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.

Source: https://blog-259646979086.mit-edu.top/post/3897156024

  1. <!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-259646979086.mit-edu.top",cType: 'managed',cRay: '90f6ae9588f30739',cH: 'tX52FGOE4NJGWE6XSp8A7NnpTD5oB6tPLXCmnxdVkCQ-1739133704-1.2.1.1-b7OXFKSZqROT2ltUoNPWhJ1rBWGODNNCJlRxYWJ3Gdx_TkVWqrtwaO9auQQ9U5CY',cUPMDTk: "\/post\/3897156024?__cf_chl_tk=tX1wyLX_gyOWcfxdP4LJMJGVKyBYf0bPJrUvpGmYq50-1739133704-1.0.1.1-3gKKcWDyy0qX2xp.8mJR3w92BrcvC1tUwdIBDN8dMAE",cFPWv: 'g',cITimeS: '1739133704',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/3897156024?__cf_chl_f_tk=tX1wyLX_gyOWcfxdP4LJMJGVKyBYf0bPJrUvpGmYq50-1739133704-1.0.1.1-3gKKcWDyy0qX2xp.8mJR3w92BrcvC1tUwdIBDN8dMAE",md: "ny91jwTQVARQ_y6fUPXdEZReTYdfvQJ4JrjqcBN5qVw-1739133704-1.2.1.1-lfB_9JGaOWj8PP9wQp1g3ZkulhZST5W8FVtw0MjAoVkxxGEReL77cAazneyGj0YgtuOzlOreU1q8LVmDhBaVsuD9UF4IX17KiO5Mc9fFr6yZhH27okdP1GTVnLr09iy2F5ViEMtFXff9zw85BBDcA52YLurUiXSTysStKPmOrmSaEfzGld8YLnHf96GT.x0vKW4DOhEz60Jk66K9wEeyUispjKDmLEDglSlV3KNkT_f8cKRK3BlH3fOMnmvtqv5cWRGMMVQX1zjsliO_Il_0s9WPrOSxQVD97L7cHlrCuCo.R7ftTZGdjZCoe.paW73l6Mtfx9hXACIoyyhRFzC5c5pM1bI_iNRgXdXvA1QwZlkLCcKrxdhBZYPT5DxsP3ZONO3Lbty9YoVhemG926yFuwUTvKr_O4pXgpQlXJRWjjJmQSbZMkjcUV1EdwKIyn6ybzr0Dt0Q.oOrx96l1r.90yBR8EJbziXIlZKV926.qJVKDAdAN7xyo3Z3nwTOIVEZS46qXgWzQxdqtDclyC1.q_ZpgPqTPExXXJHXrxz.7h7V9td6yO5yXXXD1CW22QI.17FbZRRDg_6hJveMjfUTB5EfX9dpG54O3tdWJLnsLhy_qnFkWZdt9eVyZRoz7jEFJDRVCeyEMrHtP_VPNBScm3ud7g4TaKfGdjb1yL6G00ljsvJNle12p8IeppRjVZSPn3AR_oEOOmM3FUS593bCjMI3DFTrxPY8RNyzgzA8o1piNTehWtCfLY6w2804ApRoG3KDTsTZSO4CBLol0TTsC.u9r_5UAdqzW458TtwvWg0nGrHgEEl5lgv72M.L_yCwvZ2_PtVQpLA1GA9.tE7RDk0S95nnEtBlt9ZmHVWtou0PKIzkRTtdWEL05a.sJcbd6UBumNKiZvCdk4wtQWV8lboyCfUecv2Cb4ipmMbAVlWhyK8PphWuo.GF_fxZVt7GGJf9gpnHG7ryrLvmZKSxY845P.BahfZrE4Hs0bhD4dl9beua8