Email Tech Tracker
Monitor adoption of email coding and technology trends.
Dark Mode
Percentage of All Emails July 2025
7.5%Dark Mode allows users to invert the app setting so that light colored text appears on a dark background instead of a white background. Some users prefer this setting as it can make reading easier on the eyes. Why it matters? Emails are that aren't optimized for dark mode risk looking bad and the first thing a recipient does with a bad looking email is, well [delete].
Recent Trend Last Six Months
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| Feb 2025 | Mar 2025 | Apr 2025 | May 2025 | June 2025 | July 2025 |
| 10.3% | 9.7% | 8.4% | 6.5% | 7.5% | 7.5% |
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| Feb 2025 | Mar 2025 | Apr 2025 | May 2025 | June 2025 | July 2025 |
| 10.3% | 9.7% | 8.4% | 6.5% | 7.5% | 7.5% |
Deliverability Services
Percentage of All Emails July 2025
0.65%
With the Deliverability metric, we track adoption of tools designed to measure and track email deliverability and optimization.
Recent Trend Last Six Months
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| Feb 2025 | Mar 2025 | Apr 2025 | May 2025 | June 2025 | July 2025 |
| 2.5% | 2.3% | 2.1% | 1.27% | 1.12% | 0.65% |
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| Feb 2025 | Mar 2025 | Apr 2025 | May 2025 | June 2025 | July 2025 |
| 2.5% | 2.3% | 2.1% | 1.27% | 1.12% | 0.65% |
DKIM
Percentage of All Emails July 2025
98.8%DKIM allows receiving ESP's to confirm that the sender really is who they say they are and is designed to prevent spoofing. DKIM provides an encryption key and digital signature that confirms the message is coming from an authorized sender.
Recent Trend Last Six Months
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| Feb 2025 | Mar 2025 | Apr 2025 | May 2025 | June 2025 | July 2025 |
| 98.5% | 98.8% | 99.0% | 98.9% | 99.0% | 98.8% |
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| Feb 2025 | Mar 2025 | Apr 2025 | May 2025 | June 2025 | July 2025 |
| 98.5% | 98.8% | 99.0% | 98.9% | 99.0% | 98.8% |
DMARC
Percentage of All Emails July 2025
48.9%Domain-based Message Authentication, Reporting, and Conformance (DMARC) is an email security protocol that helps protect email domains from unauthorized use, also known as email spoofing
Recent Trend Last Six Months
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| Feb 2025 | Mar 2025 | Apr 2025 | May 2025 | June 2025 | July 2025 |
| 52.1% | 50.4% | 51.3% | 49.4% | 45.5% | 48.9% |
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| Feb 2025 | Mar 2025 | Apr 2025 | May 2025 | June 2025 | July 2025 |
| 52.1% | 50.4% | 51.3% | 49.4% | 45.5% | 48.9% |
Animated GIF
Percentage of All Emails July 2025
16.7%GIF stands for Graphics Interchange Format, and it's a type of image file format that's often used to create animated images.
Recent Trend Last Six Months
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| Feb 2025 | Mar 2025 | Apr 2025 | May 2025 | June 2025 | July 2025 |
| 21.6% | 22.9% | 20.3% | 21.6% | 16.3% | 16.7% |
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| Feb 2025 | Mar 2025 | Apr 2025 | May 2025 | June 2025 | July 2025 |
| 21.6% | 22.9% | 20.3% | 21.6% | 16.3% | 16.7% |
Google Email Annotations
Percentage of All Emails July 2025
0.09%Google Email Annotations is a great tool for email marketers who really want to leverage their placement in the promotions tab. It allows users to include images, deals, and expiration dates as an extra incentive for email marketers.
Recent Trend Last Six Months
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| Feb 2025 | Mar 2025 | Apr 2025 | May 2025 | June 2025 | July 2025 |
| 0.43% | 0.32% | 0.22% | 0.13% | 0.10% | 0.09% |
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| Feb 2025 | Mar 2025 | Apr 2025 | May 2025 | June 2025 | July 2025 |
| 0.43% | 0.32% | 0.22% | 0.13% | 0.10% | 0.09% |
Preview Text
Percentage of All Emails July 2025
66.2%Preview text in email is a brief snippet of text that appears next to or below the subject line when viewing the email inbox. It provides a brief preview of the email's content and can be a great tactic to create engagement.
Recent Trend Last Six Months
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| Feb 2025 | Mar 2025 | Apr 2025 | May 2025 | June 2025 | July 2025 |
| 73.6% | 72.0% | 71.0% | 69.5% | 65.2% | 66.2% |
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| Feb 2025 | Mar 2025 | Apr 2025 | May 2025 | June 2025 | July 2025 |
| 73.6% | 72.0% | 71.0% | 69.5% | 65.2% | 66.2% |
Responsive
Percentage of All Emails July 2025
98.3%
Incorporating HTML code to ensure an email looks great across all devices has become a standard for email marketers. This allows email marketers to design one email that looks great everywhere. As mentioned elsewhere, a reader is not going waste time trying to read a bad looking email.
Recent Trend Last Six Months
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| Feb 2025 | Mar 2025 | Apr 2025 | May 2025 | June 2025 | July 2025 |
| 98.8% | 98.5% | 98.5% | 98.5% | 98.5% | 98.3% |
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| Feb 2025 | Mar 2025 | Apr 2025 | May 2025 | June 2025 | July 2025 |
| 98.8% | 98.5% | 98.5% | 98.5% | 98.5% | 98.3% |
SPF
Percentage of All Emails July 2025
99.8%Sender Policy Framework (SPF) is another authentication tool to prevent spamming and spoofing. SPF allows senders to define which IP's are allowed to send email for a particular domain.
Recent Trend Last Six Months
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| Feb 2025 | Mar 2025 | Apr 2025 | May 2025 | June 2025 | July 2025 |
| 100.0% | 99.9% | 99.9% | 99.3% | 99.9% | 99.8% |
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| Feb 2025 | Mar 2025 | Apr 2025 | May 2025 | June 2025 | July 2025 |
| 100.0% | 99.9% | 99.9% | 99.3% | 99.9% | 99.8% |
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