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-667749012167.mit-edu.top/post/1209437586

  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-667749012167.mit-edu.top",cType: 'managed',cRay: '90f63a0dfb1059bc',cH: 'eBERTitkCaPSPm30ZP_.OwsVWvUuUsx1FXRIwNqfm58-1739128931-1.2.1.1-c7DgyJDlMNFiX7x4ZvGFezm8yRj5ioukmB1LOHAnTC8HK0d677rzslTRUPSZW7BK',cUPMDTk: "\/post\/1209437586?__cf_chl_tk=J02XuOx84OHjcJ6kpuMbp4gRr8WV5uP2g3rzYNmDMJM-1739128931-1.0.1.1-AEWtyo.Udc7uOrHjJbg2W.UiE9zUnr87DXYHlQSXzTQ",cFPWv: 'g',cITimeS: '1739128931',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/1209437586?__cf_chl_f_tk=J02XuOx84OHjcJ6kpuMbp4gRr8WV5uP2g3rzYNmDMJM-1739128931-1.0.1.1-AEWtyo.Udc7uOrHjJbg2W.UiE9zUnr87DXYHlQSXzTQ",md: "hzk_V5KB19NuckFUm_ceedWvEoj1.z8hNqFn.RDSAVI-1739128931-1.2.1.1-jdPpHJ9MZ6gXMFE6SwI5zv.dIHcLmbPdT3nm0Ga6Wda9ZLqI2u3vht6P9fyU1LbNVo6ansAFQtUb_EBT3C6GZ2Hi4L1tIugbyU7NmbBVcTuLfDK7n2hr4tXDnyrr0.S51E7z8uIfx_C3VQetysMZA393QMoqUUsjoa3Dn9ApWzqSq.sqSasrctS.1Hyb7T_yAs9ZC48MDbVswkf49IRkUdTpt2NLwU0YdFSc7kLDs2jpWzHb9uNxbWPj8svu_ibNjeb_6Gxo7Ab9jXLKoRP3e4vl4T24LP4R6Dmvklw.AxUL_tkAu5rDuKDXU.Snns6fAUjIBFDFr8vojMdELpCkI.kAqbyngt9TRw_fxZVT3kMEiS8NxlI5C1taoGNR9r02T.yrAVeL36_B76rWAPUlQuudaVM4a5TPmuacHt59pfoUjGql3MENbHv1UigOUcRrP8Di.gERkEKRc0CndwBH.wTeDyrzudmyKt40hCEK5GerRIpImf0mFHUn6JR.GB7sZnCcYK0fMutalbdBLqeAbeDkdRe6LHZsqc1rHo8YSXsnzsQtVHQVq8IwD_Oxrk320kwYw8pt.Qd8dQKeIbYOrp6x1ZZPa21M1QEa.Df0AsPrcxluBEfXGMN1WcStQfFDxEdeefQhHMzVRf6l9ktSkATp9kKZgxItTylt_a4noqVb2I1XMqVB.og_yqoX_yCnx3r5o0aaaraES4jx_WrO9eGdpLWzSiSzZLlDosJwQ9rFbSrV8TdoFCrY4tU3eR3mYymuI1rwHnbXHeI4Y0nxWoqqG53Q5IIlg28Zo6MHx8faPMwcTNa6BLwXulHmEMg2ddvsMyZT7xpkAHL3fBopAQ2TEKsar8wypz4DffvUJc_p4vZ0I5k9J3fqt6hdLGUKVlKVyh2G7jHQ3cG9noPcfAvCEziJVmiigAnm1Sl0s59MVSmCHTrL0j4Yi7QMM1m.nCWPXD.f5PpMTGTqDe.5yfljYh8AwWzlPM8ruIsc9WQLxk7SOKbfgqHTRoa1cekMOnYrPzuWaXYXLlyWwI2hVN_wJsMH2ch5us19zUOkd90P9OuY6KwtHbSZVIDq76DlYXqM.X86EPlkL8gJEnnBpTaYhkUb8Stchy1FGh90jAKDStAokbQTDEM_EMFrJ26BwuG.uAGBRCVuzYpojmh56udjpAUbB50KlnoHEqUcrQ.Iy6aDL7s0eNHND3hHLPLtY8kwhgEeYOa8OVXmNy_GSug9Wxnc8Pax7BgOXsHFVqoU644sshHoKDSDMF.3sXqByl1B2y3w8CXMIDFWVw7euhvdLS7WaKP6MB2lJYl.sJ095OZxJTUUjGJi_EAsLk1sd906T7IjRvVML9s7Vx7oYCgXThb9uLTzBEjXCrcB0mLR2cWBtZL7hkf8rOUF.jhCQFdUBReXu1z8sgmAl3eP64d4ZCEPiw0dgb9.hdYcWUtlRox2b8jdh8GSl5v2mL4jM159Dx1zdpAHg.77gQwhhoive9GjZazRhOqC30cXABe4IVR913Zt.ddyS0ie_jx7qgUMb2sgVA9RWDSdaRlVQjurKaH_Uw2D4KKD6.R7ShEtEjHFs2Ywr2crKQwy_Tes1wsTmyQ190wgLM3bfEWqtWZzgH3wkXoAXxP2b3Izzln95MI2tuYkuPCUirvX1_e_ve6ZfSzMdLkGrZV907fjpiNPdw2HqZO265bdIxD6_fd.4TPOj5eaWLJguS122BVsMG.jTFYJEZSC9wr_nj.4VAzM5PZOh9IaPPvTt5x2fAgDfeZTPhV_rz8MbmWkDzWOywuIFqLx8rIcRsp3CrJTcB3E0Dw4RZ.nizfmeEma8UPJfdxAqIlNIntUQ17slgtgRvVs1Px50UPaYaqM4xbnReFlWK1hZCtF3nGktvsRiGZaSICfViMPj8kWGm_8p6CG73vYl9RIXE2LvE46cCwCCgWiAfVlTzTDNL2wF9bkCifjLLdjXmqpdh.UbbZKuBSGGicnQ7EUZhBJYNzqqepwXDFuuUyjuRERv5XcTOLxtsY17OerqmR0GNlQcFTEIuTMhzw1oKKskZur.bFBThlCGzMWOXGhpJ8VjSP6xdlj3hPnP2lPG0waoDygRyb_2ObCuipDkqsC6eBTbnU6vXGW.e8bDIFGcQEnUnVFaB2Omj_6Z4U95rhojsn7XswYVHzzRfoAJWfKkv2PHWCmuj0wB8MtN.RQ4y.3aTKs7aqgMs1SHEkOOcu7AfmFgvalT1Hr",mdrd: "jz2nTQODSmcXXcprw2fpSmfGLf4UKAYcWL1wPXqith0-1739128931-1.2.1.1-RyGCYL5nnTxtfnBTxAN3Umy4AgckmnFOw95OKX3rOoZEMFC6oA9D7RGngW9nSKYP4vh35Pb8yavYD7N1piqjGZIZ.6p0qmuGDCCgPYi22fYrD.k3PfFO.GMnE56cZS5AsVNVioiLJ5YoO2NKBVpBF9LvrL9NvMg8uAwDSONR78JIFh1kQiwhYtAllUqtawR20RidUGjzRYDrEdACYIPuhEfgHi_0nbQ15zGw.149mCWfA9D1Bd7K3_J0.grXIboPE8s7WF4yq3o.YfvSw67EVk0SpDtHrd5E_Fgg8EPW_8gY2PdJDXVeKwTDr.78m1sBkyirjc7foa7eRgOwrRgC_us9.7KpgW3bajEW7unzTErauyoPSrsQyVH1VjtJnBylA0pFQ8PGgoEKeYMHKW5ATmCThliYOqrxQDIzMafMXF403XjZdSZT3WrXxF1vcJkS5zVC.Peur9mMuB1GhUNbURV55Lu4RHtJRT9maev937.hxpi21zXJgNCg41jG_YXliXV49ExiKw_zJ7NeMrlm4TxTU1roP6YDm4DScYRjagDTAO5..nyClRU6ZRWMnPtybPUFlOl0F91TwiXHASrdyRp.N7e8DXkQ1jfNksG5teEZj.J0.AfpzN4kywT4fe4TxZ0Pb0fGcwFTPTPUqeKbg.Sf._1eUd5lKEzJPjKM50JvbSwxoO2yPzHEln6qhKLdPA22iFOKLom0egpWOCawKOi_iciVrNrXXxc84v9tS1eaDrb84UYBoZnZsXJgGvK57DdBq1nVXzSqI5omoZAFr8CdOz65P9WEkvJNYBm_or.A6bH29Y6RC7LcQJhLDmVBCcIb1QbCUJYVhFf1NP.3y.TsrsDBu8rw0iFsu6Wa2gzvftUTotb43CpKQ.tecThjIp4iIa0QA6i6K1smBQ3dr2o9QxQZlP4plkSCVoDQp1JL7iHUKtgOzYnp8RUQxGwZnDP995u7.cNWfEbtReqGaqBufbEY0xXnrMgX_SATqhGJk.lop8Pkzn_NeQxopa_hVd5wXPJwud2FVjpARYwXvFCPKX0ORwYxNcio1KZ.IP9Y2gAg7dr7Vg5_0n6LY0JVsqjS8139PGLYYoCRnsd1HlQePOhehpQ26aHKOIjAMh9fjZ3yOYF.VyeuXp2XLaVb_N9N1zMqpyNSBGqJy_k3om1UyOP7A.b7Vs975zp.JvN0YfcV.bmKz7vLzmn9I3RKxNrjKQ1MaH.pPksBrYxmmnTqh6NhHYCFEiTCw5g_ilaanu_JcO7q0mX7A79DXoOjrI51q1wRZZurF1RQyEp6OhoA9oPmzRoA0H6Qz7BWBehY9Uw6Xk4jYvq_7ZMLARQ.ekpAMUATBpHg7xXF2HAAjHA4SoP.7ypgrBuUklEnYpNVvwRYgN6qbYghvZoZL01a8bTaSUr9YbzSu2OBoCVZ4F9iohOJKhpRsIbD4rmjbAiU3KnxRKNoKly7QIy4IS3ppLnLOW9F1nZ6q9Q5CWJqdjC8J54hi8HwRHdre8N3e9nI1jeQ438JhK2hwfXy6cbgBxSur62YaVsOKYHnI9fCaNOBPpC95dMlKfSb0NQLAInwRxRO3W6R040TOs5RQ2kqzQuyKWy3f5iU7blz52fh8TG5vaENsCkO3KF68NYI1TI7mMvBH1n.i4NSGz2j2._FXNFRU1f9GgCzYXGXdaNaN97ba9tJNFaReUb8qUaVY.HYtHq6YOK5HR3cOt0UxfEwPEjvyK9jAPIarU1K8hgrmy1..mhJmBI8mHz7_9Lg7oc281nLW948V.6IAhXhyfldz.ab0FHs6Df20_PZx4RmwQ"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f63a0dfb1059bc';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\/1209437586?__cf_chl_rt_tk=J02XuOx84OHjcJ6kpuMbp4gRr8WV5uP2g3rzYNmDMJM-1739128931-1.0.1.1-AEWtyo.Udc7uOrHjJbg2W.UiE9zUnr87DXYHlQSXzTQ" + 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