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-669880005423.mit-edu.top/post/6408175239

  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-669880005423.mit-edu.top",cType: 'managed',cRay: '9110c7215ecd3958',cH: 'Vp0.d3Yy41Jvfa2jQ_qbK8Vacpn7lSD4brR5bFrUc1w-1739407339-1.2.1.1-il9Nv6THkqeMaM1d.W4AUWzaRH7VHrJs4hxE4RJiBjR5.ADwoaCpnKAUT.l2XZ.T',cUPMDTk: "\/post\/6408175239?__cf_chl_tk=eTp_Vdg3Yqrru.TcUMqtJ6jUdhuza1t2ZL6F1hkILk8-1739407339-1.0.1.1-C2K6cJ_WICOMdpSJ3Pfd7cwovHqh4wpgqJoEkZtPmUc",cFPWv: 'b',cITimeS: '1739407339',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/6408175239?__cf_chl_f_tk=eTp_Vdg3Yqrru.TcUMqtJ6jUdhuza1t2ZL6F1hkILk8-1739407339-1.0.1.1-C2K6cJ_WICOMdpSJ3Pfd7cwovHqh4wpgqJoEkZtPmUc",md: "iPBgi7BvM_GOmsBfy6.IvfOnt5aHcVAUMD1_BJxZfTE-1739407339-1.2.1.1-apj8Nqh_1X2j5Dkne_z8TLOoczzz9YZRl.OlVILXTiU5r7kNj02nKVn95dHyPDmKBPiNqy8lQHkwPDoq8RiS13qQOR2H4Hd6Bt5ux.fXCCLw6AEaUAMVJA58Rr37WI7inh.lUtwYjj3R2UZOXpLg66LpL_FVUfF.ZcL_VwtgqqDJsvL9mO4fwnlc4rFZg3wfC18pnRwa3TB_I2o9RqXLNdpRI.w5Ze03F7.EsA3JK.SPDigqWhTtzOF66DgzNis0W_ZwErwbqsu3mNkwPQOvKb1ErX.nz41u9XKnQOjXlpRNiIFTXs86A6CT7rw3mCOWcVw239Q9E8ABkcKXpKx7OF8Es2BTBQHmqty.UdlNkobKGKORtYlNp1NlylapFtfQM7HKEceqO9pVZDvlMRI4gRASdeto7lEX75MaQU.NKASgpGKX1gIHzFjBuQMnQb34JYkdXDJqDelYUXMbG4kMxY5uLBSJyRwdy9dR7VzIjmvhdOCdEfzFmszYTA.uUQzDeC0VWqT3Ry1x2DFFQU3_Mhpu2dkj6M0BZt6_0S268PIIk_khxz88c9I7u.DmSHLIoL0i3s3a3WKTZD.qh4zIxpqQZqS.i4rmT9LOknxLcyHIPDWdUrkHTSfet7uq42apUPKUbLRmW4QMcX8i4qKZXhD7soTC1yjgiKQ6sldr0Uwu.Q4h3syDKcmv_EXyta4cWFIsOT0ZX0mLFxgGNWX69o4t46DScyVa90BQWdn4YD3a27xNK945m4Dpdf_MU56xmWrVbTAxdH3lTrNud9q.2P2M9C0IH9ZOGNtH6ZaLri4FLF4iRojmAiqTv0ia31UBS5ReRrob74Tw3udg0Ud1im5Xuzcu9szCtQiXkcZm_PkXPVih1N97uv4qt9dy1cc0Gz5hVmFoMGk2tnqHBx85gkQ5ztkfeFkKZ5gD.ATcCSgji55c_csMW.mun3kZ12c5Ffd.v8hVzoNSb9_EOePBhZHDyZrgYzbhNNbJllhtuiHDMICAm2hvcWvaF0uE2lfao4ha7j.nU6Vv3STxqIJSpBuRNXUD_Ha_XwcW_slHmkEUNtogZp7qS6v_TKISns_SGJcUibw4x1Ap2z64oFkaS2MNUy.AEMTOVl8CZCkrzt_2MtBHLZ1D4vfuQnlxyQN_ccAkwff1iE1E_xTtelMLH_0IRUxNVcBK6x7syK4j_Ep8lQGRPlAW8wMAOkW.5KXOXNSgFzuGcawmnrmzzayQjxe2qPvknGKsPwqJKBM83L_MDaKWjyGlUnSpLmtw238ffMxqRHP2JRr95Kg8hGC8yV1tj3p7Bhp2TM5pxZigdMsPRH22V4rDZoVCIbJfy_pr1lEUl8wiFS9DtsjA87QIua74uhHNFNoYoy4G9wjyCGaaFbJ8MOwh5n1XNqeoNgK9EjTSbeu_rr2m2QBOg9Q8ubshs8irahgmG2wHsAS3g8nnAxbJ3jB1x4i8L..8X2fpzQlk_hzxCDqD.ihzmWWK0fdmGl7IJAItaf4k0FjTesOXAPhVs5.vi_Uxckws5ezGLIsM2.IMeYdN_DNTCosbCJKcBEstMYQhA55etQ.So0lJfm.vxySKVy2Iknvgq6aCnmTAziNHsoBCYun4zFwY6zCOuhJBOQKcYd_gFoX22iVGLuq9UY0HptgoW9mh6.Fp9TPibo7ttquWcvJlsAOvuTVh_ofDGlPozEvPJ43RyHVvqZyWH43Q_RzSbv9Rc9rP0fjW4uAczrN8GQ_bLQhDMFX8ioMvNW8GXY6a0d_fUJixkXKiZPIOovLAcsMUaT35Hkg7jRk1eYyWC.M7Q109eOBvlTO2En.Krayv6VjlkbGLA