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-afffvuukj.mit-edu.top/post/2189570346

  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-afffvuukj.mit-edu.top",cType: 'managed',cRay: '90f36bb92c51c985',cH: '47f.0wWUz2toFAg4_9Yo7xLJZdau.mtyYxbYMO9nVrc-1739099508-1.2.1.1-56eb5p4nN1SUUA2XMEiwrVoUpWRglwpqqw5TD79QgFd9MzyGu7BQWaS35vvw6t2s',cUPMDTk: "\/post\/2189570346?__cf_chl_tk=BPlWNvhsKFRkClvPnAN14YoI7VeXA.Sd4DVIdiVdO2s-1739099508-1.0.1.1-XjSR96ZzDwFJRYg39QG7w8krcgbmbyxVHVzvbc4H29g",cFPWv: 'g',cITimeS: '1739099508',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/2189570346?__cf_chl_f_tk=BPlWNvhsKFRkClvPnAN14YoI7VeXA.Sd4DVIdiVdO2s-1739099508-1.0.1.1-XjSR96ZzDwFJRYg39QG7w8krcgbmbyxVHVzvbc4H29g",md: "GM.0J0iUgdIgVSK58pDafM1NUpC.G13OjUpHFu4M41U-1739099508-1.2.1.1-K7HYyaDz7xV.G0arYYCXTwEitcrrz7thLCuSruhsV7Ir6PwIyg30vWiAGs_F31lhLw1RO58pX57tKOTkuh5kZtKvypgtgbycdrTXkLuxswDHLLOr2OpCJ3nTaRGvVvh6iS9UMg3xfAevMdqswMlRbZxx0z4ntz1RyETizeDzfYsIk8QpLJbu3_2jSx2lm.NiH0AqSsshmI9E1.Rb5FPPTGZHzozijsbktHlcnfwU2FKifsfLkEaxLnaK.XUAqLwn7oQNcW9Jk6V0b9P_iqZ_UGQEyiihAs2P4Zv2UVggNgRXQrIjz8Et6Wwhk6QlCbef.ItgpxvX9I97aC64rhFb9WY8i0NmKL2RDn9.OoAnUczf7X.ZmIiCBcLB17N1MQxPsIwk1VcmDQ4TrYtWPhKOOEZnFdd0Zhbfs.evc_2zKTg8uVrP9rpRfkwpbPyWQDoac7ZIn5N5R__joMfd1YseOh_to_YA1FaPR4TrvlwergopGAo9yJ5UWaWfcCrIyy0cd0HEhEu9b8BP5yTDZT1vzbes4Es8vjOKQdBt2mrAtA2BzxeW1iRNosg.c3j.AfWVCGXqWDMqAfsNf08yInIHiSncfqLx29k1rlQ1Nb5zbWf.dHdsNpL30WQk7eDYDqcwPEB_KEMoBlB6caJrc6Ns29QF7EbOzkUgcBUVvFomgKeHCa6VKwkEHgzMn4.FS5rvr2OLHjor2GigC6f4k_hW6ZnpBYJXdggbUV_82_XmyC0uk8MWKmF0x5g.udHBc7z1EKD0P7jhk0s75en9z_X5TBo_NFMLpwHtn989NLaBYS9Hy6fon81tcbDcwFKRFSKhqV.9FFm0yskVDcqQ_qfKjOnwX0QJ0AktY_NZSAI_p4jGGriqww2G1ms.3xUf5JdMD3x4hlfnylfR5jVTN_VgeFry1oXeULHR6G5eX8NuxHMxkzxrLq.BgR1G9wf7UeEbKY6zx0Ar69nsYjZxbL9Mg0XEcs0uu20K0lBtyOyocjRW1DJDif9Aj0wLpdIahrgBNwf6Z2c70CQbR5HbBfy6pyWunlVergKL0LtFNEl_2qludRKOtr2Y3neHXLyhfglLKd6eDGrVHVDpEQp5r86o8kZNgLU8iZCta_aNG7n_FBPhF_H2Ky0Nayc7CnPe4y66VooKwXifqAwL3K5U80jl8FcowjVilC_rc6kpYwmFC8L6pr4vGohwGcQ9ASvnlET.qpszTtzfEu7ywpDEEfr2FI32.ZjYwesJdHIouDR5hQjPDNny3VV1bbKSFjC1lOa8b5EL5Oqfg81tXrfx4WZRNLNM67InnuBxhCIE7Em334qVQ4ZXDwJgRpBuQnYcSETv8fC5YhudgjdRv9gGUgQ.vLrnIbAQ0fde2ad6fcZ3kSzhb7nIMHwPzW8RvNbt9EPGdlGfvQO.kR4xFeT5JDCS4gJm9an4ya3DssD2Ymc.kr9jViMbLSsI3Np2vkMIuXXdZavXAsPq_CrJtt_MB5CsUhMPd5RgWumQRLHU4lRYdqjEnx268wWZKF4W76x7iWQRictTEKGeQlsTkHp0X.bJyfjQmDSgKXxAL3VCUmXyB_SXoVS9bZer48xfuCi7UjAa7qRsPDfI2WB8RBuSgEZ4EIdpQoKlUpW4ZCQaac0u5qIkugH1seRbqWec9nD4OljoOhNpmh4syjIuxv6KPowHiK9Xegb_g6jQPTzVIzH1UpPIih8r_7ANMV8kD1k_O1__fm.ZyX0YkJLlvjgq9wFgfNrCNWIzaK39OpfdhW9IRSjZ7rFEGWyJuKFsaj54avE.C2.r0HFCErk4s_57oqBFrxeN5UYFsuad9IGx.1mCRzmC4ir