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-affxruir4.mit-edu.top",cType: 'managed',cRay: '911050e8595f878b',cH: 'v67rTcr8Mm05F84K4we186vDPh.zpK6Rx8DomMVhCX8-1739402497-1.2.1.1-56pbwMLSyH2NocLD.OqzGrZNssgetsO3GndC1jol3bQyObhsmMmf3UGDbY_5RUtM',cUPMDTk: "\/post\/3509867412?__cf_chl_tk=pvTiQCB1CtD2P1UauuCSZdlR6PBUGKZ1HWSqeIx.6LI-1739402497-1.0.1.1-_qmzN4zvWzgnjjsus9zWLVhBIfCNi4eIb61hhkG1EkU",cFPWv: 'b',cITimeS: '1739402497',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/3509867412?__cf_chl_f_tk=pvTiQCB1CtD2P1UauuCSZdlR6PBUGKZ1HWSqeIx.6LI-1739402497-1.0.1.1-_qmzN4zvWzgnjjsus9zWLVhBIfCNi4eIb61hhkG1EkU",md: "XmPh2dx13KlOslvJJ7Rr7QnghLJqztbI9UP92.TreDw-1739402497-1.2.1.1-KnJPy0gBb6x7UoUrWGwJ6Aiv207.vbSlDkRfvQw7D9V9ArpkI4b4mJyq6jqnZ2VUwaC7lWhSZzzx6kLFxsZfCfSQQ_wYRAGuaKTZzNQ9X5CJUgN.woAF3mdkwtw9M8bKLFr.ySxs_aGzrbMNYC2X2kiAulp8bNxVIKwPKANQP9xJ0L9IHXr9VfkZX4bB8Ws_B7l_lEx..o2ihAo5M5FCUqf9BPthDGuH1OcEBY8ml_vMSJI2Ldo1rCFr3JUURJToXhFxgc.SEZ3Isye9eFgoRYY7k9iPYyX3FyAf4krgCnKEFH8dkGLuKmi7_DPssSm_yItwGOTpFbKI9N6ydbnwNxt0rnde4mur2yJ8H8v80WYPU3iAuScKlJBsh8JIFCLiAXv0wmpZOi._L13iZ8Zbm9q967RGq510c24.DyKWy.Q8YnTZdpT32tLgLoAzfidE5QjLuxa2zl0x6KqNNhNjjV7PC6p_d9cT7f4CafNctZvesiDEaoF3.ICYUa4Usex0aeq1Na1H2LlrUcjT6.4HWhPi6ZigN2md3SPkz5x6ER7gSurqiH6T7aoiMDIK7O74YqnRC1NGwGdHFDQF0j8pchsLVd95tS8fS0TwofG9ypsR5FSVr.a7jsbZr9Qh.UqeRGUj7kqBlsyPiYPQcfxwA6a8OgCu2CefqVzbBMqNFL4Bje0yzR8966hA5Iey66Nlec562nr2i5lrqKzt.TiF_EDBf7Fp00_gQ_5Kj.v9lWborRp7zal02rt9G9Mi55_fdr.eN7shCpHhyaP84WSiuwqSZA4LTwAB1OfNn5OS3_BxkbvOSEtkj6xUPi8UXhHwhI.0gLxype8GFaxZ40XJWZZ_CTAvzUHt9jBJkRES9k0VZEleK3KvNffFZvZhqpmKWC6EEFDS7V8xJyZ_A2FL4J2Ms1LShwRLc6hqfipb.ZYq_Glu11ogA9IOPl22fVcHKZE5rH8WGiHFMQAhAXL2eIefuAloZynHUeAzKGYCnB2.EQTifGrEfSoF6lf0iWfq_mQXd9O9nnEu8tq4rPumIQFRYaRL.vi2O.AFGoZocZ5pLcnKX0LDb5Oh8YkZlrUj9QoyQSze.NIcIFysPYBW44yDIC20M65dr8mP0j2gjQDqtsj3hj9hBa6PToTygaW6vg_qdgz5oO7PuZTQYGxR4MyHLshe1qfxXKWHNJGfuA4U_pkwdhYE2sw3GTfV7ZBLGs.V_iReg.nOp.ik7Ujg.bUYDM4IWPvlk_LbF1qsdPH00VFhwhRx7cfV0skUM80F7dcmwc9j1dhPUPOlJqUUI_VFK_67uQG3x49PsOfe5RNoB_d3sJbvVDyfUmqUSbHl5YxZz2iN8GoLTZPmRJRnAtLngkYNkZ6gEb2Hl5iNlqI3iTokdsgkEi0n_CkjfSthDRwlqOGdjUq8vDnir9KIPXzdTfMZmwcRMPQpusD_SMaeYEFY4Ccq9cWfCezSIAJWIQdYKiQe0zyGJfDRXxMSHIdCosxBK1P4ym1WiuoRmXwNheZiO2Oc8V1zvmc4j17itwYkxDNmi52t9R4F3UgsBENV3Eeuk64Ciw6JK4CZbxMBOUh1kC9N91dz6Y3cpDJInUet3HQJp8vD4UPVbSzM5be0A54f4HrPKNGS4wCMAp_Ji8M8CKsx1ZfORaDVV1lHlEkbf7zzSgnkQa7WfdY1h9dc3p53tp_zi1Regxl3WWJMzqcDw0PHZZp05fvg.D9OOS1JxNjAZWiS4I1I.D3ZmKyi1qGEReoVOdnQofOaktVZJop1E5WN.gAVbb_OQ_JGXDTdkVUTs69OSe_kd1D3OLSJOsKD95LstVs4jbBkFnyPQigmFQmw5YCWVdFlY.M.1K1gEgxFYwE40ztEdjs9kEzFGoV6yEB2DJ_Ok03I21adR0JxGJeUqIcegQt54RziGmBizJkp_rSIrS1UZD7O7IBMAlQEQ_MKISrfuabAaW7f0Q54a.acofSEhOB0Bd.2wMe.BPsvbTv07.JgMgJobKPXCVDmkxcF_aMRSbJk67cK6G2nt0dPnR9XBqTjttmvskhJ7INxvbr7oYluwiTr3Vo6ZJC51KT.hY5wR8EJu924ZY9MUgQZ2QCMxtxTL_.Pt4N2.uEsk_DIss1RNQoR2e6f6myB.MKXHxG8AAYdn80xoukMEl5gwiQB4H0_YeznkipGVAoSu85oZPY2h4gSz_kpJTm3ablh9y72DodE.dLdnOEaDTUFoeVSfYm7iKdq",mdrd: "QsOqwcm5SMhKJkAXDcVjwrrFCGbL4vLoUY0kiToAhFc-1739402497-1.2.1.1-juXeZqFKcn5TXBGX6S9flUtVkUQhRxSvvhKX.F2IYKILaIaaq0918oIF2f6zO5BUspMFwOPS11HEqDpbf6Dt7NNiAYxqNzKaF3L_POIAYkC3RkX6EYJVFCk5LZ.E.3iIe1b1.zYKLLYu.GZ8hpbt56nq7GFDomipWiS2aIWRrveB1_lnsVnnKP_j5zmZqYJRjefUqJbqJ.87OSLlPC52GW0Kdn05tpIk0UE9bAWgVrYoGcesvPFcibr8SLaTtNj6GQ_RLpJRvvmYXzRuLw3MqP8n.cClY4bUz7Xb4AlKYD0tWFdrFrmt40x2ImWTM1Rz.PMzKxJYgVTg_aXTdhf0eNWtTCmpfXNkp92Te9h6UuDeUrBR8a4A4vEZAXaeDPdDfJ3262ciYFuzEsNGxg6nyXIO.PecHbkkM4t0O1AwWVNpublefg2qAEe2rU5J6wLJNzTWkCsQmpvuio2RD94WGvf.vDZyY7jXDYxMsnqjGn0l_vfwCn8Wjhbrcd1LXFZI3Wlrw6D07fDg2gHdkou09_Df6USpePdx3SunkNDZ.gmgu8TXr0tf2X8cuKemR_HrslOy36_SemVMsqrVaiHyvdduNOBP8mhAgG1wKtYszNRWidGkUoTJlo8YVOEXkdQqiPVhQCaip7cW_FdP3DQopCtmvZ3AGYjNlaqFz1Ufzs6bLeF_PbTDWT4FNcC68bYPrRSKm.cnkfebzbkF5IrPEXq1EmUTTsjmZV_rWVtywoju6uu47qHRh4kaV_5Qna5tdAAyUw4BirL9JNta2VWgDi0pWMoF_t3Hje_fH7yxtGlYkfKWSuEdcRpMXB3nGngqrXkXs.VuH0cJL0qw9mufSuo2xnMOcLZefySQcQazeI3s9XSyxkTg65gCnopGmVtu1jlT6IbVTe9IEgbC_0dzPBXrJE04B1LqMAbpyKWNxZGuesdAR3osT0YLnBe1mAnmJyQ9JcMd7d6qF4HY3ZACcZiifedRrtB6nMyGgYQS5.dwaVPmyNfqWs58xkoZGxgeODReQce4YFn8UIbfN02x5Rv6S1xE0ZnPzKT.Rv10ZqA96uWL5R.NXcRGt3nBtH0kncSjWKfax3vGZl8Pe1ExzscM4AP45orvShdXAKRdWEd_6BTNQZK1K2M7BdvfYaM.2dLNdY0pp.fiOMDh57cbfDli52Uzs3tntEf0t.6_wG44RJaGmb.Rku6XiT5tz7yU1H8lm6snPJ3vOwnXujOnygWkXkRi9RNxvsbzGHjbT_CDtll6GCJS4h0HoYJH3ttUxg5g5WGnVt3QKLotukxvn7lx8Ej4m675E2gMHpJVJSPtf9Qkw4KGf2pD8FyI.7MO9hQ8JRLdYR90oaEBOdOXFo_RVcap6neSXt4TekskrXNfjMoM08askCfnANBhtdw9ETFo5IIeJNTDfZRLAcChTnG0Lhl8VMEic1pnUW.4acp2gQ5qchf8iEzK.zDkdpzUlIBcsTAZ3Pgg2YBYwWL0zU6Z7xdZge.TFVCTAxzVc4hKgSOgz.L9QbPCtTsGd8vvywaZoGNuKd2DO8TgnSwQ5fF35P1.uUQeAk2kzCjR1.ymMcbHdWeyMVkUzjEBLEyNbPl7h4w_sd0MN80OKTaeCcsDHogN6QR3R5FgFqem82Ll2jyHgXKJJTkXsgu6CpcH18sBgDekU9MDz68mC8Pb0ZeFBUABolWUsHJDC4tIWWr_YB6C_aLGoozUAsrDFCEA7._TvimScZYbwv7qmrDLuQNbjmsYmTjUwq2ug_JnSoTU2MxChXE2xQ1hrXFHGjvA9YHQKJ3QbSLy7cVHHuKbAV6oOua5.6b4wQy07GSxoD0"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=911050e8595f878b';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\/3509867412?__cf_chl_rt_tk=pvTiQCB1CtD2P1UauuCSZdlR6PBUGKZ1HWSqeIx.6LI-1739402497-1.0.1.1-_qmzN4zvWzgnjjsus9zWLVhBIfCNi4eIb61hhkG1EkU" + 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