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cha.com.tw screenshot

Report Summary

  • 1

    Performance

    Renders faster than
    19% of other websites

  • 86

    Accessibility

    Visual factors better than
    that of 61% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 82

    SEO

    Google-friendlier than
    44% of websites

cha.com.tw

正新精品門窗官網: 氣密窗、鋁門窗

Page Load Speed

25.1 sec in total

First Response

595 ms

Resources Loaded

24 sec

Page Rendered

408 ms

cha.com.tw screenshot

About Website

Welcome to cha.com.tw homepage info - get ready to check Cha best content for Taiwan right away, or after learning these important things about cha.com.tw

民國58年創立迄今，正新鋁業一路走來超過五十個年頭。從上一代的董事長劉金原手中接棒，身為第二代的劉南宏總經理戮力打造「正新精品門窗」的品牌，讓猶如房屋之眼的門窗，不僅給予室內與室外介面的安全保護，也給消費者滿滿幸福。

Visit cha.com.tw

Key Findings

We analyzed Cha.com.tw page load time and found that the first response time was 595 ms and then it took 24.5 sec to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster. Unfortunately, there was 1 request timeout, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

cha.com.tw performance score

1

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.5 s

6/100

10%

LCP (Largest Contentful Paint)

Value26.9 s

0/100

25%

SI (Speed Index)

Value22.4 s

0/100

10%

TBT (Total Blocking Time)

Value3,070 ms

2/100

30%

CLS (Cumulative Layout Shift)

Value1.754

0/100

15%

TTI (Time to Interactive)

Value22.2 s

1/100

10%

Network Requests Diagram

cha.com.tw

595 ms

www.cha.com.tw

650 ms

www.cha.com.tw

927 ms

js

64 ms

normalize.css

811 ms

Our browser made a total of 74 requests to load all elements on the main page. We found that 80% of them (59 requests) were addressed to the original Cha.com.tw, 8% (6 requests) were made to Youtube.com and 3% (2 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (19.8 sec) belongs to the original domain Cha.com.tw.

Page Optimization Overview & Recommendations

Page size can be reduced by 729.8 kB (6%)

Content Size

13.0 MB

After Optimization

12.3 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Cha.com.tw main page is 13.0 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. 80% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 12.3 MB which makes up the majority of the site volume.

HTML Optimization

-87%

Potential reduce by 40.5 kB

  • Original 46.5 kB
  • After minification 32.3 kB
  • After compression 6.0 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 14.2 kB, which is 31% 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 40.5 kB or 87% of the original size.

Image Optimization

-3%

Potential reduce by 358.4 kB

  • Original 12.3 MB
  • After minification 12.0 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. Cha images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 2.8 kB

  • Original 217.8 kB
  • After minification 217.8 kB
  • After compression 215.0 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. This website has mostly compressed JavaScripts.

CSS Optimization

-79%

Potential reduce by 328.1 kB

  • Original 417.0 kB
  • After minification 416.3 kB
  • After compression 88.8 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. Cha.com.tw needs all CSS files to be minified and compressed as it can save up to 328.1 kB or 79% of the original size.

Requests Breakdown

Number of requests can be reduced by 21 (31%)

Requests Now

68

After Optimization

47

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 68 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Cha. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 to 1 for JavaScripts and from 11 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

cha.com.tw

cha.com.tw

595 ms

www.cha.com.tw

www.cha.com.tw

650 ms

www.cha.com.tw

www.cha.com.tw

927 ms

js

js

64 ms

normalize.css

normalize.css

811 ms

layout.css

layout.css

812 ms

master.css

master.css

826 ms

form.css

form.css

832 ms

font.css

font.css

842 ms

fontawesome-all.css

fontawesome-all.css

843 ms

feather-icons.css

feather-icons.css

1616 ms

animate.min.css

animate.min.css

1635 ms

jquery-1.8.3.min.js

jquery-1.8.3.min.js

2026 ms

slick.css

slick.css

1654 ms

slick-theme.css

slick-theme.css

1666 ms

effect01.js

effect01.js

1685 ms

jquery.scrollbar.min.js

jquery.scrollbar.min.js

2653 ms

main.js

main.js

2653 ms

effect.js

effect.js

2652 ms

fbevents.js

fbevents.js

123 ms

h3x_Vprv4OE

h3x_Vprv4OE

229 ms

20210805804.svg

20210805804.svg

604 ms

20210728823.jpg

20210728823.jpg

4631 ms

20210720235.jpg

20210720235.jpg

4811 ms

20210720494.jpg

20210720494.jpg

7361 ms

20210720953.jpg

20210720953.jpg

4056 ms

20210720663.jpg

20210720663.jpg

3181 ms

20210720529.jpg

20210720529.jpg

4527 ms

local.svg

local.svg

4009 ms

local02.svg

local02.svg

4813 ms

20240712254.jpg

20240712254.jpg

6564 ms

20240712036.jpg

20240712036.jpg

7139 ms

20220921307.jpg

20220921307.jpg

6409 ms

20220921259.jpg

20220921259.jpg

6397 ms

20220412453.jpg

20220412453.jpg

8056 ms

20211213915.jpg

20211213915.jpg

8010 ms

20240715722.jpg

20240715722.jpg

8173 ms

20240715040.jpg

20240715040.jpg

8377 ms

20220706454.jpg

20220706454.jpg

9022 ms

20210911291.jpg

20210911291.jpg

8831 ms

20210911783.jpg

20210911783.jpg

9409 ms

20210911909.jpg

20210911909.jpg

9921 ms

20210911830.jpg

20210911830.jpg

9879 ms

20210831285.jpg

20210831285.jpg

10042 ms

20210831636.jpg

20210831636.jpg

10587 ms

20210913654.jpg

20210913654.jpg

10722 ms

20210831037.jpg

20210831037.jpg

11105 ms

20210812898.jpg

20210812898.jpg

11192 ms

main_newsbg.jpg

main_newsbg.jpg

12236 ms

belle.png

belle.png

12662 ms

20240731476.jpg

20240731476.jpg

13192 ms

arrow02.svg

arrow02.svg

11845 ms

20240529633.jpg

20240529633.jpg

19820 ms

20240507607.jpg

20240507607.jpg

12978 ms

www-player.css

www-player.css

9 ms

www-embed-player.js

www-embed-player.js

31 ms

base.js

base.js

57 ms

ad_status.js

ad_status.js

268 ms

jZnaD5i84OOj95f_CaIDPNlD8clIrXO563EFyn6Jvvo.js

jZnaD5i84OOj95f_CaIDPNlD8clIrXO563EFyn6Jvvo.js

193 ms

embed.js

embed.js

47 ms

fa-solid-900.woff

fa-solid-900.woff

13160 ms

fa-regular-400.woff

fa-regular-400.woff

12972 ms

telephone.svg

telephone.svg

13173 ms

youtube.svg

youtube.svg

13532 ms

KFOmCnqEu92Fr1Mu4mxP.ttf

KFOmCnqEu92Fr1Mu4mxP.ttf

218 ms

KFOlCnqEu92Fr1MmEU9fBBc9.ttf

KFOlCnqEu92Fr1MmEU9fBBc9.ttf

219 ms

id

id

16 ms

Create

Create

122 ms

GenerateIT

GenerateIT

16 ms

log_event

log_event

17 ms

Feather-Icons.ttf

Feather-Icons.ttf

11763 ms

line.svg

line.svg

10670 ms

fb.svg

fb.svg

10790 ms

20210805349.svg

20210805349.svg

10336 ms

Accessibility Review

cha.com.tw accessibility score

86

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.

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

Links do not have a discernible name

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

Best Practices

cha.com.tw best practices score

83

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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

cha.com.tw SEO score

82

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

    ZH

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Cha.com.tw can be misinterpreted by Google and other search engines. Our service has detected that Japanese is used on the page, and it does not match the claimed Chinese language. Our system also found out that Cha.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

cha.com.tw

Open Graph data is detected on the main page of Cha. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: