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-016086672004.mit-edu.top",cType: 'managed',cRay: '91103936ecbcc993',cH: 'tdrKKsJ6SMbHld2EkoLexXDyl1YKCwBSzBUbXn4oIas-1739401526-1.2.1.1-vea0qeaMEDlk7cSHttAFEE9q56n6zZjEOey_YistRMOvYIntGKHd9ASnpKykQ093',cUPMDTk: "\/post\/3726405981?__cf_chl_tk=wUtaJVZH_e2gHFnsEXlGWdqLSWpLsgEY5EGXg..8GEM-1739401526-1.0.1.1-_so7qvI37rNph88wtX7lWy7cgFH3lqE9AwNYP6rVzuA",cFPWv: 'b',cITimeS: '1739401526',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/3726405981?__cf_chl_f_tk=wUtaJVZH_e2gHFnsEXlGWdqLSWpLsgEY5EGXg..8GEM-1739401526-1.0.1.1-_so7qvI37rNph88wtX7lWy7cgFH3lqE9AwNYP6rVzuA",md: "lFUORYOnDNsodqkSHgPZl2vRbBJi4TUzbY2WcCoMzxQ-1739401526-1.2.1.1-McsCs2YhbPoz29kVVb2sn7.tGEEK5xClzI9rmwf35cyh6P755Lm8WpJbMzGTNxFR36O5cdRx9Nchz72HS6DpsJehO2Jl9P.VKgr81NmL2sTD70eqlpNeMv8krGTt3_M5G5cionZ2vJBCKmDQkEgYZ8fscFFTUK1f0h4bA3TxtW_.C0v5GSepX_.X7RI5MBbhXgsX8gtJ47evZ14pvfQRNjUrFA9NHFHNaNMowo99irHDFN4enIlquf1acG5BOkSU9nit_kEH.0a2JQ0NZ8b8ZS1HkoydbFQj8U.gOoILwVkn.Z_AEhNpTUupsLSIJZlEJND0VvZZ_5HCrA1oc2Rt3N_Nzqp74ufOo5NMl1b69fTDbfRLfEWlJwQ7.bue.SjQQlCT0REg8EZb9hx5shT52.larTo7eVTDFmONsq7gbYHaLQs2P2TJxtL.zALMin3Hn48y46fO.BRayIRsfdbosd6BaN5n6sc6yQB1cPdw_OpQgNH9SLL7CLM2V0twZwz9PhgUc3aixp5T9of_87RGS3.unDhzEx7d5QlmlA6SDlw_UnrXrug6L3.F.8Y2NeH6zBuFGUPX6skWcJqoSaGoSJ2T1OhZgcYJMMVODBZE54DfWfMtRWLSPRVXk5CRVjtYwrCXEG3WzlmNRiY4vQKT5g2JyYvvFIZh.ag_rAcEY.fAog1wJBXCZ9grxr7xAxNFLGd8SGtNO8XTKcyxeKb6A3lrJpBWXynggBj6p9LMmVXD2.pFjki0YKEcTOtpw6I8hhpvEX5k5iRw8sv_x.1IqmkBHqQxwtah_xsiyQFHk5_t9OHKCtLHsgPnJHh2heSPe2BTjyDlU1zIzB9IIDlSyYEyk1qEJZssMOJgdLyrIzm5TbFtTlATUeRU1EZ1Re3g1_cbqjr1kMj5rw3ZcFK9SiUl3OtMcoVdg2BMy5NONGeTS8.b8dmqvXtgH3PfjRQSOPULt9MjUnAvkI744tjrZkVezsMASj32YfIENluL0FG6zQCYu2nC7fmIi3btaO4m5nGPMJogRNbXpKZCtDsV8AYuWB4jchgxGyvLTyC8F5KTQiruRaO_Trduh14cqbqkW4vOrNFGJFMf8AYER4jOh0EUqbGhMaveQmRkhBWhEMjwM60byGK25EOnrLRShkBh2TDkJAl5jet74oK6G9703f33ZcN1yLW60BdqNpaG14vgG2zDa9LsVww3OWgGshkVq2VJylmQaTiZAcahH8feKOGSl2LIn91XhrlV5h.J6A3lIpY3R3kLYrsMf4ChEJ.Vus6qVw1UR5RqHQPYJM_ryuUayneeNb1RZvzBs.Rts8XgJIv.Al.Bp9AnC_MsxB3yKVCmVWV5nS7fogGwF2.Y99kXzw4CfyjsYxb.Mjrlp_MefLYxwvYS8qG6DZNBuAJp9K2lkYkiEsNH0IH_ibQ8ERd_VKgkKfUsJVCuUtlTBFNu486OyIi.AZK0ixCObnwsNl7vRmf.hnlzzQh.OnHDz9XbqEbigJc2YxEu1aPKaAVT88AujCewC3cWyb_QqVc0XjKJj_EnyCsB6uf6EfcLc5SlMoEVpWS0mkS0dtn_A0kwjTv0bc3D5nJHuRzn4Z6gDoNzI1Gs.eYZb9T5_0qew9oKKWT8bMAjtm37z1njP50czGPnc4oH8bT6jE8fieSX0qxV56Z1KjoUQ3CfrIs0ixWdsR0ENFWSisdYi.nOZE88eOQQ6emMDHv7xqu7IyhADmSRSp95XHft1wdy7bjjY5nRgOjRO6rkBe.hcWJrQaDwt3oaJq862tpc3fQvorHstwYqoTOfN8LWfsazbLl3MinNlSli6g_cn0amUggBVrny3STLpHjgNL0oivf0Me.pZCaVu5.EeoG3grFCizysZBn7R5e31LutMzf329j5FVU9D0kSv5qTNx2DOxHWTUgl5473hIKMLCZbsyOaapWP18NkAVPAwbm33FtnclMfUj3QNIdDy6TIep3S7yinYNBMNfuvy5_hvQ4i.Ac5uImlkzYvWcaWn3S1bEuueF3WOt9o1GEKivrkItvisbfF0cFZKMeD8vJxIUuzeqNY9T6bJ5nnz_ktPaqoZmmQKRzrMRzV92Bnj8DDVzUzCP1joprVDIRsHyfOiYC0a7peHViG7AoxHogjyMnU9xqbSy5PIJhhc9og24C84Nn8QAhyHaH8O9B9iu.BFw3p1K7S62.TuhxKyS0_QGBmDjOAQfZ_RYU9uZbXePNDObWvxUCjR55A",mdrd: "_80EihwPwxTOrcI8Pft3jfZLgRP85qXIrf.c13RpX28-1739401526-1.2.1.1-FRh3OVttxPLPnex8X8BSh6Aac4jfQ1HzqkLaIcR0HdiqYE2.AXlKUc0tuobtVTNjrQ9I7vidRJA.IG18GdkKUtOgHg6kshF.DMNtWYiyEV2Jwleu_bOZ80KRlfl82wDBz7yDm5Dj50SlRFU5jrsoXLoMI6So6knGXXOfHur56tdNaEeNWIzOMuWuu5M_Ak63zJaT9S58wQ4421XvHHTpF4kbcQYcWgBGBZ4_TlScewRs85o5Dhp292oBqvvIF3HsztwZCJZfVRAsvxiwTeiaoxTTgj2KB4R59dMubSTjQz55wrixz5bpAnCjGg7M2nhXuERhozv9R27n5EQpqC93mTs7lCFkCnbTdnwax4L1gDegGsy34dfQK4ZfQsNf68A1JTMbIOgS27ccN0uToBBA7npWh0zoJVmaPZpwSHHGqlv.gbDUEAFTO281cDuFGg2LFuehCSia3cZvBuw7.8D8rrd1sfyf9zG9tmZLiXBplE1Y9YymDdsCvJFe0Puj1U..YCHnIGWsG4v2EbgYQF2zWoJZ4jEmnzyilNM_.Nsq2Y3uIXWFONth_73lGXXr3N0Qt7o4qse4.9oQ3tFGh7URRniYEw_0KN_WQ4keKjHeLWYnIOXi0iHSaaEeEtEhGb0rgeszbQFskOgXPN8j3WP.CHicJfuadGSC6jSr27WxLrjHDqB347Nq288Y5_htdtiByhb1cNM8q9BWZjjX0YeOv8C1meMDJac1N.wdDqBlxa1GVtLF3OQ2umJvV3b.CM2wSa27Ha1OmEkgSGeJHsgooGVYPuk3MJJKZvMOmmRQB21Gclky3.lnUKB45VLzGCdJbn9g91rKjdAvNYNqopWVaet7yXGxBWvG2MdT88aytZXrlJXL0KzXLfyNjTsGjjcN3t5iPgZVG96CCrB9geFBeFH4MJV4twCbzCzQy1iZp13SH3.SF7QtjDBDhjLJE8Jq2OGCSXE1Cp1trjHYJfPcpzLNBxXgPfPD5cKGfiosogytdP2zfkYogBnTMbhxlm_EOOQaxaB3pS6.5Vlmx3YN2CAMyVfvIxYUAsS8ik_UMRq_MCBe3SROHxWt5zqUb3H1OEQyAXAvKkQwVMNZxhZcNqsU_y41t7dRKF_M2mXv9NOlso8fbiPFV4GmTPumUeXLY48uk9A5asYLCZd61DCmeRdCNaL.f07oFWzrpv9sneqYDGXgHM2fk1SB4_UZqB8LmVxuooxtY5pa_O3muQi.hJuY.ysU8NlrWShR5_r1YOn0.1GKT86RrtEvdArh0qorLq9XPP80ldab85d_9IxEzP8t8ekwbS1sIO7PWt0qFUPaGbj6A1mkmVbK0PoOPbAyzss7lCqZZBRZWmwskTf6zuQbood3jJIZgiIL4fGd90ikVnJTtM.eEi6gm1a._lOURO9Gyc.J.A207.XFIfL5l2Inu5a3Ss3q5uQYFQklPbw7n0HhpQyDm5_2ozIuawa_rgW.FShdI1ore56nvcc7WKU6Br31h_mZyjH2wPkwa2Ip8kIKkfNulA5LoU4cP54q3BjXec1yH6S0Pq3dPeZzzVfnVhQZ1YMC4tDFjbkZix45waelaR9_pOSGoxsmXrj_SdNJ1A0xLNbGvUC5kfaWhwt4hUWvw5_qLeGEZrQbjyXfh7C6xGOgJVd6sc7MeLt3Au6wZpqrwcxq21kTGy7DifdsqDEIdmQpsabwaKu.0VcIvy4Bb0ebe9z3OFwgWsNcJYGJe2W8iA.J3HzaqIgCC9I.dW0MgQC93bDxwdhT82Ww6ux3cP8JxVnxjl0ZPyfQISbemSVAApvfIxTWDNi5Mg"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=91103936ecbcc993';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\/3726405981?__cf_chl_rt_tk=wUtaJVZH_e2gHFnsEXlGWdqLSWpLsgEY5EGXg..8GEM-1739401526-1.0.1.1-_so7qvI37rNph88wtX7lWy7cgFH3lqE9AwNYP6rVzuA" + 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