_fHwxOU6jfwuJ4eKCeDzbFwdBIiluJfac_D_tMe2WQOqgnMK.eGIl49z4vJR7oCeXBDQbyPn4RztWyiGUQE1cRBmxtn_C47bkdy0PdS5R6PGDLwekPO8Ny65OBW1mmfh_MNP8CcIU_3i72YbhHMsavwNVu5esHtgIeUIY3f237nGbHl4hCx4p1kpSdVJK3jN00wWLIb2KKJ.Asf7PdJoCJNg4RrbLsTmtdwg15BreHBFu72P42Dxb4g8bMZwHigDUFe25FbVPrWic5caOsGUZOABiLpFJg.PdVVFgsPRwDnmavuZLm3nQm5nyJpJoWiSqbC.O0T7WrN9LXt3aaGb00ceXbFJoExlQnQR4V5MYKulGe53k9v8xhgZ.6ZK.625dXUxiVnH5FRl2N58vut",mdrd: "6ZkkGGnUXWPMmkpjQmRjATVorCYIh9CQJtT8_HvjOJg-1739407339-1.2.1.1-Fg79XMnf6rFH1NO9K3Ndg6xlTd6slnCZF6fmEQzgYYFJoCzINDPRuvgHQsmaxN6q_1PMvQo0VTagS11AeToNEBaJSb0DK9Lxp4daFf4sMManSfjtbYKtjq5YcQIxqDIB.6DzWGzAg85G9MQD0nooK2F9QsnyoKPvl7DJIawXCqIX5mGc7poe4MifflwWyfwCjljNID_B4joPsMiwhJFQW6WcY8pZpUtnk1Gxtjm99X3i_.s2Yn.ivg5o3pDYotSPNf3buLsNh16Q3uU1N8QadEmsChcXLw4DAL.6k1pF8XyeNOGqc5Ee0RQvktAZjZ2f03iEVg7Bzq7cOL.M.6ilBdfeB90ts5YQCvzFmCZDSVj3ohFE0xhGJpsUtik3Wh8CdTtfqLt3MS947hJIfg3Am02NJYw.9eEcBzGXbVI5E1IhZV8vgGKUk_X35qnfYNrPCmw8.OKsx1tAA_DgWwMWb3JrOr2iMUnKfGjlIews01cBci9LBDZ9_q6lTXlIQ1U4WpUEafIsIBZpT9NyoUxGDjxYKDqgnaUIEPqv3cLUXtkswpyTWlL3HzqXEwxDqqEH6m.W89SkVKKg0eO357jXI2Xjbc2eXY3mV.n5u2xelr.582ociVZ5xDy0PFpVeEfE1WzhSr5KRGJCZRu4MbaZz8HIsAK9JmnzdNGyDAWqe66cBEcl_Eqe5fa8HK.oFBAk1BhJo6A8TRO._4ZhI..nbu_sJw10.XF24f3WNsrRd1DLgokmkyfw31FktV0qIsjoR3294L6XQbcrW5tURT7_fiIy2ZMd7XTARPq3sSW06Rnnwr0Qovna.Dp9.FjB4UiQZjPxYMgE45RGq7A5FIFfSiTFTUc98icwNRm_33wC3FOrCTnNOD9XNBr5DJUufqwY8F.O0eKZdqgNFHX70fjBlTN.ocxOpUtlyG__8NBgyAlLRVYqgHBKENZGrpNPGmY3XeO09iuXDPImRgGgXIXmmE6eorel5zD23leFg5IRRKZleQPi2vWhvPhGlpGZLJUqH_1125zkhamx.Wol8bJKUyV4Qu2FsJ4v9WdXmgrxKv3SAIawS51ePhd5v00GYjZznl1GXi51sg6r16IZ9_60_hFxWweJEbquOERQ68QIi38gQtSskCgsy4FDs7J2iucZopCmY3iaUZ9kmc3B3CPqeqL0Xjr7yTKwsbz1ZbXyz0RlphG3vg2t1zH4uQASDIwD5bgsa0IHD1izBXuLg1TesToW79dlIjvAYMoY9eiULUgdPlVf4Wmtz7.XcU487_9mLUlZ1__3eUoiyTiC_Gy_.F4bZYPYKfT.xl4OldtkkVaOWp71rYvoZ4aEjRI.Ey4.LuGInOScQSHPuzctxpY4zODMN.jebyC8YP53bha5_vxwLA9VtQUBBoZr5kBgUh5HEdwLicBTos3xG5RqMl3RVBUQpC1EE9txWlrhhXXk2Q77oBCVsC.Te1tWr.u2ZzlPblT60B8TrIOiSk_koMhDemMHTGrYPNd.LOdG9XkPBSE49XVn3cXXRj3uNNrwuBwxG3VVgiE9PsqXKaXstOEJq.qcxZSRo608ckCbDU.Aba4zTJMlQxONl.6.TYoRnR81iCUX3QLETjSPhaF_K83xn0DPkj84YPusPYAZU.SHjkEguDLqz2rG6XFgMLlBQ3G7nVZk3b7iZGQmlMYFStZmxveBFysdaxBBmGa5ZO9PPI1HWrky.EQJiC9ddqbjHhvj050eLlObfeMrr2IL.NUWr8CDs9R2lxV2VRXZm.R5kWmiVPyJoIeSvUjxmDGwg22O8XpUjd4zIGWTtrsrf8Xs3a23K66xmDpKTEwdz_nhxxM"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=9110c7215ecd3958';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\/6408175239?__cf_chl_rt_tk=eTp_Vdg3Yqrru.TcUMqtJ6jUdhuza1t2ZL6F1hkILk8-1739407339-1.0.1.1-C2K6cJ_WICOMdpSJ3Pfd7cwovHqh4wpgqJoEkZtPmUc" + 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