Access kkdac.co.jp. 管楽器専門店ダク・DAC

name

value

score

weighting

FCP (First Contentful Paint)

Value4.9 s

10/100

10%

LCP (Largest Contentful Paint)

Value29.8 s

0/100

25%

SI (Speed Index)

Value19.4 s

0/100

10%

TBT (Total Blocking Time)

Value3,000 ms

3/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value30.8 s

0/100

10%

kkdac.co.jp

490 ms

www.kkdac.co.jp

3021 ms

bootstrap.min.css

1648 ms

all.css

52 ms

css2

56 ms

Our browser made a total of 85 requests to load all elements on the main page. We found that 74% of them (63 requests) were addressed to the original Kkdac.co.jp, 4% (3 requests) were made to Use.fontawesome.com and 4% (3 requests) were made to Cdnjs.cloudflare.com. The less responsive or slowest element that took the longest time to load (4 sec) belongs to the original domain Kkdac.co.jp.

Content Size

4.4 MB

After Optimization

4.2 MB

In fact, the total size of Kkdac.co.jp main page is 4.4 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. 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 3.9 MB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 142.1 kB

Original 165.9 kB
After minification 140.6 kB
After compression 23.8 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 25.4 kB, which is 15% 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 142.1 kB or 86% of the original size.

Image Optimization

-0%

Potential reduce by 10.8 kB

Original 3.9 MB
After minification 3.9 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. Kk DAC images are well optimized though.

JavaScript Optimization

-17%

Potential reduce by 32.9 kB

Original 196.6 kB
After minification 196.6 kB
After compression 163.8 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 32.9 kB or 17% of the original size.

CSS Optimization

-7%

Potential reduce by 6.6 kB

Original 91.1 kB
After minification 91.1 kB
After compression 84.5 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. Kkdac.co.jp has all CSS files already compressed.

Requests Now

After Optimization

The browser has sent 79 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Kk DAC. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 18 to 1 for JavaScripts and from 9 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

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

High

Image elements do not have [alt] attributes

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 [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

Serves images with low resolution

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

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

High

Image elements do not have [alt] attributes

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

N/A
Encoding

UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Kkdac.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 Kkdac.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

kkdac.co.jp

Open Graph description is not detected on the main page of Kk DAC. 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

管楽器専門店ダク・DAC

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

kkdac.co.jp

www.kkdac.co.jp

bootstrap.min.css

all.css

css2

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

kkdac.co.jp

www.kkdac.co.jp

bootstrap.min.css

all.css

css2

drawer.min.css

swiper.min.css

smartphoto.min.css

jquery-3.3.1.min.js

iscroll.min.js

ajaxzip3.js

style.css

additional.css

js

bootstrap.min.js

drawer.min.js

swiper.min.js

lightcase.js

jquery-smartphoto.min.js

functions.js

viewer.min.js

ofi.js

twitter.png

facebook.png

insta.jpg

youtube.png

japan-tax-free-shop.png

dacapo-pc.png

debut-pc.png

dac-shop-pc.png

rakuten-pc.jpg

yahoo-pc.jpg

logo.jpg

top_main-41.jpg

smapho_top_main-53.jpg

slide01-pc-1-1.jpg

slide01-sp-1-1.jpg

def322caf770ca010da956d8a5a6478b.jpg

34fa42a54a4231863f730edd8afb6f48.jpg

894ea7e3ac437155bb8be293a57616b9-1-290x191.jpg

topics-1-290x191.jpg

topics-290x191.jpg

Thein_triangle-290x191.jpg