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-328983811750.mit-edu.top",cType: 'managed',cRay: '90f37eea9dedc57b',cH: 'aL.Yyg1fv7MrrNa80jIFss_6hhiCgYFSTtDUKyCeJ9o-1739100294-1.2.1.1-pK0_9_UCWYr_9BozJ.VhPDiZ_.ds8UzCuQkbOZOd1fdV5fFgQQp7lGk1nyuMqD2m',cUPMDTk: "\/post\/0743128659?__cf_chl_tk=_ZTpjsX_a80yzYeFN80zqQ9eqbli9OmXLOzeI0x36G8-1739100294-1.0.1.1-JLWC47pOrZaSlFviuGZAvRqTRdPWi52kqrsA5zA2s3g",cFPWv: 'g',cITimeS: '1739100294',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/0743128659?__cf_chl_f_tk=_ZTpjsX_a80yzYeFN80zqQ9eqbli9OmXLOzeI0x36G8-1739100294-1.0.1.1-JLWC47pOrZaSlFviuGZAvRqTRdPWi52kqrsA5zA2s3g",md: "F2PVKCEvKTj7FfHZ5._KETRid5vjbp1Yh6dJxcfW3oU-1739100294-1.2.1.1-211Dj7KP.VNhKMOo9W.XMrtCwBiUQHlhLtfBi.5GxQOArdQSefckcHDhfYkmOIIsB1l.JReYstrBngPbPNp22W267C0b1qCBNBvvcK2failydYQDJWN.kkkHvK3zDx_1.GBcXmIBc5J6tQMWgzdH3GR5PpVtUnXCvHGGdZsxToBquvNxkS_AlX06WOEVQGduJ4s7wE_IpCN_CbcThA22Kj8XiksNhqdH__hioxeEzfMQLWuobrOtjTNSsLo9hecKlznO23ENU_xQID2PaEj0uNvMmkmJ3PTZyJW4yMwnRTQn30lecJkcT71YMM4D7P2evjxelnlQj2ZB65GZoxtQyTGgRjN7yiZL1H1mnv1eTgJzsBLrxmq8WukditI2vIaGKmuqz4LWepEVHzE6fArtaXcHxRlFzwlZ6_ldEpeP8zWttgFYO4FApUDQ_PAbxmjcOCY4_okbB177wjimZo2E3oAC4Fg9sNe35LRxgPnk6v77xuZ5Qsz0IQOBtDBjox2kps_tg8RFkQ_ZV2Ll9law6aO7JcRMtEKt.zjfBi6hEbOyhSfNXy16R_Pb1BBnbBrB7vMxB2MkU.hGWtbNfQFZbt_dewwnQdEXXYDK2aULI2.X_.u.9COtkxWEgXZ4WrNXPcehgWrQs86v8TJmEvPbPB13WirKBmL.lB3rd2clwyqcQRKcuOhPxBHeCRNtWcJ19WvYsjlh1HVYnWYIqgaHHOLK1Xa5YJzHAopml3_purT5aYqnpJmcwy7Uzz78UCdfhIZz8tUs1W1vqH5O1v1y2id2rYejCm6zrVoZijzWIJRdLJjOPjvz8rl7sjGxEenYHEN5KtBiYnptU.8Db2UoBRjCOBocZ9.CDG90OS3KXUElix9RXlHEOLib56yqcspLx25oocSbe6y1YnZeOQ2RgURSbRpRkX31Cos_fHhtBwjCv4sgaU4goaGBOf_hmlnC.Oq2z7JQvZYAsDtfELKkZsgFp0b_LpzB2PK37_WnDIa9fY4YGD7LkwsleVv63QEhE3vNpcpLlh5OwPkx_OUBUsGc.jqyj7YWR_wpjyAoDKBXnljBThW0z36MvyXoqQN7rAJKUSHzRNy7mEd9zLi9mBJEMxewIhFlxdGoWRhD6.KX6zo2SguS0bWmUq1UIXAKvVlTvt_Lz_IIEV6gzwRWsom4FP9rXau7QtUElVkCMxm6t2R0UawpG6Mba0JVtfa7l1bchkUE3ZfHmh.EHHS6vifInRqlIGqwMjA7hFYl7TRLdC6N1hAOqNUbFGrJKlbJ6BjglGeyslNugGBJ.1DCxhXk83grXFo7tuPzzKFwLW0oRXwEycxbuU8G3FvrUAOx.WIJbzJkBYa_ku_0u.PgsD6kpRyQrHzMT1URN4V9ZCxLy_.WBZihbBx0nO4dvGFghSC3LZH_EndeBll24ehE4r_J1PkPnsQ8EOiBsnbCr2Lrdq0.ffiAFi2HK6xFqFMt863D5cPDWaZBMJnzhNkiTTe._CyZX1NQVNA_Xql._ADvlol12RUS3gfFZ7h4N81Bo7xziu7DaNaBceugxltGgmHfqWQZqYVOx4447pnNwwcklVf5Yc8fjSPm4CfAKXjsVf._U4WZ56vaonhY8LBUePxhv44pvs3av5wCdJVVwCh3dHvuHKXNeaGcc8V6ayrLup8xYqxpC3OtjPkoavTUTlanGvtgsCEIolSzAWrvccE3lf7rzqxhCgORvhaAlUbUO8j3OnAvcz3Lyws5fijbhe_6M1Xf8eoTL9XYMHf2K1laefncEDyQfMMt9HIYWdrCYj6OECXJydaCovhbWVKWF6cE1f.ICdYW.ZaHZ.ND40CSTve3KEoAhyxu4xfwFMGYKcxdOpnIZcSuL.YOFnUA2MdUTSVFeKl72bnk0NbBSaugWfII8JKf4mrWPd1RZZTDcHHLMyCOQWnEFWerE.TW_1lq_o.ymICc5zxR.esZx_lLk8HRZAttRaNXKnMo7fNWYhF9P3jQLtVyAK4x6B4biiIx8M.BLAypdqZB2s.SJw23DbHpvhdzvDKj98y8WYYhf1DTWR6BFFBlcN3LZBnei6IPxVq2qyXSY.vT2W9M_KYQgM18cRzu6yDM6YjW65mObVIGKFwlNl_PCi.MpsfyzzKZ1vRL0EOvkP10jXgDVifYRMA9EarZyqP6BkWshxqeZYNjBxtC.v1S.NP9TaheHi1VnFmPKLRpiy89sWYOTKLubO_NZbMqcby7D0xGv9G0",mdrd: "gST7SvgvbnrQiYywovDYqBwSwIx4IM2tTY0uBKhyTC0-1739100294-1.2.1.1-40zSFh2xnEbcfcNUnRdK8QqrmdiPQaiA4UgkzJbxheuK43vldXRNubBv6kPa1HlbVMk3r_3zTSIHqPhpS6Lvk3ri5TflMISjO1JIQrvQtdPSdh6w_Fyb7KQcsWJK0MDRuU73x7RR1nsFkU7J8UTQJXRvz1AweC03nKdGRnIrfvqom7EiPNsuC4yAix8qB64BaNjNTxaW7a1dz5YsgYtvubMz6iCPUIZZeDaHkXDSBxEeF87pjI7mKBGL8u_uY7wcroDmCcstbHDujtjVzm2MJfoifXYXRHeuD_I4f6Q9RKhocx_gc1Q8lpIbMmScUfnbqp5BeERBQ4ZTnJ8_ZqV0N66RRZ9LBeogg3cjDrY6HHon9PNQlNizpBQPo6Tw83XzhO04bwJVIZjXDtTeBC3nmECd46fgzG__v9_NBKfkQOxzqHRh2qRjNlcI9HMt_8tuBiyCIO__NONhtE6.Z1WYXAAIbSqGYn33KmDa3_L8mROSAWi.rR6E6k.cana0mXpzA2MoP1xBrYV24DULRFOJ1b_YdIos2e6jvbUoewYljTo78kkY.nqS2nRyc3ma_hfQZN.Om8Z8spkHtqq59rFPKRP2xWcIwqWGDx3cBNXBVrAUYhkl8q1fv5ppmfGfNwGVlfUSB3GmoNQCA0xYVIXh9.MI3IBdffO71vCnNNw3g9Ggsgd3y3Wt4vMi8W9q3ZQBMyfqW5OoLMPNXJl2gsbFPx5.Pz.rH2tGN2IvtxN.yUEgfKZAsHI_AwKqU2BfMcF80abNYVhAfvIgtWrwu_FEs_PNuVhMG_CKzMw36RgoaCPCqk6CR68EQZUquUr6C4KfQjYUhr74PAbyEKurmEqS2gp95PKu1vkGJn9f.Nm7OX8WaaxZGX9NxHTR5E8GDtsb7peTpuAtQ6OcIeVjLon6ZTcsR0MmXw692mVrnPlkKoWJyUUS65CjTQ9NEfs1H6fnnBsQjZUR_wB_serqfFNlhySu4MAhbUyMTO49gLcdLNwyAzGGl0VOqG5w72qK5UPAj4aoftOK8Dwi1nCrOJEWNRSYx_yO.3vGP8lxBf8lq3O25m4vL.ulgTy3m8J4Y_58Pi1HEW1Lrq2NL03n.nStfGM0A7dRoRu9FGfkTibS2OFo_nI1UFy0cHtMVpcr5T3TU4_CNHJnaINhieJTenxxGqO4NCukcXJxu3SZoZZbC2Cb08ZdvIq28fsywNPLUXrET7ei6.MXwGazq433YNvREZjSBofJ1ySsI1_j_tJ1UaQ5gNP3AuYX5TeOjB1YZRk6gI5MQ.WjVNiyUlqOH.zYT2MtoBsjwIhO1ZZ3xT3EiiPXxOF0Kbgk4Hvmp5UOAwIB9MkBNihNxysW4npPw0qGiH6Ep_LFY3WTthitnow9vz6Q2H8JjHxRJz4Rx7Y4_O5sGbVrYke_pyXoZ9ImLEooYEWoWZWq6VTfbDD1kdowrjBIh4yvABikBFLjqmxwxgJjS5YVpOw9AjgN5aGEGDJNdND2yPD_osWaXb1.7uTAu8wOchfttm2JLJSK7t9xa0NEGNOhdzPfsieW1uaqmFF1FWoP2R5WmaRbINmvO6baMlcuB6dq94BJ_oS0Jje4x4zJu4JCR5Ls3k2niRqU.4.BlESPzaTs7eIfyQcjkTz59v6WIpsOH4ZB8Lco.QXXptAGTlSk1t3tazmZ_ubGlJoAb6xOEwVHTgBY08zcu9yNtvqmtYa1.3nDOpl_f1SzEkQZgyXSF3XDI4PUGfY1I_AIZay4jZ_9VHyKSUHJYu9PeYd1XTpoo4UJEJ._aEk0AGOREOiNvHHU9oVHZHc5kQ9W_fpldisgDMD7O30iSE7xur0"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f37eea9dedc57b';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\/0743128659?__cf_chl_rt_tk=_ZTpjsX_a80yzYeFN80zqQ9eqbli9OmXLOzeI0x36G8-1739100294-1.0.1.1-JLWC47pOrZaSlFviuGZAvRqTRdPWi52kqrsA5zA2s3g" + 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
