Access 0225181111.century21.com.tw.

name

value

score

weighting

FCP (First Contentful Paint)

Value9.7 s

0/100

10%

LCP (Largest Contentful Paint)

Value21.4 s

0/100

25%

SI (Speed Index)

Value26.0 s

0/100

10%

TBT (Total Blocking Time)

Value800 ms

37/100

30%

CLS (Cumulative Layout Shift)

Value0.463

19/100

15%

TTI (Time to Interactive)

Value48.5 s

0/100

10%

0225181111.century21.com.tw

2188 ms

analytics.js

14 ms

js

27 ms

all.css

1293 ms

mightyslider.css

431 ms

Our browser made a total of 107 requests to load all elements on the main page. We found that 53% of them (57 requests) were addressed to the original 0225181111.century21.com.tw, 20% (21 requests) were made to Century21.com.tw and 7% (8 requests) were made to Rms.21online.tw. The less responsive or slowest element that took the longest time to load (2.8 sec) belongs to the original domain 0225181111.century21.com.tw.

Content Size

2.9 MB

After Optimization

1.2 MB

In fact, the total size of 0225181111.century21.com.tw main page is 2.9 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. 40% of websites need less resources to load. Javascripts take 1.6 MB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 51.1 kB

Original 63.5 kB
After minification 53.5 kB
After compression 12.4 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 10.0 kB, which is 16% 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 51.1 kB or 81% of the original size.

Image Optimization

-2%

Potential reduce by 12.8 kB

Original 843.9 kB
After minification 831.1 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. 0225181111 Century 21 images are well optimized though.

JavaScript Optimization

-80%

Potential reduce by 1.3 MB

Original 1.6 MB
After minification 1.0 MB
After compression 324.8 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 1.3 MB or 80% of the original size.

CSS Optimization

-83%

Potential reduce by 290.6 kB

Original 351.9 kB
After minification 305.1 kB
After compression 61.3 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. 0225181111.century21.com.tw needs all CSS files to be minified and compressed as it can save up to 290.6 kB or 83% of the original size.

Requests Now

105

After Optimization

The browser has sent 105 CSS, Javascripts, AJAX and image requests in order to completely render the main page of 0225181111 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 43 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

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.

High

[aria-hidden="true"] elements contain focusable descendents

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.

High

Buttons do not have an accessible name

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

These are opportunities to improve the legibility of your content.

High

Background and foreground colors do not have a sufficient contrast ratio.

Areas of Improvement

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

Low

Detected JavaScript libraries

High

Page has valid source maps

Search Engine Optimization Advices

Format your HTML in a way that enables crawlers to better understand your app’s content.

High

Links do not have descriptive text

High

Image elements do not have [alt] attributes

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

High

Links are not crawlable

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/).

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 0225181111.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 0225181111.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

0225181111.century21.com.tw

Open Graph description is not detected on the main page of 0225181111 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:

Report Summary

Performance

Accessibility

Best Practices

SEO

Page Load Speed

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Measured Metrics

FCP (First Contentful Paint)

LCP (Largest Contentful Paint)

SI (Speed Index)

TBT (Total Blocking Time)

CLS (Cumulative Layout Shift)

TTI (Time to Interactive)

Network Requests Diagram

0225181111.century21.com.tw

analytics.js

js

all.css

mightyslider.css

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Image Optimization

JavaScript Optimization

CSS Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

0225181111.century21.com.tw

analytics.js

js

all.css

mightyslider.css

fotorama.css

magnific-popup.css

jquery-1.11.3.js

jquery.cookie.js

modernizr.js

foundation.js

foundation.topbar.js

foundation.orbit.js

foundation.tab.js

foundation.interchange.js

foundation.dropdown.js

foundation.reveal.js

foundation.accordion.js

jquery.matchHeight-min.js

jquery.magnific-popup.min.js

mightyslider.min.js

jquery.lazyload.min.js

isotope.pkgd.min.js

isotope.modulo.columns.js

fotorama.js

jquery.cycle.all.js

all.js

colorbox.css

jquery.browser.js

jquery.client.js

buttonLoader.css

font-awesome.min.css

jquery.colorbox.js

lodash.js

jquery.infinitescroll.js

masonry.pkgd.min.js

imagesloaded.pkgd.min.js

jquery.buttonLoader.js

json2.js

collect

style.css

json_parse.js

json_parse_state.js

cycle.js