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-169254013764.mit-edu.top",cType: 'managed',cRay: '90fcfedd68275728',cH: 'xKZFymedMWvO.sx7NpRTLBQgWc7hZ6sEqyZwHfpbdRY-1739199907-1.2.1.1-3RQDdnqzv4hISSzzOF7FaylbgTlQc8yshsX6.K54MTrNqh4MfoOcVbAXO0TlILqy',cUPMDTk: "\/post\/2867095341?__cf_chl_tk=X1c1Hfr20_.y5NFObw5EUaLbCxu2sny3p7BJosVJw4k-1739199907-1.0.1.1-N5mS7YDZrhdhAz8BWOgN_ZS2flv.szGuocBieQlxLJI",cFPWv: 'g',cITimeS: '1739199907',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/2867095341?__cf_chl_f_tk=X1c1Hfr20_.y5NFObw5EUaLbCxu2sny3p7BJosVJw4k-1739199907-1.0.1.1-N5mS7YDZrhdhAz8BWOgN_ZS2flv.szGuocBieQlxLJI",md: "aE6B1tyPOLe4HABA80eaQ0ijysn4_8lC.lcMN.YX8cM-1739199907-1.2.1.1-TsaBDSiRYmRwHk8YxjlsyLw4u3rmto4HasUfyuZIHMMCb7aRX9LULxH3PRtzDb2ihG9B6ondKiPxWraPBCk6wAjErbjH9uK_KLYdPIG0YJpUd_HnDy2CWNM2sMXDZXDnUPwwPXxDmQoC4EGWx07LeXJVM861EfuAcPc97kRMoKyIpRXAQQ84UMElry_qUxlvCh1svhwU1gglFGyUiFIgr358YZn8oRl67ZjP87ylFNm5ioQ0S6EneTPwn3IFJZBAVAvwK0X2zovQl7twkrdiCqwQsiCB067MMEcp785Gbgh0cvfRJEVhFDw4RutlUV3Bf.A7xUlvbhXHzgyghiNLlv6bIvT96PRM1Sz3eYuXyLfudX6Zj_82rAFdj9hX0Ohn6wZ9GG9R9lH7LweS3JgEy6uxy4YshlVVwAOMacuX9.yvVnxtzHbMvdzRAIqCkSKUWpYov_znhROGEfCicKu6S9SmlNnsnVBdyU5HovvvQhSdxjzaByhC_GJ_Q19d2ssxX9R6tU70Klj62BPA_Rmc86qktBrNzv7bpkQ2TRWJ6FztpDdSmYmnm_9uHJG8hO5Wxtlrj0h7tXCthT8_jrv6mgWR7JCd6EF9_EPreb51GxRMNYUo2.IJgDMPe9CWundNFDuOSfECNat5wzCSoszJ8p3rDDGAg2VfDJ19bLbM67TBEfra6EPGOz3FEXvD.1QnbE37MJpNP8WTE33PIDwwBmBVWfRazOyDlRFFoVVgitH9rtyV0li0tUAPW3vqrKCUUAGULlZA1NpW27NZotci.S8igTnxT.ln8cw4jwlglfchpbHJ6Y4mOSzMNJrz_H8ksd7fUjdabXLmopD6BqM2vYx2TFt.TiInJZo3I7QJHEG_js4knIKccU1KhAUj6Th7ViyeOAM_Jr5QDDdpuK5k8CQi8DX8a1giIS6deVrMIi25aYr1K0x295e5nenkW55sZtpIuo9wMcFhw55odXf45IHg6.Efnn_6.Tw9cN5q5bD1nRIwr5qLXBDpFuxJMqPFr8w.JRfYc0VwEjlky0EEBNWC3NnEXfOT.dDqWcyVEYzU5Yl0NJk6W26.LTUwFTcbGCqm0N4nsdrxVtDVeIDI7iXd8wTzamK4RRPEntdASwfuExpMTDTExeoAz.SXGkO2nnF9xRUnX32rGZn.y7RAaCYB7armW6WYcXMZMS2bpU4ac4UQYlPsIfErEMjoFXrOH.RZ..Yb.g.egCa9AEukcnPLpba8yMCEf_cQTgrHMlzPdfFsSyDNGolbTpQ6o0apGIrfGMfJw8fUGy8yA00VXd9Gw3jNIW72wM0RTfNgJ7QCoUAkDWXXSX3RxmKDeUOjnU_Q82.6GqS4euo9d9BW_ad.Dq.Q86gqDL7w4HymZ9ruHe4MoRyan5kfLPW6x_cj_Wc.IMzlr37Hb60nY3Qa.2Jn88xpc4Dt5Mmn_iJ.MRlxTord_kt0yDGY1GvbM8hF_YThmJ5KT3RYImqNqgqojK74K5EsgXQ_HQvk_iHi2QW.k_Rr0z8HS5dJN_Xyszd5Ul5w7PRFbgoc5_clyI1Ip_.1IkBBzPc.s6xHNP9loC95ZZ0QJpgeii4zh9NYUdg41AjlzOBO2eLi7jviiQxfTFFW58tQUmhR2jWpDYhBpqBO5Hdh9gbCGAWjSbyBsCVcdPvrpR8ZYfWMxvsmYAs3rIGD5XrSWqMtNiu0x3H_BMier54D2_a8TIsNrf3EvAD5go1gWBWb75zV8nqbSaXpTaaVtvKG21V7_8mU1e0GjIMiPL56rXX2HzUZ3_fNhG3E4JmpoyF4O3azhKV8ThXGnGLZAKfQ1JQoj_Naij8wlsPs8qHheiYMnBgzgsXcIgb74b7MnXVYOepwLYFJaJZlef37_4WY6_O4tZWZMQZFyJ076yQ6KUSZrPpeLSFciqySBdon3usz6IleagunuMyN0Huvii7hgWwpdO2NVmjZeSbCr4NaQkkIgUrMkURw9Pwv4V_Cj0pTeg5MZep9tmyRlOmqShdPfOi7qIA_f9BC66AjEPUTNy8XIRS0djpNKFPJVnG_xu.W6MWBV2XxGFEKByD7Q21ZZk7ipoObaaPvtkVhRhSn6npD6ye4kV0a99ncw4iBcwHaTdEB_oIqAlaBZpWsAfMQ45g8BXqJ5WZJZRWVa1VDD520oywLYJqeNeKxcanlk2r7Ikfk_vrdOtHOhGuFm4E997gsM69euPh7gFZZ6cFyMxjU9CII3tVw.nVh",mdrd: "LNZl67t6VaPTEHgldPjpUyV9Zy4vPOmxzDMjmrXPGaA-1739199907-1.2.1.1-t7iPlmrLUvW1KiLV.OhI8zzc06YpnAmIVEayMEsSHBouB99RxTvkOpTUqTqN7PAjD48qE_3VK4L1NoXpyGS.xNH9eFDOl.aSFVtGT90K_yvxlLGVy3pI.63piFn90NrRqIsr2Q3WXKi3E3H0H7vmuAstRGuPAzNLoXjDHTcJTOubucfBJgEis4djkaDP8eQhdUfiH7nqC200doIErQOZqZPqn1UXtLu8NXGnVhyIPFiLE0I.D2Cz11RL5M5LN4gFtJTCHOFI3_F3lqRR0u7YFrhlg.wbZJrnGP4s_ubWa1EsWZpbnj2fVtWg8kfJtSBDeV9c.Y_3MszrnLrpjtvVrIE026T0m0fcaMoP6U1.hOH6BIqUApiBP8bIB.38aNwS_70eFiy4pP3GhnbFCMkEg6Rr38t9v6I.YXmH1WBeNV92FncJH_D4jmdHH3px4zMGa_WMVUTUoDnQjYXp4CV1bQ0YwNMk7IXmjS271CbEcMLSBt1fVx47OT3ULcbO1kIK4Kj5ZezQz.daTZgpQRTC2RwGgZUcs9sf8iyAd4vy7mSCothEIGIQhlsrLuvSz4_W6tRfUQT7YTNi8sY9K2BKQGjF3PZzLw1o5_OCupUrGsfpNkNhKySeja3uldfcYVHKyilxT_CVYf5FyG5_GnHMVH91X59fSTlLa0bdjOZiaq05rP7Y04LeW58Ojgu7tQ1goQzYwhjJ0Tr_xLMw3t51JcbfAHbdic_KSOmuh_OhV8FRoFR3SbL.NruuLyFRmwu5Jy7M05TeZ9cskRqV.zSGpDrCSrtN9LAmKn8FR0ROsLQ40ZzDm0dG_raqraratSXLV9pCzACkjAdX05c8rLYqdb4xT9QweQXjIRmwydKmN8ZE_mXoThfcP9ZrtG9DfiZt5QFeUGFtyQnfGfbC5Lxc5.HaIBM8XZ1se9fQxf0uZVRF73uKgQy0CGesCGUFrVUiSAkMaHPjNAxNhsxnayoR6QsLQDig0VAPUFxxZS0dmeWPltqbPtTgdvZx3.gpsvLUShzFCQgNStSEeR9xeKjc9Zh1tbJupyahrMRSGU915_3KmMUYYJR_wkJmJrD2su7wab4xL.olg_HVtofT9MU8KtARN26S0iqOAeCzoreS9ipjBRr8VDTryeze1o8gIy6OkW63X0geV.gp.VZPlxaAksF82MtGObI74biwDHPtkJxjfWdJ3QvWjVNOG3NHfBqlkAOlpOA1uIMvcSe9JcSVU09FEu9JX_vwU3dmNl.DDPdP6z3uRg7CulEk3T_5GeFnBP67JQDoOsV642zGjvknEPbdgOfCOlXkmn7IzIC4cXzm0cp__5unLakigX_hjw4a9XcadiebznZ2ByWnZg5J_LsGcQVb07ZWbi3LSUm4.iFt5ErSklnMFdJgR1W7eIdyECqmPalOeQCu9flD2dFGcobP1_kKgJCuffxTfK9X2gA6rJD5I7lDeES_xXR9xvf0NIaSQl0xuzePrXReWMFsLKPBcTQYGaWMdb9YyxDYCdMf1HLkQCpJzfytRSqEF0e0WrJ.fUB1fZEDjBZrqH5kLAarix7yDnCujwlV_xeYNukqN2NlzFDFT_zcCBP067qBGVWHVrG3dvoZSm8TZTA4UMqznzFSeHzmL7VkF1_ck1TPgdy.JmSztclKHSQ9Y8NZRU_FVY6R0_hxMyQ6nc13dKBUAaV15u867hwbsvDF28fffgwE8JYZsikYAKjsvpQHS1IqYsHwUFtUpM7dZQcCbn30Wd5Zs70kTegPGeoZBOlKhHN.nvcn.3vyDyU.Rw03I2yasMu70k89cUuvq_yo8Q"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90fcfedd68275728';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\/2867095341?__cf_chl_rt_tk=X1c1Hfr20_.y5NFObw5EUaLbCxu2sny3p7BJosVJw4k-1739199907-1.0.1.1-N5mS7YDZrhdhAz8BWOgN_ZS2flv.szGuocBieQlxLJI" + 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