Access speedstar.jp. オートバイタイヤ専門店　speed☆star　スピードスター

name

value

score

weighting

FCP (First Contentful Paint)

Value3.5 s

35/100

10%

LCP (Largest Contentful Paint)

Value5.9 s

13/100

25%

SI (Speed Index)

Value6.6 s

37/100

10%

TBT (Total Blocking Time)

Value20 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value4.7 s

80/100

10%

speedstar.jp

2142 ms

import.css

348 ms

css.js

522 ms

navi.js

361 ms

win_op.js

371 ms

Our browser made a total of 77 requests to load all elements on the main page. We found that 97% of them (75 requests) were addressed to the original Speedstar.jp, 3% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (2.1 sec) belongs to the original domain Speedstar.jp.

Content Size

1.1 MB

After Optimization

919.2 kB

In fact, the total size of Speedstar.jp main page is 1.1 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. 45% of websites need less resources to load. Images take 907.0 kB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 28.6 kB

Original 33.3 kB
After minification 17.9 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 15.4 kB, which is 46% 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 28.6 kB or 86% of the original size.

Image Optimization

-5%

Potential reduce by 46.5 kB

Original 907.0 kB
After minification 860.6 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. Speed Star images are well optimized though.

JavaScript Optimization

-59%

Potential reduce by 63.4 kB

Original 108.2 kB
After minification 100.1 kB
After compression 44.7 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 63.4 kB or 59% of the original size.

CSS Optimization

-84%

Potential reduce by 49.1 kB

Original 58.2 kB
After minification 35.9 kB
After compression 9.2 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. Speedstar.jp needs all CSS files to be minified and compressed as it can save up to 49.1 kB or 84% of the original size.

Requests Now

After Optimization

The browser has sent 76 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Speed Star. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and from 10 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.

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

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

High

Document uses plugins

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 Speedstar.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 Speedstar.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

speedstar.jp

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

オートバイタイヤ専門店 speed☆star スピードスター

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

speedstar.jp

import.css

css.js

navi.js

win_op.js

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

speedstar.jp

import.css

css.js

navi.js

win_op.js

site.js

jquery-1.4.2.min.js

reset.css

common.css

contents.css

table.css

bloc.css

bloc_alpha.css

popup.css

style.css

print.css

head_bg.gif

headlogo.png

logo.gif

search_btn.gif

head_add.gif

gNav.gif

reNav.gif

reNav01.png

reNav02.png

main_k.png

virgin_bnr01.gif

virgin_bnr02.gif

virgin_bnr03.gif

news_ttl.gif

news_star.gif

ttl_brand.gif

brand_pirelli.gif

brand_michelin.gif

brand_metzeler.gif

brand_avon.gif

brand_continental.gif

brand_bridgestone.gif

brand_dunlop.gif

brand_irc.gif

brand_heidenau.gif

brand_shinko.gif

brand_others.png

オートバイタイヤ専門店　speed☆star　スピードスター