{"id":19524,"date":"2024-08-06T06:50:36","date_gmt":"2024-08-06T06:50:36","guid":{"rendered":"https:\/\/newblog.siteground.com\/en\/?p=19524"},"modified":"2025-07-16T14:07:34","modified_gmt":"2025-07-16T14:07:34","slug":"double-opt-in","status":"publish","type":"post","link":"https:\/\/academy.siteground.com\/en\/double-opt-in\/","title":{"rendered":"Double Opt-In: Your Key to Building a High-Quality Email List"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Are you puzzled by low open rates, unexplained spam complaints, or high bounce rates during your email campaigns? The solution might be simpler than you think: the implementation of a double opt-in process.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">In this post, we&#8217;ll explore how this powerful feature can improve your email list quality, increase engagement, and skyrocket your marketing results.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-what-is-a-double-opt-in\"><span class=\"ez-toc-section\" id=\"what-is-a-double-opt-in\"><\/span>What is a double opt-in?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">A double opt-in is a two-step process for adding new subscribers to your email list. Here&#8217;s how it works:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Step 1: A potential subscriber fills out a sign-up form (single opt-in).<\/li>\n\n\n\n<li>Step 2: They receive a confirmation message via email and must click a link to verify their subscription (double opt-in).<\/li>\n\n\n\n<li>Step 3: The subscriber is sent to a confirmation page, and added to your list.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-what-s-the-difference-between-a-double-opt-in-amp-single-opt-in-nbsp\"><span class=\"ez-toc-section\" id=\"whats-the-difference-between-a-double-opt-in-single-opt-in\"><\/span>What\u2019s the difference between a double opt-in &amp; single opt-in?&nbsp;<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">More precisely, a single opt-in represents a subscription confirmation in its simplest form (literally!): the potential subscriber fills out a form by providing their email, hits submit, and voila, they\u2019re on the email list.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A double opt-in, on the other hand, starts with this same first step, but with an additional step during which the potential subscriber must then <strong>validate their subscription<\/strong> via a confirmation email.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The single opt-in is of course simpler and can initially help a list grow more quickly. But, as we\u2019ll discuss, the long-term benefits of a double opt-in may outweigh the initial excitement of quick list growth.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-why-you-need-a-double-opt-in\"><span class=\"ez-toc-section\" id=\"why-you-need-a-double-opt-in\"><\/span>Why you need a double opt-in<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">You might think: if people sign up to receive my emails, isn\u2019t that enough? Not necessarily. While <strong>a single opt-in can grow your list quickly, a double opt-in ensures that list is composed of a high-quality, engaged audience.<\/strong> Additionally, having a double opt-in plays a crucial part in maintaining a good sender reputation and ensuring good <a href=\"https:\/\/academy.siteground.com\/en\/email-deliverability\/\n\" data-type=\"post\" data-id=\"18598\" target=\"_blank\" rel=\"noopener\">email deliverability<\/a>.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">This is because, as we\u2019ll discuss in more detail shortly, by requiring that people confirm subscription via their email address, you <strong>reduce the amount of incorrect email addresses<\/strong>, as well as bogus ones (added by bots). Doing so means your emails are more likely to reach those that want to hear from you, and less likely to go to spam.&nbsp;<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-what-are-the-advantages-of-a-double-opt-in\"><span class=\"ez-toc-section\" id=\"what-are-the-advantages-of-a-double-opt-in\"><\/span>What are the advantages of a double opt-in?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-promotes-a-high-quality-subscriber-list\">Promotes a high-quality subscriber list<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">As we\u2019ve mentioned, while a single opt-in can help you grow your list quickly, it\u2019s not the best way to ensure a high-quality list of subscribers. That\u2019s because, when subscribers have to confirm their subscription for you, they\u2019re actually doing you a big favor: they are letting you know that they are indeed very interested! And <strong>you want your list to be composed of people that are legitimately engaged<\/strong> in what you have to say.