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Web Frameworks

21 xdf.cn Last Updated: 9 months

Success 55% of passed verification steps
Warning 30% of total warning
Errors 15% of total errors, require fast action

Desktop

Mobile

Performance Desktop Score 38%
Best Practices Desktop Score 54%
SEO Desktop Score 78%
Progressive Web App Desktop Score 0%
Performance Mobile Score 30%
Best Practices Mobile Score 77%
SEO Mobile Score 100%
Progressive Web App Mobile Score 15%
Page Authority Authority 52%
Domain Authority Domain Authority 28%
Moz Rank 5.2/10
Bounce Rate Rate 0%
Charset Encoding
Great, language/character encoding is specified: UTF-8
Title Tag 29 Characters
新东方网-一站式学习服务平台-新东方-新东方首页-新东方网
Meta Description 120 Characters
新东方网(www.xdf.cn)是新东方教育科技集团推出的一站式学习互动交流平台,新东方网的内容涵盖了英语学习规划、成长导航、新东方搜课、新东方老师答问、在线咨询、网上测评、学习资讯、新东方学员服务、新东方社区等,更多精彩内容尽在新东方网。
Effective URL 17 Characters
http://www.xdf.cn
Excerpt Page content
新东方网-一站式学习服务平台-新东方-新东方首页-新东方网 教育头条 小学 中学 留学 英语学习 大学 儿童成长中悲剧频频发生 监...
Keywords Cloud Density
2019中考试题5 查看详情3 成绩查询2 阅读词汇和考试高频词汇2 2020考研2 高考后留学2 在线咨询2 四级辅导2 小学英语词汇图解+联想记忆法2 掌握英语核心词汇2
Keyword Consistency Keyword density is one of the main terms in SEO
Keyword Freq Title Desc Domain H1 H2
2019中考试题 5
查看详情 3
成绩查询 2
阅读词汇和考试高频词汇 2
2020考研 2
高考后留学 2
在线咨询 2
四级辅导 2
小学英语词汇图解+联想记忆法 2
掌握英语核心词汇 2
Google Preview Your look like this in google search result
新东方网-一站式学习服务平台-新东方-新东方首页-新东方网
http://www.xdf.cn
新东方网(www.xdf.cn)是新东方教育科技集团推出的一站式学习互动交流平台,新东方网的内容涵盖了英语学习规划、成长导航、新东方搜课、新东方老师答问、在线咨询、网上测评、学习资讯、新东方学员服务、新东方社区等,更多精彩内容尽在新东方网。
Robots.txt File No Found
Sitemap.xml File Detected
Whois Is a query and response protocol that is widely used for querying databases that store the registered users or assignees of an Internet resource, such as a domain name, an IP address block, or an autonomous system
Updated: 1970-01-01 / 51 years
Create on: 1970-01-01 / 51 years
Expires on: 1970-01-01 / 617 months 13 days

Nameservers
cns1.zdnscloud.net
dns1.zdnscloud.info
ins1.zdnscloud.com
vns1.zdnscloud.biz
Page Size Code & Text Ratio
Document Size: ~71.54 KB
Code Size: ~36.75 KB
Text Size: ~34.79 KB Ratio: 48.63%

Estimation Traffic and Earnings

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Technologies

PWA - Manifest

Manifest is not valid
Your site don't have valid manifest.json, read more in Web App Manifest

Desktop

Desktop Screenshot
Serve images in next-gen formats Potential savings of 5,708 KB
Image formats like JPEG 2000, JPEG XR, and WebP often provide better compression than PNG or JPEG, which means faster downloads and less data consumption
Does not use HTTPS 358 insecure requests found
All sites should be protected with HTTPS, even ones that don't handle sensitive data. HTTPS prevents intruders from tampering with or passively listening in on the communications between your app and your users, and is a prerequisite for HTTP/2 and many new web platform APIs
Reduce server response times (TTFB) Root document took 1,130 ms
Time To First Byte identifies the time at which your server sends a response
Eliminate render-blocking resources Potential savings of 360 ms
Resources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles
Enable text compression Potential savings of 1,215 KB
Text-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes
Efficiently encode images Potential savings of 2,762 KB
Optimized images load faster and consume less cellular data
Minimize third-party usage Third-party code blocked the main thread for 0 ms
Third-party code can significantly impact load performance. Limit the number of redundant third-party providers and try to load third-party code after your page has primarily finished loading
Total Blocking Time 180 ms
Sum of all time periods between FCP and Time to Interactive, when task length exceeded 50ms, expressed in milliseconds.
Reduce JavaScript execution time 1.6 s
Consider reducing the time spent parsing, compiling, and executing JS. You may find delivering smaller JS payloads helps with this
Server Backend Latencies 0 ms
Server latencies can impact web performance. If the server latency of an origin is high, it's an indication the server is overloaded or has poor backend performance
Defer offscreen images Potential savings of 2,515 KB
Consider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive
Properly size images Potential savings of 2,565 KB
Serve images that are appropriately-sized to save cellular data and improve load time
Speed Index 6.9 s
Speed Index shows how quickly the contents of a page are visibly populated
First CPU Idle 4.2 s
First CPU Idle marks the first time at which the page's main thread is quiet enough to handle input. [Learn more](https://web.dev/first-cpu-idle).
Avoid enormous network payloads Total size was 16,120 KB
Large network payloads cost users real money and are highly correlated with long load times
Minimize main-thread work 5.8 s
Consider reducing the time spent parsing, compiling and executing JS. You may find delivering smaller JS payloads helps with this
First Contentful Paint 0.9 s
First Contentful Paint marks the time at which the first text or image is painted
Includes front-end JavaScript libraries with known security vulnerabilities 3 vulnerabilities detected
Some third-party scripts may contain known security vulnerabilities that are easily identified and exploited by attackers
Avoid chaining critical requests 8 chains found
The Critical Request Chains below show you what resources are loaded with a high priority. Consider reducing the length of chains, reducing the download size of resources, or deferring the download of unnecessary resources to improve page load
Avoid an excessive DOM size 2,259 elements
A large DOM will increase memory usage, cause longer [style calculations](https://developers.google.com/web/fundamentals/performance/rendering/reduce-the-scope-and-complexity-of-style-calculations), and produce costly [layout reflows](https://developers.google.com/speed/articles/reflow)
Minify JavaScript Potential savings of 9 KB
Minifying JavaScript files can reduce payload sizes and script parse time
First Meaningful Paint 1.4 s
First Meaningful Paint measures when the primary content of a page is visible
Keep request counts low and transfer sizes small 425 requests • 16,120 KB
To set budgets for the quantity and size of page resources, add a budget.json file
Use video formats for animated content Potential savings of 1,362 KB
Large GIFs are inefficient for delivering animated content. Consider using MPEG4/WebM videos for animations and PNG/WebP for static images instead of GIF to save network bytes
Serve static assets with an efficient cache policy 300 resources found
A long cache lifetime can speed up repeat visits to your page
Max Potential First Input Delay 330 ms
The maximum potential First Input Delay that your users could experience is the duration, in milliseconds, of the longest task
Time to Interactive 6.3 s
Time to interactive is the amount of time it takes for the page to become fully interactive
Network Round Trip Times 0 ms
Network round trip times (RTT) have a large impact on performance. If the RTT to an origin is high, it's an indication that servers closer to the user could improve performance
Page load is not fast enough on mobile networks Interactive on simulated mobile network at 47.7 s
A fast page load over a cellular network ensures a good mobile user experience
Estimated Input Latency 30 ms
Estimated Input Latency is an estimate of how long your app takes to respond to user input, in milliseconds, during the busiest 5s window of page load. If your latency is higher than 50 ms, users may perceive your app as laggy
Minify CSS Potential savings of 4 KB
Minifying CSS files can reduce network payload sizes
Remove unused CSS Potential savings of 267 KB
Remove dead rules from stylesheets and defer the loading of CSS not used for above-the-fold content to reduce unnecessary bytes consumed by network activity

