Keyword Effectiveness Index – KEI
Developed by Sumantra Roy (The founder of software LinkExplore)
A research which based on the competitive value and the monthly worldwide search value to predict and evaluate
Formula of KEI is KEI = (MS/30)^2/C,MS is the monthly worldwide search value,,C is competitive value
Range of KEI is from 0 to 400
< 0.001 = very bad keyword 0.001-0.010 =good keyword 0.010-0.100+ = very good keyword
Keywords |
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Professional web design promotion
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Potential customers |
Number of keywords |
Increased sales rate |
Sales (assuming HK $ 1,000 per potential customer) |
The first stage |
1000 |
20 |
0% |
1000 X HK$1,000 X 100% = HK$1,000,000 |
The Second Stage |
2000 |
30 |
20% |
2000 X HK$1,000 X 120% = HK$2,400,000 |
The Third Stage |
4000 |
40 |
30% |
4000 X HK$1,000 X 130% = HK$5,200,000 |
One more keyword means more potential customer can reach your website, by then your sales volume must be increased!
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