# What is Email Open Rate? What's a Good Open Rate in the UK? > Email open rate measures what percentage of your subscribers open each email you send. This guide explains what it means, what affects it, and what good open… Source: https://elitedigitalagency.io/blog/what-is-email-open-rate/ Format: Markdown mirror of the HTML page (text/markdown). Content is identical; the canonical, citable version is the HTML source URL above. --- Email Marketing # What is Email Open Rate? What's a Good Open Rate in the UK? Email open rate measures what percentage of your subscribers open each email you send. This guide explains what it means, what affects it, and what good open rates look like for UK businesses. By Kaiser Khan · 24 May 2026 · 7 min read Last verified: 24 May 2026 email open ratewhat is email open rateemail marketing benchmarks UKemail metrics Direct Answer Email open rate is the percentage of delivered emails that are opened by recipients — calculated as (unique opens ÷ delivered emails) × 100. A 'good' open rate varies significantly by industry and list quality, but general UK benchmarks are 20–35% for B2C and 25–40% for B2B newsletters. Note that since Apple's Mail Privacy Protection (MPP) was introduced in 2021, open rates are artificially inflated for Apple Mail users — platforms pre-load tracking pixels regardless of whether the email is actually opened. This means open rate is now a directional rather than precise metric. Despite its measurement limitations, open rate remains a useful indicator of list health, subject line effectiveness, and sender reputation. Declining open rates over time signal list fatigue, deteriorating deliverability, or declining subject line quality. Sudden drops in open rate often indicate deliverability problems — emails landing in spam rather than inbox. ## What affects email open rate - Subject line — the single biggest lever; curiosity, specificity, personalisation, and brevity consistently outperform generic subjects - Preview text — the snippet visible in inbox before opening; treat it as a secondary subject line, not filler - Sender name — emails sent from 'Anika at Elite Digital' consistently outperform those from 'marketing@company.com' - Send time — UK data generally favours Tuesday–Thursday mornings or afternoons, but list-specific testing matters more - List hygiene — inactive contacts drag down open rates; regular list cleaning improves measured performance - Deliverability — emails in spam generate zero opens; maintaining a good sender reputation keeps emails in the inbox - Segmentation — relevant emails sent to the right audience open more than generic blasts sent to everyone Talk to us about email marketing performance How do I improve my email open rate? The highest-impact actions for improving open rates are: (1) Write better subject lines — test curiosity-driven, question-based, and specific benefit-focused subjects against your current approach. (2) Clean your list — remove contacts who have not opened in 6+ months after a re-engagement attempt. (3) Improve your sending cadence — if you email daily and open rates are declining, reduce frequency. (4) Send from a person's name rather than a company name. (5) Improve inbox placement by authenticating your domain (SPF, DKIM, DMARC) if not already done. Should I worry about open rate since Apple MPP? Open rate is still useful as a directional trend metric — if it moves significantly in either direction, something meaningful has changed. However, for campaign-level performance measurement, click-through rate, revenue per send, and conversion rate are more reliable signals since they reflect actual engagement rather than potentially inflated tracking. Many email marketers have shifted their primary optimisation focus to click-to-open rate (CTOR) — which measures clicks relative to opens — as a more meaningful indicator of content relevance, since it is less affected by MPP inflation. ### Ready to improve your Email Marketing? Get a free consultation from our expert team. Talk to us ### What to do next ### Tags email open ratewhat is email open rateemail marketing benchmarks UKemail metrics KK Kaiser Khan Founder & Director · Elite Digital Agency Kaiser Khan is the founder of Elite Digital Agency (Elite Digital AI Solutions Ltd). He specialises in SEO, Answer Engine Optimisation, and AI search strategy for UK businesses and charities. Author page · mrkaiserkhan.com ↗ Keep reading ## Related articles Email Marketing ### What is Email A/B Testing? How to Test and Improve Email Performance 8 min read · Kaiser Khan Email Marketing ### What is a Transactional Email? Examples and Best Practices 7 min read · Kaiser Khan Email Marketing ### What is Email Click-Through Rate (CTR)? How to Improve Yours 7 min read · Kaiser Khan Want expert help with your digital marketing? Our team of SEO, AEO, and performance specialists are ready to review your strategy. Get a free consultation See our services