Report Summary

  • 40

    Performance

    Renders faster than
    60% of other websites

  • 92

    Accessibility

    Visual factors better than
    that of 80% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 100

    SEO

    Google-friendlier than
    95% of websites

us-ism.net

エコー・超音波検査のセミナーや講習会なら|株式会社US-ism

Page Load Speed

3 sec in total

First Response

713 ms

Resources Loaded

2 sec

Page Rendered

279 ms

us-ism.net screenshot

About Website

Visit us-ism.net now to see the best up-to-date Us Ism content and also check out these interesting facts you probably never knew about us-ism.net

超音波セミナー・エコー講習会のUS-ism。超音波検査初心者に向けた、腹部エコー,心エコー,頸動脈エコー,下肢静脈エコー,乳腺エコー等のセミナー・講習会を行っています。経験豊富な超音波検査士がのべ10,000人以上の指導経験の基培った“教える技術”を生かし、超音波・エコー検査技術をわかりやすく丁寧に指導いたします。

Visit us-ism.net

Key Findings

We analyzed Us-ism.net page load time and found that the first response time was 713 ms and then it took 2.3 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

us-ism.net performance score

40

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.8 s

11/100

10%

LCP (Largest Contentful Paint)

Value7.1 s

5/100

25%

SI (Speed Index)

Value7.9 s

23/100

10%

TBT (Total Blocking Time)

Value220 ms

87/100

30%

CLS (Cumulative Layout Shift)

Value0.23

54/100

15%

TTI (Time to Interactive)

Value13.0 s

12/100

10%

Network Requests Diagram

us-ism.net

713 ms

styl.css

330 ms

spacer.gif

319 ms

taitle_sita.gif

386 ms

side_muryou.gif

387 ms

Our browser made a total of 29 requests to load all elements on the main page. We found that 86% of them (25 requests) were addressed to the original Us-ism.net, 10% (3 requests) were made to J1.ax.xrea.com and 3% (1 request) were made to Wj.ax.xrea.com. The less responsive or slowest element that took the longest time to load (952 ms) belongs to the original domain Us-ism.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 31.9 kB (40%)

Content Size

80.5 kB

After Optimization

48.6 kB

In fact, the total size of Us-ism.net main page is 80.5 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. Only 10% of websites need less resources to load. Images take 44.6 kB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 22.0 kB

  • Original 27.8 kB
  • After minification 24.2 kB
  • After compression 5.9 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 3.6 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 22.0 kB or 79% of the original size.

Image Optimization

-11%

Potential reduce by 4.8 kB

  • Original 44.6 kB
  • After minification 39.8 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. Obviously, Us Ism needs image optimization as it can save up to 4.8 kB or 11% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-60%

Potential reduce by 3.9 kB

  • Original 6.5 kB
  • After minification 6.3 kB
  • After compression 2.6 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 3.9 kB or 60% of the original size.

CSS Optimization

-78%

Potential reduce by 1.3 kB

  • Original 1.7 kB
  • After minification 1.4 kB
  • After compression 369 B

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. Us-ism.net needs all CSS files to be minified and compressed as it can save up to 1.3 kB or 78% of the original size.

Requests Breakdown

Number of requests can be reduced by 5 (19%)

Requests Now

27

After Optimization

22

The browser has sent 27 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Us Ism. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests and as a result speed up the page load time.

Accessibility Review

us-ism.net accessibility score

92

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

<frame> or <iframe> elements do not have a title

Best Practices

us-ism.net best practices score

75

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

SEO Factors

us-ism.net SEO score

100

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

Language and Encoding

  • Language Detected

    JA

  • Language Claimed

    N/A

  • Encoding

    SHIFT_JIS

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Us-ism.net 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 Us-ism.net main page’s claimed encoding is shift_jis. 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

Open Graph description is not detected on the main page of Us Ism. 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: