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-373727237131.mit-edu.top/post/0124857396

  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-373727237131.mit-edu.top",cType: 'managed',cRay: '910feda59eb7061e',cH: 'nj.mPMmMNBHaw79JiLG4poTMgzYCddCSr3S.c9vonNc-1739398431-1.2.1.1-.W7E7zxDuCPwxJ3jgiFg2NQD5U5_HR.1Y1_EDdk5AhuQx_7Z9e2hxpc7lc2tpQMn',cUPMDTk: "\/post\/0124857396?__cf_chl_tk=eyQhPEyCi.Y6RC7IH_T2EyKkgfKRUtn6qSDjJ17I_OM-1739398431-1.0.1.1-cOOAaF5nD1kj_eK9a1_C_wOdrE13q9O3sAHBltCbxZc",cFPWv: 'b',cITimeS: '1739398431',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/0124857396?__cf_chl_f_tk=eyQhPEyCi.Y6RC7IH_T2EyKkgfKRUtn6qSDjJ17I_OM-1739398431-1.0.1.1-cOOAaF5nD1kj_eK9a1_C_wOdrE13q9O3sAHBltCbxZc",md: "9g0gMhRp7FjBPlg7.F7qVnd_VIzACYwAbydfOJ4mezY-1739398431-1.2.1.1-PfJPBXGkMDyZY9sMugA.3BDNODgcyyVKUBBnCRbuYnEsf7Nkc5zhuimuSYL_YT3p9btDTsdyrKhfNw_mRAC9O_wZujrZyeRSxw.KIFbhczifhu_ArOLSN5bivFZ7gY3tyJmYSxowrNEG8U5dRJFlm5llYxeeYw5225XRSHgETWG4e5vcOWk1FBi7xi7UebXhaaELbMaLVlQHTrqvhdorL5Bc9HiM4khWuooOP91pZBc8N113Uq_QvNLrrkvtqz32FGHFA257UErRtvj1Ku_t_PcrSlqatnU0zoNu3D0Sk7.kxW3wn1YNDnszmIy5kGmFa88b4o4pTMkG3KVfdXT45K_E51ezCGVOgrIJrQeVRJU1t.3hkCNChVPx6scTCaR0TEyN64g3rBtReVeySq5A98ksvYxSqDqmya6A9NyQT.AEYGb4p279Rg6VZuqhHUv7cBof8HB57.vGCcfwUqFcmdHo5eFcSdjdUHhO2sFk7i8LMR7dQnqURxNZfpI5EAUyWTX5B7EKmIBZt3V1VtMkTQxIgjzo2Mmpw2byBumfmSufRqxdn746.pth5YvCFV6wOMrd1u1gQFUrDEafIlNfomF1cEjr135LTI_t6Y7KDzCfijTiEJL.P1flMhn68bIcfL.CCcg_PnaS5uKJRbKICj4k7bnVm5hLyJ3wBV1UVZGMUYrV2TCzuqMkbt052zHMjCqabFGeyKFNoC6C5Inpo_Kr4yQYBdHZfJVK6_LVAo1WJd0jHcBJDzUwkncXiE_6PAybeqQLu2VPsav2Xcl2xQ9YhKaYvT5TVB9cPCa.RbwdRR3Vl7cN2hGA.BhiOjzhwDwGXQ5ewgKR5c53rFGcpvoUqbTdcUC0Ww9_03Ae1xm04lMhmS04ILVy3k6yXvdicJ3XMEQ1z08G5_VVf0XyryFZ8F6y1Y0S8ySworjg2XcMU3bZJVfwFrRf7zZ0zmY2SYyRPWUG2h8GyytDI_2M_Y.AeHTi4g1nK3eMiKzYtpPrxWG2rkOik12ZGyTxcOyWonemxBwtuR.g6S5suaFY2MOUPr8Zsx3YuS8FXO7YSRQFI5sJWGo9gMOnyyGvQ3OVGtdBQlbHJw9nZd8jD50SmkiMDAAFjep2ZkrjvQxPOxUnb4LugBJS5jFuPPO8i6eWLlhVUxovAmgqMCD.DCHfUOWtGVuwR5YUVyhvTEpQMwETaouX74Xp_W3IHoV_Dr6SFgSZctO3PPD7Tv16mgNYQlTnOtPMTDRi9o1HDwQQqDX7p_2DjPgadv7B14QlDmmeEGfxqpWH7dGLnWHo3g8zF8bLmfbr5joaj9J7SoQjW_vmOfA8BCQ1usR.l0NfsC7CKgYx1ykK4SS5tjZOXUHYBTNcS_B3JrmUGppFvv2mExkJdQ1U6LJ8EncRLVCON3a0snKD_n.WxhuMVHWeNq4AOG_jN9VSOmYhD_RwD01cL.GOEFlaBr2MIf718Ixr_bP2At9R4IMRjlg75Fo4wkU6Hs0L5JBShSxfirGCSvU7wHd4DclWxP_hguFMMti1nGbHdiQk8k31l2FtL5R2xGbnTWjun.luU5FHHZ9IBLHvJcqOmE8wkDWwiwQZTYDg9xeV9mY7Lpyr4bQNoGqffyBd39R.RYfMbYN7jknHLhS_Vh2AI.4PedsEmaJbUA_ZifP59HRzQXSY6q9JWXA8.fwBcOAln77DzvtWoMVMKh2Eec1c4L8upidE6geYvYWoy.E9VOwh20Eulkzh54R4CZyGGgXMKU3Cwu2sUDakLxz2BiPfQuBGlkfuPxiK5nTZe0jT0ncVBqnQtH_jmBxy9iFHD.enyN36qjeskyBv5glN8_zdkc7dl3oicaKuus2H1wuODWwx22k_JEEjTW1_0b4tFR6YmqBHcHpG4ImCysW5VNmFYLW77ryIu.RAElNgsKun82mQroIawA3BjcVZl2IMZyUHYDq1IURc6rw.umHSoKxSuVtx1PHhMEz35fwqOV64rVYgXudBYSRcRIJPf7GCHoJL_XN0sGPH1_pfZwuiwQMn2SKX8yqgtGcGntY0ImwbuhhEfX.oilK0Cxd1bSJDd40W8MsasxfEfY3C0AuB7CaLwN9xRTBNKGnMyoJuLEe0oDKy.1HVyI1aIF5H4SudtKgAvcpD36reJSoM3oFAdD31zetwNbi3GegMo9Bn2iZjg.67LnDTjL5dOfAv2sXj_lB5J4cUidMo8lqy.Ot2XuL9x0sHm1_YGcqn8FMocy.H",mdrd: "dea2zZv9kr_B60_51tXmesqOJMVUxRVPVOSEwCN0Gfg-1739398431-1.2.1.1-tz2qvIHr3Ew7j6nl2VDS3ByJcjdDJrMTn0PmthogPHMNzuMUQOVCjuHF1k.sV5pWGNyrdKRXExAgAOjBJIhoZ3xDEUlmqOlVYaHaqsoMqtUYPRlUnV4tbavb1FeVrrQgZzZDCSBdPWnbSt5.uN4kDoVY3DoznSBqzdPqYcwNfp9aejPhAE7Bx5_V7ZBzdug9NtKR65HXG2Ov3LLaC5uvnXhTnxPwJwV0xySHRF7dKnwYc1D9QrJnsCBp9rXakqTbo05slVZPn7XDHNdSW04xhHc4vEOnl31cmomJHwuDnXKoyKyCj_9ASNokGbfcXcfmQgwUNGVqrNQ1er4UKCiUspCCgg.tu3G_Het7pD7iaZaZVfLOrYmF2rw0PkENIOCh9bh2F2kx5AYyg12aTgvgOGGkKrbtNyvmnjA7i5Zo4Lp59nzhdbmUXCC0n5572Tef1ZpdEjTmTjIoDLXMHn6A5U1XXKMLTNGPDysdUdYCf3JVM7q4RQmei.zvNebzeUIklQCBytFUNS7yluQ.jLux_n13EygP3WXcexwLY5fz6AkyPwz_zc.TGaL5rCPX_bcpOQB.SfHUgT1LXGESfpUf7Az8Y188lW11Slqr3BF9uZ48uTu5vOz5Pz2y9HjEgLI4w5HjcqXynDfN7ezO8v2dvEhJIToMVybD3x_Um7CX8iN7uIdfReyjAURAjqkPYLe7oK94GGmaJ4qS9aLUl03kMOEiXOOFHXWnuPfHOfZKwkeilecXl.T_iLoXwn.iIoyxDizAWxBLR_eEI3li3m6OvWksmuX1F6pCefgPYT5MFwpGj_v5oMsz_xHM_eZH1.o7mL1h_lg.n3hfEIyxobbBF8LjLKnxe9jDUpasnMrELc9nWkcOrC0Iq7OGLH.75_aTNMGA5Bo9xXeJDv_.6rEpEe52af2neF4jWePkjM6dPZyvAKHm.e0sCgZ21Sz908ck65S8kZ8dTL7UOxEpzbPykFY.Gm_eB3aN05NItIYUDAOOKKim9mT.eZGD0kSysqoEnS6L66PF8egEzXkxkDA.ORxU3GG8ipcTMHTwBiLdX__NsorJchpmAB7i663e4H3CxuO2shrOdWt1rYyTA5y0yCpVMei94d.Mg8qBazwklPostDKAksw6dgxr17iXMEHSqvg.D_O5RwMqZibbhx7CHqMM0VuenvUxF7jG1l47HegksIfp1bbtt_ZTW3OZXwuWw.9uWd4buxi.czto.QWxHfSRXVz6tSxQjOxbdCjAjNZANpgVwgm55YjqSxH7x5Xq2PSExQBXLwILQdN80VQJSFZVY9s7WIG8zATV76JbVgBh8jcCbbqcPnlI44rh0KzJ.kbDwUuq_ZprEtZy7bp5FtqeSclujGT_GsZKDbBhJN62A4ToQ7PxebRZ.jhplUOJaWtUtsDRJLdjeNxfYsuybpJnlUQK._O9oBYo5jP3eq1sfVwHkLp49IG5MbNwqzLvT5Mu153Wjs18o12F9BmpdP1S_u3ba1d5ORKTyiy_Oy_mMy1fBXC4.xnA5GIR_LEs2B9323s8mipl4sjvZtJcfyC75y18VZeu5hdpqkeEfGufennNtojlLJivgaICeZ.AIlnvzvTdmCb.3Oh98Ocx4nQxcvXM6ZmNCx524jtMnQd.zbUp2v0F8gDw15DguZKc7jIA07Q45F2Qa2viaZzwNGS3BsHQ7k0xUAe9j0sTp35Ul2QC6zeu1ZkxXonpkp6Qg74XNqTK4KjbVYfGtzm1NQyTowRFT7hiDCit6y95vltlqO4YkklpT1ZtEGAlN_iHuhuL6AOGDpwQ9nc6hlsteQ"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=910feda59eb7061e';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\/0124857396?__cf_chl_rt_tk=eyQhPEyCi.Y6RC7IH_T2EyKkgfKRUtn6qSDjJ17I_OM-1739398431-1.0.1.1-cOOAaF5nD1kj_eK9a1_C_wOdrE13q9O3sAHBltCbxZc" + 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