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-aff6c1ri6.mit-edu.top/post/5716382940

  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-aff6c1ri6.mit-edu.top",cType: 'managed',cRay: '90f812bcfe53f26e',cH: 'eTqp8CTSXLfpopNggcwvGgdsdNf9tVqf_6kKup.7xow-1739148292-1.2.1.1-UNtIdVbtp6av6TeuksdB5RyF72fA_ciIVAPh.Fls0Pb_L.wQzIivGL3T7Jkcgfpo',cUPMDTk: "\/post\/5716382940?__cf_chl_tk=odx2nuFGwUYWzyxj2sErOvT8aStM5oOaI7NiMUrWOPo-1739148292-1.0.1.1-THbHA2KP7AjNh1REUG3w1dPo9SNewxRoEF7YOKnB7E0",cFPWv: 'g',cITimeS: '1739148292',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/5716382940?__cf_chl_f_tk=odx2nuFGwUYWzyxj2sErOvT8aStM5oOaI7NiMUrWOPo-1739148292-1.0.1.1-THbHA2KP7AjNh1REUG3w1dPo9SNewxRoEF7YOKnB7E0",md: "CkXiU.ZvMg1CHPUKrkoZczs9ml9FutvYqXS61pvn5Is-1739148292-1.2.1.1-cKXI_CkXbOAKS40LOo.cdap4mPMzX6ogHIoPugvkZSDzNJteI4goaYtNgNz.pK0cvZSdZPmX9l_rZQZkTwLF.YZpxUlBJF2KbuWVqsGUmHXg5ZmNtmQwy31tRJ93xyB_fpyjp4NCs9ODzxxBVB2957KrzjrY0BQgb.N9gkwaZt8CNITz_3XeFK8hUJFTCA0sz.ZeqxDsujMPhMT6Xy8h1pYP5bY2qsuImitpGMhXMdTznJPqf5Sztx6nFjEufyQMi2fVmhweG4iewwFPzpcUEsu6fbnV_FNfzWOSuvFHCQKOMXwim3okbSa2R0f3.JhRkjv51Fnmrbyrkg.V97okIE6cEh8T4UuLcZlSBzDCja22GlueFed93.8SnFjX5jz1J8v7jFvvL_sQRrxKRYWJJhAEgh0_jGDgWjyv3_wQOrvi2npPVXaFyZ4.JdD4phm1kFxpzcKRrFTE7peEdbkXYYW6UMS2QSP8TdXtfTW0.aZ9Nq5l3UK8CIP6dF6dHCf6Niwp.yHm2Ju3q0aoiih7ldzBgMGD5gvP2wNjZTSp3HLUvkqLbmCE6iGuBL9XSwCwdbmMrNXK1TDVzpUoIlW3Sn_JoJqB5Juf3ueikT5qfa4SBNIcKZ1YYZkNdjOT4HebocXAxXnA9tPPwc5FgeG.hW0yzCW6IUCDnx9atc10JbTyOt6fEq2RiVT0kAyx6K6FVDOgEUAFcjK4nkMs0sBe_drZ5i4rUM4VDHzalUeZwscOc0B.LbVFRBFf1qsgYkXWK5AllLocNFthStCCBLvizkJ9RkjTu9gJFhJEbnV5WfisE77nfC6B.vn9Lo6PLmWfSFSvMsNCdVMoctlyzWMFPacpFDx0BqdmrSfnno4OBKFKTxuJA8jRQo4g8PKkxPDK42NCM5X7fVRf0kMy_nhsHdlJhjMZCb6hsxYvpeNlw8PfPzuM5_ZkvuAUKG2BA9UHmOwH52TKn2iM80_BPN2GgODox_e9f6McPX_rpDCdWyp3VW4wz7RrlCUCz.gXAVf1anZ4IrkYwrGUOr4qZTDsZtb6cAkKvHyq5.ymVd6mq9PPtukBsk1GO01bBG.Y3sg8W5UD3VM6NRv5srxS75kElRwIR600FYlvBLQKikzGZ3X793.CYX1MTlC2XOmHhd1gLap78R4.4mglDqjsTocU_UuJVu7cYlfB.u7rCSRhopvw5B3YciUOs5GmjObLpY2P.5v8OY4w2VdsOURT9HCHD84cNP4uKB2UfiDobhBnruego4ztXr6NC8jOsMSji1JwjJ42j88p0DlZjn8yF7EMJClnGEO8LMicu_gR7xp7Cg6rzMzG5e1RwPRwIpcMHbAFwiaSUf13S.759lMvWs8F0QfjqMHe7iSgRdcLFXa7hi22bulGXiDV6RsbQSIzChh7CVGHxqsVT9Sn2cvzIW3vhSaV3Q60h17Q6Ic7ydTCHc3bEvE0XysPWJKcURU_pkpGVGLAUzuLdO617sQJv.HlOQXOFRnC7RQjtCwBUGfPbaEowVddHjc35bymFkF9Ux3kaLHBPAihCW22xZJ1wCJVJxm_Enf6bfT8.m.KiTyKxfn7gA38br6FnII1wET8sT1VRN2gMVJiyU7YkGO5T1QR39bHfGeAtu5wUSaN6xrMPOs2dDiNau6KpIlAv3drDk6tiT_bpx0EH4Stzc708qn.XaS6wiudFjzmvUsBFNNv5lGcGXtbS3Oc45roO7Ehsp94NiWLeXz3euwYoG5Nz8pmNeD.6_cGUffNngo910EZVI2IiJgqV611psjzDRsmJSwUbiZgQYfp3Iuwa6vHSIxa_j15.paJx5aHjanSz4LVlpPi7T