Access lzcn.com. 联众云域 - 域名注册平台|外贸域名注册|.fr域名注册|.it域名注册|.de域名注册

name

value

score

weighting

FCP (First Contentful Paint)

Value6.0 s

4/100

10%

LCP (Largest Contentful Paint)

Value11.3 s

0/100

25%

SI (Speed Index)

Value14.1 s

1/100

10%

TBT (Total Blocking Time)

Value130 ms

96/100

30%

CLS (Cumulative Layout Shift)

Value0.013

100/100

15%

TTI (Time to Interactive)

Value6.7 s

56/100

10%

lzcn.com

592 ms

www.lzcn.com

665 ms

headfooter.css

505 ms

jquery.js

993 ms

javascript.js

488 ms

Our browser made a total of 82 requests to load all elements on the main page. We found that 95% of them (78 requests) were addressed to the original Lzcn.com, 2% (2 requests) were made to Wpa.qq.com and 2% (2 requests) were made to Pub.idqqimg.com. The less responsive or slowest element that took the longest time to load (3.3 sec) belongs to the original domain Lzcn.com.

Content Size

375.6 kB

After Optimization

288.7 kB

In fact, the total size of Lzcn.com main page is 375.6 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. 40% of websites need less resources to load. Images take 289.0 kB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 26.4 kB

Original 32.7 kB
After minification 24.5 kB
After compression 6.3 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 8.2 kB, which is 25% 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 26.4 kB or 81% of the original size.

Image Optimization

-17%

Potential reduce by 48.3 kB

Original 289.0 kB
After minification 240.7 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. Obviously, Lzcn needs image optimization as it can save up to 48.3 kB or 17% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-22%

Potential reduce by 10.6 kB

Original 48.6 kB
After minification 48.6 kB
After compression 38.0 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 10.6 kB or 22% of the original size.

CSS Optimization

-30%

Potential reduce by 1.6 kB

Original 5.3 kB
After minification 5.3 kB
After compression 3.7 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. Lzcn.com needs all CSS files to be minified and compressed as it can save up to 1.6 kB or 30% of the original size.

Requests Now

After Optimization

The browser has sent 78 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Lzcn. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 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 experience of reading tabular or list data using assistive technology, like a screen reader.

High

<dl>'s do not contain only properly-ordered <dt> and <dd> groups, <script>, <template> or <div> elements.

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

High

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

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

Form elements do not have associated labels

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

Search Engine Optimization Advices

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

High

Links are not crawlable

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

High

Image elements do not have [alt] attributes

Language and Encoding

Language Detected

ZH
Language Claimed

N/A
Encoding

GB2312

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Lzcn.com 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 Lzcn.com main page’s claimed encoding is gb2312. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

lzcn.com

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

联众云域 - 域名注册平台|外贸域名注册|.fr域名注册|.it域名注册|.de域名注册 - Lzcn.com

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

lzcn.com

www.lzcn.com

headfooter.css

jquery.js

javascript.js

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

lzcn.com

www.lzcn.com

headfooter.css

jquery.js

javascript.js

jquery-1.11.1.min.js

loginjs.asp

tabnav.js

index.css

index.js

pa

logo.jpg

it.jpg

DE.png

es.png

eu.png

salepw.gif

xyz.png

fr.png

uk.gif

it.gif

nl.gif

ca.png

jp.png

se.gif

es.png

fr.gif

pl.gif

eu.png

us.gif

ru.gif

de.gif

dk.gif

tv.gif

me.gif

fi.png

tw.gif

za.gif

im.gif

in.gif

cc.gif

hk.gif

ch.gif