Why are welcome email templates getting higher open rates on Gmail?

Summary

Higher open rates for welcome email templates on Gmail are a multifaceted issue driven by subscriber behavior, email design and content, technical configurations, and Gmail's filtering mechanisms. Subscribers actively seek welcome emails, anticipating confirmation or valuable information upon signup, driving initial open rates. Personalization, compelling subject lines, optimized preheader text, and visually appealing designs further enhance engagement. From a technical standpoint, factors like proper email authentication (SPF, DKIM), correct header formatting (RFC compliance), optimized email size, and favorable initial inbox placement (primary vs. promotions/spam) all contribute. New templates may initially bypass spam filters by avoiding trigger words or aligning with Gmail's guidelines, and a strong sending reputation builds trust with Gmail. It is unlikely bot activity is causing the high open rates. Analyzing recipient data, conducting A/B testing, and continuous monitoring of deliverability metrics are essential for sustained success.

Key findings

  • Subscriber Intent: Subscribers actively expect welcome emails and are more likely to open them.
  • Personalization & Design: Personalized content, compelling subject lines, and appealing design increase engagement.
  • Authentication is Key: Proper SPF and DKIM records improve email deliverability by building trust with Gmail.
  • Gmail Filters: Gmail's filters adapt based on user behavior and content, impacting inbox placement.
  • Sending Reputation Matters: A strong sending reputation ensures emails reach the inbox consistently.
  • Technical Optimization: Email size, header formatting, and tracking image placement influence deliverability.
  • Unlikely Bot Activity: Bot activity is an unlikely cause for high open rates
  • Segmentations Impact: Segmented welcome emails can lead to higher open rates as they are more useful to the user.

Key considerations

  • Personalize & Engage: Craft highly personalized and engaging welcome emails that deliver immediate value.
  • Authenticate & Validate: Implement and maintain proper SPF, DKIM, and DMARC records to ensure email authentication.
  • Monitor Deliverability: Continuously monitor inbox placement rates, spam complaints, and other deliverability metrics.
  • Optimize Content & Design: Regularly test and optimize subject lines, preheader text, email design, and content for maximum impact.
  • Analyze Recipient Data: Track and analyze recipient engagement data (opens, clicks) to identify patterns and improve targeting.
  • Comply with Standards: Adhere to RFC standards for email header formatting and stay informed about changes in Gmail's policies.
  • Template Analysis: Analyze recipient MX/domain and IP data to identify potential issues with deliverability. Also keep email size below 102k and consider the placement of tracking images.

What email marketers say
9Marketer opinions

Welcome emails often achieve higher open rates on Gmail due to several factors. Subscribers actively seek them out, expecting confirmation or information after signing up. Personalization, optimized subject lines, and compelling preheader text enhance engagement. A/B testing and improved design also contribute. Additionally, Google Image Proxy only grabbing open pixels when the email is opened in the inbox can indicate genuine engagement. Segmenting welcome emails for specific user groups also leads to higher open rates due to increased relevance.

Key opinions

  • Subscriber Expectation: Subscribers actively seek welcome emails after signing up, anticipating confirmation or initial information, resulting in higher open rates.
  • Personalization Impact: Personalized subject lines and preheader text increase relevance and engagement, capturing the recipient's attention and reducing the likelihood of being marked as spam.
  • Design and UX: Improved design and user experience in welcome emails make them more visually appealing and user-friendly, leading to higher open rates.
  • Segmentation Boost: Segmenting welcome emails for specific user groups increases relevance and utility, resulting in higher open rates.
  • Image Proxy Accuracy: Google Image Proxy grabs open pixels only when the email is opened in the inbox, which is more likely to indicate a real open as opposed to a bot open
  • Testing Impact: A/B testing can result in significant differences in template performance

Key considerations

  • Personalization Strategy: Implement personalization strategies to make welcome emails more relevant to individual subscribers, using techniques like dynamic content and customer-specific offers.
  • Subject Line Optimization: Focus on crafting compelling subject lines and preheader text that accurately reflect the email's content and encourage opens.
  • Design and UX Improvements: Invest in designing visually appealing and user-friendly welcome email templates to improve engagement and drive conversions.
  • Segmentation Implementation: Segment welcome emails based on user demographics, interests, or signup source to deliver more targeted and relevant content.
  • Testing and Analysis: Conduct A/B testing to identify high-performing templates
  • Image Proxy considerations: Be aware of Google's image proxy when considering the value of opens.
Marketer view

Email marketer from Campaign Monitor details segmenting welcome emails for specific user groups. The segmentation leads to the emails getting higher open rates as it's more useful for the user.

