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-412975634143.mit-edu.top/post/2971845063

  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-412975634143.mit-edu.top",cType: 'managed',cRay: '90faf5c7df21d6ff',cH: 'jBt9vpc8jcF3hPuC7866DkZ687MebvjU7uQ67ILO8aA-1739178563-1.2.1.1-4jU8P0TOMfNO1itg6aBZy8OyMfTh556Myz6DbaHZ2BVjalk.aQZdCY9.P.o9ihoL',cUPMDTk: "\/post\/2971845063?__cf_chl_tk=kSleRNjpoOaivrXkc2k1zh95oqi8B87RLtEuzPMnFuQ-1739178563-1.0.1.1-DTVXrBSiivEAR5Vv.7jzD1eNaBpRx.hkMmOxe7hmq4U",cFPWv: 'g',cITimeS: '1739178563',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/2971845063?__cf_chl_f_tk=kSleRNjpoOaivrXkc2k1zh95oqi8B87RLtEuzPMnFuQ-1739178563-1.0.1.1-DTVXrBSiivEAR5Vv.7jzD1eNaBpRx.hkMmOxe7hmq4U",md: "FEWwrlZQGVYdkZI2uU.kl839.iN96NrR012GIFvzmzI-1739178563-1.2.1.1-Sn9XAOCj9VufC2IyZTrj22DzbgWaPlriHXvDvKlYgiq6S.PbeksBmxxT_tsssSxSavVoM97DeOU3IkW0s2VAv4BgNYthlv6ugJ8YWxsmW5k.ZxZhghgvDUFEjNgoj92Fz8cGMHD_oABbITIQaF1yloHFo1lMTDVX92gFGjfRwOChCDUOmVqYSOyu._CWGFEd8TRKXNLjRlbDyc_BK3FbcovFMShDhDkY6vtVJJjBtQiNXLT2s_l28bH9rVE7pd6BZt2tEmfyZp_NQSIPSWtw9sP6XRtl0VWC7e4W43sNrnYk99UjZADeNj8JVFtxWSBIhasfypTzZnRatxjcZwLHWxSVLQLzJMNqw0UCXtJtdab_d34e2UEM7KQonwqFUnsrMSXJYdG2lv9zRhFC9vswC7aSY1q2cUMA5Dtf4TnVkJMhBGhU4gNNpB_m6iq3iB_LTYsLc8i82EUZ_Pg0FxfG7uMlz5unSGHtLSWLX8sKpLH9E_aFh.xYN9RfC_WY8sy_zBjJVmyOWEDFQnSJcrWbSCpsec0XLqr7y0oTd4L1eXz3jaxord9zDVh_lbKB4.wSOvzEWWqrqlEng3QBeSc67CJC7ahd6Ey0rVIuQsKmCf.O.FTZyLLUo_XtMNJkbL_dMli_psyQu13BpyrmpR3dTIeQYkSDHLU3EOC64K4GHqPe9WSj6WQ_oVKFaHlLVBstGSikOkjMBWj5_djmrk8ATXDbqcZrSpH9EHJTjdb18EAP.t_1onTEShb.0oN2h_mLPsLK3IuSGlgIy9Tje63KXv4hfZSymbTdww2YCbVWoVWYZequyWlJrCQL7DKQupuOxGKS1hEQvt8uX9C8mEi98n7Gez7j09pbNKV6t4Hzek4uQRCTZRGJq83A2icx.meTQMDfXynFWPDcy427m6a5QaEVCzW84g.wIem.rcZBbxt_8Cn_gTN.UyAFM7B7z9zM2UVeUE0_Ut4IMIIGYcKnEOm4ceuahSaxOo_qfl3B8BtfnESAc2MNm__Nqm4EWyWIc8pp23T35vMGiADRIjwBJuaBxMtzbi1zUgAFLgaljIMnRo6XqSTJVNUMJwUcRaVLd3CDgqaIUMIImdv5SyWlUoXjkA3coEkKTGCRuSgyQdhYLtln9_Xq9oPtYMOJntsj0WAg_rLYtwaMPd28HN4Os3jL_ok_alt8czDb._j.JZN6hqvNa4B.Y_62p7htBKK6gDPn6Etpowm_w17lZDcLqYmlbdjO1FVTHQjDGyjwqkIUVyiKXAtW_surcQqkrO5rzpBcMcPib6wF_ZqvGn3G7huRYe4qBHx9tDU5EmGjikrcX.0VkgT7cZK4MrDgDeLn74rw06t8mU_kdjEMV1qCAorpLFfFL9qVKRHatMRcZ4oh6GFPXzixffEZwZMvAiIwQU.8l2H_R.aSGRh7sQWfoBMP6iY7s3ixgSsyeZ1mFSUxJ94WY71UYFOh5RoFJNVwpnpB..FTvlG3YVWyn358WZDwsIdsAAuMrB6yLln14zzaTGInEdWLm6x.dTPiOqeOXCXdJIsop03xi7VA97WjTfjOK2QcjVQpB2mC0HhdzbUXIsofqQXhBMp1TFvg5DY2rpNRWY5t3wqoUNFZ45mu8iSXKIGlbOhfMhzvSYhoEwqcjxNXQNwEN69ngFWO7J1N9xnlnR_Xr7zjQE_PT09ccJuPMBzUSQEcKsnH2C2mXhyuZtzixqh0TP5K6QeHzuFXx2NYYAcH0p45vi7TWgVA9mIsWcEhu.dcLcGPc3MAxqhThFB0qjOghsaKwlvZT61HAkK.R3MjneMCnUZCcS7dl.tXdbijumE65rz_EM6lQPakNdAq3BdCohmMBZClc.CjcDJayhMbFuxNlThSyF2P3G9YbdEnWki3Gy6niEB8MRp5DsmafMoQFpS49jQJpuicr9y4fhrfk6ukdkGClSDqpXQAGR.PwdECrLxVsBV2blw1rlCtVamfyKo7T7_1OLYjX26PDIDnpLeDdHif5Z4UNN_1fbwTnLVWaqSNb0rlWfa9uxHNY9pI8BYEdNLBJS9Kf0H49Lbygaa0aD39ru0Zier_vwbIRLKnVhTJ7Mm.wffTEsR_aMqSSvC1EavvWIVrw_NAZORVe5N.0Y8Wfd35ulCuSJGc42uJ_8RuhRUKEOvJyWxPdQfgeDPwuM7lpPSGrc8ec.QZYFnREPtOSDox5IKO19vDHxnZmeOMdIs79LRs4.sC8TOZe3dxhlFLv0to",mdrd: "Gdw0sKaAn4v4XnBDOWfDDH6zMRnpuwBYLLgVIf8xR8g-1739178563-1.2.1.1-oc5Lsy8kCp1TxSuNW6tacNHQXw2dRPrQYgwgDpp6ZBVLFq_73mqV0pgL1cvxs6bgYI8SYKF4wkSWAybk8YuXACSCKbnDFAFuB5dg2QEwbrZLw5bQcTFsi523X51gE4fKJxCepOzLW10.JzQtlmwn5WbrGbqHzpfJJ_59aN9xkgHT7wynH13OdDOISxhak8Hacd3YaGGvWLhieQtuMjUrZroyI.H0RuUbyaPeYY6CGSywCWL1oQk.rI.vJW2DglTYBN6lPdLoaSOV7gZFiXxH4X88kARdItxG_JqsJm2MuS6TWtC4oTHlxRRZcZp3ZVYadxhhPu.zGj9nBvPMfkRnvfPF8Ih1Uo1Ow7kLLco7Dg0GpWMFipegWJYRZoJngoGpIdDl_OxnojxXKXkgt2WayQzi8OKhBF.zaAgaVYaOTglTjIIxkCXj5GoxwgqoqGhjHQNbN27yoanZVQd28xjzQ8Zf0bRtNj2zX6vALFFCVotFAYCLxyYUZ.6J5QNuJQve6xto_xk_zGL8A7UCnI05OUvvVQOEuB3jXqCicfGD3BBPZYZEoDuPPVLSi_xGry9vaLh927XzGusdaHMX6nPBGOBYeoD9Qkq1MIf4LMx9.Z2NtULebT8a3uv5z4y9OtXwf0a8qalHFhaCDKxbLQ4St8WejJgm2yUxp1VHE5aPbGNWBFIYuRhfhWnYzGsJ_WvSoUOwv7k9bffcZYNAFqsdLv5M1NCFa14ek_C9Hs62EL8Og6yvYpARqoQ5CT60j.MNdYm6Cvt9ouv6wViIwFNgA_pMsovgVMEcpY6h9__ERzAYlREkcwTxUP5ewmHGc7plnmijLJEQCPnOHrTgUUWlLzepqTruK3Ao8mPMZ57_SxN2xqX5aDCUDXO84CIDRJwPh3J6Lg9fujtoJufqVTJsJbnAtii14YIcx2ibU9hZo3QxlTedtHqXNqm3LqPXg1KEGFfdHHjbxWDvKv7Rk6EwnvbTh4VHXSVmR_COV.gnfPJCrZENW.goUu4r.ryJNVhy3ungU5nSDaJzMQAnWyTa0xkMA3IRGuJeLIEa3x1n2Tgi4jzzptwW6_DMaL4Tj_KjrsIgayHitRmr05NKND9gv2c39.QBNNzTTVLnAz5GAc_tQNWCrVDLeZxAN_rxVYltBmU6qQfGzup3kLWxroVOhLnbTB.QX.iIxdt7yO7liIHSb7DLulVflULd5KgP1sH1uIvp8EHthYqBQ.VhjsDk_RhUvDrhHepd8ap6xuJDHRy91RFDK5mouyW2MhgwpPrSxUDynz38CVgUf4ilAxUe9MSGEOOPHCtWBptMowbzizwoeHcFXboZlWz8tkquHOibMXkU9YFBPS9E2N7qj1pAVhpMKpplHWrXLIOu8f7MpZyhRR6DeUD8iCdNgF2x6a5wRf7wzswwyyHuRq2PfJs..hKJFp1uUKAkie.jalOAhKodpgKB.M_4u2yqo7jbMZ1vZzWPT.x.Z89DFyi_DgBwXnWMyLXC0CiZ1S6F.2lz0RseINw6JDP640tFLumFYFMlbDU.paSlv5FL3iL5hkwbxBRVm6iP6JNLX7zdcRKGYHo1kWcRgPEGFZ9oiO2lCoEdEwgps88rKWSsViDHnaQABJm8j036tZODG.Ze7qT_imLuFk10.yBZRZeBgnd11SOOUaZiVYE.TeYyMNZqJKixYX.qiDTmyHBJkntALGwbNUkVsWRdqTvaUcCYSbd8.nQQ_D3iUl9Km25be8QRZ6feijcI4GL_Ag71M3K8QBvT_I6X.1.0pLWJRSsNdvDfzvvv8a19l7tMdpe9DFq1GbfY_Q"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90faf5c7df21d6ff';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\/2971845063?__cf_chl_rt_tk=kSleRNjpoOaivrXkc2k1zh95oqi8B87RLtEuzPMnFuQ-1739178563-1.0.1.1-DTVXrBSiivEAR5Vv.7jzD1eNaBpRx.hkMmOxe7hmq4U" + 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