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media4u.co.jp screenshot

Report Summary

  • 48

    Performance

    Renders faster than
    67% of other websites

  • 87

    Accessibility

    Visual factors better than
    that of 67% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

media4u.co.jp

メディア4u｜法人向けSMS送信サービス「メディアSMS」をコアに、様々なコンタクト支援サービスを提供。

Page Load Speed

1 sec in total

First Response

473 ms

Resources Loaded

487 ms

Page Rendered

80 ms

media4u.co.jp screenshot

About Website

Visit media4u.co.jp now to see the best up-to-date Media 4 U content and also check out these interesting facts you probably never knew about media4u.co.jp

メディア4uでは、国内屈指の法人向け（A2P）SMS送信サービス「メディアSMS」を運営しています。またIVR（自動音声応答）や音声認識エンジン、声紋認証エンジンなどを組み合わせ、様々なコンタクト支援サービスを提供しています。昨今のクライアントの課題であるユーザーとの「つながらない問題」を解決することを最大のミッションとしています。

Visit media4u.co.jp

Key Findings

We analyzed Media4u.co.jp page load time and found that the first response time was 473 ms and then it took 567 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 10% of websites can load faster.

Performance Metrics

media4u.co.jp performance score

48

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value7.9 s

0/100

10%

LCP (Largest Contentful Paint)

Value14.3 s

0/100

25%

SI (Speed Index)

Value10.4 s

8/100

10%

TBT (Total Blocking Time)

Value100 ms

98/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value10.2 s

25/100

10%

Network Requests Diagram

media4u.co.jp

473 ms

Our browser made a total of 1 request to load all elements on the main page. We found that all of those requests were addressed to Media4u.co.jp and no external sources were called. The less responsive or slowest element that took the longest time to load (473 ms) belongs to the original domain Media4u.co.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 51 B (27%)

Content Size

190 B

After Optimization

139 B

  • HTML

In fact, the total size of Media4u.co.jp main page is 190 B. This result falls within the top 5000 of lightweight and thus fast loading web pages. Only a small number of websites need less resources to load. HTML takes 190 B which makes up the majority of the site volume.

HTML Optimization

-27%

Potential reduce by 51 B

  • Original 190 B
  • After minification 189 B
  • After compression 139 B

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 B or 27% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

0

After Optimization

0

Besides the initial HTML request, no CSS, Javascripts, AJAX or image files were requested in the course of web page rendering.

Network Requests Diagram

media4u.co.jp

media4u.co.jp

473 ms

Accessibility Review

media4u.co.jp accessibility score

87

Accessibility Issues

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

Links do not have a discernible name

Best Practices

media4u.co.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

High

Page has valid source maps

SEO Factors

media4u.co.jp SEO score

86

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

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

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

    N/A

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Media4u.co.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 Media4u.co.jp main page’s claimed encoding is . 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

media4u.co.jp

Open Graph description is not detected on the main page of Media 4 U. 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: