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P
packet sniffing
The practice of monitoring pieces of data (called
packets) as they move over the Internet.
page impression
See page view
page jacking / pagejacking
The act of duplicating a (usually high ranking)
web page and presenting the duplicate as the original. This kind of
blatant theft is fairly uncommon. In most cases the legitimate author
/ owner can easily prove ownership of the material.
page popularity
See link popularity
PageRank
Google's measure
of the link popularity of a page.
For a more detailed look at PageRank and how to maximize yours, please
refer to the Search Engine Yearbook.
PageRank hoarding
The practice of getting as many inbound
links as possible while giving as few outbound
links as possible. This is done in attempt to increase PageRank
/ link popularity. Regarded as spam.
page view / page impression
/ page request
Often confused with a hit,
the term refers to the actual number of pages (not files) viewed by
all visitors to a site in a given time
period. The number of page views (and other statistics) can be obtained
through log file analysis.
paid listing
A listing on a SERP
that is achieved through outbidding competitors (as in PPC).
The term is sometimes also used to refer to keyword-targeted
advertisements, where the advertiser pays the search
engine a fixed amount to have its ad shown on the SERP for a specific
keyword.
parentheses
Some search engines
allow users to use parenthesis ( ) to group words. This is especially
useful in Boolean searchers.
partial word
matching
Some search engines
will consider not only exact matches,
but also partial matches. This means that if the search
term is contained within a word in a document in its index,
the search engine considers the document a match.
It's not as complicated as it sounds though. If the user enters "word"
as the query, the search engine will consider
a document a match if it contains word or wordiness or foreword or MSWord
etc. So the search term should be contained in the word.
Also see begins-with
partial word matching.
pay per click
See PPC
pay-per-click
search engine
See PPC search engine
pay per lead
See PPL
pay per view
See PPV
personally
identifiable information
Referring to information collected by a web site
that can be used to identify a user. It does not refer to usernames
or nicknames, but rather to information like real names, telephone numbers,
physical addresses etc.
phrase search
A search for documents
containing an entire phrase - as opposed to one or more keywords.
The important distinction here is that in a phrase search, the words
has to appear side by side in the document (exactly as in the query)
for that document to be considered a match.
If the words appear scattered or they appear side by side but in the
wrong sequence, it is not considered a match. Phrase searching can be
done on most search engines by simply
enclosing the phrase in quotation marks.
placement
See positioning
politeness window
Most spiders will
not crawl an entire site in one session.
Instead, they crawl a couple of pages and return after a day or two
to crawl a couple more and so on until they have indexed
the entire site. This is a self-imposed limit in order not to overburden
a server. These gaps between sessions are collectively known as the
politeness window. Nice spiders.
pop-under / popunder /
pop under
A supposedly less annoying variation of the pop-up.
It creates a new browser window, usually
containing an advertisement that is displayed behind the current window.
The user then only sees the pop-under when the current window is closed
or minimized. In truth, many users find pop-unders as annoying as pop-ups,
with the added irritation of feeling tricked into not closing the new
window immediately.
pop-up / popup / pop up
A new browser window
(usually containing an advertisement) automatically opened when the
users performs a specified action - like opening a page, clicking a
link, closing a page etc.
Also see pop-under.
portal
A web site that functions as a kind of starting
page or entry point to the web. Portals typically have a wide variety
of features such as search, free web-based e-mail, news etc. Well-known
examples include Excite and Yahoo.
portal page
See gateway page
portal site
See portal
positioning
Often used as a synonym for optimization.
postcoordination
of terms
The use of 2 or more single words to describe
a document. A page about herbal cures for common ailments, for example,
could be indexed under "herbal", "cures" and "remedies".
The search engine would then consider
that document a match to a query
like "alternative remedies".
PPC
Pay-Per-Click. An advertising payment model where
the advertiser pays only when the advertisement is actually clicked.
In other words, the advertiser literally pays only for visitors
rather than per advertisement impression.
The term CPC (cost per click) is sometimes used in the place of PPC
and the plural PPCs is sometimes used to refer to PPC
search engines.
PPC search engine
/ PPCSE
A search engine
that uses the PPC (pay per click) payment model,
also known as the CPC (cost per click) model. Advertisers bid on keywords
they wish to target. The search results
are then ranked based on the bids with the
highest bidder's site ranked first. Advertisers only pay when their
links are clicked - not every time their
sites appear in the results. PPCSE marketing has become a fairly important
and potentially effective online marketing technique. We take a look
at some of the important PPC search engines (like Overture)
and reveal some top PPC strategies in the Search
Engine Yearbook.
PPL
A system where the receiving site pays a certain
amount to the referring site for every new lead.
Also see PPC.
PPV
Pay per visit. Same as PPC
only the term "visit" is used instead of "click".
Added
- August 31, 2004
by Rob Bartlett of www.genieknows.com/
precision
Search engines
will often consider a document a match to
a query when that document is not really
relevant to the query. These mistakes
happen because search engines, to a certain extent, have to "guess"
what the user is looking for - especially when words used in the query
have double meanings. Search engines must find a balance between recall
(it's ability to find all relevant documents) and precision
(it's ability to find only relevant documents). The aim in information
retrieval is to get both recall and precision spot-on. In other
words to return all relevant documents and nothing else. In the real
search engine world however, it is often a trade-off. Precision is scored
by dividing the total number of pages found by the number of relevant
pages found. For example, if 1000 documents are found and 770 are relevant,
the search engine's precision is 0.77 or 77%.
precoordination
of terms
The use of compound terms to describe a document.
A page about herbal cures for common ailments, for example, could be
indexed under "herbal remedies".
PR
Short for PageRank.
PR0 / PR zero
PageRank zero. A penalty
(rumored to be) imposed by Google on sites
caught spamdexing. It's worth noting
that Google denies having such a penalty.
probabilistic
model
Referring to any search
engine model that matches documents
to a query based on the probability that
a document will be relevant to a query.
promotion
In the context of search
engines it refers to submitting of
the site information with the intent of getting the search engine to
list the site.
Added
- May 31, 2003
by Christian Nielsen of
www.nielsentech.com
proximity
See adjacency
proximity
search(ing)
In proximity searching the user can specify a
maximum distance between keywords. For
example, in a search for "guns roses" with a maximum distance
of 2, documents containing the following are considered matches:
- guns and roses
- guns 'n roses
- more guns than roses
While these are not:
- …used guns, but in the next example André used roses
- Guns blazed in the rose garden
Ok, bad example. It's worth noting that some search
engines also let you define the order, so "roses and guns"
does not count as a match.
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