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John Dietrich

John Dietrich is a Tech SEO Marketing Consultant with Perficient Digital. He has over 18 years of combined experience in a variety of technical business roles, from coordinating international travel and intercultural communication to website development, IT project management and technical SEO operations.

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Blogs from this Author

Search And Indexing

Opening Search Pages for Indexation & SEO – A Data-Driven Approach

If you’re running an e-commerce website, you probably have your customers searching for your products on your site. In most instances, you’ve likely closed those search pages to search engine indexation, since they may be duplicative of some category pages. However, you may not realize that search pages often fill a gap in your category […]

Guide to Web Compliance and Web Accessibility

ADA compliance and web accessibility are more serious than you likely know. Consider this scenario: You or one of your clients suddenly receives a letter stating that the website you administer is not ADA compliant and you’re facing litigation. Facing litigation? Now what! The best course of action is to proactively review your website for […]


SEO is Dead, Long Live SEO: Understanding the Hows and Whys of Google’s Visual Evolution

In its 20 years as a company, Google has revolutionized the way we find information. The search engine giant is in the midst of rolling out even more changes – it’s moving from answers to journeys, shifting away from queries, and, now, the shift to visual searching. Strings to Things to Concepts One easy way […]

Eric Enge

Why Page Speed Matters for SEO – Here’s Why #193

Can the speed at which your pages load really make a difference for your site? In this episode of our popular Here’s Why digital marketing video series, our page speed expert John Dietrich makes the case for why you should try to improve page speed, and offers some tips on how to do it. Don’t […]

Working with Machines to Leverage ML/AI for Business

AI is here to take your job! This oft-repeated mantra is used to grab a few headlines, but for now the reality is quite different. The true power of AI is in how we learn to work with these tools to better perform our jobs; thus, AI is here to augment our current abilities and […]


Page Speed—Why it Matters to Your Users (and Your SEO)

When a page loads quickly, your website visitors get a better experience. Research supports this: According to DoubleClick by Google: “53% of mobile site visits are abandoned if pages take longer than 3 seconds to load.” Consider this Think with Google article, where a deep neural network found with 90% accuracy that, “as page load […]


Pagination Canonicalization & SEO: Your Technical Guide

Last updated: April 12, 2019 – Pagination: Where would we be without it? If you’re running an eCommerce site of virtually any size, you almost certainly use pagination to organize your products. From eCommerce giants like Amazon and eBay to smaller niche brands, pagination is an essential component for both user experience and for search […]

Hreflang Fi Article

The Complete Guide to Hreflang

Whether you’re running a global operation or expanding to offer an additional language on your website, proper use of the hreflang tag is a must. From an SEO perspective, getting this right can mean the difference between ranking well with your target audience and not ranking well. Hreflang tells search engines where various language-specific versions […]