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-125325460884.mit-edu.top",cType: 'managed',cRay: '9110bde34e0820d2',cH: 'VL0euRo3UibjrJF1zr86xNERAG9CjEI6A4_guevpEtQ-1739406961-1.2.1.1-6.md_HjeIls85y_NUXvLqO.OhtC1GGTW_igWetv7p1L0YriNdD.38vCzmav9lxS4',cUPMDTk: "\/post\/0465183297?__cf_chl_tk=mDNmGydcnuxd1ePnlufKzn5lnRHhciOTkA6N0Nn.bUg-1739406961-1.0.1.1-UWeSRB.E8KpoRb6kpoivooQ1hPj1oOcg0Q0imC.6CHs",cFPWv: 'b',cITimeS: '1739406961',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/0465183297?__cf_chl_f_tk=mDNmGydcnuxd1ePnlufKzn5lnRHhciOTkA6N0Nn.bUg-1739406961-1.0.1.1-UWeSRB.E8KpoRb6kpoivooQ1hPj1oOcg0Q0imC.6CHs",md: "8VqeA2BsIwN4YdI64shhEVRvTUXoKeIH1s05xw32OFE-1739406961-1.2.1.1-irEB1_jCsr6wdvlKgZOJM2qVdgzuEO9Ocwr4KsVY8l9z_gykFKmgjSFmOS5gWfYt6bNf1x53Q2OzVhLQF1nPY85zaKj02iVwPAExtla8_ehpDq6pieVZNQSwl8BoUFXm4jWPdpEtefYMNhar75hFneCPDNiKhNpzwIualtayPsTHhG0VfwW0NeyU5lmhRtuIpixIIwrrnA70GMZ3H3KPxNmN5kee4.oFRY0pO7rgEAzPOZrqD36ja8K7rCeDiOrnYvXoA16cmOemDe42w874hb0d3cOEV.Fxxd3YHPz5bCIjwJcgR09N7Bpz8afwfz_pnR6JW6Juix_cAekNowms6j.KXj2aSb2Q9ih1JgabVvnj2.Hghb.uXYsTpUfI8VigC4Gu7suJZfNOZ8POW1ebWkG8ffV7Jhi8CvFkW1x8NZTNqHcnaOub1hh0VIjm5qiEie3elWCrW2O7EeJCpkxpzRnS0GuJhlgJJLnjghJNoqW1v45xd5UPHQl8UWWmF49IABg1zGA7sotppUmIROrqETe7mFrrqYC6XTlJaPc0uSZgaEeMi1pOpZ5rvy9Cc_hBmDGdNcz8D1z8kfSaop.mFiPHRw49urWiR6GFbKCgn4dV0T9GRVE2JqtAIc2HpwachuhFpPIzY_A6imBCx3SNShfRZjr6SX7L8bvfmJPCte99cEolFb3ox_Qp3YLygpeW366wLtTk_fBcoWkDbHa2ScPr6eLVpIeoXsSZ9GpUgZY7SodkV_LTKCFK8rMm0cKJvwuzcyEj_YuvC4u9aqDQ_lccglu3OAdeiwjtFlWD4Oer9sEJK6m2izcjleq0YxNlqpFZYS6lJduG3A1W6ufkFQbxSE_Gzx.nqa2Jfi6UtHGCW5DNQ0.sbu5nmNx_VfzRD1rYLJXtYzLu8qyxz.jDQX3JWvMKhd9a0q8Qg26QnqqyDmAe4HT1PHeeflFHdv5EY1zHxhu9JldK1MybRAjNKsoGdMwCcG83On81lqNu7EiWjXKqp_rx72UBmbu.y2zxkbuUIz7nC6zlYEmmK85CUCTuGuPyEIyWHpxHR2z_pdEgBLVDuUm.lkNi28JVQQWag4jDBSehuuqERfOrtwxPqa524iHgdF5irN8nN6qy3y3.O8t5zP4zfpw_v_13E7FEBtBm4CTX7HZxl2bBeFu0sRlw5anH_vN.syAp4qtShUTkmx.20KjfhvN.z5Fvu2oVhWitHWeHj3xfFp8Ju3oYxomuwoVahuurDkmDjzkM6ZTyfKIpTEVN.ybcvMTkAbcsm227a1mPAe5Vf4OjowHS4FSgqdtfN3m8JcGKP3wDpbFdwVxoZlYNj0dgUaFL.YPEbWF5WVUPhxnOOtWI0nqZyda7EWubPViEEyjZGB.6.4ZrKIxg.SEuTLFbH2owSaZCEEjAwfq2id43y7XPVrBXW0669LCA.97f8.FhzLqkvORH3i8v0YiWBsS37qVdM2ySY7_AjKMpvVV5WqvIWgc3IOD7QVHVDWi8cXlQILDNHF.j.HHkLaCxSmV.NE7XDzrnAtKOOaFEfMcgKMbUsrgpeGKIaoidv0Gw0vJfvEMFyDpWjrKExVhCqAsD1c2tc5xXSBaTSJ8qFluAUnaNzm7V8XyRLt3uqqE_LqMh9SUnfZlZKW.REmiu62Zlmq1aIEE4dqVm4b.O3yqjG..L.cfKEvyvdtrOrTrKGh92NIycOOUd.8nqk6b6kqR5Fx681wdH5WK030iQFLC_bJ4knFyD.X.wwSCGjdFnc4lZFYL6UST6xRjT7880BJXtj8MlOX8j3q0XrI5zT8qCkWLOyOI11fQf0zCbK0mSvkuZPonqwgIAUBJk.Z0kmSMdTk53Wh40RD5Hk2WpmjjIz_GFu2J4uDPbdOWgsjD3e1j4wXVaA0Yi7LFRMD_8UdsLEcAiq1ZevvgvqD4CXJS2xtQmpBfd3sjaokCU4l34g80QpSzf4yNrmIMgk9ncXzD6io8w.8_ITDE60VHVsbktbubkS5P66or0988wBYRmAg7DgleBooOQqR0hoRmKL7VzcJhd1.PgYThuNNNh_R33VcWNjvaPIT_d4Lth8PgvgLXsTgu8exGqe3wzCcU3oHEAkXuw_ZNXZCpwiNhHsujIe17pguNX9gjJAW3VLV7Bq3lpQPsKrEkm6pJtm5uCgyMRJtKlyGln2PRMWc5hzVOtGPWonzir_qoArej1mQhB4YL6uHGaLcz96GkN2jN0aHgLRWiE20Eo",mdrd: "kWXobJM1nt9xZCfLEJ.mps36ZgBjSXg29a4DVdOqCGI-1739406961-1.2.1.1-Zb5FuKkRu4H8RxMWA8fwuQimqkwvV4sEQi0h1a794Xxb2Y6HspRxtzBrTKF2LJqbSoWwq9beY.sth9sgie7vVA0DJwjOtKOzRf9OgPFqvz.x9_O5F.a2bUw7U8SKmuU_eE34PzCPkQSnxhqr2dgT2qSvCWoFU6dLcHLVKj47fNFdigIy8bNtA_QJu_IepOa.YMSQMHXE054r6Qp9BjgVnFuh_yl5CMEeVlgkFCHLpIM5bU01YNHjUgDgRfJJaCo5kflk.mtSfv1F1nVvyuQ_TfdwyjK8uwv6JpNKUB_mtnJ_BKt7q0n.4j1uW_nCB2unyY52A1TgPZQ0C9Vu.4oh1nKicN0W6Y_LT7V43XGXENPIBizpgywJVErEs3DoJPnF7613RoYx8F0b8u.uSNZ.038x8PvUEClouktz3xiCwEwS03uZIM5NG.lnkvLwX77kJuvwQt5ZulEgg13S1pzF5rBeOIk9MECD3D5xcT.GJplgPfPTqPgnk4iAk0Pel7d6_fwRY1NqB3YUt0FFXlNN8BWwa9LADvTioWwT0Pr5kwqpEOfhg4TpZ5RUs8cDageozrnFKChKvX_Lr491ppFBSzVR657TBhS1fZbYZUXAQzd_cx4FTM33BhIHsVSDkTi0zhHAuVV1e2iiitiz1FbG5hkr3FTamXl1Q9Kb.2P_9RFYwvoIrtnPyKgwo2KXxa397zLSQwL.mr3ubMG9vh3f4yXcR1HqYB64gtXlZptKnrKjPE0aDrsi29aQYygVyVHa8o58VdOcQXuPj3ecOrshDbIXiw.9JomZV0VAbgostvVGvfWiokBiU2r6WDS5oH4Y9i8ATqb09eLbpjtHumQYuKDAZ6jHeK7uronpbgtl5ruVd6u6C0HeMwIwP1yt.Cb4NZ92d.h5.5NYkIt9GSlNDJMj_Dt7mR5jdexbUokWYlmxZp1HFrL1V0STTBtasnnFLd2mU_GGircJDCBo95Q8O9mOSEku.72zj5bVlCU8eZZw9FN8h9umRs63aGtV3A.AX4Jt_RBX655QL1p2en0KfgPzQPnrcr_CIdyNIR_t8ivRJcC96LIt3p58tPZ8A51wMIGWSCQ6SRw2ZA4LdxPftI.I.7odgqtCa48hfgafp.6cyhAZT2sGxwvnZ.SxSQiHT8d0lp6P9YpSlez3fjdVFBmmWp4RCgnL_RqoFqBMvfcJKX1cXYcg8HFSYLJr0VJ03A54w_zVlXkUNZxjaK1yTjFZd6IcJ1BiGSWXcKEcYglDQYHjnqPtPxoDsJywvwQT3yMbFkKgKF0M.9W9_kcm982jhlKGQebV19bFgopsQGAhC6jnuyprj1J1duR0NoMbC0lTyhvXFcf46b._2bszOrt9ZoA8u7uutSJAMb_pk499l8EpKtfZqw3yHZx10DTg3RX8D26ajjJEicF_9vZluHf.PggCG5CZ3XUCP1Ce6KHndFCAnM8rs1zAfA6oC.fnotJn8ZcqQH_OpJ2LFYAzQBoZq9bOhqIm.u.guIeLfEJie8.Y0ht3dDGS41NW71IgOgGoLYoLWgiCItQWpiOwswCppXj1wdJiCr7hTnzBFvix.KIsFwhEEB520GqHzGMM5kGNS7aAiHgUjQ9pB37k2zMDUjz.DLIMOBF5ydkQCNJvQ7ankBcugfCCnI2P4.JOZ6.wkHVw2XBGt4ieG.Gn3Yx5IXapAaY2W2oFiU.HinSan6U68FRkiqW555kdwQcegpzoU2VM8dp1kfR6P2gGiPhRf7TEqXhatNlcatYBjK7RqHEIJxGRwdSY4mMWOHMJwA35ZKRH05EVgbEvSGXoUQ"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=9110bde34e0820d2';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\/0465183297?__cf_chl_rt_tk=mDNmGydcnuxd1ePnlufKzn5lnRHhciOTkA6N0Nn.bUg-1739406961-1.0.1.1-UWeSRB.E8KpoRb6kpoivooQ1hPj1oOcg0Q0imC.6CHs" + 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