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-365043020694.mit-edu.top",cType: 'managed',cRay: '91104d52da75206a',cH: 'IXqsAWYcumcYt5cm14WCRGnp_XKHRLP3SX9xNvcL7fQ-1739402350-1.2.1.1-2yjSP7NEtsG3L4BoR5AK1oRYVpCUnT.ScX0D9UP9qfalvXc4K5hIQUQ0e9.jFEiX',cUPMDTk: "\/post\/3425970861?__cf_chl_tk=8lvJX08zNnb3kuFdT1QlkBVuF4ocQV80li6qawDHC.c-1739402350-1.0.1.1-._I0YKXpbtT1_4Vh3SF0BvrvxhxkunqD9nrn.SWFP5w",cFPWv: 'b',cITimeS: '1739402350',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/3425970861?__cf_chl_f_tk=8lvJX08zNnb3kuFdT1QlkBVuF4ocQV80li6qawDHC.c-1739402350-1.0.1.1-._I0YKXpbtT1_4Vh3SF0BvrvxhxkunqD9nrn.SWFP5w",md: "c5s9dsOkKclm_K.Ogn8Ryaiv.jGHTg0O7fRbvakCj48-1739402350-1.2.1.1-.nVriw4pc2oBziCgXPO78M7uwwBZ5pA8dl2V1jA04gUX9yYzNRThNr6OZ5ALFPar8lt4l2Xz_rwyZetqc.3oOZDwRKAUqkdgRyrCSU4C3RI1gxGsRxSmhOTB7K00UYvO2He62gP0w5Ss3SH887STHJALK0mTYGDt6DhjIpk._ymYB_M_gAiYtQ_kx.Womf7wfzzBI60f0nkXpzPPlcWhAD5ipLSCz83woothR4tJJzWsDw_o4nPuDGBE28U_c9WZFMrucijTb0vbU_Acmtj1YAqBaJNXKwhX5mEY2vA.plByCjxN0O_bkOPKwOir.CNQtyc3IpMTTbUqjPa09vT3zDmHO3I1RuoiM8jeoMUp9j9l._QTCEzUmsga.5aCI3TYinb_DfupEaYvp1rHrjWaEB6sl2SA568qkyG1HXIVB0_bjgbwUq_iVK9UlMH8WMIKZMp1vAiIPCSn8h3Vd7jVYGsjlHk9K6s2hkCUpgKMsasCPb_IsraLUCFI_VUNbuYiOVjj7LeFCoeQxbxdpoSVzZim_XT6gFy0xU5mTQktwpHqZqPqcdD2yQ8G_P806UNborUgC8n_iykiWj8MaBF4X6yXdACvE41ZsM3wHeKoezNfDP0.Jlr.MfbbYVqtzbH1Z1Y77a0nNTOYpwDEWNoAPzmVQTAeigywIV18LRZbHFhb8qKAeLUAhQVzmqKG6Mj40v4K.3pdZNPgY57q4kHGD.DVGYUEnit0ivsfAvwKgYywXnSgmZU6mY9crD1YtrpporvR0t8TdvZukalim7mS9.QXkXYNlAA39qoAz_yosgqH.IOXWVgzSc7Gh.h6C9GjdqONvoS__TGN4WJHzI4sxuCScjhX8EqbidS3ZbeyZ.xerzZGafyO92Q79FX3A3cx04cTcM7TsTU6BPo.1J0QFwoVs7aWRa0aKYExarHkjcgNMtb3r61J4LtPBax9gdOpjzjb1wBSND7EEIJeF15bcafSM282IUzjc49IBfxYUxY66THk5sBnwoQnsJLgM_PHWvDr6ru1FEhf6N.viDy7nuYVo68MNbqh9eXBThFssG_YCf._PgT..6rBldJQowo60jeEajxFhEP4ZbANtueEOx4Mh6l1KA3N0.hq_fcslItGju6rvUH.5Q9abQCr4DO6WcqSwPIsEKBSh7OGzW75TCh3xdzJTUHEVC9GdkWIW9rmWcx.mJ53Q5lypB9OuGmegfzRYxymNZVYoZjinEwwbfuiinINxTEXYrnS6nbkaF41Ui0_eBRg22YPQ73hrRvv1ZHjLv_efHw8OZCcPJ_DSL_leZTGiTSegx2jNCMPCLPEBupLVkfz9KunVfOI0ecQwwfKgSITt1xkRo479c17wJiSX4xiHJIci9LGbjQlHUp56dz.hMT3ajDu__W_EROcXmIfqRS45AIIfUIQRv.Z6g46Cupqlm9tKD8dUVv756NiPO8aMSmBgjfVegf4fUsslhI5wiSXYZRdwoUAKwY_.y.HTnN_lv2bcFYK72GUMgYJGc6axXGLLMpdShJsDHS_bKJUMJ9767x2qpKl_2giSXiNli.ywVatjwzEtrhvq93QlAP09I.U2rkcFiL7F8Pv_tIEQJaMaESYfZGsIedhCiAw.8yQRtj7yTvm3PFniJ2HgZ_yFhd3LDhVmq0o4_YxdFbUHJhs7DveJt_ZqHmx3HsxsLKO4r_EXnjPP806bdwoDHVSem2UOzZrbh1Tvq_tAYjhSP8p5utoJ0pbfabDUBn7GmjXOAye9wONUsPK4wPrhttuSSjcj98JFYIye1cokA04f4Inmw0623O.GcJUWP8s8xBc7C6XQGYU3.rsE.FoyppV9HoBIeJD0HMAeilAWOmWC6V7EwJGElJpeUi8VCAlHv7ZIOxDYHOLH3J8aJAJoDhgTneKvGd85JR5SBB5Ywghc2xzmztp3ycnBfkoMtw2mNdJqPPogYE4hp2vybeV7UTxbW2InU.j15V.OytmMYlY2amEtUeyYtRy_ptFQO2oyA5H_xx_OtJCLiQTh5dmyrm_lgRZOaRmCnH72Y6IS3ZXOfNrx.b8ATbgNcWf42kbeychoRu_D3QLhs9NAo9SHzl57Qi4WB1irW1Hjle6EHs8Eno1dkiPotZk37uh0DfTSkn.a22Z40hZ6oCV6Gd5a5RDNm7zjaD5K4K1XFYZXBf7A0pSyCGMBJbWzXfEWG2J_3HLCWjlks5OiNTlsLRetr7UMAP_4.h3G9PXQQdu",mdrd: "lsobEzd6w8zf_mI7tA5.Q5ZIGsbJnyovOjRL4PFB2Qk-1739402350-1.2.1.1-f3e.gRmB9v9aX8cUICRrTMQvhGsF78SUaCV9I86x7PpxVAufGpvROSzcld8lzstqG4KlCbs1MjUzESmS66sOeGkmVx.0svzTfSFYaG6.u7UMcRtnUaR4NO2jmusUp7CDWQ1J_JJuqKsjnWISJ_Kle0UeMuUkJbbj9rSNtSMOobwF8rurzb7K_zhVQe2XrOI29YPmhWjcrfwvOAoOrmbZrmTHNQyitG_huuf.6wohYG6LJD0.jdaj6uxxYHpfQDQYeDOCC..tuLgruB2UNPLMlGCBRoGdFt9VXfzmTDsnFAd25UYi7Sn.JLvjR2ep6X0Ze0bltj9MzYL1ZJM7Fejxl2ZtYEyM4PktFg7i0EwNl65CD6pKTnX71jEUzzaNzlWDJAFcSVDrOrhx7LnN5sEG_FwA7rGaBhn_pxp2VmAwjr8wMmfFcrzXefY4WeFS3WlGL.ivdlmYQIqcAxEKaX0RVEQJ9Q4Hq1GJaYzreBok4GoQm4Ka8_DJ.a_tMlM5S1RKHMYo8BwNv2UrF5B1.LshDyQkzsuyXMOUa.L60WacSpAPeMXtyM8vHI7qvqpySO6H4ByuhCw72CKFwpYWzyKQ2Iq3LVg3fN9bYoVlI57Ju52iRruRWdnAMRn7oEdS7qQiMtesB7jMwdvxy2s1BvEI8CVlfBT7R42v64M78NNOZHMnURKqUco50gkYloa9FKERXIX5msWeWD.pXWVHWznr5u1OB.KsIfCoYJdfhpU6eg9WtIeZiMc8PdQgsofVtDzUEcpePv0pM4hpLo0pBT85xX2oMH0KxdGeEBuDh4ClwhM9ZDTbybrLCg6gJK6AzN7ZfoCGxOIsUv6uUoUJZFgFQV.k2Qy5hgbGWfmCpdoqhq0.1DBb0DT3l3n8jxZUPEdTYpzkL.XyBixXuLyIcn8YNp7PaFT8cfDjbVO7v_gEMtaTX4aqpmXSYNO.8IEAoQOUX0KogKJGWKV5bpCQcS1hmqynJyQ8aLrBTFnLRkHmKe1E2JQsSbik2Qux7kNgo_RstZ05SVh8heIgRErSA3.PNoeEE4efB7L8rR2UJUJC6VljEaztq2XWBSpp.kEvsDzMXweL2G8EN_MeoXHPpR_1Bam1EvUatl88KkC0w5UzJNXotamYz6DHMUH0w8dmXQmHXgliUXe68uDrA4UHfQhZDpnxbC4vOW55va23526efymrzn.BgHRXjBlHCxkw9eH6nk.0TCFa2sEjrZN9JayQ9LxuOWr_.ZE3l4ABvKFGoS981UNtMw1hlVgMk5KA8uZ_cv7IzAvfKKqYn.khnLKrhAPejsxkwa94jp7PSxrLGW0bdsNP138qmn.zKf6Z1vSz.ZDGWTm5giZcNw4B5irskQR.F4ACfkqVxv_eYkqoUod9bbn6ArxPCLd0XxmsroCAzC5Aw6qTS2eh117_8BcJXT265SK244BpBP3uk8Nj_IAfRvWKRrdVcHPPJZafejfuNQRFR.d_Gqj6zQ1.TeFvyneaVc_FhCDVExMrNUlB.iuIqNF8iFpr.zEgN7GaraMaAsJ7jJMNFKtjEh0hwADSzbzGYWDRRQu8QUhBNzpMKcxOxAcnxEQyLYIHWN3P7KqNo4pySH8d2J9DW80JJVqDPEdUEjWrgXKEVMrqRLNtVEksitZQSvwu_jrAc4RK6YWRkUv_mIQ55Y4gUCif9d7QZOgDgtag3UkliMBrjZhXc_XbFN82ExLY8GEVX0CgaIRIeL4xsZQUbDoVi_pzfd.ZRy48djoqYlKs18FdiKP_DDkyeJfpE07k3jrNKMSpvIWO4UeCQrxJv9utwgzeAMMRDLYHtbvzqyQ6P8JO4SLJ7Q8"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=91104d52da75206a';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\/3425970861?__cf_chl_rt_tk=8lvJX08zNnb3kuFdT1QlkBVuF4ocQV80li6qawDHC.c-1739402350-1.0.1.1-._I0YKXpbtT1_4Vh3SF0BvrvxhxkunqD9nrn.SWFP5w" + 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