htdp.org
How To Design Programs
Matthias Felleisen, Robert Bruce Findler, Matthew Flatt, Shriram Krishnamurthi; MIT Press, 2002, ISBN 0262062186. Teaches software design via Scheme language. [Online]
Statistics Summary for htdp.org
| Alexa Traffic Rank | Reputation | ||
|---|---|---|---|
317,150 Global Rank
Alexa Traffic RankA rough estimate of htdp.org's popularity. The rank is calculated using a combination of average daily visitors to htdp.org and pageviews on htdp.org over the past 3 months. The site with the highest combination of visitors and pageviews is ranked #1. Learn more. Updated Daily |
357,529 Rank in
US
Traffic Rank in CountryA rough estimate of htdp.org's popularity in a specific country. The rank by country is calculated using a combination of average daily visitors to htdp.org and pageviews on htdp.org from users from that country over the past 3 months. The site with the highest combination of visitors and pageviews is ranked #1 in that country. Updated Daily |
Sites Linking In
Sites Linking InA measure of htdp.org's reputation. The number of links to htdp.org from sites visited by users in the Alexa traffic panel. Links that were not seen by users in the Alexa traffic panel are not counted. Multiple links from the same site are only counted once. Updated Monthly |
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Traffic rank for htdp.org:
| Traffic Rank | Change | ||
| 1 month | 551,873 | +54,785 |  |
|---|---|---|---|
| 3 month | 317,150 | -107,125 |  |
Estimated percentage of global pageviews on htdp.org:
| Pageviews | Change | ||
| 1 month | 0.000006 | -20% | |
|---|---|---|---|
| 3 month | 0.000015 | +60% | |
Estimated percentage of global internet users who visit htdp.org:
| Reach | Change | ||
| 1 month | 0.00032 | +3% | |
|---|---|---|---|
| 3 month | 0.0005 | +30% | |
Estimated percentage of visits to htdp.org that consist of a single pageview:
| Bounce % | Change | ||
| 1 month | 60.5 | +109% | |
|---|---|---|---|
| 3 month | 43.6 | -31% | |
Estimated daily unique pageviews per user for htdp.org:
| Pageviews/User | Change | ||
| 1 month | 2.1 | -30% | |
|---|---|---|---|
| 3 month | 3.1 | +20% | |
Estimated daily time on site (mm:ss) for htdp.org:
| Time on Site | Change | ||
| 1 month | 00:55 | -16% | |
|---|---|---|---|
| 3 month | 01:19 | +48% | |
Estimated percentage of visits to htdp.org that came from a search engine:
| Search % | Change | ||
| 1 month | 5.3 | 0% | |
|---|---|---|---|
| 3 month | 6 | +161% | |
Average Load Time for Htdp.org
Speed time for htdp.org is not available.
United Kingdom
Where Visitors Go on Htdp.org
Subdomain
Percent of Visitors
htdp.org
100.00%
Audience Snapshot
Top Search Queries for Htdp.org
| Query | Percent of Search Traffic |
|---|
| 1 | design program | 32.91% |
| 2 | how to design programs | 14.26% |
| 3 | design programs | 8.62% |
| 4 | dr. scheme | 4.94% |
| 5 | how to design software | 3.32% |
| 6 | htdp | 3.16% |
| 7 | how to design computer programs | 2.44% |
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Search Traffic
The percentage of site visits from search engines.
| Period | Percent of Site Traffic |
|---|
| Last 30 days | 5.3% |
| Last 7 days | - |
| Yesterday | - |
Top Queries from Search Traffic
The top queries driving traffic to htdp.org from search engines. Updated monthly.
| Query | Percent of Search Traffic |
|---|
| 1 | design program | 32.91% |
| 2 | how to design programs | 14.26% |
| 3 | design programs | 8.62% |
| 4 | dr. scheme | 4.94% |
| 5 | how to design software | 3.32% |
| 6 | htdp | 3.16% |
| 7 | how to design computer programs | 2.44% |
| 8 | how to design programs pdf | 2.27% |
| 9 | desgn programe | 1.92% |
| 10 | drscheme | 1.39% |
Identify which keywords are searched for, which keywords drive the most traffic and what the PPC bids are using Trellian's KeywordDiscovery.com keyword tool.
Search Traffic on the Rise and Decline
The top queries from search engines driving relatively more/less traffic to htdp.org in the current month than the previous month. Updated monthly.
| Search Query | 1 Month Increase
The change in percentage of search traffic to htdp.org for each query.
|
|---|
| 1 | design programs | 5.30% |
| 2 | how to design software | 3.17% |
| 3 | htdp | 1.87% |
| 4 | programming design | 1.07% |
| 5 | how to design programs | 1.02% |
| 6 | how to design computer programs | 0.94% |
| 7 | how to design programs pdf | 0.83% |
| 8 | how to design a software | 0.63% |
| 9 | how to | 0.62% |
| 10 | typos | 0.50% |
| Search Query | 1 Month Decline
The change in percentage of search traffic to htdp.org for each query.
|
|---|
| 1 | design program | 18.04% |
| 2 | how to design | 1.55% |
| 3 | dr. scheme | 1.42% |
| 4 | desgn programe | 1.40% |
| 5 | design proframs | 0.75% |
| 6 | صور رسمات بسيطا | 0.17% |
| 7 | function with a slope | 0.16% |
| 8 | programs for book | 0.15% |
| 9 | taylor series computing | 0.12% |
| 10 | how to develop a program | 0.10% |
Search Advertising Metrics Highlights
Data provided by iSpionage. Visit iSpionage to discover additional information metrics for htdp.org.
