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Report Summary

About Website

Visit 51cdz.com now to see the best up-to-date 51 Cdz content and also check out these interesting facts you probably never knew about 51cdz.com

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name

value

score

weighting

FCP (First Contentful Paint)

Value0.7 s

100/100

10%

LCP (Largest Contentful Paint)

Value0.7 s

100/100

25%

SI (Speed Index)

Value1.1 s

100/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value0.7 s

100/100

10%

51cdz.com

1023 ms

www.51cdz.com

16142 ms

style.css

2851 ms

myjs.js

1107 ms

uaredirect.js

3945 ms

Our browser made a total of 94 requests to load all elements on the main page. We found that 83% of them (78 requests) were addressed to the original 51cdz.com, 6% (6 requests) were made to Bdimg.share.baidu.com and 4% (4 requests) were made to Pub.idqqimg.com. The less responsive or slowest element that took the longest time to load (20 sec) belongs to the original domain 51cdz.com.

Content Size

200.1 kB

After Optimization

73.1 kB

In fact, the total size of 51cdz.com main page is 200.1 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. 20% of websites need less resources to load. HTML takes 105.7 kB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 90.9 kB

Original 105.7 kB
After minification 98.2 kB
After compression 14.9 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 90.9 kB or 86% of the original size.

Image Optimization

-5%

Potential reduce by 1.8 kB

Original 37.0 kB
After minification 35.2 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. 51 Cdz images are well optimized though.

JavaScript Optimization

-62%

Potential reduce by 33.6 kB

Original 54.4 kB
After minification 52.8 kB
After compression 20.7 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 33.6 kB or 62% of the original size.

CSS Optimization

-21%

Potential reduce by 624 B

Original 3.0 kB
After minification 2.8 kB
After compression 2.4 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. 51cdz.com needs all CSS files to be minified and compressed as it can save up to 624 B or 21% of the original size.

Requests Now

After Optimization

The browser has sent 87 CSS, Javascripts, AJAX and image requests in order to completely render the main page of 51 Cdz. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 14 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 interpretation of your content by users in different locales.

High

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

Search Engine Optimization Advices

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 51cdz.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 51cdz.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

51cdz.com

Open Graph description is not detected on the main page of 51 Cdz. 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

武汉做网站|网站建设|网页设计制作_新一点网络

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)