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-reduces-number-of-emails-going-to-spam\">Reduces number of emails going to spam<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">The converse of this is that<strong> if people are only sort-of interested, or not interested at all, they are more likely to mark your email as spam. <\/strong>Given their lack of engagement, they may carelessly mark your emails as spam, which <strong>can negatively impact your sender reputation<\/strong>, and relegate your emails to the spam folders of even your more-interested subscribers.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Another critical advantage is that it <strong>weeds out invalid or fake email addresses<\/strong>. If these kinds of emails get added to your list, it\u2019s likely you\u2019ll have a much larger <a href=\"https:\/\/academy.siteground.com\/en\/email-bounce-rate\/\n\" data-type=\"post\" data-id=\"18848\" target=\"_blank\" rel=\"noopener\">email bounce rate<\/a> and, again, your sender reputation drops, and your emails go straight to spam.&nbsp;<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-keeps-you-compliant\">Keeps you compliant<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">While not universally required by law, the double opt-in can help you stay compliant with international regulations such as <strong>GDPR and CAN-SPAM<\/strong>. That\u2019s because these laws require clear evidence of subscriber consent, and the double opt-in makes this easy to prove.&nbsp;<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-makes-list-maintenance-easier\">Makes list maintenance easier<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Along these same lines, by filtering out invalid emails and incorrectly spelled emails (simply made by subscriber error), you <strong>save yourself time when it comes to managing your list.<\/strong> Indeed an important part of <a href=\"https:\/\/academy.siteground.com\/en\/building-an-email-list\/\n\" target=\"_blank\" rel=\"noopener\">building your email list<\/a> is doing regular list housekeeping once every three to six months to remove bounced or inactive email addresses (i.e. those less-interested subscribers).&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The good news here is that <strong>a solid email marketing platform can do much of this legwork for you<\/strong> by flagging bounced emails, and allowing you to easily track user engagement.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-when-to-use-double-opt-in\"><span class=\"ez-toc-section\" id=\"when-to-use-double-opt-in\"><\/span>When to use double opt-in<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">The answer here is simple:<strong> if you want to ensure a high-quality email list, then it\u2019s always a good time<\/strong> to implement a double opt-in. But its benefits are especially important in the following scenarios:&nbsp;&nbsp;<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>If you\u2019ve struggled with hard bounces and spam:<\/strong> Perhaps you have, for one reason or another, had trouble with past emails bouncing or getting marked as spam. By implementing a double opt-in, you can get your email list and email sending back on track by weeding out incoming fake or invalid emails, as well as unengaged users who lightheartedly mark your emails as spam.<\/li>\n\n\n\n<li><strong>When you\u2019re seeking more targeted leads:<\/strong> If you don\u2019t want to waste time with sort-of interest subscribers, then adding the second confirmation will help to capture only those that are genuinely interested. To ensure the most quality leads, it\u2019s essential that your email sign-up form is very clear about the value to be provided upon signing up.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-how-to-set-up-a-double-opt-in\"><span class=\"ez-toc-section\" id=\"how-to-set-up-a-double-opt-in\"><\/span>How to set up a double opt-in<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Setting up a double opt-in should be straight forward in most email marketing platforms. With <a href=\"https:\/\/www.siteground.com\/email-marketing\" target=\"_blank\" rel=\"noopener\">SiteGround Email Marketing platform<\/a>, for example, you <strong>simply go to a group you\u2019ve created (or create a new group) and turn on the double opt-in feature<\/strong>.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">During this process, would-be subscribers will sign up via your online form (your first opt-in), and then receive a confirmation email. Once they click the email\u2019s confirmation link \u2013 your double opt-in \u2013 they will be redirected to a \u201cthank you\u201d page, and added to your subscriber list.