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-564904391613.mit-edu.top/post/4390126758

  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-564904391613.mit-edu.top",cType: 'managed',cRay: '910f6f838e21390e',cH: '79mIDpkT8gRehZ76zedcpXyRdHiqCRb6.w370awiaqo-1739393265-1.2.1.1-MJopRmMjM9dYGtJ4kr8CgRmqkPS.cV7XGgNE45at_c4DlssY6l_FZMNa4VVNgtx3',cUPMDTk: "\/post\/4390126758?__cf_chl_tk=.B3PsXVLCynfPyfRVh1fpoxv1YBRvqPsBoOPCkZYXc8-1739393265-1.0.1.1-rCc.G3n8HLkqXJadI1pzs_ZDpvu8KX.BWlZoXzF4ruc",cFPWv: 'b',cITimeS: '1739393265',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/4390126758?__cf_chl_f_tk=.B3PsXVLCynfPyfRVh1fpoxv1YBRvqPsBoOPCkZYXc8-1739393265-1.0.1.1-rCc.G3n8HLkqXJadI1pzs_ZDpvu8KX.BWlZoXzF4ruc",md: "ILWfuGOMmz_uD3Hwra6n_4DjtjPf0P_mPCDporjk0IM-1739393265-1.2.1.1-XmxXZ6uBxtMELj0sVnt7fgMvLVNdm.q24U.gQkYEl3u75vfuWQcUaB4jdWGfu2HAE.SfAuxZnkYnDOAXhRDLGkEGsac5HKOOTXXRtI8lkMJLgn5gfgC3swtKagi8gNDXTWy64gtyBys0NGCX6mhQPdWJZzMFPJ4TxOhRr_Hht5X8eZ7HaeFQx32iVUpCdlcIabHGg3o87zFSbmW1VgaxZ5OSgYFSL_.zuTH1iFJxUzxH606kubD.3zHa_pC2rS088okxqDKtQuXTW8YHAJdZzBzMs863HPE2aENdQn.36Y9Im.qjgMM0cOc1RBZvhV1VWZ1mSxhE0_C2T5EcEJk.suOSjm0uhSZ0S8pJ_r1W80HfKKpWf0lebgdAgukxbRXCVXJZi2NTk0N.srx26e3lQ3IrG6T8OnhiOBFX0VcHSmGZdA2iIYtPgoJAFV3HShjVZoVK6WYRmCIl3CMeqCedWl2QKIkZBJxtA51EsO_R22Dn4R1X7awp_yBBZLMruIh0G_tWQj6YtXD2PTB7LXa7Ff5e8HXwIzq.EXqREAvS8oacuZ75oFeodSp28epAJ1nSH37qtYLdAcNV4Veh.KWydtADjDRVZ3DtjlvgX4MtbWneIySOIfHDAu9c1j0vaLeTVvr2PNdG2.T9Kxwyjp4xAm_T7oQ9xhfT80LvVqe45E11xr3b1a2iEuQqQybCGsMMwOG0pDUy4__FmbeBah1bUvKYwMSMFdUSDQjpP8HaXwiDvUSVB_SgZPOKYAV4fEbtVk.s6BRAqV.6i1s2OF8D4mlhV2WSftNUfVf_AXW6Is8GsAb8y8Okbvz.GJ1tnTRxE9Avc3.n_httXgTxwwJkhN.wLL9_CGYXgKFtM6jPo4yNuvsiHxNpT_hsMQLyPUwYHumB9rHpGRmlwpsDcJsptK4QnHNXViMs4_sE1dF8sg6ni.W_.GuMORa5C_41upgvOpfk7UvQ1MDiZCHDCts17tPk3gcV_5bH9H_x6cGs553VY6zEXpS_6gOwkjJz6QieulotRxOjrl_GsvHgeJUKmlgciLWRNQMFQeloOfKGNDqI3T8E3YLLiLxOvu7zDCgeeJt.lTFHHHEvQulUjyoDLkw9qtP4iF_Y_qcxuHdZkEBHfUZ9Ue8NiIJ39tWfwzBceMrZXneK6IijHycxUd32sF3zuTAyTdZYszoe40vOVZTdtwXIt6gXL_ibLNcoOXz4hSyExGbf_c1dbW55e0lwN4B8p0KkRkHAzYrOpEj8KCaWH5fgbT6f83WXjFEKqZdy9rH6eFpmGxyZVutv7Na93O3vb9M8i3D31w_G_H1oDHJuIKRIfoK0eoVWLy5O6Xsti2K8.hb4Pu3j4BCmAEA6cb_WC.KGYr.fizxBZcO4VJHcXoiPiKXNNI_BodmG0XJHOKqbzWRcRMubIMmKNdzNsEagxtl1J0AbYRm5U8UBo4k3FhfB1MjskKujIHxfHCPqcCRKc0zOwD14fzvTqtYZOO4uSZF92GlnL0F.OxfGk3h9gGkDj8_fuB81IhfkSX.vYzKzfEt465vhU85IZrErR6pduaQ.v7PpGxsUc2gJwcuD_gDaHWL2993jmhX_L54K9AsPAJ4BJ1Rb.uWzgwq8foJlBhD1fKfcRBE6XK7z9ElXaED0k13JtIh2rU0VUqluAh3.ckAo9Hf4aO2w8.VuLgH3H2D8VFzeNmubb8xrwyzenq0_0bme8BLjqPcQ1C97_ihqhGPTgtDffPQP9R7oPlP_5tKHL9zPyV4yMQ_wHqcUqusyclT6SZUQiobzPdHusZgNrV7Bvw03Mz.8pomz5M2MSCnyXrbgqiGnfBdH9pLVdJJMVeXD77Q1tR_.XVXy7bukaz8WiTjQUGbXfp8p8Wi3LZ30X7GC6AG2WHmWwvUc_v8jtHFlc07iJrCIFQaWCluOOVh7FBTXM9Zjom.03SqBgz1nRngYYbzKfo6rdSwmbUbeO8stQOCl6utA4WhqUSyYSzWHi7vAjRMrkvoAgTieWiwFGcaj3ryoWgDCqtpslkijpBPMsa_kbIrLFc5Zt3S5jPpgR7fUgb50_GZFilhofLRDKxRP8zC6lcdU6pt6iN9F7DlF21.lZTr93Lo.RfsaPJD1GR58qTLYY1xATSlvNHXZSPyNpTJ..FGIZ7E_YLrrXeqnZQLbAnxoygs2H68GcO0CX0C8up24rxWCGXNZxBM4j0ozVkUUrFprGj8IDgypBnFC_LFociBJT3YT",mdrd: "6.CFmEX232M56.n58BumwHoxU7FA_fKHr1kyP5sTSz0-1739393265-1.2.1.1-hkX1VpMZKmOINLiNUWcrnA4.hgynN4eHfp5wHZBJIg0p73WOfjKgoyxFt9RVlKSsMuNXbk.bxtxP7rzlJMcOhqV7t_IUTHX57Y6Dcvj_hv0KnlWS9sBWJ.WcoMPFcB5xQ71Q.b2l1oXxkMSA5bY7xas2_sbotXVh1pjWdsrIXc.U3ORvJleipPIDVzcWWuWf8t0rn64PBQHJvgP66TJTAd6TEAEL.u2NCBAqzaPPzJBxVONu.z26uCHNKC741CWyMv85ROmqAGny89EZwFeQUleZpx0cHCXF1iOil4EXBcuUdqAD9rBAvZb6Xox_DVidDhNI10OxHuVxtHgkqqNHTeVbVmzF7zkYbH_doOZJYomXo_gknUZmAoJs0KbMDi0Bl62xTaIE3PwpKGGqpVRdgChSL5dPbY2QGhrJP7GU_4Q6Ob0stOWMsSBFjflsrPhY77rffYLr5B4gSKqdO_z_5D7zZFFUHGR9Iea7zEib2epo4FLZNXDvRVzMZlquW4lZJjM7k3sUSR2VFOhrOf0NGtlD37qQVguLkHHq1NRjougHdYp6pMIzKsSa31FQhY_2gYlXdKzzgoFE7Sc9ANrSJR0HFdSA7G.JW.usLo47rmCnmVmrWoPZFVCPVlCsy.0RqprzeemoKCQadhZwIMJr1hvM0orhGfn.bDBTR97_f.W47j4pXutYstm8.6nZAZfB1R6eGSCt2vhWmB0jJNH2SqKQpSuypMtl1rqt5ewI6YSXM2R0MTinkW_7tT0Vutcpv4lT7s9fFI.6emTTU80nT_kexzivrEvqFBhDXZ8s4LdR.XHnxysf47_AZ077iBD4qr1rB9BwbTwDbb2sKV1l45Kl71pdIo7mxTLUIdQ1WnvwKYi4OSqUU6EAAbVZFD2qbgV2elg4ll4fZkckMDda62XSO15zcc.JwYBRJ_F4sY7J6JFsOHYyJssdOjENIUWSXTS2ZBRDHLNLXE11jGf1jQtltKUHe8HJfV3S804hoK3afM3xOZ40VzCRamMQg7nIC1W7YgCAOg73MHz5luxGlkHXlV.vS.hYyRDv7pJJbsEs1XPE845Rw8YoeFUhW1IIdtjqEG6Ek.RYZslzfW_ksgTRWPb.UKavDD5JlGpirnPX55jvj_0mhpk7wuFlH9ThliXMmfbsdqYYy2eXxP7YQaETwlW9JPTAaXr.kI9r2CXUEU2DokuN8Ox9yP2nKaOD9CZTUSggQMiFwa4RY68xHUPC.Sk34RUVqt57hJpeCcqkV0avxh74AuTn70Chw7OuZsBBPKvLoSDugp.N9zq7FgA2HZX7Zp1YvBUWWKfapPOKo_ZC2RcbqLNPVBLtIr33vZ5C1Ucia4ZB5Dhy4D2UR71CPt6PlLi05WUzWYw.93uSmjmDVwn8s96IZs__mE7lUultz6mwHVbGSPyiyhvJtGKtmWXSbesWT_jKP0p5rfRmoULt4D0wYNIIc9tHenP8p8ofD7MKcPcT2WsQzXR7yVBtSr0kF_goU4AvZnPFRfqMW_gBV4wi6B8pMYsuO.M.KyIXByE3TSse2qtmNFxEdGEEeq7DYo3Snxuk5yfZ6yPhMTUKiy6vQ9VfzLFhtLR43j_.EGHKjlo5BzJY7X5M5HXJRvHXlioAskRD7oWy70AoraT1Ulz3BEvk.CgCjvEBRP5JT.vgyLOTG9vrR9blTbzQK5qFRsWsmcxNKzKmHmhER0zNCcHgCfnwRXCaBP1zkK6IHwbnoCvH.0ut1DzagLpaARn66u4rhEit4dTQO.HcfbyRmPeToNlm4rzlCc0SMdq.C.xSGkWfNiAcrv2HEQ"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=910f6f838e21390e';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\/4390126758?__cf_chl_rt_tk=.B3PsXVLCynfPyfRVh1fpoxv1YBRvqPsBoOPCkZYXc8-1739393265-1.0.1.1-rCc.G3n8HLkqXJadI1pzs_ZDpvu8KX.BWlZoXzF4ruc" + 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