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-222360581024.mit-edu.top/post/7239058461

  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-222360581024.mit-edu.top",cType: 'managed',cRay: '910de92d5cba39b6',cH: 'oMMxZIeqB2eryINfbTrcPw2fFSI2DgddYds8WgntMGM-1739377277-1.2.1.1-vLF4ATFc.vJ9rZgdqxVgrGH1Hb8domZMLF.8wEs4RE8ymx1xLHgbLTMS.AIa16pf',cUPMDTk: "\/post\/7239058461?__cf_chl_tk=.Y7rkvNx0sC.rXnfLR5Yts7fH0g70MHyW_QvzEX9v_Y-1739377277-1.0.1.1-noHapuMcayWS8iud27cOf24_StPE74doKGJ6CzaQAOc",cFPWv: 'g',cITimeS: '1739377277',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/7239058461?__cf_chl_f_tk=.Y7rkvNx0sC.rXnfLR5Yts7fH0g70MHyW_QvzEX9v_Y-1739377277-1.0.1.1-noHapuMcayWS8iud27cOf24_StPE74doKGJ6CzaQAOc",md: "2JKZEI3ssZbMsw8mgC1rxm7rOLNoi.9WgSLzDEozK4Y-1739377277-1.2.1.1-bHZ3Nsk0x33_VQbU3M.tCfmOwvKsvqdXHNcfOlF4r1nAxIkONNcbPePLaZ982_OppBiBlcLHkV8Nodkpmu6y.TEV7cYKo7UdObnxW.Qi7O8_bBh85zLrQ2gO.5dc6KgJgCkadlO4YCZplE4kFg29XMAgXr2JXMb4DCUxsHeioEsM343XhY3Yw1eQb4lS2g6iWQkM9dvvdXkncvr1fQIQxptU.fBlW0KR7b2If7cWMlPa9aF44v4QkrmhT0raSqiM4mNwiacCpL1h1lBNFa4_iG24u9FeFJ_p.Q2p7sqSLGJR7QDuZQmtUgXbnARGzCSgC_USM4XlMmN1eN9h6KzxiLoEzgH9k0fRaNYpM7t2sRaFV0mC6IW352rH6DVzKzJsarN1fncXBMhhjg.Y48Fv02kqqh.mUo4No4nWM7IxqtNDfqRuOd1XlO8MtgomGSxSQ7hc62gxDufAitE61_vxMLLVVVGB1opNsTvU1LLPuVp6bLpfvDylKr5OCNZLmrtieax4aVbCcZT40mVzZ0OpPqGpZNmk9iYv5zK32XDkXhN16h.u2SDaBtrvmiJGRCDiguAfhbGuC6EasYFX.5rMds6d9avbyoAaLd_W7z4tJb.B1.4Qj4ipBAzndlmm_qUHuZEJLGvL.V9r2WITO419zv.VqH4h9harUzDWjl0otYj4ZEU04TC2efMIa3DeLLd0VLpqgEXx8gqh4YNfb5yuejqbxTQmG2MBLmzTSkKfLkKAGWGsJjjn93qDx2JhWMRjwgmcMlLGcASXv5jWhsSgdGPPtvMSR4_ededdwzEz5xT.ADGT9wsy6666T5J5ouH1Dh7_U5lRuLcfqNAEiIjr0PPyVmwN0DyMywbkRCmW7f6px3J1xnD.zwkNwxgVadm86KC2axcDr8Vc0Sv6GreYnt6OQi5EeQsLho9yaq6.z2x0fNK3nCWusm_xGAoMBHkFgRlvKvMDRw26FRRBM5Cko9JM5Z363iUntUnePGAgkjeSvVPqeQ7SuI1X2XJXGpcv7fooWlA_f6LY4Nr6L2nE.NhLwuCaJfmE7AK1FrcOaX.532wy0S0BZxD7jPzEaFZKNvU7CMz4oI9xYHOjGsYKAwynPlWurDID6tcmzBX8KRO8VklV8bbM9wzd_cpKHjSK_yfBExgyJjQbVAiQ5IFqyGRrPdXAZOuJS2PPJw8gzSg0KpZl1ArVZ1REgysETeAydwqMvraOp5FWGifOg2w.Zz0L0NSxsOAQlyrWJfzI0KfoMIfQ.bPPyNkxueNXR_T9H7Q88fXvcJlhwIjYnP5NmmAaF4MPGlb3iezJkix4kdLhKFnzBTkDsTb8mEtt5H55fEEoZD9sDeqVcSBrnr.yrQ22LYoeRsa8aclejzrbHNTFjvj3APnG5nNecxTbFdGVOGFG9fn7N.rBOzWwAPLyfVXkqFbdGDwPuyDg9KLfxym.F2YGe2jDqfYB_8WyNPZw3KgWY6_Dep.rr2JMo405Kx61_bEbtIi3UnJyDTYRW8ImzEiisweewyt4XfEwakTK.N.i85GsCgFiJGH3ZWLK0OiAXgP7TRaxilXBRJ4lWfOW7XGDt0E6dapeyYRuc161S1r82gqVnNyZwR76Jrj2Pg5YbTCK_5Lg7XQdhHH3.BkfJxPdau9ZX9WsWcMKqulN5GnHw_EKUbw911ZGqwyHqJe1IbX0QJJZJsG8iiUhOjF0y5n2X6ZJVgEQN9TowcyGFXfhiaXmC.R5rAI_cHg_2I6HZJatge3J1Yu.wEWXLm6t5_nPO9WT5DlK.zYUjtEHlAg1lLcU1UxRpZdjioRS5tJCwc28.Dk.yJmWFRyNrnnBpDcAsoCyUYyh0W3oJMQ1r9ilofUCz08NR3TC0s9AInV0BxhYJmfLzLrTHXgk_Z4vW86hijAOMf0zBnL.L8YkiXKowe1N_5XTO9B82qT_oXXMCJVSAy.AE8Cpl19HaIdwFoiw4ZJm4PMTvA5gGSbJrzRSAsJShm9xddRs5w1AkMqKGedcZW15b53q9Hn.lnzOBA194Z_fJ5Xb6KQv3zXbRakRdYNrGLeB6np0xeV_deRNKx06jOI5KPNRKN18I7RuCUUBJIP2hJgdYZNRSgFDVsGE40Za.JDE5Ahwd_4AzPh0nLzIO92yw7giu4ADXkZ2g_JywjJexlK3sxtuG0CZsYNquJjSeIW8CG6LQf1KTdCzL07SGnRP6ZANR92AjREmtq6zTrntuEygNKkuXuMp",mdrd: ".kYwqPz7eJhuih8.8Zh_oXgER.uU9CvFgdSnQrog1Ek-1739377277-1.2.1.1-BVBqRNNXLjHp7_r7eQrt6qkD7jfzqcy2cS1Fktn_PRXaOtCQIIhAojRT6.UPI5P7tc5vN3xjjQ2mCR0xtzr6lXjqIXu1OzUaex3dXmsDRcWdjPlX19m55VnCPyS4hNtpjJ7zDsUiwFhElI8odmJtoA60cjM87FZ7ypCs85ITq3oJwV3x0sllbRwF_0uTiqOtHIW9370oqE49kCWwSnrTC4saa2g3rVmyjKezTy_m.54qE1DHQpbTjYo04AMlI1XWH.bzmpZwYvHS2CgdehIJfT0I4J2nWTysQfcpBlp4oc5M9DO7blXlQf.RniuKU2.Ev70WtkbmEM_1MoDNJhLO7a19_K1Jte.nPSdq_Gm0DOylW0ErjW6zamv0lDgjcODnlSP0cceaXiNXaMzTG6f6ySGPlzxzoD0oh2lVuvB_TRizzNo6OtmFDK1v5m9Eq3nMQE..ZGK0WnGcSmqmD7UlOIVaDOM926kEMrOIekHQphiecwdRWcKm58HtpTvaOIB0RFRZg6Kh0La77A0TaY7LPVXx2csYsFvdY.zakS.9yPe9TolTCenvNNUtA1cIL40FRLeo67CEDGpf73ek._5iIUOTka9C1Ba0Cd9WbDNoZr.y5jFCU5gPxc43c4fdJ6u2NqgDT04J50PP6aX5dQgw1YGxwy5YHqv1PYTrDG3fDauM0eFaKN9J7aEWIPXNe22pO9NfM06KvIr3uNmmF4d3zxZLs348M_tOPYCrI9A0WUlz7ZMNShYDr.XxxY7IYd494IvYrGnOtjCDPaTx_VthI1k0T6vSjoXM009KyZmglz.8yc.hNmifXRweA6jus4oHVu.V5dfXxe7oT1VNCCAb.jOp4fuoFjMYnmiICuZTzXVwuJlMlFDh_YBFWEASQoePPtP8Xb5euxhLQ0OZeZ2righmWZbUaoj2fMib1Q3X6vsVyWAsoDcXcVv70bhVR4U0MeqxRJNFcASsGpAQOwKI8vKPCIHOhMibp.4utPRAlARbp.S9_U9Z9N0jSq5qK02a8lhCSUau4jr90aAB.3s8RdUU4zzWMEZ78xqdkqTMinve5c0tZF3Nv.OiOEqhAVKt8PucDKWDOg4hKKSF9h8a3WcvnzPldYkQRz2Y8yJf8dsvY_MV0a9EgzdIudX4NpEWrRqtSu5S9BDWx72bh7nJdeebPBbogIxwTtJFsPTebLttrqS.aPZSV3FIIJcHRbeFipnELBJHhtrXByTzBxX.l2eEzaMJsFMVK4ATyRt9Lq_h6dKFPECnY3UK60_tJcsqSkLp1G2Biz5B8b1vCfsCXbkt.c.2Tw8YjufS5ojAyw7HAZh_WKt.tprCjuC1zYNarpt9XpzI0k2uN4w13d7p1TbpkHaNlOl8qAsuZTCrMpQlvDFMfE68Z.FTWOkSUzRFJEBie.ZxZL1LHONhmdLU5x3i4MrvwzRi1GTIPtAtw7JV_uREK592kXMo7ZrqSt0sqvuvZghGA3RkVL62BxWwSMCPqVKxpJyFN1RnfiDTGrzB_epyXZl.cPZzq0VtK9j08t04CuZocBB4vX79nvD31RfNg3ib7ePzXd7Q8j2ZG.m_5xjtipUIVhdNxf92aSZWWTnBSlr1hT9y30PFti_dHMLpCFujQj7qLlBMYBYP0nrE2ayP0G8HCfgSTLX7oEgKhJDegD1GRNNXXzvoSV_7qvip0q3h1yTl0JmHxqHrxYbMkNDozFZUgpa65dtKFpPKYIeIX9dKAKxthiShGAmAhiuAJYR5Ckc6hGNFfcjU2cLteq58WMDmpTu1j2PLkRdBHG6MByt0HITG5m.L0Kr2z4lY8IhFAgc3w1h9LZvIThIgSYefZMSCwHsx24Qwkl.B"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=910de92d5cba39b6';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\/7239058461?__cf_chl_rt_tk=.Y7rkvNx0sC.rXnfLR5Yts7fH0g70MHyW_QvzEX9v_Y-1739377277-1.0.1.1-noHapuMcayWS8iud27cOf24_StPE74doKGJ6CzaQAOc" + 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