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-531763319878.mit-edu.top/post/4067159283

  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-531763319878.mit-edu.top",cType: 'managed',cRay: '90f3aa4d7e5b395e',cH: 'tLUYz1l02xDK4T783HsIil1YDn0B_R4N_FEqcfMECAY-1739102071-1.2.1.1-omel0m6.OJMw5h0q9ZVXpzUa8q47xm.g7cae6hX.6yvAoSO2c7lgShNCC.EiqI.U',cUPMDTk: "\/post\/4067159283?__cf_chl_tk=1l.LtcK53DK9.dUKBmhvPYajyYy.kZAWumvad4Y5Umc-1739102071-1.0.1.1-RMmJwMJDVcrT0NZPfb7XeJwACJUwI.eKcUaxPolJpA8",cFPWv: 'g',cITimeS: '1739102071',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/4067159283?__cf_chl_f_tk=1l.LtcK53DK9.dUKBmhvPYajyYy.kZAWumvad4Y5Umc-1739102071-1.0.1.1-RMmJwMJDVcrT0NZPfb7XeJwACJUwI.eKcUaxPolJpA8",md: "YqiQ9E.Sd7tNlfhH_YL_LdI7DTeiUgWtG.PuUzJGYv0-1739102071-1.2.1.1-kX2xaATBVRFV1UdDZ4mViqM878ojNYr7nd.l20WFM3iu5mq30KxssyLOKo8t1t.BMbLbs84wq_0NbHDGSW0JsuTiZLqH0e.6zx4ZXfBu3X2zaLv6i2zch9tecMLhJVFPnKxfeZlVhVs5wXJ0iza0o4sT8prn_oqtCJTCrJHRdfrqYsO8wiI.yGW2nonNO39R5UhSMZnnyGM6FfL8pUEa7LqcpzAFaCyy4zJz8xG57yjj1wKguhpq43WRQmK2cMbK5xNsLFtnJvb.N.E5JJmW4dDMtDBh9nSLLSe7zxOcxske03RpukOaApTjsV8pzqYysxwlickp4GpyJ.0Z4UybK3BmtTVpL2VEvQL1e4uQoePxM66w_A3aXUsIbaCZA9UWy_OG_AGal5QP4oLoBkLhCmSr00_BNW9Gb.sCzev1zndebZnZ3SqaXkMIGQnKycmex6yiSoD08gvBw9TvAPtmafTc9LkalRkmk3.dCZECKECvGZisASOa6XDEzrWya.SBYjGG6Xdgvd8C30xGhUYrSt1Ilwo.gORNxIfVJF7xpcOOK5kpgzSLeeOsOK3K8xBhalEMXpjBpE75zve.lfLhuIeGnGIB5Sz4Bqe26Xd123pDMeQ_krtnZudo0DDDfWi1OrO7iYkiRYu_pssXq20WJ6VBbBNxtSi8vlN6OSuhR11RSspjkhTb6zDiP5sMFCyh6hqSMAWGHA1ymveE_7te4n0SzLigRQMl8HM2dJm8ceJudsR0R_U9AqZMN8da8Qr7cMJXS80CZLWE7N1bZHV811YmTpXv7HXxgSd0HZunZLNobuVVTF2YIAs3HoS.Q4GZFNPraJoPHP7a6xKuBRywda9zRpX.QnIrKM2VqjiPgirCVPGCV8nF7ZHeja.ABX._CKEh0NiK_LMtPfN9ESd024..ZDSNN7RLhE.z2xwBPFvPOUGGP7HYhXiTrFS_awSSybAXJL1srJq3J25xq5zTHLD93x41RF8_79oQHFQGNb4s7HxG1H5trYPN1EHlPegIDTszbKCkJ1X2ZJh3ulCEqAi.E29oGbqcxlF5nfEu9oipTyi83hvWa5I5bQozOsbfZVTEwETuA8uykTMNcThN2zomtZtEU7pyXXDUgtb68712J_KYjriro9UGnweIh.WO0bEw0mffSIu4kUbP0rh_quSw6fR6UvNjSah58RhX36ln_KfzriyxxS_oHSxzxl9y8BWBRT1i2BC3eHYiPTVDhX6IZXHMm6hLhWBs0hTiDrVS4qv2kqUp1FyQojGI1gjEiQh_XC5yjnwnkERbNBUq9DQtVjKVBONjcTVE9T1udFIoRsWUkawm_wykilQKumUJfUzeaKRdKEr4HYilWBS5fD.f0SmJIy_4MrjGxkmBvEPH6xIWvcgR584DJPXnbI9dQqJFvOauyz_je2OWwCqVI5t1gPFhQWfspyAHHL8CJg2h0GUQrMVhoRVABr9SiH6X9F8PD.i8dr6hx5So6MB87kig3c8NQ593rA7ddL65C1rKBnbsp05F7ERNA5ydHaCeAG8Z902iL9k2h.28iisLrZio65U6PEO5Q2REzMbZEw.Y5GKQ9399n7bWvoBv6D3lwN4SvTrej6YAP4dVOG.7C6GA_.VOi4EAcv3w2so.eFml4Ivy8uO3eF5Ie82sCyyI0AIO9_5QweXOg2vhGOfeJoDrM9ZW17nbkGf7PhABWT5CbLeUo9docPnI3S17vWsZeiXXi9BG4r1IA6itSg3_Kg_Q8EqvHEWynLWR.vfW_aW8MVEBrVUBd6djKZgIaKNGpxRRZ_w_wHf3iKjyoY1xa3tdM51HigAL.fo9MAnUgPu