| Last Month Stats (Estimated) | ||
|---|---|---|
| PPC Budget | ||
| Last Month Clicks | ||
| Avg. Ad Position | ||
| Google PPC Keywords | ||
| Yahoo PPC Keywords | ||
High Impact Search Queries for htdp.orgPopular queries that are relevant to this site and are actively targeted by competitors advertising on search engines. Click on queries below to discover who is advertising for these queries. |
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| Query
Query A phrase that drives traffic to “htdp.org” from search engines. This list also includes sub-phrases that account for a high percentage of this site's search traffic broken out separately. For example, if the site receives traffic for 'buy diamond ring', 'diamond necklace', and 'diamond bracelet', the word 'diamond' might also appear in the list. |
Impact Factor
Impact Factor A high value indicates that “htdp.org” is getting significant organic search traffic for queries containing these phrases, despite high advertising competition for these phrases. Impact Factor is a combined measurement of the importance of a particular phrase to the site's search traffic and the level of search engine advertising competition (QCI). The index is on a scale of 0 to 100. Updated Monthly |
Query Popularity
Query Popularity An estimate of how frequently users search for these keywords, on a scale from 0 to 100. Higher numbers indicate higher frequencies. Updated Monthly |
QCI
The Query Competition Index QCI indicates the typical number of ads displayed for keyword searches on major search engines. A large number of ads indicates strong advertising competition for a query. The index is on a scale from 0 to 100. Updated Monthly |
|---|---|---|---|
| design program | 38.40 | 32 | 36 |
| how to design programs | 20.17 | 17 | 40 |
| design programs | 13.38 | 13 | 48 |
| how to design | 9.71 | 17 | 31 |
| how to design software | 4.61 | 11 | 43 |
| how to design a software | 2.28 | 11 | 53 |
| programming design | 1.75 | 11 | 40 |
| design computer | 1.07 | 13 | 50 |
| program design | 1.06 | 13 | 30 |
| htdp | 1.02 | 14 | 10 |
| cs304 object oriented programming | 0.96 | 12 | 100 |
| to design | 0.72 | 6 | 40 |
| scheme | 0.60 | 38 | 14 |
| programe | 0.52 | 29 | 32 |
| computer programs | 0.42 | 15 | 28 |
| online book design software | 0.28 | 5 | 30 |
| typos | 0.25 | 29 | 12 |
| how to | 0.24 | 61 | 22 |
| programing design | 0.20 | 5 | 30 |
| online program | 0.19 | 4 | 54 |
| how to programming | 0.18 | 5 | 20 |
| program | 0.16 | 46 | 15 |
| how to programm | 0.15 | 7 | 30 |
| book design software | 0.14 | 8 | 27 |
| programs | 0.12 | 34 | 19 |
| design | 0.12 | 53 | 35 |
| to create | 0.11 | 9 | 35 |
| design of | 0.08 | 9 | 20 |
| object oriented programming | 0.08 | 37 | 14 |
| programme | 0.08 | 43 | 16 |
Search Engine Marketing (SEM) Activity by htdp.org
Ads for htdp.org have appeared on major search engines when people performed the queries below. Click on the queries below to discover more information.
No data available for htdp.org
Search Engine Marketing (SEM) Opportunities for htdp.orgQueries that provide opportunities for this site to advertise through Search Engine Marketing (SEM) to get more traffic. They are popular queries that are relevant to the site, and have low competition in search engine marketing. Learn More Many sites are actively advertising in search engines for the most valuable search queries. This high level of competition tends to result in high advertising costs, which makes it difficult to find attractive advertising opportunities. These opportunities may still exist, however, by looking at the "long tail". The long tail contains search queries with lower Query Popularity, but such queries also tend to have lower QCI. By advertising for many of these queries, sites may still be able to manage an effective search engine marketing campaign. Note that not all queries on the long tail may be very relevant to this site, but this list may contain a number of strong advertising candidates. |
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Shriram Krishnamurthi, Computer Science Department, Brown University, Box 1910
Providence, RI 02912
US
sk 60 [at] cs.brown.edu
Whois
Who is htdp.org? Whois lookup at GoDaddy.
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Review Summary for htdp.org
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Audience Demographics for Htdp.org
Relative to the general internet population how popular is htdp.org with each audience below?
Relative to the general internet population, 18-24 year olds are greatly over-represented at htdp.org. Confidence: medium
Relative to the general internet population, 25-34 year olds are under-represented at htdp.org.Confidence: medium
Relative to the general internet population, 35-44 year olds are under-represented at htdp.org.Confidence: medium
Relative to the general internet population, 45-54 year olds are greatly under-represented at htdp.org.Confidence: medium
Relative to the general internet population, 55-64 year olds are under-represented at htdp.org.Confidence: medium
Relative to the general internet population, people who did not go to college are under-represented at htdp.org.Confidence: medium
The audience for htdp.org among people some college education is similar to the general internet population.Confidence: medium
The audience for htdp.org among people who went to college is similar to the general internet population.Confidence: medium
The audience for htdp.org among people who went to graduate school is similar to the general internet population.Confidence: medium
Relative to the general internet population, Males are greatly over-represented at htdp.org. Confidence: medium
Relative to the general internet population, Females are greatly under-represented at htdp.org.Confidence: medium
Relative to the general internet population, people with children are greatly under-represented at htdp.org.Confidence: medium
Relative to the general internet population, people without children are over-represented at htdp.org.Confidence: medium
The audience for htdp.org among people browsing from home is similar to the general internet population.Confidence: medium
The audience for htdp.org among people browsing from work is similar to the general internet population.Confidence: medium
Advanced Demographics for htdp.org
Audience breakdown by income, ethnicity, age, education, gender, children and browsing location.
