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-695997257008.mit-edu.top",cType: 'managed',cRay: '9107b4e31919202e',cH: 'uqmm5aayuR8rvJBF9XAm_.C1YCd0lhtA2pbLGXvArI8-1739312220-1.2.1.1-g9vEOd3OxQLc8e9.Ep4pj3k33Hp7B_EqM0wwvvxODtJ0tqiaeQEA.eNiBhSygMr7',cUPMDTk: "\/post\/1985346270?__cf_chl_tk=lJvwXKe_Rx1UAFibGZsuQ5tg3gBIBvDkZg8TMamuDZc-1739312220-1.0.1.1-Dv1lyfoN8sNgZv7_HM46ta8ISLmqJ5lG.emK8WSwFY8",cFPWv: 'g',cITimeS: '1739312220',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/1985346270?__cf_chl_f_tk=lJvwXKe_Rx1UAFibGZsuQ5tg3gBIBvDkZg8TMamuDZc-1739312220-1.0.1.1-Dv1lyfoN8sNgZv7_HM46ta8ISLmqJ5lG.emK8WSwFY8",md: "bcp4n6qI4kCJTNw1z5UJEGfdDOS.meLv9UlO2Huve.0-1739312220-1.2.1.1-5IIntpgUqsasPnZVPxSC.K_jzrUeYpzNlTMvWxQzh.khLp7kF5A4YAXEj0TcJZaGLocoa9hhs54_z5wxs2rENh68rdZEeh.botUm.siSiuMT734N4bWHyEMFkKLsTa0tyvzSvYPP5xbZFaNkb0S68Jq3WE2VbkgO6CzAaW9Fn8KArAtn5_eKb._O69dKrFBxRG5jOQoUSe9LLo4XCaF_LupAIU9H1t9TSsubPYzeUQ0ylN0_bSOKrDHqPHOcRXNgVDaAPECtI0tqia99hmtwlp8NZlMOrSjeyxCW9vAptm2sR.iqyQToqTmogeWbWT1S_DpyjmsxZLssLCnCXBBZcaUupy28JOqqov_TlopdZh96V9qE_I_A1n8jLkM0U_YhSNkxDgmRJiv955u8RAh1r878Deyr2D59Fp4kLjUIqrLl9XRmQm5paRRNw2cd86FQvortXc1a3UCRnbU6TYpfS6J4x6obm1th6XzuAaplNWdMNzFVbLGLlBqzNflFyP9REaETFsS3M1JV_Cij8PWUEMw9XsFwFOkXwX1uht6WAgTRrN7fdZOXiZ_7HKCdP2PBMWEzL99HdBA92ONTKf._uh_..ykty3VzgylsVyRJUHQ9XzxGeht3IpOWvxdyPvD6tr_B0NUdQAdW9qmF6yu4Tpt7ZRPMiSB1OqPpfIhlydLI2bHGerqAwmXJSpCsgUrBIWpstYQJfc5isi_pizV3WFuQS30D6MLU.DrFfdvJP8Y9u__hiAAuNpk05iuaRdDR2pJyK9YCteDCSSFEcCoXUHiLT2PSvr4f9a5bJU1vDZCK6z9vevTAVVDqkiBMIa2Prh6kNvzbrAZWQdWOkSSG_Kg8KxWo5lf8PvA.CRzGlajK2f5grzjxo.JZ27JLoTUeuK_HQU6vXmoEyrEOuL4Aap7FBfxQcTYRUlqyxO.Vnf_HrKkiWMqXXXdBlOT.gWIqX2.bNOTanU3so1RBBka5xI5DOs5_mmZC7SKQJC3AEKU2GFcGUYY1GDMDNlC.fJ3xqec_PQ.wkRrswWhJeYEDZl1yfntVKB.V5N22H3xm7OzuiGFu_RBsIMWV2LP6MvcT1awiHf6sZrzBO4FSL7eqD3rx6CYnqRRZKQPwUhg37oaOIWD94LV5L5urHMBzWwnkJtFvtbgxIxVrZvey9ksenQORyUbND8re1UJkZprlimze7v.GrIWCOG2RF98t40OHaa4O6LiR_ItPZfKZHe_cKp8YdSwAYu3YEM5.rYfdVi0COZiCoxE12_Bdtuf9zcgTeEI2TNOkzvzwQHMgPVohxeI5WxURVQoUqy.tRGrV_6kbathB2Qdgat9zyoqaZtio7oc7nslZB5jy5cEUQw6y66NubVyBXt779QcdlzwfykRCkhCaBsS5gzhmgVNdtnR_5.w_irgTKRoMJhtIvYdxIT6flPOhCgniPakPSrEsQKJ9h4.eMhH7P8v2Rh_fho9Hzh2ZpheUqRN4dreVdj0bqfIIwScsmMFrg98LZgm6X7PBJxStD1jRU.HiQSwTVoWcC_HkOgCVGiz8po7WAvlW1sua3dZzrhDWznCsbNJw716ozMWjZMg67A4nAK2xlWjf.oYzM1a69.C1Da4A5EerG9JGuuiPAOMtyV9Z7fWhCe769sUr_5pMkMPY8tV3p6pho9YF7z.2l_OMw5X9x09rRea1ooO7jtGNmKeVJX7ZiM9xOxeYkwpit5T3HIW7xD9bKlrP62KStMU21BqmWRGA5ZLr6UI2ydQBVKl7vL3vXAezcl64P5VsWGfWxf_LeiCC9JHVxNiSsjaYCxjQ3uR3yNtehb_MmcbLXyXM8z.3vyHrYjxR3_iNPowLVimFXDR7mf3.VXtUMZtZ1sxggvkLe3oeX484quh7JRmh.smyrD0QfEqlJ4fptayLpH7nAYT4ABtcE1VJ5XGlvFhNF78JkpYFWnP4mvL0k4jKwWH5sM69c_Rw_GV8qg9DMm7M2MQUvBcJlvE92DWcCjBQleTX.VsXuquqyS_Ha_aulNd.8UknG6WRJ1Wfv5LPAGa0HOMaxhGlh7ABvmTle2_iJLjUh3XEbusmQVwNw7N313W8MKnzZCpYjE777IsynrCVHJxJIfpWH1o8sq1T1BMDE2jwcUR_kYRorjhKbp_kRF3GfiXyEPdFHPhVlr6U9xfISNBCfvXpuCP5bmUp_AXEOHpeDm.xMMZBD_TN8ZivochERycdzl9jgGn8ORX2NJO61ZWW",mdrd: "yIlr3pSXXHGc7cPdmw8uPl9.qbxgrILGQlWCWVbvdHg-1739312220-1.2.1.1-iwYK1mLaeWyGOQQFu68js.V.SjHZCS3EBPLB5K7jD1JWaUQ5CXgSik8WxwUFLTwa1Vd994YSiyWn1l3rpBpw4QxEWGMZR4CwgUMNov_66WB7S7J9iWqFQ4I1rD4pmrqJhK6u7MwNFiZLzk0OccR9tBDhkDD1vDeF6dJmn5_zoo7fWRY.c9DOr6CHfa5q_jY1miRmIz.iQYjt5SCpPsF4Br16G33DxeGE_56owrkpNBPxnCWOHmUQIoYM_AD9mXR.Nj4diENvzOI2vx.kknmA9KcgQSJDwk5.Tddimjj7A1to_jcNjqUSFOcBU3s4VW0Cng.DeuzutVH27mRoY.bpO9AkeH1SL.3AqEFygDLN84fVWSffPr_ExyTFtFu8DhokgCgaIP1WWbKDQlf8RvhasG3H3ZYe5ospS6frHZO32e4kozM22TLoMNwwzFAGd4CowHoGib3um5m1uLv_Ss8LvCOjn.HNWbd568p25sT8h8cmqsZrkOtzF5qx.gAcxxdHjVqYXrh0cbzksk2FKNrVe1m4tcXeYLhMTglfxdeiaRrwz6VzWigIfE3sBEm7p3dfRvyBtlZabaDWH_Ljz45rFQo16sUtVcsf2A3yTp7nRHAT81OaQ2Y3XWRj1LSXz1YiBOuqnGjrtWvGbohc8ni.7EhWfXuADbCwwhecJ8t3Fe22lfe_e2sINasJFeOXZFURRtHMckO5C.BXYiPcTtj.aWTqsIuv_bhl8kSthN47dzxdDtwz4H81srBFzg61nTk56qF0P20n7oy0BYv2hyo9q1fW_ij4pbe2_OjGcgvf.bv0fhUYmpK6mpBRQ3VsEgHsF8_ETVAk24a73DIE2JQIeY.7zjna2y3gh0kYM36u4D3UB_OXNCj3wWN6WRyuTosagFZiEJQpxVglWCnKPBgJAPcmyITszhBn483mqnqnEyLMTCrcEeDWxSeMs4jYgOWtrVWh4xFeKRTJwrq992RXfgIm1NgRbbSqff09mM_pMig4S2zCkaP2ak7I3Kh4ES8lTQH_xCU7glQ.zAhhfQf99oFrjcZtsJE7zwyF89oKvm76FIzA6S9fBiHu3s_DqUxBbhnkGzc.6bTw2QUJ9JPBiWhHm9SRfFS7fq6Y4CkVrSDb0tusXsvgEL2XJ7v16Ww7IZRny4U.ho8WvOjfzKOQh1l0fxRiEPPIJSE15ALIkqtMwM_q8uTF0MBAXuP4oh5WzzhU_e.4MsZGZV2pTY1x9RRJH0rx3i65fdf86Umj.3Mrm0V_yGsep8mjL3ZMEOq17VdyI6OQlLhyNOpP4DT1YTQ_i_ydOE_rZIm_SFNJiTKGzNwdfJ2CMONSe6wPJCrj383ddn43NqCD4zfqElbpyQvw4ZCj6e29SskD8OlPTyvNYcXqz6aXzkIkj7WAvU50GKLU05i7J4BR1PxvxweS57Is48nGbHgm9tMAcnXQqFUP2TZti3Njb.DK0km7Gi1cRaHTkisfrHt8N13441ehY7VRY.aI2IvXXpPoqMsm8wll_0WtzuIzjGB7sDq5N7HS105Pzf1nLyh.SU_Jc8.GbO6Dg8fqLPZfS_Hkl4g06i98_Xs2tIo1Er6BMimxDvA8scRPA3GINtE.QkmfR8NlAv4PkwNqN0HwNvG6EB4wijtuj1.0FSSl36yQ4uRXFAy6_Q0zoRi2hUahMgzYB6efnZuE9M0RuHSwAFP.HbyhWI6fJ8hQQbdxdpQH1KgSvyvEmbx.sPhVXL1Vsx_GC2S37WPp4y_ehW_tHMiUcQMt24q1FlZyY6ytxSg9Tv1e4lKG_x5VDX92bsNH6qciFTLpJUYxKn3oQ4RrVWjPd8CNLQw"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=9107b4e31919202e';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\/1985346270?__cf_chl_rt_tk=lJvwXKe_Rx1UAFibGZsuQ5tg3gBIBvDkZg8TMamuDZc-1739312220-1.0.1.1-Dv1lyfoN8sNgZv7_HM46ta8ISLmqJ5lG.emK8WSwFY8" + 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
