Tools & Wizards About Us

Report Summary

  • 25

    Performance

    Renders faster than
    44% of other websites

  • 66

    Accessibility

    Visual factors better than
    that of 31% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 76

    SEO

    Google-friendlier than
    35% of websites

batterywebcom.jp

自動車バイク バッテリーの専門店 信頼と安心で買うなら｜バッテリーウェブコム｜BATTERYWEBCOM

Page Load Speed

8.7 sec in total

First Response

839 ms

Resources Loaded

6.7 sec

Page Rendered

1.2 sec

About Website

Click here to check amazing BATTERYWEBCOM content for Japan. Otherwise, check out these important facts you probably never knew about batterywebcom.jp

バイク自動車バッテリーの専門販売店。業界No.1クラスの激安＆品揃え,最短即日のスピード発送！BOSCH パナソニック 古河 ジーエスユアサ 日立などバッテリー充電 器を信頼と安心で買うならバッテリーウェブコム

Visit batterywebcom.jp

Key Findings

We analyzed Batterywebcom.jp page load time and found that the first response time was 839 ms and then it took 7.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.

Performance Metrics

batterywebcom.jp performance score

25

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.6 s

5/100

10%

LCP (Largest Contentful Paint)

Value15.2 s

0/100

25%

SI (Speed Index)

Value5.8 s

49/100

10%

TBT (Total Blocking Time)

Value510 ms

57/100

30%

CLS (Cumulative Layout Shift)

Value0.825

4/100

15%

TTI (Time to Interactive)

Value11.6 s

18/100

10%

Network Requests Diagram

batterywebcom.jp

839 ms

sps_common.css

330 ms

default.css

665 ms

jquery.min.js

20 ms

floating_menu.js

497 ms

Our browser made a total of 217 requests to load all elements on the main page. We found that 42% of them (91 requests) were addressed to the original Batterywebcom.jp, 39% (85 requests) were made to Image1.shopserve.jp and 8% (18 requests) were made to Item-shopping.c.yimg.jp. The less responsive or slowest element that took the longest time to load (2.5 sec) relates to the external source Image1.shopserve.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 277.4 kB (7%)

Content Size

3.9 MB

After Optimization

3.6 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Batterywebcom.jp main page is 3.9 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. 65% of websites need less resources to load. Images take 3.5 MB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 132.1 kB

  • Original 158.8 kB
  • After minification 132.8 kB
  • After compression 26.7 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 26.0 kB, which is 16% 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 132.1 kB or 83% of the original size.

Image Optimization

-1%

Potential reduce by 36.2 kB

  • Original 3.5 MB
  • After minification 3.4 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. BATTERYWEBCOM images are well optimized though.

JavaScript Optimization

-49%

Potential reduce by 105.8 kB

  • Original 215.3 kB
  • After minification 214.0 kB
  • After compression 109.5 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 105.8 kB or 49% of the original size.

CSS Optimization

-37%

Potential reduce by 3.2 kB

  • Original 8.7 kB
  • After minification 8.7 kB
  • After compression 5.5 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. Batterywebcom.jp needs all CSS files to be minified and compressed as it can save up to 3.2 kB or 37% of the original size.

Requests Breakdown

Number of requests can be reduced by 33 (15%)

Requests Now

216

After Optimization

183

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 216 CSS, Javascripts, AJAX and image requests in order to completely render the main page of BATTERYWEBCOM. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 15 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

batterywebcom.jp accessibility score

66

Accessibility Issues

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

Background and foreground colors do not have a sufficient contrast ratio.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

[id] attributes on active, focusable elements are not unique

Names and labels

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.

Impact

Issue

High

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

High

Links do not have a discernible name

Best Practices

batterywebcom.jp best practices score

67

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

batterywebcom.jp SEO score

76

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

Content Best Practices

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

Impact

Issue

High

Image elements do not have [alt] attributes

Mobile Friendly

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/).

Impact

Issue

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 Batterywebcom.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 Batterywebcom.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

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