February 2022 - Campaign Monitor
Marketer view

Email marketer from Neil Patel Digital explains that personalizing the subject line can significantly improve open rates, as it makes the email feel more relevant and less like spam. Using the recipient's name or mentioning something specific to them can capture their attention.

April 2021 - Neil Patel Digital
Marketer view

Email marketer from Email Geeks shares results of a small test indicating Google Image Proxy grabs the open pixel only when the email is in the inbox and opened by a user.

August 2024 - Email Geeks
Marketer view

Email marketer from Email on Acid shares that A/B testing email templates can reveal significant differences in performance. A new template may simply be more appealing to subscribers, leading to higher engagement and open rates.

June 2024 - Email on Acid
Marketer view

Email marketer from Litmus shares that the design and user experience of a welcome email can greatly influence its effectiveness. A more visually appealing or user-friendly template can lead to higher engagement and open rates.

April 2021 - Litmus
Marketer view

Email marketer from Quora suggests that optimized subject lines and preheader text in welcome emails can grab attention. If the new template has improved these elements, it's likely to result in higher open rates due to better visibility and engagement.

September 2023 - Quora
Marketer view

Email marketer from HubSpot explains that welcome emails often have higher open rates because subscribers are actively looking for them. They've just signed up and are expecting a confirmation or initial information, making them more likely to open the email.

April 2022 - HubSpot
Marketer view

Email marketer from Mailchimp shares that a well-crafted welcome email series can set the tone for future interactions with subscribers. High open rates might be attributed to subscribers being actively engaged and expecting the email, especially immediately after signing up.

July 2024 - Mailchimp
Marketer view

Email marketer from Reddit shares that welcome emails tend to perform well initially because users have just subscribed and are expecting something from the sender. This heightened anticipation leads to higher open rates compared to regular newsletters.

May 2022 - Reddit

What the experts say
7Expert opinions

Higher open rates for welcome email templates on Gmail can stem from a combination of factors related to inbox placement, content recognition, and technical details. The old template may have been flagged as low quality and routed to bulk/spam, while the new template initially avoids these filters due to changes in content, structure, or formatting. A strong sending reputation and favorable initial inbox placement (primary tab) are critical. Technical factors such as email size and the placement of the tracking image can also play a role. Analyzing recipient MX/domain and IP addresses can help identify patterns. Bot activity is unlikely to be the primary driver.

Key opinions

  • Inbox Placement: Initial inbox placement (primary vs. promotions/spam) significantly impacts open rates.
  • Template Recognition: Gmail may recognize older templates as low quality and send them to bulk, while new templates initially bypass filters.
  • Sending Reputation: A strong sending reputation is essential for inbox delivery and higher open rates.
  • Technical Factors: Email size (avoiding truncation over 102k limit) and tracking image placement can affect open rates.
  • Analysis of Traffic: Analyzing recipient MX/domain and IP addresses opening emails can identify patterns and potential issues.
  • Unlikely Bot Activity: Bot activity is an unlikely cause for high open rates because there is little reason for bots to open images inside emails.

Key considerations

  • Monitor Inbox Placement: Continuously monitor inbox placement (primary, promotions, spam) across different Gmail accounts and adjust strategies as needed.
  • Optimize Template Content: Refine email content and structure to avoid spam trigger words and adhere to Gmail's formatting guidelines.
  • Build Sending Reputation: Focus on building and maintaining a strong sending reputation through consistent sending practices and proper authentication (SPF, DKIM, DMARC).
  • Optimize Email Size: Keep email size below 102k to prevent truncation, especially if the tracking image is at the end of the email.
  • Analyze Recipient Data: Analyze recipient MX/domain and IP data to identify potential issues with deliverability.
  • Measuring email size: Measure the size of the email, by sending it, viewing the source code, copying the text into a plain text file and looking at the size.
Expert view

Expert from Email Geeks shares that the easiest way to measure email size is to send the email, view source in the mail client, copy and paste into a text file, and check the file size.

