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-529016375968.mit-edu.top/post/4620987153

  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-529016375968.mit-edu.top",cType: 'managed',cRay: '90f656c44d6bd668',cH: 'MlWGikwtPUZQJgOQ2l7SzFZUJxLBvTeA1tPqo6cJ6uo-1739130107-1.2.1.1-LhhCW3j.GQ_kGuZud5svTbOPvlKMtlT.wexO9biUqZUtaZU8Fa13Ah8HMoQlgk4r',cUPMDTk: "\/post\/4620987153?__cf_chl_tk=G6a73HTTz1Bv888ABTUk5qLUJH_xpiR_QPKfnJLsbAs-1739130107-1.0.1.1-yj3Ggw8zdLl4qHkLJneuVGy7dI8NU7bsq5qd4wFSa.w",cFPWv: 'g',cITimeS: '1739130107',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/4620987153?__cf_chl_f_tk=G6a73HTTz1Bv888ABTUk5qLUJH_xpiR_QPKfnJLsbAs-1739130107-1.0.1.1-yj3Ggw8zdLl4qHkLJneuVGy7dI8NU7bsq5qd4wFSa.w",md: "gq2h13GXJSsHax8Y2jxxev5C8.v2Snuy.oJ5UXF.S8Q-1739130107-1.2.1.1-6gIIDY7ILd.xaeQF027z8xGJhRxwnZtATj6RexvemvPJVC9GO2YRD9YID8WbtbnMQ5kyCClNyZwK1sryLb6KaCoIw7kET7yCxbtKc9lTk1jpEb8lCVN5FazafP58hAsA_s6fUxs8PZMHyelKVXlOvKsJ.tpWt_b4AY58cYctMRK4ytrTGmkRY7EOwEzKSDA2V8mGfMyRn1obp6kc9_uOvdPINjxit3SqTb4WUFBOeqY0rO.dnqc32dT9F2IQY8OLHgC03XbC6bh7TUZWp9BX8K1lDcvq5NixDy.mT8pEv..kLZvmiV4nXRB6sPvTp1H6qjSMsMxJXNlJGx8qg9jeGcgV4_og.sbRzSxFTanGTwp4zqDq8.ZKDKXmA_Jeo4IXTtp1a_0L36RLgnCEDI_oV3q9u3b9oKXpyRiuaOD7Q7eQI0..kyjS4MLgJSN86ongKdHce.s7rk71Fl2COOeQmt91AdinlLvBw1m5GsrVL1j7XV2lphvZz5CePifsytoB6P3UYnVDql4Vjq.wBaqwbGBMSTVqDsy4zp6sJQSeFbhQNFkYC1ccSZkLVWLlyvfa6NoA8QXQezK1puQVgcakJ8KO0F88okL5C8QjCFiJ737elweKc.EA5KJkHR7eJo7iEdZcOO8GfHFHKzZngEufUjNgPS9pT77EvFojXJUAt_lPDNN91KOZFmUrqpJQQVS2p_cd0yWlaqisJXUggx0sA2MqHJkUGrqqzoROlOWS1Xxki3fUw5KWj8dAAJAIY9PnOErSYQo1aC0vj6jqY.Lmtgf7aJJ3bJN9kPK_t15fQGJLwJwJzM9P5g9ZIWwzp6Bh9E_SPvG4n1yRE6WL6KvHvFIYd0d1spkp.D9QLqzqmaLP2x.CLT7M1rSDKM.pNKRGH59tSDnIc91PIggYy30GSeS7Wi.nfVR1plp2dj3bVzwSsuGDE4GmBrWcEQzGZtATVUuhczueKLsLZr31kwhBWF_8RhSASaNo9KjZzipnYNjG2fdassp257giJp9wxSv890Trmj72b2Ec0YdEBROtbSc0pmkBhXr7bJYIYtvriv4HTNiTDN_bMrsqhC0Qz8E0TaWV8XL4hd2QqzbqZ3BOk7tyeexL5kqlRsoliAFJfa3XtXgkAjZcuCIJsH7pufMyjPJVTAiBDYxb.Dc8C9Nt_jE38EoWsjT.NzLy2eJKNm6TGT4OJTJcHgHSxoXT3dc3j_xdSzcyAFiU.jtS2BXencLqIIC1CFV4cPtWPTKE9UwI6x_436B0kNfy9CbsFYb65UY363i7j.MM_EZqMreCXU9pAM1NrDv.reZYLGoMfrt8rt6niDGaqZv.gSRrv8Sh7_Wq2ITAcblP3VNPdAlupNWmUs8Y_N5Iueo429TkyVsYBRMcB4SnSdar1XxTq2ylLjREQCFYNqoYqmsTdgSS0gskFX.UTrIUM7pNXqGdWCcekwKD7OdS6UDs2r7wXd5dcHCKt7B9cUUMCGewMG.q9dafL3Ibz0xbZifl15fo2G_Hl0XpEsWr5h3gSI4xrPLHf0UtpSyMc5DbV1sBjUpcym0oc9MJeF6e9hgwRysPcrGG_dQcZX8yc.IxqXhsH.V0R2Ve_StckMcl5khgjuLWWvYBEtEFAoVGxdhknYvyQIv63E.JFLpeR2A5yuLRBueJtdk0t8cXPSKNQeY.H1.yIzawfo5.R156iAGD.wqUQIfELRA4pMxb2suA3_nuqPgqpT2ZtD5rifdpNjipzpKzqHLnfws8kZNTDDX03N6AFXGDYhtIgzBBo7jKt9dfRJrXd32bF3DkJcYe_khHSN4FczeoNEzqjqaZzwUyNDRNeRczBJpaALqfBWLpiAg3x2ltisW_6rSwnyNz_ubzao1TRm0GbiGD3zltoRIq7u_YcQrmx07bvIJparkZwBAHhIpz5F1eL1aLgnHDaJjrGdYwsP7bjlKqAF2Aw2vCNTjLIA_N4kveBpllwfBxwAVqkLxS4OrYTwRmQzjgXxBJVsYKuQGxGyLpmdfAc9e22ZbLiV.i3ZZ2xx1SlcE5SjipFL2hkAzttKzLjm6o.KTRk3pui4T94WACw3D3IMPgnUDoptgLDQ8pzmhFrV_HaOajjlqWa8zAfU8.AREJh9zlm9YR9ImZfaSKO4nqpYV3MgzrgZegq7aAsDBGGyXARtQWWc1U1eaL_w.TeLaYf8IZo9O1t8wgnhejqakx_i04b7NWPvSQYlBsJq8pvWiiT1gaabcH",mdrd: "5mhPsf1S3_efoRCuL2uzi8P1z9gCI2H.fB6NRL13rrk-1739130107-1.2.1.1-zimu5PSRxYm88jneNw5A5WjUa2HzC9uL_oSb_Cby0y2dWjCRN6fDxhcK3zi4NfIAm4HBwGUGlWZ1ZddGe7F.39csy7vndUKrk_nfECr.9vbGZMA0913MdLvyfUMXIYQ89f9G7_bAESm0CUucjpKfPFp783tdsHh8oVbX.Yn.XdknnxOwyjHW2VujBYKt_jmTSXu3uDRMJ3ZN42NSVsEMH9aAxjceINGX48b_2rp1DT_dG.xUY6VnUZ8Dvl4l3qfaQhHqPiP5SE0_2UVmpWMJ_Rl8RD06IvRDmGGjJYZKGj1UBR3h1mM8Ng52fRv08rx2jxlxP_yTl18rh4DB.iaYSNa5OSYy_d1Njt7EjWOgydqpIyUhEkgqBSz9cWeElHdUCjDX1rQ_7_Yd46es5LHcDykwS4zd5pJZ.Xqqs5YiWmbgcvz7hyUOaQiA3t3qEHrUx.rZDXTOgXa9T78puTT.h4F9CvV52vOzoIY8KujgUPMrZBo8NHsLZdaPbe97AwLMlx.MQ2RAz09zkILQnGCzL7VPtosk.TcvVku0vMz1cDSsr4d.UNsxLGjJnhsF4o1hQ.QELjPFihlU5wx8udPxXi2JcNFiPLRwUwVxvQIW_JOswx2ikjw4McvNvrqGIPH7DXRib_SR_1u8vi5KhX284hfzyXjlD3Com5cEpDzQiQQYu7NfVVYsr3lBFYWEkN1o.O6ojuCiJRbTk9Z_yRWOBSuXmf9IkH8YPrJmvIpYlpLMEtkzygSLsc3nW6X6KaYvcJHXXzhCkznfj1BcsJrp11dMniQ0rAo_vIAMIyTKmVuHMDFUfinkxLiiXJa95hmHn_BPkgUHgC7_9Miitpwg36ra2JEpain8IKKFb7l2gAeopw0J4ea2vPB4DeSMLM.aFKe7IxL1kKr67YacJj_Xa85DUIH0QjWq9zI0P_nwJbvgTluBxE.PkwZXET43Gz2GPSik4u.O6ezt38_3hhktQg5FM.39avEAN.GytD8O5TkUG3gyV3vmmqsIMGDDXZwW0GSCtGYqLC9d4Xa.tOLemnOylUkTDEzb3zsVfFRGE1QIK0q6bXwOmZlcL2RAJjR_X2Jft08txPcUDFCg2u9X3ZICfIU7xavhs7QQIkwrdtb2TXLaUDcbrkT5c9Z9tL7Q0n8xMpw4Gx_FtVW5s_f6Z8LeQmcE7mbUtbrxADydvc08GG.j7cI2twO6a_qJyTP0YlBqhoaRRH2OgN85khxPNNj6DPmarT2byIRkaADV1Na1sXsVdH_kvgcmAOYMNpGaF3pUSh38EbtPoAvJ2yFQYiKxpD2JZoGjLI85ZLV0mGWQsowYSPF7ozDWqEJj_manJbb.P7EZ9SqDmm3pf0lrHldlkKELzZNWJzc2DBibD_T30AJdiL.eQn7QUG8gPfaMFa8kdtcM.EhFfpOxFaQg92QQmtIUL9Q.b7YvU4_EC5vdfdqlEaxo99ocnETaujPdi5ankaet_xQhhkbCTY8DfT4Hyr89l3lOo1JH.4vOxVD3w5aKYkR7nqnr77YY.jOYfXWckvmpJEo9UpFNRKZGrbIsKW16QnkUxdoaoNQ1PePGrRiqzNtfVfrJJvd36mIjkm5b7pTUVf4kDqOSpvaz.HZTjPZ0N7sUQ8scugLwAnOQj1mocHgeitBpXYw904O46OVBma66SSLhHeM.Gfvhw_hQNqzJdfZKCMbt8G.7tg5i2A_VrpgSYSHg9Ei8hB91bzyTIpEjHtmfi4OhMw9nK5j32ctkrAk3VHLx16mxseTb2TmMddzk5yJK6YXe6WQkn4199Dd.D9FOfJjLGs2UV3GqRNJPwjsDydqX0VevhwA"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f656c44d6bd668';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\/4620987153?__cf_chl_rt_tk=G6a73HTTz1Bv888ABTUk5qLUJH_xpiR_QPKfnJLsbAs-1739130107-1.0.1.1-yj3Ggw8zdLl4qHkLJneuVGy7dI8NU7bsq5qd4wFSa.w" + 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