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Vaild
Inbound Links
If you are spending time and effort in SEO'ing your site its probably because
one way or another its making you money. I have three websites for my business
and several customer sites...
Search
Engine Watch
As most of you know, my background is advertising, and I am just now learning
web design and SEO (career change at age 48).
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Relationship Between PageRank
and Number of Backlinks
On the forums or by email I am often asked the following sort of question: "How
many Backlinks do I need to get in order to have PR5?". The answer is simple and
always the same one: "This question cannot be answered because the PR doesn't
only depend on the number of backlinks, it also and above all depends on the PR
of each of those links...". Or to put it differently, a page can have PR5 with
a single backlink whereas another one can have 3,000 backlinks and PR5 too.
How do backlinks assist or hurt PageRank? Discuss at WebProWorld.
As a result it seems useless to carry out this type of analysis... Except if one
is to compare the results in the long term. That's what I have been doing over
the past eight months by analysing tens of thousands of pages. For each data I
get the number of backlinks and the PR of the page with those links. The data
do not come from a tool using a Google Toolbar crack but from the "MyWri" tools
on WebRankInfo which enables each WebRrankInfo member to instantly get the PR
and the number of backlinks of 10 chosen sites (many other free SEO tools are
also freely provided).
Results
The results are presented in the following table. For example the cell corresponding
to column 5/2004 and row PR5 shows that in May 2004, an average of 104 backlinks
was required to get a PR5. The number of sites analysed to get this figure appears
on hovering over with the mouse (1044 measures in the given example).
Conclusions
- With a few exceptions, whatever the PR is, more backlinks than the month before
are required every month to get a given PR.
- As expected, one needs far more backlinks in order to get a high PR than a low
one. Even if there may be exceptions, because the study deals with a good number
of data, it gives experimental support to the theoretical hypotheses or ideas
never proved before but only discussed in forums.
- During this summer (2004), Google changed the behaviour of the link: command
which now includes low PR pages. Only PR4 or higher PR pages used to be listed
by this command. Conversely since this summer you can also list the low PR pages
backlinks, which you can see in the table.
- More and more sites are being analysed in MyWri :-) If you haven't tried it
yet, go to www.webrankinfo.com/wri
(these tools are only available in french)
I am busy preparing further studies on the subject and I hope to be able to share
the results with you pretty soon. Please do get
in touch if you wish to make suggestions.
Another study that may be of some interest for you: Google
test : hyphen and underscore.
More studies to come!
Comment on this article
in WebProWorld.
About the Author:
Olivier
Duffez
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12,931 |
Contributing
Authors: 2,301 |
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Measuring
& Managing Visitor / Customer Retention, Part 3
 By
Jim
Novo
Trip Wire Marketing: The Latency Metric.
An easy to implement and proven powerful potential value LifeCycle Metric is called
Latency. Latency refers to the average time between customer activity events,
for example, making a purchase, calling the help desk, or visiting a web site.
All you have to do is calculate the average time elapsed (Latency) between the
two events, and use this metric as a guide for anti-defection campaigns.
Many small business people naturally use Latency in an intuitive way, for example:
"Gee, it has been a while since Mary Lou had her hair styled." What the stylist
really means is this: Mary Lou is taking longer than the average customer to schedule
a "refresh" on her hair. In database marketing terms, her Latency is exceeding
the norm. So the stylist calls Mary Lou and finds either a customer who appreciates
the reminder or a customer who has defected to another salon. The longer the stylist
waits to contact Mary Lou after the average Latency trip wire has triggered, the
more likely it is she has already defected, and the lower her potential value
is to the salon.
 Read
the Full Article
Welcome Back!
Our post today comes from silentz.
They want to know how long it takes for their site to show
up in the index after the crawler has visited. Is it instantly indexed, or
do they have to wait
a few weeks? I have no clue, but maybe you can help them out. Think you can help
silentz out? Tell us your
thoughts at WebProWorld.
|| Rafael||
How
long after being crawled until new results show up
By silentz
I'm seeing google come by my site, but aren't seeing results when I search. I
always assumed that when a spider indexed my site the results would be near instant.
Is this correct or does it take a couple of days/weeks to show up?
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"Nothing succeeds like the appearance of success."
- Christopher Lasch
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Do search engines penalize you if you have multiple domains
all redirecting to a single URL?
-jeannemalherbe
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