Practice vocabulary for developer newsletters: subscriber counts, open rates, click-through rates, curated content, and paid subscriptions.
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When a developer newsletter has 5,000 people who have signed up to receive it, this is described as:
The newsletter has 5K subscribers — subscribers are people who have explicitly opted in to receive the newsletter, a key metric for sponsorship pricing.
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When 42% of people who received a newsletter email actually opened it, the metric is called:
The open rate is 42% — a 40%+ open rate is excellent for newsletters (industry average is ~20%); it indicates a highly engaged, opted-in audience.
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When 8% of newsletter recipients clicked a link in the email, the metric is called:
The click-through rate is 8% — CTR measures how many recipients clicked at least one link; 8% is strong for a technical newsletter.
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When each newsletter issue features 5 hand-picked articles from around the web with the author's commentary, this is described as:
The weekly issue includes 5 curated links — curation (selecting and contextualizing links) is the core value of newsletters like TLDR, JavaScript Weekly, etc.
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When readers pay a monthly fee for access to premium newsletter content beyond the free tier, this is described as:
The subscriber pays $X/month for premium content — paid newsletters (often via Substack, Beehiiv, or Ghost) are a growing revenue model for independent developers.