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-187344779914.mit-edu.top",cType: 'managed',cRay: '90f7e28ca849d65f',cH: '51VYrmIovd0KPa2_BpvAnDGhtyUvUlLHIeXedij5n_k-1739146318-1.2.1.1-_iu3BOVKV5FaSCYwlGaxs_0ZLHPIJ3qdK3fzTHKoxFNB8I0J2bkrIssJtmVFMR5u',cUPMDTk: "\/post\/8526713490?__cf_chl_tk=1qtdmOURfWK2gl2NqoXq5jstFTv9tg_lpHIAZY2iga4-1739146318-1.0.1.1-3gw1SrvBdN3bzlRlQPxuCNQMegRLVVeBMeJ3hq5WOXA",cFPWv: 'g',cITimeS: '1739146318',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/8526713490?__cf_chl_f_tk=1qtdmOURfWK2gl2NqoXq5jstFTv9tg_lpHIAZY2iga4-1739146318-1.0.1.1-3gw1SrvBdN3bzlRlQPxuCNQMegRLVVeBMeJ3hq5WOXA",md: "eYVpm_UvlbAp5Qohyyh68BPDWTPSOrXnhbArBD1WLrI-1739146318-1.2.1.1-a8jvEKspjESveEKvdHTbmFHJfQorsxTiInQ6I3qPhORIdWbmEk0rsgGBFqDA3tzYCkLb484FT9R6efJX3JAn5JvzThLUjCqPEITCFcoMp_tRf44_iag86V9DaWdoS.UK3w_M45i._JFANyDnQdVU8qeO5UCq0T5nLChXHvjBAfK3MIRq1I8YmjBsKjDY5d58PyrKMQm8H1v7MgQrSJHc3RXjFkHarJK2LRv95H_eobh31DDumct4wyYA7DZ0IGaZw_J_ZNvCgQOVG26Ouj9uXDdMzmCXRcSGtM1nNtk3jRfmzBZgmWmVU1nH36Etx17Kcsc5AS8wE4Zmop6tp991JHgGjlxOv.OSkRUuOyBpIKs4f_mo9f4gHyYYC1H7IziqqckyKyXWjqUo5qDrzKh_nz7snHIrrQA6oT.pI8_9RR2.8u1klaISUFdZcnM5tmEx7RUx2ECXG.Gp80kN36RgrKDRZt2IwY7A2zH.HIMm9IUaB.aBURBSL0xULACm4HD83Akw6Fzu1J2K53M_TmxFrElekWnE__MqxSKFgbrPWL9MeAvXdTmsWjgE1CHeUi.7uiWYT.g.i0Vk.QXfjmMPuBIo19isH.HdgbcxUXFRb1YrqhnxTMYHXPC2.2414ESBDmg1BTtTeWc8sxu7CGOXnQPwL1NFF8ayWZda9FVbG.cHSorjT02iquzHdEpDsRl2bM.cFLGVA4cGImhY.zzd5wpCoeKwgPnctuXDJUS_x9n0WM257uiPFGPLc7g5E4BbOcsPNwrEtOXc0xRdO0FwdeT0DUa9Qo623OkrXOHepGfmjhT71V9c1W2vrSH0Bwjrf8HtKF2S52OcBaDFJn6Z.lBXgrUFkGbAb2_326fIO_aXiWW6zQQQxB0LSvAcI8lbKjP3huoyx79GTv.Q00CUrnLlH0nB_qq0sOhY9pcT19IE5Ol_YtX_TOEF7qeRAPTQyQ6UIsFRNg1meIIUGFME1HR5DeU_NUAdfVvt92FvLDaOLy06a3OEuqBcn1vu3Y.T6EkFYhi9eAgkJkDsxF9xeuvhtaE6iQFue7VYnO98Y73lgkiGtPBHEuLQVCmPyPD0i7YSuRuSxyGHZjUeJNo_7Pj_0N3DNgLmCyqMUK3PFqTxAW78yWWkLbec1ykv3Reddxb3CXBveqYKi8t1kFWf_16wYwNIgsuMP7rkoV0OzvBFPQA6cll.VlBxfIe2woRi8JDaoz8dRgmokQKXHzvCsBnnMUQK6H.kXu5q1l1vbVmqjmJVOe8f3ecA9ROmp80XYulzNTcXb13NeuTvT_YW6kjSxvwxZdb5pfjWm.T3O3iD8biRfb.hJKoUrqaBqOWXC0FjbgJ5Tn9SNqgxOs3WqzDJ1qEJwvRDGyGOGk6EEd9n2XVDl6dD.iRlZfAVPgUl13JAqsCmzODoXP0Mlxtf9hg69RM2Nb1qMUMmR__9WU8fe8H9Xy94YMTqkFsyUOlv0KdNWrsYQIgGhSsGMvgR0Mua7aLQEaJ9G73gX21mkjo0S3n7YKUrQfXh3J3LNdwdLSRcwJhpJuqJO_kcEIpK8ESLiBBkTrwAQYe4owl8DsIBbeOSw8Fn4Dd_sz16dt2Z0QFZxWnbPt1J7A0J0XiE8JFpaGOPjik.OvB22474o5sZYt2HtihVwfdaxe2Rqhqqp6mGIxez7aTtCf7b.4lyKFipEhLc9cC.QfC3UqhBZFixIrE3BAyzG1tOeAhORjoHe1.kUHUmpfqeQhBD7U156GyqoD7NpVJuXWjxHk3mUoy8PFfBkyrvFdGeod383DUBMW.gY.LwmVDKcha_WbpjQRLHQ4Flbf8BSUmaJHgmuMSollMRNZetIN5kn7nO0LyiPehsWyj39IBqt0SlEY57QLGKthkxlsfQKJE_v_LLv0aLdpqg.Y1iVJonCwJd5Qgle3XligI28Qq5HLtR3iAUd4yL6Spb20byil1M.5PBc1D6MJLSMEn_WlCk.5xtO1X08lT3l5VrW4C0PovwygDsJQ7W7fGl6Tut9fevmDkSEWG4wfAzSFBN2ohKSWX0f3Kbld_oHkFxbZ3MihXTsrcBrSqamxiYY.cr9c96GlmnPf5e.fqu1IETFpchqtWVoTBMkz85_vSn0DJgJYxkFngo9DmqRBywvVsKilF_LRr3Fdg0z_Vo7pzdpi0iMgYyU2CKqZbijiD.fyroMGICWPwtrgwlothDukBR9E1Em_73KFrDXdwpDIPuh2DjhU4KHJzH",mdrd: "l0JU1ir6pQRb0Z7LBaRtJhKlLqHdsGGqRspkI49nSVA-1739146318-1.2.1.1-X96XRqOKb5.pSJFxDRhMgXeKkwP.tu0.SdQzEJlVTBK4DFJ0gk95AAxbyWXRvs2KCStTG_J.fozbf6w7Nt136YcpMCcQxtO5nZNHMHEkRi0oBXOYqkhxp3sQMHhyApbuoDFAHz1.EsiP4QcQK0tPZ0XqNWwyiJJCDxAxNFvmuHGBSOeRlHkFybo0thtNZheBt_86S.GIH.qvUtoDSD1_iAS6oKgo9sFT3CiFvJQt1leCLhRfvZVTdh7aHNl59JtJ3FlvtTnlqMPJ6N9G_aK4NLMzqL.VMj9ijKfi_dOGkBSYk1HrXXlOQLjGeOlLbg9ftzni7L96L83VqIv5nF7Gzf7MWBRc3jC.YVRbgAF77qDNUQ5ZAgv5SPC9WMLmviB9Nc3plFrb7TmBVF15t.SspmQnrH.TDMZaJCRZwnsL1SSY73tTWae0iwbBUdT66RKHc3wS49xYb4NCWZ5nqAOLySjwY_3AEe6gdFFayBQSvxSKdvs1O5B54ECCskwVsvz87tLb4MgDrYpvSLPLxrUZkv2MEcpzaNnmsngn1j.Ct47E5zorP3guS.ZH53RgDmDHXraJASA6uvKWqNCPm_2fziEhdzJPfAdyg9HmseUw.0BLt7jTE7cABwL1AUr8ziur3U7Yw4O2u5DFUNapgjzWwcIW3GWbrhmXBHwVeW4ByD6ARK2eeBP2n1v3T58dB5.CXPvpmhzLZkj8hvNpzTTBg5jZPo.2zmisTlsrnOP7ZL5JezAkVyYLrI6ERr34dCoBLK1.ZA4GXZcLzOt5l13pFGgAo17daKCl0TUj18rfC15gBZ0UIM7c0YoJaPl6D1FR1SOuGULtXAlHMN4aqPSev.LkOY6FEER3.XBJ5LFaZLJR5xnR_1YYw1S_1edbfrDkKuUspSad_YmfmhjQ75km1xXZViHzzbM0WV4r2n84fRFM3Xa2lbZ8hGAnEqg0apCNGgT9Es4rK89_3EFIUmDprC7zW5tUvKpwJ.c2IwOyTKha0gSkxlBhJoBDn9DsNOcI0mgft5yy35Y.rueeaMTlDpVBfaMhE_34I3eAWgljYZgRc24vQkSAf3qX.OCmUMTtf3ZNaN6SgGtUL2.KyH6fz9Ueg_J_AY3riWlsychkZGgHsT0kD3Uiz5hORQoouu9A5B79YXXpg0JKCB7g5EY0lwlfHEf3j_aR1UiP6fGM6pms_wLhi8QYX8BsCxxsDNzSM55Tw7W4LDf4.qw2XBV4J6ZCf.b6fPRtbnlJqMfh9X7tS3KRpaRJoknQoa7a1SFDOCsuXthaVRpe5auOnonOxlKjaBsclHoCRz0jm2XZZ4imNrGmS4AX8.08myWZj_GQYaeTHQjakzm5FE2GWsSjwTg8LxlxNms.SDlDASuDT6Hu1nNJjwG5a7c4nManSvYnYVGrsCXB7vz3HxpjOoeIQBqGlf0TsBilFj8ePD6oe2hzkHmGXxRKUdXKUBVbCu1WhsCkNMusp3S6mTmJ_IjnbuVL902TNFpPVgDJclvTKnL5h7dJch642kuMUQE6OwASVo94tQZGmio_Kw9AwdeBkt3MbfvAEM.oaakCgB5mzMZHhUPwOlz0L6VuxEWq3hf1tVOFUUsHyjNmeiZtr7dsxCj95ORSyGwbWfZXbi9ZQb6uhRr2hazxQ0B_l6jo9nYXOpn1mq2X0k57pK7V6UgWIq.QKELpY.7l1aao1clDEqlk7EjzuKqQzgO27NqWs1Wm.8.AGE11m0aH9_XHosOZioWF09fv4_3uEQCoeHGgTS9aPA3mcHSa45XjsR21377JA73FfbhCafFpq.Ow4uUAQfsZM.MTOPrcSNKHiVZwK_k"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f7e28ca849d65f';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\/8526713490?__cf_chl_rt_tk=1qtdmOURfWK2gl2NqoXq5jstFTv9tg_lpHIAZY2iga4-1739146318-1.0.1.1-3gw1SrvBdN3bzlRlQPxuCNQMegRLVVeBMeJ3hq5WOXA" + 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