# Still not clear: How does ClickBank calculate gravity score???

by iva
25 replies
• |
Just wonder if anybody knows how ClickBank calculates gravity. Specifically, is it going to be the same when 10 affiliates sold one product each or one affiliate sold 10 products. Can we estimate a number of competing affiliates from this score?
• It's the number of affiliates to have made a sale in last 60 (?) days.

It doesn't matter how many units they each sold.

So if 10 affiliates sold 1 product each today, gravity = 10

If 1 affiliate sold 10 products today, gravity = 1

The number is reduced depending on how long ago the most recent sale was made. Eg 30 days ago = 0.5
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• Thank you, Andy. Appreciate your insight. Then, this score is not as useful. Is there a way to figure out a number of competing successful affiliates for a product. Any other score I should pay more attention to? Thanks again.
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•  Originally Posted by Andy Fletcher It's the number of affiliates to have made a sale in last 60 (?) days. It doesn't matter how many units they each sold. So if 10 affiliates sold 1 product each today, gravity = 10 If 1 affiliate sold 10 products today, gravity = 1 The number is reduced depending on how long ago the most recent sale was made. Eg 30 days ago = 0.5
Do you know why the above exact statistics are not available per Vendor on Clickbank?

Some have 'Vendor Spotlights' with number of subscribers. But that and '%of Sale' is quite limited info.
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•  Originally Posted by Fahmod Do you know why the above exact statistics are not available per Vendor on Clickbank? Some have 'Vendor Spotlights' with number of subscribers. But that and '%of Sale' is quite limited info.
Because Clickbank came up with the system 10 years ago and never bothered to update it since.
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• Andy is correct. In a nutshell, gravity doesnt show how successful a product is, but rather how many affiliates are actively promoting it (and securing sales of course).
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• Banned
If it helps, there's an explanation and definition of "gravity" and some example illustrations of exactly how it works in this post.

 Originally Posted by iva Then, this score is not as useful.
That's exactly right. It's not nearly as useful as most people imagine.

People "derive" all sorts of "information" from gravity figures, almost always completely wrongly because they've made inaccurate assumptions about how it works. People generally have weird beliefs about "gravity". There are huge numbers of people who assume that high gravity means a product's converting well, and/or has really high sales volume, and all sorts of nonsense like this. (Not only isn't this true at all, but sometimes the opposite can be true, and there are reasons for that).
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• They sacrifice a goat and throw the entrails on a pile burning wormwood, and then read the shape of the smoke.

But with, like, science.
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• Thanks for pointing me to the previous post. It does make sense now. Any other score on Clickbank that is also so misleading?
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• Banned
 Originally Posted by Anonymous Affiliate gravity makes more sense as a "affiliate competition" ratio than as a "product sales" ratio.
Exactly so.

 Originally Posted by iva Any other score on Clickbank that is also so misleading?
The "%rfd" was - arguably - even more misleading, but I think they've just taken that one away, now!
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• Alexa, thanks, for pointing me to the previous post. Very well explained. Thanks again.
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• Just wanted to thank everybody who contributed to this post. I appreciate your input.
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• Thank you. Any other score that would define a successful product? A hybrid score that estimates both?
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• Yes, Andy has it right, only that it is 12 weeks (so 90 days rather than 60).

Yes, on day 1 an affiliate makes a sale and that is worth 1 point , after 6 weeks, yes that point would devalue and only be worth 0.5.

Also important to note that any one affiliate can only give you a maximum of 1 point... so if after 6 weeks the point is worth 0.5 and the affiliate then makes a sale the value of their gravity goes back up to 1 (never more than 1 point from any 1 affiliate basically).
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• Thanks for the breakdown. So it can be used to gauge popularity of a product.

Product A has gravity 300 vs Product B with 50

You cant use it to discern any useful info on sales.

Finally gravity has been demystified!
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• Banned
 Originally Posted by sarafina So it can be used to gauge popularity of a product.
Alas, no; not really the "popularity" per se, but it's a sort of approximate indication of how competitive a product will probably be to promote, for affiliates (and Clickbank does actually explain that fairly openly). And that's about it.

Have a quick look at the detailed examples here and you'll get the message.

 Originally Posted by Slin If a product has gravity, you know someone, somewhere, is making sales with it.
That can be very deceptive, though. Some of the highest gravity products are also the products with the lowest conversion-rates - and there are real and specific reasons for that: it's not just a "coincidence".

 Originally Posted by Justin Jordan They sacrifice a goat and throw the entrails on a pile burning wormwood, and then read the shape of the smoke. But with, like, science.
Best description of "gravity" I've ever seen.
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• It's still useful though

If a product has gravity, you know someone, somewhere, is making sales with it.
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•  Originally Posted by Slin If a product has gravity, you know someone, somewhere, is making sales with it.
This is correct: if gravity is high, there are plenty of affiliates out there scoring sales on this product. What we miss in this equation is "how many" sales.

Therefore, gravity makes more sense as a "affiliate competition" ratio than as a "product sales" ratio.
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• This gravity figure is a proprietary one, and only Clickbank really knows exactly how it is calculated. The formula could have been constantly tweaked over the years, and it really does not carry as much significance as you might think.

As long as the product you're intending to promote has a gravity of about 50 or so, then it should be reasonably popular and that's really all the criteria you need for determining whether it is "popular" enough.

Paul
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• Does anyone know how is "Popularity" calculated?
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• Banned
 Originally Posted by Anonymous Affiliate Does anyone know how is "Popularity" calculated?
That one's even more secret than "gravity". Gravity they kind of explain fairly openly, if you can understand what they're going on about ... but "popularity" they actually say is a "secret formula". Clearly there's an element of "numbers of sales" in it. (But I suspect not one of "conversion rates". That's my guess only, though).
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• Sometimes it's best not to rely on the stats to much in click-bank and better to just see if the product fits you're niche and if the sales page is any good.

You should then be able to judge for yourself whether it's a good enough product or not.
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• DOES anyone anything I can sell to hong kong or taiwan or china? I need offers w landing pages in mandarin and Cantonese...thanks!!

ebooks are the best!
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• Questions and comments regarding selecting click bank products and especially clickbank gravity come up here on a regular basis - so I have a standard reply which I hope will help.

When it comes to Clickbank knowledge there are two Warriors whose knowledge really is outstanding - I recommend looking at posts made by them for helpful and above all accurate information:

View Profile: Alexa Smith

View Profile: Harvey.Segal

A very helpful post on product selection (By Alexa Smith) can be found here:

http://www.warriorforum.com/main-int...ml#post2161932

A useful explanation of what gravity is actually telling you is here:

http://www.warriorforum.com/main-int...ml#post2495251

And for information from Clickbank for affiliates look here:

Help Center: Affiliate Help Index
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