Report Summary

  • 10

    Performance

    Renders faster than
    23% of other websites

  • 82

    Accessibility

    Visual factors better than
    that of 54% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 73

    SEO

    Google-friendlier than
    31% of websites

w2.century21.com.tw

Default Web Site Page

Page Load Speed

14.2 sec in total

First Response

704 ms

Resources Loaded

13.1 sec

Page Rendered

419 ms

w2.century21.com.tw screenshot

About Website

Click here to check amazing W 2 Century 21 content for Taiwan. Otherwise, check out these important facts you probably never knew about w2.century21.com.tw

21世紀不動產提供您買屋、賣屋、海外投資置產及實價登錄行情等相關資訊,透過整合性的科技服務平台,讓您隨時隨地掌握全世界的最新房產資訊。

Visit w2.century21.com.tw

Key Findings

We analyzed W2.century21.com.tw page load time and found that the first response time was 704 ms and then it took 13.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

w2.century21.com.tw performance score

10

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value13.8 s

0/100

10%

LCP (Largest Contentful Paint)

Value26.5 s

0/100

25%

SI (Speed Index)

Value38.3 s

0/100

10%

TBT (Total Blocking Time)

Value1,230 ms

20/100

30%

CLS (Cumulative Layout Shift)

Value0.401

25/100

15%

TTI (Time to Interactive)

Value46.2 s

0/100

10%

Network Requests Diagram

w2.century21.com.tw

704 ms

1522 ms

atrk.js

36 ms

atrk.gif

37 ms

test.png

78 ms

Our browser made a total of 249 requests to load all elements on the main page. We found that 0% of them (1 request) were addressed to the original W2.century21.com.tw, 63% (157 requests) were made to Century21.com.tw and 9% (22 requests) were made to Static.xx.fbcdn.net. The less responsive or slowest element that took the longest time to load (9.2 sec) relates to the external source Century21.com.tw.

Page Optimization Overview & Recommendations

Page size can be reduced by 2.0 MB (40%)

Content Size

4.9 MB

After Optimization

3.0 MB

In fact, the total size of W2.century21.com.tw main page is 4.9 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. 75% 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 2.5 MB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 94.9 kB

  • Original 116.4 kB
  • After minification 102.0 kB
  • After compression 21.4 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 14.4 kB, which is 12% 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 94.9 kB or 82% of the original size.

Image Optimization

-2%

Potential reduce by 50.5 kB

  • Original 2.5 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. W 2 Century 21 images are well optimized though.

JavaScript Optimization

-76%

Potential reduce by 1.3 MB

  • Original 1.7 MB
  • After minification 1.3 MB
  • After compression 405.5 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 1.3 MB or 76% of the original size.

CSS Optimization

-84%

Potential reduce by 525.7 kB

  • Original 624.3 kB
  • After minification 524.9 kB
  • After compression 98.6 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. W2.century21.com.tw needs all CSS files to be minified and compressed as it can save up to 525.7 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 132 (54%)

Requests Now

244

After Optimization

112

The browser has sent 244 CSS, Javascripts, AJAX and image requests in order to completely render the main page of W 2 Century 21. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 62 to 1 for JavaScripts and from 32 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

w2.century21.com.tw accessibility score

82

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-hidden="true"] elements contain focusable descendents

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

Image elements do not have [alt] attributes

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.

Best Practices

w2.century21.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

w2.century21.com.tw SEO score

73

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

High

Image elements do not have [alt] attributes

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

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    N/A

  • Language Claimed

    ZH

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise W2.century21.com.tw can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else), while the claimed language is Chinese. Our system also found out that W2.century21.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 W 2 Century 21. 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: