Access zz.xdf.cn. 郑州新东方学校-留学考试/大学考试/素质教育培训-郑州新东方官网

name

value

score

weighting

FCP (First Contentful Paint)

Value11.3 s

0/100

10%

LCP (Largest Contentful Paint)

Value27.1 s

0/100

25%

SI (Speed Index)

Value32.6 s

0/100

10%

TBT (Total Blocking Time)

Value660 ms

45/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value32.6 s

0/100

10%

zz.xdf.cn

8133 ms

jquery.js

4672 ms

global.css

3821 ms

product_list.css

1221 ms

blocknewsletter.css

1202 ms

Our browser made a total of 133 requests to load all elements on the main page. We found that 67% of them (89 requests) were addressed to the original Zz.xdf.cn, 13% (17 requests) were made to File.xdf.cn and 5% (7 requests) were made to Hm.baidu.com. The less responsive or slowest element that took the longest time to load (12 sec) relates to the external source File.xdf.cn.

Content Size

3.9 MB

After Optimization

3.1 MB

In fact, the total size of Zz.xdf.cn main page is 3.9 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. 60% of websites need less resources to load. Images take 3.2 MB which makes up the majority of the site volume.

HTML Optimization

-92%

Potential reduce by 256.7 kB

Original 280.5 kB
After minification 204.2 kB
After compression 23.8 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 76.3 kB, which is 27% 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 256.7 kB or 92% of the original size.

Image Optimization

-8%

Potential reduce by 239.7 kB

Original 3.2 MB
After minification 2.9 MB

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. Zz Xdf images are well optimized though.

JavaScript Optimization

-59%

Potential reduce by 102.9 kB

Original 175.2 kB
After minification 175.2 kB
After compression 72.2 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 102.9 kB or 59% of the original size.

CSS Optimization

-87%

Potential reduce by 290.5 kB

Original 335.7 kB
After minification 253.6 kB
After compression 45.2 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. Zz.xdf.cn needs all CSS files to be minified and compressed as it can save up to 290.5 kB or 87% of the original size.

Requests Now

131

After Optimization

The browser has sent 131 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Zz Xdf. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 25 to 1 for JavaScripts and from 13 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 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

Links do not have a discernible name

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

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

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 doesn't use legible font sizes

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 Zz.xdf.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 Zz.xdf.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

zz.xdf.cn

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

郑州新东方学校-留学考试/大学考试/素质教育培训-郑州新东方官网

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

zz.xdf.cn

jquery.js

global.css

product_list.css

blocknewsletter.css

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

zz.xdf.cn

jquery.js

global.css

product_list.css

blocknewsletter.css

homeslider.css

ptsblockmanufacturer.css

ptsmegamenu.css

hooks.css

ptsverticalmenu.css

ptsblockproducttabs.css

styles.css

ptsblocksearch.css

style.css

shouye.css

jquery-migrate-1.2.1.min.js

global.js

10-bootstrap.min.js

15-jquery.total-storage.min.js

15-jquery.uniform-modified.js

jquery.fancybox.js

jquery.scrollTo.js

jquery.serialScroll.js

jquery.bxslider.js

treeManagement.js

jquery.themepunch.revolution.min.js

live_configurator.js

index.js

m.js

xdf_global.min.js

566_150724110518qseiCELAA8GLQu3Y.jpg

xx.png

21.png

tc.png

wb.png

tuijian.jpg

tuofu.jpg

yasi.jpg

xyz.png

sat.jpg

gre.jpg

gmat.png

kaoyan.jpg