Report Summary

  • 15

    Performance

    Renders faster than
    34% of other websites

  • 89

    Accessibility

    Visual factors better than
    that of 78% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    65% of websites

  • 91

    SEO

    Google-friendlier than
    76% of websites

2121designsight.jp

21_21 DESIGN SIGHT

Page Load Speed

4.8 sec in total

First Response

852 ms

Resources Loaded

3.7 sec

Page Rendered

184 ms

2121designsight.jp screenshot

About Website

Visit 2121designsight.jp now to see the best up-to-date 21 DESIGN SIGHT content for Japan and also check out these interesting facts you probably never knew about 2121designsight.jp

21_21 DESIGN SIGHT は、デザインを通して世界を見る場所です。 三宅一生、佐藤卓、深澤直人の3人のディレクターを中心とした、デザインのためのリサーチセンターであり、デザインについて考える場所であり、ものづくりの現場です。建築は安藤忠雄によるものです。

Visit 2121designsight.jp

Key Findings

We analyzed 2121designsight.jp page load time and found that the first response time was 852 ms and then it took 3.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

2121designsight.jp performance score

15

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.8 s

56/100

10%

LCP (Largest Contentful Paint)

Value23.3 s

0/100

25%

SI (Speed Index)

Value12.3 s

3/100

10%

TBT (Total Blocking Time)

Value920 ms

30/100

30%

CLS (Cumulative Layout Shift)

Value0.97

2/100

15%

TTI (Time to Interactive)

Value20.7 s

2/100

10%

Network Requests Diagram

2121designsight.jp

852 ms

screen.css

907 ms

colorbox2.css

367 ms

jquery.js

1296 ms

jquery.cross-slide.min.js

556 ms

Our browser made a total of 42 requests to load all elements on the main page. We found that 95% of them (40 requests) were addressed to the original 2121designsight.jp, 5% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.8 sec) belongs to the original domain 2121designsight.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 108.5 kB (12%)

Content Size

915.4 kB

After Optimization

806.9 kB

In fact, the total size of 2121designsight.jp main page is 915.4 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. 15% of websites need less resources to load. Images take 769.0 kB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 10.6 kB

  • Original 13.8 kB
  • After minification 11.4 kB
  • After compression 3.2 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. This page needs HTML code to be minified as it can gain 2.4 kB, which is 17% 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 10.6 kB or 77% of the original size.

Image Optimization

-2%

Potential reduce by 18.2 kB

  • Original 769.0 kB
  • After minification 750.8 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. 21 DESIGN SIGHT images are well optimized though.

JavaScript Optimization

-55%

Potential reduce by 59.4 kB

  • Original 107.8 kB
  • After minification 106.6 kB
  • After compression 48.3 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 59.4 kB or 55% of the original size.

CSS Optimization

-82%

Potential reduce by 20.3 kB

  • Original 24.9 kB
  • After minification 19.3 kB
  • After compression 4.6 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. 2121designsight.jp needs all CSS files to be minified and compressed as it can save up to 20.3 kB or 82% of the original size.

Requests Breakdown

Number of requests can be reduced by 14 (34%)

Requests Now

41

After Optimization

27

The browser has sent 41 CSS, Javascripts, AJAX and image requests in order to completely render the main page of 21 DESIGN SIGHT. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

2121designsight.jp accessibility score

89

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 input fields do not have accessible names

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.

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

2121designsight.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

2121designsight.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

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise 2121designsight.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 2121designsight.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 21 DESIGN SIGHT. 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: