Access kensetsu-shizai.com. 建設土木資材.com - フレコンバック・敷鉄板・ブルーシート・鉄コンテナ

name

value

score

weighting

FCP (First Contentful Paint)

Value8.1 s

0/100

10%

LCP (Largest Contentful Paint)

Value11.6 s

0/100

25%

SI (Speed Index)

Value18.8 s

0/100

10%

TBT (Total Blocking Time)

Value520 ms

56/100

30%

CLS (Cumulative Layout Shift)

Value0.25

49/100

15%

TTI (Time to Interactive)

Value16.1 s

6/100

10%

kensetsu-shizai.com

531 ms

kensetsu-shizai.com

688 ms

www.kensetsu-shizai.com

2407 ms

import.css

332 ms

css.js

501 ms

Our browser made a total of 139 requests to load all elements on the main page. We found that 48% of them (67 requests) were addressed to the original Kensetsu-shizai.com, 37% (52 requests) were made to D25le42s0o73x7.cloudfront.net and 2% (3 requests) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (3.2 sec) relates to the external source D25le42s0o73x7.cloudfront.net.

Content Size

3.6 MB

After Optimization

3.0 MB

In fact, the total size of Kensetsu-shizai.com main page is 3.6 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. 65% of websites need less resources to load. Images take 3.3 MB which makes up the majority of the site volume.

HTML Optimization

-92%

Potential reduce by 163.4 kB

Original 178.3 kB
After minification 74.8 kB
After compression 14.9 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 103.6 kB, which is 58% 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 163.4 kB or 92% of the original size.

Image Optimization

-11%

Potential reduce by 358.0 kB

Original 3.3 MB
After minification 2.9 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. Obviously, Kensetsu Shizai needs image optimization as it can save up to 358.0 kB or 11% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-43%

Potential reduce by 69.7 kB

Original 162.2 kB
After minification 162.1 kB
After compression 92.5 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 69.7 kB or 43% of the original size.

Requests Now

136

After Optimization

The browser has sent 136 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Kensetsu Shizai. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 25 to 1 for JavaScripts and from 20 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

These are opportunities to improve the legibility of your content.

High

Background and foreground colors do not have a sufficient contrast ratio.

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.

High

Image elements do not have [alt] attributes

Areas of Improvement

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

High

Displays images with incorrect aspect ratio

High

Serves images with low resolution

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Issues were logged in the Issues panel in Chrome Devtools

Search Engine Optimization Advices

To appear in search results, crawlers need access to your app.

High

Links are not crawlable

Format your HTML in a way that enables crawlers to better understand your app’s content.

High

Image elements do not have [alt] attributes

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/).

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 Kensetsu-shizai.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 Kensetsu-shizai.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

kensetsu-shizai.com

Open Graph description is not detected on the main page of Kensetsu Shizai. 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:

Report Summary

Performance

Accessibility

Best Practices

SEO

建設土木資材.com - フレコンバック・敷鉄板・ブルーシート・鉄コンテナ

Page Load Speed

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Measured Metrics

FCP (First Contentful Paint)

LCP (Largest Contentful Paint)

SI (Speed Index)

TBT (Total Blocking Time)

CLS (Cumulative Layout Shift)

TTI (Time to Interactive)

Network Requests Diagram

kensetsu-shizai.com

kensetsu-shizai.com

www.kensetsu-shizai.com

import.css

css.js

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Image Optimization

JavaScript Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

kensetsu-shizai.com

kensetsu-shizai.com

www.kensetsu-shizai.com

import.css

css.js

navi.js

win_op.js

jquery-1.7.1.min.js

site.js

js

js

jquery.nivo.slider.pack.js

nivo-slider.css

default.css

top_slider.css

RankingSalesC.css

HistoryList.css

style_pc.css

jquery-ui_submit.js

top_slider_script.js

slick.css

slick-theme.css

slick.min.js

conversion.js

s_retargeting.js

base.js

conversion.js

js

reset.css

common.css

style.css

contents.css

table.css

bloc.css

bloc_alpha.css

popup.css

common_shizai.css

print.css

jquery-ui.css

uh.js

bat.js

analytics.js

hd_contact_btn.jpg

bk_head.png