Report Summary

  • 14

    Performance

    Renders faster than
    26% of other websites

  • 79

    Accessibility

    Visual factors better than
    that of 48% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 75

    SEO

    Google-friendlier than
    32% of websites

chair1.com.tw

椅子王

Page Load Speed

10.6 sec in total

First Response

1.5 sec

Resources Loaded

7.9 sec

Page Rendered

1.2 sec

chair1.com.tw screenshot

About Website

Welcome to chair1.com.tw homepage info - get ready to check Chair 1 best content for Taiwan right away, or after learning these important things about chair1.com.tw

椅子王提供商業空間餐桌、餐椅、吧台椅的現品銷售與訂製服務。

Visit chair1.com.tw

Key Findings

We analyzed Chair1.com.tw page load time and found that the first response time was 1.5 sec and then it took 9.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.

Performance Metrics

chair1.com.tw performance score

14

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.5 s

15/100

10%

LCP (Largest Contentful Paint)

Value14.2 s

0/100

25%

SI (Speed Index)

Value10.8 s

6/100

10%

TBT (Total Blocking Time)

Value1,300 ms

18/100

30%

CLS (Cumulative Layout Shift)

Value0.33

34/100

15%

TTI (Time to Interactive)

Value13.4 s

11/100

10%

Network Requests Diagram

chair1.com.tw

1458 ms

index.css

415 ms

jquery.min.js

1050 ms

jquery.cycle.all.latest.js

852 ms

loadflash.js

448 ms

Our browser made a total of 165 requests to load all elements on the main page. We found that 93% of them (154 requests) were addressed to the original Chair1.com.tw, 2% (3 requests) were made to Img.scupio.com and 1% (2 requests) were made to Rec.scupio.com. The less responsive or slowest element that took the longest time to load (1.9 sec) belongs to the original domain Chair1.com.tw.

Page Optimization Overview & Recommendations

Page size can be reduced by 474.0 kB (16%)

Content Size

3.0 MB

After Optimization

2.5 MB

In fact, the total size of Chair1.com.tw main page is 3.0 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. 40% of websites need less resources to load. Images take 2.7 MB which makes up the majority of the site volume.

HTML Optimization

-89%

Potential reduce by 73.4 kB

  • Original 82.5 kB
  • After minification 67.7 kB
  • After compression 9.1 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 14.9 kB, which is 18% 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 73.4 kB or 89% of the original size.

Image Optimization

-11%

Potential reduce by 301.9 kB

  • Original 2.7 MB
  • After minification 2.4 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, Chair 1 needs image optimization as it can save up to 301.9 kB or 11% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-57%

Potential reduce by 94.9 kB

  • Original 166.8 kB
  • After minification 151.6 kB
  • After compression 71.9 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 94.9 kB or 57% of the original size.

CSS Optimization

-75%

Potential reduce by 3.8 kB

  • Original 5.1 kB
  • After minification 4.1 kB
  • After compression 1.3 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. Chair1.com.tw needs all CSS files to be minified and compressed as it can save up to 3.8 kB or 75% of the original size.

Requests Breakdown

Number of requests can be reduced by 8 (5%)

Requests Now

161

After Optimization

153

The browser has sent 161 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Chair 1. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

chair1.com.tw accessibility score

79

Accessibility Issues

ARIA

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.

Impact

Issue

High

ARIA input fields do not have accessible names

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

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

Form elements do not have associated labels

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

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

Best Practices

chair1.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

chair1.com.tw SEO score

75

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

Language and Encoding

  • Language Detected

    JA

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Chair1.com.tw can be misinterpreted by Google and other search engines. Our service has detected that Japanese 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 Chair1.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 Chair 1. 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: