{"id":3472,"date":"2026-10-09T04:13:44","date_gmt":"2026-10-08T20:13:44","guid":{"rendered":"http:\/\/www.shmoualsalamart.com\/blog\/?p=3472"},"modified":"2026-10-09T04:13:44","modified_gmt":"2026-10-08T20:13:44","slug":"what-are-third-party-cookies-4a43-8093d2","status":"publish","type":"post","link":"http:\/\/www.shmoualsalamart.com\/blog\/2026\/10\/09\/what-are-third-party-cookies-4a43-8093d2\/","title":{"rendered":"What are third – party cookies?"},"content":{"rendered":"

Hey there, let\u2019s cut through the jargon and talk about third-party cookies\u2014especially since I\u2019m actually a cookie supplier (the kind that lives on your screen, not the ones you dunk in coffee). If you\u2019ve ever clicked \u201cAccept All\u201d on a website\u2019s cookie banner without reading a word, or got weirdly specific ads for something you just<\/em> thought about (like that weird vegan fudge you ranted about to your friend 10 minutes prior), you\u2019ve dealt with third-party cookies, even if you didn\u2019t know it. Let\u2019s break this down like we\u2019re chatting over a delivery pizza, no tech degree required. Cookies<\/a><\/p>\n

<\/p>\n

First off, let\u2019s start with the basics: what\u2019s a first-party cookie? That\u2019s the vanilla, store-bought kind of cookie we all know. When you log into your Netflix account on your laptop, it saves your login info (so you don\u2019t type your password 10 times a day) and remembers you like to watch true crime documentaries over rom-coms. That\u2019s a first-party cookie\u2014made by the site you\u2019re on, for your use on that specific site. Simple enough, right?<\/p>\n

Now third-party cookies? Think of them like a friend who brings over extra cookies to your pizza night, but they end up taking a photo of half your couch, posting it to their Instagram, and tagging every brand they ever met. That\u2019s basically the vibe. Let\u2019s get technical for half a sec (I\u2019ll keep it short, I promise). A third-party cookie is set by a domain that\u2019s not<\/em> the one you\u2019re currently visiting. So if I\u2019m scrolling through a fashion blog (say, myfashiondiary.com) and there\u2019s an ad for sunscreen from SunscreenCo.com on that page, SunscreenCo drops a cookie in my browser. That cookie isn\u2019t owned by the fashion blog\u2014it\u2019s owned by that sunscreen brand, or whatever ad network they work with. It\u2019s tracking me across every site that uses that same ad network, so they can build a weirdly detailed profile of my internet habits: what blogs I read, what products I click on, even how long I stare at a page before closing it.<\/p>\n

Wait, why would anyone<\/em> bother with this? Let\u2019s be real, it\u2019s not just to creep you out. For a long time, third-party cookies were the backbone of the entire internet ad industry. Before they existed, brands had no way of knowing if their ads were actually working. If I saw a Nike ad on a sports site and then bought sneakers a week later, how would Nike know I saw that ad on their site vs. a friend\u2019s casual comment? Third-party cookies fixed that. They could follow me from that sports site to a news site to a social media app, track that I clicked their ad, and then hit me with a reminder later\u2014hopefully making me more likely to buy. Publishers too: the fashion blog I was on earlier makes money by letting those ads run, right? Without third-party cookies, ad networks couldn\u2019t match brands to the right audiences, so publishers would make way less cash, which means no more free blogs, no more free news sites, no more random cat videos that make your work day a little less soul-sucking.<\/p>\n

But here\u2019s the thing about third-party cookies: they got too<\/em> good, and the internet had a small meltdown. Remember when you searched for \u201canti-itch cream for dogs\u201d and then every website you visited for a month was selling dog anti-itch cream? Or that time you talked about a birthday gift for your mom with your partner, and suddenly Facebook was showing you mother\u2019s day jewelry ads? That\u2019s the creep factor, and it\u2019s made people go crazy. A lot of folks feel like their internet is being watched 24\/7, even when they\u2019re just trying to look up how to fix a wobbly shelf. Governments started stepping in too\u2014like the EU\u2019s GDPR, which made sites have to ask you explicitly<\/em> before using non-essential cookies, and then Chrome, which used to be the biggest browser around, announced they were phasing out third-party cookies entirely by 2024 (they pushed it back, but it\u2019s still happening).<\/p>\n

Now, as someone who\u2019s in the cookie game, let me be real: this shift isn\u2019t easy. I supply third-party cookies (for ad purposes, not snack time!) to a bunch of brands, and yeah, this change has forced all of us to pivot hard. For a minute, everyone panicked\u2014\u201cwait, how do we track ads now? How do brands know if their ad spend isn\u2019t just getting wasted on people who will never buy their stuff?\u201d It felt like the internet was about to turn back into a world where you saw the same generic pizza ad every single time, no matter how many times you ordered pizza. But here\u2019s the thing: third-party cookies weren\u2019t just evil\u2014they were a crutch. They were the easiest way to track people, but they weren\u2019t the only<\/em> way.<\/p>\n

Let\u2019s talk about what comes next, because if you\u2019re a brand or a publisher, this is the stuff that matters. First, there\u2019s something called first-party data, which is basically the data you collect from people who already interact with your<\/em> site. If you run a coffee shop, that\u2019s the email addresses of people who signed up for your loyalty program, what drinks they order, how often they come in. It\u2019s way more reliable than third-party cookies because it\u2019s actual people who already care about you. I\u2019ve been pushing my clients to lean way harder into this\u2014instead of tracking random strangers across the internet, target the people who already know your brand. It\u2019s cheaper too, and less creepy.<\/p>\n

Then there\u2019s this thing called \u201cprivacy sandboxes\u201d that browsers are testing, which is a way for ad networks to still track ad performance without giving up your personal info. Like, Chrome\u2019s Privacy Sandbox has something called Topics, where your browser picks a few interest categories (like \u201chiking\u201d or \u201cvegan cooking\u201d) based on your browsing, and advertisers can see those categories, not your specific name or address. No more following you around with super specific ads, but brands still know if their hiking ad is showing up on hiking sites. It\u2019s not perfect, but it\u2019s a middle ground that a lot of us are excited about.<\/p>\n

Wait, let\u2019s circle back to why I\u2019m telling you all this. I said I\u2019m a cookie supplier, right? A lot of people think when they hear \u201cthird-party cookies\u201d it\u2019s just this sketchy thing that brands use to stalk them, and yeah, there\u2019s truth to that, but they also do a lot of good. The small indie blog that covers sustainable fashion? They can\u2019t afford to charge for subscriptions, so ad revenue from those cookies lets them keep writing free articles. The small skincare brand run out of someone\u2019s garage? They can reach people who actually care about clean beauty, instead of wasting money on ads that show up to people who only buy drugstore lotion. I work with a bunch of small businesses, not just huge corporations, and third-party cookies (when used properly) let those small guys compete with the big brands.<\/p>\n

But that doesn\u2019t mean there aren\u2019t issues. A lot of ad networks hoard way too much data, and that\u2019s why people are mad. I always tell my clients: the best third-party cookies are the ones that are transparent. We should tell you when we\u2019re dropping a cookie, what it\u2019s for, and let you opt out if you want. No hidden stuff, no weird data sharing that you never agreed to. That\u2019s the stuff that gives all third-party cookies a bad name.<\/p>\n

Let\u2019s do a quick recap to make sure this sticks, because I know tech terms can make your eyes glaze over. First-party cookies = good, basic site stuff, like remembering your login. Third-party cookies = set by a different site, track you across the internet, were the main way ads worked for years, now being phased out because of privacy concerns. They\u2019re not all evil, but they\u2019ve had their day, and the internet is moving to other ways of tracking that are less creepy and more sustainable.<\/p>\n

If you\u2019re a business owner, a publisher, or just someone who\u2019s curious about how ads work online, this is a big moment. A lot of people are confused about what to do next, and that\u2019s where I come in. I\u2019ve been in the cookie game for years, navigating all these changes, helping brands and ad networks adapt to this new world. Whether you\u2019re a small business trying to figure out how to get your ads in front of the right people without being creepy, or a publisher looking to make ad revenue work now that third-party cookies are on their way out, I can help.<\/p>\n

I don\u2019t do vague, overcomplicated stuff. We can talk about what your actual needs are, no tech jargon, no hidden fees. I\u2019ve worked with everyone from local cafes to online retailers, and I know how to make this stuff work for you without making your customers feel like they\u2019re being watched. If you\u2019re ready to chat about how to adjust to the cookie shift, or even just want to ask questions about third-party cookies and what they mean for your business, feel free to reach out. I\u2019m here to help, no pressure.<\/p>\n

Before I sign off, let\u2019s make sure we\u2019re all on the same page about one last thing: third-party cookies aren\u2019t going away tomorrow. Browsers are phasing them out over the next couple years, so there\u2019s still time to adjust. But waiting till the last minute is a bad move\u2014by then, everyone else will have already figured out the new systems, and you\u2019ll be playing catch up. That\u2019s why I\u2019m here, to make this transition as smooth as possible for you.<\/p>\n

<\/p>\n

Now, if you\u2019ll excuse me, I\u2019ve got a new batch of test cookies (the ad kind, not the snack kind) to go over with my team. They\u2019re optimized for the new privacy-focused systems, so they\u2019ll work better, be less creepy, and still help your business grow. Sounds like a win-win to me. Let\u2019s connect and make this cookie shift work for you.<\/p>\n

Room Temperature Cake<\/a> References:<\/p>\n