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">When you enable SiteGround\u2019s double opt-in feature, all of the above is automatically done for you so that you don\u2019t have to worry about a thing.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-how-to-ensure-people-double-opt-in\"><span class=\"ez-toc-section\" id=\"how-to-ensure-people-double-opt-in\"><\/span>How to ensure people double opt-in<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Setting and forgetting about your double opt-in is not the best plan. You\u2019ll want to <strong>make sure that hopeful subscribers actually complete that second opt-in.<\/strong> With that in mind, here are several ways to make certain subscribers follow through.&nbsp;<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-set-expectations\">Set expectations<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Double opt-in success starts with the initial sign-up. Make sure that, when customers complete the first step of the sign-up process via your online form, you also <strong>let them know that they should keep an eye out for a confirmation email to verify their subscription<\/strong>.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-entice-potential-subscribers-to-sign-up\">Entice potential subscribers to sign up<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Sign-up forms are basically a mini sales pitch, so get right to the point by offering hard-to-pass-on value that entices potential subscribers to sign up and follow through with confirmation. <strong>Be clear about what they\u2019ll get from their subscription<\/strong> \u2013 this could include deals, resources, unique insight, a specific incentive, or any number of other benefits.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-use-a-subject-line-that-communicates-action-is-needed\">Use a subject line that communicates action is needed<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Follow the initial heads-up in your sign-up form with an email that has a <strong>clear subject line that re-emphasizes that confirmation is needed<\/strong>. SiteGround already does this for you, communicating that action is required for the subscription to be confirmed.<\/p>\n\n\n\n<iframe width=\"100%\" height=\"330\" data-cookieblock-src=\"https:\/\/www.youtube.com\/embed\/AMmws9CvMY8?si=U3R0kNFYsbke9fKL\" data-cookieconsent=\"marketing\" title=\"YouTube video player\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen=\"\"><\/iframe>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-keep-email-content-simple-and-focused-on-action\">Keep email content simple and focused on action<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Just as every other step in this process, make this step as easy as possible. <strong>Keep the confirmation email content brief and focused<\/strong> by making sure it\u2019s obvious that confirmation is required, and that there\u2019s an unmissable confirmation button or link. Thankfully, SiteGround automatically implements this so that you don&#8217;t have to worry about doing so yourself.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">If you\u2019d like insight about crafting future content, though, we\u2019ve put together this guide to help you <a href=\"https:\/\/academy.siteground.com\/en\/how-to-write-marketing-emails\/\n\" data-type=\"post\" data-id=\"18778\" target=\"_blank\" rel=\"noopener\">write marketing emails<\/a>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-measure-double-opt-in-success\"><span class=\"ez-toc-section\" id=\"measure-double-opt-in-success\"><\/span>Measure double opt-in success<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">The true proof of double opt-in <a href=\"https:\/\/academy.siteground.com\/en\/email-marketing-metrics\/\n\" data-type=\"post\" data-id=\"20138\">success rests in your metrics<\/a>. Here are the stats you should keep an eye on, and what to look for:&nbsp;<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Open rates and click-through rates:<\/strong> Given subscribers\u2019 greater interest, you should notice an increased percentage of people opening your marketing emails, and clicking through on your calls to action.<\/li>\n\n\n\n<li><strong>Unsubscribes and spam complaints:<\/strong> Conversely, since readers were very intentional about signing up, they are less likely to find your content unworthy of their inboxes. Expect these rates to go down.<\/li>\n\n\n\n<li><strong>Bounce rates:<\/strong> Fewer invalid or inactive emails means better inbox delivery. Expect your bounce rates to reduce, and, as such, your sender reputation to improve.<\/li>\n\n\n\n<li><strong>Overall engagement: <\/strong>From email receipt to website purchase, you should find that subscriber engagement goes up across the board.