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-387804290360.mit-edu.top",cType: 'managed',cRay: '911004bece25c95a',cH: '_L2kkF.UVyayg4QVA9EOd6c90PySeuWSCXBXyE_kiP0-1739399377-1.2.1.1-ygjH106m3q_zX0_kax9aMLEaaYWKifutfnqfR1uxuqTo4qByjW6fgmvO0tycY9l0',cUPMDTk: "\/post\/3276985014?__cf_chl_tk=WT_puMWCn4cBSPHCQUhwoa46uq4X_e7GbLRlJfIx2vA-1739399377-1.0.1.1-4w_8x2x0s4t_L6ZZNTq7Tu..Nm47gh7O7ySiYj2ZZGY",cFPWv: 'b',cITimeS: '1739399377',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/3276985014?__cf_chl_f_tk=WT_puMWCn4cBSPHCQUhwoa46uq4X_e7GbLRlJfIx2vA-1739399377-1.0.1.1-4w_8x2x0s4t_L6ZZNTq7Tu..Nm47gh7O7ySiYj2ZZGY",md: "72JM2YfvHqDdsl3tFiWYQU.XfkXM7BHKj7vWZ.ouAok-1739399377-1.2.1.1-.wkrQ_csMQa1EwXg2qHkX1Gb7n0BeRBh7lrCXmAf22yJk_SnSX5iufV1qeiAtBSGi2CvYVppn9vGUljU0sfrdUisiZmPNYBvCiFC80VheM2THgkHdIQ1aU.uRWlcBThavnHwT1N7d._A3dhWqLq1G59WAJ2XQMJ0zrec6grmzME.mAsFHJ2HuHOMPZEmcVJqIE.zRp9692b53onX9KPKaKp2tynFlL1150QKoBx7pn5sHRM4f6PAKhOK.nAxhpcwQOb2irm07gGiMGBGlfwW5dMIKjJsGA.1jIHNvnTLV3gKOxqQ32WHEygapXOwg75tW3H6fz.vREjoFGSQxBJZF47TyhKijG5Nj.qW5w8BqHPmcf3J9lyFhGDD166EH8FPSZJG2CxABOc0DB1QJQbcEdOGZNnnh8wXzgfojxEyOAXbcy2sOA2qvPHPgaNT35ndhM8R0.MXKj3HS_oLQXdbQ3H1SJzUACBUZvD9mSRbOXrJzToMh9d3NQ9MffUt1bSzkS7e2d0.Ycd0aEc8gCLgxh1ehLna8wpjq96JKmw9L9KFB63cyT_RH4D1TxGffXNcHon0sPuSeFi9vwV6ZQI.Te0_SUZc9R8iumXoHAINMLC.5PSxDWo08RHgbCx3agiL.iLSeh_DQ8Rvd6oynD2rvuSCVesD3X6PBiC3pq9hNdnYKjpD.L4HLzqJ9ZDU5DLKA._lnBAWL15kFt8Lsa3AVTuX1a6Y6.6uHWeUWofqIWU6GXwOsqJmj2JH4F8I0OwUqhd2Pt_I_numUDyhTR0R8q_icu.ED.4_Aw2EHtBm6uDteGzG1P9qh4vkUTz.HSIlSVACqWJPMPkVwsF8GoJkOHwCvhTfL0rB0s7w_ebHCa_0ymAiuDfJBOasM4oBhGwSW8wdg8zt03P59x0iSYfS234PJ0g.yC0GqHycE3_0ST88RLEUVMdDKc4p3ZFiDrbTuqJzOn.GnnDzUaiuNXt8rSewQd07cXRgSeReEJK8Zq3q6Sdfb6M1I8kT2Tf7epsrbzyGiQCEO9rOT0p.OutU85UYWsd14J2VNP74JGQTATZ.bfucM47iyFAE3fENpP4rlnIChede0lIAt2yNlgR89bamVkl_pHbMhMAVF6kH.0cSn.r2DvoxBmx4pNMZxo.aI0eWT6NncKJc0JnYrPn90J_TDniBo_KGFCX3QI.O5XNA6OfWoKYTfWiw.D6D6xE1MbX.HbZfPVSF6hkzUzmbVKr4VUTPnTLkd7.AF7QFcE.bwMhWeQvTkRSTS8Nw6ShHH_X1IZdZFd_zZZMQa.iTKdvkgllfmEpOYlbpF3tLfkvsN3IK_Zdaeu2ePLBQyhPSzoPPhTXMLNaaEOxnqRl1A.ugc2fZQw.f96AAhV.azH0YaQ9sPCV57m3OvnxpWrRRELejXyUJ0RRJPsV6S2kpTmTHRjnIsttfcDsP8.grAyItfx5oNDOCgilv0xX4gvybUWse8Tu1ch1YTR0ggFXYn._ssINivCiy4pl2fidhCeSSFI15J0v0VMGFhw2C8ssNEgIhUBzMtk5KAiX5SkrPTNaysLmzVq1qodSZLxdcrb4KfCBiLuC9ptwWf.cSVPahKX74iYt2sHhCXtNWXN8ABc0jNOj_XqzIqYVrTzOLcpguT2AIpIfFPKukD8seL8ek4ftyl6CJeyBEk1Gz3yRe9af3tRhScVoYo15_qQEkwOyWncqJPlkn0bHLG5wKargX6j5vg.Yi30Ze19nthQFSsXX8H7xC362YHxKJ1XBAfX0xak4BTJGtGn7c8I9qCULaTlt.NsEDFsbUKiCayhFuN5Dbcc2sCsDX9yeZtRAsoQ.dyOe8IMUFqZC48yHHBBDYVMafiiAZHVtlshueh_QStAILFvOvRb8i_J5zYlY1RsYwd3Qwo7bBFQUSvYGMtbVauLyln9f_mH44_sOtqD6WJ27KhygkJP_IYi4USm1zIoWuL2qknf.zOgNNt.sxWaScFtj5LYC9W0O1YwLNuqn8gXqJMtVbhwq0ETvQeKu8K85r.FkLIfDT3wxINlgpRy0VEjtsjPOA2nn7GoN4RhXhSEVQheXes_Sk_1sIBqDAi2f0QHuz.gbihbndiJHtnd0ETC9zvJH6qko8MrDIJkQ_QSUOGKDa6BZ2iWylAWW3uIOcCC7yyjr4myl6A8KFA2Ty66BRLwC5KIgDMaCRhHkLZi4d2sFUQ_6Vubf4h4iQQDrsA.y5.NBbCZNvMRMMO9Er",mdrd: "xiO8JzA8FJvST_c5wGbrRjEuEBW1mgw5YLRVsqu93h0-1739399377-1.2.1.1-3fQIUjh8CEoW1K76jTT6KDy3AUZyvpO6MVutKH1ZTFV0zkFuwIlAnIQ7aPVha0WsQHHKfVH3pXtHUlCxfFQKg.U2H0jJ_CiR2zLtscEvyg40CVKnvGGiNS6kCOCdBUX2IYYnTRmrkZpayQFEN9zoxnN0gSM64Y1EHtWhhdzOpiVjKxmKxU2WL3a88gxcH.d8vXoP67LCMpA_MQqnoQJy3gYELWiK2jSYeEehAGkbBBuAWIuVZLYUkJxDWUowjOPpR1NGF.vo.iGO5.A2JyAeqdr9z218HYZuRaFx45paTCEu_8dmMB64ovWb3OCDJ5uFrbFXDHOfvAZtSdPbHl1c3hssQx6vQWnz4pg.ZjytaSFrzqSrvNjIWKI_LySUZlD2TjVULLQMPh2iH7BUk75sqIWQrURknpPUDsZp8go6wllMUqj4k5PPWKcT8n21vxri1kJR88tVFgwoO.4SO39ylDJni2Wxw_wDYdsLENLiTcmElOvKjNwq.3zDjhq2XOyqberlEGtOWiNrnrPyn.700KQNTCQNYNQI30e6cED5DF_qyQw34H7ab_WFgP.NDzQYmfg68hAsaTCBKtw34ilTQPKgfiD5987cI7SXMxmwjCJnu1TtMMjxZnJleji4.VXvJTqXqDOwswpR3_RPtiUQURjvejIZbUIZReq_ZsWFPp6UnCD69VDvQJQGP5vcs2XYSF.yQqMn91WP3y9UmpqzgvkWdAXn.c8CNKj4rC_gxB82tZdZIyukc633KnbDDGgzdKQ3JuKF8V7MzYGWoQhzB6aspKWx684VEItHwUkGGDRwAF8tjtDbad1H2YAPCDStWQUL3yGU4Dwy64nyEU_1JMxgSMIuW7czModOVzWo.RBMuGoXe8MDgDW_ttnEHS0eq4.BNX2CJdo7Q2XjubUc49rb9Oj2K1s93use74t2R2fKGsSoqK4rolpfLcaDkgNxV4UTCCQsxSYI2Em56rIAhdtmjYpZTfzZLP5q2hLKwSPDo84QP5rtkJZPDxTwJURg1PTs0MmB7QdXsDBBWUqYMe2zxMm0jaOjaNCN2.bLiSpxV0q.x2x0Lp.5DhYNqMXAFS7x.iaCNSVZ_OGkpGEzznSk4td9GK1T.TE3ecFSbRzXX9W5CwNAOGLBB8grhfqyVVvOC8VsTy5l9FqBvUdtttv3hz79FGJugwshdQD6n1VdjJa96sX4mwLcIPzp3ng3XHZkn2YTGKIvHiueoqjkdUdHADz02uwNyU2QztErAB2COerz0V97T83AZGZpZtm.j1hP8bxk0vMsRQk13TUp_kp4a9gt_4vpwUo08SBoyKPW4Ok_F.GbidvphmQmhr6Gl9h4zqnLAR84q6P8fc.TYjielBJQw0BvmufHMz5OIJZjUIW0crylj0Eq8Vb9UMzNLMZKlySorB9N8l8H__kJUzwB1uIRX0Gj7UcbmkS0Xw6GD7IA61YNO2UY8otQyFO.NyS4g6oKQZo7TgN9uj9Sk4wng3OTdtzVBahk3swz0CoMO_sZJJW44sF9S6VyroLfqRfu.fOWlsYxuJk9YRk9m1uQ66G0IEXDNLyxA5L9uNEx85XmIAU.f_DaQfP1dIY1lSspbikmIRXBDnWUPhqUdTWshhN4FpeMhIpRexxhDM8d39KTu_2XhStz3J92ewkVFOjxizL65do06TrRxn2JSmDuYYCVxD0st6Ov1bj8bwhhEdsFI7gPuAJ19JwaEr10zRNA20y4LWrLXXX9g934OfobTun2Xis_gBxqOlQHuYU4eo7MDxjDUzzwFwSwQnYWFaSIzHLPfP31bVzYyckrwASdZ3B6.1Lrr9jT_FP046M"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=911004bece25c95a';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\/3276985014?__cf_chl_rt_tk=WT_puMWCn4cBSPHCQUhwoa46uq4X_e7GbLRlJfIx2vA-1739399377-1.0.1.1-4w_8x2x0s4t_L6ZZNTq7Tu..Nm47gh7O7ySiYj2ZZGY" + 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