Tools & Wizards About Us

Report Summary

  • 87

    Performance

    Renders faster than
    89% of other websites

  • 63

    Accessibility

    Visual factors better than
    that of 28% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

i-osmosis.jp

MOSラボ | MOS資格の取得をお手伝するサイトです( i-osmosis.jp アイ･オズモシス )

Page Load Speed

2 sec in total

First Response

54 ms

Resources Loaded

1.7 sec

Page Rendered

210 ms

About Website

Welcome to i-osmosis.jp homepage info - get ready to check I Osmosis best content right away, or after learning these important things about i-osmosis.jp

MOS資格の「攻略ポイント・体験談」をお届けしてMOSマスタが「お悩みを解決」するサイトです。 MOSラボは、みなさまの「MOS資格」への挑戦と合格を応援しています。

Visit i-osmosis.jp

Key Findings

We analyzed I-osmosis.jp page load time and found that the first response time was 54 ms and then it took 1.9 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.

Performance Metrics

i-osmosis.jp performance score

87

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.9 s

88/100

10%

LCP (Largest Contentful Paint)

Value1.9 s

98/100

25%

SI (Speed Index)

Value2.3 s

99/100

10%

TBT (Total Blocking Time)

Value230 ms

87/100

30%

CLS (Cumulative Layout Shift)

Value0.219

57/100

15%

TTI (Time to Interactive)

Value3.2 s

95/100

10%

Network Requests Diagram

i-osmosis.jp

54 ms

index.html

323 ms

155 ms

global.css

151 ms

preetyphoto.css

299 ms

Our browser made a total of 32 requests to load all elements on the main page. We found that 3% of them (1 request) were addressed to the original I-osmosis.jp, 50% (16 requests) were made to Editage.jp and 13% (4 requests) were made to Configjp.veinteractive.com. The less responsive or slowest element that took the longest time to load (494 ms) relates to the external source Editage.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 574.3 kB (66%)

Content Size

868.2 kB

After Optimization

293.9 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of I-osmosis.jp main page is 868.2 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. 35% of websites need less resources to load. Javascripts take 790.3 kB which makes up the majority of the site volume.

HTML Optimization

-69%

Potential reduce by 10.1 kB

  • Original 14.7 kB
  • After minification 12.0 kB
  • After compression 4.6 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. This page needs HTML code to be minified as it can gain 2.7 kB, which is 18% 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 10.1 kB or 69% of the original size.

Image Optimization

-2%

Potential reduce by 507 B

  • Original 30.4 kB
  • After minification 29.9 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. I Osmosis images are well optimized though.

JavaScript Optimization

-68%

Potential reduce by 534.9 kB

  • Original 790.3 kB
  • After minification 559.9 kB
  • After compression 255.3 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 534.9 kB or 68% of the original size.

CSS Optimization

-88%

Potential reduce by 28.7 kB

  • Original 32.8 kB
  • After minification 25.3 kB
  • After compression 4.0 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. I-osmosis.jp needs all CSS files to be minified and compressed as it can save up to 28.7 kB or 88% of the original size.

Requests Breakdown

Number of requests can be reduced by 9 (32%)

Requests Now

28

After Optimization

19

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 28 CSS, Javascripts, AJAX and image requests in order to completely render the main page of I Osmosis. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

i-osmosis.jp accessibility score

63

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

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

i-osmosis.jp best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

i-osmosis.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

Page is blocked from indexing

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 doesn't use legible font sizes

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 I-osmosis.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 I-osmosis.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 I Osmosis. 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: