Report Summary

  • 64

    Performance

    Renders faster than
    78% of other websites

  • 72

    Accessibility

    Visual factors better than
    that of 38% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 92

    SEO

    Google-friendlier than
    75% of websites

d-ios.com

D,IOS中野坂上スタジオ

Page Load Speed

39.8 sec in total

First Response

10.7 sec

Resources Loaded

28.7 sec

Page Rendered

328 ms

d-ios.com screenshot

About Website

Welcome to d-ios.com homepage info - get ready to check D Ios best content right away, or after learning these important things about d-ios.com

ディオスは、VP・テレビ番組・映画・webドラマ等の選曲・効果、ナレーション・ボイスサンプル・音声ガイド等の音声収録 MA、ボーカル・楽器のレコーディンング、5.1chサラウンドMIXと幅広く対応できる録音スタジオ、サウンド&ミュージックプロダクションです。

Visit d-ios.com

Key Findings

We analyzed D-ios.com page load time and found that the first response time was 10.7 sec and then it took 29.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster. Unfortunately, there were 8 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

d-ios.com performance score

64

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.6 s

64/100

10%

LCP (Largest Contentful Paint)

Value4.4 s

40/100

25%

SI (Speed Index)

Value4.3 s

75/100

10%

TBT (Total Blocking Time)

Value150 ms

94/100

30%

CLS (Cumulative Layout Shift)

Value0.349

32/100

15%

TTI (Time to Interactive)

Value5.6 s

70/100

10%

Network Requests Diagram

d-ios.com

10698 ms

common.css

480 ms

jquery.js

3863 ms

fixeder.js

4297 ms

common.js

4862 ms

Our browser made a total of 19 requests to load all elements on the main page. We found that 95% of them (18 requests) were addressed to the original D-ios.com, 5% (1 request) were made to Hosting2.nifty.com. The less responsive or slowest element that took the longest time to load (20.5 sec) belongs to the original domain D-ios.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 38.2 kB (49%)

Content Size

78.6 kB

After Optimization

40.4 kB

In fact, the total size of D-ios.com main page is 78.6 kB. This result falls within a vast category (top 1 000 000) of heavyweight, probably not optimized, and thus slow loading web pages. Only a small number of websites need less resources to load. Images take 48.4 kB which makes up the majority of the site volume.

HTML Optimization

-74%

Potential reduce by 16.3 kB

  • Original 22.0 kB
  • After minification 19.8 kB
  • After compression 5.7 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 16.3 kB or 74% of the original size.

Image Optimization

-32%

Potential reduce by 15.6 kB

  • Original 48.4 kB
  • After minification 32.7 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, D Ios needs image optimization as it can save up to 15.6 kB or 32% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-80%

Potential reduce by 3.7 kB

  • Original 4.6 kB
  • After minification 2.4 kB
  • After compression 902 B

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 3.7 kB or 80% of the original size.

CSS Optimization

-71%

Potential reduce by 2.7 kB

  • Original 3.7 kB
  • After minification 2.8 kB
  • After compression 1.1 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. D-ios.com needs all CSS files to be minified and compressed as it can save up to 2.7 kB or 71% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

7

After Optimization

7

The browser has sent 7 CSS, Javascripts, AJAX and image requests in order to completely render the main page of D Ios. According to our analytics all requests are already optimized.

Accessibility Review

d-ios.com accessibility score

72

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

High

[aria-hidden="true"] elements contain focusable descendents

High

ARIA input fields do not have accessible names

High

Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.

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

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

Best Practices

d-ios.com 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

d-ios.com SEO score

92

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

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 D-ios.com 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 D-ios.com 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 D Ios. 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: