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Db-class.org
Introduction to Databases
Added: 2015-04-01 00:00:00 (10 years, 3 months, 29 days ago)
Db-class.org is ranked #102,502 among the most popular web sites, the lower the rank indicator the more popular is the web site and the more visitors it has. Db-class.org is registered in 2011-08-11 owned by Andrew Ng, website’s age 13 years, 11 months, 19 days years. The number of unique users visiting this website every day is 4,155. Each individual visits 2 unique pages per day. Approximate time spent on a web site 02:11. It has an average of 48 pages indexed in major search engines like Google™. There are an average of 538 links pointing back to db-class.org from other websites. Db-class.org daily advertisement revenue is $83 USD. According to our analysis the approximate value of the website is $29,916 US Dollars. Most popular search engine request "db-class". Website’s IP address is 50.16.53.44 which is hosted by Amazon.com, site server is located in Seattle WA in United States. Google PageRank™ of the website is 6 of 10. Db-class.org reputation rank is 96 of 100. Average time of a website’s page load is 1.57656 seconds. The web site is not listed in DMOZ open directory project.
4,155
visitors/daily
$83 USD
daily
$29,916 USD
total
| Overview Information about Db-class.org | |
|---|---|
| Title |
|
| Alexa Rank | #102,502 |
| Alexa Backlinks | 538 |
| Estimated Daily Traffic | 4,155 visitors |
| Estimated Daily Revenue | $83.10 USD |
| Website Worth | $29,916.00 USD |
| Domain Name | Db-class.org |
| Domain Created | 2011-08-11 (13 years, 11 months, 19 days ago) |
| Domain Expires | 2012-08-11 (in 12 years, 11 months, 19 days) |
| Domain Registrar | Public Interest Registry |
| Domain Owner | Andrew Ng |
| Domain Nameservers |
ns33.domaincontrol.com (216.69.185.17) ns34.domaincontrol.com (208.109.255.17) |
| Google Analytics ID | UA-4245877 |
| Google PageRank™ |
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|
| Google Indexed | 48 pages |
| Yahoo Indexed | 4 pages |
| Bing Indexed | 3 pages |
| Average Load Time | 1.58 second(s) |
| Server IPs | 50.16.53.44 |
| Server Provider | Amazon.com |
| Server Location | 
United States, Seattle |
Are you an owner of this website? Place our automatic pinging button on your site and it will be automatically pinged when you press this button.
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Db-class.org is visited by around 4,155 unique visitors per day. Every visitor of this website viewing approximately 2 pages per day.
We found 538 backlinks to Db-class.org from other web sites. The largest number of backward links are 0, the smallest number of links are 0, the average number of links are 0 refer to this web site.
Using information from users, and other reliable sources, Db-class.org has the reputation 96 out of 100.
- Trustworthiness is 93 points. Shows general level of users trust for this website.
- Vendor reliability is 97 points. This shows the trust level for business operations on the website.
- Privacy is 97 points. The trust level for protection of users privacy.
- Child Safety is 97 points. Trust level for its availability for children.
Main HTML elements that might affect on search engines ranking.
| <H1> Tags: | 0 | <H2> Tags: | 0 |
|---|---|---|---|
| <H3> Tags: | 0 | <H4> Tags: | 0 |
| <H5> Tags: | 0 | <H6> Tags: | 0 |
| IFrames: | 0 | Flash: | No |
| Total Links: | 0 | Total Images: | 0 |
| Language: | English | Text/Html Ratio: | - |
| Doctype: | No | Microformats: | Not found |
The top queries driving traffic to Db-class.org from search engines.
| Query | Search Traffic |
|---|---|
| db class | 22.02% |
| db-class | 20.78% |
| introduction to database | 15.55% |
| dbclass | 11.85% |
| introduction to databases | 3.33% |
| db-class.org | 3.13% |
| stanford database class | 2.66% |
| database class | 1.60% |
| db classes | 1.53% |
| introduction database software | 1.40% |
High impact keywords that attract search engine traffic.
Visitor's map indicates that Db-class.org has 4,155 daily visitors from 3 countries, 22.40% of visitors come from Japan 
.
| Country | Percent of Visitors | Daily Visitors |
|---|---|---|
| Japan |
22.40% | 931 |
| United States |
12.00% | 499 |
 Brazil |
9.90% | 411 |
Detailed information about the server that hosts Db-class.org
| Server IPs: | 50.16.53.44 |
|---|---|
| Server Name: | Apache/2.2.17 (Ubuntu) |
| Server Provider: | Amazon.com |
| Server Location: |
Seattle WA in United States
|
| Powered By: | PHP/5.3.5-1ubuntu7.4 |
| Average Load Time: | 1.58 second(s) |
Server located:
Seattle WA in United States
The IP address of Db-class.org is 50.16.53.44.
From the HTTP headers of Db-class.org, you will know that HTTP status code is HTTP/1.1 200 OK, server name is Apache/2.2.17 (Ubuntu).
| HTTP/1.1 200 OK |
| Accept-Ranges : bytes |
| Cache-Control : no-cache, must-revalidate, post-check=0, pre-check=0 |
| Content-Type : text/html |
| Date : Sat, 10 Mar 2012 11:40:41 GMT |
| Expires : Sat, 26 Jul 1997 05:00:00 GMT |
| Server : Apache/2.2.17 (Ubuntu) |
| X-Powered-By : PHP/5.3.5-1ubuntu7.4 |
| transfer-encoding : chunked |
| Connection : keep-alive |
The ratio of outbound links to inbound links influences the distribution of the weight of a website as a whole.
- This website contains 0 outbound links. The maximum value is 0, the minimum value is 0, while the average value is 0.
- This website contains 0 internal links. The maximum value is 0, the minimum value is 0, while the average value is 0.
The chart shows how Db-class.org indexed in major search engines.
- Google indexed 48 pages. The maximum value is 0, the minimum value is 0, while the average value is 0.
- Yahoo indexed 4 pages. The maximum value is 0, the minimum value is 0, while the average value is 0.
- Bing indexed 3 pages. The maximum value is 0, the minimum value is 0, while the average value is 0.
PageRank™ is a link analysis algorithm used by Google™.
Google™ assigned this website a Pagerank of 6. The maximum value is 0, the minimum value is 0, while the average value is 0.
The W3C Markup Validation Service is a validator by the World Wide Web Consortium (W3C), which allows Internet users to check HTML and XHTML documents for well-formed markup.
- This website has 0 Error(s). The maximum value is 0, the minimum value is 0, while the average value is 0.
- This website has 0 Warning(s). The maximum value is 0, the minimum value is 0, while the average value is 0.
- Validation details: W3C HTML Validation.
Links (even if they have nofollow attributes) from major social networks is a "human" signal for search engines, which has some influence (non-determining influence) on the position of your website in search results.