Access crest-con.co.jp. 本当に使えるマニュアル作成ならクレストコンサルティングへ

name

value

score

weighting

FCP (First Contentful Paint)

Value7.2 s

1/100

10%

LCP (Largest Contentful Paint)

Value20.7 s

0/100

25%

SI (Speed Index)

Value17.6 s

0/100

10%

TBT (Total Blocking Time)

Value180 ms

92/100

30%

CLS (Cumulative Layout Shift)

Value1.121

1/100

15%

TTI (Time to Interactive)

Value21.7 s

1/100

10%

crest-con.co.jp

537 ms

master.css

177 ms

jquery.js

509 ms

jquery.newwin.js

343 ms

default.css

176 ms

Our browser made a total of 59 requests to load all elements on the main page. We found that 97% of them (57 requests) were addressed to the original Crest-con.co.jp, 3% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.3 sec) belongs to the original domain Crest-con.co.jp.

Content Size

252.4 kB

After Optimization

152.0 kB

In fact, the total size of Crest-con.co.jp main page is 252.4 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. 25% of websites need less resources to load. Images take 121.2 kB which makes up the majority of the site volume.

HTML Optimization

-74%

Potential reduce by 8.8 kB

Original 11.8 kB
After minification 9.5 kB
After compression 3.0 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 2.3 kB, which is 19% 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 8.8 kB or 74% of the original size.

Image Optimization

-12%

Potential reduce by 14.6 kB

Original 121.2 kB
After minification 106.7 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. Obviously, Crest Con needs image optimization as it can save up to 14.6 kB or 12% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-32%

Potential reduce by 15.8 kB

Original 48.6 kB
After minification 48.3 kB
After compression 32.8 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 15.8 kB or 32% of the original size.

CSS Optimization

-87%

Potential reduce by 61.3 kB

Original 70.8 kB
After minification 51.9 kB
After compression 9.5 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. Crest-con.co.jp needs all CSS files to be minified and compressed as it can save up to 61.3 kB or 87% of the original size.

Requests Now

After Optimization

The browser has sent 58 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Crest Con. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

High

[aria-hidden="true"] elements contain focusable descendents

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

Links do not have a discernible name

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

Low

Detected JavaScript libraries

High

Page has valid source maps

Search Engine Optimization Advices

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

High

Links are not crawlable

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 Crest-con.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 Crest-con.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

crest-con.co.jp

Open Graph description is not detected on the main page of Crest Con. 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

本当に使えるマニュアル作成ならクレストコンサルティングへ

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

crest-con.co.jp

master.css

jquery.js

jquery.newwin.js

default.css

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Image Optimization

JavaScript Optimization

CSS Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

crest-con.co.jp

master.css

jquery.js

jquery.newwin.js

default.css

layout.css

common.css

contents.css

links.css

shadow.css

header_bg.gif

logo.gif

gNav_bg.gif

gNav_over.gif

gNav_home.gif

gNav_manual.gif

gNav_consulting.gif

gNav_enterprise.gif

gNav_recruit.gif

top_main.jpg

information_title.gif

link_infoList.gif

icn_info.gif

manual_bg.gif

manual_title.gif

manualNav_over.gif

manualNav_why.gif

manualNav_service.gif

manualNav_feature.gif

manualNav_efficacy.gif

manualNav_estimate.gif

operation_image.jpg

operation_title.gif

arrow_green.gif

business_image.jpg

business_title.gif

arrow_orange.gif

etcService_title.gif

arrow_blue.gif

utility_bg.gif

btn_material_over.jpg

btn_material.jpg

btn_hitorigoto_over.jpg