March 2024 - Email Geeks
Expert view

Expert from Email Geeks suggests analyzing recipient MX or domain, and IPs opening/clicking to identify patterns. They also suggest the original template might have been causing high bulk rates.

June 2024 - Email Geeks
Expert view

Expert from Email Geeks suggests other Gmail-specific reasons to consider, such as email truncation due to size exceeding 102k limit if the tracking image is at the end.

February 2025 - Email Geeks
Expert view

Expert from Email Geeks suggests that if the template is the only difference and the open rate changes are primarily with Gmail, the old template might be recognized as low quality and sent to bulk, while the new one isn't (yet).

May 2023 - Email Geeks
Expert view

Expert from Email Geeks explains that bot activity is unlikely because there's not much reason for bots to open images in emails except for enterprise spam filtering, which wouldn't be prominent on Gmail.

March 2022 - Email Geeks
Expert view

Expert from Spam Resource explains that a strong sending reputation is essential for getting emails delivered to the inbox. Using the new template, along with the relevant sending domain and ip reputation may be affecting the new template open rates.

December 2023 - Spam Resource
Expert view

Expert from Word to the Wise explains that initial inbox placement (primary tab vs. promotions tab or spam) significantly impacts open rates on Gmail. A new template might initially land in the primary inbox due to changes in content or structure, leading to a temporary increase in open rates. This can be attributed to various factors, including Gmail's algorithm adapting to the new template, the template avoiding certain spam trigger words, or the template adhering to Gmail's recommended formatting guidelines.

August 2021 - Word to the Wise

What the documentation says
5Technical articles

Higher open rates for welcome email templates on Gmail are influenced by Gmail's evolving spam filters, proper email authentication, and adherence to email header standards. Gmail's filters adapt based on user behavior, and a new template perceived as more relevant can bypass filters initially. Proper DKIM and SPF implementation enhances email authentication, increasing Gmail's trust. Correct email header formatting according to RFC standards improves deliverability. While Gmail's image caching exists, it typically doesn't cause large-scale open rate changes.

Key findings

  • Evolving Spam Filters: Gmail's spam filters are constantly evolving and adapt based on user behavior. New templates may initially bypass filters if deemed more relevant.
  • Email Authentication: Proper email authentication using DKIM and SPF significantly improves deliverability by increasing Gmail's trust in the sender.
  • Header Formatting: Correct email header formatting according to RFC standards enhances deliverability and avoids issues that could lower open rates.
  • Image Caching: Gmail caches images through proxy servers, but this typically does not cause large-scale changes in open rates, but changes in the behavior of this could

Key considerations

  • Monitor Spam Filter Adaptations: Stay updated with Gmail's spam filtering practices and adjust email content and sending strategies accordingly to maintain inbox placement.
  • Implement Email Authentication: Ensure proper implementation of DKIM and SPF records to authenticate emails and improve deliverability.
  • Adhere to Header Standards: Strictly adhere to RFC standards for email header formatting to avoid deliverability issues.
  • Stay Informed on Image Caching: Keep track of changes in Gmail's image caching behavior that may impact tracking pixels and open rates, and how this impacts the deliverability
Technical article

Documentation from Google Developers details how Gmail caches images through its proxy servers. Changes in image handling or caching behavior could impact open rates if the tracking pixel is affected. However, typically this should not cause large-scale changes.

April 2022 - Google Developers
Technical article

Documentation from Google Support explains that Gmail's spam filters are constantly evolving and adapt based on user behavior. If a new template is perceived as more relevant or less spammy by Gmail users, it may initially bypass filters, leading to higher open rates.

February 2025 - Google Support
Technical article

Documentation from RFC Editor explains that ensuring correct email header formatting (as per RFC standards) improves deliverability. A poorly formatted header in the old template could have been causing deliverability issues that are resolved in the new template, indirectly boosting open rates.

August 2021 - RFC Editor
Technical article

Documentation from SPF explains that using a Sender Policy Framework records can improve email authentication. Implementing SPF records can result in higher open rates for welcome emails because Gmail recognizes and trusts the emails more.

September 2022 - OpenSPF.org
Technical article

Documentation from DKIM explains that proper email authentication using DKIM can improve email deliverability. If the new template coincides with improved DKIM implementation, Gmail is more likely to trust the email and deliver it to the inbox, increasing open rates.

May 2022 - DKIM.org