Access jc68.com. 建材之家 JC68.COM®-专注家居装修家装建材等大家居新零售应用场景

name

value

score

weighting

FCP (First Contentful Paint)

Value5.9 s

4/100

10%

LCP (Largest Contentful Paint)

Value16.4 s

0/100

25%

SI (Speed Index)

Value18.9 s

0/100

10%

TBT (Total Blocking Time)

Value7,670 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.406

24/100

15%

TTI (Time to Interactive)

Value20.4 s

2/100

10%

jc68.com

1504 ms

www.jc68.com

3889 ms

style.css

937 ms

index.css

1025 ms

lang.js

2530 ms

Our browser made a total of 141 requests to load all elements on the main page. We found that 35% of them (50 requests) were addressed to the original Jc68.com, 21% (29 requests) were made to Img.jc68.com and 11% (16 requests) were made to Qiao.baidu.com. The less responsive or slowest element that took the longest time to load (20.5 sec) relates to the external source Img.jc68.com.

Content Size

1.3 MB

After Optimization

479.0 kB

In fact, the total size of Jc68.com main page is 1.3 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. 45% of websites need less resources to load. Javascripts take 652.8 kB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 199.7 kB

Original 236.1 kB
After minification 235.4 kB
After compression 36.4 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. 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 199.7 kB or 85% of the original size.

Image Optimization

-49%

Potential reduce by 159.6 kB

Original 327.9 kB
After minification 168.3 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. Obviously, JC68 needs image optimization as it can save up to 159.6 kB or 49% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-60%

Potential reduce by 390.1 kB

Original 652.8 kB
After minification 646.5 kB
After compression 262.7 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 390.1 kB or 60% of the original size.

CSS Optimization

-81%

Potential reduce by 50.5 kB

Original 62.1 kB
After minification 49.4 kB
After compression 11.6 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. Jc68.com needs all CSS files to be minified and compressed as it can save up to 50.5 kB or 81% of the original size.

Requests Now

118

After Optimization

The browser has sent 118 CSS, Javascripts, AJAX and image requests in order to completely render the main page of JC68. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 33 to 1 for JavaScripts and from 5 to 1 for CSS 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

<frame> or <iframe> elements do not have a title

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

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 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

Browser errors were logged to the console

Search Engine Optimization Advices

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

Language and Encoding

Language Detected

ZH
Language Claimed

N/A
Encoding

GBK

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Jc68.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 Jc68.com main page’s claimed encoding is gbk. 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

jc68.com

Open Graph description is not detected on the main page of JC68. 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

建材之家 JC68.COM®-专注家居装修家装建材等大家居新零售应用场景

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

jc68.com

www.jc68.com

style.css

index.css

lang.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

jc68.com

www.jc68.com

style.css

index.css

lang.js

config.js

jquery.js

common.js

page.js

jquery.lazyload.js

slide.js

adsbygoogle.js

index.js

marquee.js

govicon.js

stat.php

baomin.gif

jiancai+1220x200.jpg

logobo1.png

jc68_com.jpg

logo2wfu.jpg

wap.png

qqweibo.png

sinaweibo.png

head_bg.png

ico_arrow_d.gif

ico.png

ico.png

ico.png

ico.png

logo_0.png

lazy.gif

know_1.gif

know_3.gif

133952813111.jpg

133014193111.jpg

172537573111.jpg

125253213111.jpg

154713383111.jpg

133301703111.jpg

155129263111.jpg

122133353111.jpg

085938843111.jpg