Email Tech Tracker
Monitor adoption of email coding and technology trends.
Dark Mode
Percentage of All Emails Jan 2026
5.3%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
|
|
|
|
|
|
|
| Aug 2025 | Sept 2025 | Oct 2025 | Nov 2025 | Dec 2025 | Jan 2026 |
| 8.2% | 8.2% | 6.6% | 7.0% | 6.3% | 5.3% |
|
|
|
|
|
|
|
| Aug 2025 | Sept 2025 | Oct 2025 | Nov 2025 | Dec 2025 | Jan 2026 |
| 8.2% | 8.2% | 6.6% | 7.0% | 6.3% | 5.3% |
Deliverability Services
Percentage of All Emails Jan 2026
0.53%
With the Deliverability metric, we track adoption of tools designed to measure and track email deliverability and optimization.
Recent Trend Last Six Months
|
|
|
|
|
|
|
| Aug 2025 | Sept 2025 | Oct 2025 | Nov 2025 | Dec 2025 | Jan 2026 |
| 0.66% | 0.70% | 0.61% | 0.71% | 0.76% | 0.53% |
|
|
|
|
|
|
|
| Aug 2025 | Sept 2025 | Oct 2025 | Nov 2025 | Dec 2025 | Jan 2026 |
| 0.66% | 0.70% | 0.61% | 0.71% | 0.76% | 0.53% |
DKIM
Percentage of All Emails Jan 2026
98.5%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
|
|
|
|
|
|
|
| Aug 2025 | Sept 2025 | Oct 2025 | Nov 2025 | Dec 2025 | Jan 2026 |
| 98.6% | 98.8% | 99.0% | 99.0% | 98.8% | 98.5% |
|
|
|
|
|
|
|
| Aug 2025 | Sept 2025 | Oct 2025 | Nov 2025 | Dec 2025 | Jan 2026 |
| 98.6% | 98.8% | 99.0% | 99.0% | 98.8% | 98.5% |
DMARC
Percentage of All Emails Jan 2026
48.6%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
|
|
|
|
|
|
|
| Aug 2025 | Sept 2025 | Oct 2025 | Nov 2025 | Dec 2025 | Jan 2026 |
| 45.4% | 42.6% | 49.4% | 55.9% | 53.3% | 48.6% |
|
|
|
|
|
|
|
| Aug 2025 | Sept 2025 | Oct 2025 | Nov 2025 | Dec 2025 | Jan 2026 |
| 45.4% | 42.6% | 49.4% | 55.9% | 53.3% | 48.6% |
Animated GIF
Percentage of All Emails Jan 2026
11.6%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
|
|
|
|
|
|
|
| Aug 2025 | Sept 2025 | Oct 2025 | Nov 2025 | Dec 2025 | Jan 2026 |
| 14.2% | 14.3% | 12.8% | 14.0% | 14.2% | 11.6% |
|
|
|
|
|
|
|
| Aug 2025 | Sept 2025 | Oct 2025 | Nov 2025 | Dec 2025 | Jan 2026 |
| 14.2% | 14.3% | 12.8% | 14.0% | 14.2% | 11.6% |
Google Email Annotations
Percentage of All Emails Jan 2026
0.14%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
|
|
|
|
|
|
|
| Aug 2025 | Sept 2025 | Oct 2025 | Nov 2025 | Dec 2025 | Jan 2026 |
| 0.08% | 0.08% | 0.09% | 0.14% | 0.17% | 0.14% |
|
|
|
|
|
|
|
| Aug 2025 | Sept 2025 | Oct 2025 | Nov 2025 | Dec 2025 | Jan 2026 |
| 0.08% | 0.08% | 0.09% | 0.14% | 0.17% | 0.14% |
Preview Text
Percentage of All Emails Jan 2026
73.7%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
|
|
|
|
|
|
|
| Aug 2025 | Sept 2025 | Oct 2025 | Nov 2025 | Dec 2025 | Jan 2026 |
| 60.6% | 67.5% | 70.5% | 75.9% | 76.9% | 73.7% |
|
|
|
|
|
|
|
| Aug 2025 | Sept 2025 | Oct 2025 | Nov 2025 | Dec 2025 | Jan 2026 |
| 60.6% | 67.5% | 70.5% | 75.9% | 76.9% | 73.7% |
Responsive
Percentage of All Emails Jan 2026
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
|
|
|
|
|
|
|
| Aug 2025 | Sept 2025 | Oct 2025 | Nov 2025 | Dec 2025 | Jan 2026 |
| 97.4% | 98.3% | 98.8% | 98.8% | 98.6% | 98.3% |
|
|
|
|
|
|
|
| Aug 2025 | Sept 2025 | Oct 2025 | Nov 2025 | Dec 2025 | Jan 2026 |
| 97.4% | 98.3% | 98.8% | 98.8% | 98.6% | 98.3% |
SPF
Percentage of All Emails Jan 2026
99.9%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
|
|
|
|
|
|
|
| Aug 2025 | Sept 2025 | Oct 2025 | Nov 2025 | Dec 2025 | Jan 2026 |
| 99.9% | 99.9% | 99.9% | 100.0% | 99.9% | 99.9% |
|
|
|
|
|
|
|
| Aug 2025 | Sept 2025 | Oct 2025 | Nov 2025 | Dec 2025 | Jan 2026 |
| 99.9% | 99.9% | 99.9% | 100.0% | 99.9% | 99.9% |
Learn more about SendView→
