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-025057476060.mit-edu.top",cType: 'managed',cRay: '9107b76e8a922f18',cH: 'DQrV4DDLSWy0YqkzEHHX6XTj7LA3ulQh44Pa2xVjtFA-1739312324-1.2.1.1-yyPZuKCOfbc7MUUewlA.40VdLoPbV7IV5cxY7QaS.y3UafsQAwjlIARU.8tWxPjA',cUPMDTk: "\/post\/8246375901?__cf_chl_tk=RrPC6GmHo5KmKHfQrayrnQSiFAYgcdm0EVCgJqScKB0-1739312324-1.0.1.1-2g508d_U_ghfPOTFsinzSEz4jpMZqSU5suzV9xVmZLg",cFPWv: 'g',cITimeS: '1739312324',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/8246375901?__cf_chl_f_tk=RrPC6GmHo5KmKHfQrayrnQSiFAYgcdm0EVCgJqScKB0-1739312324-1.0.1.1-2g508d_U_ghfPOTFsinzSEz4jpMZqSU5suzV9xVmZLg",md: "pAOpbGmgmokd4issRvT71TO_DARbbFIpzD09GRWuW8E-1739312324-1.2.1.1-D916t0tU4lFDvm_irGa8gVRyVwZCPMV0zlRRXwCFlaG_owfo_h7KzYbOrJg7ITwgdlyKrMA4LPpEEzMMxqS15ZjgRP54BEoB1bOARsVkM9F3qZTzCPfEyOCq9sFfIYQG5SKLnMTZ3Pjb9Gf3i36r5R9m0IhkQVRY21VHLTHHT2gJWKzXnpHfdSygTr2xPDk2yYZFWVT0SaNoAcGgPqn0rDile4.NSM4PwyIaNEn47pieQnIlIxviCS7a_HKbG5kQecR5_Pi1fth9kwYU9I_dWc6bFY0ucJT8suk_fUWpH13_JniiryoHe0mdv8wUX6MSSqxP5e1MwsiG6sZ_KYXib8R.xVzN17hZ9KSjboxwIgAFv_gRR3kP.NKqofXHx8_YfVDibKm0K0ZlV1a_gc0o1Ug8OjFGO79uGH1pyuA39jZcrxKC88KKcuS00gOT_3K6vWnaQK7ONOCFx7mBIKd.e3l1Jtpu93v_P2cd0w3sCzKSlBx_n3vYilJxaGq4j8Z2gtxJQOMu7aLl6WH6oGkJI3cqgP.psvpdui.gJsKd_vmqUzQNgVTRF1qh2mM8AICl_JTBcPgsy2CRjm3U2ZfqTpK7F7j6XoOCu6KmTzoyXOLjReeZaAjHObibiHd2eLE2dk8xI07rbuDfku1C.faO.RdaDmEq7wt8Q7ZuoXihTC0m_NpacdbKbxFFQVtJ6VtigE05OJQf.CkeGP7ciRd.R42.a3Px6fWva0ImvPyKlM_4Kz4pab1Vls9R0zuKbBASx4jJOg7QuTvA3Ibw.uJbl0x7Tw.LHF0y_UlI4bDB19lWQfO8IJkHz2YwRoLZMiT_WrDRf0y4iXuY6uX.R4G3mU8sHu9vC2Zv53Nk.Hn4G0u20MSxWe9YJ8U3DqhvkxvK1y69uJTWMhs5BpkbQW55jw9yNAwIBSZN39AhPe54Pi2cHzcJtTWdoun5wcg37UkPjKwqhLEqP2TSCpcdnRDUeWUOCezYUD1DwO8_o6wg2K1OiFl67rjNXbU8OM1NUklZ9RyZkWxj_CRehzrtOSQXpkOcHYi5PgPWx3v1Uhdy76nGr1VvDDQHvdt0IuFpp43LzyV9Ibs934DPUv5m5lkmfgOhS2c9wbkxkkMf3qJ3mBRjtq4fivhP02a.mR.HHA4WoKEGO5bTvOwWk1sAorFoHwZqOic4b6CSs8zYp9toCsCVgl814kAemz5zaRRkN7uxI_LEm9dcvZR5Qzaj0SA.gEBVTgZQqGtCELeyheMb8oMN4T0gCgFZIDnBMvqemBwgkrLf40nX8dyLc1k8YMLjqSLLXopGx9lh_EWVDDdOpzSNdoiESKm1BddkmlWwIZ3UGlPMGBQRL.dmAWKqWShH9KDG7tj5Oue3siVGOPMyZX5E6eLBAuM0vqV24cTw7SQmxp31JlXZbWROtjrXu751WKnhDXL5Zcv3Y0HPrytsRdL6c.eTlKXsEQbj_sReaHu71QpdaXMjpZ9b7P8c_oPu0dNX3vxVFh2qtcjNOEuz4zZ1IwyZwdsbR593NCwWvD1rrH5m9RpcAUspj1il82h_YXnrTnd8uOsa21jWXk5RfAe9f8tr6aOztVVPoGjukThFaRdupVb6Q8CaTT7T1Fufqpx_cPFKjC1sVfzm5zKXM3m07OpWuu9heLwhr4bVrL_po58J9Of39LJNSiwHUyKB.HtRDQa9PX..fsa6.MnfRKucdEunXYJvNiNJNyM2k64sc.qzOU6dQePPLzWBaeeNd8CQn47EoAM3Huexzhyuiz0tsAvnBxLPI9bca8Eo2iRi49LIz3RLwHw0DjlrlgzoyhUAw4M9DxojYpd65CKSl8kCXCdgb44.LLAlcd9Wg941X1tu_I7R3nrvQzP8O_QxTI.eo51FTAWG1B7nHZCWqDO286hawhiNAinamnQYNtenP6lAO4f03XUjH9QPfvT1Vbxl4uH9M3iCmTQ1L0vTjU8rF6U8FagZAjP43sDUOIndaQupxWy.OLA.rUWyRnjsFALYMz7KjL4Mwx1BNnDeBz3wguSUqzT8bEL_9dY48ZtWt_NRXvo8i1mslaqGxpOeGYpaEkF_rrma0EOd0ZMsgNoOonp7u_.gCumNRGFm_rsoK10XqfEl5lGtwRIhe1ITmvJU7BCIH6KtRgppNaJV1GODJyj89V.58dufgKmXTWuNoVA702M9EFNIwfKbBvL9S6i5jBJrSGqemsWoiV3YsQgPolOTNPUikxqOPWCTOi6v",mdrd: "_ydkHmyPVhrDgIxEOrC9vpGva_xQtV1qTKvgqYbsu3I-1739312324-1.2.1.1-KbIJ.rj5HTN2M7EljrUW2GnyikAW6x10Z8xIzHvplcv4ultUoq6Ak0NXiBV_fbJg6eb6m7MT2.LG_nEyzxo49aiI5RImOsoXOHhmkHz8UptQrXgvHjfQRWeIn984P8dCXoQimxBElEhpBmy8tfjWZ3M4kV9W_G99Vhw1fDswdiADGRKaK6eB7CmexKmnbHK7TnZEbT9VXCAM9CMpTVbmmOif6i4pmD5owdPap4BnUKQ4Ai3TqMfi2XTqovMWihyCRBx8ugBAxm_C32dbTEHmiyHrVLgc_d6JyNUubHcbXkZriLv5Xu39nQqDgREC1DSVjOGvXtN6XJKnJhRkkdAC8b.jrhbPXBINeF5ARldF8XliwmGBqGaFutQ5kba9ujB4gibqQcGaLhqG7qwx3yvyKJU0dcfR6QhONlgNP8q9hkVKlQzcnoSeEwq.SLZKUzmH8ZhCkiBQGQyo4i56l9ZDdzUfmOwsH.JFn3UxhQ_GaLIupt94B8P1umEzVqtAyQFYzRMmb3sFqjGwC3H1Cr7QF3nkCCWf92Q7t6SG1U7u7yD1.SYI6l8uJDI3QEWpQR6myXlF8I5jo9srIdgILU0ncEFEqdd45I8rnPpp9oN5aokrrtfblvjKs7i_XCuiE_Lcz5ATng7mpy3RoFIc5VqiEEkcaixKMD05h.nAN_fkM9OwjQypwR01wkudCdN5hkE6G5klRpcsWrzWp7DdCwiYJq95NlDk_YQb1eeqbRj0rXkLVCLlvwRIGy7BOAlCRjnmjbowy4LSmFNsO8tlZoFCkQKBGrIwrnvDOuRtMbI7lcspeY7TL2s6Cp7XjbrXKATMebK7X5ag2.843JWFlVR12OrAO.ttJQ1kyyc2UhRgxqcPjrxZsUCkDoIwwgs8bNFbWh74wHInYaLOhoVO983DiTxSNmNA5ThhRKj0mz.4YyrJu_x7UCO3v1K7kIo1UEQBOJUgl0_OrjB_Mx37qLzgehcXDUapvSobfx8Y7CQPVcgWG4fzx9nbgYiiYAODbs.jIw79QsWY6gzYaWOEKrYCBY8gy5Y6C9AMr5SQU5LJA95EtBe6zzr0NCkw8Y4n0fEsMWZ9jYexsTVk3.au7XFA0NkJ8Q258vz_rV0an6EN6Oe2vE5npOndTwYcOVfc8Lgu1kRt1dCMNhILTxsI8t_Vtq4ow1AEcjsa8NxyTjViuzpjiCN8DRDqBkMak_J1_QB8uV.6KbGcYrbcGlcURpwAgPdIupaCGIQEki6XOdR6dhpvjRkKFtjRRyo_kHAZNPNVhmYZZucjmrn5eoC_PmDCUV59S2inKvZJbte4hYfEXAr3omh.HpsE8vH0HQPhVu5AzT6igABTb5DaOVqTDD7I8rvofPCYXflfEak.x1QK.tK73i49pbQZahommk7EmfmDzYBGUFdSljzY_8yViGu.EDkyLQwWK3hhw.gD4bEkuiP0wWVcWMUEfB5i6L2rPMtr.SBrCVRuHjdq1cLetwI0qD3AmkcUc2IIALJe3jruOzltnVPO_JAH9LdztKzc3.IJsftVpqmeFvHvAItx7xwIMDr_raFnLkeJRa90Qwg4HSOU.6FVzv1irmJClHBCTq_T3XT6UaY.2Krpt1.nbl4jWTtUreqDJREgBZuxntTF97RM2g.KWDuJ22tCOViFPPiKjthiwSisPTSpJI5PDzMvd9jQ_NIZePw7MdYpeOOwYlw3ebrKL_HTRwPkc81soOGYOmhwEV0k6ZWe.zP44L7uzkYntDeZhBmaMusI_S0uTTHEoQkMvD45xBlU3AwVVjWgGWxEvudgCK.xXFRKqOMrfA"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=9107b76e8a922f18';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\/8246375901?__cf_chl_rt_tk=RrPC6GmHo5KmKHfQrayrnQSiFAYgcdm0EVCgJqScKB0-1739312324-1.0.1.1-2g508d_U_ghfPOTFsinzSEz4jpMZqSU5suzV9xVmZLg" + 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