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-478695958213.mit-edu.top/post/3578924061

  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-478695958213.mit-edu.top",cType: 'managed',cRay: '910dea2ceaa55791',cH: 'rwRkwxgxgTDQMwSvOlOY6Jc0clDzIsrHIlyhw3W_tAA-1739377317-1.2.1.1-aRbphR0NCp3o670JxjTpX3Jtv0GajaDm0u.QVhthzLXalk5STbDGICHZ7nh9RE.a',cUPMDTk: "\/post\/3578924061?__cf_chl_tk=4CVHu2Z2fgF9Ma85FVMr806DrT4lDkxNl6cwQtCKFTE-1739377317-1.0.1.1-yLQgzsxltAHSd57.y4Estg1vgnBwW_WxOhQ2wMr4cCg",cFPWv: 'b',cITimeS: '1739377317',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/3578924061?__cf_chl_f_tk=4CVHu2Z2fgF9Ma85FVMr806DrT4lDkxNl6cwQtCKFTE-1739377317-1.0.1.1-yLQgzsxltAHSd57.y4Estg1vgnBwW_WxOhQ2wMr4cCg",md: "WJo.xp2tXefKY.jr4x_m5tRi6s.vEhACkP5WOBW96Ow-1739377317-1.2.1.1-pPhjBUYNJxIwUkBI0J0uZpR3mOeTpiGLZODno6K8zogvlxu7ZHVJIzaAsaxgHK98TuivbIimZ66NCG0xfv0T.c0Au.Nglol2Qc_Qq8_ljEqHL1iJE54yMo12PVx7Xfb5iVtYDEmybUWVnY_0GTISO0yLu3KWgUdZ1HXrNEVMZ366BLGgYzlgZ0zEjUm3j0LTJywXIMYzGPu6uq6ecRwIgY77SRwJTZ7EN532B0VImBGpg4ADGoHc3LSjZqhYrqvPL9ApKaxho1czPSOiTHeLlnPzTKkP4LDonzInZI4Hp0y0knqLPDXN725oVyzC9GuakF6O7u3rmun2iNP6RHEUbcBKF6LQmm2W33YbTyoCF9S6oua6cayGY6JcGLjW3J5LBFVteKJ55F6HbeerzsRBduCuXf3ICqt.wLf4TQjJXFCOkbQTu0LF17BcxCl8mkZYL083wxgC7ZDZ8AQOj9aisHsgFEr77.E7WjCE_J8YIhDLdhVQrPprRZHRBSVPH0TmbKZNJCOKjxgenFNTmc7CVZ9ZoEH4qytjcBak8KTqR.pxUTVBDfIAuHwFE4XbX66KRFm.fMeqKZpGUlcBD9lEGWj03ifdTubbEvW0lCZOb_gmriV_nxRdFYV4YWBFsySJetsfmxXiQNbhy78ZLnhBPkEbNugQVCbod1yAAAfMxLTj1PWHRH176VlYs07zHcyGVBIwuH3FjQXZRVpc2vyNritzGGzBXYkZAViWFHLuA.N8RjLix2YA_wwMok55cdL0UJEMLc4Vq.jTWf6Py1aqflvf0F7LRTTiCKoRvSx0VNAtCODKf5UCTOJ_BW3flSddlmeI.D.SypKYpMDn5p2xyWZS3wPOvM.lo.P7og0fw2aFqKZmVgl_2RTpy6phBn.2v5hrhra.Jjmo0L1hAS254or6bbwnuQY.NHCd909dJWnq5w_EinJK.Xd0pGdAs62HQoXz0Yc1eu2UhcuRmQSBY2UMjEHIBtcETpdvLJdFNnzsbLGxX6PYbHACKoPajAyZnMvcpXtvZBANtlj17F80_.4xk6lL6nX_r2KpzGHw44k_qzs98KFLCTl2LkABNcE_wisS.Gaitf.GaLFgf90QcO9UkqGDOhNiaXuN1DmCE7xF8ddV9Oc4k8AJA90XcVPRTQdWcubKNWYGBB4TGh_BmlnY0krQITp8r.HPYwmkK5oirqvM2zjHMkkRhQL.N1WeCVcsaWLUQJjCQewnF3IcFuqoycM.CgOdrQl.1.I.mK9ff8P.IFHtHKsgzm12lpEhVAUjdDjmOk_mkzrgZWwSwZUEoy.yJa2DEfC5SIYda5EUPsMhE3SQCwim93SNWwgdZ44tEo30UzvZ.VxGbjtD_dlWzDIILtSAEK24iArBeO1BXmkR.W_ew5SmwxQ9RH.5xQVzGKAXA_sB4JWgT9pQV4VjFpJwwJf5UytxPW6RTvQFhFs6A38_rg2c1pF4au24f1NT1NDHEnCBOT.Fwie70ZqJd6uxGASAma043AdqIvdgn0CXFgmxAPJtlvCfJr.QUOiUnRYyWSLfr8RVZb9RAo4hQs5UB3IBXp1Kwwst_hgtk8lFNv8GeJWbtsBuMjN8fPof6GXRqv7FzwmkVys5RdVE6ZI.iS4CVEic3UY_D6a8fk7r6x8FEfdCfz2GdZCKtJUPsYQzf5XBPSG53Kv474Um8ehb.hofpSIOByIyuJXNFTYoGV0uuPaM4iHqNzW_D_TlTZa.VF7PLFxQeMt2l2wHIsxYJwpVpfYG8Gxpdk1yjUv_8D7jqkWCMEZIS2WELCK8yV6H._31HyW4Z9Cztw4g_kDS20ZtQsZvE7IU4MACkdCZZJdC5PAPUkNooBFbU4Brc7Cd.kC6.Tg8JgfYzVhTYuZ_8lwOqydJ7JxeAeIHLJHQd9w4zRtGRMRrcoqcDxVqRHdsc5uA6J6iTDKY_6lUTad_9f03Ym7jYP5Ux8NrdD83dJhVZNaRRp1KVShiRzjKN9.K4cp0iB.Xe7I2jCwcvDmGqeXNfKpnRNMeTzq0mGl9ozVDGXzz4I_l1m_50KgFwPep3udFQCtMidgos1BUWKmDfImydUrxlAsDBcDzpygjbpTiPS28BhBnJkURHY9xYyCNTO4eRhAJNw9PeajH8bskqG.HKdz3dLQe0ptRPZQTG1lAsJM8ss7lp.ufgCzaZ7HZbfaJtoWjJgx3ZTyANbMdQQHfRfFTU7E3vQmirPxJ30doKIQCO1JtFX6Z",mdrd: "vid6JTj.BJbY8g3G9ad_fpTVm06uXgLqD2nXsZOmwbA-1739377317-1.2.1.1-4xrYJneufo0IBDPsKLmq0fDk4CkPJvHYyGK9wW_1iGhsxMan6_AdLAA.BSaGIAt5LS9HvlCM4_6zRsfkmgXooOXqIdRpPNHv4unPLDwY6RKFbc3mLZCLDa.aTqy4Kxz2BukyLyMbXQU2wlYil2eSTm1jSI6s8g9PHT0AB0jNcTU9Z6WtyVIPcZYhzhOkpZFUvqD23L5_.XfCljsgi9ss4fRYPWUZA_BuE9PETKcaz7AApgQEww3J_.CBsVY2MTOG1nEUImLhdlRJV_t46l.xIXTCEo1corSSMZm9LgMuyaqc_lAA4xTUIEwVyRGBzSHASGAT6c3i8_5DNj49thFblYp9QAemhglALT0IujK4L..gWVOcNIYlLQ9hjGDzWQyWjgn9Cs4favVcwU.zndeJ.Wf.bLwbU8j64wVqbpiV6fH5Y.vfVpTRJ_W6ARkhW77bTGH2nspKXxCkIxXu96He152kyZ9OupRBc.Kr9K_CS4f9yU9_c_HMcsfkVA3NzOa6Vl3sQdV_lCjzhhociy2MgGOJov9muN0KvtG3SCL1TRphvEx4pGLjCJRcdeSArSOyZFYrRbMKVlNtz6YWnGMDSV24FtGS89vE2RgV0CJpLNxqLoxbfZstVfym4VQUIG0FieOHXb5w6ZOtPYVKTk2QG7RS6vwz0eCpKQrlLVbZHdA.YKrUySjKWVy65RsGKJp0RsYpECM_kxG80VDUKXKDnE.yE6v0A5MTbQj89EzcmPPQ.YMLKNa2OCVkg88.yn3tggR6XWldSFL19d17dG2ojOATExDac0CgqRtFmgbSozsrtSJ4Ozeq9l6Qo6X3eGmypOPgEBwshsDy7N9hybidJOuiDCCSj1OrvuXl6Lo2pNYQypEHZtze2XtHg3QJiHu9bH1Rxu89IwAGHOysvtxshnbsB5riWQWx6koDTlzEGuId_3WmMPRpc8bffIpcDitjO6fs7cZZsluuPFuC.OQlL.fUTtSKl8KBCzrUv1JAiIz4pmYAkcODq3KzrzmcJzqJ_4LbbAlu57I1UDbHx.lQLGWW1C15XXMJww8VzlbUFBDHjifaU9t1Ynkh_Fvqykrq.GTZ86LCoS2FtuSt2JST7tMRfCzliulsJ9WG3wX.AtPeqe6Klv56mHmZqCTuDbsCVo_yB8jC69O9KbMAAkWxarcBTvwE0dImrc3v6KUZaOlAFBg7E2y56ZtDjnygj.X9abvWuxQiXvLh3dmrGZUTrWRGR_4iwNIhHd.0dm_aBa80CJ6n.FJIfSsKAtsWExr5u65s04KEM9Gx.ZWttJFjJWfCWQBCR7LhRBYJn8y7kOUKOP3f8U0CL5PzaPXWu0HbISYknN8AYjhq3c5JEhwzh0RB44.XAxuqyEdWO_kCKWHQeijTFiRbe6RrzsKzg1KlLWah6UGgl1exREdgT1w0n4BDhHpP26Hldt6plHjHZ1yLtBBFpWSUmICJpDAw7NPl1NdTUG2Qe3Wroi25iKHfBVCikH3.qmj6Q43LjYstV0iueU2cJTLJ74xgnX5CuiuVZ.ygf1nJcVgxnyJhDsA610nNoHUvzvmmdBznzf74fs0t7XJykgO56Qb4RRCgEgmrOMvmIcOjClXRzNLc3nWA4haFAAKe7gMlgPMMJ9usdxjXiCYE_8axsk1uFIyvhPVDYt4CEbvMka3MLTDYsk5Bt_TP05dLe5jh8UhBPcSTRN32NVT2mbIBNSW8WvFJMXoffpuFGjbNCQ1Jfgc3BJsEf9.6jjyZ90wK4cDezYFbTsIuCOX0SYs2dTS9RQJAkIRPP_WU.yDy0cWYNPndFt2N1QqiifizUVrml5gPuj9u3Og"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=910dea2ceaa55791';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\/3578924061?__cf_chl_rt_tk=4CVHu2Z2fgF9Ma85FVMr806DrT4lDkxNl6cwQtCKFTE-1739377317-1.0.1.1-yLQgzsxltAHSd57.y4Estg1vgnBwW_WxOhQ2wMr4cCg" + 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