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-778125543131.mit-edu.top/post/4971682053

  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-778125543131.mit-edu.top",cType: 'managed',cRay: '90f7af3ce86620d6',cH: 'bf6DJDkpcvFpambpQub4a4foAC3PtZr82mkdPe8Q5WQ-1739144217-1.2.1.1-crcn1w3KH3_hsUGmWNFjdn6bMq27En767gY7tDuiIo7HGv2mLhO1XuAwjXoP9wh1',cUPMDTk: "\/post\/4971682053?__cf_chl_tk=qNC_guvZ2Eu_MT94vT0EoHnbQrbAwaoNrxxWDxklK.4-1739144217-1.0.1.1-TcF3lZvnXqTXkZNFKPLNirOQ408_XNxxsGzEStnfOhY",cFPWv: 'g',cITimeS: '1739144217',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/4971682053?__cf_chl_f_tk=qNC_guvZ2Eu_MT94vT0EoHnbQrbAwaoNrxxWDxklK.4-1739144217-1.0.1.1-TcF3lZvnXqTXkZNFKPLNirOQ408_XNxxsGzEStnfOhY",md: "6XwONqwU7kvxg4CcdWi0VlbG7ilUz2OzMF14z4QhKTk-1739144217-1.2.1.1-736d9mv7Z8BxAlpZ0h8pQjQckHjKvkt.5Ejz_xAKufUdRXB7s8OmIUALMCTk4jXiirF3nBkMtvEVL925IdoFVnjotqYqL6SnNGWc5SaeuF1oiMXJF2pBPERjuwHvmOyDhlYVTof7AhAiA875k1CrfHbl29Cvah8qNxpSaZjkFl5XCeY97EL_mrsYbSw6prMdDFBV2lq17J0ALF_QDgqEJPsl_rBbAoTTmFpRzk6vQVAk6A8Dk_ykD6i7D5tjgt7R9O.M0ahfLX.4Ip9YFALuyq2vHcK21IvCkESU7X27rqPac4bsG.2UsytDFkRmYeQyC4BNI8qT4kq2gdlTP_sqMcXadeziJhO9mR1boJo6E_1nKlPRbbtf9ABIu5tNRhkUz6Y8SMPi4x1MV.wR8yzBeeMuDOaWi7RXngeFwlTpwZgIxYKXR03wbfLXS2W6PNJFHKdqRSCjlssVLd.Uf37H.EpDu260oE_tXV1czYnOvi46eIlixdOIvX6rfy1cMaHr3uXE.KRrZ7Z0cYISjC1TzIwbY0rubvED.gd2R6AvI7O1TsR9UQfo9IJVhPqhbS2xrKcgK.wZJUMsjrR.O6sm11aDXADzbJSjn72VIvrSX08Jw3Fb8N0yX904upnOq.Q1z5ZtJkvGUDqbJhwccCjeWzTWbQgv7xVhi7xQ.byc9IosdiUrYXVNQd8I6VoW1oJExY8G4lblrGdZixdtulEjvCi7tE5hoeYtxoZveLQgvyYOm.3H3Z9v1eBORkdCBR7tTVdZnyaSRWg2Te_Tk4isIo9P1Z8rfPaN.IklTklO0zpnR81.WSrNYKkR0UXmNjSQsR6i20Gve4PGEXupL5CE.Xlb2k6Ktn5MZpAdhoYvXeMd9xtV6y0Ybz8EGvJ546nIQo99N4aGco1tg4vA9cnzQ.xNBPDsZWoD9CLTvVmdyjcmQVhysdSa_AvAAsG8dRZ6XT_okZozFJOAvftTUZpemdpF29iO5bATYtzFrXFSoFJP5nMAmONjha0f_gfryXP1zxfh4kKxpV6KuLzjWm0g5.qPc6ffCxG9m6PLqCrVtiNjnFcCwFne0LP1srOtDilANz3Cgtn2U3NZ6bqNSPWJ2qrEvMbhahJR3Xfh.y5FGKOazVl3t82cpC2z0_5u9EmZ8fzjevVtoceKHmTLr8jFtK8di4kY.VD8k08J1opMe6auPuZ56HV20x66epEArV1ZFTwwCBuI9dlEakSKKQu3z6XSaFw8biSyo5CftqW_sKI8qIy9OuRTo7AuG42obB72LYlrd.Lo9u.2LMPaOmTJAidaHoiEEKXaWexExPwAB4dwlyowO7ifD8bA95AwWe.HjCNZTDNVX0HqPCvq85ikuNo04bkBxU2JHeA2ebrC9ZOyx_tLxCtfXzM5ZDKk155yae1fsGez8DZpJztwgI6gJAgrEN04SOOa1j5kQYgyPWCDIRA373VNE7VJcyHj.IEkYBV.2c73EtGTWJxrOx9wpD.YZE7EfoDDbBLVpzod9Y5Tgm_cAHPC1C2bSyp1Rpvs.5f66flWQqWWVd9aeQ7y1cixxXEiDfrAlC65So1IVTfPgGXj6tsWRtVIAHpAsW5fD7khAQ.eeUZ75dNZVicyIAlIw3Sp4rVcE79VX04PseI9Lahgsi9rsoEar_kF4Yer6.7uDbE4Y8Ia7w8RVyB__VTbNnOH_b9HY8CqQkEMziIHH.lXOdCchPdmyAISc8J3LthAGrUzHAEpkTKUFKyulyWdKTuJMv.paVROxUkMSMxj3r2sWkGd8eCqXdMBH7tcbTWls5tDk6fLR091gH3xgIeukkHA4QB0.j2tIpXG4tqRZV5ac0ct2TERaE6f298Fp0VKh_i9aH_A1eQEGooGJg.eZV6JOLTJU6YoNFB17w1wWtWfsUv70MGCTPz7i0wGpMQWwgLRM96adSxDjNmfnfbGPp82gV_j7S68YatiSSlhw7aojUlyrJ6Q6CsYrOpe.Ji0I_VYeXHr46aIHBcnjHhZUIcsY_N8Svuyl0AcUvSGQZ.DUvXq2enCaFNAI5QExYown0GSeFKUQHvShtAyzeXhRpjP.q_PsOK27.yQZzhluDtGRFT1enIqmXnLJ5bim4JYJ1jpGLYo1FtMr5x8Wu3Vb5CP6thPuvj0sCE_hobYup.uEsAlqwQLjZbw5OsQ_xvvnjobDRZsJxpp7PzSSibQr3F66EG4iQR6E4dXMAiy.Xm8y10Mu_mdtUE1nWgI",mdrd: "SEbcpR_t6VNb7UKHPAiigQuiNsmT6tHpHBOYtyCngjM-1739144217-1.2.1.1-at_D_z31Hfa1M7_KrZ0fzW.6_GQgRpN._P66DbaGa6QJoyLCWsx.lxW02nCIJoKSjreJx7KxEhzmFUx.QMYfTgnJna2zL4Mjkbh9LS_9XRrPMtOBtHYlJzbpx.dhDZPiEZV7zxVLsfQg0JWroChSAIYL7ZE1fcnAnuFYiGh1lknmVagD8XnNtMiHxrvOdlgKQeJnhS4G_7QZNHrrNevArKalH45c6BtZZrp4Ct02YyxDAutszXqwBaImDJskihSCA3q.XC66M7dmHYNbaVxxNkBhkIv0eTBvpC2MSMrae.QgUFE7NOIbtIXtWL_DGYTMSaN.Spk502cRx7w4_FAm3wzKg0EOlYaG1Naro6AyTiTGOp0VHXUeriMIXa0e0_jZhV_qQYQMps9awnGeP8XhSmYzonlk.BJPR1Gt9b22zddpkRiSic6CtpQ.QD7jHhsx9PEZKlFh1IMTaRM3ub0_WxzxgSDVTSQNEtTwLz2VcXl4PMUocFbYa9nzY0Y4nK0W56dSFQT969p4jTds2iTBTo9Q33pUYMCGO58qGvbhhnM155OUAYvo9zsVwE7zJ2HIsv.7NU4GOteSNgPOn2z8Fo0Mb2O3gy5IDaQCNZ36B77I_XPubmoPQIOV2wVufyEZh6ggD5lgwIBJXGk969McrLURBv9nNWmJ9WkwRw.KULCBRiEJQqwOlTOkPuLoa4wAjbQvRMbG0X_9ifWeLajhdfYnCFl7cPvzo0IWfBHliW2F90MhUFLerIyxkT2NDLuLdVXN3XlVFznZqcPIgC2rj7EBq805GKyd0jsSB398bpHhlyFqtw17MAp1o.DjVDKcfdz6KCNB9fm9eJnRBd_hnKm_iIBfROfqPdKIEClJdddw.QD34PK8csXwWxI31zaRT_WrzQkilB50vaTdQr_8QdNDVbtFr5bhIODha3SOfGJDp2ekIPfnaAklqCnP9faE4VUNJChLjohZWhEekgVor6logqJycWwVjePb1jssGohzjBh1Uqqqyl5XG99jD3O4.iCMYdAiTWESl83YXD3qFSTKjMB7OrAImFchxFoW3wl6qNsVohW_jbxX87wPeXWzV1XBGq2Kt_oOHoaL.5dqouJOFinriUeS64Ult.qBgq5ow2Sjyx0svsAc7Vsqpct6jG6locqRc967X_In4.CqB.JIgdxD4195CWUmXXx0z08aaYePHJ.EnQk6Ljs5By1JB0cEqHBbcFoXrJisPKYkeCaN9ZMjYCu..xXcvxKR3eUZGGzerxULvuNswHaZO5KkSIu4kR6rbbdCl_lIRPe.SyX.5udTyDDN5awPoOtUaiwmQUZa4NtSFdEvPjz1nYWB2VLNDxnq4luqzflovrxFORn8nuVY1Udgj6ifq7RpXT9UHb7xSUtruwYkfjAw4xzuULc.r5jUOyv.ZQASabXZLrgUgGv71yMrjgPl47cPd6MqxzSp74Ek_HqXILOEXBTzrLGRzg5uX_qOV7yFVa5UiG4Z8w31XffY.4PnMafGhctXRz94NQ8V963SQ.oYPpC2TFVQ04HzZKFE4Zw6heDcsubDcl_ZYUJkMkO3IsCoxRp3vE5kVIfsADbhbY9VsZW8lKXzLNxgtZHpC.mGQsAWcvp0svVKpu9HwvcVckn0hvLDkSPjGBoDImJZn_mQW5BKn7V3kPsnXpNGZU87yN1kG7_qJG8ta374hzNQbvbWAduOIaAyX0yvltUPMNpqF1ae.VU0OmjLYEXyMJJbjdAhN3W3Z6bzCRoFX2BChnG6UJ1jc8v12PcxUfKpxugd0CR4uDSgG9VjanADLZWievkhJNhrMCHsIvNowuc3HMT4flg"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f7af3ce86620d6';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\/4971682053?__cf_chl_rt_tk=qNC_guvZ2Eu_MT94vT0EoHnbQrbAwaoNrxxWDxklK.4-1739144217-1.0.1.1-TcF3lZvnXqTXkZNFKPLNirOQ408_XNxxsGzEStnfOhY" + 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