Mobile

Mobile Screenshot
Reduce server response times (TTFB) Root document took 1,040 ms
Time To First Byte identifies the time at which your server sends a response
Eliminate render-blocking resources Potential savings of 1,490 ms
Resources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles
Enable text compression Potential savings of 533 KB
Text-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes
Efficiently encode images Potential savings of 299 KB
Optimized images load faster and consume less cellular data
Minimize third-party usage Third-party code blocked the main thread for 130 ms
Third-party code can significantly impact load performance. Limit the number of redundant third-party providers and try to load third-party code after your page has primarily finished loading
Total Blocking Time 590 ms
Sum of all time periods between FCP and Time to Interactive, when task length exceeded 50ms, expressed in milliseconds.
Reduce JavaScript execution time 1.3 s
Consider reducing the time spent parsing, compiling, and executing JS. You may find delivering smaller JS payloads helps with this
Server Backend Latencies 0 ms
Server latencies can impact web performance. If the server latency of an origin is high, it's an indication the server is overloaded or has poor backend performance
Defer offscreen images Potential savings of 764 KB
Consider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive
Speed Index 10.0 s
Speed Index shows how quickly the contents of a page are visibly populated
First CPU Idle 10.2 s
First CPU Idle marks the first time at which the page's main thread is quiet enough to handle input. [Learn more](https://web.dev/first-cpu-idle).
Avoids enormous network payloads Total size was 1,838 KB
Large network payloads cost users real money and are highly correlated with long load times
Minimize main-thread work 3.3 s
Consider reducing the time spent parsing, compiling and executing JS. You may find delivering smaller JS payloads helps with this
First Contentful Paint 2.9 s
First Contentful Paint marks the time at which the first text or image is painted
Includes front-end JavaScript libraries with known security vulnerabilities 3 vulnerabilities detected
Some third-party scripts may contain known security vulnerabilities that are easily identified and exploited by attackers
Avoid chaining critical requests 10 chains found
The Critical Request Chains below show you what resources are loaded with a high priority. Consider reducing the length of chains, reducing the download size of resources, or deferring the download of unnecessary resources to improve page load
Avoids an excessive DOM size 439 elements
A large DOM will increase memory usage, cause longer [style calculations](https://developers.google.com/web/fundamentals/performance/rendering/reduce-the-scope-and-complexity-of-style-calculations), and produce costly [layout reflows](https://developers.google.com/speed/articles/reflow)
Minify JavaScript Potential savings of 154 KB
Minifying JavaScript files can reduce payload sizes and script parse time
First Meaningful Paint 4.1 s
First Meaningful Paint measures when the primary content of a page is visible
Keep request counts low and transfer sizes small 96 requests • 1,842 KB
To set budgets for the quantity and size of page resources, add a budget.json file
Serve static assets with an efficient cache policy 63 resources found
A long cache lifetime can speed up repeat visits to your page
Max Potential First Input Delay 160 ms
The maximum potential First Input Delay that your users could experience is the duration, in milliseconds, of the longest task
Time to Interactive 11.8 s
Time to interactive is the amount of time it takes for the page to become fully interactive
Network Round Trip Times 0 ms
Network round trip times (RTT) have a large impact on performance. If the RTT to an origin is high, it's an indication that servers closer to the user could improve performance
Page load is not fast enough on mobile networks Interactive at 11.8 s
A fast page load over a cellular network ensures a good mobile user experience
First Contentful Paint (3G) 5903 ms
First Contentful Paint 3G marks the time at which the first text or image is painted while on a 3G network
Estimated Input Latency 50 ms
Estimated Input Latency is an estimate of how long your app takes to respond to user input, in milliseconds, during the busiest 5s window of page load. If your latency is higher than 50 ms, users may perceive your app as laggy
Minify CSS Potential savings of 8 KB
Minifying CSS files can reduce network payload sizes
Tap targets are sized appropriately 100% appropriately sized tap targets
Interactive elements like buttons and links should be large enough (48x48px), and have enough space around them, to be easy enough to tap without overlapping onto other elements
Document uses legible font sizes 76.6% legible text
Font sizes less than 12px are too small to be legible and require mobile visitors to “pinch to zoom” in order to read. Strive to have >60% of page text ≥12px
Remove unused CSS Potential savings of 33 KB
Remove dead rules from stylesheets and defer the loading of CSS not used for above-the-fold content to reduce unnecessary bytes consumed by network activity
Serve images in next-gen formats Potential savings of 581 KB
Image formats like JPEG 2000, JPEG XR, and WebP often provide better compression than PNG or JPEG, which means faster downloads and less data consumption
Does not use HTTPS 81 insecure requests found
All sites should be protected with HTTPS, even ones that don't handle sensitive data. HTTPS prevents intruders from tampering with or passively listening in on the communications between your app and your users, and is a prerequisite for HTTP/2 and many new web platform APIs
Avoid multiple page redirects Potential savings of 630 ms
Redirects introduce additional delays before the page can be loaded

Speed And Optimization Tips

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Alexa Rank

0

Local Rank: / Users: / PageViews:

Global Rank

Information Server

Response Header HTTP headers carry information about the client browser, the requested page and the server
HTTP/1.1 200 OK
Content-Type: text/html; charset=utf-8
Connection: keep-alive
Server: nginx
Date: Mon, 09 Dec 2019 05:06:37 GMT
Vary: Accept-Encoding
Expires: Mon, 09 Dec 2019 05:11:37 GMT
Cache-Control: max-age=300
Content-Encoding: gzip
DNS Records DNS Resource Records associated with a hostname
View DNS Records

Comments

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