2_XQxKlDjPnYydU.6SFI5u2sUER456uVErLQr_5Dsgh4YVSmStExJNItLsYToIwLyAuTWwo4UZFp9DU_wJFfbGi61Q6A4VoYOGDfAY1y6M0YRgEN0U_xhXLv.lsS3neyv3rv773IT2S_NW8OXDKo_NYVlM0jG31OSLmsxn8uGWFcLmAkFW7ePWzoCorW7.6ASKwi7VTntXXyqZenfo2YkHUsp0.2fC8r3l3dH02Pfy6mNLJujXlFc0Pivfmj7gbjDiYK5Av2jp8mc_qT_u45NquFt0nZTBhAEU7tiKz.0SrPXi1Ot2DYoyke4nPYxvronRZNBTHMN.moOeM7GYx6ZYDxRWNG.wrVyFe96leBPdQ7MYs9Spi2yTgwjKlxdXLOgBDNjDgsS38vl3pCKbpHY",mdrd: "aOl7Pf65cQGR3mesuYHpMChbuwZSk8MOs6tvt_Fb7XI-1739102071-1.2.1.1-W0PTkhfAuhm0Lz81n0DiYro.6rGF9jzJQejcCGNooLE5l1JZ0Mgj0PBG8HvliUi_soWOtkEOEXrt23nRpj9T.HGGnuIAPuSCqLyCOIApRTzaCJL_0V1g8h93QmWHrQ_3p871spidobw1kGKqrGdDbd3OzvLUfWjqLnB_603aG.rsFsGZJR.BREwgWFINa.9nov2j3MjpRMZ1XS41zysg2O0nxl7LTqxP68lbfh.KGsWwgQ2lSVOzsN9wLPma2.7YQJMJeVlE2t6ZqVC_142DSF5GpB8lZMLdtUpv30g9xEF9DVerk.YP9RZ4qJlBXQDbYT4.ReCJ7drU1SAU5OLDC5Fnf09ZZ2wN7f5Snv42bRXMNWWUVeewzN7J.LfxufJw51.M4S9EAGRQ52UNLMG0nOMIJa4L9Zpqh7fTGW_vhsQV0NI.nBXqE0L6k2C9rYB9iXGE3lulHHdngf.eicieoyFIwZhWyYTnrU2WSdlBMctTaVt4Hni3TKPxWJiPXdPxR_fz.UyeZ7Bo0VUA2XCFwWBOpZn1KzV1QcIZPK9y7V007yIa_vLOFB611yr35GPOSzceLlrMC1KjLVyIy5G9PlwBGvuKMrGIUmq42AHb4KJRSIf_C_C4LzCqOnhC.IJTGYghUXs2KY0NWh.6QZhxv114pUid9g5H3zMzIed_6R7JaTG0Azohs9d9TqLhHpsb7.rBtfCN6auRehOcviLSrjlFem_Mb5cLnf.gO0qeMKpCLd.zXuvM8IsTyHnS5mrsqYI.1N6oUcefFGfoUIedIqoplpEUMwaWB2.i3rvW.ncCB79dS1hEJlo6Z.f3m3e507onMBniG29PTsB44Zwr0C___QjGGNjrDm.M8GqOZUizyDJz2ZiC7x7S8Za2ZOyb2yUxcchmt3vsClQ2Heqm9cp1ujEeqkeEXxojMaXb7i4yse9XNoeHhFzFSdeHUv6Lbygm5JdgUvEoEeb26ZGjIjSlMjFTRbVBN2l5tLVdabAE59x5xMu6oSjvvE9zQCaDvi4PCVPdmF6RTAHgSx5srX7U1hhLingqsmglTbxTRvezqi908tUW7GL9nF9XGsT_yk5DX4CXbYz6ozI99CvTXszM63BQ5BfSpJc.sZVzaJPv168kWkxHk0Oj15nF_rR6SEVt76sU3cNa4UsnIGt3p0ib.Q06RaeyBJ9oMAqnBADp_2ZDRzyyjp9GlXnt3RAS60ruFh3RI68UCzu.dK6k8hqmfVy26rNhVK709dkOdRbaj1AJhQZVGOaxdugE8VVf7HRW1XuoaXzfURjfCYYQJly0kSgAWMNlCrKo6lm6h4ygVcmaHR4B4BalqbaFWSb46RNNSZsw67JJhB2ipGK1rL3_yP.6Mpcc9CJOUsKugSsKCT_59UJ___KqRSydIoIWErY8NFdlJYUwfwU6u9wHXHWXGH_kXAkzIjeFmRnwQrmaAM9ZI1sOxBnRfpNuDTC7qut47J78Yq2Ig7wTYfIZ1NVzMay4CMhzs0bjSHh8M6reRqgIugWK.12zsIDVQvgaLnKiyd1ny7dqbCdf7Ez8TlE5gXt7HSTdcoKcGZUGc00GN4VZl6vDgLTzJmWJXpJVmUtJ8mFGxJeU_HbLq9HVYTRxWjwkkfgCKSIUM0QKGKbx4FDIZC9OZ7ob4gTUOEsiR.z3CGS2MWyVUuKvTtT7syb2YLuS2KDw3xQi2jdABvHSX0LY.Fcm6vmYnGztDxk37Pq7Y55kZ3cqoY2_6sBOoswemQlAfsuNdy8pg9tXCN5XNr3LztGHVC4kTOtR6kBAoYesbJabieKj2JB_cD7bYr0Fu1_eT8rCtd8zp7D26YI"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f3aa4d7e5b395e';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\/4067159283?__cf_chl_rt_tk=1l.LtcK53DK9.dUKBmhvPYajyYy.kZAWumvad4Y5Umc-1739102071-1.0.1.1-RMmJwMJDVcrT0NZPfb7XeJwACJUwI.eKcUaxPolJpA8" + 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