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Traffic Rank

39,455 most visited website in the World Trend: down (+1,716)
4,160 most visited website in CN China
Traffic Rank is provided by Alexa

Visitors Localization

Low map legend High
CountryPercentDomain (ccTLD)Status
CN China98.9%bigdata.cnNot available.
US United States0.6%bigdata.usNot available.
Registering country code top level domains (ccTLD) can prevent potential competitors from taking advantage of your primary domain reputation. It is also one of the ways to improve country specific SEO and performance. (


We have located images with missing ALT attribute.
Number of images: 57
Missing alt tag: 4

List of images with missing ALT attributes:

  • //
  • //
  • //
  • //
The "alt" attribute provides a text equivalent for the image. If the browser cannot display an image the alt description will be given in its place. Furthermore, some visitors cannot see images as they might be blind in which the alt tag provides a valuable image description. Finally, search engines utilize the alt attribute for image search indexing. (


We have found following title:


Length: 29 characters
The <TITLE> element provides a short piece of text describing the document. The title is very important as it shows in the window title bars, bookmarks and search results. Title should be between 60 to 80 characters long. (

Description Metatag

We have found following description:


Length: 174 characters

Warning: The description is 174 characters long. The optimal description should not exceed 160 characters (

The description attribute should provide a concise explanation of a Web page's content. Also, the description is often displayed on search engine results and can indirectly affect page ranking.

Keywords Metatag

We have found 13 keywords:
  • 大数据
  • 大数据分析
  • 数据可视化
  • 人工智能
  • 大数据学习
  • 大数据解决方案
  • 商业智能
  • 慧都大数据
  • 机器学习
  • 大数据处理
  • 大数据分析平台
  • 大数据工具
  • 数据挖掘
Length: 75 characters
The keywords attribute was utilized by search engines to provide more accurate search results. Due to the over usage and spamming the keywords attribute has been phased out and is no longer relevant. Google doesn't use the "keywords" meta tag in web search ranking.

Text to HTML Ratio

The Text to HTML ratio is 23.29%
Original content is by far the single most important element to search engines. Low Text to HTML ratio indicates little content for search engines to index. We consider it to be good practice to have a Text to HTML ratio of at least 10% and ideal above 20%

Keyword Density & Consistency

Consistent Keywords % Density # Count T Title D Desc. H <H> A ALT B <b>
流计算框架 flink0.69%3-----
flink 与0.69%3-----
与 storm0.69%3-----
storm 的性能对比0.69%3-----
new internet0.46%2--1--
流计算框架 flink 与0.69%3-----
flink 与 storm0.69%3-----
与 storm 的性能对比0.69%3-----
ibm spss modeler0.46%2--1--
前端必备!十大热门的 javascript 框架和库0.46%2--1--

Warning: Keywords density of above 6% might have negative impact on search engine listing

Keywords density and consistency are notable factors for optimal page SEO. Preferred keywords should have higher keywords density indicating their importance. Optimally, preferred keywords should also be consistently utilized in multiple essential areas of the page such as title, description meta tag, h1 through h6 headings, alt image attributes, backlinks and internal links anchor text. Keyword density of above 6% can indicate that the word or a phrase appears too many time in the content.


No frames detected.
It is not recommended to use frames or iframes because they can cause problems for search engines. It is best to avoid frames and inline frames whenever possible ( If frames must be utilized consider <noframes> tag. (


No flash detected.
Flash and other reach-media technologies should primarily be utilized for decorative purposes. This makes your site more search engine friendly and improves accessibility (


  • 1 <H1>
    • 慧都大数据
  • 13 <H2>
    • 最新文章
    • 近期热门
    • 线下活动
    • 大数据
    • 人工智能
    • 云计算
    • 数据可视化
    • 物联网
    • 智能机器人 | 无人机 | 机器学习
    • 资源下载专区
    • 程序人生
    • 大数据企业
    • 大数据图书馆
  • 37 <H3>
    • 邀请函丨IBM 手把手教您快速成为分析专家训练营(WA&Cognos)
    • 2017第二届中国国际大数据产业博览会暨高峰论坛
    • 2017全球云计算大会 · 中国站
    • SPSS统计分析与数据挖掘师资研修班(通知及在线报名)
    • 2017人工智能与机器人创新大会
    • 企业发展滞缓,还不是因为踩了这四个数据大坑
    • 物联网、云计算、大数据、人工智能之间有怎样的联系和区别?
    • 什么是IaaS? 现代数据中心平台
    • 互联网不只是北上广!河南也有云计算的先锋
    • 湖南永州以大数据和警务云引领社会治安防控体系转型
    • 如何扛住1.8亿/秒的双11数据洪峰?阿里流计算技术全揭秘
    • 企业发展滞缓,还不是因为踩了这四个数据大坑
    • 拿走不谢 | 100+大数据开源处理工具汇总
    • IBM SPSS Modeler 18.1最新版本正式发布 | 附下载
    • 速度收藏 | 100+篇大数据、数据分析、数据挖掘电子书免费下载!
    • 前端必备!十大热门的 JavaScript 框架和库
    • 15个适合初学者学习C#编程语言的在线资源丨附地址
    • 谁也别拦我!今天我要曝光JavaScript 资源大全中文版!
    • 10个学习JavaScript的免费在线资源丨附地址
    • 福利来了,iOS资源大全中文版!
    • 看了记得回来赞我——Java资源大全中文版
    • 算法很难,编程不易,程序员的苦,谁懂?
    • 来自网络,写的不错,相信你也会有所触动!
    • 优秀的程序员10分钟内能搞定下面5个编程问题,你呢?
    • 程序员常去的14个顶级开发社区
    • 程序猿,让我来告诉你怎么追女生!!!
    • IBM
    • Cloudera
    • 帆软软件
    • Oracle
    • Tableau
    • 图书: 大数据时代
    • 图书: 决战大数据
    • 数据天才:数据科学家修炼之道
    • 大数据日知录: 架构与算法
    • New Internet: 大数据挖掘
    • 友情链接
  • 0 <H4>
  • 0 <H5>
  • 0 <H6>
The <h1> to <h6> tags are used to define HTML headings. The <h1> tag should hold the title describing the content of a specific page therefore only one h1 tag is needed per page. There can be any number of h2 - h6 tags but they should be added in order of importance (


The <!DOCTYPE> declaration tells the web browser about what version of HTML the page is written in. It is good practice to always add the <!DOCTYPE> declaration to the HTML documents, so that the browser knows what type of document to expect. (

Character Encoding

UTF-8 (Unicode)
Covers: Worldwide
To display an HTML page correctly, the browser must know what character-set to use.


Declared Language: zh-CN (Chinese)
Language Attribute: zh-CN (Chinese)
The HTML "lang" attributes and language metatag define the base language to be used for displaying text and characters on a Website.

W3C Markup Validation

Status: FAILED [12 errors, 2 warning(s)]
It is good practice to use valid HTML/XHTML markup as it ensures that the search engines can read the website correctly as well as it improves cross browser compatibility (W3C Markup Validation Service).

Deprecated HTML elements

Good, no deprecated elements found.
A deprecated element is one that has been outdated by newer constructs. Deprecated elements may become obsolete in future versions of HTML so it is recommended not to use them. (

Nested HTML Tables

Great, no nested tables detected.
In general it is not recommended to use nested tables or to utilize tables for page layout. Nested tables are known to cause performance issues due to increased HTML size and rendering time. It is better to use CSS layout instead.

Web Analytics

No web anlytics tools found.
Web Analytics Tools collect and measure information about visitor activity on a website. Well interpreted web traffic data is invaluable in determining a successfully web strategy and assessing the effectiveness of a website. At a minimum, we recommend to utilize at least one web analytics tool.



Your robots.txt file is blocking search engines access to parts of the website.

User-agent: *
  • Disallow: /wp-admin/
  • Allow: /wp-admin/admin-ajax.php
A robots.txt file restricts access to search engine robots that crawl the web. (

XML Sitemap

Not found
Sitemaps inform search engines about pages available for crawling. In its simplest form, a Sitemap is an XML file that lists URLs for a site along with additional metadata about each URL. XML sitemap should help search engines to crawl the site more intelligently. (

Accessibility Check

Data could not be obtained.
Following Web accessibility standards while developing a website can help users with specific needs, such as visually impaired, motor/mobility, auditory, seizures, as well as cognitively and intellectually impaired disabilities. Some of these fixes include general seo applications like Alt tags, Form labels, fixing empty links and adding alternative text. To read more about accessibility guidelines follow this link Web Content Accessibility Guidelines (WCAG) Overview.

Mobile Rendering

Mobile internet usage has been exceeding PC's since 2014 and growing so it is critical for pages to render correctly on mobile devices.

Mobile Optimization

Mobile PageSpeed analyzes webpages and evaluates its performance while providing suggestions on reducing page load times. Google is incorporating website speed in search ranking (

Mobile Experience

Mobile users have now become a critical part of online visits. Making the website mobile friendly is no longer an option but rather necessity. (


The Favicon is a small icon associated with a website. The Favicon is important because it is displayed next to the website's URL in the address bar of the browser as well as in bookmarks and shortcuts.

Custom 404 Error Page

Yes, custom 404 error page detected.
A 404 is a standard http response code for a resource that cannot be located on the server. Web servers usually return a "404 Not Found" error page for non-existing pages. Unfortunately, these default error pages are very generic and a not very user friendly, therefore, using a custom 404 error page is highly recommended.

Process of returning http status code "200 OK" for a non-existent page or redirecting users to another url is called soft 404. Soft 404 errors are problematic for search engines and are not advisable. (


Could not locate print-friendly CSS.
Print-friendly pages are designed to fit on an 8.5"x11" or A4 sheet and usually include only the content of the page, along with source information. (

W3C CSS Validation

Status: FAILED [129 error(s)]
It is recommended to use valid CSS to ensure that the website displays correctly. (W3C CSS Validation Service).

Domain Age

Your domain was registerd for the first time: 14 years, 1 month, 17 hours ago.
Age of the domain is one of the many signals that search engines utilize for ranking. Brand new domains generally have more difficult time to rank high for the first few months. (

Domain Expiration

Your domain expires in: 10 months, 29 days, 6 hours.
Domain expiration far in to the future is considered a good practice as it promotes confidence in your website, decreases chances of losing domain and in certain cases might help with search engine ranking. (

IP Canonicalization

No, your site's IP does not redirect to
Some web spiders index websites using IP as well as domain name which can cause duplicate content if there is no IP Canonicalization. (

URL Canonicalization

No, the and do not resolve to the same URL.
Domain name with WWW and without can be considered as different pages causing duplicate content for search engines. (

Page Speed

Google Page Speed score: 48% (Low)
Rq. Requests Hst. Hosts LT Load time Html Img Images JS JavaScript CSS F Flash O Other PS Page Size
7837.68s87.96 KB1.1 MB208.54 KB154.71 KB0 B77.36 KB1.62 MB

Avoid landing page redirects
Enable compression
Leverage browser caching
Reduce server response time
Minify CSS
Minify HTML
Minify JavaScript
Eliminate render-blocking JavaScript and CSS in above-the-fold content
Optimize images
Prioritize visible content

Subscribe for more details
PageSpeed analyzes webpages and evaluates its performance while providing suggestions on reducing page load times. Google is now incorporating website speed in search ranking (

Server Information


Hangzhou Alibaba Advertising Co.,Ltd.
Server IP:
Server Location:

Name Server 1: (
Name Server 2: (
Your server's IP address and location have minor impact on the country specific SEO. It is recommend to host the website in the country where the number of vistors is desired to be the highest. Search engines take the geolocation of a server into account. (


No HTTPS (SSL) found.
Google™ is now treating HTTPS as a ranking signal. HTTPS is a secure web protocol that allows for encrypted communication between website and the client. HTTPS protocol requires your website to have an SSL certificate, which can be purchased from a Certificate Authority (CA) or SSL vendor. (

Safe Browsing

Safe Browsing is a service provided by Google that enables applications to check URLs against Google's constantly updated lists of suspected phishing and malware pages. If your site is marked as unsafe see our guide on how to fix websites blocked by google safe browsing

Spam Blacklist

Good, your IP is not blacklisted.
Spammer directories provide lists of IPs from which spam distribution is reported. Emails sent from the blocked IPs are subject to closer scrutiny and are much less likely to be delivered. For email campaigns it is recommended to utilize professional email services to ensure that your website IP is not blocked. (

Email Address Obfuscation

Great, this webpage does not contain email addresses displayed in plain text.
It is recommended to obfuscate email addresses posted in public. This prevents email addresses from being automatically harvested by spam bots which helps to decrease number of unsolicited emails. See our email obfuscation techniques guide for more details.

Directory Browsing

Great, your server has directory browsing disabled.
Protect Webserver directories from unwanted browsing. To enhance security, directory browsing should be disabled unless you have a specific reason to enable it. If you enable directory browsing, make sure that you only enable it on the particular directory or directories that you want to share. (

Whois Privacy

No contact information available.
Whois Privacy is a service that prevents domain owner contact information from being displayed in the publicly available Whois records. This can help to cut down on unwanted spam but utilizing Whois privacy should be evaluated against business model and branding strategy.

Server Signature

On, Apache/2.2.15 (CentOS) PHP/5.3.3
Attackers can utilize server signature versioning information to their advantage therefore it is recommended to disable it when possible.