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-affej62hs.mit-edu.top/post/4563170982

  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-affej62hs.mit-edu.top",cType: 'managed',cRay: '910aa33e7c8607fb',cH: 'ObM5NkalqsxXWzENzjKQoCtuIuU7m1eBWHBWS_QpwPs-1739342955-1.2.1.1-Mb3bU9ESDN5LR8NP.38gq5lW7YlXi5yZZ0HZYrwL9om6mgjeWht4jvdWp8RDffK0',cUPMDTk: "\/post\/4563170982?__cf_chl_tk=j74e1Fck8tS_bBVmPzBOhNSyf2bUVpOzXHozLW.MbI0-1739342955-1.0.1.1-jrx8mR0flb.dJOoyHWN.w9WtWvW9YW1K42G_aeKQM8c",cFPWv: 'g',cITimeS: '1739342955',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/4563170982?__cf_chl_f_tk=j74e1Fck8tS_bBVmPzBOhNSyf2bUVpOzXHozLW.MbI0-1739342955-1.0.1.1-jrx8mR0flb.dJOoyHWN.w9WtWvW9YW1K42G_aeKQM8c",md: "OsCOHQcid2RqkaDPOGKGUhxT7OhsRohKSgmGVSjG9zk-1739342955-1.2.1.1-SvX.WR6ZVvq9Q7FOGVTriaacmjL93gFrZQPkUyK9K9MDE6pSQdio3h0JuyPoGKgTTVTL7LeiaS6X7lDecYmjJ0IjtrblZfGGwQxScvtptxDIWfOHCu067hpyxq5IXnwBCmD3svlQRh5yaohHWwnEQGjCMIuTgwB5M7xYUQJUfoIXy8ReR3jsZ9kmLprhFBEQlFIzpIB656VS_F5KhATL_tgW78QP5vQJk1bcfX5d7Ocj8A3qkN0nZpzXXbh7lsv4FxRVMZ7c2ivt5brrZWM0cpexSPMBklFLEN5rh0zMPvvFRkyjUCqafNGB9TJHOErX1BYmrOKwsYkaQ_ov5FqwQlMQ6m3fADpA1U3JlshkTECKW.UW5piN4nts_nvLljeaGiAFVUiRYVPU_z2t63tfXSjHMklvzYZwIrCR5prAicL5bDQhbGxzdmFqYnsFl4eASV.x44bM7AmgUw5LfRSEQXn0AaSFdzNDEKI.FhFpX5egaWPeJMlZVXlab6LSRSXfsl6gHJsq74jsWzanrGDXClgHMe4JLlYWVQpjpPhM16S_FM21zEB01Gpr3LYlDwEvthvR20kv2ZyqSFqI3myMeIX7g3Cu5_kdWKajVjJfK7eQKnUgT2uT9EVOHWFybyWMg8ylgYDR1FO4N4K35XZh6G.398S2HLjGzCDzbI6fE72JLL5H7WnZVTCn8cPMN6nX71YLbdvxNx7GHygV7SVfDhV7MmR7Iy148oE4_5UGGzRTHSa87uCsspd0Nsazz77x2ULu0MBLuXq23XnHkyeIL5iVetsU8o29wODuQkBOvPCvG5XX37xJ8RUGFxVjAk.i.wC1ol3eQah_J5_oUA0skrqtmJdM1z_0vbXU7Mx9FFwz4e92HT.RIjydir2Gvs2VCk2Ay88zoykrcEqoxlF8ofkq_uxxas19hpyOSiAF.GtwIvosRkdgJU.4Qq02Cyr_5DtaPJBzovBpN5JK2p.8hTpuV704z3vVfzQMAtorslSWMslB1dtXP9nz5wXVZL0nLFrgtyZYSijOGlc8bdze3.gJHwiZJz2RhA8ALxZklxSzxGtP6SEtUlAuGFiPCU3fwh9tcQQNPvgglUAvJg7NHaQktTH4ed.eXwz5IkET4eKwPyFdKPATh48pSm2yeu5AKXp1XtJezSlbHHvpGAM6QGPmtc8ep_9TqLTQ7QOU5oXVVbDjJOBpkSifVCIejeJgfumv721_E9q3xLtStBamZlw3JLqyi7.vioCli5nGUbJ.y2EW8cPIncFcRsPSW_yCP9AfID3ju3BF8dp8kP1fJTbRG9KeQpOkHU0nSFQ72OB0BksjmHDex_9NRBytCKNlf9XZ_.yCIc3OHWnVFVUbMc9QhtdeidK2gGgPl8C1JOigppbCOBGkEW49.3wUdwZtxMWrxpvd6G9kouZTiVXJxZnSp5V2HvkRXwKQHs6EhaZfeBUtzJ8TRbUs0W_9s6PSITj4iX6eART.r3r3pQt8wJvC5A.2OsnFjVBiPgeMhnEr4trK3mTp0cCFJDn0CXOVAmjFdzYnq_h0ovwsnErg3iRVcNvFfm6z5GNEXnBZGgYdNtU.hXNfWT_EBZy5jTGxUgN8yvx.QWacyElPGCg7CRXBs7sK8SuDzunrFSH6x2IWocc8hiNY.EIrHepnjKhYNG1yKqhOpn7xQBldUM_L6dj16k26I9Pa.Fqw1aShuZ6ChH98S4VXcF2jL8hcy27YCvgPhpvTnMfbaCVeNxUUuDsvJgqCVgwV451bIgJGh4NW.KcdUQPigREb7bljevgIEYCAcza.W8VOayvBNw_iy6fgryl4m1pOELvXAW5jJZ83yBj