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-092142958378.mit-edu.top",cType: 'managed',cRay: '90f23dc2bfa8084c',cH: 'MdjUcd8reecy4plyajEa3q79IMthGI3UUe54Zz24FtA-1739087140-1.2.1.1-BIYMJfvgptz1PsLHhPVsjeGh2mEIyxha40Fvam0wfY9aPk753pjU.YEIfWFsmPuz',cUPMDTk: "\/post\/5417032986?__cf_chl_tk=z41lwdWncqB9XSjGkW_sVYQNT.3nQjUtE6oHZUxTf0g-1739087140-1.0.1.1-AhJGQnfyPT_PWE70oz_3E0J4eLlBiY5EjFJcHdkk8_M",cFPWv: 'g',cITimeS: '1739087140',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/5417032986?__cf_chl_f_tk=z41lwdWncqB9XSjGkW_sVYQNT.3nQjUtE6oHZUxTf0g-1739087140-1.0.1.1-AhJGQnfyPT_PWE70oz_3E0J4eLlBiY5EjFJcHdkk8_M",md: "RnX7te2xg871F6LP7CIR5DJ5Ny_xJKOkT2WOTuogRj8-1739087140-1.2.1.1-Zbv2WFpFEBmkl8arDRCtE7Ft19sCj5wcnjratL5aEwGU3zjN2i.HT9nXCtubjOKfsep9rXVmNHe.gZ5XtvDhIkecFDgOGXQcgK0kXJJGdI.j9Gjmrni1hH86j_MdjcCiKhxLWLKhYZijeAuMQd1ShNYJVie9b0N7vSg1w9KMUUDrTayWyeZzKEHugSAUxxVZkDDznWZmsHB7hw4wX3YI2YTKL1HFxUGUcWQSlzaHvb2gORLSQMZ3g3EVgB5Evau_F3nuHTEaB0MNlZv869bog8pc6pbKsGTGfnWjIxzaxziS27KJmI2GssjVLR_nUM4aT.gwjuCE3SkwR9_efifsiMatKJE9JnklmEHWEmD4Xe.K9C5Fbg.RbKTbzRWspb1oiFsZ67gQCEDvnepLvIaQLPYhBr0yFI9w0t_QpQIKFtxt95sCncFaAkASDmvFshMfaWO2zwX3Nml8bfEtjBnmJXcyobhbF1xY4NtGIigCHmRl0Uo74js3V7O.Px3BDmKCLW2n2PNNO8S8GQI1hKL4VrRq0bOF_BRbCZ6iOQWOkTr13q.hBmVAmAxqtRBDkfA.vJA8Zevm8Ejt1worOpdW3iIqXNDjr0xioNK9cjEHYALBvnbv0G4skLoUOR3aPrJ0MhgWfPd1d70zwiYwcDzLcnyC2pc89d_esAHMdwOiriqhvV_ncLw.x_IC_z20N4Tcv56Vq7fd5WXH9I1B2byB4uzMJIqEJFG9GZZcUMDoi8rZgiQtXXWWjkrC5FYopJ1.2L.bL0et7Eog3v_wiEqT7DogwweUJmm9CbgB.2OD5tlWfXjAc.dQvsJraCCV_92ZoEe34PxpCfKSdJHafMvaRRl8J._sMBE5GzgNQy3G8ixWMVEjfbxnRKh2AbFGk7PQamsk8D6aaujK.UCtztR9.GPFxWI.y.PVuMv0GIqppOBKC_OHQNhE88kJunA3BNkOtnb.h_tIqpZQ3cuFhYMxz4Ei2qZhbXVEl7ox0AcwwZXKOAjj2TMXYpoKPIXwJbOxLEcJGlNGqG0hazwQu8c_PfUEj9ELWvnWmXD_EV1YAc_Y_z8uDwX.M0_gIc_DIspCcLb3uUmleHac_MWdYApJATfY115zExMSGwQGYhe_9jY760fyqVXAOoIKoGx9kSAnjWA7WgUsiqAETSHuHNrEGky4GR8vZLAyPo3yjbpEwT2A18rt62Wy.DxbXBKtqW8_ZLZWzvL2zyEg8_uzXCcGu7V.f6ClB0DduohFaCsYBqdr59ekYJs9H.SK2SObquJ.109jiKvYQZyIB_CFvsdyaykQiGnHtNmijQG_hjWJhTVKg4Qc8RM70Bm1GQyvEax3h8B9ccRe_mhA0OMHg59yI1FdiP7ba_YDW6kU73xowDAUsVZy2otInRsTwGse3isFUuCcvnuOd.nP3NqNJMdxVoMf2mxjvJ8d7ZPtSWW5EUpiSHtbsmG_vuxwEblXHYfBgH8YtLiuDOqDkLElRVINSDzqoag5hMEvANGmq.Ie.KejvCUlMNi6p7dDNNEXrx1BNhVkT_oTWKxuDGwNgEWMGpWqgzBsYuARHk.hJ2h3jv_n_nBxROPfIEoZj3aSO8BTHKUh4icDiN4PnSXJ2EoFKRZo1wmmSBVEzOLHxZMzqPA4ZKfWur_hyvK4lbB2Igcn3TtbuOT0ZWzpSR7MOeafUWS9H9rMejq1e9w64VVnm7X8TsmOR44rDtiHxrEy9s2H_Djk020ok0NBxL.zJBPSxGVGEBY_ZNdhMnXcjWw.8BCmBRSHk9mjQ4QlDPdnDpoiNOgjE6zyWYdhl1r3wHWTo_63jBIiNgszNBdettb0kakwDLgeA48R3yq1rfmsNV2Xu.HXMIxNYfoo52BtHy6ArSR_kJ0mL3Zvgi7AogOHsz0vjBbD7fa77Kp7j3GcxMZTYfSjt1Bb5YDP9jT94jQMPUNQ7pbAV351LhUfUWNOpuDo3_a778Ko3Jth0Ym.BYOIaJDj_8F7YiumIbEIcMmscG42yrz3yt_gE2SEuFnAJaZirjNSdljcLm2rbSPWLQ23U779JE1EGKtuKWMViOOj.ngz_EktT6KvBCczjnDkICV0lNAakVjmBitfOzQRvJ2aqbn00y74wMPcWLrzYYBaYmffhYI6mrK41Z3Pql1__.MYsW1LLIBANsruA1DQ6WRGsHe7tQWSmDtf5oEU7cj1WMf_mqrHCs0fP5h3rW_IVYiJcauNhwKrg39kvbzkS03A",mdrd: "KB0nK.ciuJ4IY_YHHGP_rB7uioWCT3NX4FTCB7NdlIw-1739087140-1.2.1.1-hq_3fHkqcvNR3Kds0tq4fJDSKFN_dgiVQHBazyg0OmXlTMM4S34hj7GymsIHV7v2HzhLPyCE.PikVyBgvBs_LEPrx3G5lB8md3lRH4aKFNXYUhXtHeio0f6Q3fep.uAjd5IU0oWooQ8L.Nzib2Pqk9mpXyrilpCGCgFjw9HYud_THF9thvqClxrlnX3w9e.CDoYuY2xnp90XQ9iXM_wnJXUMxKFJMrffNCMCzGpfZCOXk51c21gBYSCqLXqqvJo.uOdmaI_mYacLLnsJzpUGknqA6Onv31em2VQELfCUCHakOXbl9zCKeQJ_4.Erv_9c6bpoq1G31nHTaN0xFKz7jeiOLINuliXIBhYscfszRQIYRb1fpgNknkUOtgN_nDP3NA6_jbsqXWAFKdE.U8IZNRN._6SGb.XG5tOQmvqfpRP7_9uHB1ZB57czPUU_m_2t5xqJgJUarxNas1izJmRnRXML6u6TNRYMuwPhaEw9MIyAZpvI_x7qsv_Ao6VtqT6oiZLxIX8cdSfi88LBq0U357VtiTPWiUhlx1OrGemL.kT303csmIrTXV7PmjWTQh.zqmRuNX8CJHQAJtJWBvyArNIW7jAlVTBoafbBWrtEjkwhenzwW9b.CsAB3yA2wWoh8OlGgDn3jXCgLvEjzf0rXtLno28v8ELdZ46r11nsScAyvVGS3d95ipg4RcaKlC997PoVNoAJ9kuBB3X9YU_nFRn43FwHj4lA36NLhKLNb4qRtt.regx.AtEMV4D7jqv6G.4UaNBBQCyTOiYClwLcftvaMR89.Ctmo8rwB1QF00A2Ipce5iAjUIEECcOkkm8reBLXNfcIARh8VjHrXEwydey0dxA2bZEZCORIGNuPFtptIQrclIYhsKlg921.Ow8ON5BsxuWAnB1_dQgLi3rP6dhgQEug_kRX68Ry5lEuno3b8xTIrmt3eBfRPrY0k05l.nF.M2GeUosdcFM0LhwNJ8cCm4Ion24tSn5wPsSbnXX.Z1uOS.vT97pBImQZDs8Jne03Lcyz6WP1YU7YkrJIGKRDbw5SeolK9awSxZt4qwrqKOYHDVZdxwPELL5aqyjETyt4zKGGq4Ubm6F3.JD0eby5SsHm0gQC4PBe_clhuF6HD04w9N.dE8bv5F.ipbuq.H6b9h1F_4ZYsdqdCvTBmvITQ0lJrGl9MDIjdjAtuk_c.aTraIuFbkltnIxFpBnEvlXi2Dk7CM4gFTGhxRS42VhdFOQLMCe5RxuhMDjIKcaPSCT0tLiNF3ZGQcDt4y3ensIFrnpPM4Kh1t7wJaW4eKR1VkzH6rY5MlA.LjzWzaV89eEqF1888TZYMYviEslfVhHRqQQLZdDr4mml4bi.llEm1BLAGG2lgqnGUD7.OYLOCns4yBFCndQ6IyN9DFgCrOr_On76HIYig3UQvMo_hSUr18ONMeNkzBgFtUKMqZ0lSqujQRttapnk3Z9oCU7AUzF_b2zhMJuIrV_7VjNUTwJAkM7iMGDqVCEnwWe1etrKNsUsx9ccpfeTEvYTxsVEkyPEK0E16MUz95srkwmdOtW6EZbNKKPardC4otbeTSXqX1SxA0w0Vyjr4OFnjMbn9F2CYsAENf8xWmo0z_reGCIK50nuf0iu8AVq8WTpWUd50fWJODCGjPWpUDQK8RBDE5Qj1LkzpYCvW.MPfHEVzfnCWBKR4POCZR8WVyp5Vi1d65mRtDsrJp2MeD0EBK1ofD.WE8G2sS4Z_V9q97elZN8.BkJ9WrWJcazz7ugifKFIn2gyD_RPsW3e.gbb6z6w8Br7Ofwx4aAzM2hOZb7y2w"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f23dc2bfa8084c';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\/5417032986?__cf_chl_rt_tk=z41lwdWncqB9XSjGkW_sVYQNT.3nQjUtE6oHZUxTf0g-1739087140-1.0.1.1-AhJGQnfyPT_PWE70oz_3E0J4eLlBiY5EjFJcHdkk8_M" + 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