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-invest-in-quality-for-long-term-success\"><span class=\"ez-toc-section\" id=\"invest-in-quality-for-long-term-success\"><\/span>Invest in quality for long-term success<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Implementing a double opt-in process might seem like an extra step, but it&#8217;s <strong>an investment in long-term success<\/strong>, and an important part of <a href=\"https:\/\/academy.siteground.com\/en\/what-is-email-marketing-how-to-get-started\/\n\" data-type=\"post\" data-id=\"18714\" target=\"_blank\" rel=\"noopener\">what email marketing is<\/a>. By ensuring your list is filled with engaged, interested subscribers, you&#8217;ll see improved open rates, higher click-throughs, and, ultimately, better results from your email campaigns.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Remember, having a successful <a href=\"https:\/\/academy.siteground.com\/en\/create-email-marketing-strategy\/\n\" data-type=\"post\" data-id=\"19330\" target=\"_blank\" rel=\"noopener\">email marketing strategy<\/a> <strong>isn&#8217;t just about the size of your list \u2013 it&#8217;s about the quality of your connections.<\/strong> The double opt-in helps you build a list of subscribers who truly want to hear from you, setting the stage for meaningful connection and lasting business relationships.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-double-opt-in-faq\"><span class=\"ez-toc-section\" id=\"double-opt-in-faq\"><\/span>Double Opt-in FAQ<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-won-t-i-lose-potential-subscribers\">Won\u2019t I lose potential subscribers?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">While you may see a slight decrease in initial sign-ups, the <strong>subscribers you do gain will be more engaged and valuable<\/strong> in the long run. Your bounce rates should also go down, increasing the likelihood of successful email delivery.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-is-it-complicated-to-set-up-a-double-opt-in-nbsp\">Is it complicated to set up a double opt-in?&nbsp;<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Not at all. Usually <strong>it\u2019s as easy as turning on the double opt-in feature<\/strong>. Some platforms (such as SiteGround email marketing) even offer built-in, double opt-in features \u2013 like pre-determined emails, email copy and subject lines that implement best practices and make setup easy.&nbsp;<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-is-a-double-opt-in-required-by-law\">Is a double opt-in required by law?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">While regulatory compliance laws vary from country to country, <strong>the double opt-in isn\u2019t a standard requirement. <\/strong>That said, it <strong>can help you to be more compliant.<\/strong> This is because regulations such as CAN-SPAM and GDPR, which cover the USA and Europe, respectively, require clear consent (opt-in) by subscribers. To accomplish this, you as the sender must be able to provide proof of subscriber opt-in (at least once), and having a double opt-in makes this easier to do.&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Are you puzzled by low open rates, unexplained spam complaints, or high bounce rates during your email campaigns? The solution might be simpler than you think: the implementation of a double opt-in process.&nbsp; In this post, we&#8217;ll explore how this powerful feature can improve your email list quality, increase engagement, and skyrocket your marketing results. &hellip; <\/p>\n<p class=\"link-more\"><a href=\"https:\/\/academy.siteground.com\/en\/double-opt-in\/\" class=\"more-link\">Continue reading<span class=\"screen-reader-text\"> &#8220;Double Opt-In: Your Key to Building a High-Quality Email List&#8221;<\/span><\/a><\/p>\n","protected":false},"author":61,"featured_media":19570,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5],"tags":[],"class_list":["post-19524","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-email-marketing"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v25.9 (Yoast SEO v28.3) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Double Opt-In: Your Key to Building a High-Quality Email List - SiteGround Academy<\/title>\n<meta name=\"description\" content=\"Struggling with low open rates or spam complaints? Learn how double opt-in can transform your email list quality and skyrocket your marketing results.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/academy.siteground.com\/en\/double-opt-in\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Double Opt-In: Your Key to Building a High-Quality Email List\" \/>\n<meta property=\"og:description\" content=\"Struggling with low open rates or spam complaints? Learn how double opt-in can transform your email list quality and skyrocket your marketing results.