Access ds-navi.co.jp. デジタル総合印刷株式会社｜DX時代の印刷はimprintingになる。

name

value

score

weighting

FCP (First Contentful Paint)

Value5.1 s

9/100

10%

LCP (Largest Contentful Paint)

Value23.7 s

0/100

25%

SI (Speed Index)

Value26.3 s

0/100

10%

TBT (Total Blocking Time)

Value890 ms

32/100

30%

CLS (Cumulative Layout Shift)

Value0.01

100/100

15%

TTI (Time to Interactive)

Value29.9 s

0/100

10%

ds-navi.co.jp

1033 ms

www.dps-company.jp

1304 ms

common.css

522 ms

common.css

358 ms

index.css

362 ms

Our browser made a total of 61 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Ds-navi.co.jp, 95% (58 requests) were made to Dps-company.jp and 3% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (2 sec) relates to the external source Dps-company.jp.

Content Size

1.2 MB

After Optimization

561.8 kB

In fact, the total size of Ds-navi.co.jp main page is 1.2 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. 30% of websites need less resources to load. Images take 870.7 kB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 18.2 kB

Original 22.8 kB
After minification 15.8 kB
After compression 4.7 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 7.0 kB, which is 31% 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 18.2 kB or 80% of the original size.

Image Optimization

-44%

Potential reduce by 379.9 kB

Original 870.7 kB
After minification 490.8 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. Obviously, Ds Navi needs image optimization as it can save up to 379.9 kB or 44% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-81%

Potential reduce by 260.9 kB

Original 324.0 kB
After minification 199.8 kB
After compression 63.1 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 260.9 kB or 81% of the original size.

CSS Optimization

-75%

Potential reduce by 9.7 kB

Original 12.9 kB
After minification 9.4 kB
After compression 3.2 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. Ds-navi.co.jp needs all CSS files to be minified and compressed as it can save up to 9.7 kB or 75% of the original size.

Requests Now

After Optimization

The browser has sent 59 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Ds Navi. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 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 experience of reading tabular or list data using assistive technology, like a screen reader.

High

<dl>'s do not contain only properly-ordered <dt> and <dd> groups, <script>, <template> or <div> elements.

High

Definition list items are not wrapped in <dl> elements

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

<frame> or <iframe> elements do not have a title

High

Links do not have a discernible name

These are opportunities to improve the interpretation of your content by users in different locales.

High

<html> element does not have a valid value for its [lang] attribute.

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

Low

Detected JavaScript libraries

High

Page has valid source maps

High

Issues were logged in the Issues panel in Chrome Devtools

Search Engine Optimization Advices

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

High

Links do not have descriptive text

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 Ds-navi.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 Ds-navi.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

ds-navi.co.jp

Open Graph description is not detected on the main page of Ds Navi. 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

デジタル総合印刷株式会社｜DX時代の印刷はimprintingになる。

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

ds-navi.co.jp

www.dps-company.jp

common.css

common.css

index.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

ds-navi.co.jp

www.dps-company.jp

common.css

common.css

index.css

logo.png

ico_toggle.png

keyvisual_A.png

h2_search01.jpg

h3_printing.jpg

btn_item_p01.jpg

btn_item_p02.jpg

btn_item_p03.jpg

btn_item_p04.jpg

h3_development.jpg

btn_item_c04.jpg

btn_item_c07.jpg

btn_item_c02.jpg

btn_item_c06.jpg

btn_item_c03.jpg

btn_item_c01.jpg

h2_search02.jpg

btn_trade01.jpg

btn_trade02.jpg

btn_trade03.jpg

btn_trade04.jpg

btn_trade05.jpg

btn_trade06.jpg

btn_trade07.jpg

btn_trade08.jpg

btn_trade09.jpg

btn_trade10.jpg

btn_trade11.jpg

h2_news.jpg

jquery-1.9.1.js

script.js

h4_contact.jpg

btn_contact.jpg

bnr_printing.jpg

bnr_development.jpg

bnr_3d.jpg

reset.css

bnr_ccss.jpg