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-aff48qqe7.mit-edu.top/post/3924807156

  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,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHdpZHRoPSIzMiIgaGVpZ2h0PSIzMiIgZmlsbD0ibm9uZSI+PHBhdGggZmlsbD0iI0IyMEYwMyIgZD0iTTE2IDNhMTMgMTMgMCAxIDAgMTMgMTNBMTMuMDE1IDEzLjAxNSAwIDAgMCAxNiAzbTAgMjRhMTEgMTEgMCAxIDEgMTEtMTEgMTEuMDEgMTEuMDEgMCAwIDEtMTEgMTEiLz48cGF0aCBmaWxsPSIjQjIwRjAzIiBkPSJNMTcuMDM4IDE4LjYxNUgxNC44N0wxNC41NjMgOS41aDIuNzgzem0tMS4wODQgMS40MjdxLjY2IDAgMS4wNTcuMzg4LjQwNy4zODkuNDA3Ljk5NCAwIC41OTYtLjQwNy45ODQtLjM5Ny4zOS0xLjA1Ny4zODktLjY1IDAtMS4wNTYtLjM4OS0uMzk4LS4zODktLjM5OC0uOTg0IDAtLjU5Ny4zOTgtLjk4NS40MDYtLjM5NyAxLjA1Ni0uMzk3Ii8+PC9zdmc+);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-aff48qqe7.mit-edu.top",cType: 'managed',cRay: '90f81c1fef7ad6c1',cH: 'bETH5ryMfRq_cvg6fKODIqP_BGJ0EmWZcv.6uwnmnwE-1739148677-1.2.1.1-v14U.O.7.vaOBOEfQd8IeRUdIX95V.6Yyw2HWo.9G9m1bQbrjqR_.EXc5A2bJnvb',cUPMDTk: "\/post\/3924807156?__cf_chl_tk=vAQ1W0JQk_LquGrHzjjGz4bYOG0uiV6JNVh3.0J1ajI-1739148677-1.0.1.1-k_8MNpmRDqIMkwG0Q699xFjZ514SNJ.o2xR_WtT_0CU",cFPWv: 'g',cITimeS: '1739148677',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/3924807156?__cf_chl_f_tk=vAQ1W0JQk_LquGrHzjjGz4bYOG0uiV6JNVh3.0J1ajI-1739148677-1.0.1.1-k_8MNpmRDqIMkwG0Q699xFjZ514SNJ.o2xR_WtT_0CU",md: "Qdc8Zd5yKww3bJ0VDBk7VbBOurlxK0BCgN2y.tdNgpI-1739148677-1.2.1.1-1QB1CSkID4GLXhEEJHgbiKWFIMlj_oLwhM2fTfyl5_s4cGh6ZDjn0cW4ec9B5ubwn1T_AOJ0rKIUUp01AZr9RGYM85_Cv3O3vHSpCpWqTZ.UzgP7I97c5IrwZGYVFVNKFCVsjWiiUwW6aT2d5pBptW33NoNVDEeBTH6uNS3xMmf98UcEJorT6U_xBmrRuF3YsuBs_c2sSH8QMUetLEOGVADvTUhHWJ.XGIpxAzB6Ykbev9Ktk18CGsxLngIp9B8vhvj8tU4LdioWGAQSOsGAsImWlR5RVaPj9okDHropYckTyrT._d9o1EFg4neWzLi5K7dVSXOgxN2flEzlr3ggxncGYpxwxnUvRnH9.8MhWrasps6C_8KRtcGif_MhPcml6ND2ObrCW3Eu9zshowWuO_IIekMdBQqyZHhKzzA5Z03y8Ht5S4oqx1.BRq9Gr4o3y3Istm4cUdKYPgKttma3DSXdi_PhD7esYjk2X3JerIOrP31NE5lBd4bn0xDxYmmx6uxcrgEaNgLz.Mpd_wmVNIJMxTjzMyf5Gcnc.x.pdLmLnIHRaLsx.Rnw708M86F8hefcIK5rmfAS7T1QJog83JfnBMsRfX_3V.fos1asuUKfiJDlCc7y61NKTqAf0u7dcbYDLNgOYRB6Ns3L7MsIzNxG9A1oe4854BIamLbZ.CyjKxgHMbgd28XTqw1mzLn85M5K7tsiJguCoBtnT.pmBNTuSPUX81KcB.tT0G2bB9CWxXNqcnn_yyR_df2vyiRRa5hFs_bNkwyaPTYWajsBsLX_E.v7yzu7nqyheVKBvmdyWc6kpsVA40FuY2NUjoG_UhmKCBua4DT_I9.dQ5vRIs.39JpkI6hPMREYGHRHsQsxQrJm1OmYzO3L54d22VEegZzPOig8BcJxg2ZlRqR.eQNalSzwQiWuiInqWOpHIgfUDIBh2TldbZPkPnha2q1j_vO6Xd2HHud1eaGVHeSIAB5elHeMcD2NNTntsGGQFXvH3VNtxM4sO5XDYPkXiN0WfXPd6EKhzhwJlF.iZADA4Z1NY6qIVOk1MeVnnfBsyeE5_G0cciy0xDmCZNY5welarD7q5Qv50HsWB9j61Hp9wcstTYirLXfwPDYqaDVz5jVTuEoA9drP1cQPiFAssByBXMdHU9dgiIn0737TluxPC4Z7fxctFkG0AUcUfucQKfVZ4BWY6Gf3DRTsDhFFa7oD3JIKhufXTJ6vpyGHHLaw4DdcUk4URwnYnf.93vBKJ6SR0tGC6Ek.HT3OhILEUH4E1BqTdJZ6i8zo5Qj4ourwwUAia9ZNmY4tqGxIcphzueFzoTXDBH67AJflGPm5LPJFH1budYBoHKuVyDbBkzYHY2xWMYmM6GySjFLcq184T884SvOOydTE0tqvomQNrSxJdx9S8XdzunwlOrVKXa3TcDshI8j.PI3NZBFFY9eTnVJaxP.c4Rz7aB9T7WxFDFhjNhRZpTkbM.IWQVSSNEEEto0xAwT36vdP_VBUZwfWpiFCYXjoVWrd3_HIwC5uteu82Vs7XMUPbgdLFTrp1ZOl3kKYyWt2DAxWc2fexN2eDWShicJu9QFvdN5zv6ECEpzpvT8OJnIkjOkvnH3u3RYAetBp3gfc8QtzYNF0iwWWvwBSSxMFlL72tunt6_IJ0ZRUfaTBp7PkVzVEogfCXzIa0noIGGptBTGkCz.6oiAvAQ6..qiBT4gv5Kzlgnf88p3tOPgE8X0kH3hMbbq0FUh0Zyv2Soh4cwjXxMv2B5FIr6ohs.tX1QKeyYkwUoa3xxiotcOadYfWSEMYkeC6NEPlUVXN4GncLyckhv7RX2Z3X8egB5dyZ0XBvIw7K0okpx_N6Pabkgb290Eiz0bXDOTNNsh0l_IVEaW091vm7zLvmDiszZFU1p3jAsR8yY.CnflAhAeZQc36T5J0wKn78M9oyTu1QyqNU6tL_7bzlNYS6Aw1t5.iTCjDeb80uEI.Fq67LY9Wn9u1OoF25exA2TDTV_lJs8QjU6kn.Mmp63_EouxHrhd0vS83_urdA9ssohG2fZKd0nMDB1aEL3H1gragOQMLcA.n57i7DswqNlm8WqGFwYRh.M6NbLvWbIZTlHljm4vkF_El77zb4gxmN_BR_nnZecjBLGHJip2LDfJhTdWt.QzbwLyhY2OAwcVnJAdg4Eyq4F4EGp6SvLHe2txlBciY6hbgWWZS7OfO2KPpVH89eBBQW70ywdWPOEyVtupR",mdrd: "Yn6eKhFUs2WcdIKZmNhIJCtUUfaZ2MUMx_A1hPPoJ5Y-1739148677-1.2.1.1-w3lHaiiCYSQyuYBE32Vcx38GNW743e.B.a415hmquPlsUa_0mzAu_RRI6VJiVfjl5L6Nu3tYXTmXE2N4aDmipMf3rJB_KlMfjGvhqzu1QtqKUHRy5PnbBVXyv5TAdGg4JVWb0Um7FjxYtFl7KQE1zdDHNFl3XlTGTJF0Q1vk6so5eJp_RDTwjzEJZeAHeq52fioHNER5vq7_OdWUhbF5qjz7gVK8UZ7BT21vaVZJk4SzqOw7DpR5XOWDzp9G0KeYB_ZqqBgCConeog1Ax.8bbaY8BAa3EX2oBb7JgVhgA3CTn72izY2W6zhUIct2q4mIb07y3Vo_6LFxRfN_z.E1NJGpyDw2oAAgyo24k6Y0DsyF7334YcVixBT3ZhsrkdVjQV0X2dneYfXusr_Inwpo2iR5ccWtzbZfKg0yMkAt4xddDjlUta_LaCCCPEbSGOt41YZyGp6tvnl25ONDLJWcLWsHDYzxx7RAmjnVQYnUc9L1ORBDkwnhVA0b7C36E6Qjz5xHfaWC3DxZjZsdjhumBbOQwYOCA9y5_P22yG7vUUhJc.4E3vZXABzUN33kJBiXWLhRiVCaGlAEkM7eSJ2ddDnk6E0NJK1GQRBBB0QIAFhqpikgUAyhYJQgcJRDN0lydzBOmRlQr9JqruEwDGT4hrP0tTqhc7oEJzxI5GYdGG2fUWQ6X9kPVsEgks0aUQWLrajflDQG3a_ytBi5IJtNk6cSX9LMOI2N1ltFZziMoD.A7EY_CkP3yCvi9U6gYdRm7TduTzlZQLM32RxpyvlOUnj.ip5tVJtiAIM3Pn6p6HqALqNTdCRVEkCQdv0uMKiUznOO06rTmsTSNiCpF.q_UceeCQ0XhmwTV85hjKf2QdxfbIqndEBrgv3tuSAF7sv8QFFfBnrwiT3mjQADdGrHPPAVfbEo0ES29RfH4z.6QT.fFrGQ2jojmXKOTYZqQd4JzLxLPw0dn1rWKOcbZP7RNPBKjYZ2uVk3Nzv_Ghxbwl7J4NHzyBzObdPbRItRnjOpK.47mlC__7LsYv0IG8F8ThI8E89LYXA7mDzd6M.kzVWItA1nXdPXRlReToGyATluoUwO45r9NrW_euZo.tR7kwb.C24MIK3ZDRKMVPWyfjxSKXHrLNNmet5QuH2SBkytpZuSe2urkH9tpOhD4s0vUqbl_l.kkE3P_H0STH65YBswyXkdl1VA3WvOVdSmDvvgM4.zblgogGVJffYLHTXAhO8G7R6bjC3LpHGIDqsQA.1vu9SJv3SjRf9lHg3ewUdT2pOcL_BGsE7cSvKMf6JFf_bI1o2ShafW5ZVcfvPT5DP4AmiQ.WfyNMg8qgGmBjKPJAis_FdgQqciFgzcUSejq4oZ.tGhHClQsOG2gNEqBNGtWnDAKZH8aSmVkDhgUy3kKWN06LjFT.rUPnBeLJY28Rj.phhPK2fgY0tssoWqrepqRn44GNqyLsI98JWRnO0s4IrVZnWecvW65ehcMOStWfLJ6fyCBDPTvWmNqW2MXBAX3GIHpmqsc8otNzcJeVhD7CzWMa1oQPtJG1fX4PhQPdwf4wHG8sPGw4L8b36mApZy1qxgxutUD5eidXIImBhNo_32oPK8pp86IudVQbcv5oDIql6o_36tXwA5dqhU1aHB939mpPztw4O99mpcTdmKOdlgrWLD3xX0ns6Nc2kX7Y6GPLKzUaiONnWhIbL4DJYEjnjhx0YZwwmZwPlVPL7ZbDA4qkEKEvV7wzlzQIfu802pbnkDzIvrp5.4W4KdjDkAXdLWrB6uYwBIDa60UegZ9g1n5A.vqM4japYYDO3FwQ"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f81c1fef7ad6c1';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\/3924807156?__cf_chl_rt_tk=vAQ1W0JQk_LquGrHzjjGz4bYOG0uiV6JNVh3.0J1ajI-1739148677-1.0.1.1-k_8MNpmRDqIMkwG0Q699xFjZ514SNJ.o2xR_WtT_0CU" + 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