CuuyNCQq9OGi6oj7D6u5p9A3lchocxrOJC7zQW0E1BcJ1huFVPoedEyj6SmiAzFFiyTnEYrK_GwW8iTUkrxcnHPVA6R3dWL34_XbgOdVRQb32mBy0C8xzaFLhsxFhqoLR.LTIMErXUIXmepsFIE.QP_U.jpGEdO.BL4rJYEqhvXQa4xinamfFwHn3aCwrAizUW3e.B_hq7oH0mpjhgw_Pl60XXoNqSXWlvDYEzxL6ydcIf62l44JkQ99gRoQMQSyZm7VluhizOloW9EIHIjfdt7Lxei_6yEoF1WYewt9Ihan.W08yXRbOb7Omwub0Nw6votObxJKUVgdlIT2fDWL.9AIDsLTOJkt8FsZCUVbgaG5N5cDlQDgo3yC9zk.j5yiQvoS_VnSq9v7BjnaMKehuWERNn3yT4R7R.DRVnnlYOLMz2iplI.bWsNWR_KctZUOeQ8Lso0jatga_lY9ZTsIe19flsynEAOOuxiIofuYnt8cTOwkv5T8AMX8wCRZ8LhaGjTcHWRJJZDQLgAPtKDQo4twLvBExBu.uBlq9ri_4be.Ul_yaiCqrYPeAQ6CkFylHYP7okkc.ooRZsW4S43fxqtuzR0c2aPWwnVbNEc0nTjJCR7eAAQTm13DKqPHUGQB.sxQwcvLwuM5dzGK3N_OW_IrcvmLzgbOsfoWArbZIOdHLe.UJ.tV8QzR9bOnH440WJxrJS7JR5qnBmXPjmbw57O_aeHccd1Hzu1viNqvusG3rrO1C.0wDWOBSZYIfHAGInvp7Io1kBkdHJQbEKrNlM.RqOiqlBy7vUvLm7J_xzsw3L9XZMJoDo3RUrYWTx.7QZI3jrpYEtEVYveM1brZtioN8yETXG8RtpQ7RhLmscuOJ2HZEOtgE3xLdgzBPWrSupXeFFm.YtTiG5cG1UHsNA32fzHrXqDR8jidhC1mj_6PB.MnEzSvHh1eZDCzC0Hu9ygqIecRWbZiLoPke1W7ratM5qKobO5dorMNOSxCCfLvA3HJ.mUoRudcpkxlXRhRX8t2kqaoT9XIs48YzKzcdh6L6b6A1QfkfKxtRVptdlEa_P1kaTnzA9jg4qzVr47bjw7Usq3XGjwtpQpQ2ORJLqepfKJeZj1GZMvV70YpgXVLY4KkFoYpXQwe3Pt.VymKKhgvm.lGIPTrs9wrYmI_o3EUL5SWT.n6GZwLS2AlziiwJ54CeMNAuLG4NAUmufE1pRr9I.w2Ie3PNL1",mdrd: "qP4OM7rkkptGjZT79WtteMZSvR2QszbDgkXeXTTtcLQ-1739133704-1.2.1.1-W2I8.5HTf1.bCE4FjXtJBfbh7vj7a8VvyzSrn39ROcPVUUJSaFyk9tmzmxN3fzlbWytrAqF5chv2UUJoDV04bRbcNuKc3iJRyVGjWrMgMiSR5ApQKPq1jtV5I3O9_CdN2ek3QTvmpOocs9Ira6dH1DwDyjjR7Mf0CklbVkwyDBwWYYNRlOVhRjSaAEVfnNyxlOGa0K8KuviUAaVaL3szvvcG35tBBrdTXNiGkrE5.6gI212LfDT97hDea2RO1EDAuhodWJ7k3pA8TE5NI.cLEDTjNDASjSNPj4BnTYha3V_EAzhKC5I8.sYdO7kveZPxb8kJrBzhACrKvomiUqL79ujxdQJ0Zk7vOVS0FWcHGY8UfU7lEx4323spinQiTdDmjSX6KKnmjtr1Osh4by1hsOEVQZClBLDfv8VCbclMwTCHtlKBsh_oPKjqKFx4.PL6Y3Pypb4TvVGRK1DrkIInQ7QcvReBGIhVrux2GV25gehO7PoUtI3MMHse0tDjDRbgpjIP32kYTtJxj