Report Summary

  • 43

    Performance

    Renders faster than
    62% of other websites

  • 55

    Accessibility

    Visual factors better than
    that of 23% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 54

    SEO

    Google-friendlier than
    19% of websites

yj99.cn

友价源码-官方网址-只卖正版源码系统的平台-PHP源码二次开发

Page Load Speed

45.5 sec in total

First Response

1.6 sec

Resources Loaded

43.6 sec

Page Rendered

219 ms

yj99.cn screenshot

About Website

Welcome to yj99.cn homepage info - get ready to check Yj 99 best content for China right away, or after learning these important things about yj99.cn

友价源码提供专业的房产程序系统源码等,房产程序系统均采用PHP开源开发,配置房产小程序,房产系统APP,购买友价房产系统等正版授权系统源码系统,尊享优质售后服务,本着诚信经营理念,不断扩大市场占有率。期待与您的合作。

Visit yj99.cn

Key Findings

We analyzed Yj99.cn page load time and found that the first response time was 1.6 sec and then it took 43.8 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 were 4 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

yj99.cn performance score

43

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.2 s

19/100

10%

LCP (Largest Contentful Paint)

Value6.1 s

12/100

25%

SI (Speed Index)

Value16.4 s

0/100

10%

TBT (Total Blocking Time)

Value450 ms

62/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value7.4 s

48/100

10%

Network Requests Diagram

yj99.cn

1629 ms

www.yj99.cn

5828 ms

basic.css

2741 ms

index.css

4570 ms

basic.js

2148 ms

Our browser made a total of 38 requests to load all elements on the main page. We found that 84% of them (32 requests) were addressed to the original Yj99.cn, 3% (1 request) were made to S21.cnzz.com and 3% (1 request) were made to Oz.cnzz.com. The less responsive or slowest element that took the longest time to load (20.4 sec) belongs to the original domain Yj99.cn.

Page Optimization Overview & Recommendations

Page size can be reduced by 49.4 kB (59%)

Content Size

83.0 kB

After Optimization

33.6 kB

In fact, the total size of Yj99.cn main page is 83.0 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. Only 10% of websites need less resources to load. Javascripts take 37.5 kB which makes up the majority of the site volume.

HTML Optimization

-74%

Potential reduce by 11.0 kB

  • Original 14.9 kB
  • After minification 14.2 kB
  • After compression 3.9 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 11.0 kB or 74% of the original size.

Image Optimization

-9%

Potential reduce by 1.7 kB

  • Original 19.6 kB
  • After minification 17.8 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. Yj 99 images are well optimized though.

JavaScript Optimization

-75%

Potential reduce by 28.2 kB

  • Original 37.5 kB
  • After minification 31.9 kB
  • After compression 9.3 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 28.2 kB or 75% of the original size.

CSS Optimization

-76%

Potential reduce by 8.4 kB

  • Original 11.0 kB
  • After minification 10.4 kB
  • After compression 2.6 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. Yj99.cn needs all CSS files to be minified and compressed as it can save up to 8.4 kB or 76% of the original size.

Requests Breakdown

Number of requests can be reduced by 18 (58%)

Requests Now

31

After Optimization

13

The browser has sent 31 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Yj 99. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

yj99.cn accessibility score

55

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.

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

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

<input type="image"> elements do not have [alt] text

High

Links do not have a discernible name

Best Practices

yj99.cn 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

SEO Factors

yj99.cn SEO score

54

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

High

robots.txt is not valid

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

Language and Encoding

  • Language Detected

    ZH

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Yj99.cn can be misinterpreted by Google and other search engines. Our service has detected that Chinese 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 Yj99.cn 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 Yj 99. 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: