Khalid Saleh | The Invesp Blog: Conversion Rate Optimization Blog

All posts by Khalid Saleh

Bayesian vs Frequentist A/B Testing – What’s the Difference?
By Khalid Saleh
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- April 9, 2018
- 2 Comments
- A/B Testing, Conversion Rate Optimization, Multivariate Testing
Bayesian versus Frequentist Statisticians: the war is real
Imagine that you wake up in the one morning and you don’t remember anything from your previous life. You’ve erased all memories from your previous days.
Pretty intense and terrifying, huh?
Well, that’s how Bayesian statisticians describe frequentist colleagues because frequentist statisticians do not use any prior knowledge. Everything you learn about the world is through the lens of events that are happening at the moment and currently.
Michael Hochster explains;
“The essential difference between Bayesian and Frequentist statisticians is in how probability is used.”
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How Social Media Influencers Impact Online Buying Decisions- Statistics and Trends
By Khalid Saleh
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- March 16, 2018
- Conversion Rate Optimization, Infographics, Sales & Marketing
Did you know that 40% of people say they have purchased a product online as a result of seeing it being used by an influencer on social media? 72% of customers trust a business more after it is recommended by an influencer whereas 49% of consumers rely on product recommendations shared by influencers for their purchases.
Check out our infographic to know about the growing importance of social media influencers and how social media influencers impact online buying decisions.
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The Importance of Same Day Delivery – Statistics and Trends
By Khalid Saleh
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- January 29, 2018
- Conversion Rate Optimization, Infographics, Sales & Marketing
More than (51%) half of retailers offer same-day delivery and 65% plan to offer it within two years. 49% of shoppers say that same-day delivery makes them more likely to shop online. Check out our infographic on the importance of Same Day delivery and latest same-day delivery statistics and trends.
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The Importance of Influencer Marketing – Statistics and Trends
By Khalid Saleh
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- January 27, 2018
- Infographics, Sales & Marketing
Did you know that Influencer marketing delivers 11X higher ROI than traditional forms of digital marketing and 94% of marketers who used influencer marketing believe the tactic to be effective. 48% of marketers in the US who have used influencer marketing plan to increase their budget for influencer-focused campaigns. Check out our infographic on Influencer marketing to know the importance of Influencer marketing and latest influencer marketing statistics and trends.

Infographic by- Invesp Conversion Optimization Company
To Publish this Image on your Blog or Website . Copy this …
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Does CRO negatively impact SEO: Rivalry or friendship?
By Khalid Saleh
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- November 29, 2017
- 4 Comments
- Conversion Rate Optimization
It all started with a simple tweet from Elon Musk announcing that he acquired x.com.
Danny Sullivan responded with a light-hearted tweet about what ranks for x at this point.
Things would have stopped at this until Chris Portscheller‏ injected himself into the conversation, dismissing the value of SEO when it comes to ranking.
It is surprising how some developers and UXers are still wrapping their heads around the benefits of SEO and the value it provides in building brands.
Equal to that is the lack of basic understanding of CRO and its principals most SEOs …
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How Long Should You Run an A/B Test for?
By Khalid Saleh
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- November 28, 2017
- A/B Testing, Conversion Rate Optimization
As interest grows in conversion optimization and A/B testing, marketers are always searching for a new design that will generate significant uplifts in conversion rates. Because the majority of AB tests fail to produce any meaningful results, many marketers are too eager to declare a winner for a split test.
So, even in the few instances where a testing software declares a winner, there is a good chance that you merely identified a false positive.
How do you avoid that?
You start by having a good handle on A/B testing statistics to ensure that your data is collected and analyzed …
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Why you should run A/A tests in your conversion optimization program
By Khalid Saleh
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- November 16, 2017
- A/B Testing, Conversion Rate Optimization
Did you know anywhere from 80% to 90% percent of A/B tests do not produce any significant results?
In fact:
Only 1 out of 8 A/B tests drive significant change.
Done incorrectly, some marketers have begun to question the value of A/B testing…
…their A/B test reports an uplift of 20% and yet, the increase reported by the AB testing software never seems to translate into improvements or profits.
The reason?
“Most winning A/B test results are illusory.” (Source: Qubit)
Furthermore, the majority of arguments that call for running A/A testing consider it a sanity check before you run …
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The death of the average CRO
By Khalid Saleh
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- November 1, 2017
- 1 Comment
- Conversion Rate Optimization
Regardless to how many CRO case studies you read about companies increasing a website conversion rate by 200% or 300%, the reality is that CRO is difficult.
If it weren’t, then most websites would have conversion rates of 20 and the 30%.
But that is not the reality. The average website conversion rate still hovers around 3%.
The good news is, there is a lot of focus on conversions nowadays. I remember in the early days of Invesp, most CMOs did not know what conversion optimization even meant. Today, most established brands have dedicated CRO teams. Even the number of …
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