10WayuDrjto8P19.01sDs9YzHmOp_26PCLwAG4ZgabU1q_6qELFZy9XlBkieY957Y_CpmKiYrBXQpbrVrtdAi3u9C6LLpqhQE7RisSwvfmhGOEOM55xoVYsoFUDXCuDtYFXUNqkOMLV8.PGd5nCNbazlX7ZaTcfYYT39D7cyeAyW5s5ssjgNt7y1v8qoNuoGl6b9kug6GJU2gBOHZnoW6XXGZAka4mjHruWtWh2XWtb6G88FpK.BhNsuEh4P.hzIwmRvdMUIO8DTlUh36QwWWZtnURChjwA8HixqQj6ZNAIt8b9AO6HgdPJRA_hGGsfnmboW.SQFuIsrLpK2MA0QupWT_mC0U4wZrOsymZ6TJ_a_UHS8wYryF9OO9_WOPORtkPlkqhJIMPqO6SMpYQHHdeTdqDtLOSinzrNArmPou18tRRlnzJu6XPzT1nrAAPieNhiWQk.Zlsv_Mg0drxUWjI594pu9r9_pX5_oxhi.KGwPupGzczLucHWvWzz1nh_MzEJLgjSIKpn8BLaIvg8jmMzgq31Fhko9LVqUvq8bH_Jz5zR_3g1sHhIGbVUdwFOlrtPQayDIlYvGqVJNOt.JdsBXEGX_YKPywnLVXbHmEU2HqPJx0GODaT.24szselcvlDSfssZ1CKvW5u68W7OE_yG3xfSKF5lSrXX.mIJ7f.7Ka78ZimleFWElilyJlgYTzL9v.yjwbbI.VJm0RcOC6FZJ7NR9oOOO7zQFVSashBi.i7VVKCS8_dLF82Z_N2mqE_XkRDYLyN1B93UsIZVWRh.yc.FiKV_DYK3SN5EyF0yhCVtqe_0t4UURpjGMrdkJwnFUV7n8oEKqKyvxAjRqDPQgmre3dMHDoy8KJIniECX0nD0wEhbHxtfO0xZoNlmhjMGyuogFuIdMKBkHnBPoLixVXZqvMxnj8D7k6p5eu4q_ZxlNj19VxDsFMwfxjjr4VNH5QSZRbUog5CtLHqvLL4NgWxycnbqKbu_tlXBC8tb4gJqzcwJu2dARa54CjgViWT2kdyCVJ9oapz8OH5smq4u7VpLzw9kRY97NLfI_aOQJvD8RlxIqDXAmQ7GZuTXjWrQM78kA420IDgJ7QdP3TcEjBt9Uae9286wMn.HZfhFhByjL0y0_tfEhK53aS0X3QVF3h1B3NBu0KxY7H_lrsDPFnH8PVX3eRS984aQLT7xSVRmocecOIa9EMjgNYWdGq4UZ2O69qzfPugOc4pHVV2KN1IITCX2XM1flPNTJixKlNm.AcZqoLKaKahuDHziWOnyV3U.GxVMbhEocEqzEUTh35pVuxc"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f6ae9588f30739';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\/3897156024?__cf_chl_rt_tk=tX1wyLX_gyOWcfxdP4LJMJGVKyBYf0bPJrUvpGmYq50-1739133704-1.0.1.1-3gKKcWDyy0qX2xp.8mJR3w92BrcvC1tUwdIBDN8dMAE" + window._cf_chl_opt.cOgUHash);cpo.onload = function() {history.replaceState(null, null, ogU);}}document.getElementsByTagName('head')[0].appendChild(cpo);}());</script></body></html>
Copyright © 2002-9 Sam Ruby, Mark Pilgrim, Joseph Walton, and Phil Ringnalda