Best practices for email subject lines
There are strategies that you can use to improve your subject lines and avoid your messages being marked as spam.
The following are best practices for creating email subject lines:
- Use well-constructed subject lines, which can have a huge impact on open rates.
- Keep them specific to the email theme and messaging, don't use gimmicks.
- Use personalization in subject lines.
- Keep subject lines short but meaningful.
Some subject lines cause ISPs and email clients to filter emails out or send them to spam. You should avoid these phrases and symbols to ensure that your customers receive your emails. The following examples are commonly used phrases that ISPs and email clients filter out.
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Free! 50% off! Click here Call now! Subscribe Earn $ |
Discount! Eliminate debt Double your income You're a winner! Reverses aging 'Hidden' |
Information you requested 'Stop' or 'Stops' Lose weight Subscribe Earn $ Discount! |
Million dollars Opportunity Compare Removes Collect Amazing Multi level marketing |
Cash donus Promise you Credit Loans Satisfaction guaranteed Serious cash Search engine listings |
The following examples are other problematic phrases that can trigger spam filters or add spam points.
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Act now! All new All natural Avoid bankruptcy As seen on... Buy direct |
Casino Cash Consolidate your debt Special promotion Easy terms Get paid |
Guarantee, Guaranteed Great offer Give it away, Giving it away Join millions Meet singles MLM |
No cost, No fees Offer One time Online pharmacy Online marketing Order now |
Please read Don't delete Save up to Time limited Unsecured debt or credit Vacation |
Viagra Visit our web site While supplies last Why pay more? Winner Work at home You've been selected |
To avoid triggering spam filers, avoid the following items in your email subject lines.
- Quotation marks, dollar signs, and exclamation points
- All capital letters (shouting)
- A toll-free number
- A font size larger than 2+