Tools & Wizards About Us
nadiff-online.com screenshot

Report Summary

  • 43

    Performance

    Renders faster than
    62% of other websites

  • 54

    Accessibility

    Visual factors better than
    that of 23% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 69

    SEO

    Google-friendlier than
    28% of websites

nadiff-online.com

NADiff Online

Page Load Speed

11.6 sec in total

First Response

934 ms

Resources Loaded

10.1 sec

Page Rendered

629 ms

nadiff-online.com screenshot

About Website

Visit nadiff-online.com now to see the best up-to-date NADiff Online content for Japan and also check out these interesting facts you probably never knew about nadiff-online.com

アートブック、展覧会カタログ、グッズ 、エディション／マルチプルなどを取り扱うアートショップ&ギャラリー

Visit nadiff-online.com

Key Findings

We analyzed Nadiff-online.com page load time and found that the first response time was 934 ms and then it took 10.7 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

nadiff-online.com performance score

43

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.6 s

14/100

10%

LCP (Largest Contentful Paint)

Value6.1 s

12/100

25%

SI (Speed Index)

Value7.3 s

29/100

10%

TBT (Total Blocking Time)

Value440 ms

63/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value10.8 s

22/100

10%

Network Requests Diagram

www.nadiff-online.com

934 ms

index.css

172 ms

jquery.min.js

31 ms

js

65 ms

jquery.min.js

34 ms

Our browser made a total of 152 requests to load all elements on the main page. We found that 4% of them (6 requests) were addressed to the original Nadiff-online.com, 76% (115 requests) were made to Img15.shop-pro.jp and 10% (15 requests) were made to Img.shop-pro.jp. The less responsive or slowest element that took the longest time to load (2.7 sec) relates to the external source Img15.shop-pro.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 321.0 kB (19%)

Content Size

1.7 MB

After Optimization

1.4 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Nadiff-online.com main page is 1.7 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. 55% of websites need less resources to load. Images take 1.3 MB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 51.6 kB

  • Original 63.9 kB
  • After minification 62.3 kB
  • After compression 12.3 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 51.6 kB or 81% of the original size.

Image Optimization

-5%

Potential reduce by 58.1 kB

  • Original 1.3 MB
  • After minification 1.2 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. NADiff Online images are well optimized though.

JavaScript Optimization

-56%

Potential reduce by 197.5 kB

  • Original 354.7 kB
  • After minification 354.7 kB
  • After compression 157.2 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 197.5 kB or 56% of the original size.

CSS Optimization

-50%

Potential reduce by 13.9 kB

  • Original 27.7 kB
  • After minification 23.9 kB
  • After compression 13.9 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. Nadiff-online.com needs all CSS files to be minified and compressed as it can save up to 13.9 kB or 50% of the original size.

Requests Breakdown

Number of requests can be reduced by 18 (12%)

Requests Now

148

After Optimization

130

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 148 CSS, Javascripts, AJAX and image requests in order to completely render the main page of NADiff Online. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

www.nadiff-online.com

www.nadiff-online.com

934 ms

index.css

index.css

172 ms

jquery.min.js

jquery.min.js

31 ms

js

js

65 ms

jquery.min.js

jquery.min.js

34 ms

jquery.tile.min.js

jquery.tile.min.js

1083 ms

jquery.dotdotdot-1.5.9.min.js

jquery.dotdotdot-1.5.9.min.js

1146 ms

common.js

common.js

1147 ms

cart.js

cart.js

329 ms

async_cart_in.js

async_cart_in.js

540 ms

product_stock.js

product_stock.js

518 ms

js.cookie.js

js.cookie.js

576 ms

favorite_button.js

favorite_button.js

691 ms

acc-track.js

acc-track.js

934 ms

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Accessibility Review

nadiff-online.com accessibility score

54

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

Form elements do not have associated labels

High

Links do not have a discernible name

Best Practices

nadiff-online.com best practices score

58

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

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

nadiff-online.com SEO score

69

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

Language and Encoding

  • Language Detected

    JA

  • Language Claimed

    JA

  • Encoding

    EUC-JP

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Nadiff-online.com 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 Nadiff-online.com main page’s claimed encoding is euc-jp. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

nadiff-online.com

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