3_5r6x5JwirVx5QmQ2wvh1mgX9vwGBhLBOFDRZ0dIz0FLdHuoIAkNVmmB4daGcD9mbQfM6sr2bKamjoZH0A_ST.di4i4tze4AhSJ46AreqyrsXd.GH0wJc2wFr7cn07qVrF4cbmJ1oRKEetj.TbISLQGJXXPnjsJsiKFhK_VFyzkwe20eRggJvyJXyyWjDLUSQPIELtJeNAHvjHkAi2vMEoUCr7l1NgC1IJ8mtlJXTk3gTVl1iqkFzY1fTgMqxFevxCh4YAxIc_ySd.waxh2s034tOZb8HFLPPAUh9Fs_ggbpqe2Y.fbEZyXg7ST700YF3VC.C.c1dW1ZIM9eedxVFsoMJnPbILuJUHidp9h4LhW6FfdCYqI1OJOXt7HiJLGFqF6LXre1PZZJlMPB",mdrd: "VLaDGOta5vuVJt2NIIlCBuh0O7IDfKQrXHr_PwgutY8-1739342955-1.2.1.1-oIMGpWZvn4tmRmgV8XciLZltvn885EekwoiOodCEZJLbRDEkuDsd6DSHIeugljO72kv3qChHPLfUBYKXTQKwzjMFW.KlVVRWFn8yQbHw5ijB9ruiYeIAkqxf9RzNNki_XzycZOFxjmDXBlo7rtoGSWa07ursusxnf4H_rYYlWK3b.sNR5bhEushEWE6AiP30.PWalMsfIWJ0sutOWshJXTEv0BvyLW7Y9mGzIdUzLyp6Th2Az49287SqNLxWlrga1EdJHt3CD_ZGOOmrhIOFIqn1V6gtx1VbLhdV5q.mRayftxYZlx2AyiXhfDqqqA97EzArTrhcKdEjmnXNlFax_FCDR0aSuYcpUxuOO9d5woX2XFAetQQ0BpqS1M3GpLk6iBM4NJXhIHGJHMoHZ3pSxhZLnNFP.xrnouZzS0KpH5gI4d6Mm5gk7GWUWIfwKZ4zstatIbhkvdUp94xoYDzPx0ngGNJESxIRWu2TNJGfYDlsIWfOeBuDxjMSpXq19mJ329CAH_r5FeC_iQGWoZ8e.4tkkQfMKSrJxHQ767GgkBpmkHU.k6mfP8xOl82G7N3TX16ny4ynZv6J5dDoAyNgDeB0y_NtVXxLFRyJpeusHagyoVUx0zGTsFVHgfBdOEWEmXjHXswzKMZQJKoq1xdI.SfVIG5iS4SRBDm5rG099IeMNhPClI01tZrXh1sVGpuCXLepRsQdw.U.gp.cE30drkOoVIGS950olGvqmivewLd7I79hlPwmSdJvnlcaUZxnMcywhuKN2malqXHeREtU0NrvfWNr9qjfjSL8qv_moLtHNtRHVn7x6SaGVQ8C4iI3njahWMdmMnknBWj5fqD4KCjBadpEI1gfHN9ywTnFvg5TP_4T56ukaUwVrzaWUvEgazVVJig6u067gNRTtwGjGRnoI7i.iACXbxl5LgkAQlmVTywM8.SC9zlVLH7EGMilmpZdNtJPIgCLCNUf4_YwJfz5BM27p25REZQ1qxnI3Y.p1y2n7WKSxqUjJVLBAmypLVLcYiUB6AtG8CBm5S42Jh_cowyV7_1KSGp5PTxkLf7Nnqm3eodEu2m5vautCOFFnKesLB1dXg9be2lYe7r.jLXZXN4h9.tCpr_ENqmzr7qKaMFBywxw4ereu6NSidULvGgQs30K2WeJNXXEtqgzID9qU.6olw5K84wzGlMn5yN4XQQcrTWVncDXOZx0uJ7mVRbaLLVvM66fQWg9K6CenflHM.0q2u4u3g70SV9_1CkvfnJ.W5afNqQ5KHtWYzSntKKSh3mN0QwiTpXeLM_iCgh9pmBOpHkjEPxMPWticmKRfwnZqidzQBWhOosARYoKNbO869wuT4z60zftcr2tNAdtt5uWimLYzwyUtQ14zCrHps7_VtEPyAxxMmdB7pa.8frrY0ZLvGWLV.QeBrBLzwFO8ImG_EJmN1dkUltBUeyJcyGzISzb4DAapp2ejrf_e11MYNAkvg.ALjG7q.pOzNEUMGF5S5WxXe1VHhhGjDN0AxtvHvryrt9toi9FjC3tbyWj7jgyN0BlEgSXH4Rgk8T1jMEacSacvjuzgLGgUQxB1jXlb4QpV4qrM8Dzqj3li.xRvqJC5i7seENtAiw7h1yKnCDSkdw0b8PHzJ2QUGOFLkADNr4rBUPmjfSU3w_KlkNFQTOtDAZ_PK62NITaITcwwsyJA0FJoi9eqQo65nM6SXTZ9s_oLt8KdXcX34B_EwIgTzbsYRi3waukIuOQD3Gz7Vp8wfnzdpWCeDRPxIGQYTd6n1hex6ZygqX2PltpVTCW1iJ.L5muQ6z2VEfakhwrpJ8HmqPJlwVCAbpanjc"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=910aa33e7c8607fb';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\/4563170982?__cf_chl_rt_tk=j74e1Fck8tS_bBVmPzBOhNSyf2bUVpOzXHozLW.MbI0-1739342955-1.0.1.1-jrx8mR0flb.dJOoyHWN.w9WtWvW9YW1K42G_aeKQM8c" + 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