Douglas Karr's Articles on Martech Zone
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410: When And How To Tell Search Engines Your Content Is Gone
When a search bot crawls your site, your web server responds with a header request code. We've shared quite a bit about the negative impact of search engines finding 404 errors (page not found) and how to utilize redirections effectively…
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Driving Sales Success: Proven Tactics and Technologies to Increase Sales in 2026
Increasing sales in today’s competitive marketplace is a multifaceted challenge that requires companies to blend time-tested sales techniques with modern technological advancements. Both business-to-business ( B2B ) and business-to-consumer ( B2C ) organizations share the goal of driving revenue growth…
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Email Subject Line Length and Mobile Display Visibility (Character Counts)
With mobile overtaking desktop in email open rates, I was researching the viewable length of subject lines on a mobile device. Subject lines are typically more important than email content in determining whether readers open the email. Want to test…


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