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/academy.siteground.com\/en\/double-opt-in\/\" \/>\n<meta property=\"og:site_name\" content=\"SiteGround\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/siteground\" \/>\n<meta property=\"article:published_time\" content=\"2024-08-06T06:50:36+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-07-16T14:07:34+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/academy.siteground.com\/en\/wp-content\/uploads\/sites\/2\/2024\/08\/Double_Opt-In_1400x700-1.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1400\" \/>\n\t<meta property=\"og:image:height\" content=\"700\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Erin Ridley\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@siteground\" \/>\n<meta name=\"twitter:site\" content=\"@siteground\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Erin Ridley\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"8 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/academy.siteground.com\\\/en\\\/double-opt-in\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/academy.siteground.com\\\/en\\\/double-opt-in\\\/\"},\"author\":{\"name\":\"Erin Ridley\",\"@id\":\"https:\\\/\\\/academy.siteground.com\\\/en\\\/#\\\/schema\\\/person\\\/7d4df4b28e4eaffd88146f196449730f\"},\"headline\":\"Double Opt-In: Your Key to Building a High-Quality Email List\",\"datePublished\":\"2024-08-06T06:50:36+00:00\",\"dateModified\":\"2025-07-16T14:07:34+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/academy.siteground.com\\\/en\\\/double-opt-in\\\/\"},\"wordCount\":1757,\"commentCount\":2,\"publisher\":{\"@id\":\"https:\\\/\\\/academy.siteground.com\\\/en\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/academy.siteground.com\\\/en\\\/double-opt-in\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/academy.siteground.com\\\/en\\\/wp-content\\\/uploads\\\/sites\\\/2\\\/2024\\\/08\\\/Double_Opt-In_1400x700-1.jpg\",\"articleSection\":[\"Email Marketing\"],\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\\\/\\\/academy.siteground.com\\\/en\\\/double-opt-in\\\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/academy.siteground.com\\\/en\\\/double-opt-in\\\/\",\"url\":\"https:\\\/\\\/academy.siteground.com\\\/en\\\/double-opt-in\\\/\",\"name\":\"Double Opt-In: Your Key to Building a High-Quality Email List - SiteGround Academy\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/academy.siteground.com\\\/en\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/academy.siteground.com\\\/en\\\/double-opt-in\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/academy.siteground.com\\\/en\\\/double-opt-in\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/academy.siteground.com\\\/en\\\/wp-content\\\/uploads\\\/sites\\\/2\\\/2024\\\/08\\\/Double_Opt-In_1400x700-1.jpg\",\"datePublished\":\"2024-08-06T06:50:36+00:00\",\"dateModified\":\"2025-07-16T14:07:34+00:00\",\"description\":\"Struggling with low open rates or spam complaints? Learn how double opt-in can transform your email list quality and skyrocket your marketing results.\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/academy.siteground.com\\\/en\\\/double-opt-in\\\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/academy.siteground.com\\\/en\\\/double-opt-in\\\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/academy.siteground.com\\\/en\\\/double-opt-in\\\/#primaryimage\",\"url\":\"https:\\\/\\\/academy.siteground.com\\\/en\\\/wp-content\\\/uploads\\\/sites\\\/2\\\/2024\\\/08\\\/Double_Opt-In_1400x700-1.jpg\",\"contentUrl\":\"https:\\\/\\\/academy.siteground.com\\\/en\\\/wp-content\\\/uploads\\\/sites\\\/2\\\/2024\\\/08\\\/Double_Opt-In_1400x700-1.jpg\",\"width\":1400,\"height\":700,\"caption\":\"Double_Opt-In\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/academy.siteground.com\\\/en\\\/double-opt-in\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/academy.siteground.com\\\/en\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Double Opt-In: Your Key to Building a High-Quality Email List\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/academy.siteground.com\\\/en\\\/#website\",\"url\":\"https:\\\/\\\/academy.siteground.com\\\/en\\\/\",\"name\":\"SiteGround Academy\",\"description\":\"The SiteGround academy provides a wide variety of tips, tools, and resources related to WordPress, web performance, website optimization and site security.\",\"publisher\":{\"@id\":\"https:\\\/\\\/academy.siteground.com\\\/en\\\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/academy.siteground.com\\\/en\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-US\"},{\"@type\":\"Organization\",\"@id\":\"https:\\\/\\\/academy.siteground.com\\\/en\\\/#organization\",\"name\":\"SiteGround\",\"url\":\"https:\\\/\\\/academy.siteground.com\\\/en\\\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/academy.siteground.com\\\/en\\\/#\\\/schema\\\/logo\\\/image\\\/\",\"url\":\"https:\\\/\\\/academy.siteground.com\\\/en\\\/wp-content\\\/uploads\\\/sites\\\/2\\\/2025\\\/01\\\/Siteground-Logo-on-white.jpg\",\"contentUrl\":\"https:\\\/\\\/academy.siteground.com\\\/en\\\/wp-content\\\/uploads\\\/sites\\\/2\\\/2025\\\/01\\\/Siteground-Logo-on-white.jpg\",\"width\":1200,\"height\":400,\"caption\":\"SiteGround\"},\"image\":{\"@id\":\"https:\\\/\\\/academy.siteground.com\\\/en\\\/#\\\/schema\\\/logo\\\/image\\\/\"},\"sameAs\":[\"https:\\\/\\\/www.facebook.com\\\/siteground\",\"https:\\\/\\\/x.com\\\/siteground\",\"https:\\\/\\\/www.instagram.com\\\/siteground\\\/\",\"https:\\\/\\\/www.youtube.com\\\/@siteground\"],\"description\":\"The SiteGround academy provides a wide variety of tips, tools, and resources related to WordPress, web performance, website optimization and site security.\",\"foundingDate\":\"2004-03-22\",\"numberOfEmployees\":{\"@type\":\"QuantitativeValue\",\"minValue\":\"501\",\"maxValue\":\"1000\"}},{\"@type\":\"Person\",\"@id\":\"https:\\\/\\\/academy.siteground.com\\\/en\\\/#\\\/schema\\\/person\\\/7d4df4b28e4eaffd88146f196449730f\",\"name\":\"Erin Ridley\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/bcda42beac5675eb253f902bf83ec5d33a607c7e32421de4e84dc6b4385f6b29?s=96&d=mm&r=g\",\"url\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/bcda42beac5675eb253f902bf83ec5d33a607c7e32421de4e84dc6b4385f6b29?s=96&d=mm&r=g\",\"contentUrl\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/bcda42beac5675eb253f902bf83ec5d33a607c7e32421de4e84dc6b4385f6b29?s=96&d=mm&r=g\",\"caption\":\"Erin Ridley\"},\"sameAs\":[\"https:\\\/\\\/www.linkedin.com\\\/in\\\/erin-ridley-1805473\\\/\"],\"url\":\"https:\\\/\\\/academy.siteground.com\\\/en\\\/author\\\/erinridley\\\/\"}]}<\/script>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"Double Opt-In: Your Key to Building a High-Quality Email List - SiteGround Academy","description":"Struggling with low open rates or spam complaints? Learn how double opt-in can transform your email list quality and skyrocket your marketing results.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/academy.siteground.com\/en\/double-opt-in\/","og_locale":"en_US","og_type":"article","og_title":"Double Opt-In: Your Key to Building a High-Quality Email List","og_description":"Struggling with low open rates or spam complaints? Learn how double opt-in can transform your email list quality and skyrocket your marketing results.","og_url":"https:\/\/academy.siteground.com\/en\/double-opt-in\/","og_site_name":"SiteGround","article_publisher":"https:\/\/www.facebook.com\/siteground","article_published_time":"2024-08-06T06:50:36+00:00","article_modified_time":"2025-07-16T14:07:34+00:00","og_image":[{"width":1400,"height":700,"url":"https:\/\/academy.siteground.com\/en\/wp-content\/uploads\/sites\/2\/2024\/08\/Double_Opt-In_1400x700-1.jpg","type":"image\/jpeg"}],"author":"Erin Ridley","twitter_card":"summary_large_image","twitter_creator":"@siteground","twitter_site":"@siteground","twitter_misc":{"Written by":"Erin Ridley","Est. reading time":"8 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/academy.siteground.com\/en\/double-opt-in\/#article","isPartOf":{"@id":"https:\/\/academy.siteground.com\/en\/double-opt-in\/"},"author":{"name":"Erin Ridley","@id":"https:\/\/academy.siteground.com\/en\/#\/schema\/person\/7d4df4b28e4eaffd88146f196449730f"},"headline":"Double Opt-In: Your Key to Building a High-Quality Email List","datePublished":"2024-08-06T06:50:36+00:00","dateModified":"2025-07-16T14:07:34+00:00","mainEntityOfPage":{"@id":"https:\/\/academy.siteground.com\/en\/double-opt-in\/"},"wordCount":1757,"commentCount":2,"publisher":{"@id":"https:\/\/academy.siteground.com\/en\/#organization"},"image":{"@id":"https:\/\/academy.siteground.com\/en\/double-opt-in\/#primaryimage"},"thumbnailUrl":"https:\/\/academy.siteground.com\/en\/wp-content\/uploads\/sites\/2\/2024\/08\/Double_Opt-In_1400x700-1.jpg","articleSection":["Email Marketing"],"inLanguage":"en-US","potentialAction":[{"@type":"CommentAction","name":"Comment","target":["https:\/\/academy.siteground.com\/en\/double-opt-in\/#respond"]}]},{"@type":"WebPage","@id":"https:\/\/academy.siteground.com\/en\/double-opt-in\/","url":"https:\/\/academy.siteground.com\/en\/double-opt-in\/","name":"Double Opt-In: Your Key to Building a High-Quality Email List - SiteGround