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-037032955920.mit-edu.top",cType: 'managed',cRay: '90f66a75fb8b2076',cH: 'oMRRnSE6z.a7iGPHe2LftJvuTbUGNSgr2TYfhfcFnQ4-1739130914-1.2.1.1-gVdTufgUEJ9Gepyxz5pkskX298.9mDFW0cIEBvCMp71QYFDWSjIc6n8qOxt38CzX',cUPMDTk: "\/post\/6752134980?__cf_chl_tk=qoDB6aianACPdggGN_Pxrv7NMP2JmhwBTNuuX1BLVaE-1739130914-1.0.1.1-roV5Rb_xnTp6PmBU.SRR7LzeNFucYwFkUCmNf8cQRpM",cFPWv: 'g',cITimeS: '1739130914',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/6752134980?__cf_chl_f_tk=qoDB6aianACPdggGN_Pxrv7NMP2JmhwBTNuuX1BLVaE-1739130914-1.0.1.1-roV5Rb_xnTp6PmBU.SRR7LzeNFucYwFkUCmNf8cQRpM",md: "yVKQ8DVGkSFmMVBSLemYgjwJc88420_FRZkb7UU6GCQ-1739130914-1.2.1.1-_93u4JDtGaM4X4d7N3.G9WBUa7jy15Lv5qMQfvoKOFAnKITBXUE0ZmxfZpaqMQfGmhHWHu3xvW6uwt78uSDLllb8jcryWykTrX44u.kTTFs5q0JnW120TJZtWRvCWmcJ3KNhdFXx38YRCqU6lp0o32SgtWKIJwwyL5NYkjRamZFUMFPI5NGHLzATZjQsgliQhqeHxr_E88z7gYL2xTEJ8M9WSyQAkOZGz4Nx197KNPrZz7BClJr9CwovjmAqxzWTNUlM5fdz.q6IEP5fVaRylUBmJ8r7Cbc7Uyz6xbiyO8ewWkdHmbj55qpFP1E9zrnr0bfgQiPueaXvhNAudzhCHBOkyId3quL8YC8sPZhKVgW7VxrLFMbF9UE4uSl6Kkhqg2y4O55bx0r2hW_U5X5xlNHZzhkJWOTbJxgpS.A71fAdwWNoXcD_CQflyiDkRzgKMqrjiLoqZJk4l2uH.1KHNHLzHioG2ma7CZzpLodTAaSKaeTx9RxYZLgsbgEteQXVujzTNUeVxjPd90q69HeR40Xf7SCGoV7mHkRuT_Evg.Kww8iaN1s3Tza4aK8xEH9EW2tes_y6OMHtE5RtAJTn_qG2SNtzDH9LYkz.3TGNFR3OWmIRKRzKIk1qmlnMTcGcjV1Dx3cHPuWfA7BMm9_dG6cviEeRR9AxpHzlrrGLVnzdge1oJWRhSXfGLmltyUKU6DZbjw.nO3rqFkTPsLOfGAgenkkTXKF87xzzfyN82_YI3rWHyf54QM8CjxkHU9ZXIxGGmTcPJrTx_hvt1D3Xzs6GBCQ7QZ26GhoQWoVrIbPYjPlzjabl8fzje54JlLwXMyo4HMFZ5zCe0eNPUkIPdlmgpx5RAGfB1luq71KCK4QkmyKS72VIYTSf3hyU1m8H_rx8vHya7PDyDIQ2MEBu7i4NaqzxR5KjowejqfcAlfcI97g_8sZRE7.KKGaK6AdrR8dO_QdUZN7lOxyxE3DrCo8wxSTs4oJNnkgKrces.lvqmkGqms4iVnphA_CSW2TN90e6yRGaaFg4KOHFFA2OgN6yxOiO6mbT9ngozeC.c6gMoS2nwEBmWOLz2byGhbhE8pBrNN4KKsm6t7hsncJhDPxzwy5w7bg0mdfrQxDTsHTPBJEbPbG_XiP1X2IO6w81tVXEoypDKDWI6iQm6KcI1y0gYqDdhPbo3v3OG1MmQ9wdKQA6YdFrHYEOBLh5re8.UhR3TsJxmdDV5fMzNLXrSD5NPHovXvbds5hKD9DixBqG6T02QqaFDnrCQLPoDBS_BsXHyNTcjeOG7s6tzLO._G1WS8KfWve4ANE1MPxjs3FqKRq134_ZBDHjUI86sc1JSbdZuRDJpFmNgUU6gBTJRfK2uVdc0ButCYGCg6GUJf7xeH9Zqv3MmSyVg6KCF40O.VkKJm8yfFc3AN7mDHPvTkA1u8t32pn_6E522TsppoPHV1ORod_p5sW11VxDQCfFptwnP15vG4owh2ovLwrhEQb423ExosLGmSffNh8IdGwunPYUbTpdncuzZB0eH97YHAzUzO2AxbypGdCp0lP6F9UZM30d4jzvfpb7tlNepr2tsyRaoUviYyThBZcM9lEhtPMo7H339wB634aP7sEyxvXJz2DZHiVKvcJQ1nuXnCNoyoeJE6iqcJW62HfKx2S74IFTSXtU2sc60z7KM2Vmu2ChCuES1C9928_7UEZylQWzylnKNDUR.BkgYeDPe68zFXvjZk9s5Jql_zIXeKh9zz0sIZ8bV1bwR1VZQW6hFn8nDlfifWdTM9P1fU3s65vjNjpimUPC5bi5EwMUNs4ODQj8SvUJ8kMsckU_loulHkCTKLc.s4t_7EaX4Et5dLL0iVDwLwE5vRFbQu0Cn6dyuDlGMVCcu1Hn3JapEHLTGU2zdi6Y6arCq5o1pOOq9yqrLGbYrdtc3K.VK16x7ZvFAXn7U.DGoOtI5Ky47fYgF.nvJbDdXuQtW89clxDgMuUnIJGALlq9tkgNjM95NViqUE8Jto8.XKhQwI_rEvRzlmjo_z8a3t2P2_FouWt8JC7UJNeUNINJwBEnzRhSz0d40gMG6rVsB49o1sRzuJ1nimod3TOa9e8vgY4jvwzR7teXk2eNHgh2z8fl36I6p5BE392eN5aWDlfYA99q.ON2b_KkxHmlzZAZZrzGN1f8HhpQao8Dt3LlRtwRNWmwTlutOJb0pCT5EiEU8RbqZqrhJCxwisdM6KsB7IK6I_pJPhrn",mdrd: "I6aSEL.cxtURw_cbGPXP6jYXJJmgLHmV1K0mQ5J3qps-1739130914-1.2.1.1-2hIHQscvwWpYXRPVjby9PDt8nOwnydsBKcfdsy.a5A.PXNFYweJR0XMu6Ai_9BWMoA7H6VGrv79AWKW4fT4avECY5Mqt38z6QAVXD9D65OcyusTKcLdD7PR9i7gdDZ4Om9nibvY9Gruk93NtoPyepqhSB3LMkyFfW5zdWY0Nm8vJ4qj1f2wERzPAUQF99MzGa_rHqAI0wFFNyWJSkEgfHOtGNsASKYAgHdDpzvEcI3inEeHGq6gLRT9imcLf0mnDylKwegXUBW_wLZBFC5141HMDMSwsCgMYj3Ld9ZO9HzOintiyXX_iLMEPZGbHlgoEYJCK.G0XaPKpmn29YsElQgNJRygeBmDhO3jKK57W_CLQEfADm6OnrzoIlm4PQtLN0QET3fXlJR9kmGFtl2XoBXDl7.IjR8cY9i4qxhI0qdGAfxgcDZjGUjr7WVdOWDDgXT7CbnV0dk_bt_4MlUZ0cBGweNL4V6rbLkY756Eq8QCmN6Wxw1wHtUSPHZJc7VosXpKAQuAium_G4lRyAO.BIygupWj.TzxagtleSZ.W7L2koDFcZg6V58ZRS6q5kdhTdNPKNI36FuVHesixJmyb7J653YBffwiPTZMKCGvDXu2Qxu6vSz.THFGGQoMa.NwpuSiAqz9mHxif_eKEavufXZiEQrL.lmoaPvQFjCATkukq4NSWthoKp.3ZKEjmgy_83eW0Clq0e4ltXmQudz87j0EIdpWM84SZDDIkQTekaEXkxUpTjdu3wZO51duuwOobRJcm.nbfhbZ8Zkz9B4cUce1BHKfc0UoD8zjpc8yr5XtuP4LQFa3PN_UGOMssG0yxudHWOtyIISiuUt1AP2Rz8.J_F.pfBVeG.oGSSPiZ7HxRWj6.LnSdIkmDwk2K6BWSjA7y60sp.o0m5k9M4fTsotJrwd_QXrm4DBSHXsAjM5Lm0sJGi.CuW1MJDDoZt7SuSFQ32oQ9wy5e0JmivorTejaLVaE3HnWGfL2o5wQALf9XUuqWb_s5ZyI.uzRO1bciNIL_EG25.r63MJlf_.ogwJM9QHn2ZUlKw0Sihq__EF2B561bPHBtQ62jvPe4m1CKqxVOYX8XB4MU0C2_8zxn3dRddKMkLsQe5HbCKyaAWi_NRZ2i5CewWwATs.t6V96sZiED.FIFrpaLMZOplv5ZDlnDOPKSR5TH0.iq.N1gilhfkpkNpry57zzSEKOAI2yX41Bxi8PXmG3gYsjY7TCGRpasb4dF3ZkdUIL_5Ts7e5SZJ5i1fb4m3hG8uyWQbJ92uP0AGuW_nyr8ihEvLmWdSWWNySN_iC33ChDhbFYls9rZHpVfkX7b51U7SJ2tHk9uUWVquHDAb1WtWR.35rxBApRP03cjGVc0bLRxnMlZsd1ljKyKaC_Fhq7RLOYFctjiGAfw1pW0YJ_EDL8.cT3x.0_fPNmEAzFFNyvF2P0aXZ9.59w7pxiy1fwP8eELFCOnJbAVccvI7p_ScRFJugQGdXqCINNTs60._1aZRnQ9HOXGGsFCEoB.17NQ5DZMOX84_UIWMeqF8QSdRaFQGcaoLigcgVQw3fW1lOLPlCnoGg3nsAhYm94x_JfS4ZDCjWUHc2eppylznjJu0bd2iPygMjiH_H4WytEiqwKEF1QHGYeXNDafFTOFINlv2ewWRh5NnCTrYXhO70Dn9qjpnbLTdcioIMH4qUvTg1jCrEKfj3DOShZ56eltJZ4lpCiXRjxMkrGOBnx8Tavdvlk3tzQhvuwSNdkvdph17MbAFn4V.qaafxevb25nfyzUJJNMrBdsxg9EIskcfRLnfULI7lHaAg"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f66a75fb8b2076';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\/6752134980?__cf_chl_rt_tk=qoDB6aianACPdggGN_Pxrv7NMP2JmhwBTNuuX1BLVaE-1739130914-1.0.1.1-roV5Rb_xnTp6PmBU.SRR7LzeNFucYwFkUCmNf8cQRpM" + 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