Access sz.centanet.com. 深圳房产网_深圳二手房网-深圳新房网-深圳租房网-深圳中原找房

name

value

score

weighting

FCP (First Contentful Paint)

Value7.2 s

1/100

10%

LCP (Largest Contentful Paint)

Value21.4 s

0/100

25%

SI (Speed Index)

Value20.1 s

0/100

10%

TBT (Total Blocking Time)

Value660 ms

45/100

30%

CLS (Cumulative Layout Shift)

Value0.55

13/100

15%

TTI (Time to Interactive)

Value21.2 s

1/100

10%

sz.centanet.com

7288 ms

m.ashx

1856 ms

jquery.min.js

1579 ms

jquery.slides.min.js

1128 ms

jquery.autocomplete.min.js

2693 ms

Our browser made a total of 76 requests to load all elements on the main page. We found that 9% of them (7 requests) were addressed to the original Sz.centanet.com, 28% (21 requests) were made to Static.centanet.com and 14% (11 requests) were made to Img.sz.centanet.com. The less responsive or slowest element that took the longest time to load (16.3 sec) relates to the external source Static.centanet.com.

Content Size

618.6 kB

After Optimization

400.4 kB

In fact, the total size of Sz.centanet.com main page is 618.6 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 30% of websites need less resources to load. Images take 286.8 kB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 54.1 kB

Original 68.3 kB
After minification 68.1 kB
After compression 14.2 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 54.1 kB or 79% of the original size.

Image Optimization

-6%

Potential reduce by 16.6 kB

Original 286.8 kB
After minification 270.3 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. Sz Centanet images are well optimized though.

JavaScript Optimization

-56%

Potential reduce by 147.5 kB

Original 263.5 kB
After minification 260.8 kB
After compression 115.9 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 147.5 kB or 56% of the original size.

Requests Now

After Optimization

The browser has sent 72 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sz Centanet. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 19 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Issues

These are opportunities to improve the legibility of your content.

High

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

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

These items highlight common accessibility best practices.

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

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

High

Displays images with incorrect aspect ratio

High

Serves images with low resolution

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

Search Engine Optimization Advices

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

High

robots.txt is not valid

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

High

Image elements do not have [alt] attributes

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

ZH
Language Claimed

EN
Encoding

UTF-8

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

sz.centanet.com

Open Graph description is not detected on the main page of Sz Centanet. 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

深圳房产网_深圳二手房网-深圳新房网-深圳租房网-深圳中原找房

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

sz.centanet.com

m.ashx

jquery.min.js

jquery.slides.min.js

jquery.autocomplete.min.js

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Image Optimization

JavaScript Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

sz.centanet.com

m.ashx

jquery.min.js

jquery.slides.min.js

jquery.autocomplete.min.js

homeview.js

searchmain.js

index.js

blank

error240X150.jpg

bg_icon.png

indexbigImg2.jpg

hotlineTime_bg.png

slogan.png

loading179_132.gif

gray_bg.jpg

szbaner_01.jpg

szbaner_02.jpg

szbaner_03.jpg

phonebaner.jpg

index_ico.png

trend-item-bg.png

fcolor_ico.jpg

sz_act.js

replace.js

hm.js

sa.js

lyb.js

hm.gif

piwik.js

push.js

mvl.js

loader.php

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handlershowimage_wnp.ashx

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