While I was preparing the post according to the Internetlivestats stat this year the number of emails was sent: 69,546,814,775,890. Among all of these emails, how can you make yourself stand out? In my personal experience, it’s the subject line of your email which will make a buzz in the readers’ minds to open your email. On the web, you will find so many blogs on that particular topic. But I like to share a list of best email subject lines to boost your email open rates.
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What Is A Good Subject Line?
You and your audience have something in common: You want to write less, and they want to read less.
Right?
And email subject lines — like blog post titles, tweet, and meta descriptions — donโt take up a whole lot of space.
For this reason, youโd think they must be easy to whip up. Everyone is capable of stringing together a few words, right?
Wrong.
As it turns out, writing short copy takes more than just good writing skills — it requires a deep understanding of your target customer and a talent for translating a larger message into a few words designed to strike the right chord.
To help you train your brain to write more concisely, we recommend pulling up a long-form piece of content and running through the following steps:
โข Remove adverbs, adjectives, pronouns & prepositions.
โข Replace phrases with one word.
โข Use numerals instead of writing out numbers.
Why You Need Good Email Subject Lines?
You will be surprised that 47% of email recipients open an email based on the subject line whereas 69% of email recipients report email as spam based solely on the subject line. Emails with no subject all together have an open rate of 8% more than those with a subject line, whereas e-mails with personalized subject lines are 22% more likely to be opened. Here is an infographic that will help you to get a clear understanding of all the matters.

Open rate by the number of words in E-mail subject line
Number of words | Open rate |
---|---|
0-5 | 16% |
6-10 | 21% |
11-15 | 14% |
16-20 | 12% |
21-25 | 9% |
Open rates with recipients name in E-mail subject line
Name | Open rate |
---|---|
With name | 18.30% |
Without name | 15.70% |
How to Write Good Subject Lines
By following simple six steps you can write a better subject line for your own. But you need to practice more and more to become a pro in writing subject line copies.

Types of Email Subject Lines with Examples
We can categorize email subject lines into 7 categories. It will help us to get an idea about all types of subject lines. Here are those-
- FOMO: Fear of Missing Out subjects
- Curious Subject Lines
- Funny Subject Lines
- Pain Points
- Reengagement
- Emoji Subject Lines
- Social Proof Subjects
FOMO — the fear of missing out

It is a powerful motivator. Thanks to our psychological bent toward loss aversion, people react much more strongly when they feel they’re about to lose something they already have then when they expect to gain something.
It’s the best for sending offers or discount emails to the recipients.
Here are some examples of FOMO subject lines
- JustFab: โBy Invitation Only: Exclusive Rewards Inside!โ
- ย Ibotta: โDonโt let this $5 bonus slip away!โ
- ย J.Crew Factory: โClick it or miss it, people: Over 500 styles under $25 is ending!โ
- ย Book of the Month: โMayโs best books are just too good to miss.โ
- ย InstantBoss Club: โNEVER AGAIN SALEโ
- ย Uber: โGrab a ride pass before theyโre goneโ
- ย Shoes of Prey: โIn case you missed theseโฆโ
- ย Crate and Barrel: โ2x the rewards, 2 brands, 5 days only.โ
- ย Airbnb: โBarnstable is in high demand for Augustโ
- ย AMC Theatres: โHurry, Get Your Tickets to SOLO: A STAR WARS STORY Fan Event!โ
- ย Charles Tyrwhitt: โShirts for $39 ENDS MIDNIGHTโ
Curious Subject Lines

Curiosity prompts action โ and in the world of email, action often equates to better engagement rates.
Curiosity is powerful. Itโs the force that leads you to stay up late watching the next episode of that exciting show. Itโs the push that keeps you turning pages in a good book. Itโs the seed that prompts you to Facebook stalk your former classmates to see what they are up to.
See it in action
- UX Collective: โYour fingerprints are all over the placeโ
- Select All: โThe Two Possible Futures of Virtual Realityโ
- Refinery29 Everywhere: โThe $1,000 hair trend with a dirty little secretโ
- Book of the Month: โOur most riveting book this month.โ
- Sephora Insider: โYou NEED to see this new eye treatment.โ
- Madewell: โEveryoneโs gonna ask you about theseโ
- Hiten from Product Habits: โ2 hours before launch and we are still scramblingโ
- Instant Boss Club: โ80 likes to 458 likes SAY WHAT?โ
- Intercom: โAre you making this landing page mistake?โ
- Zillow: โThe truth about moving expensesโ
Funny Subject Lines

Your recipientsโ email inboxes are inundated with ordinary subject lines all day, every day.
So how do you pique their interest in a sea of sameness?
Humor.
But remember: When using funny email subject lines, itโs important to know your audience.
Get Some Idea of Some Funny Subject Lines
- Free People: โโCan I PLEASE borrow?!โ โ everyone you knowโ
- Funny or DIe: โRevised policy regarding jean shorts at workโ
- Dollar Shave Club: โOpen up and say wowie zowie!โ
- NextDraft: โIn Flawed We Trustโ
- Brooks Brothers: โUp to 40% off trousers & sport coats. Itโs a tailor-made sale.โ
- Grubhub: โBreaking chews! We found new restaurants near you!โ
- NextDraft: โOMGodfatherโ
- Red Sox Ticketing: โCome to Fenway May 2 โ we wonโt tell your boss!โ
- Dollar Shave Club: โWhat to Do When Youโre the Sweaty, Smelly Guy at the Gymโ
- Nordstrom Rack: โRay-Ban up to 50% off. Get in a new frame of mind.โ
Pain Point Subject Line

These days, businesses and individuals alike are constantly looking for ways to do more, see more, and earn more.
And as a marketer, itโs up to you to identify the obstacles that prevent them from doing so and use those insights to position your product or service as part of the solution.
At the end of the day, people want to feel like their problems are recognized and being taken care of and what better place to serve up that type of assurance than right in their inbox.
Some Good Examples on This Point
- J.Crew: โYour summer outfit dilemmas SOLVEDโ
- ย Groupon Experiences: โFun to Help You Survive the Holidaysโ
- ย Terrain: โYour all-weather dining solution.โ
- ย Qapital: โDonโt think about saving. Save without thinking.โ
- ย By Regina: โStruggling with a business decision? I made you a 1-page framework to help.โ
- ย Le Tote: โMonday-Friday Style Simplifiedโ
- ย Dominoโs: โNo address? No problem. Now Dominoโs can deliver to over 150,000 Dominoโs Hotspots.โ
- ย Adobe Stock: โBeautiful brochures made fasterโ
- ย Verizon Wireless: โEnjoy NBA games right at your fingertips.โ
- ย Vidyard: โEngaging your prospects can be hard. Video makes it easy.โ
- ย Grubhub: โSit back and let someone else do the cookingโ
Reengagement Subject Lines

Subscriber inactivity happens to the best of us.
Sometimes we see loyal subscribers gradually slip away as the demands of their job increase or change. Other times we see people drop off because the content fails to meet their needs. For that reason, re-engagement emails are critical to list health and maintenance.
See It in Actions
- Dollar Shave Club: โHey, did you forget to open this?โ
- The Bouqs Company: โCan You Believe Itโs Been a Month?โ
- Chubbies Shorts: โLemme Teleport You Back to Your Cart. Free Of Charge.โ
- LinkedIn: โ[Name], people are looking at your LinkedIn profileโ
- Groupon: โStill Interested in That Deal?โ
- ClassPass: โNew things are happening!โ
- Airbnb: โPick up where you left offโ
- DraftKings: โ[Name], you have an undrafted contest entry!โ
- Vail Resorts: โCome Back This Winter With an Exclusive Deal, [Name]โ
- Glassdoor: โItโs Been A Whileโฆโ
- Marriott Rewards: โWeโve missed you, [Name]! Please come back!โ
Emoji Subject Lines

Emojis have quickly become powerful communication tools, making it easier for businesses to convey emotion in situations where they are strapped for space.
Aside from the fact that emojis create contrast in your recipientsโ inbox, research has found that emoji usage can actually help make your message more memorable.

Here are theย top 15 emojisย by subject line appearances. These arenโt necessarily the โbestโ ones to useโtheyโre just the most popular.
Some Best Examples
- Crate and Barrel: โUp to 40% off ๐ + 30% off ๐น + 15% Off ๐ + Free ๐ โ
- StubHub: โ๐จ Great deal alert! Zac Brown Band at Fenway Park for a steal.โ
- ClassPass: โGo from ๐ฑ to ๐ณ for just $4โ
- Dunkin Donuts: โ๐ฆ Weโre screamingโฆโ
- Instacart: โ๐๐๐ฝ Market Basket: Save $10 of your next orderโ
- JustFly.com: โโ SEAT SALE: Boston to Las Vegas!โ
- Yummly: โ๐ Berry impressive summer recipesโ
- BuzzFeed News: โInstagram will let you mute your friendsโ baby pics ๐ โ
- IMPACT Branding & Design: โIMPACT Live: Last week to save ๐ฐ โ
- Hotjar: โCustomise your visitor feedback experience ๐ ๐๐ โ
Social Proof Subjects

