

  • Original 1.1 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. Osakadc images are well optimized though.

JavaScript Optimization

-56%

Potential reduce by 51.5 kB

  • Original 91.4 kB
  • After minification 89.4 kB
  • After compression 39.9 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 51.5 kB or 56% of the original size.

CSS Optimization

-80%

Potential reduce by 19.5 kB

  • Original 24.3 kB
  • After minification 18.0 kB
  • After compression 4.8 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 19.5 kB or 80% of the original size.

Requests Breakdown

Number of requests can be reduced by 45 (30%)

Requests Now

151

After Optimization

106

The browser has sent 151 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 24 to 1 for JavaScripts and from 11 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

osakadc.jp accessibility score

91

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

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

99

Search Engine Optimization Advices

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 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 description is not detected on the main page of Osakadc. 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: