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-affxqfadu.mit-edu.top/post/8754106392

  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-affxqfadu.mit-edu.top",cType: 'managed',cRay: '90f23e900ca9d629',cH: 'ZQdMFVf3ZaQ.FDiR.HDCYB7g1eSWMCsgg3chAxsxTBg-1739087173-1.2.1.1-l9Ozj6JdymXkx8t6ue1A_Ud9KlGD5IRiw_TDw8zoHYjR_jVfjnMnXIwpTELOciIk',cUPMDTk: "\/post\/8754106392?__cf_chl_tk=BsNmvgIYfNN3LI55KvkpHHQ7IE14H7lbEWxXKkRPESM-1739087173-1.0.1.1-05ehtabqS_w25XAS_Kp87u3S0XtIEeS7GbUam5KWsPU",cFPWv: 'g',cITimeS: '1739087173',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/8754106392?__cf_chl_f_tk=BsNmvgIYfNN3LI55KvkpHHQ7IE14H7lbEWxXKkRPESM-1739087173-1.0.1.1-05ehtabqS_w25XAS_Kp87u3S0XtIEeS7GbUam5KWsPU",md: "y0ZFwIfB2xIj47SinhWxZ0hTgWfQYhexCK0YawcrZdU-1739087173-1.2.1.1-r2Lnz.Pj.i8ytlDhPPhEbIR2iEjxGK.uvWdUMOlvr7tHW4Pnav5VtJqv4wO1sNdTFXab0o6QBOM.RkXiaUSq4JcqLv9wwH9XjmS1LjnYYoqeD6H1jaFlC8vI_bjRR_Kka6Lc8T2oH_yuYbu16Mj6pAAfAu11ETfxLkX0IvVRwHfK1sZXLENfcrpau0RR_ob4wbIYk1jE7mkDc3q9JhlkkfNbRMA4a5k7T3eYQ5zXRTRoKtc3vPI0dW62ejHKOD6rsg63OqB5K8SezeL_okUwp2UELOORHMzLXO.BSONab9mMhXBp8lNSQe1jTz.UtjK4BfO00QdPu3TXCHfq5k.oiHDvdeWNpHDR9lP177OkfhbJzyMiRJixruH0_nf4sw77agzyyJpfds9zi9Vu_koGNLu5bjtFcbYZoEZj7E2Zti3FXca9.fPStpBZnUq6HnMNrOnGvwwnFCPbLj7SRWsR6m_uXTIczPm29Jc0I6k2vcI_i.Nbs4I9sk2HDysWkPURBZhybXNtxWaE9CZFxyB2qjVgBtUGNl6m0s5jA1Ln1_Xpg56AbRvjGXwcmz_Oim09a9prlaBf8BFZS7Rud1qF0o8e9.Um_QNlRzRRXKgGM_fJc7x2gO.Wu8X.9BI2J9l.G0EBMQIBoub376XWXGlowW6K6vmbJzSjEhkIUtOTSTKQ2hvNeIkG6qyg2k8jcRU7OdogHYg5IZbfLwQnt1cM0zsdFm4atrPDdwUUfC8ketYmqHIFXwb8MeSJVT6ot_CRmcxr.H1q0ZyxyQQWowgr_Lu9rP3uuBLVahkC5fg7Y3oeKTNbOBom1qZ8dTwXIngB2EuIDK067PPQsOgPWy79qbBWanPccEGW0EZnGZMA_BLWBa8f5vQiQ2iAwCfrXmkJMEHw92g9xBjYSuNhWxqkpHB65KlH_DsM2YuhXKIgiWq1LXZQqDiR5cbmxUNeLBetv04jLd7PlQVSls9WIHjul1RW7bb1h20v4CkDqV2NtugN1D5MWpY8AgCJADduOoZgt5OE5S5WYuFJasmKqpd6iYKgdXv1p5xBrDCe6wbAjI2S8pbLAfBlE66Sbo.8_pp_OlNDM9wcv9Pe9Q1r1zyLV8sKScv1P0HihDAq5.qIQFDVD42QNrh3sAWnV11hXDh1hsCnAo8ADyViwJi.I8yp3PrNoahmTLpfJIxPvwONwpogJ8uuKCWHEzGqKFcHExH_8VdeoVf1LKGDyfyixsIQomrdwonx1mrbc0omfWyyUsz7bVviBdtYURLFa9L4oGqXH7J.0Wi2okI4dOrpHoSkzvS8SLo5epF0zicLWqGJVf5TiQy2Gq8a6boLy7x7UJXA4Q8sGWosVWxuOH1t9OHFTUi6xrps0RIQoDtWPYZQfg7p3cDbdf.3QUiIKvIKTaJRTxeHVyW31g2bxbHvcDQfeH6pv6vRnJ1iBtAiubQd5oRV8p8_x3KwOlQoU61ytqGuPYSTMom3M3JghATfNkLrpiB0mrzvGuoZ3KS8mMFqbtxsW_DyK2gqu.6sB9mG6Qoa8SyMkf4a1rAaIizm1541AXaNFZ.cNPyqoAEUyKBJ.yu2ZJ.wMCDLY1Pd5QE_5UKZZcEg4ig22qIE_qHO4RQ3gejU.rBSf4t56CPxRX0Sv_VX3fpN1Gu0bI6gXStlNxybEfiNO0VV1nxkRkL3mdwNaKYw7WImm.uw6nv5bDQTxpb_t6qeJJQpfDxohXyrqEZL3_yoRq47r7Kl3c8cNLqb1RjxmcJlg2ptiJ21MR3tkGC8HR21OarPoZDW3friqgzqUyzVEwkVsQ8gPTHfLjBCYupi47r3rQ4ENEJAYB.33pC8cfsFhkXwRiZkH1ariac6_HtwxVKEAgkfdMezcj95qScH616hpvHKRZEHUd.kJ2LONE99oIz7SN5SQGUE.CKzVBosckSwvM.O.b3YQ2AfTopGO.n3H.DmAaiuden_hMaDppyqUOwIW9hL8WzCXNIqB1wAIJW5VXbTWwYkv1lKgyE1GYOXXTRgliiZalaHQo1VpbzSn__3JTAZH82xRAOAJqhDvv84v1cUvdRpsUaE1DGrQKCZhwNEB0KMFxpjXs.9sSoEWVXdxqicFmobHEyH6mSnGYTAYFuZZedBACweesael43i1WnAJh4E5kBI9T4t3lq1WNHgp1iqrw32kwu2k7fygJyip5M0M2M_mu9hFepmL6bjM1cb8eB6vyaK.DeGS59aG3HIoebSmle.wQ10",mdrd: "d1bkMocffqnDWbDZPFstig_NU1bsqrkavkFn_JUxjwg-1739087173-1.2.1.1-A592seURcB6RSnQLfqjQBbO8lhD5u8lIyR_vGTxgpriHLje0gp43Fah57HvylJQ2V59TlI_MYAT7tHmRA.gc5w9lIez1G.gv1VvYDEiqmGnc52RG0tGvORFem3sjmvwDyz5jUh3ULQbBCaGRshzgzbXsAyOvaJujs.fmvmd4WvNiK1SdmO1q5V6cyaRTD9ydZaJeaCjivBm91pKtLh7ntJ9cjRltqP.x0yc.e9F8YK9NbaBi.DUABt3HMq19._7.CO5I3SU7bkEikfxZaGcwnblgAV6Ye0t2QwrC2drEVnMtgYQzOkzJiTDEy1NLV.9dnhib3h9Os5RjVMwpmaDJevcGRHiCOOz_o0vX59K99Oic3EdnrbHB7UuPeYOiPcSHBY5EBZYo7Xa4h95z.VTsoqDD9LtQmCSDnWs9K6kh78UEkqwl.YHL2soYglqQUc.5nNsTJ1t0IYQMH90JJapMovZznpBAEalzpbAn8cfe9qVYcUIB27xJ843WdHQ8R8x1bHcNlIYpzuuZQ76ARkNbEEtuLOhksErg8HK4JLeT9CYF9RQ87A0kMcPh2yCOGZck6X8bXwcykdKckYdychdZ.HCyfREv1nhO15tFWi5v0vtDXpuKIcAkEDodFhLuB.ISWtFJ3daj9frOSCNh5AWMnyPNeIYZ7l9dV2nMgej6cj5tB5Jpcby9rRYyWXEBPD1a2d7fSMMoGU5trkR.bw8MRm0IcJ_M03yLf7cnz3dcxJmV5xtnNpMDtnw9pdNLr7NYbIO1EBMLRQrpFckexYYMdFdUgpD06C2B9hVqsFIhUlWTi0vBzJZdqPgMBi6Nc7HIJbx99asIFpoc0KhEkcF6duAEkr8pZwAZ22cHHHtN7aO7xKKHQTG9rmOimys1TewIOleE2Wb1Ps52t2wNU16i34wL2YmDuoWgJ.DOnppfnTKj_Ha68EojX7u.fcc4ECfTxCZ2JLXWYroibEPRFW_r6LBD_iNB2wCIOO.ExDCVZW_LgkHZcs1TACHBoiluM7tkg798QTb5wiFNVFFFbRa1kOWmrsflNIKQs6xTvWoECjhQzVJwCyoHahIi84tZPdCuW5pQY9eoJ1d9Grkc04kozqX2xIWeI9JCfC7zy.v_i3MGeiazAmW6BjpjsmFy9j6EsY9ot68Q8m8Cn1JWJvfNKZDUImiwcpbBrro7n_xZZYODwiDWPvDkPpOgpNjNzDZFJHpjzMt7et5zwwWiS.WljnfnU83eE3RVhbNhYOVcOjE9PLSMCmhk0SfLOaCQICtqHvV0QCvBUqq2UrdyyQklxIHNgNIQ39f1xhrkHLE6ZimRJNHU_nMTPYXevqZlxsuLyjNjTCqJuGQ92c6ArGebVEuCnQ9kNqnghJoTGJtUynkSg6UCGwt150KdRitB.cuYxRU_K_u0jc0TxH0XE0b_wBK9omraiko9Bw07ozrGlz_CzdDcOvUzBi_kbSIcOynYSwHtcOIcG9JQ6Xfd0MUjEu_k4k7qIzy3vj0YqU1fk8PNN5gu_AtOS9QAK.5BV.yIlDuRrOkLljAqax.UN2vnZwzxuzMUOotNrGkG4KOKDhSmzhRsmHJUQjwM5pfp.J6ed9xsXUb7cD4luZFPv3VTU.BsuFjRkb4w4CS.1uSYUP3qvdmnadGPMmkcofSocZ2Dj4W.JqC5c7gWUJggyg8qYSACrVlEdiM4sll37VYmsFsKHCnjzzWHsIFVgIvkpRYoGDkcj5h_uYS50kdK0P1RzrrdbsZuPGf8fTJGHutqPxYJPBeIYFhGCQnNYFFB4Xw_"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f23e900ca9d629';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\/8754106392?__cf_chl_rt_tk=BsNmvgIYfNN3LI55KvkpHHQ7IE14H7lbEWxXKkRPESM-1739087173-1.0.1.1-05ehtabqS_w25XAS_Kp87u3S0XtIEeS7GbUam5KWsPU" + 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