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-241187209072.mit-edu.top/post/6712380954

  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-241187209072.mit-edu.top",cType: 'managed',cRay: '90f632af280dc9ad',cH: 'CF0sS0E.L_TadVedB6CbEVzxvhloU4P9btIi4jBeFi8-1739128629-1.2.1.1-UsdTKnRByQgC0YnlNlihtury7QTO2lU2bH1bjDArbyzrbpxo0vUWtsUKl0ly9AKR',cUPMDTk: "\/post\/6712380954?__cf_chl_tk=.KtFbf5J55w8i99cTCAvHZTqyIG3Qxa5Qo6lr524i3g-1739128629-1.0.1.1-Hv_Mh0FlxfHu8AS9uznFtNPskXVM9W_Y.Wtsw1xM3tA",cFPWv: 'g',cITimeS: '1739128629',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/6712380954?__cf_chl_f_tk=.KtFbf5J55w8i99cTCAvHZTqyIG3Qxa5Qo6lr524i3g-1739128629-1.0.1.1-Hv_Mh0FlxfHu8AS9uznFtNPskXVM9W_Y.Wtsw1xM3tA",md: "G2OCbAGZaqf4vL8zkQuRr5Rfc1BQBapr49oN5Ff9wrg-1739128629-1.2.1.1-FM4cnuBb6sUd1QvcUu_XbDbWt6bN83RQ5SqUdzRdVsmOdXbQt5uBEW1WQIky5cMPaGkYwPY_THLnKnMID_aYDd6ujNUI_xU654LMzPm3UsozviGdLAcVOymkyvBV58Aq9kpd..w86tUdQAu16ptvMBFPDm485TgwPJCXMRmtbPVxc13V9QPwdh2NuXWqXLKvFjgxHNWluj3TJEMkyjfZv7KeLEHkRkupjXW6eopLQxo2wGHEIdffIPGWaC0jCvanvthO23dWlieJRV6sfAFmRkPz7DRglbB4ouggvLCzzryJItRdhIsWqQ7_t1xHiPVMPEiZ8CJ9cfvU36Gv_wVdh_rDu5c5ezo8R9Dk0LwE9SvzwIFzHklkTVBlcVfHfzkUucm6tfmbkr83cRCXhwgLnpWTze_73zwFxaIrdjlpoIVXA3_coKCGWD4CShGMP44Y45fxX2PZk.voFQkDyYcNbj1SqjmZ0wgihZagn1GlHXf.jbPuzAb7gfr.fxTJrh7MvO4i2isHG_m6Ri6QifGvZ4TnY8ra3mo2fo81PxLnjSdaV7uSq7TT.qRDGd_DHz9F_nxtlCtbwBhj13y.3AVFQro1EW_bc1aD3_T5xLaoi2sxXxznRzahNxhwKY71QwmETZXtgJD2sM8xqbtNhxb23iCUPwhKOcW2aN7WrdN1eMSVrkMygHFEN5dtvrjwIZhaJe7ng1njoHkJ8BLEGMd68ZWwtDcmg3AE7XY12yyniz4hDH9mYXjkhwcoZH7OcrHaF13c5_uVaK9kkjIHB5Fwdw3yNWb3iq0nxTgmhCTkbS2tyPIX5RJr9AWF6a5RwIpsHiCqtVzbd22SPaBQ7OA.AR6iSiCClw9A8EVxn9XnSY.mE4sVZ.Mg_bu0T333wGrQxD.VHMWLOvbJARlKKjaIkuc3cjL.zmhObIB3G_nkf8ly8zQzYK4i_gJtNphpPfK6HKZUkdu2tRcTdEsWwB1yW199GgERG6H.UA4HlSKgvkOq_ZS9KUW6sKa801yXxZO_s0KWWr1V37zH1lqFosciKmVT0P0Zoi1TSlgaGZYv2Mkg1dgOAjH0lFV.xttldxskbgp5f4pLi5HafW2p.cJb3LTpYvOisb4kC7TpfF1JK_Rrt7SwLLIP4ssCMqewl8hSoftdo5Xnc1qGpx2k2WIwOT.EVzJZt2gxmjOoN7vfS5kyIpOARzouBcgLYxGrnAzTC0egtn5D7t6PEjyFKV2Ich_wLRjRpLqXYHXaSadhc92l9FHkXMcx7kzsJEN1zaQtW39MScL9s5EdqozipcpQn2HcCIgDSCdef0DTslWuqzRg2AWJItX0fdIGgC2ukPE54FzNurgp765kGibO2GAOKq7TCdy0bTLI_asK6BEwOicq0UFCWTRj..NJ.xdTqmU6539JDEszrOAJlflEE1CRYGFgRJzddy5FOrWnAUajybClnmbZYrdy9ImOGCRPCLJyan0Gppz1aHstA8YW_7YgInPHIuuta1.f1PgSbv9.nczC2hDkhgnNnNPRz.e1HJMasY7paWdtd_tfCyrGZCTaCWq6cTTC2L4UqP0MbqB15k.aWi4At7HhrUlVTlrqgeV3jNEGZRHdAG3nrUlz9WlB7JXyrQ1moOLk5lyeHOl_kcl181Kon8jI8taOvJxdqhFT0SXUQax40y0ZLCjRuFcP9xHinFKlnqAfIFCJEKgK80seS984VO3cIk6PVvwW5YFw8pWmyPyX48gpNChOPdItgm6Y6fVlLx7Bb873zprZ_ZuKPMjv3LcIO2QVLz7DFTbGqRB3upNwsJ4oHFI2iTyQot1V_d5LROSwkypiYHmw38ybkzPYCesmyx.sHMKOvnCiXgsYbSutKOPlV8Kzdn26qHaChdcKZYjKcHBhgcYtwuIkpA4CuvfondhNArAHhS7UgoSIp2dMJoA3cqZWVpNC123AWtY4clBLAU.ROkuhQql68XtKdEYrwF_Qk0Sb3aTlQpfC0szNbl6hdn8FPDHCFLHtZM.VPlnhIECiJa3YrU5m.gkTLdFvdxiYWunUwNEXtDd0qwhTZ_qAMaG5yJfjXOzSQ0yIR4zww42t1_rAHnJuBw0WkfLzf0rk1i9Z_mSQIQQwgBWBoB3xQJ_DiUqMHkU2g_IB86ng6tZF8Jqa.L5m0JH6Hu1giCzj681k6c8smGYimpEJFKjbse01mpT8A4Hc0DoP_EbUa9pJSfBjvFL5jfYH6JmjXH2rWIN.4_a7",mdrd: "APDDIbjvOioriZlD4frGkiLzU0BrplnR.69D6cGkvys-1739128629-1.2.1.1-qpwTO9LroFFGL1yTg5NrOWY7TcyVSRhnsUqjIHmC9E_b2Lybq7RfaCEG6XdT3cI_4j.Gzp0wtku2BfnVQFCkJbA4.43l6KnYpkA3QyEQ0XS9DNXgpB7aOKe6fyFQpvqH6_fU5Xtfezxn.MgffO1XdznrNIYYahc7p9qvJ4BbRW6Sry1OXVuzPEIEXNZr2EKhUPpafbHV4.rd_tFBWgJabuClo.ornHTIFp4_DJ8hWIcV5GYD.JSwOZRRsOQQnQyKhWqGP8nU53KGtbiR8MJudejilIW4HZlQSX3aPNnqqbjwHSmLHguMrq96haHIeCeLNHkx3J7ePzmi52qEr4XSU6rckUWmi5ALyE.dJlmfjAog48FbroEuL3qXTwrnhx5kga9EzBCBD0w4pXU_xqMSL5yofowdYSyszkGxtTcGSaqf6CIvhu_LhtTSkorYjH3AxKlPRFzz7_8sonDNbdqG5BAovxzHxJdZ_yfPxeYVR0raRkOuBn3hLZT3o0i5fzaU5he_7BOmn_Dg.hiHuLq3aueiI7YkmRCJRDPIrItgkzJIQZZP7JzEJIafYPP7OKaVwreUzbMGN82Unhwo84ABwl2IWiDf1AeEgwQnCT1uQmh.1VNeQDxJuUU0Jo3XQseHy2g__X.lHruWXXDOo9O.xBMgN13rD0ni2ihZ0Mnc2kJFr5bK.6xbBAdPoizt0BhOi73GO_HcosywhCf1CR94_iThDo1MGfv4jypeN99vkcjwIxs2I.ABDAUvqRVGNGjF6qq0BIf7PjbW_KZEXRfv7GnmpENcv6m3d5qm8vIRLYM.h8Vj86vMwg_cbnAP0wDdrOyyFdffoKsi.uhIo6GEE.f0PEvxvhK.1mBu7GiyNfXDmrTsiUwaZ1c4N4MYlkpBnIYF2V2cjGfk74pbkaaNU2KvJPuuJvkOWaiDFKRJKSX_Bi4cu9CTt9qLTLP8laQSNKxTAAipZ9Pf.DdS_Ga001tvjTt5VB5I1Fv1isrXRJEHIeV_QQHG.osU8PFa4dTjdk1DxfsRm7582YkZZYyHwZvTJdp9yLs9GtVA7RxB1der7ipzcBuR6cNooK1VeVunuNZYf77d6Lcu8DlnxJtc1taTmVleSlh3G1NTKDjGypFHCfagGRBR9TakvWxzKDPq0qvRT7W9LdXezXMdyMQu4dJRy2AUZu0KgdRI4COQ2r9GeFQ.ZnupgX3H0rOJtdUQdTRkQaRycl.9BZ7QhuEwVR_oRNurLjBU_qe2jsZsEJQpi3QxqqPHDbsFGsT0wxCtfZh.i7CRBcaLpOL.Y6SUkq0lurEZ0mppxwIAtp6K5JhF5T2sEcjIuGwIsFtrNSD.njzINXfOlOMuAGBNgf4LGehrG6jtnPUsPI9J2kH4NaNRBgjxr31U0dGeC_g1d5RhCpS9PsSOnWbRHYNrWSwxsfsYKlgz8JzOKcfV2hcOv5ZUN5Adq95J9jUIE7GNROaXVHXE0KZmfCCHXlR_TKZFBgyRStc8anBRH47wvzqknLb9ubLZLQMBdIV0po6WfGc6hKtV8XhAfyWCwDoERW8PbVQUQdvwEMtVUjKZQAHXw8g9L5msxdDqvEW2AiALFwnn1R1lRVi8gwqSenYmr7I4Ex53vy2CGjo2gBMUagjQFIqrWF5tmz4IlqIymeX53e4bP2p9sVjqu7XbdTtIKUAwElOX4x5aSyxEDi_1_AahL9Cj6bwOhngMa.t2XI0m9xmev1T0Ryr6mm8znIPw7ikZRszUaCmrx8CAP9tvbcP_wKwoaJEHKWO4h_DEWf.5INIGVFZT8K7LosYM08D4EZ1Kh2NdR1CuZbtZubA5UOkhFgM"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f632af280dc9ad';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\/6712380954?__cf_chl_rt_tk=.KtFbf5J55w8i99cTCAvHZTqyIG3Qxa5Qo6lr524i3g-1739128629-1.0.1.1-Hv_Mh0FlxfHu8AS9uznFtNPskXVM9W_Y.Wtsw1xM3tA" + 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