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-225728362822.mit-edu.top",cType: 'managed',cRay: '911054e15ba90784',cH: 'QLHl.H99wv22EwCZK8O4WH.eWVJt4Jr54fARKMq.Bj0-1739402660-1.2.1.1-ydRGwW2BVUe6yF3PK6Gnwgff470C_pI59y6Dq9S3jNbgVV8OSaqMb.V8FNrm8APx',cUPMDTk: "\/post\/0485923617?__cf_chl_tk=DNVh4XzOhWp0JWyXLww.xMzV9yhRP5RQC.YWfhqI7Gw-1739402660-1.0.1.1-TkFNXuuz1Vs4xNCQTL3RpqXaf0ilYMrhPPxOIIhUb8o",cFPWv: 'b',cITimeS: '1739402660',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/0485923617?__cf_chl_f_tk=DNVh4XzOhWp0JWyXLww.xMzV9yhRP5RQC.YWfhqI7Gw-1739402660-1.0.1.1-TkFNXuuz1Vs4xNCQTL3RpqXaf0ilYMrhPPxOIIhUb8o",md: "EuQtJ_eY8BsYpV1rJhPqPkU6rRn6DuG4SbMoiLqgtjQ-1739402660-1.2.1.1-2aBkLydn7suGXK8mmXluwRorAOh0i_x.5Nh0G8vdoU7q4taGnFSAo.8KMgZFeEYqn_IXzqdsL_.aI6KKCHrU2TKr01HAelRB.BPsaMP6NEy8u36zWT3rbHYxhZLIM5y1j51D9qkTcoMhMeEoRHAH1QSnDtC4iYsGtpedU3dG5xyrY7yDH.88BFCgSP4dSwXeoGw6p14VydWDOnHH8lN.5oy8H7MOytqF8kfz43DxeuPCyqmB38HecU.5G4UolJXrxTlAqCfu1LUOl2U81EvIGvUvDrebWtYEgIbcc6.iNvZne2SCQjD3HQ452t903DIti3_sC3Xf7j.QNi2YKlp7IoFPM30f5h.eq0huDInE9N97hhOAxL_TgDUtIJoqbY.v2P26Pdky.PKZbj1Zi6n.MtgDUPAY000IzRbw_KZ2bfa_elIK3HR8A9CkLhbG3cU6rNC5tKROZAhl5k42BbzqDG0KIXKqB1SoKfUzMXrbHVlmRr09qZ2GpYlwD_bFiTkOjuRKuFk6S3H.ZsrPpAyCwJh0SHz8OmEIMQe1P44ag1xmnfqSMNdjY6EBvKnfkorFFzoOXeudHZafvxbRzpua_b5971EnUAnd1hgmu8nWZWnY5MzckB8cXkw6pIBwgTHES4oMOGWgGHrkhEipmst3YmIfej2Jv9xy4T5LGZHpKP0LFOogQW8norMPs69MkiS3eWPRGZcx9d396XhpCbxM_l5Y3ciKaOcUczEkbLxwY6A34VBLr5Bd2rnQekCR.2sU1V_HZ4o97UYsjCTRsMqOaSIFHyU4asPTOykaD4uEC6NiGng6694RAX5ieguQJxaPIZ2TdNLErR0DoU0trNIicKH5.df4793jPPTxStSEJZu.ft33ZHe_JJZmmDkjLJXVMQt_eS0Z59yC4VDa52lLlIDeD_xoNblL8E1ycuE3OsUa7BqinbPhvbJ5E4nMDpV_zLCg4EicxtFqsWeS27u73ZfDfmIVn067GNv__OzSDa6BYKoSGC2ydX2FHKwvUDbXydNheT0J.fHZyHaK6uPNsTY893hlNIG6GxBkg5ZltIZRRI_IlYvY3hmnTkf6iU95EUvYRCEipW9pEnrl60iFf0.yFOo5cvgWw0cA2kKun1NwPXISNmBGM1wjQ1PJvl4bKKrBUP7G27ToOCulYJYIVA5glQUM5lwElUrjWCfC01LfCSBbh44aVQFefoeT2_KFANvFJW.FilOGWj6ohmJ_KiI2dxkqaFV2.cSx45SKGRVCseCVlaf2XWKEOwdyCNKCeFQ_c509jN7qxMFDuVAxdtJcYZe2GHIDbNDbhcH33kjc_OWUqJf2MfbxbrxOIh6EptMfWejoUrmgO6P.SUt9pyCbxajlzE6_bshq7ZOcbBff4RZf5aarH3Fa3yqghCjPClMFvEGVM6VK9EzbgSalOcnwkHesJJXN2UU6G2vFgIni0HMPIaXi1fHUBuLLb5dmedy82ONQcuovRGVxHw_5Btu5pL5SK2zDH8eZB_maBVq6gfYm74rbr_OIdejsLN2zgX4omS6oXzzv0pgrD4I7ix2V8Tm8HB1kpcH7LHcM81tiORADXKbr5GwzKd2yg11IEnK0xdFctORS94hGy5VM.k8MHTlayvc6kXJjR0K5e1_XCcGms41vuXSppG5WwcXg8yVsLSg_7JqnCUy0A8Oh_LO3I3emiJeMdtpyoBe6vF_rGF84BQTWHFFY4igdJ8gKagjJE3O95l7SpBSzjnceynfF.hSJOlC3XTkQLdfHX1jBY7E1bH_.vqZD3CDT95aNR7tcHBpUDnjFMSkr1ISCytmExh.uerxmZRLbp2_mmmRhL2fR4NmftLl8rf7lA_LYMxqJUz9sXNoP7A4OKAjao.UwEipIroh4gQ7Zi5pEEb31VB2rCOE5G3TEa_PfkaTQmPeSSWB3r0T.aB.UR8vxl3BBo.ozKpx3tb_0QsiPRnOWW3nzoLmC7n9MC07SPEhQqMqlKA20WkGI92lLZQ35UxO2aWoq8o61_mWaO3zxuUdLIgNMIWiSkwzHEd5pKpLlSvvZHbKama2kHNdHlkhVCaRRNTC_8AAwmx50a7Po.rDzPZVRWSA4UIQqiASNX4E.qStCAIHC2TQ6PEZk.naRdILK.rVEgArLNGiR.gyXZaLXkSd6GBnrXCYCQrTynykS4EDM2.45LS1i5y32qzJrYWylTkPtM_rZZto5PvX8KkRaCk0ow.yfNuvvr0kcf8mK",mdrd: "HpSBtKPd3NidKVUIl4PZFhLO2.rz4wVDXb5UmtVO.JY-1739402660-1.2.1.1-wXLefjmKVgSlHAFOrJyCqlWWatF4itn2Xhgpwsro1ATsqGJMetJ7_UHBKx_zjx4lPKvmDAmWI7qjMSfUFCj_yIp_G5sv0PYnO8A5oobJgbqG9w7VEwivkTsInedUYE9aWG9iOdpTbaSI6MueURqj4sXh4hjYsTKOgg3KZb2uQ42u4bVGEO46Nq3fh3xX_nd5ft2cEnhmMYQzSuVnFKstB7XpwRUMKmXuGodwCkgmRv_3hhFKHx0PrdtSGqO.wZOp_IGPnwhi8Blt7GxHKoz1iUUVxFt_zkhXa1p2NUOa7F5QsRv3F8Am6a9PiTTQ62Zahxxd7Yo4Tw49mRrpUpbDyxI.C1WixpTVAmneHnDEuPX0TL8zRt833K19_6bHBu5KfHoRFlwdiLin0mA9mlvD.ceLLa12UXWIzJkZw4Y9LK3xos34mH8.PfuWVpPMKPKFi6vjL6KHq32MN44E3EaIS.BON1Xk1dtHwW8kOetGn1joKufTM8mNeWxBGHyUIA3Qs0bb71iGUh3PgAph6fd_KgjVMtUmTOg4mDXTYKrS6VnEjmE1R2zUiOmXoi76djdrW_D16OZBDNZTKLzzmm9UGR8vXnXIdD71l3q4Yk2UjvSmY3WPHUG0lOrlDA11mGB_.fbKvUjVXzjYr60sIJngYSJJVOV4BcUqEQmf3hYC9FmSv8GJvGeUZ3DFgh.jffvDo.0Hh_DVjtqpJOX9Ecz_8ZoJVP8kEwBb_7DpLMmpjUGiwx4rU9VhWP7SCrNLvmjGwNtXIIxl7duI7bpb_jdzY8EM6Y96JNLa7Fn9NNM529dAZv0yiDCxJ2mZAwKTVL3AVy3FsGuLy4cLfzqkKDDWNY3SgELrQomRfrG8Om07UgncO6vuA6uUPByXS15CpbVL9lTS_6h8WDM9QOYRIJipBvz8kzcAsDodiLSbRXyjG6pRSS5VYGmrWED10YSlJBqU.QJzCyoZrWmEjYyYhp6s9RoLjZY6VCaYbpyC_j7sZh3yNMgVp6XlK1QlA1WlayQNEOGebpZk4RAoujNeEBBGmXFk08LfGYFoy7eNWpZyozJqqVZcWjR8hAO.8AbpOHAYIGL.aX38XczWAFrmyTBIHuL4Or_9myBP_Xsk2pr_t5oXJwnxBlNe8MjCLo6ZrattkqeCMHQEQ2rVtGWNiX591Be.ektnHXM3EOQHaGl6MTNhZhUAJMczzGjkl3EdgkNm3uvLAZtCcM6KvEwrn5E5kayK7ClLgMbvPlTbpKGr33czWjaRY8FTycplcrNRKF8TT4m9m6b3zkmXFwLYhIhCsEjQxdu2_Df2JV6sLGl6pl.ABVWnyGi.ay06.eUPuwugM.bEFGDZ0corPBJJlDYEGWk_jHoAAztcY.IQkARU2MvrB1pS8yLNnahHjO8Rv8fvN7c059D3tCLOrLRTtuEOSY5KNTCNGfO6QORdLr6a1PUUOoRiwXzNhOfhFYyQn7upyaHDIxMsCtJt4_AtAG9EVY70I61kLYORqGEUvjyX2l1l_B8nNf5A5_Xn_OWKnNTBGLh9MaY8TCRa6gsMpUcQlelOeS8LN2QyzYTweftRjj5mHxGSQz_.vHB8HSYoqQ4ymepr01C.mcdE2Vg6UqUf9NDSjgF2Q6FgmVeK62ItTMjeMmjc_6zb2uGWRt_04tS1eEMs0HWddtTjmUY9Oj_nOQlHABir9a1DNbfLq0t1Rdsp9NDXVu44GM9Bxif5ts0KG.tAuwnpWjTz8.KNJxFsivQXBNoPh5vqMIKfbVbge8VxnUUiRuqn8vrTlRijGept5vKyp9L14qwv8aXrQbOwajEdKa.VtwfpNJdyxyT_zGA"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=911054e15ba90784';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\/0485923617?__cf_chl_rt_tk=DNVh4XzOhWp0JWyXLww.xMzV9yhRP5RQC.YWfhqI7Gw-1739402660-1.0.1.1-TkFNXuuz1Vs4xNCQTL3RpqXaf0ilYMrhPPxOIIhUb8o" + 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