Tools & Wizards About Us
changyao.com.tw screenshot

Report Summary

  • 29

    Performance

    Renders faster than
    49% of other websites

  • 77

    Accessibility

    Visual factors better than
    that of 45% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 85

    SEO

    Google-friendlier than
    56% of websites

changyao.com.tw

Automotive Lighting Manufacturer - Chang Yao Auto Light Bulbs

Page Load Speed

6.1 sec in total

First Response

803 ms

Resources Loaded

5.1 sec

Page Rendered

167 ms

changyao.com.tw screenshot

About Website

Visit changyao.com.tw now to see the best up-to-date Chang Yao content and also check out these interesting facts you probably never knew about changyao.com.tw

Chang Yao, the superior automotive lighting manufacturer in the industry, providing series of auto light bulbs. Welcome to visit our website and contact us!

Visit changyao.com.tw

Key Findings

We analyzed Changyao.com.tw page load time and found that the first response time was 803 ms and then it took 5.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

changyao.com.tw performance score

29

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.1 s

45/100

10%

LCP (Largest Contentful Paint)

Value8.6 s

1/100

25%

SI (Speed Index)

Value8.8 s

16/100

10%

TBT (Total Blocking Time)

Value420 ms

66/100

30%

CLS (Cumulative Layout Shift)

Value1.125

1/100

15%

TTI (Time to Interactive)

Value10.0 s

27/100

10%

Network Requests Diagram

changyao.com.tw

803 ms

index.css

241 ms

banner.css

433 ms

jquery-latest.min.js

11 ms

jquery.min.js

857 ms

Our browser made a total of 31 requests to load all elements on the main page. We found that 90% of them (28 requests) were addressed to the original Changyao.com.tw, 6% (2 requests) were made to Google-analytics.com and 3% (1 request) were made to Code.jquery.com. The less responsive or slowest element that took the longest time to load (3.4 sec) belongs to the original domain Changyao.com.tw.

Page Optimization Overview & Recommendations

Page size can be reduced by 288.9 kB (17%)

Content Size

1.7 MB

After Optimization

1.4 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Changyao.com.tw main page is 1.7 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. 20% of websites need less resources to load. Images take 1.6 MB which makes up the majority of the site volume.

HTML Optimization

-69%

Potential reduce by 7.2 kB

  • Original 10.4 kB
  • After minification 9.8 kB
  • After compression 3.2 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 7.2 kB or 69% of the original size.

Image Optimization

-13%

Potential reduce by 204.3 kB

  • Original 1.6 MB
  • After minification 1.4 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. Obviously, Chang Yao needs image optimization as it can save up to 204.3 kB or 13% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-64%

Potential reduce by 72.6 kB

  • Original 113.8 kB
  • After minification 112.0 kB
  • After compression 41.2 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 72.6 kB or 64% of the original size.

CSS Optimization

-76%

Potential reduce by 4.8 kB

  • Original 6.3 kB
  • After minification 5.0 kB
  • After compression 1.5 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. Changyao.com.tw needs all CSS files to be minified and compressed as it can save up to 4.8 kB or 76% of the original size.

Requests Breakdown

Number of requests can be reduced by 3 (10%)

Requests Now

30

After Optimization

27

  • Images
  • JavaScript
  • CSS

The browser has sent 30 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Chang Yao. 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 as a result speed up the page load time.

Network Requests Diagram

changyao.com.tw

changyao.com.tw

803 ms

index.css

index.css

241 ms

banner.css

banner.css

433 ms

jquery-latest.min.js

jquery-latest.min.js

11 ms

jquery.min.js

jquery.min.js

857 ms

pdrun.js

pdrun.js

472 ms

analytics.js

analytics.js

41 ms

bg.jpg

bg.jpg

2443 ms

topbg.jpg

topbg.jpg

821 ms

logo.jpg

logo.jpg

435 ms

line.png

line.png

258 ms

language_1.png

language_1.png

680 ms

language_2.png

language_2.png

680 ms

banner_1.jpg

banner_1.jpg

1707 ms

banner_2.jpg

banner_2.jpg

886 ms

banner_3.jpg

banner_3.jpg

3401 ms

mainbg.jpg

mainbg.jpg

1573 ms

arrow.png

arrow.png

1040 ms

p2.jpg

p2.jpg

1106 ms

p1.jpg

p1.jpg

1263 ms

p3.jpg

p3.jpg

1332 ms

p4.jpg

p4.jpg

1480 ms

p5.jpg

p5.jpg

1548 ms

qr_img.png

qr_img.png

1696 ms

icon-computer.png

icon-computer.png

1765 ms

icon-phone.png

icon-phone.png

1807 ms

index_2.png

index_2.png

1923 ms

index_1.png

index_1.png

1970 ms

arrow1.jpg

arrow1.jpg

1996 ms

arrow2.jpg

arrow2.jpg

2040 ms

collect

collect

10 ms

Accessibility Review

changyao.com.tw accessibility score

77

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

Buttons do not have an accessible name

High

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

High

Links do not have a discernible name

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

Heading elements are not in a sequentially-descending order

Best Practices

changyao.com.tw 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

changyao.com.tw SEO score

85

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

Links do not have descriptive text

Crawling and Indexing

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

Impact

Issue

High

Links are not crawlable

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

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 Changyao.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 Changyao.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

changyao.com.tw

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