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-372765690600.mit-edu.top/post/8407251963

  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-372765690600.mit-edu.top",cType: 'managed',cRay: '90f7b090cf1a3b17',cH: 'bDvcsEX6ip0Y8ZwJMDR3rkw5bpdfWp3irGXNGao4hpQ-1739144271-1.2.1.1-eBTJ1_hztEhCHEVCyfMxqVtAxR0G9Q9qzA9uIVVsZ44qMEQ_2xk.Hzf9ZfHQxAv_',cUPMDTk: "\/post\/8407251963?__cf_chl_tk=M.7RjYmndl3EDUvfY9yk2HEljBbKGDtZa5Idpe2bSIw-1739144271-1.0.1.1-2ENd3SHyd4RMt4hq8.UGqkaWNaP460zw7_r.NBjWXZw",cFPWv: 'g',cITimeS: '1739144271',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/8407251963?__cf_chl_f_tk=M.7RjYmndl3EDUvfY9yk2HEljBbKGDtZa5Idpe2bSIw-1739144271-1.0.1.1-2ENd3SHyd4RMt4hq8.UGqkaWNaP460zw7_r.NBjWXZw",md: "HWQcCE9RN6lLrU1Xw6EIiWNl8y2yyFUPJaLPyIbZAu8-1739144271-1.2.1.1-A8jIaQ3FVDjAZ2UcOD7BKJw.3YlzBwNgWtQqRpsNZCduL8bhBPF.7R4ZMTGV7QwcX6lFfTXuuHFmZCd0Mb8kZ1f46kN0KlIRT6BM.GIpajFLN.B75ifywpnPi2DFsyw8eqGZseLggugU8rUtUZNu3YdTRhV0EBvZgAFokzyiGkvk2Dda0hcVypYpVvtke3LBldOf5DRYPmwGD9PHoxgcZnjB4nmv7UJ3yumVzz5ndQPOvIf_TlVWqBgCQ6qMs2aOcc2PPoLXbzlb0dZCMcPM69uxQ_3P6iIs.dMViBy2R1mNr9ea_pTBtUcTtAaMj3nF3RTuCV8WkEl.4rtkpuuXkTl4ZZjSK65SzhkmgLQtiN2V3Jts8nAmkwgEotuQ227zKFVVq68ggU67lmByj4.3g7O11sEA2lv.Jf_JXsHrgUMdFw0ZqbGmw.5RzRIXQ1BONFSKIJrNRqrLN8ZkV1TorviGp_vUcsWruQXSsGE7.MLrgS3RS719_PkFRACabA_llEhWRbK4qJSJ4tM8jyFt4DeSf1qUFtz45To8Hd0GM0e602SfFACpCpzb0jvdiDxobPZWPw54a7KNZNXtgl_smW3jtilbnVV6ee43wlv1t6NxYbR_glR73kBv0ePI_LEy6ft0XXaKFu1etP.0tlS8BS5DqrIc0bgNgF1OIL.Fa3Kx_MSeogw6xok5JFtC5WlgZumnmASKfPOjwdVc1hb5hov79XYFhkTfVi6pRLfMXk9v4YANZXrAnCeSCFy7rhkfl3.pXRjGydjlaHdCahoxY3EbomdJAaw3rY3lE__qPjm6g5hiceo2FvxxywBLrEPPvGeIdhHiw.1chmY5bhKGpmrk9LY5nTYmSEflFEP2f.JK7PiEm1xR1VpqBQ8LKRNhyMdWFCZm43xOXRVVKI6MJj.adEnARo9uRY1smwHJqgDggjVXXWsBhWn3RE4sGbHwTL_zDtIiaaLvpygTxCmQkk75JYT7R1Xf_TAqRcgZE_BKiaLGD2EIrAVhito8rGzLTKyVTzrCnIXdfHoED5nJYWaB1KwnYU_JsoWWMcmb9aFXxDaKDIygu.7bNFuzzR56bvTn0Tac_8y6PxqBQvuEkw0Hu0WresA5xdFVmzEPap3yfKDdRnFdT9WIjm6TNSCIoAzQizF4XXz6rgxz61Kpj3ntCOsnfVNX9D7Dsd.aRMDa5McTNEuWQlV620ycASrRxnPckFW9x.A4Ncnqp6QelPgCHF7oStj1WLfIsj34qBsFfI6FaH8sxr46Ek6FSeNeliLMY8QNXlD04zui_9GffwFZA5sH0dZEvPcUMyMnMA7Kfh.BCkVo1M6kGMg8RDGlfxmkgOWbtPY4sv8dsdNgsSTyKTJnIFVXTo1GypcbE__uwjWwKQaHdD_LWd5QJ2kMEOOWYcWTrz.ckNjawAgQvPgGCpSYs1yOcG6zWHKgqnDNSz2m8VI_EQ_do3_c4tG5KKv2VK2UIxh2wWA5fUesJkgFjaFWCsn_tDZu01euOEpCSRYGQ6t8pTqJgYQMIKyIc14VRvho_6D_i2nL4p0_uogztNn8Rez2VHkh6YJICD2yDg1jT4lpzwD.DtfBx0nclvH9C34zyzxy5hA0O7gf4gGlJ93ZLA2_f682NV_ku7ggk8oSn_Vc0CfSBy5H7gX9rhHAsRAY13xDx0xiWs9N1lhnYy8sLzKbLkoE9l1yYaG.LrPGXSnLbdcYx4EEF2_hGBT71a3Ureg9kFUnf2v7lSmVDnVSbi.CzMXHuFkgS8_JNgyY5ifnZBRauEPXFp.fZUQfaLLOBwK8SAkI3EDPndIA9fJEgPdSGHWjRb9RacTUpWTpIIEs72U_36XW.CFRhf03wO0eoFGllMb6XJIWUMF7geqJz.UAmBaDm0nIq5bTwYvBk0vZOWRgtwnrsqoBLmu0id_X9kRSVn_p.rZH.nFv6uZ9mOdaND0oUksLDPeWL9Hz8brsqO4XQ5QIHFNoIjpfty1iVlOG81v5KPPe2LTxV70ZBqiismifH5lLWolW0bdNE9dxyrEjDPXcsyQy3EV1ULbKeJ_JtR2i_iyfXYy96eFQVOCbGY1Nd6YuKET66sOXQ4jbcJX5buCbKADJuaaXLKQiG50ehCyxEZFDc6IQ9Eh2a_Ri4ObWZiuAA8mgwQljBuXPJDnN0eEstBR5vB5Jli63N9yP.9MfnHRvJRAg2Ml1oeLKYnJoLzDE3hy70p.jqzyYvcz6RIHlmc9F",mdrd: "1BISlYjxM38fp1H84M4ZtOjKB57udMKmLciALL2vxiY-1739144271-1.2.1.1-mSXqakkYxwkwB7CtvltCbKWFgpO9JIYxa_krx4p1FoAuagb2LoqWr0Hku9wYsrVNtMw5bSIBHUZPP9T4wvUWYat4CIWsjM55VqbQ5R8rx3pd2u01Lwxoyb7b465etdrUIjrk0CydsftxG_nzOUF09w9jufwju69Jf9SesvsuHlJiSz3cVhneMTQSHRIJAfB0iRdODpgvId.PzUm.pwSY5TMKCfsLaQS215YUsgLrRWXdFk1lwKFsEFiBrP1AEDMBYu7syoINy5wQN0FBPw.l_tPz3ny2FY2GFksgMosiLfaiGEt287vnZPWyQDgRlHKHDHfF544h0zpMe9Bg0WPBjKXbM2uvee3V9U9zqVTt1ylfKK.K4KWBSrIovxg3POD5mbJJJKdEcGc3bn1WRyVH3_h9WlM.bgfra6fizowumsbYas3dM4.45vuAZZXOrlDpEASwjl_wZFTqnFG_iIEkd4nisentg0KXXIUVseih92iaWXyPnodLflnT4WdNWx4SqnAxpctO07FjLvTCnFLqFbJlW5BQA5kV1ZTlTjaMaUwjArJKXbI7TdOk7JXxzW0X_xtOuwsr0WUAg_YfQkyrH9Vs2mzWWdpG1IDNXvjTFCzynNhELgK36AN2N6c1RI9Bo.C9b4ZmZCuemsZmPun9mESFruoRr_GRBeYtYm3iq1TE78qFmsZ1koBAYYkinCbIh8q4bFRZerGnPt2mStTx.zka.R2oTX_GsbN9cNVrDlpIOVMT61p4FtV4aqdBpJ_mGGAoLxvLAHF7S907Wdv8s2hD3bMnTh2hsBZeU0GDpNTzJwGUziId8gh4lKnDCXWHN.JbhxQgkH80H31uM10qErjeizNP3K8wWPhpkMU6Le132rxHp2ExCp5A.im8KGpKlIwZoVcB7VLiYzKJWXdPcoKFIiBfrR1e7_zVZ92ac_bd0npdaPD0HAksB_4wc45vcNPnAeIlzsBmRw4kyH98kuYAgPK3hhVd.LR7gw0S2ZwzGrCXO2nMQPUQigxFOX4GkXLDqGeyHtqQSfq4O2DLEEMieRLUl3f699RUXrnmevtB3Zb6k2KAQUPLKxoBKxMMPFBKUQhtyjBKJbDpnVTFxFRZ7XCEw52vil5t2N32gdkoFFBW6MtjShlMCtgUduVyAAn_A_TblZyIhmrT.R5uYS0wEX_C2DIT1BWXJHSWlGDWa_LrMOoKfwIYUvrVBWRamS8Cm2X8zXy7N75PEOn1jQifqd36lBvGbT9EnWzoZxkkuAqFUiGxRz1LzGjxpDklK8ApntEpVYNw2Rmb_PdXNQiEAvslWDxF9qYOiB1inGKozSAwaVRs.BxUqY3JpnDrZitIdmfLpYl_4nd0tgSYlnFmR.Xb2lPxsKydqIU.ET_svm8xwy84WMknaAcIxWFdb3F9Y8eCs_58sIUgs3BFBUYjTJqyBhYPHn0SsvyZEkN.0E1hjiUvO3CbL2amECDTp2I8KT_6YhzK1WLIh71eJAFpxS6s7ZnbSkJ9.uh8aoDQHOFJACvRJH3lGkutG46drKG1QalJG4mQIDL0t8N5jB7AQ4MJK6gr75YaXVNBVthkWMlSI5gEVuJi.PTKS4DrmuCD9fFNPH8vlVPDRxfyZW.L8wCFJwNG5LpG1uOtyeRPZFI_HNV68fgrgEtK3829uqlUeNo87dQkfCT4Vp1FcKz2nzXlR2VS.VwUlr2Ke79CbgitkYG7psMj.sv.fIVZENhwbESoYe8Qg9D_9L3lBpQrDo4MnZe7z5r0o1omhXGdt9JWfcZLAAzD5bSrh5ywHo1FJ0pjmMa2Zr1Sfz4JbUs0AS6IPKG4awaX9TPDgAc"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f7b090cf1a3b17';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\/8407251963?__cf_chl_rt_tk=M.7RjYmndl3EDUvfY9yk2HEljBbKGDtZa5Idpe2bSIw-1739144271-1.0.1.1-2ENd3SHyd4RMt4hq8.UGqkaWNaP460zw7_r.NBjWXZw" + 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