Report Summary

  • 42

    Performance

    Renders faster than
    61% of other websites

  • 89

    Accessibility

    Visual factors better than
    that of 72% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 92

    SEO

    Google-friendlier than
    75% of websites

stardc.co.jp

株式会社スターダストコミュニケーションズ

Page Load Speed

5.4 sec in total

First Response

509 ms

Resources Loaded

4.7 sec

Page Rendered

219 ms

stardc.co.jp screenshot

About Website

Visit stardc.co.jp now to see the best up-to-date Stardc content for Japan and also check out these interesting facts you probably never knew about stardc.co.jp

株式会社スターダストコミュニケーションズはインターネットを通じて、多くの皆様の「あって良かった」「あったらいいな」を実現し、新しい価値観・感動・喜びを創造します。

Visit stardc.co.jp

Key Findings

We analyzed Stardc.co.jp page load time and found that the first response time was 509 ms and then it took 4.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

stardc.co.jp performance score

42

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.6 s

31/100

10%

LCP (Largest Contentful Paint)

Value6.9 s

7/100

25%

SI (Speed Index)

Value8.3 s

19/100

10%

TBT (Total Blocking Time)

Value40 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.767

5/100

15%

TTI (Time to Interactive)

Value7.9 s

43/100

10%

Network Requests Diagram

stardc.co.jp

509 ms

reset.css

305 ms

fonts.css

305 ms

clearfix.css

317 ms

common.css

486 ms

Our browser made a total of 82 requests to load all elements on the main page. We found that 60% of them (49 requests) were addressed to the original Stardc.co.jp, 24% (20 requests) were made to Static.xx.fbcdn.net and 5% (4 requests) were made to External.xx.fbcdn.net. The less responsive or slowest element that took the longest time to load (2 sec) belongs to the original domain Stardc.co.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 105.8 kB (14%)

Content Size

742.1 kB

After Optimization

636.2 kB

In fact, the total size of Stardc.co.jp main page is 742.1 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. 65% of websites need less resources to load. Images take 577.2 kB which makes up the majority of the site volume.

HTML Optimization

-72%

Potential reduce by 11.3 kB

  • Original 15.8 kB
  • After minification 14.8 kB
  • After compression 4.4 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 11.3 kB or 72% of the original size.

Image Optimization

-1%

Potential reduce by 3.6 kB

  • Original 577.2 kB
  • After minification 573.6 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. Stardc images are well optimized though.

JavaScript Optimization

-58%

Potential reduce by 72.6 kB

  • Original 126.2 kB
  • After minification 120.7 kB
  • After compression 53.6 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 72.6 kB or 58% of the original size.

CSS Optimization

-80%

Potential reduce by 18.2 kB

  • Original 22.8 kB
  • After minification 18.8 kB
  • After compression 4.6 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. Stardc.co.jp needs all CSS files to be minified and compressed as it can save up to 18.2 kB or 80% of the original size.

Requests Breakdown

Number of requests can be reduced by 39 (48%)

Requests Now

81

After Optimization

42

The browser has sent 81 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Stardc. 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 9 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

stardc.co.jp accessibility score

89

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.

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

Best Practices

stardc.co.jp best practices score

58

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

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

stardc.co.jp SEO score

92

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 doesn't use legible font sizes

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