{"id":21812,"date":"2025-06-25T13:59:56","date_gmt":"2025-06-25T11:59:56","guid":{"rendered":"https:\/\/www.papaki.com\/blog\/?p=21812"},"modified":"2025-06-25T13:59:56","modified_gmt":"2025-06-25T11:59:56","slug":"what-are-web-cookies","status":"publish","type":"post","link":"https:\/\/www.papaki.com\/blog\/en\/2025\/06\/25\/what-are-web-cookies\/","title":{"rendered":"What are Web cookies and what do they do?\u00a0"},"content":{"rendered":"<p><span data-contrast=\"auto\">Do you wonder what cookies are that appear on every site you visit?\u00a0 We have the answer! In this article, we will take a detailed look at what cookies are, how they work, and how they can help you effectively manage and develop your website or eShop. From traffic analysis to content personalization, cookies have a lot to offer.<\/span><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;335559738&quot;:240,&quot;335559739&quot;:240}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">Let&#8217;s get started!<\/span><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;335559738&quot;:240,&quot;335559739&quot;:240}\">\u00a0<\/span><\/p>\n<h3><b><span data-contrast=\"auto\">What are cookies?<\/span><\/b><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;335559738&quot;:240,&quot;335559739&quot;:240}\">\u00a0<\/span><\/h3>\n<p><span data-contrast=\"auto\">Cookies are <\/span><b><span data-contrast=\"auto\">small text files<\/span><\/b><span data-contrast=\"auto\"> that are stored on a user&#8217;s computer or mobile phone when they visit a site. These files contain <\/span><b><span data-contrast=\"auto\">information about the user&#8217;s visit<\/span><\/b><span data-contrast=\"auto\"> to that particular page. Cookies are created and managed by the site&#8217;s server and can be retrieved on the user&#8217;s next visit.<\/span><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;335559738&quot;:240,&quot;335559739&quot;:240}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">However, let&#8217;s see how it&#8217;s done.<\/span><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;335559738&quot;:240,&quot;335559739&quot;:240}\">\u00a0<\/span><\/p>\n<h3><b><span data-contrast=\"auto\">How do they work?<\/span><\/b><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;335559738&quot;:240,&quot;335559739&quot;:240}\">\u00a0<\/span><\/h3>\n<p><span data-contrast=\"auto\">When someone visits a site, the server sends a cookie to the user&#8217;s device. This cookie contains unique data that allows the site to recognize the user on future visits. Cookies can <\/span><b><span data-contrast=\"auto\">store various information<\/span><\/b><span data-contrast=\"auto\"> such as user preferences, login status, and language choices.<\/span><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;335559738&quot;:240,&quot;335559739&quot;:240}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">By storing this information, the site can <\/span><b><span data-contrast=\"auto\">customize the user&#8217;s experience<\/span><\/b><span data-contrast=\"auto\"> and provide <\/span><b><span data-contrast=\"auto\">more relevant and personalized content<\/span><\/b><span data-contrast=\"auto\">. For example, a user who prefers to view content in a particular language will not have to change language every time they visit the site.<\/span><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;335559738&quot;:240,&quot;335559739&quot;:240}\">\u00a0<\/span><\/p>\n<h3><b><span data-contrast=\"auto\">What types of cookies are there?<\/span><\/b><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;335551550&quot;:0,&quot;335551620&quot;:0,&quot;335559738&quot;:240,&quot;335559739&quot;:240}\">\u00a0<\/span><\/h3>\n<p><span data-contrast=\"auto\">You may have noticed that when you enter a site, it doesn&#8217;t just ask you to accept cookies, but gives you the option to <\/span><b><span data-contrast=\"auto\">allow certain types<\/span><\/b><span data-contrast=\"auto\">. What are they?<\/span><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;335551550&quot;:0,&quot;335551620&quot;:0,&quot;335559738&quot;:240,&quot;335559739&quot;:240}\">\u00a0<\/span><\/p>\n<h4><b><span data-contrast=\"auto\">Necessary cookies<\/span><\/b><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;335559738&quot;:240,&quot;335559739&quot;:240}\">\u00a0<\/span><\/h4>\n<p><span data-contrast=\"auto\">These cookies are <\/span><b><span data-contrast=\"auto\">necessary for the operation of the site<\/span><\/b><span data-contrast=\"auto\">. Without them, your site cannot function properly. For example, some cookies manage the user&#8217;s login status and secure navigation.<\/span><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;335559738&quot;:240,&quot;335559739&quot;:240}\">\u00a0<\/span><\/p>\n<h4><b><span data-contrast=\"auto\">Performance cookies<\/span><\/b><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;335551550&quot;:0,&quot;335551620&quot;:0,&quot;335559738&quot;:240,&quot;335559739&quot;:240}\">\u00a0<\/span><\/h4>\n<p><span data-contrast=\"auto\">Performance cookies collect information about <\/span><b><span data-contrast=\"auto\">how users use your site<\/span><\/b><span data-contrast=\"auto\">. This data, if you maintain a site or eShop, helps you understand whether the pages are working properly or if there are problems that need to be resolved.<\/span><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;335551550&quot;:0,&quot;335551620&quot;:0,&quot;335559738&quot;:240,&quot;335559739&quot;:240}\">\u00a0<\/span><\/p>\n<h4><b><span data-contrast=\"auto\">Functionality cookies<\/span><\/b><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;201341983&quot;:0,&quot;335551550&quot;:1,&quot;335551620&quot;:1,&quot;335559685&quot;:0,&quot;335559737&quot;:0,&quot;335559738&quot;:240,&quot;335559739&quot;:240,&quot;335559740&quot;:279}\">\u00a0<\/span><\/h4>\n<p><span data-contrast=\"auto\">These cookies allow the site to <\/span><b><span data-contrast=\"auto\">\u201cremember\u201d users&#8217; choices<\/span><\/b><span data-contrast=\"auto\">, such as their language or location. Thanks to them, users enjoy a more personal and enjoyable browsing experience.<\/span><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;335551550&quot;:0,&quot;335551620&quot;:0,&quot;335559738&quot;:240,&quot;335559739&quot;:240}\">\u00a0<\/span><\/p>\n<h4><b><span data-contrast=\"auto\">Target advertising cookies<\/span><\/b><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;201341983&quot;:0,&quot;335551550&quot;:1,&quot;335551620&quot;:1,&quot;335559685&quot;:0,&quot;335559737&quot;:0,&quot;335559738&quot;:240,&quot;335559739&quot;:240,&quot;335559740&quot;:279}\">\u00a0<\/span><\/h4>\n<p><span data-contrast=\"auto\">Target advertising cookies are used to <\/span><b><span data-contrast=\"auto\">show ads that are relevant to the interests of users<\/span><\/b><span data-contrast=\"auto\">. They collect information about <\/span><b><span data-contrast=\"auto\">browsing habits, <\/span><\/b><span data-contrast=\"auto\">which they use to <\/span><b><span data-contrast=\"auto\">create a user profile<\/span><\/b><span data-contrast=\"auto\"> that allows more relevant ads to be displayed. More specifically, these cookies collect data such as the web pages a user visits, the searches they make, and their interactions with content to create a detailed profile for each user. This profile helps to <\/span><b><span data-contrast=\"auto\">target ads <\/span><\/b><span data-contrast=\"auto\">th<\/span><span data-contrast=\"auto\">at best match customers&#8217; interests and preferences, <\/span><b><span data-contrast=\"auto\">increasing the effectiveness of advertising campaigns<\/span><\/b><span data-contrast=\"auto\">.<\/span><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;335551550&quot;:0,&quot;335551620&quot;:0,&quot;335559738&quot;:240,&quot;335559739&quot;:240}\">\u00a0<\/span><\/p>\n<h3><b><span data-contrast=\"auto\">What are cookies for?<\/span><\/b><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;335559738&quot;:240,&quot;335559739&quot;:240}\">\u00a0<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/h3>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-21815\" src=\"https:\/\/www.papaki.com\/blog\/wp-content\/uploads\/2025\/06\/insideimage_cookies.jpg.webp\" alt=\"web cookies\" width=\"700\" height=\"466\" srcset=\"https:\/\/www.papaki.com\/blog\/wp-content\/uploads\/2025\/06\/insideimage_cookies.jpg.webp 700w, https:\/\/www.papaki.com\/blog\/wp-content\/uploads\/2025\/06\/insideimage_cookies.jpg-300x200.webp 300w\" sizes=\"auto, (max-width: 700px) 100vw, 700px\" \/><\/p>\n<p><span data-contrast=\"auto\">If you have a website or eShop, you can extract <\/span><b><span data-contrast=\"auto\">a lot of data<\/span><\/b><span data-contrast=\"auto\"> that is useful for optimising the functionality of your site, but also for adapting your content to the preferences of your visitors.<\/span><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;335551550&quot;:0,&quot;335551620&quot;:0,&quot;335559738&quot;:240,&quot;335559739&quot;:240}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">How? Let&#8217;s take a closer look.<\/span><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;335551550&quot;:0,&quot;335551620&quot;:0,&quot;335559738&quot;:240,&quot;335559739&quot;:240}\">\u00a0<\/span><\/p>\n<h4><b><span data-contrast=\"auto\">Improved traffic analysis<\/span><\/b><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;335551550&quot;:0,&quot;335551620&quot;:0,&quot;335559738&quot;:240,&quot;335559739&quot;:240}\">\u00a0<\/span><\/h4>\n<p><span data-contrast=\"auto\">Cookies provide important data for<\/span><b><span data-contrast=\"auto\"> analysing your site&#8217;s traffic<\/span><\/b><span data-contrast=\"auto\">. You can find out how many visitors you have, which page is the most popular, and how much time they spend on your site. This information helps you understand<\/span><b><span data-contrast=\"auto\"> your site&#8217;s performance and make improvements where needed<\/span><\/b><span data-contrast=\"auto\">.<\/span><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;335551550&quot;:0,&quot;335551620&quot;:0,&quot;335559738&quot;:240,&quot;335559739&quot;:240}\">\u00a0<\/span><\/p>\n<h4><b><span data-contrast=\"auto\">Personalization of content<\/span><\/b><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;201341983&quot;:0,&quot;335551550&quot;:1,&quot;335551620&quot;:1,&quot;335559685&quot;:0,&quot;335559737&quot;:0,&quot;335559738&quot;:240,&quot;335559739&quot;:240,&quot;335559740&quot;:279}\">\u00a0<\/span><\/h4>\n<p><span data-contrast=\"auto\">Cookies allow you to tailor the content of your site to users&#8217; preferences. This means you can offer a <\/span><b><span data-contrast=\"auto\">more relevant and interesting experience to your visitors<\/span><\/b><span data-contrast=\"auto\">. For example, if a user has shown interest in certain products or services, you can show offers or suggestions that are more likely to interest him\/her.<\/span><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;201341983&quot;:0,&quot;335551550&quot;:1,&quot;335551620&quot;:1,&quot;335559685&quot;:0,&quot;335559737&quot;:0,&quot;335559738&quot;:240,&quot;335559739&quot;:240,&quot;335559740&quot;:279}\">\u00a0<\/span><\/p>\n<h4><b><span data-contrast=\"auto\">Ad optimization <\/span><\/b><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;335559738&quot;:240,&quot;335559739&quot;:240}\">\u00a0<\/span><\/h4>\n<p><span data-contrast=\"auto\">You can also use cookies to <\/span><b><span data-contrast=\"auto\">monitor the effectiveness of ads<\/span><\/b><span data-contrast=\"auto\">. By analyzing the data provided by cookies, you can find out which of your ads are more effective and which ones need improvement. This allows you to <\/span><b><span data-contrast=\"auto\">adjust your marketing strategy<\/span><\/b><span data-contrast=\"auto\"> and <\/span><b><span data-contrast=\"auto\">maximise your return on investment<\/span><\/b><span data-contrast=\"auto\">.<\/span><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;335551550&quot;:0,&quot;335551620&quot;:0,&quot;335559738&quot;:240,&quot;335559739&quot;:240}\">\u00a0<\/span><\/p>\n<h3><b><span data-contrast=\"auto\">Best practices for the use of cookies<\/span><\/b><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;335551550&quot;:0,&quot;335551620&quot;:0,&quot;335559738&quot;:240,&quot;335559739&quot;:240}\">\u00a0<\/span><\/h3>\n<p><span data-contrast=\"auto\">To get the most out of cookies on your website, we have put together some best practices you can follow:<\/span><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;335551550&quot;:0,&quot;335551620&quot;:0,&quot;335559738&quot;:240,&quot;335559739&quot;:240}\">\u00a0<\/span><\/p>\n<h4><b><span data-contrast=\"auto\">Focus on user privacy<\/span><\/b><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;335551550&quot;:0,&quot;335551620&quot;:0,&quot;335559738&quot;:240,&quot;335559739&quot;:240}\">\u00a0<\/span><\/h4>\n<p><span data-contrast=\"auto\">User privacy is of primary importance. Make sure your cookie policy is <\/span><b><span data-contrast=\"auto\">transparent and understandable<\/span><\/b><span data-contrast=\"auto\">, and that users are in control of their data.<\/span><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;335551550&quot;:0,&quot;335551620&quot;:0,&quot;335559738&quot;:240,&quot;335559739&quot;:240}\">\u00a0<\/span><\/p>\n<h4><b><span data-contrast=\"auto\">Use cookies strategically<\/span><\/b><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;201341983&quot;:0,&quot;335551550&quot;:1,&quot;335551620&quot;:1,&quot;335559685&quot;:0,&quot;335559737&quot;:0,&quot;335559738&quot;:240,&quot;335559739&quot;:240,&quot;335559740&quot;:279}\">\u00a0<\/span><\/h4>\n<p><span data-contrast=\"auto\">Create a cookie strategy that<\/span><b><span data-contrast=\"auto\"> serves your business goals<\/span><\/b><span data-contrast=\"auto\">. This may include optimizing the user experience, analyzing user behaviour, and tracking advertising campaigns.<\/span><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;335559738&quot;:240,&quot;335559739&quot;:240}\">\u00a0<\/span><\/p>\n<h4><b><span data-contrast=\"auto\">Monitor and update cookies<\/span><\/b><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;201341983&quot;:0,&quot;335551550&quot;:1,&quot;335551620&quot;:1,&quot;335559685&quot;:0,&quot;335559737&quot;:0,&quot;335559738&quot;:240,&quot;335559739&quot;:240,&quot;335559740&quot;:279}\">\u00a0<\/span><\/h4>\n<p><b><span data-contrast=\"auto\">Regularly check the cookies<\/span><\/b><span data-contrast=\"auto\"> you use and update them according to the needs of your business and changes in data protection regulations.<\/span><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;335559738&quot;:240,&quot;335559739&quot;:240}\">\u00a0<\/span><\/p>\n<h3><b><span data-contrast=\"auto\">Conclusion <\/span><\/b><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;201341983&quot;:0,&quot;335551550&quot;:1,&quot;335551620&quot;:1,&quot;335559685&quot;:0,&quot;335559737&quot;:0,&quot;335559738&quot;:240,&quot;335559739&quot;:240,&quot;335559740&quot;:279}\">\u00a0<\/span><\/h3>\n<p><span data-contrast=\"auto\">As you have already understood, cookies are a powerful online tool. That&#8217;s because it can help you improve your visitors&#8217; experience, analyze your site&#8217;s performance, and tailor content to your customers&#8217; preferences. If you&#8217;re not yet using cookies on your site, maybe it&#8217;s time to give them a try and reap the benefits!<\/span><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;201341983&quot;:0,&quot;335551550&quot;:1,&quot;335551620&quot;:1,&quot;335559685&quot;:0,&quot;335559737&quot;:0,&quot;335559738&quot;:240,&quot;335559739&quot;:240,&quot;335559740&quot;:279}\">\u00a0<\/span><\/p>\n<h6><strong>\u00a0Read more:<\/strong><\/h6>\n<header class=\"entry-header\">\n<p class=\"text-light text-center emphasis aos-init aos-animate\" data-aos=\"fade-up\" data-aos-delay=\"0\"><a href=\"https:\/\/www.papaki.com\/blog\/en\/2024\/01\/24\/url-shorteners-pros-and-cons\/\" target=\"_blank\" rel=\"noopener\">URL shorteners: pros, cons, and when to use them<\/a><\/p>\n<p class=\"text-light text-center emphasis aos-init aos-animate\" data-aos=\"fade-up\" data-aos-delay=\"0\"><a href=\"https:\/\/www.papaki.com\/blog\/en\/2025\/04\/15\/unsubscribe-links-email-marketing\/\" target=\"_blank\" rel=\"noopener\">How unsubscribe links can help your email marketing strategy\u00a0<\/a><\/p>\n<\/header>\n<div class=\"post_image_above aos-init aos-animate\" data-aos=\"fade\" data-aos-delay=\"0\"><picture><source srcset=\"https:\/\/www.papaki.com\/blog\/wp-content\/webp-express\/webp-images\/uploads\/2024\/01\/Papaki_blogImages_UrlShortener.jpg.webp 730w, https:\/\/www.papaki.com\/blog\/wp-content\/webp-express\/webp-images\/uploads\/2024\/01\/Papaki_blogImages_UrlShortener-300x200.jpg.webp 300w\" type=\"image\/webp\" sizes=\"(max-width: 730px) 100vw, 730px\" \/><\/picture><\/div>\n","protected":false},"excerpt":{"rendered":"<p>Do you wonder what cookies are that appear on every site you&#8230; <a class=\"text-colored text-underlined\" href=\"https:\/\/www.papaki.com\/blog\/en\/2025\/06\/25\/what-are-web-cookies\/\">\u03a0\u03b5\u03c1\u03b9\u03c3\u03c3\u03cc\u03c4\u03b5\u03c1\u03b1<\/a><\/p>\n","protected":false},"author":52,"featured_media":21272,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"mc4wp_mailchimp_campaign":[],"footnotes":""},"categories":[646],"tags":[5150,5152,5148],"coauthors":[3452],"class_list":["post-21812","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-marketing_en","tag-cookies-best-practices","tag-types-of-cookies","tag-web-cookies"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v27.4) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>What are Web cookies and what do they do?\u00a0 - Papaki Blog<\/title>\n<meta name=\"description\" content=\"What are cookies? Learn all you need and improve the performance of your site and your advertising campaigns!\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.papaki.com\/blog\/en\/2025\/06\/25\/what-are-web-cookies\/\" \/>\n<meta property=\"og:locale\" content=\"el_GR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"What are Web cookies and what do they do?\u00a0\" \/>\n<meta property=\"og:description\" content=\"What are cookies? 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