.AmoTInMHYfELnoAZVKrRtYr2nAG882uUw22zPtQjNbj4Y6d3a5LWc0YBq_vUlBi.67N3TAVGzBK9jUqKsT4QWHYWKbk.aw55S994qy8mUVL3s11nTvgrpdVgj_XII0QNFIl7IpyyAgH9RKynI57z0LPRINJC64lAQ17ZHZHWDcUqFTfZuV4PD9wCuyLN_ReZneh3VqMD0iz4Y8DCUKjclKHvpIq8qpxsSZgVBZxXP1sozNmOQ9YMx_0Vcs9O7RGKbNp8IoYfDUAu3LZQ_41gXJTMQ_LasNeFTOs7pp3ljj6oIdL3Lm7PL7CvPRgJKJ49yxx5MC1K5pcqE03lt6y0DYQBoZsb6O3j5gDyQiyo0Qqis8appwU7ciVc7Kk7vQweWViUHGz9a31tlult",mdrd: "Bh5QweO6pfwJMLFQ_erR2G8SHSZVq5yGZA77R1a3aR0-1739099508-1.2.1.1-PdseloBE8iq80_uLbesEs41W2QAwtyQ3v1cSIYEPP78hoAXvx8Bg8elGLUBqW94TqWhX5.0N9kqnr2WLSSOjuXKh8HjCw49rlrMrRKR0M6HsmBn_skHbiv8kR8fpgSCuo4zlLYXX7BLgEltq7_68Q4rNzRRZiKJuwRfwRZdVqCGXU4o9N9CTQrm5ZDefrgt.NbGQsLqCG1aMhpC7XX0pG6zfnkPDpoxk7hc8GJkC7XBru4TKHVmy35DQsZf.xjfGmWvOjuxb0tsgE50Yx4BpriBzN2bd2oSCZLBRW1Wj7QaN5Way8G8ud5qy7eYBY7kN_dIzj91EPNOB_aPPkrkmqi4erebvhOEs4LmT7G8BpupTxiXcDPh5AIaa7NjBXo_mtJv.dkMmLgtSl5sZLBgEFk3xfUj7hQr66p.8gTK3MR4qO_9.9_UYrZNvRWIj0jfXGGnf32MCOOFp5U5ZwtQc0W79.u6ZxYnQq2sJe.IBFo0MnqY0GY5la9q69gkgATepA9NWpXG2tPiub3nQXDPJFEbzAXx2dqj88xHwjxacOGp7gCMlrtn.T.mF4GKNQvFweZYZl71E8hWy1.59mrPUYPDD_UVll.VWYtUxITadmn91Ydy3DhPHTWRXrpuhPF0lXRRnSiA1eomL7HycqUvm0sLABK77t2jOjv8_vQiXUd5UYebae6eH3boDXbAyNhd2EwjREmel3UaE5ULnEzJ50fmcGFdZPJnMYONQ_yiJyFw3HmmO57lXT6jTaGUV4GN91SUdABCS9BUzev6sDJ2SV8STmgP6AUS0fh9fCBUHf7KbsXRm.LAsRs23.kS0CeWTot79mmxSDGRpaGYv_LKFSyB7uBN5Q3rEH3DSKHhnw5J269XbTgnsTagf3T52bpOgIlBCtdlkjCI4lNcAjFn3OA8yUs908th0C9JGHYheAl996ejuU4Cv7WM5kK45sXsneKjPBrABsZnk2xO3kOAFy8gqzm6xJeFLWfYx_R9Irpo3gkhEl.XlSwrXKkijxgpHycD710Ql0I92xL5wzBsbHFf6MyzdyUfuAe17KDK_xa3U7LzuJOlpLfkzk6MV3zyjCi9WGi5CQRIBYNGSzPjnx1jzjRhmVzEcTVSjb1xhZYbbG.ekZqkUkuNfix.T1TBMpUp6D.xiGpuhdhLdyZdxphb8ye2nOXBCHqmEvCxgtQIB2aN2iyM5UrlJeJP2we8GERWz2d4a2k9YtAy1Sl0ir5OahgwKWpPaSJ3T.pKcpqbUcVYcEAkORTuZ_2zYUwWspQHc33e9eUBeyYKL1XB4R3kDW_.u1IUzahVdK7ukBIKfv3wcc0Z0o3ahrZFuKao_yulhQcvlkxeGtYYazdP0ZidKs6.la3qmzQmHHZMNBAm84Agxs92HdJTHfnosFR9dhT.tsBtE2gBKKxaaLdP2V2YPLAd6mSotPbTvJnRO84PuSYwLEocer4Rr4vzpxA7uehZQWCfx36EY1_0UvTNmXrOgMdWe.CCGfkdGWsRWLop16KSiopOGharYsCf7zNpDoTV52OxeD8RQI15sK9WqEQI.nwjXENwCUxGxkVEv1z2W6xrPFgAWZOCV3OpvMhSL95WK76Sp5ZaeTqrkXnGzP_vyyi5AmcoWpd_aoK.ISxdwYUnKBvf9jGKVEM5b_wI6M7TQeGdU9pBzlgSK2dpctbuQQDNIGeuvPLUeEIzPKZRlqCzENer8vyr4dvpgxoDUcXzbVUCnruWOY9Au1VJ2nqz.VGKg.PTqQzbW.D0vaTfnoVKb7Uuj5bSQfxzkgEpMe1PxoZXG2garEkpEySnkYaQkD.1huA6ob91WMW9Jdq8"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f36bb92c51c985';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\/2189570346?__cf_chl_rt_tk=BPlWNvhsKFRkClvPnAN14YoI7VeXA.Sd4DVIdiVdO2s-1739099508-1.0.1.1-XjSR96ZzDwFJRYg39QG7w8krcgbmbyxVHVzvbc4H29g" + 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