Report Summary

  • 100

    Performance

    Renders faster than
    97% of other websites

  • 91

    Accessibility

    Visual factors better than
    that of 77% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 67

    SEO

    Google-friendlier than
    25% of websites

kentsu.co.jp

建設ニュース 入札情報の建通新聞社

Page Load Speed

10 sec in total

First Response

2.5 sec

Resources Loaded

7 sec

Page Rendered

500 ms

kentsu.co.jp screenshot

About Website

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

建設業界の建設工事ニュース、入札情報、全国の建設会社の動向などの情報を建通新聞、電子版、スマホ、メール配信でお届け。東京、神奈川、静岡、中部、大阪、岡山、四国を網羅。お試しあります。

Visit kentsu.co.jp

Key Findings

We analyzed Kentsu.co.jp page load time and found that the first response time was 2.5 sec and then it took 7.5 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

kentsu.co.jp performance score

100

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value0.6 s

100/100

10%

LCP (Largest Contentful Paint)

Value1.2 s

100/100

25%

SI (Speed Index)

Value1.0 s

100/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value0.6 s

100/100

10%

Network Requests Diagram

kentsu.co.jp

2507 ms

style.css

652 ms

top.css

715 ms

jquery-1.5.2.min.js

1290 ms

jquery_plugins.js

379 ms

Our browser made a total of 198 requests to load all elements on the main page. We found that 58% of them (115 requests) were addressed to the original Kentsu.co.jp, 7% (13 requests) were made to Aladdin.genieesspv.jp and 5% (10 requests) were made to Static.xx.fbcdn.net. The less responsive or slowest element that took the longest time to load (2.6 sec) belongs to the original domain Kentsu.co.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 610.8 kB (45%)

Content Size

1.4 MB

After Optimization

746.3 kB

In fact, the total size of Kentsu.co.jp main page is 1.4 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. 55% of websites need less resources to load. Images take 577.2 kB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 84.2 kB

  • Original 111.5 kB
  • After minification 108.6 kB
  • After compression 27.2 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 84.2 kB or 76% of the original size.

Image Optimization

-8%

Potential reduce by 46.4 kB

  • Original 577.2 kB
  • After minification 530.8 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. Kentsu images are well optimized though.

JavaScript Optimization

-69%

Potential reduce by 383.3 kB

  • Original 555.0 kB
  • After minification 518.3 kB
  • After compression 171.7 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 383.3 kB or 69% of the original size.

CSS Optimization

-85%

Potential reduce by 96.8 kB

  • Original 113.5 kB
  • After minification 80.9 kB
  • After compression 16.6 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. Kentsu.co.jp needs all CSS files to be minified and compressed as it can save up to 96.8 kB or 85% of the original size.

Requests Breakdown

Number of requests can be reduced by 95 (52%)

Requests Now

184

After Optimization

89

The browser has sent 184 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Kentsu. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 38 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

kentsu.co.jp accessibility score

91

Accessibility Issues

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

kentsu.co.jp best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

SEO Factors

kentsu.co.jp SEO score

67

Search Engine Optimization Advices

Language and Encoding

  • Language Detected

    JA

  • Language Claimed

    JA

  • Encoding

    SHIFT_JIS

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Kentsu.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 Kentsu.co.jp 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 Kentsu. 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: