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Home/Martech Zone Newsletter Archive

Martech Zone Newsletter Archive

Jun 16, 2025 [Martech Zone] Digest for 06/16/2025
Jun 9, 2025 [Martech Zone] Digest for 06/09/2025
Jun 2, 2025 [Martech Zone] Digest for 06/02/2025
May 26, 2025 [Martech Zone] Digest for 05/26/2025
May 19, 2025 [Martech Zone] Digest for 05/19/2025
May 12, 2025 [Martech Zone] Digest for 05/12/2025
May 5, 2025 [Martech Zone] Digest for 05/05/2025
Apr 28, 2025 [Martech Zone] Digest for 04/28/2025
Apr 21, 2025 [Martech Zone] Digest for 04/21/2025
Apr 14, 2025 [Martech Zone] Digest for 04/14/2025
Apr 7, 2025 [Martech Zone] Digest for 04/07/2025
Mar 31, 2025 [Martech Zone] Digest for 03/31/2025
Mar 24, 2025 [Martech Zone] Digest for 03/24/2025
Mar 17, 2025 [Martech Zone] Digest for 03/17/2025
Mar 10, 2025 [Martech Zone] Digest for 03/10/2025
Mar 4, 2025 Helping AI & SaaS Companies Scale: Now Taking on New Fractional CMO Clients
Mar 3, 2025 [Martech Zone] Digest for 03/03/2025
Feb 24, 2025 [Martech Zone] Digest for 02/24/2025
Feb 17, 2025 [Martech Zone] Digest for 02/17/2025
Feb 10, 2025 [Martech Zone] Digest for 02/10/2025
Feb 3, 2025 [Martech Zone] Digest for 02/03/2025
Jan 27, 2025 [Martech Zone] Digest for 01/27/2025
Jan 20, 2025 [Martech Zone] Digest for 01/20/2025
Jan 13, 2025 [Martech Zone] Digest for 01/13/2025
Jan 6, 2025 [Martech Zone] Digest for 01/06/2025
Dec 30, 2024 [Martech Zone] Digest for 12/30/2024
Dec 23, 2024 [Martech Zone] Digest for 12/23/2024
Dec 16, 2024 [Martech Zone] Digest for 12/16/2024
Dec 9, 2024 [Martech Zone] Digest for 12/09/2024
Dec 2, 2024 Martech Zone: Digest for 12/02/2024
Nov 25, 2024 Martech Zone: Digest for 11/25/2024
Nov 18, 2024 Martech Zone: Digest for 11/18/2024
Nov 11, 2024 Martech Zone: Digest for 11/11/2024
Nov 4, 2024 Martech Zone: Digest for 11/04/2024
Oct 28, 2024 Martech Zone: Digest for 10/28/2024
Oct 21, 2024 Martech Zone: Digest for 10/21/2024
Oct 14, 2024 Martech Zone for 10/14/2024: Research, Learn, and Discover
Oct 7, 2024 Martech Zone for 10/07/2024: Research, Learn, and Discover
Sep 30, 2024 Martech Zone for 09/30/2024: Research, Learn, and Discover
Sep 23, 2024 Martech Zone for 09/23/2024: Research, Learn, and Discover
Sep 16, 2024 Martech Zone for 09/16/2024: Research, Learn, and Discover
Sep 9, 2024 Martech Zone for 09/09/2024: Research, Learn, and Discover
Sep 2, 2024 Martech Zone for 09/02/2024: Research, Learn, and Discover
Aug 27, 2024 Martech Zone for 08/27/2024: Research, Learn, and Discover

Disclosure

Martech Zone is an entirely free site that is monetized through referrals, affiliate links, and advertising.

Martech Zone was founded by Douglas Karr and operates under his company, DK New Media, LLC. Douglas is a fractional Chief Marketing Officer working with SaaS and AI companies to build scalable marketing strategies and drive measurable growth. He is an author, speaker, veteran, and very proud grandfather.

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Builders

Analytics UTM Builder
Effortlessly create your URL with UTM parameters to track your marketing campaigns with precision.
Referrer Spam
Keep your analytics accurate by filtering out referrer spam from your reports.
Google Review Link
Quickly find and share your Google review link to boost your online reputation.
SPF Record
Secure your email delivery with a custom SPF record, minimizing the risk of spam and phishing attacks.
URL Encode and Decode
Easily encode and decode URLs with our online tool. Safely transmit data within URLs.

Information

Marketing Books
Unlock your marketing potential and drive business success with our curated collection of the latest and best marketing books available.
US Retail Marketing Calendar
Discover retail marketing holidays and promotional opportunities for the next 36 months.
MarTech Conferences
Find online and in-person marketing, sales, data, cloud, technology, and AI events globally.
Browser Market Share
Cloudflare Radar’s aggregate market share of web traffic by browser, broken down for desktop and mobile.

