Access mycomkits.com. マイコンキットと電子工作キットの通販ショップ

name

value

score

weighting

FCP (First Contentful Paint)

Value3.8 s

27/100

10%

LCP (Largest Contentful Paint)

Value4.6 s

36/100

25%

SI (Speed Index)

Value6.5 s

39/100

10%

TBT (Total Blocking Time)

Value490 ms

59/100

30%

CLS (Cumulative Layout Shift)

Value0.137

79/100

15%

TTI (Time to Interactive)

Value8.4 s

39/100

10%

mycomkits.com

609 ms

index.html

714 ms

default.css

462 ms

conversion.js

18 ms

header_4.jpg

191 ms

Our browser made a total of 115 requests to load all elements on the main page. We found that 38% of them (44 requests) were addressed to the original Mycomkits.com, 58% (67 requests) were made to Image1.shopserve.jp and 1% (1 request) were made to Googleadservices.com. The less responsive or slowest element that took the longest time to load (6.6 sec) relates to the external source Image1.shopserve.jp.

Content Size

1.6 MB

After Optimization

1.3 MB

In fact, the total size of Mycomkits.com main page is 1.6 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. 25% of websites need less resources to load. Images take 1.5 MB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 59.5 kB

Original 70.1 kB
After minification 56.2 kB
After compression 10.6 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 13.9 kB, which is 20% 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 59.5 kB or 85% of the original size.

Image Optimization

-14%

Potential reduce by 210.2 kB

Original 1.5 MB
After minification 1.3 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, Mycomkits needs image optimization as it can save up to 210.2 kB or 14% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-63%

Potential reduce by 36.5 kB

Original 58.2 kB
After minification 58.2 kB
After compression 21.7 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 36.5 kB or 63% of the original size.

CSS Optimization

-86%

Potential reduce by 22.9 kB

Original 26.5 kB
After minification 16.2 kB
After compression 3.6 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. Mycomkits.com needs all CSS files to be minified and compressed as it can save up to 22.9 kB or 86% of the original size.

Requests Now

After Optimization

The browser has sent 83 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Mycomkits. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests 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 interpretation of your content by users in different locales.

High

<html> element does not have a [lang] attribute

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

High

Form elements do not have associated labels

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

High

Serves images with low resolution

Low

Detected JavaScript libraries

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

Language and Encoding

Language Detected

JA
Language Claimed

N/A
Encoding

EUC-JP

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Mycomkits.com 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 Mycomkits.com main page’s claimed encoding is euc-jp. 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

mycomkits.com

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

マイコンキットと電子工作キットの通販ショップ

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

mycomkits.com

index.html

default.css

conversion.js

header_4.jpg

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

mycomkits.com

index.html

default.css

conversion.js

header_4.jpg

MK326seisakurei1.jpg

body_img.gif

icon_pickup.gif

icon_new.gif

footer_shopping4.jpg

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