Academy","isPartOf":{"@id":"https:\/\/academy.siteground.com\/en\/#website"},"primaryImageOfPage":{"@id":"https:\/\/academy.siteground.com\/en\/double-opt-in\/#primaryimage"},"image":{"@id":"https:\/\/academy.siteground.com\/en\/double-opt-in\/#primaryimage"},"thumbnailUrl":"https:\/\/academy.siteground.com\/en\/wp-content\/uploads\/sites\/2\/2024\/08\/Double_Opt-In_1400x700-1.jpg","datePublished":"2024-08-06T06:50:36+00:00","dateModified":"2025-07-16T14:07:34+00:00","description":"Struggling with low open rates or spam complaints? Learn how double opt-in can transform your email list quality and skyrocket your marketing results.","breadcrumb":{"@id":"https:\/\/academy.siteground.com\/en\/double-opt-in\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/academy.siteground.com\/en\/double-opt-in\/"]}]},{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/academy.siteground.com\/en\/double-opt-in\/#primaryimage","url":"https:\/\/academy.siteground.com\/en\/wp-content\/uploads\/sites\/2\/2024\/08\/Double_Opt-In_1400x700-1.jpg","contentUrl":"https:\/\/academy.siteground.com\/en\/wp-content\/uploads\/sites\/2\/2024\/08\/Double_Opt-In_1400x700-1.jpg","width":1400,"height":700,"caption":"Double_Opt-In"},{"@type":"BreadcrumbList","@id":"https:\/\/academy.siteground.com\/en\/double-opt-in\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/academy.siteground.com\/en\/"},{"@type":"ListItem","position":2,"name":"Double Opt-In: Your Key to Building a High-Quality Email List"}]},{"@type":"WebSite","@id":"https:\/\/academy.siteground.com\/en\/#website","url":"https:\/\/academy.siteground.com\/en\/","name":"SiteGround Academy","description":"The SiteGround academy provides a wide variety of tips, tools, and resources related to WordPress, web performance, website optimization and site security.","publisher":{"@id":"https:\/\/academy.siteground.com\/en\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/academy.siteground.com\/en\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"en-US"},{"@type":"Organization","@id":"https:\/\/academy.siteground.com\/en\/#organization","name":"SiteGround","url":"https:\/\/academy.siteground.com\/en\/","logo":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/academy.siteground.com\/en\/#\/schema\/logo\/image\/","url":"https:\/\/academy.siteground.com\/en\/wp-content\/uploads\/sites\/2\/2025\/01\/Siteground-Logo-on-white.jpg","contentUrl":"https:\/\/academy.siteground.com\/en\/wp-content\/uploads\/sites\/2\/2025\/01\/Siteground-Logo-on-white.jpg","width":1200,"height":400,"caption":"SiteGround"},"image":{"@id":"https:\/\/academy.siteground.com\/en\/#\/schema\/logo\/image\/"},"sameAs":["https:\/\/www.facebook.com\/siteground","https:\/\/x.com\/siteground","https:\/\/www.instagram.com\/siteground\/","https:\/\/www.youtube.com\/@siteground"],"description":"The SiteGround academy provides a wide variety of tips, tools, and resources related to WordPress, web performance, website optimization and site security.","foundingDate":"2004-03-22","numberOfEmployees":{"@type":"QuantitativeValue","minValue":"501","maxValue":"1000"}},{"@type":"Person","@id":"https:\/\/academy.siteground.com\/en\/#\/schema\/person\/7d4df4b28e4eaffd88146f196449730f","name":"Erin Ridley","image":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/secure.gravatar.com\/avatar\/bcda42beac5675eb253f902bf83ec5d33a607c7e32421de4e84dc6b4385f6b29?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/bcda42beac5675eb253f902bf83ec5d33a607c7e32421de4e84dc6b4385f6b29?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/bcda42beac5675eb253f902bf83ec5d33a607c7e32421de4e84dc6b4385f6b29?s=96&d=mm&r=g","caption":"Erin Ridley"},"sameAs":["https:\/\/www.linkedin.com\/in\/erin-ridley-1805473\/"],"url":"https:\/\/academy.siteground.com\/en\/author\/erinridley\/"}]}},"_links":{"self":[{"href":"https:\/\/academy.siteground.com\/en\/wp-json\/wp\/v2\/posts\/19524","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/academy.siteground.com\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/academy.siteground.com\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/academy.siteground.com\/en\/wp-json\/wp\/v2\/users\/61"}],"replies":[{"embeddable":true,"href":"https:\/\/academy.siteground.com\/en\/wp-json\/wp\/v2\/comments?post=19524"}],"version-history":[{"count":1,"href":"https:\/\/academy.siteground.com\/en\/wp-json\/wp\/v2\/posts\/19524\/revisions"}],"predecessor-version":[{"id":23900,"href":"https:\/\/academy.siteground.com\/en\/wp-json\/wp\/v2\/posts\/19524\/revisions\/23900"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/academy.siteground.com\/en\/wp-json\/wp\/v2\/media\/19570"}],"wp:attachment":[{"href":"https:\/\/academy.siteground.com\/en\/wp-json\/wp\/v2\/media?parent=19524"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/academy.siteground.com\/en\/wp-json\/wp\/v2\/categories?post=19524"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/academy.siteground.com\/en\/wp-json\/wp\/v2\/tags?post=19524"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}