Report Summary

  • 58

    Performance

    Renders faster than
    74% of other websites

  • 93

    Accessibility

    Visual factors better than
    that of 82% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    81% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

usability.gr.jp

U-Site - UXコンサルティング&リサーチ by イード

Page Load Speed

5.9 sec in total

First Response

575 ms

Resources Loaded

5 sec

Page Rendered

329 ms

usability.gr.jp screenshot

About Website

Welcome to usability.gr.jp homepage info - get ready to check Usability best content for Japan right away, or after learning these important things about usability.gr.jp

UXコンサルティング&リサーチ by IID

Visit usability.gr.jp

Key Findings

We analyzed Usability.gr.jp page load time and found that the first response time was 575 ms 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

usability.gr.jp performance score

58

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.0 s

9/100

10%

LCP (Largest Contentful Paint)

Value5.9 s

13/100

25%

SI (Speed Index)

Value6.7 s

36/100

10%

TBT (Total Blocking Time)

Value30 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value7.1 s

51/100

10%

Network Requests Diagram

usability.gr.jp

575 ms

u-site.jp

1649 ms

widget.css

364 ms

bootstrap.min.css

966 ms

font-awesome.min.css

5 ms

Our browser made a total of 58 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Usability.gr.jp, 50% (29 requests) were made to U-site.jp and 9% (5 requests) were made to Pagead2.googlesyndication.com. The less responsive or slowest element that took the longest time to load (2 sec) relates to the external source U-site.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 745.3 kB (47%)

Content Size

1.6 MB

After Optimization

829.9 kB

In fact, the total size of Usability.gr.jp main page is 1.6 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. Javascripts take 673.5 kB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 49.9 kB

  • Original 62.4 kB
  • After minification 56.7 kB
  • After compression 12.6 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 49.9 kB or 80% of the original size.

Image Optimization

-25%

Potential reduce by 170.3 kB

  • Original 671.3 kB
  • After minification 501.0 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. Obviously, Usability needs image optimization as it can save up to 170.3 kB or 25% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-58%

Potential reduce by 387.4 kB

  • Original 673.5 kB
  • After minification 673.1 kB
  • After compression 286.1 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 387.4 kB or 58% of the original size.

CSS Optimization

-82%

Potential reduce by 137.7 kB

  • Original 167.9 kB
  • After minification 161.9 kB
  • After compression 30.2 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. Usability.gr.jp needs all CSS files to be minified and compressed as it can save up to 137.7 kB or 82% of the original size.

Requests Breakdown

Number of requests can be reduced by 23 (42%)

Requests Now

55

After Optimization

32

The browser has sent 55 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Usability. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 18 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

usability.gr.jp accessibility score

93

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

Best Practices

usability.gr.jp best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

usability.gr.jp SEO score

83

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

Links are not crawlable

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 Usability.gr.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 Usability.gr.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 Usability. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: