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-390523837857.mit-edu.top/post/5469710832

  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-390523837857.mit-edu.top",cType: 'managed',cRay: '9110cecc09bf3886',cH: '.EJbaifBE.p5QzNV6tMiV3CzU89nLTIXnC49w7b4Uuo-1739407653-1.2.1.1-kj3ilp.UqcsCLZYG_hwaOErFq85hefuXCeW9z9YshCMzzTRaCIZbzx_xyrtVL8.8',cUPMDTk: "\/post\/5469710832?__cf_chl_tk=__U59vJuzBfulsAmcVaWHh8l.s87aVIyTpepVkjam1s-1739407653-1.0.1.1-RbkUs38SMkY.XlIFGz.XLDEA4AgrThP08zTbLNNMiOg",cFPWv: 'b',cITimeS: '1739407653',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/5469710832?__cf_chl_f_tk=__U59vJuzBfulsAmcVaWHh8l.s87aVIyTpepVkjam1s-1739407653-1.0.1.1-RbkUs38SMkY.XlIFGz.XLDEA4AgrThP08zTbLNNMiOg",md: "S0YiZ6M6Fz2E_YZU32mbk6pdmUIdgt.7QUQs9B4lL7Y-1739407653-1.2.1.1-aeMMMZayVtJB5O3tUjUPITKo6B5g5g13ZXrP9D654vHu70gkSaOinlleRJ16GymFAZ1ITED7U8I11f9.25YR9o9XGPeY.ZaOJ7QcxkmmWYX1DAKPNpDm9vKiJR401xgbR4CyAjkDwaJzsvslu_NPE5UYik0SLUS_YU.7w2qWfD95sUo1l8WkYnElGlf3W_G7TNXOF9Lvyupj7P4GaRTlBwVo2tyQ9MXW1aBkmJcNHebbbbB44SZ.dwECDwz7u4CgHQ3Qfi4op3igffXtcnamDvqo8kORztkk9...XhAzR04Tc2.mjn.ewC14E13F_p_j.cjs.EAYpqmdtxZxCfx.AFFwUCq0MKY3CPtP.1UlC4UpchfaMYy3oux3ZmMdBdJMQpOEsLXoMQomU9s6afr3gqvdesmzZiEqhjbqok1JIWXdp2.LkkXJGPi4ShNR1JDTIQVmuRykDEo9AuZu7IRbOEPZoscFgyZ1bssjUX_m79AMxcBYrrKTs4wjuHTVbjGTWWLLm_ltGMCrS0hNKxO3Kd1h.lc4P0INSHtdU1LQqVTB2l28wbjvw3sSIyMTmjLwczKfLkIoNcy23LtIIep6p8NnJYZDnlJoPr_wVZws60d.Ipw4qp9Nhv3rugkuaQhIouVLAE4TQ5.ZXLrmG6CJV86NwPOqsIwNfCCahZgzOBEQeOw.XQTwmIdaOXho8lsyWsAKGLecic4xJFGbJT_jsZIOC7Un.mQ5fcbAhN5hX0Yr1g9AgTrpW5yx.syWLO3Ow7b5fOp60vSjjaxG3SuqA9hiKxjOQKJzDk2E6Cgje7VboWBVrDDsvpf8DKoh2JriW6ihdvUxpEkqp4UmeWVqzfq.oqK8YSgwAkSWiPT1TX1wBzXAvAAlyJVnj_LvCenKk3Fscd7ic.IfQr2z7ubiaRLRGQ28VqbMFHBjMSoLeRICkPlrlwPUml8gsaLp71MENNOIfUSzGGDweLA0a9UB2cwqt9bOw.7dHHN8bsEZyDooFbx2Ei2G2wsvz6kD7_JAe3egJ8qVNhUm1tnPA7g6Ii8Sn4coNzb442hsIttQleNm5o3bfqV..BytZLuFmIK1P3jbSVeEbXI5KJJzDglUDd8UkSuVfcicPb.gxR9ch16swtnKcOf1a68J4Z_Wt7u4EHB0Ky54N09ROcAaN51lR0sQvXLb_rwBr.UURuvfBsPqkLOB09Cqi6ZstzpwbkfcGpAxlReL36II2sBAQX09U8_O286yjLjcLZszimeeIXLNhRmvq7eaxS3GDt4TwIuTGxlxRkg0_XSJhwcFyg.tD9K5WTdmlhgbnEY5eDC0W9O6_axsIzEpjMi1KTZQ1RazAak7Ow6xj06FO65j9TFwJmadgYr4mZCKRRHRNsxZZ7yawd8srVxzvTgO2BpIirNRPdd.mlB9LemlOA27lP5h6EVlVQ5afLwr2dFOxW2AafyIDsB76tLNGDrBxWXf6xyoTlLLrb28ChixjTWdCRi_Suoyz9ScxF3HGdMQGOGO_1hf5hqc7vJ8Ata86IbiSAYpHx5YT5lMRHSbPDcw7YkMtlApdZtmLZ4evWQakZY_hZZuS3hQpu8ITxDf4l9Sr487FQBOLxmXThyY0zwllTQNf8AwghpJayiTSwN_Dx3JX3HJjhVQQwbzh8kgDrcOAyOUgaQHt9GuIUPSbjLcngbZTfizoRW3fGx.lYoyO4f44N6GllwoN978NJ7i6eTX4eVaIQgiU2NviPt3DAhAa2T0ufkcYG4ZrWVVgUI.ydUHLAQicuZMHVLN8FYTWCEIXTvK5C1xtyH35xvLDdaGqLZ3Uahxpty0IsHLd4nkis0P0UaoUljjdyOeyKPorhpjvfTJ9WE3WeyeIT2vWU0pXQc0TK9gC4Duashu6xwSiWc1tsvasUeK4UzF.jD4U2Xy.zdkW0b6FD03i3OYj18crFdxBQb521bIosNseaz6XwuNdI7.8PM_x9b.YHkT31z3.v6gVMiS67LONQFuF4nT3vfAJkwfwDrA.tLrliwBCMaUslHsJ0tSGZRjOZNCU7jA4J16RSewMjYL7Zv2QvBU20Kl95aj.e1RzRjJMR6U.OvYW3azkxq0i1mApb_swRiNJaAZGXcf0wcZ1oIuTE4D4gngWALlq0m0Ybbui7Bkeg9TUILsuON8nFfx6IqZdIAcoqJ_NG5Kop8ZSx2RrjTN8.v0uCUHHpfdDscFACIhHy3q428RaqqqliAE.qgaPgVtjEmS",mdrd: "nSt_TKoOqzuk8HvR.M5UyuU2ZZEruZygr8MckCd3JBQ-1739407653-1.2.1.1-2j5Q2K.Th_r.1Nv.RTYG_7tW4WcdwBNGRsaz99SBZgkYWpBSrw7kNR8peeSsPo0SHW_stxik3V1nv2KtCEIlv0OIuDPEy9HnhDPpE6RQVOVtZQFvdGPxt10rVoQ5j2SUFqREG1FxYPhUAG0yMI2Fw.T6pf.WT5Xks9SXQP8s5osMitrEaMgqZar2bQXbg0Xs2x_2vXEJDzwmxXz2ZQgvXHW1tKfZv8_wMpWxkU79fCPTx7Cq.rTsdVqEoKDlTOAtbUDgE.pzc._NHPdAaLyD5V7rkc4XPj2LWL2pgthN5Lio5wIpDix0ynlJBdX_I5OmWq5x8.mTUydgN7D_LGrJMsJHlN4WELNU7wPD8FQk6G.SUFfkyZc5XXKjNo1Cg87133OTqm5JnRwch4jfvjCDRAx765htQHp2G53_aGcOWVr4lmL9r5yzd1dB5HG8Pohlm1TeYlhniqOlsItbOF0dFTzS7WNNP7Q7j3MVSHC9ZoeBZZv.RzmdeuHGa.yfJf5KgGyhlodZdWSSUWIqXPLSm4Q0TluT83Pjpaezm9NhdhZriNRicyWoe3zw7TxM18a9gQNHUJPQ3FEMzup.ySOJbCP4ZP4VOs2o6cIToUc6ZtlV9De2_2Ujs9BN_Frs1Bz2U2rmquzmIanj_m73RLM4S96XOLtsnDuI0f352F5sdwmwEipDL5njaU3_kRRedvF5Xw1GLSmX1No.ZeEV1qXj_A4kSasieajCsclgTCw5iniqEPmBw.dwE0MaP7IYn.y43ZsknyknHb3_M7nqICxhWt.yWgWOPWmJJp4WicLQVQRgMF.fRuJ1x8DLjBp2G2Dd7sC9pTM0YETNGzoHH6W1ivM5lzSXSX9I9W.dnEf_Qei6_11bJSyR2q5Rxpk7ZFwFcXLciEsmaft6y0Om52JrcDFBjAYtD4rYh4pyqEx4jrdl_itmQuCaK6plqg881gBuLFQXTeC4hpeHMJB6ObShd_CwstVikvO_uEkuuxyLSGlHL6ct.RBDle_XZ5.REw7HIIo8yQjO02dZzO9CQOAlgDl052GsLvJf58jFMi0x0UIF_4WWK6HbZ202wKnozzKETjwq94hYhx3ca81nx3XF9u34ERu28Wuc.dvmUy4iIZUfr7I4WWGVtgfBXMe3U0s.886vOMOkjQO6Wa35T64Li4xD5CQxk7CNtvLWLq6C7VgtsVAg_5RM1rAEpJLcv4._TAhz9qQX0WTp9mVjL14CTH_sYhWcxMNRtwAVhuzuk.RI0bNvBAZViD1mUbixTeFqmi0BU.hbAyDlj4QhW83ZM79XoAehoj_BAYIaBdluaIms3E83cRHGfz1sy7M6c8n.ZfEVZXsizUDz0vh8q2s4xNYDPjpgwkTHocs0kRqF_y_BVuUtQmbtTWEDXKgwCJazupCJVrRT6dzRZtdmKCH4L2Dxchj_Asa1mLIvqhbhg6Hgxc70iyayHh8Pj87Yw51D.pTak_HPu8V9h.gT50W6qCKBtw4.NLwDLC49NobWXun24bpoo41pNyN9MgpJSaAnoKKT5ywp9QD0P6H0gREdnYlItwK9V8cd8BGz9ftGl.UgxIHs0rMCnQwqdCSlZHZOQbcmgJyG_xlvD0N_32PxJpg2Kkvi9TIcB2Qq0cHmbNLAk4G0MNoEjQqy8Dtz6LP3is_cssvxmse6fdw6stXfn6keHJlCwq4nw_zxWX5m7Zc5QDkdHh24uvhgcPEiHgU5mPTi2pER03nFLVy6qyMkTLUyx0NDAVDZVDsySja9XxblZpb9EXueujUobI_nqvrvwZrvopy2FeFdOTZq13e0.Q"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=9110cecc09bf3886';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\/5469710832?__cf_chl_rt_tk=__U59vJuzBfulsAmcVaWHh8l.s87aVIyTpepVkjam1s-1739407653-1.0.1.1-RbkUs38SMkY.XlIFGz.XLDEA4AgrThP08zTbLNNMiOg" + 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