Access gs-battery.com.tw. GS BATTERY台灣杰士電池，高品質的實踐者。傳承自日本細膩嚴謹的實踐精神，以最高品質不斷超越自我。不僅讓電池成為最精良穩定的配備，更發揮極致的核心動能。

name

value

score

weighting

FCP (First Contentful Paint)

Value4.6 s

14/100

10%

LCP (Largest Contentful Paint)

Value9.8 s

0/100

25%

SI (Speed Index)

Value12.2 s

3/100

10%

TBT (Total Blocking Time)

Value540 ms

55/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value12.9 s

13/100

10%

gs-battery.com.tw

874 ms

gs-battery.com.tw

1242 ms

in.css

609 ms

js-image-slider.css

609 ms

js-image-slider.js

813 ms

Our browser made a total of 67 requests to load all elements on the main page. We found that 64% of them (43 requests) were addressed to the original Gs-battery.com.tw, 21% (14 requests) were made to Static.xx.fbcdn.net and 3% (2 requests) were made to Connect.facebook.net. The less responsive or slowest element that took the longest time to load (1.6 sec) belongs to the original domain Gs-battery.com.tw.

Content Size

1.3 MB

After Optimization

1.1 MB

In fact, the total size of Gs-battery.com.tw main page is 1.3 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. 55% of websites need less resources to load. Images take 1.1 MB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 49.5 kB

Original 59.3 kB
After minification 47.5 kB
After compression 9.8 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 11.9 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 49.5 kB or 84% of the original size.

Image Optimization

-8%

Potential reduce by 92.1 kB

Original 1.1 MB
After minification 1.0 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. GS Battery images are well optimized though.

JavaScript Optimization

-68%

Potential reduce by 63.3 kB

Original 93.3 kB
After minification 87.5 kB
After compression 30.0 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 63.3 kB or 68% of the original size.

CSS Optimization

-80%

Potential reduce by 9.7 kB

Original 12.2 kB
After minification 9.5 kB
After compression 2.5 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. Gs-battery.com.tw needs all CSS files to be minified and compressed as it can save up to 9.7 kB or 80% of the original size.

Requests Now

After Optimization

The browser has sent 63 CSS, Javascripts, AJAX and image requests in order to completely render the main page of GS Battery. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 20 to 1 for JavaScripts and from 6 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 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

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

High

Serves images with low resolution

High

Browser errors were logged to the console

High

Issues were logged in the Issues panel in Chrome Devtools

Search Engine Optimization Advices

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

ZH
Language Claimed

N/A
Encoding

UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Gs-battery.com.tw can be misinterpreted by Google and other search engines. Our service has detected that Chinese 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 Gs-battery.com.tw 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 GS Battery. 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

GS BATTERY台灣杰士電池 ，高品質的實踐者。傳承自日本細膩嚴謹的實踐精神，以最高品質不斷超越自我。不僅讓電池成為最精良穩定的配備，更發揮極致的核心動能。

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

gs-battery.com.tw

gs-battery.com.tw

in.css

js-image-slider.css

js-image-slider.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

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Accessibility Review

Accessibility Issues

Best Practices

Areas of Improvement

SEO Factors

Search Engine Optimization Advices

Language and Encoding

Language Detected

Language Claimed

Encoding

Social Sharing Optimization

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GS BATTERY台灣杰士電池，高品質的實踐者。傳承自日本細膩嚴謹的實踐精神，以最高品質不斷超越自我。不僅讓電池成為最精良穩定的配備，更發揮極致的核心動能。