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jcool.com.tw screenshot

Report Summary

  • 65

    Performance

    Renders faster than
    79% of other websites

  • 50

    Accessibility

    Visual factors better than
    that of 20% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 69

    SEO

    Google-friendlier than
    28% of websites

jcool.com.tw

勝圓興茂有限公司::JCOOL Company

Page Load Speed

7.8 sec in total

First Response

737 ms

Resources Loaded

6.6 sec

Page Rendered

427 ms

jcool.com.tw screenshot

About Website

Click here to check amazing JCOOL content. Otherwise, check out these important facts you probably never knew about jcool.com.tw

JCOOL is not only cool but also producing high quality and professional tools and cycling accessories for every single user. We are making the products looks good and works perfect. Break through the ...

Visit jcool.com.tw

Key Findings

We analyzed Jcool.com.tw page load time and found that the first response time was 737 ms and then it took 7 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics

jcool.com.tw performance score

65

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value0.8 s

100/100

10%

LCP (Largest Contentful Paint)

Value2.2 s

95/100

25%

SI (Speed Index)

Value10.5 s

7/100

10%

TBT (Total Blocking Time)

Value1,300 ms

18/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value2.8 s

97/100

10%

Network Requests Diagram

jcool.com.tw

737 ms

windows_extreme.js

411 ms

fix.js

433 ms

indexin.php

558 ms

jcool.com.tw

420 ms

Our browser made a total of 26 requests to load all elements on the main page. We found that all of those requests were addressed to Jcool.com.tw and no external sources were called. The less responsive or slowest element that took the longest time to load (2.5 sec) belongs to the original domain Jcool.com.tw.

Page Optimization Overview & Recommendations

Page size can be reduced by 235.7 kB (28%)

Content Size

832.5 kB

After Optimization

596.8 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Jcool.com.tw main page is 832.5 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. Only 10% of websites need less resources to load. Images take 741.2 kB which makes up the majority of the site volume.

HTML Optimization

-64%

Potential reduce by 3.2 kB

  • Original 5.0 kB
  • After minification 4.8 kB
  • After compression 1.8 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. HTML code on this page is well minified. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 3.2 kB or 64% of the original size.

Image Optimization

-23%

Potential reduce by 173.0 kB

  • Original 741.2 kB
  • After minification 568.2 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. Obviously, JCOOL needs image optimization as it can save up to 173.0 kB or 23% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-69%

Potential reduce by 57.8 kB

  • Original 83.5 kB
  • After minification 78.0 kB
  • After compression 25.8 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 57.8 kB or 69% of the original size.

CSS Optimization

-63%

Potential reduce by 1.8 kB

  • Original 2.8 kB
  • After minification 2.4 kB
  • After compression 1.0 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. Jcool.com.tw needs all CSS files to be minified and compressed as it can save up to 1.8 kB or 63% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

23

After Optimization

23

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 23 CSS, Javascripts, AJAX and image requests in order to completely render the main page of JCOOL. According to our analytics all requests are already optimized.

Network Requests Diagram

jcool.com.tw

jcool.com.tw

737 ms

windows_extreme.js

windows_extreme.js

411 ms

fix.js

fix.js

433 ms

indexin.php

indexin.php

558 ms

jcool.com.tw

jcool.com.tw

420 ms

bannerpixel.png

bannerpixel.png

451 ms

index_1.png

index_1.png

450 ms

index_2.png

index_2.png

450 ms

index_3.png

index_3.png

450 ms

index_4.png

index_4.png

821 ms

bg.png

bg.png

885 ms

logo.png

logo.png

1309 ms

homepage.png

homepage.png

869 ms

contact.png

contact.png

890 ms

style.css

style.css

441 ms

jquery-1.4.2.min.js

jquery-1.4.2.min.js

1496 ms

supersized.2.0.js

supersized.2.0.js

813 ms

reset.css

reset.css

371 ms

1021008065039_B.jpg

1021008065039_B.jpg

2540 ms

1020814074417_B.jpg

1020814074417_B.jpg

2513 ms

index_1c.png

index_1c.png

438 ms

index_2c.png

index_2c.png

444 ms

index_3c.png

index_3c.png

445 ms

index_4c.png

index_4c.png

791 ms

homepagec.png

homepagec.png

437 ms

contactc.png

contactc.png

808 ms

Accessibility Review

jcool.com.tw accessibility score

50

Accessibility Issues

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

<frame> or <iframe> elements do not have a title

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

Best Practices

jcool.com.tw best practices score

58

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

High

Browser errors were logged to the console

SEO Factors

jcool.com.tw SEO score

69

Search Engine Optimization Advices

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

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    UTF-8

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

jcool.com.tw

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