Calculators

A/B Testing Calculators
Calculate your A/B Testing Sample Size and Determine Your Split Testing Winner.
Conversion Rate Calculator
Optimize your marketing efforts by calculating your conversion rates with ease.
Cost Per Action Calculator
Determine the effectiveness of your advertising by calculating the cost per action (CPA) of your campaigns.
Income Change Calculator
Determine your hourly, weekly, bi-weekly, semi-monthly, monthly, and annual pay after a pay increase or decrease.
Minimum Sample Size Calculator
Ensure statistical accuracy with the right sample size for your surveys.
MVT Sample Size Calculator
Calculate your Multivariate Testing Sample Size to Determine Your Split Testing Winner.
Online Review Impact
Forecast your sales growth by understanding the impact of additional customer reviews.
Return on Investment Calculator
Measure the success of your marketing strategies by calculating your ROI effortlessly.
Readability Score Calculator
Calculate Flesch-Kincaid Reading Ease, Flesch-Kincaid Grade Level, Gunning Fog Index, Coleman-Liau Index, SMOG Index, and Automated Readability Index (ARI), to help assess your content’s readability.
Tuned In Content Calculator
Is your content tuned into your customers? Or is it alienating potential customers by being self-focused. This simple tool measures the ratio of first person versus customer focused content.

Converters

CSV to Row Converter
Transform CSV files into rows and back again to streamline your data processing.
Hex to RGB Converter
Easily convert HEX codes to RGB values and vice versa for your design projects.
hh:mm:ss to Seconds
Convert time (hh:mm:ss) to seconds or vice versa. Create YouTube timestamps URLs.
Vanity Phone Number Converter
Convert your text into a vanity phone number for easier dialing.

Tools

Mobile Email Subject Line
Maximize email open rates by ensuring your subject lines are viewable across mobile devices.
Password Generator
Create robust passwords to enhance your online security.
Your IP Address
Quickly discover your IP address for networking and troubleshooting purposes.
Character and Word Counter
Refine your content with our tool for counting characters, words, and sentences.

Viewers

CSS Viewer
Optimize your CSS files with our compression and decompression tool for faster website loading.
JSON Viewer
Beautify or compress your JSON data for improved readability or efficiency.
HTTP Header Viewer
Need to retrieve header information for an HTTP request for a page or API? This header viewer allows you to post your request.
YouTube Thumbnail Viewer
Want to retrieve all of YouTube’s images for your YouTube video? This simple tool provides them all.

Queries

DNS Propagation Checker
Query DNS records globally in real-time to ensure your domain changes have propagated.
Email Blacklist Checker
Find out if your IP address is blacklisted on DNSBL servers, keeping your emails from being marked as spam.
Trace URL Redirects
Trace each hop and path of your URL redirects to troubleshoot your links.
WHOIS Lookup
Use our WHOIS Lookup to view the domain registration record of the domain you wish to analyze.

© 2025 DK New Media, LLC. All Rights Reserved.

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About Martech Zone

It all started as a book club.

Yes, I’m serious. I started my work on the web more than two decades ago. My first site was Helping Hand, which curated the best sites from around the web to help people with their computers and navigate resources on the Internet. Years later, I sold the domain to a company that helped folks quit smoking, one of my first big contracts.

I began blogging on Blogger and waxed poetic about everything from politics to Internet tools. I was all over the place and mostly wrote for myself – without much of an audience. I belonged to a Marketing Book club in Indianapolis that quickly grew out of control. Over time, I discovered that more and more of the group were coming to me for technology advice. The combination of my technology background and my business and marketing acumen was in high demand as the Internet rapidly changed the industry.

After reading Naked Conversations, I was motivated to better brand and control the content on the site. I also wanted more control over the look and feel of my blog, so I moved to my domain in 2006 and built my first WordPress site. Since I was focused on marketing technology, I didn’t want the domain with my name to get in the way, so I moved the site (painfully) to its new domain in 2008 where it’s grown ever since.

The Martech Zone is owned and operated by DK New Media, LLC, a company I started in 2009. After working with virtually every major online marketing department in my tenure at ExactTarget and launching Compendium, I knew there was a great demand for my expertise and guidance within such a complex industry.

DK New Media oversees my consulting, publications, podcasts, workshops, webinars, and speaking opportunities. Highbridge, my agency with two other partners, helps companies maximize their investment in sales, marketing, and related products. We offer integration, migration, training, strategic consulting, and custom development.

Thank you so much for your support over the years!

Douglas Karr
CEO, DK New Media

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