Tools & Wizards About Us

Report Summary

  • 79

    Performance

    Renders faster than
    85% of other websites

  • 86

    Accessibility

    Visual factors better than
    that of 61% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 64

    SEO

    Google-friendlier than
    24% of websites

z4f.net

食堂承包,饭堂承包,餐饮服务,餐饮管理,膳食服务,膳食管理,厨房服务,团餐服务-鸿迅膳食管理服务有限公司

Page Load Speed

8.5 sec in total

First Response

770 ms

Resources Loaded

7.5 sec

Page Rendered

269 ms

About Website

Welcome to z4f.net homepage info - get ready to check Z 4 F best content right away, or after learning these important things about z4f.net

东莞市鸿迅膳食管理服务有限公司拥有二十余年食堂承包管理经验,分公司遍布全国多省市专业食堂承包,饭堂承包,食堂外包,食堂托管,食堂管理,粮油配送,蔬菜配送,水果配送,食材配送,团膳服务,饭堂外包,饭堂托管,餐饮服务,餐饮管理,膳食管理,后勤服务。为工厂,医院,学校,酒店,事业单位,工业园区等提供优质的食堂承包餐饮膳食外包服务。咨询电话:13058666420

Visit z4f.net

Key Findings

We analyzed Z4f.net page load time and found that the first response time was 770 ms and then it took 7.7 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

z4f.net performance score

79

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.1 s

45/100

10%

LCP (Largest Contentful Paint)

Value3.1 s

74/100

25%

SI (Speed Index)

Value8.2 s

20/100

10%

TBT (Total Blocking Time)

Value30 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value4.2 s

85/100

10%

Network Requests Diagram

z4f.net

770 ms

www.z4f.net

1253 ms

yunu.css

193 ms

jquery-1.12.4.min.js

989 ms

mk.js

458 ms

Our browser made a total of 55 requests to load all elements on the main page. We found that 64% of them (35 requests) were addressed to the original Z4f.net, 20% (11 requests) were made to Api.map.baidu.com and 4% (2 requests) were made to Hm.baidu.com. The less responsive or slowest element that took the longest time to load (2.8 sec) belongs to the original domain Z4f.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 60.5 kB (6%)

Content Size

962.6 kB

After Optimization

902.1 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Z4f.net main page is 962.6 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. 35% of websites need less resources to load. Images take 839.1 kB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 39.6 kB

  • Original 47.4 kB
  • After minification 36.0 kB
  • After compression 7.7 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 11.4 kB, which is 24% 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 39.6 kB or 84% of the original size.

Image Optimization

-2%

Potential reduce by 19.7 kB

  • Original 839.1 kB
  • After minification 819.4 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. Z 4 F images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 366 B

  • Original 66.7 kB
  • After minification 66.7 kB
  • After compression 66.4 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. This website has mostly compressed JavaScripts.

CSS Optimization

-8%

Potential reduce by 745 B

  • Original 9.4 kB
  • After minification 9.4 kB
  • After compression 8.6 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. Z4f.net has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 22 (42%)

Requests Now

52

After Optimization

30

  • Images
  • JavaScript
  • CSS

The browser has sent 52 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Z 4 F. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

z4f.net accessibility score

86

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.

Best Practices

z4f.net best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

SEO Factors

z4f.net SEO score

64

Search Engine Optimization Advices

Language and Encoding

  • Language Detected

    ZH

  • Language Claimed

    ZH

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Z4f.net can be misinterpreted by Google and other search engines. Our service has detected that Chinese is used on the page, and it matches the claimed language. Our system also found out that Z4f.net 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 Z 4 F. 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: