Report Summary

  • 24

    Performance

    Renders faster than
    43% of other websites

  • 87

    Accessibility

    Visual factors better than
    that of 66% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

kencorp.co.jp

ケン・コーポレーション グループ | 東京・横浜の高級賃貸マンション・高級住宅の賃貸・売買・管理と賃貸オフィスの仲介ならKEN

Page Load Speed

5.1 sec in total

First Response

357 ms

Resources Loaded

4.2 sec

Page Rendered

622 ms

kencorp.co.jp screenshot

About Website

Click here to check amazing Kencorp content for Japan. Otherwise, check out these important facts you probably never knew about kencorp.co.jp

高級賃貸・高級住宅仲介を中心とする総合不動産会社、ケン・コーポレーションの公式サイトです。東京・横浜の賃貸、売買、オフィス賃貸、事業用不動産の検索とサービス内容をご紹介。土地の有効活用の企画、英語対応が必要な外資系外国人や東京への転勤者向けの社宅仲介も行っております。そのほか、ケン・コーポレーション グループとしてホテル事業・太陽光発電事業・エンターテイメント等の文化事業を手掛けています。

Visit kencorp.co.jp

Key Findings

We analyzed Kencorp.co.jp page load time and found that the first response time was 357 ms and then it took 4.8 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

kencorp.co.jp performance score

24

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.8 s

26/100

10%

LCP (Largest Contentful Paint)

Value11.1 s

0/100

25%

SI (Speed Index)

Value6.4 s

40/100

10%

TBT (Total Blocking Time)

Value2,290 ms

5/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value16.3 s

5/100

10%

Network Requests Diagram

kencorp.co.jp

357 ms

www.kencorp.co.jp

885 ms

style.css

20 ms

builder.js

279 ms

jquery-3.1.1.min.js

11 ms

Our browser made a total of 100 requests to load all elements on the main page. We found that 58% of them (58 requests) were addressed to the original Kencorp.co.jp, 5% (5 requests) were made to Googletagmanager.com and 3% (3 requests) were made to Clarity.ms. The less responsive or slowest element that took the longest time to load (885 ms) belongs to the original domain Kencorp.co.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 220.6 kB (11%)

Content Size

2.1 MB

After Optimization

1.8 MB

In fact, the total size of Kencorp.co.jp main page is 2.1 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. 80% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 1.4 MB which makes up the majority of the site volume.

HTML Optimization

-88%

Potential reduce by 92.4 kB

  • Original 105.2 kB
  • After minification 74.4 kB
  • After compression 12.8 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 30.8 kB, which is 29% 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 92.4 kB or 88% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 1.4 MB
  • After minification 1.4 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. Kencorp images are well optimized though.

JavaScript Optimization

-26%

Potential reduce by 105.9 kB

  • Original 400.5 kB
  • After minification 400.5 kB
  • After compression 294.6 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 105.9 kB or 26% of the original size.

CSS Optimization

-12%

Potential reduce by 22.3 kB

  • Original 180.8 kB
  • After minification 180.8 kB
  • After compression 158.5 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. Kencorp.co.jp needs all CSS files to be minified and compressed as it can save up to 22.3 kB or 12% of the original size.

Requests Breakdown

Number of requests can be reduced by 50 (56%)

Requests Now

90

After Optimization

40

The browser has sent 90 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Kencorp. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 32 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

kencorp.co.jp accessibility score

87

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

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>).

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

Best Practices

kencorp.co.jp best practices score

75

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

Browser errors were logged to the console

SEO Factors

kencorp.co.jp SEO score

92

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

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

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Kencorp.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 Kencorp.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 description is not detected on the main page of Kencorp. 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: