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-599849791414.mit-edu.top",cType: 'managed',cRay: '911053ffeba4d6df',cH: 'Xd39eaGXx8YCnYGPH3muVhBi3iAXzsFBOoxNyVfKcuU-1739402623-1.2.1.1-CRF40NOEfc2C0FNSC.LK1i.H1um_YcPyPJgVnB6pZs.H6M1tWsx06lvl.R8BDOLO',cUPMDTk: "\/post\/5306189427?__cf_chl_tk=3CiHnuQLThRfTO.b_xV7GWbuAmhg9tsvecvIzAl.TWA-1739402623-1.0.1.1-McuHXyxdqErb1Z5XjuKO0eiL9wUDJVTjTVA1gniRoEQ",cFPWv: 'b',cITimeS: '1739402623',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/5306189427?__cf_chl_f_tk=3CiHnuQLThRfTO.b_xV7GWbuAmhg9tsvecvIzAl.TWA-1739402623-1.0.1.1-McuHXyxdqErb1Z5XjuKO0eiL9wUDJVTjTVA1gniRoEQ",md: "FKYvFoI6_YgCpmqe2wbgCJUN0l12f0V6tO3Q0Q_sStU-1739402623-1.2.1.1-Glx9jUMSa5N.ytd0Ojg.N7LQ1TZVDkNJtX.Oto53YAgNT5hAYuTjMOo29nAGAfmTIN3GdQo9lwHcVL8QoGvg8ga9IEyjNDMZFYKwDjMkiSlYhRNsblgO7nVVX_XesU5hsi3UfhBTLTNmQlPAflzLozHqH1pTG94TpZYqaXo2R_WQeuksmvKyw_g2Yug5CbIHL8z18x.trOoxqTrt7mcbAqyNc76qOZo1cqiBGqf308B3.ptLDe9qVWOw35cbcWy9fRPG6STKPlQ7nD5asoHwtvuSFo4.FaPSaGmXXyugMh1PI1D3_OorJq9dAGmdA5AajkqXftJ4DvUxUl4.DkvCf3IZcUoCxa.8U7RzLTdeOTyl9TAeOkHFmN91tMD35yj1avJXNAbRfFSRX6aWSdDM5k3THaGLMd2joELKDXACqhBbuW4i6cl_kAJ6oBsiIzyW_kRl_a7qHLNw4q7MtQh8NRi2p.6EY71i0_YY3CCCgj1kngZTttmcrcPjYe2zp98ztSRyjPvPX_9tpvuPQ2.UXw.vPTgkEH5sSluK8olvBIfEmXO1_IPuyxabEsd699UqNQXBlrEL4gKgCo_1fCW2IqIJerjfP0IB39KUWEIsEodX7DasbIaoQ1cxTGhjUTPhOmch8qUCbX1bnCHdjxISjPGFENhKJxTxHnUQLL97Bjfl6jbTImqh6a8r8PwH01xO112d7kqRN_TrQ.m7FAD5_RnaZEGHIn6jp9SvprwGivdLi.nYrWu1PwJFHrCLCKvOtDRJB.U.ShqegOgr9iURpIoET6w.XGGUon4OOb1ox9tszuMVWCzMK.eAqnx0mar0x3bVNBCStvJBktIsXr8kk5uJVPTDtmhSrh7MwwSnxrvXhoTErtiAWMvf9yQqThgajEFQu32j4L7fSEN9hJQLJkY_1S4scV0XYel1h8AWnMB8diOp7Z2B7adg1G2okSuQkWLlbBYG8T7wSFbSg4ccHrWRxHizkpFBrMBbl4H44I6odEQWemV9_o0PEn0WMgS.t5S89wqko6BzCzmpMGZQeOH41f4mnM7bOrDPQpgpkjgxYia5AurTBsdvhGAE3utFDJ8w1gwIUpTLLguZws9s_2a8S_2OIQJ54mYrEGCPK9nqmg2tm9QiRvt6PuT7Z2iRpgPG2M41Tq2UEKgRjTMymUBP4swr72DHNuNzEGZCcNAxtcbdQmknmRgehr4LbQYnZF3vuMAVY_WgUwh1iQ9RsnXxPVXWsBzrgHShiNL0rNLtt6st2qyZ821OOQ5OVbJndx8i_Tgr6ySDvBj7mubaVxhMmMmEUC_UAiQGykRSSps3NrefdpHNa_841Muob.QDg3rp.GKB02CysUo9k19Epj25am4ACGACVtvxTGG_Wxj5Xq6qsU4ljCGpYR_GCXSRd6rgK6dfDwDqm5ZveKsnbHR_yXWY3T3QxJZYgcVSqjsJbbyGK9HZDOiu4qYDdDKE44veYmYR.JG3_zBKxGhEjhXHO1GNqLJhzg8fG7.q6DlvJJ2uriImoXYP1ogXGyPeJapfFVILHISOeI2ACbdoySM3uKo1n3yB8X_bEkwgqdiuH63buwQfyZdI61TjmRQdmum_Fd_fFsPyRBDCAbttbQnAx28_2qd1bQAjj9coxXqs4bWEmcJUjEI5tEYrfTl3OzS3bD2Bi0JDiIibBPp3L3Pdi10lM406wOYnNKSmkWleYcRNdnYqLN5SGDxSo452DcBaXLHkSwtMHTZFgmrkjYRdL8iFGIKwXqQ13z_p4JvARDAz75FrTyEBc4.6YvWW2wZ87SqJiPbt1GcwxFTQNn26LJ.Zm0L0dDKiR9ZBE8weM7Pg0At3Ue2zLC8XSh7pDfAtTi8sbNlr.ehOnsXJvZarpj38jPW2O48D4qYA4HW92DVnnWeXmsrDBpysWS3F17ttiPDqX4gTGtCZ6J4b7a_JG1KLC8d__P0J09O9HYw4QGKZO1UbtIIcocqWkuGz1IecuuECuJXScciesAfLMS_dXWVETHRb8f5mD2AD4LBS1XhJWjntm4AdzU4frL5TPG2JJdaQEW7LI0jI40Q39iGuuFeMsrUxqSEQS2X45W3uLddN4F21Iw676oZpgyNMvXfzpxLCTGZ8xCL6SbiIpNq5zUQjc19qh0AC7Om9.t.zE_dwBYbzBu30lBxXBDO7I4IDx1RXKE01V9Vy3oB.2k4HaJk0W5YaubNVpN5JIwbE0bKybaOpF0izPJQcfzN4",mdrd: "8y8i8qNKnYc0V3L6BLZtdfieK1jOLlRD.S_0xLgbsNM-1739402623-1.2.1.1-6yMemiQrdjKNvnaU8YmEh4tkWnwPe1AeHx7KYFUsHeiy5x.c68xYFCEy3Vm90t5weOcKl8o7bmYcrFYJ.dJBe3L52YT2PnMBUR8sXxjLNRNNsaRg7r4xpEUm3G1RbMZbUSGg.72khISjt0rOg7zNm9xd8MC1yhJ.QrzIAS8KNqvXbus1u5cEUNIFy1aYyxyqpYSpAXpu1nouuGeVMIyugxFMZmiShF8z4aLz.jh_WyX5aDiz58kFQQLMUlTMu63XrpRAT9UdP6azDdt6kLNfynJZ3bpPzudCtbhPFZr2WjXVs67NQBiRaCP087OrIUMudDz5m2sx5X1Z84IKWNUb_z4qsdpljyCVTfADmM33cAjTpvhq6fjM7eaHOUpuNqghgt_dux4H2Yvq9Qj.E0LuPhfi9iN4brhjifGkyUdU6fx8szKK.nMGd09ezvJjYzrchI0EusT9G_ngCNSLf5wFO4od1E4w3lpcYq_ilbQpd5Cf.BPigpF4og3dQl.4N2LM0z86RX3otpSM78K81msla6iT0TtZ9LiWPlivVjH6XBxtOC67zG61bL.ovFmevtozfVabPdL9FtNfIBH.HbPsjoBtCx_taXIkKDuc24KURBxOSilovfMGw2q70yL2eBJxffMPXmiE2zRtbVOD0.uZ8hSFSbPlQJp4aJEBGUxxkEH6QtgSlY07vOhKmE4rq0EOeWX79JqxTT8.W9joZiqASjQ124bKaZblzUtsKtMiW.7B4pRIWsnjIn3CMAJLrBBT1BCBkNrAONqgM6o0amaXeRezxnwbcgpKyvH7KhbM134og5w5roBpnWS_LWlgjPfE.E29OjHM8dJDP2v6BNgAdiyUldKdoDaAmJLtfq0hrfTXBp8kyY4dWJoC8CAQt2XMX4aNpjwYKNNlDYvdnlTIgUc9PZmlV8L_pI80gA5xwilwnLUP9CKmf_T15yhMfV3v6g2vT65gaKvbqa8qutpstBFf6e3NCizWKELeFA5E45I5qz1YXycQZ3PR0tUpFqV83PiNSop9tZxmtVF600ZAGyo0.atNEE8Es1DRyKLNMArYMMEWPOppbNJM_Icn_bc4Nb3Y7KO_tQsq0wS0s6luEYUrKucP7dYUJz1fKpCLgxpuSW0na7aSzbYWloVx3blq8.bvMFuO.NJPso5NqfBZfc2YQl72e8W39008a_aKpQvKDGbpFQSi.ZL2LofqVNbknFteMW_aagsbvcqyKqk9KAPySAjzjEhAIqnNQ5WlgIE8YvYjmMJ1CA1TpymZslMRf7XjohomIQoKDBgt_r4rtMPgv5TG2r7_9KmoIstLKKEoQutsbpFfijFpbTCB.nvMiRVa8Kn3Et7aoS4pZqdV6.Aff13EoG2vyTX89V4GtrGZWX3Fd_2fSzdA2uEJfVoYbASGrazFidDh6BQXg4SBasnptXMuOtMP_44LHNKMhVb.F6DXjaR8jHsVmfhVs.2kG8d83ZfQC_xiPC9cNTcaK2ixwQLNneMLtE2oZuqMEJsKPaGGJVHSgkhHrfix9KtTpLYutA8s.gofOk6cFUrUBLUZ8qkWLZfY_kxa2Ct_KGQEVmroB8squrSOGv6Z_iCTnbsNpCr6JLky9X66YNvjnFP9qRh2VIxTpzIDl9GVnIiQOOjhAAZggB9baCZn47KF48Up.uZ4B6fR3ADAQB1_hzsGtj4JO_ZZrUTDiGxlevgAr0dlxftLxWneWiRZMjpKfqwqPCjhZSx3U_NS49ajgSBu9olBYUxMKtGCOC9.XqM9TWxeh1S04qG1Nn_Ux5Zimxu.aD2xGYNUXdcMKE0ZUXrEMwszLV408nBscc.d_p0"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=911053ffeba4d6df';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\/5306189427?__cf_chl_rt_tk=3CiHnuQLThRfTO.b_xV7GWbuAmhg9tsvecvIzAl.TWA-1739402623-1.0.1.1-McuHXyxdqErb1Z5XjuKO0eiL9wUDJVTjTVA1gniRoEQ" + 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