Access kempa.jp. Kempa(ケンパ) 海外スポーツ用品専門ショップ melis

name

value

score

weighting

FCP (First Contentful Paint)

Value5.8 s

4/100

10%

LCP (Largest Contentful Paint)

Value6.3 s

10/100

25%

SI (Speed Index)

Value13.9 s

1/100

10%

TBT (Total Blocking Time)

Value650 ms

46/100

30%

CLS (Cumulative Layout Shift)

Value0.069

96/100

15%

TTI (Time to Interactive)

Value12.1 s

16/100

10%

kempa.jp

886 ms

reset.css

347 ms

layout.css

385 ms

style.css

587 ms

ex.css

403 ms

Our browser made a total of 69 requests to load all elements on the main page. We found that 55% of them (38 requests) were addressed to the original Kempa.jp, 29% (20 requests) were made to Static.xx.fbcdn.net and 10% (7 requests) were made to Scontent.xx.fbcdn.net. The less responsive or slowest element that took the longest time to load (1.8 sec) belongs to the original domain Kempa.jp.

Content Size

1.2 MB

After Optimization

1.1 MB

In fact, the total size of Kempa.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. 60% of websites need less resources to load. Images take 1.0 MB which makes up the majority of the site volume.

HTML Optimization

-74%

Potential reduce by 13.2 kB

Original 17.8 kB
After minification 14.9 kB
After compression 4.6 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 3.0 kB, which is 17% 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 13.2 kB or 74% of the original size.

Image Optimization

-1%

Potential reduce by 14.9 kB

Original 1.0 MB
After minification 988.0 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. Kempa images are well optimized though.

JavaScript Optimization

-64%

Potential reduce by 97.5 kB

Original 151.2 kB
After minification 132.9 kB
After compression 53.7 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 97.5 kB or 64% of the original size.

CSS Optimization

-80%

Potential reduce by 23.6 kB

Original 29.4 kB
After minification 23.9 kB
After compression 5.8 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. Kempa.jp needs all CSS files to be minified and compressed as it can save up to 23.6 kB or 80% of the original size.

Requests Now

After Optimization

The browser has sent 68 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Kempa. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 21 to 1 for JavaScripts and from 12 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

Form elements do not have associated labels

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

These items highlight common accessibility best practices.

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

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

Missing source maps for large first-party JavaScript

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 Kempa.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 Kempa.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

kempa.jp

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

Kempa(ケンパ) 海外スポーツ用品専門ショップ melis

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

kempa.jp

reset.css

layout.css

style.css

ex.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

kempa.jp

reset.css

layout.css

style.css

ex.css

maxheight.js

jquery-1.4.2.min.js

jquery.faded.js

jquery.jqtransform.js

script.js

rollover.js

svwp_style.css

jquery.slideViewerPro.1.0.js

jquery.timers-1.2.js

zoombox.css

zoombox.js

css

catarog.png

tryon.png

kempa_body.jpg

logo.png

space.png

main_vidual_bg.jpg

04.jpg

02.jpg

05.jpg

intro_lead.png

png.png

btn-topics-list.png

title-img-fb.png

marker.gif

kempa-logo.png

hrt-img.png

line-ver.gif

arrow_top.png

ga.js

svwloader.gif

__utm.gif

likebox.php

IWXAbM4pe57.css

whsuYM0JyRK.css

mJ3scex-8ho.css

eXhc6OJ3pgj.css