Social proof is the idea that people will adapt their behavior according to what other people are doing.
When we see a line of customers waiting to eat at a restaurant or a photo of a celebrity drinking a certain brand of coffee, it lends an air of gravitas and quality to the product, doesnโt it? But thereโs more to it than that. In fact, according to Buffer, there are actually five different types of social proof: Expert Social Proof, Celebrity Social Proof, User Social Proof, โWisdom of the Crowdsโ Social Proof, and โWisdom of your Friendsโ Social Proof.
See It In Action
- Patagonia: โTop reviewed styles from customers like youโ
- HelloFresh: โPssstโฆ your friends are cooking up a storm!โ
- GolfNow: โYou deserve some golf this week (top picks inside)โ
- Yummly: โMost Popular Recipes this Weekโ
- Airbnb: โMake it a good night with John Legend and Airbnbโ
- Yummly: โSimple recipes from popular chefsโ
- Zillow: โ5 homes that are trending right nowโ
- Lenny: โRachel McAdams and Rachel Weisz on the Female Gazeโ
- Inc: โ18 Habits Highly Successful People Have (And the Rest of Us Probably Donโt)โ
- Adobe: Adobe named a Leader in customer analyticsโ
These are all about the 7 categories of the email subject lines. You can use them as per your requirements. If you are looking for more examples then keep scrolling. Iโm sharing more real-life examples and techniques for email headlines.
The Game-Changing Subject Lines to Boost Holiday Sales
You will get the best email subject lines along with the 100+ words which will help you to boost your holiday sales.
Best Holiday Sales Email Subject Lines

100+ Gamechanger Subject Line Words to Boost Your Sale

24 Best Email Subject Lines
Hubspotย just listed up the best 24 email subject lines which will definitely help you in real life.
- โUh-oh, your prescription is expiringโ
- โBest of Groupon: The Deals That Make Us Proud (Unlike Our Nephew, Steve)โ
- โ๐ Free (Cool!) Clothes Alert ๐โ
- โThe timerโs going off on your cart!โ
- โWhat Did You Think? Write a Review.โ
- โImportant Weather Advisoryโ
- โ1,750 points for you. Valentineโs flowers & more for them.โ
- โRock the color of the yearโ
- โBlack Friday shoppers are the worst customersโ
- โDonโt Open This Emailโ
- โI got Botoxโ& THIS is what it looked likeโ
- Zillow: โWhat Can You Afford?โ
- โAs You Wishโ
- โGoogle sees smartphone heroics in Oreo. Itโs The Daily Crunch.โ
- โWhere to Drink Beer Right Nowโ
- โNot Cool, Guysโ
- โDO NOT Commit These Instagram Atrocitiesโ
- Buffer has been hacked โ here is whatโs going onโ
- โEverything you wanted to know about email copy but were too afraid to askโ
- โ๐ถ Want a Custom Emoji of Tullamore & 6 Months FREE Walks? Book a Walk Today for Your Chance to Win!โ
- โAbra-cord-abra! Yeah, we said it.โ
- โChina Falls, Sleepy Unicorns, And The Deals Arenโt Bigger In Texasโ
- โ๐ฅ Hot freebie alert! 15 free gifts, you pick 5.โ
- โWatch Out for This Amazon Phishing Scam.โ
Summing Up
Itโs really tough to finish the whole study on the Best Subject Line for Emails in one article. I just tried to cover every single area on creating the best subject lines for emails which will help to open the emails. But to ensure your email promotion efforts make an impact, you need to invest time to get the subject line just right. After all, if your emails are left unopened, your content will never earn the recognition it deserves.
Some Must Read Contents To Learn More About Email Subject Lines
22 Eye-Opening Statistics About Sales Email Subject Lines That Affect Open Rates
The 9 Best Email Subject Line Styles to Increase Your Open Rates
39 Sales Email Subject Lines That Get Opened, Read, and Responded To
ย 36 of the Best Email Marketing Subject lines to Increase Your Open Rate
ย 43 Cold Email Subject Lines That Get Your Emails Opened Instantly (and When to Use Them)