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Top Technologies

Nginx
Web Servers
Google Analytics
Analytics
Apache
Web Servers
Google Font API
Font Scripts
Google Tag Manager
Tag Managers
Twitter Bootstrap
Web Frameworks
CloudFlare
CDN
Facebook
Widgets

83 csdn.net Last Updated: 1 year

Success 47% of passed verification steps
Warning 20% of total warning
Errors 33% of total errors, require fast action
PageSpeed Desktop Score 49%
Pagespeed Mobile Score 55%
Domain Authority Score 77%
Usability Score 100%
Page Authority Authority 54%
Moz Rank 4.7/10
Bounce Rate Rate 35%
Charset Encoding
Great, language/character encoding is specified: UTF-8
Title Tag 13 Characters
CSDN-专业IT技术社区
Meta Description 0 Characters
NO DATA
Effective URL 20 Characters
https://www.csdn.net
Excerpt Page content
CSDN-专业IT技术社区 推荐 最新文章 关注 ...
Keywords Cloud Density
内容质量差22 选择理由22 推荐理由22 精准屏蔽22 业界最新9 最新文章7 9999+5 运营精选5 数据与算法之美3 人工智能2
Keyword Consistency Keyword density is one of the main terms in SEO
Keyword Freq Title Desc Domain H1 H2
内容质量差 22
选择理由 22
推荐理由 22
精准屏蔽 22
业界最新 9
最新文章 7
9999+ 5
运营精选 5
数据与算法之美 3
人工智能 2
Google Preview Your look like this in google search result
CSDN-专业IT技术社区
https://www.csdn.net
CSDN-专业IT技术社区 推荐 最新文章 关注 ...
Robots.txt File Detected
Sitemap.xml File No Found
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: 2017-03-10 / 2 years
Create on: 1999-03-11 / 20 years
Expires on: 2020-03-11 / 8 months 27 days

Network Solutions, LLC. ,
Registrar Whois Server: whois.networksolutions.com
Registrar URL: http://networksolutions.com

Nameservers
NS3.DNSV3.COM
NS4.DNSV3.COM
Page Size Code & Text Ratio
Document Size: ~97.78 KB
Code Size: ~52.4 KB
Text Size: ~45.38 KB Ratio: 46.41%

Social Data

Delicious Total: 0
Facebook Total: 26
Google Total: 0
Linkedin Total: 0
Pinterest Total: 6
Stumbleupon Total: 29
Tumblr Total: 0
Vk Total: 0

Estimation Traffic and Earnings

826,518
Unique Visits
Daily
1,529,058
Pages Views
Daily
$2,952
Income
Daily
23,142,504
Unique Visits
Monthly
43,578,153
Pages Views
Monthly
$73,800
Income
Monthly
267,791,832
Unique Visits
Yearly
513,763,488
Pages Views
Yearly
$779,328
Income
Yearly

Technologies

PWA - Manifest

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

Google PageSpeed Insights

Google Stats This test checks to see if a page has applied common performance best practices.
Number Resources:
96
Number Hosts:
10
Total Request:
8.57 KB
Number Static Resources:
70
HTML Response:
93.76 KB
CSS Response:
253.3 KB
Image Response:
3.29 MB
Javascript Response:
578.51 KB
Other Response:
413 B
Number JS Resources:
21
Number CSS Resources:
6

Desktop

Desktop Screenshot
Avoid landing page redirects
Your page has no redirects. Learn more about avoiding landing page redirects.
Enable compression
Compressing resources with gzip or deflate can reduce the number of bytes sent over the network.
Leverage browser caching
Setting an expiry date or a maximum age in the HTTP headers for static resources instructs the browser to load previously downloaded resources from local disk rather than over the network.
Reduce server response time
In our test, your server responded in 0.29 seconds. There are many factors that can slow down your server response time. Please read our recommendations to learn how you can monitor and measure where your server is spen
Minify CSS
Compacting CSS code can save many bytes of data and speed up download and parse times.
Minify HTML
Compacting HTML code, including any inline JavaScript and CSS contained in it, can save many bytes of data and speed up download and parse times.
Minify JavaScript
Compacting JavaScript code can save many bytes of data and speed up downloading, parsing, and execution time.
Eliminate render-blocking JavaScript and CSS in above-the-fold content
Your page has 14 blocking script resources and 6 blocking CSS resources. This causes a delay in rendering your page.
Optimize images
Properly formatting and compressing images can save many bytes of data.
Prioritize visible content
Your page requires additional network round trips to render the above-the-fold content. For best performance, reduce the amount of HTML needed to render above-the-fold content.

Mobile

Mobile Screenshot
Avoid landing page redirects
Your page has no redirects. Learn more about avoiding landing page redirects.
Avoid plugins
Your page does not appear to use plugins, which would prevent content from being usable on many platforms. Learn more about the importance of avoiding plugins.
Configure the viewport
Your page specifies a viewport matching the device's size, which allows it to render properly on all devices. Learn more about configuring viewports.
Enable compression
Compressing resources with gzip or deflate can reduce the number of bytes sent over the network.
Leverage browser caching
Setting an expiry date or a maximum age in the HTTP headers for static resources instructs the browser to load previously downloaded resources from local disk rather than over the network.
Reduce server response time
Your server responded quickly. Learn more about server response time optimization.
Minify CSS
Compacting CSS code can save many bytes of data and speed up download and parse times.
Minify HTML
Compacting HTML code, including any inline JavaScript and CSS contained in it, can save many bytes of data and speed up download and parse times.
Minify JavaScript
Compacting JavaScript code can save many bytes of data and speed up downloading, parsing, and execution time.
Eliminate render-blocking JavaScript and CSS in above-the-fold content
Your page has 11 blocking script resources and 4 blocking CSS resources. This causes a delay in rendering your page.
Optimize images
Properly formatting and compressing images can save many bytes of data.
Prioritize visible content
Your page requires additional network round trips to render the above-the-fold content. For best performance, reduce the amount of HTML needed to render above-the-fold content.
Size content to viewport
The contents of your page fit within the viewport. Learn more about sizing content to the viewport.
Size tap targets appropriately
All of your page's links/buttons are large enough for a user to easily tap on a touchscreen. Learn more about sizing tap targets appropriately.
Use legible font sizes
The text on your page is legible. Learn more about using legible font sizes.

Speed And Optimization Tips

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Alexa Rank

52

Global Rank

15

China
Traffic
Search

Domain Available

Domain (TDL) and Typo Status
csdn.co Already Registered
csdn.us Available Buy Now!
csdn.com Already Registered
csdn.org Already Registered
csdn.net Already Registered
cdn.net Already Registered
dsdn.net Available Buy Now!
rsdn.net Already Registered

Information Server

Response Header HTTP headers carry information about the client browser, the requested page and the server
HTTP/1.1 200 OK
Server: openresty
Date: Fri, 04 May 2018 22:00:08 GMT
Content-Type: text/html; charset=UTF-8
Connection: keep-alive
Keep-Alive: timeout=20
Set-Cookie: uuid_tt_dd=10_31046382550-1525471208272-221381; Expires=Thu, 01 Jan 2025 00:00:00 GMT; Path=/; Domain=.csdn.net;
Set-Cookie: dc_session_id=10_1525471208272.991653; Expires=Thu, 01 Jan 2025 00:00:00 GMT; Path=/; Domain=.csdn.net;
Vary: Accept-Encoding
X-Powered-By: PHP/5.5.23
Set-Cookie: uuid_tt_dd=6189721850614108253_20180505; expires=Mon, 01-May-2028 22:00:08 GMT; Max-Age=315360000; path=/; domain=csdn.net
Content-Encoding: gzip
Strict-Transport-Security: max-age= 31536000
Response Server Information regarding a specific transfer
URL: https://www.csdn.net/
Content Type: text/html; charset=UTF-8
Http Code: 200
Header Size: 689 B
Request Size: 74 B
Total Time: 1.178791 seconds
Name Lookup Time: 1.2E-5 seconds
Pretransfer Time: 0.648529 seconds
Download Size: 11.09 KB
Speed Download: 11.09 KB Per seconds
Start Trransfer Time: 1.178552 seconds

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