73NZMBiakPH7vLw8_0KrvFijDgMpS8a7D_QBGdbzD84JIyONtyQZ4xPjDnaACOjnT1MFzje1sX14_88OxeNQhD52hCpzsClV5pfUHJLmJ.Tg_vf1c_EPryucALy7WyfRgA1T3Ca7a1boidmdnSm.bSp2fbY5rXpVIemn0LDR.9AfEwhSzuYX4t5wJ9bWRRouMUN7tkNaz9aTqx6u5Y_U3wjHylmO8Z3aIK4ZHylTwY.OMVcPhQLUPQ7NyiWx9WhLwEgE7EyIkObiblOsZsh2B_XxCm20YirvdTybkURyeumO28MCHP8IDhcUf1piFqlEqpOXKGq2aaC7J88UG2n6McenAD7OtSJ0keOtMu0A7hyvHE7ovCW4Pk2IiDYiGoQV46F4t0UK40CIMFv34N",mdrd: "A.XZZHdsl3OtenwnmXnabG5DmKP9kj.3lXKhqwN51ew-1739148292-1.2.1.1-6g3yF.1l3baS4YfGXeQdY_QolDlGdbzUyjvuDWN_gE.5tlHIzPx2gRNXApUvNR7r7SNTBTcdUTNU11oFmGXoLdD87ocKV8.DTbELdWUrli_H.fkHV8BZ.Lk1QzlABjWqG.e1wxPD9WcSLaiE7peWPmifJgXPp.IZ8mTPmnEwkKM8wrfcmRX0x5SneuRsZ7j9Tkd2YZIa2jHZgVZc3OUR4vdrvoFGnLurheiYwVSwnaV_bMEj.vA1DRX6Z.Zceq7BDO.gNZpwkTSsxmnnLxg7C.s0mUJTaO7x9xP.jcYNCZ4O46uSfyb1keiPGfeAdgot7uGszkbxpRMNJuxXom75P57nBPkfwVjJ3am.czLS8lTGGC_iailjWDTi2xHNCBv0qY71435E.psNuLh4iyRMNtO1XywxIVsxr75u4jQyVZoT0ztfdPjlBcWKHjK1t6ttNfR7NMs9jnwanPkwU4lTXeCHnYbzxpTp7P2X670Mip16FAWLkVIIwV5MWJKyGKFe6Y_3lMkE6z5nUDvF3KSIPyezSu4I9oTsMUt_Tlu7dr.aZ68lorqiOMTeZvRMJL40fvqYDtAiUMmrL5WqYE8fm5mEh4.W6by2CXpT7OZpvxzRLDAgNZ9lbuTj8rbjRpE_Ow_Kl5mw_CFSIICzJB9flBOos7AbXgF1n376gNOR3ar4lHpZj3RNerLyp7LW_28Qvhg7_b8p5cjhxs7svlLt.t5gg0BBbAYL.5gA19J.Z6kQ2hYzKpSxv1XnaM130TEVawcHZDMv2zPgti5HTd8TTTKiZpd5GwdKC4ZimGQku8AbdFdTgPJ2FrEYh2sjJkd13s.FSl8D3IuQCZlfTaW4kyqu1ef5MxotzLuEsmXJHZKkWWn9Jlg4egj5YyDzr9UnfvoKa4VitjcajVYvX.dSixAPv7NLOwzpNFk8dcr7smuCQoGyHVAyBUeYlmPTDNjb2bK_QEEHTgOsZsaiIPcznHqfbqyMTRG9N21.fvmjZeFaoKdsCBDIO2G5xSE2ha2uNXd6bNIjXt3_XvPYLdJyLxDnU3y_rPxv17TIJptQC6ScWudiRcE8_XAhr43tGDOpU0Eh.smfT9fpLz1qE3VjO1vx95V9VHo1AtWvo8RNvR0z4lakrPyz9P7ZODlFcVQK5pzeuSm4Rnn5GYKXF4V4fiNiEu7KO3BRemnWc96MydCykPv8cCQYCmuaQU0Muq0_wYsRAFIDsuCwBEWk7R22ba0q7drvuAlIk5XacrHtxp7YpP1hmUkQV4665lCwGDrIRh299nb_7nupFb9x7BB6l682tAEUC5mHCGxOOm7HoL_P5SnpK4Q2j1kmuz.AiSBg0Hg9SdlpvuHAf7htFCwFskhvNDUC6JUqHTgtVMhbnXBYm42Ly.yT2Qm4GJslekSrZsALe9rYsI1kSIuT3BjoA5A5HB9LdOkXNX7nBnHrQEM6D10Si2pG0GJX778Og_oFDT1a6ZXADBZyf3Mb52m7z94kXGOb7F15ZV_8De0jeLRfstxSI22I83E_1Laqqa7T28_8GyG02isQ9n88wqEgypGkePnwREPSRkesX3HEI3qh7TndbUDaVKjcuuHhJA1JLlNzvgPmi9Ypw3ohbuJ7UOhG.xop5_89XHYxyKFy6ZoQceOT1im_gw1eC3h2PzSYciue_U3j3zESoU1yHbn_d3.lLC5iANUYrsA9K2Mo8CYumhLPT7mOKi3nbRg34RStD.iyFh6HtTADTi4iDe9UtbeUe6lqHilGVwv2lg7_kfC3E0WlChyu7j6E52SVMpt8u1xbJ3.EsQpFxv3MkE4MAPkqgTs.KJyT2Z.VO4yuY9E"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f812bcfe53f26e';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\/5716382940?__cf_chl_rt_tk=odx2nuFGwUYWzyxj2sErOvT8aStM5oOaI7NiMUrWOPo-1739148292-1.0.1.1-THbHA2KP7AjNh1REUG3w1dPo9SNewxRoEF7YOKnB7E0" + 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