If rounds of split testing, segmentation, and resends still result in low engagement scores for some of your subscribers then don’t be afraid to clean your list. Review subscriber data regularly to monitor activity and engagement ratings. Remove or further segment those who aren’t engaging in order to improve the overall open rates of your primary subscriber segments.
2. Deliverability – Deliverability is always a hot topic, and I’m aware there are a million caveats at play here. That said, several notable studies on the topic have turned out quite unfavourably for SendinBlue. Fortunately, we actually use SendinBlue for one of our ventures and I can confirm that our deliverability rates are nowhere near as low as indicated in suggested in the linked article, but equally, they’re not the best I’ve seen.
Klaviyo is a modern marketing platform that lets ecommerce brands build an unlimited number of high-value customer relationships. Unlike other software, Klaviyo does not force you to trade off between ease of use and powerful functionality—and that means merchants can take advantage of the most impactful email and Facebook strategies without slowing down. That’s why over 10,000 innovative ecommerce brands like Brooklinen, Bonobos, and Outdoor Voices power their marketing with Klaviyo.
No matter how effective the subject line you’ll always have subscribers who don’t open it for a variety of reasons. Send your email again specifically targeting a list segment of those who didn’t open the first time around. Not only is this a second chance in case they just missed the first email, it’s another opportunity to further split test subject lines as well as send times.

Has a focus on moving leads from the top of the marketing funnel through to becoming sales-ready leads at the bottom of the funnel. Prospects are scored, based on their activities, and receive targeted content and messaging, thus nurturing them from first interest through to sale. Commonly used in business-to-business (B2B), business-to-government (B2G), or longer sales cycle business-to-consumer (B2C) sales cycles, Marketing Automation involves multiple areas of marketing and is really the marriage of email marketing technology coupled with a structured sales process.
Marketing automation software is typically priced one of two ways: by the number of contacts in your database or by the number of emails you send each month. For example, the the Growth Pardot plan costs $1,250 per month for email marketing, prospect tracking, lead nurturing and scoring, reporting, forms and landing pages, and standard Salesforce customer relationship management (CRM). This plan can be upgraded to two higher tiers, each of which offers additional features, plug-ins, and add-ons. However, all three Pardot plans give you capacity for 10,000 contacts.
B2C systems tend to manage vast databases of customer data—often millions of records. These systems have sophisticated tools for analyzing and segmenting customers into different categories of buyers. Markets can then execute specific campaigns, or “treatments” for each segment. Campaigns are typically designed to elicit a direct response, such as returning to a website to make a purchase. Alternatively, campaigns may feed a target prospect list into a call center systems for telesales outreach. 
3. Email converts better. People who buy products marketed through email spend 138% more than those who do not receive email offers. In fact, email marketing has an ROI of 3800%. That’s huge! And if you are wondering if social media converts even better, think again: the average order value of an email is at least three times higher than that of social media.
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