for Atom and RSS and KML
It looks like this is a web page, not a feed. I looked for a feed associated with this page, but couldn't find one. Please enter the address of your feed to validate.
<!DOCTYPE html><html lang="en-US"><head><title>Just a moment...</title><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"><meta http-equiv="X-UA-Compatible" content="IE=Edge"><meta name="robots" content="noindex,nofollow"><meta name="viewport" content="width=device-width,initial-scale=1"><style>*{box-sizing:border-box;margin:0;padding:0}html{line-height:1.15;-webkit-text-size-adjust:100%;color:#313131;font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,Noto Sans,sans-serif,Apple Color Emoji,Segoe UI Emoji,Segoe UI Symbol,Noto Color Emoji}body{display:flex;flex-direction:column;height:100vh;min-height:100vh}.main-content{margin:8rem auto;max-width:60rem;padding-left:1.5rem}@media (width <= 720px){.main-content{margin-top:4rem}}.h2{font-size:1.5rem;font-weight:500;line-height:2.25rem}@media (width <= 720px){.h2{font-size:1.25rem;line-height:1.5rem}}#challenge-error-text{background-image:url(data:image/svg+xml;base64,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);background-repeat:no-repeat;background-size:contain;padding-left:34px}@media (prefers-color-scheme:dark){body{background-color:#222;color:#d9d9d9}}</style><meta http-equiv="refresh" content="390"></head><body class="no-js"><div class="main-wrapper" role="main"><div class="main-content"><noscript><div class="h2"><span id="challenge-error-text">Enable JavaScript and cookies to continue</span></div></noscript></div></div><script>(function(){window._cf_chl_opt={cvId: '3',cZone: "blog-595781357646.mit-edu.top",cType: 'managed',cRay: '90f6ad384be9d46b',cH: 'hB2r6ZoY3ixy0RKe8WfHVEOax42FQemIzrmMgnCzzlE-1739133648-1.2.1.1-O4VSHyaMDgywoZ4Ern5UeU3d8slEtW3No4gxKk33sNcYAT8OlU_49LbCQCJnCLVs',cUPMDTk: "\/post\/2913746580?__cf_chl_tk=bbOrZgdaLrnDHe9987NH2rigSBpFPeqaZlklGd3i1hA-1739133648-1.0.1.1-loaWFwtR9tXKSI0n2sEil59jMaT0HKt9c2kAozO5sMs",cFPWv: 'g',cITimeS: '1739133648',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/2913746580?__cf_chl_f_tk=bbOrZgdaLrnDHe9987NH2rigSBpFPeqaZlklGd3i1hA-1739133648-1.0.1.1-loaWFwtR9tXKSI0n2sEil59jMaT0HKt9c2kAozO5sMs",md: "5Vb_jRamro_9_ua_zy980yt5E8dKc8d1beeX3GEZ75w-1739133648-1.2.1.1-ScLeJbAaMwcWipKpFnQnmxHoyJr89J4rSOc20UR0QfKa1dQb3S43kxaLBFCIZ4leOf623aOzHbcMavS9TZ7w4thrkZjeKlpNszKD71w6LwkJGvv75eImLCrCCxpjdama909PXVL8ddHhJJPDzsfSjzkLv2ktzmfs_W8j8kr.8whicvZzItuihLj9Sdf067T2t.t..PcFRJNuyp8iu1Gy5fGA8m6gvle7BYGoM6vft3yddf9GY2xNDmPPzfX8gHaRn_Ze4tWk6i5t1ymJP0Ff.28mbAUVQPhXKFbSZDHLADHRRZlco4hhtjsKzP5yCyw4m4zeSPGS0WrI7G4bMi_zSgntvTN4L2t_BJOrJyyR2mFRXK0JfRq_9Nu0wG4wfQ3XpGnpb91lJH2QZABkLNV33OS5uusQ38xZDLWLsZaxc7tcmm9VMC6zC4Fqvuzd991sokPgZD60b6bAZqpsc12fpHtxJAMgLCT6hWtCJQymAbkkvwY7aXN6lJCKCVY.gmpyhzwxrhvrIZMzKngR774uyu8lPRzTBrjnQvvfLAciHu1JvYVZ2cLnbvNFTJsx4rXKPETBUAWMCttyn2Lk22KwjSfn8SngM2TQmlRXnWH_fIQReiYMKalZpin.5nGQxjJqL5OvRjeUg33PM2ZbL4efLtZYbSdQNgk.bsga3D0nsP5nnOn3Yd0mQjmmuupHg2XSJ4HaJb15k_aMdamQwCr7NtoERivbv8ft6r3zwtp_iK8E9C54FIZqLxgTWUX57TYaOrt0l8XZCoxUIi1AErc_v4oFNyRSPAxG1GMW73zL3lbNtjsGcEUdlKIDZnvVfmHz0hcXVSe4wSyKPOF.Qg_OVVMEpHTQIAdRpn72i2S6suC.sR1IY1GORERRMydk2d6xdWkF_Jh476z_5UGvp9oNDw4M0Fs8hjLMXqqcVxCp5xDvmMhIjuSquTID3GnoXM4CWUb1VKDSC7OxrXozCl46prMvs0N_4JiuTp3JIX7pHQNac814Ws9K9HPI7qMdL4C9kJLopx3Z7Vk8T4C3xtZSdmvZcxUDSmQgykSVtJ7rW9aIiQ7TMsoQNJGpV7cOZPTABvM9egoD0Gr.vj21ZAKyf8DnYJ6ha0yd2OVNI3V4xbIU.RLHKqsoRvWl6dTXwMpyoZd30SpLSF.aVC7U93VHf6ZFCOm.dQeU7U_GH3ucipHC27i75VeqgtpHYO1ikp7zZKCDIy3.0x9mnlQrLgU7pR9jDHUhggIDjDmV5g9RMPrX.OqiCyxo.akjKtJVkhMBpCBNXzq5QWyMmhkBWSeJrUSddHOYMnR3rdulVGAulyWi6vOj3BBJaqVj60MtLu4m8S3.M_F__506yyKgm7iBX8tn_.w3hEE8Slgho8JoU_SwyMAqU6L7i4GYEunCmUHqmT0B.0MoI.7MOORn3gdA15bPowRgYu0Jz1g_Xh1Er5Sr8xucrQgqXH5Hky9KYL4BkgdD2TOPGHLsk64pgmKg_rRcIRRx0APiEMVMYXOzveBE7LmoouoQ0iAjbUlb61qQ7yrPlf1whkyCiNaPBX4bsI.f_V.ZLbF8eoOyV_bIV5PXufUxy0fNpwk8NN9ohoQz9bWjpMHfZT3uCFXdbJtotpXvvIgzK8NqS1_7KNneuM9WJgENE58RhlMJ05Un4J6NYeIepSwgRXqWk3D3Hka7bXzAUmmATk.axXnHknKMLDW.gtmCsSt2an9_vfq.SmxtOa2RrFmRgCLaS76YF1_dF5X8XB1BTnxlzfNNeB8685Y8GRSXlU.4z9lEPZOCwL7WJ2McfXzpUkJwJ1v7j5NCaLNaqg0fWABarQlFY3xkhLw.cPopet3hmsg4eMYozzpS06z9EJK8fkv7k1z0LZwGa4TCdaVm.qJ.T2JRkfSjTRpi2O6H.DG5iA63GIYsmZe38tpYy7V0kownKr7wR4xDoJ3waFmRSDLxB3dZvSDBKPUuLeVFiNd7IJhTrWvOGY_Fdtmg5rlQyVIVOIOT1dLeHGlradUxspc35dzz_Vj24jqfhhsajZYmkjVGentX6sTBqd0ZLsYtpBzHEeKD5ZS343Q3pDE80Rd006D3DHjyfyLop09gQg7C9E_pd7LNzxMnCjqNtnkIztLjVq2DOpf5YtcVldNs5BO3PZHlnDTPEKE5UP6xXnDCyjVSEYv5lpiIxCsbE2BIzodb3_hJkRcQXMnLsgdpfE1zBAIBEfC5LgqNSMX8OJ317IcESY63V2ry",mdrd: "0ujui8lvXQal6feBYnhiPaPLCnKbMLUrRKg7T2bw.ko-1739133648-1.2.1.1-Mh_EFH..r8jO1BKaO_aoaSlhqRyqgRTjsp_VYBI_vsJH_HKx23Pd1Vf43hy97yQW84wsvMJNEbN6LdpeNH6jr7Y7enwmlkN4JQJAsSVvzREZBveRRJ_O5S6rB0MFKS5ELIcxtSA09D1Ssru3JDYHV0Q7.JiaVrwjnSh70NnKE_4kMxv7vMZ4w5k6V37MgYvdon63ABVKXPq9PS6DHzTzGKo0UYUA4n9kpZPXXSnR5N9EOfTf8UK_Jypv.mM6I3OjZ1P8Xwx6tkb6_wDPd9sdaxkzLaqGQppgM7gAv6Z98mRaiAQRKHBWiBjKbmvMzT_roF3TSYLALXw8cB19MfG8bGSXM3rtAN3IJUF_SS1LwoNk3Pv4JPIetB.kePHKtp6W_ph1Eml8Xfe08nYJbK_0zvzEcVqgSndNDOqvUDPHEw_qZ1Rg2wKjefyuk.yZi9L94Gp__OWiNbcz4bZxJRFw2Da5CBhJf2oCfz3rn9yDW3ZURSbBdfci4Dgwd6Y2OkawlT6cF4E6sEeA2c1sGkQDxmti6vbfQxqXavkRVliyV0lq_GWGf4KkD1Ed5NwzVwzMyinU_a3KV2.RFtBznbpEzQQW7HK3drJmwKKWpDDzA8.cGubbVdNh6.cm30lTmeUShIO2zX.oWMArxy4PAL5Cr5xBblCB9O33VICC92bZbsp7YhG79icsjm4DFtWc1AZs6z_d9Mj_2mDpoohA5PEaCrPhsPR8dIQjvFvunQY7iJ7Q8HyJireGG.8YuVuRI8Q86XCD4dtG4y6EWdZ.BJFBaelGvFThh3tkZqLkaRVF9UMgCc0hFb.77bTMMI63vWPND8PcRha_F60HmSgnrHZnacISMC_ZN6LqNtuVq7RpgFAjJrYcOpyY2hn5zGnOjgmjax7wYdFpDfHl3BD6XdJ8hWbZLp5nn_EqFHH7mQZw4ptZ5hPpENkjBFNE6tuYpCe1d5kgyh.oTCB8fHOkqenw_fWXMtwst9oTUg7zUJmoNb5fHTs_6RguzA.6RY0VcWfDKHFCXxq7qqWEiyfLP5867_WjzJYmtiKddXRpqj.1Zd3i3xu3lujXoCh6KteBFSOY2AVUh0IEtnDmgkR_lSSUbYAf3oOn9f6mtHZQe0ngW0.Ve2rr39hVxpy0_wRbiBtdmKSKdwUK3dyfh1jeYLdsclZQoyv3x5k8e08Qcb8.1ckt9tu22BjBoHb5j6uiJVhKXhZoTQ4ArqB21WQui1W.mdRMEpk.h9R.4y9wPEybSR6wYWK9nphvf_sDRFl8W8JISARZh7C2TucCjwqJ14IO8jN54cS64Qu9e_3hnOa5nxSieL3gasZeHRvEc_pzzN4xQsTygprbRBJpoynAVNYzdjpzJV6r8Y6kM1cOUieK41dJNUXyx58pzlLy7TmMPS9Kf6vTUi3ZQ9Wbru9hkrUoIkHU1MKAHwj7.3pb4g0VK55oAP0dATZgD0rXhlmL4aDf_1sl3WqjDIbcXXI673SVUbyXTgAPWh0_5mZiTZxpvzxGHR3UldtnXjx4QG2DhtpaONES3wRr7Tq1Ar3Eso.r7aVST2CoAakf4yfOi9DWvVWqxCEeQKENYrn_EadJEHbB.aRwKOFYf0LvcmHt7osiBmyFRGyI3CKPIiTuInlP94ajn3DB_wRRSazWN9XTXePH0UiiBG7sWhfNp7V7kmc7PhFJB8v0BOyyoScRc88q3.9nbir6qacQcn64R3DA7bTQ.kh15S0BQCLDyFYmuzLYO_Jekbhr4cikGt5177bYDKOKajx8BaStYezq9lVUM_OVxbFf7CqPkwd4JTNoMVlReRo0g7Bi1lPsPwmUSneHK7k"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f6ad384be9d46b';window._cf_chl_opt.cOgUHash = location.hash === '' && location.href.indexOf('#') !== -1 ? '#' : location.hash;window._cf_chl_opt.cOgUQuery = location.search === '' && location.href.slice(0, location.href.length - window._cf_chl_opt.cOgUHash.length).indexOf('?') !== -1 ? '?' : location.search;if (window.history && window.history.replaceState) {var ogU = location.pathname + window._cf_chl_opt.cOgUQuery + window._cf_chl_opt.cOgUHash;history.replaceState(null, null, "\/post\/2913746580?__cf_chl_rt_tk=bbOrZgdaLrnDHe9987NH2rigSBpFPeqaZlklGd3i1hA-1739133648-1.0.1.1-loaWFwtR9tXKSI0n2sEil59jMaT0HKt9c2kAozO5sMs" + window._cf_chl_opt.cOgUHash);cpo.onload = function() {history.replaceState(null, null, ogU);}}document.getElementsByTagName('head')[0].appendChild(cpo);}());</script></body></html>
Home · About · News · Docs · Terms