Access acdelco-japan.jp. ACDelco Japan

name

value

score

weighting

FCP (First Contentful Paint)

Value6.0 s

3/100

10%

LCP (Largest Contentful Paint)

Value16.7 s

0/100

25%

SI (Speed Index)

Value10.9 s

6/100

10%

TBT (Total Blocking Time)

Value490 ms

58/100

30%

CLS (Cumulative Layout Shift)

Value1.247

1/100

15%

TTI (Time to Interactive)

Value16.6 s

5/100

10%

acdelco-japan.jp

694 ms

www.acdelco-japan.jp

1202 ms

analytics.js

16 ms

jquery-3.5.0.min.js

838 ms

slick.css

508 ms

Our browser made a total of 86 requests to load all elements on the main page. We found that 88% of them (76 requests) were addressed to the original Acdelco-japan.jp, 7% (6 requests) were made to Fonts.gstatic.com and 2% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (2.3 sec) belongs to the original domain Acdelco-japan.jp.

Content Size

3.9 MB

After Optimization

3.7 MB

In fact, the total size of Acdelco-japan.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. 50% of websites need less resources to load. Images take 3.6 MB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 32.9 kB

Original 39.5 kB
After minification 34.3 kB
After compression 6.6 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 5.2 kB, which is 13% 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 32.9 kB or 83% of the original size.

Image Optimization

-0%

Potential reduce by 2.0 kB

Original 3.6 MB
After minification 3.6 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. ACDelco Japan images are well optimized though.

JavaScript Optimization

-59%

Potential reduce by 90.8 kB

Original 153.3 kB
After minification 153.3 kB
After compression 62.5 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 90.8 kB or 59% of the original size.

CSS Optimization

-84%

Potential reduce by 100.5 kB

Original 120.0 kB
After minification 106.6 kB
After compression 19.5 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. Acdelco-japan.jp needs all CSS files to be minified and compressed as it can save up to 100.5 kB or 84% of the original size.

Requests Now

After Optimization

The browser has sent 78 CSS, Javascripts, AJAX and image requests in order to completely render the main page of ACDelco Japan. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 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 usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

High

[aria-hidden="true"] elements contain focusable descendents

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 keyboard navigation in your application.

High

Heading elements are not in a sequentially-descending order

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

Links do not have a discernible name

Areas of Improvement

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

High

Displays images with incorrect aspect ratio

Low

Detected JavaScript libraries

Search Engine Optimization Advices

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 Acdelco-japan.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 Acdelco-japan.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

acdelco-japan.jp

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

ACDelco Japan

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

acdelco-japan.jp

www.acdelco-japan.jp

analytics.js

jquery-3.5.0.min.js

slick.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

acdelco-japan.jp

www.acdelco-japan.jp

analytics.js

jquery-3.5.0.min.js

slick.css

slick-theme.css

screen.css

collect

js

slick.min.js

screen_pc.css

logo.svg

home_key_pic.jpg

home_key_pic02.jpg

home_key_pic03.jpg

home_key_pic04.jpg

home_bnr_premiumgold.jpg

home_bnr_kids.jpg

home_bnr_custom-en.jpg

home_bnr_euro-next.jpg

home_bnr_euro-next-is.jpg

home_bnr_ATFFluidGET2PLUS.jpg

home_bnr_battery-info.jpg

home_bnr_platinum-hv.jpg

home_bnr_marine.jpg

slide_arrow_next.png

slide_arrow_prev.png

title_logo.svg

thumbs.jpg

04.svg

02.svg

thumbs.jpg

03.svg

thumbs.jpg

thumbs.jpg

thumbs.jpg

01.svg

thumbs.jpg

thumbs.jpg

thumbs.jpg

thumbs.jpg

thumbs.jpg

05.svg