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-225442151405.mit-edu.top/post/9284136750

  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-225442151405.mit-edu.top",cType: 'managed',cRay: '90f712074b49c985',cH: 'mGZejO85g661phAPX2gxUhHMZKpEav9F9TLTYdfOtOo-1739137777-1.2.1.1-3VRGrOBd6iFUqgIteGF4VPofEnUbHZnL3kUtzMoum6HqWHjSHg8Qkr1b.7Aw4PKi',cUPMDTk: "\/post\/9284136750?__cf_chl_tk=J1bSLgjTH.JlzMzBQE4bUgych67__Z9xFnBNgwP0EyE-1739137777-1.0.1.1-CaV7tTNuziowT4.B7m9WDrqO.lLbIWyaHByUaB_8.54",cFPWv: 'g',cITimeS: '1739137777',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/9284136750?__cf_chl_f_tk=J1bSLgjTH.JlzMzBQE4bUgych67__Z9xFnBNgwP0EyE-1739137777-1.0.1.1-CaV7tTNuziowT4.B7m9WDrqO.lLbIWyaHByUaB_8.54",md: "Lw_FyWa9zSsmoBrJ.K.kfRaQ6cLabibHez3Aglqt0j4-1739137777-1.2.1.1-h7W8kFaTwH8TEJS0IogEBHYupxqfF27ty0iHfc7i9esu8IEPD4paZzmeBtPWPeAYQ.VNdWF.x8QfAhHGDcZYSutcdmTsKibpvFUJy9l7zmB9iKSpJzhYhNtwaVreUSP7EuuCFYB2GU82zL4RA8A8TYOlCbRc.IFRzl0acofg2mMaLECDFhkerpVkmD67GFcTvHMXtwBYbffYKljponJNWHMldDsAlEjw9pmAilq6Zp1Yddjb9Pooh_MWUJyiEvS4EFrvzTQGU2FaT87gS0WdhOx7GvzgaAf6svsSxnxlhYDlsLDTsnsinn2__eVSzjt585P_wZV5jg9dyDIAv53vaMzVhHePdPXqJzPRj6ZAT1RlX1quq8XfDwRJLvddsc1dvM3mttpPGTegZERdDcFHE8z3ZJ2WjFxQZhXCpfMJKO0NWTZz2BlAyP9syDYYlPpuejw_xXp_i3kTdHSIJwpFUr3AL9At4PWwc8.zj33F7r8WYM245ccDlKBZlWlHfAme8r9s8hKBLdI29zVpARMgHTAJsuiR.1Eie9_pnt485mjFK2QlHHOVoQi8qSC_rW0MhBuDk7fnwP62gQF4ikdFXRNW8NGzTkJYNVh3mnElkOj7ydbtqde6dJSWME33kNQwjW4hNIlSf6JN7c6nksAa7L78AXtyIZwctuKk2uVbhO4GA6v.PQjwugC_sL97cOVGiV9bHK2rKg7To_lvF3QcQI2btNmCBLFsiOwl0w4G_nwmKfJdRFtOYC6tv1EhMY4DsDkmQRJ6SZnrgW6IqTWyCGpFFSMr.8zOJG7ce9lUCBEDgqPQp3oWat2kZjn0CRDvELdMB0GkSRlNNPnNtwsSsKpmf_po0rLjS70RBd9at.ZZi2VH7dx6Qjoh_LcJBrR98gbBqVUI0uDuMAsyb6nz.v6t3SMZd4phJO8yyUKbA2WT1xxg.wj7kHgOQe0mdykXG4wS8ucxBqzLBQcqWCvCYf_JDUpdzbtCPoGDj7nI._G20Ipvb.pHnaC1f1QT6cnsnr_z1D4ntVh61tmI3lCu_ThiAtFXa3JW9ogKht85sZSBnynkG17K3firvEX_e2QfTGDmSaTVAaqR9TwjWjkTH7nSFQYIAlJbB9CI4Kn.5NcMe2YZnfBm5TSG2bBYkb8IytAyFKXlNjyPlDmBPiJkVvmWRYM64Tju3QCZ47YWckDUUbmMRrKtDKSLxlxh_60ejB6ffHYmtNx60cKcgGRbAUfhvxvZ6oGwVYtsLCiblTxf3Kx0ga3bqD7mjn.9yymSFp8lz2i3FXnJlhtmYtI1EHxjf5dFc7yDqwaKVb1bfM_MrQ5IIuoQxwZ47_YoedG_OX.hHNCoE2d7kq_FsgPcNzYSEdEtoeSfflSsNtJl3wYZ.KjJK1v9_bSVC6QNB8poHBCAcG1pikVxJhN1hoztMpBaFzkQ2q4jFQPruejBHAd_wdEW6ig3Zdk8iuGJv8ZnRKwXz2xJStJlzz43YsAoPMRXPic_lnC_dUlGkpldKZ1gwJBKCoTRsH6_IXEzVxZjN7mQ0s6b7gfxSIUpwZju0i7Jfgm5YFHcasHIdpyte4jKMKhtMsNbaL03CEj7xmQQujLAhfYCQi1eBqmpmelqwwOU1w_tAekSlEG8Km_s3kt07GUkgtP9VWAY9uERL1i8knn46G1C3CG.j5jQL6636e4xwg9cAc7HQ6J2hkYBeTU5HaLG34Nk3bFKqnPTI8FC7O_51NkqwU7CEhAYA.TRfxzNpnbp2HtzGJefb8pjk.jTiTMvgl2rOJsLvg24pNQh0YMErQHe63TJ40NEEqT707KDD8.L42Zuv2y8Keb3N5xuCPziabicsA4DCaj_PjcbS3DlOyoYWk6sMGq8yzLAUVkfE8wun9QufR4go1ScWLfnvv1MXpeBjJa5PF._Si2kmxWbjRCwzE.E3kLbWsnsjqowDSPNNOXZua42WjflQs6fTp.pjyZICt6Fi3E6OWZS9WAX12ZNuf_IRWN0Ol1hGA3lsjdxo10zi3bDzlI.0mWabH1np3ksPIefU0rso1oDEIyI9Yq.58rl7WizAvsosvDqnotVnM7ssXd_fJ3Ild48P1XRoZj3meiuzgjL9N4XtG.zm0BjJF9TuajHkgHdPk4efvvs0iR9j3eh7qkJ3b8.wagh2Ii.AwC19GQT9zeDrGoEDJaoeJX1R9QvgwaBKRbK797OHTxe2i2di_BT2kCJg3S4kwjhqiCSL0pKQkwO",mdrd: "dS8rRTCWu5OPDeT00o2oHS5bwF26npgQXxceAXIESl0-1739137777-1.2.1.1-ElnZFrLrHATsqdZ7oxMbPx6q79S6FIP1G6JwIe0leaPRtdnIFl9jKqu096024Y0cVZ1h7gDFy1.6BV1aCIsNFwnhJlpCN1JfVsGyObOPgke5CTujIBYDMCfhQFckY7TeqkAc9.KEyEYFxxfsJbwl2XXUx87S.CU2DuaEAXwZ94yLfS0fcUnLsoG7rHqj1ZdcQKdxoCZ2K5_JfiJLRAtYYM.USWW1LbKxZDCdkqbKc78IwJPO7DF.MCXBjdqrCEqobHrNGHAMVSlSFE4IBuEOKj._4vPiCQDG4_EmuApF5rea_pWRlcxBUAK_xVh8rRBsbsRMn6VA3YDzkjM34.wUwoONBd3dNeggA9fYNIzizQ8zbRsDOA7BOD6iwAM9yrTSjH4WtusvKqu3tcKB3loWcobXrRuaZarN0dAjtj8S4u_sYsDnLjAPtDSUwMVXQk_1XtI51TwznLWlSrLzmoA.8JIvhCQANhvdrWfpRaILrPgD5qwiqBcrdQ8CPYcfTPwQPcApjzPnAcFlODFBa27CtRy_Sj.a1dfJC4D9YMDUpz4dooO0hKA87JMv.MwU2IIGouAuPnqjdXW_fMriIafWKxGryWWwryf0PZi7ms5jFZP58jkTadYG2cNYkBTDNbJ0kHOw54ObC.H6z0lCBfFPdhZCIBZZ2cx5qOFMskzgSIcktwoejstAiZVwCH0BB9exNjTuX76l0llbY8vC6SQ4UCNKmz62slA04Iy6TOgmNDQXMNWsm8JbJ1vMSfTQkYUjW_5l6MWL9R_5R3qnP2it.DqpUQ4AYwCLWV9xRBk0_2EjkeZAbYBGlEtUPaY4leF5bXL0WsJvB0nY8RRF9_1Q_yfKqcOlByZAl3fjvgGB9mblpNoRp1Vy4xcAhBDQzpdQjSeyktbKUrMzO1NZxmC7vf_H_xndp7EUHOl6y2taA8H7iGW1hVKGNuicF0mtkUY2pQWTJrM8y1nqeln4sbv1dt6NloEWBzSmtUUeZPkL_h6jtsW0ea8e3NCZcy90LSKsA7nR1o5_T7sS2XVfE1m4ioC.UfMnurtDQ.aUc9AHgeCOAa6H.H4ImoD4xdnYRUc4wA3FQcxIMt3veQmZ6uOHCmtwOoxc_qMk2OVt0LKxjcz8VmddEWX2l4CuMNmoWbvlt7TH5kwftNKXFrF8H5lWG1zVbXDMjO3SJdRzH7iil5hL7du4z.kll_4_6ANJ9g2LsMhFVVEOX6fxs95RD_huJ6Kz41ceGHNLszq_ls_DHwtqNE86oVJjlPRzuDEeVjtuH5vp9Qw7xfjF5PqipDXC7nBABUc_9B4kE4HtPxP.u14YrPHuhwTbcq1jCPYwnKDkAo1C3VeI_rOYKCxTL7v.SOn1FAjrUCWTwxpGHWzhjjDOW18uXBRssmXlb6q0j7ikVpQB3lnCVxzX4irXDNIMyPDd5QAGJD6t4hJRDql.Cs7_XQ6mR_XQzp1kKidZMr8MFHmM9JP56Tw3GROkU9bfb7GfiXtTx_5JJJhWORscXeKg7ZL5qD9R0h_w8RQCaWKkDivUQfDv5wQoBVN9R22mw.B2OvKO.FWSXVj2Lpu2rLpMbyj3oc0T6wvxfbse4lAz7YC7w7DJBOIt1OuNN2hWTrFI2BNnFhonHkWh5bj3plVg0zxDno6ozgnnxDNYzLPcTPOydtl5UIuzm6nb5xWJ8tN7nXjqsp7YXK6i_861DVV01Qkq5siQIyCHtEQOUA9_BhNceAnrqMh.YZG0RRwpQojxDbOU8xZ3Yn.yvvAv4WIYkUvmN6IrlVMRVknc17ZsbcxQ4w0ewC.YrIXLOtzcVBgN6NQ3zTRFijFFR_poNbp_i4l3yvv4Kf.KSwKZKtNK"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f712074b49c985';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\/9284136750?__cf_chl_rt_tk=J1bSLgjTH.JlzMzBQE4bUgych67__Z9xFnBNgwP0EyE-1739137777-1.0.1.1-CaV7tTNuziowT4.B7m9WDrqO.lLbIWyaHByUaB_8.54" + 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