Tools & Wizards About Us

Report Summary

  • 26

    Performance

    Renders faster than
    45% of other websites

  • 60

    Accessibility

    Visual factors better than
    that of 26% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 85

    SEO

    Google-friendlier than
    55% of websites

joycosmo.com

神楽坂の不動産情報を探すなら創業36年のコスモ都市開発

Page Load Speed

9.3 sec in total

First Response

369 ms

Resources Loaded

6 sec

Page Rendered

2.9 sec

About Website

Welcome to joycosmo.com homepage info - get ready to check Joycosmo best content right away, or after learning these important things about joycosmo.com

神楽坂の不動産情報をお探しなら創業36年のコスモ都市開発へ。弊社では、神楽坂での住まい探しのサポートをはじめ、全国から集まる出店希望のテナント様のご紹介や土地の有効活用、相続税対策等、神楽坂に物件をお持ちのオーナー様をサポートしております。

Visit joycosmo.com

Key Findings

We analyzed Joycosmo.com page load time and found that the first response time was 369 ms and then it took 9 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.

Performance Metrics

joycosmo.com performance score

26

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value7.4 s

1/100

10%

LCP (Largest Contentful Paint)

Value14.6 s

0/100

25%

SI (Speed Index)

Value11.0 s

6/100

10%

TBT (Total Blocking Time)

Value410 ms

67/100

30%

CLS (Cumulative Layout Shift)

Value0.388

26/100

15%

TTI (Time to Interactive)

Value12.0 s

16/100

10%

Network Requests Diagram

joycosmo.com

369 ms

joycosmo.com

674 ms

www.joycosmo.com

335 ms

www.joycosmo.com

913 ms

common.css

184 ms

Our browser made a total of 90 requests to load all elements on the main page. We found that 64% of them (58 requests) were addressed to the original Joycosmo.com, 12% (11 requests) were made to Fonts.gstatic.com and 8% (7 requests) were made to Lab3cdn.ielove.jp. The less responsive or slowest element that took the longest time to load (3 sec) belongs to the original domain Joycosmo.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 313.6 kB (1%)

Content Size

27.4 MB

After Optimization

27.1 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Joycosmo.com main page is 27.4 MB. 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 a small number of websites need less resources to load. Images take 27.2 MB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 75.4 kB

  • Original 87.7 kB
  • After minification 59.2 kB
  • After compression 12.4 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. This page needs HTML code to be minified as it can gain 28.6 kB, which is 33% 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 75.4 kB or 86% of the original size.

Image Optimization

-1%

Potential reduce by 168.9 kB

  • Original 27.2 MB
  • After minification 27.1 MB

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. Joycosmo images are well optimized though.

JavaScript Optimization

-62%

Potential reduce by 67.1 kB

  • Original 108.3 kB
  • After minification 108.3 kB
  • After compression 41.1 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 67.1 kB or 62% of the original size.

CSS Optimization

-27%

Potential reduce by 2.1 kB

  • Original 7.9 kB
  • After minification 7.4 kB
  • After compression 5.7 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. Joycosmo.com needs all CSS files to be minified and compressed as it can save up to 2.1 kB or 27% of the original size.

Requests Breakdown

Number of requests can be reduced by 28 (37%)

Requests Now

75

After Optimization

47

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 75 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Joycosmo. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 20 to 1 for JavaScripts and from 10 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

joycosmo.com accessibility score

60

Accessibility Issues

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

Buttons do not have an accessible name

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

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.

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

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

joycosmo.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

SEO Factors

joycosmo.com SEO score

85

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

High

Tap targets are not sized appropriately

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