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-aff0emmso.mit-edu.top/post/8693257041

  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-aff0emmso.mit-edu.top",cType: 'managed',cRay: '90f7dc78cd8f3b0c',cH: 'uZWHhAxcHV1D.8KYF3RbJHccM..UypdxTgpeE_sIBzU-1739146069-1.2.1.1-AMrLUeBrRY7CdalnQkbn2Z6y4RR6vIrt7DWGCU1IngWR0iryPkQmFeIAXd_PMcbu',cUPMDTk: "\/post\/8693257041?__cf_chl_tk=Ntvq8WioyecqimufcYUcJx9Jpa0WGPWeWkwK1zhO6es-1739146069-1.0.1.1-6b7QatyD8GgQbl8.39YyCKg53jAlADTnTvHq7jeg.hA",cFPWv: 'g',cITimeS: '1739146069',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/8693257041?__cf_chl_f_tk=Ntvq8WioyecqimufcYUcJx9Jpa0WGPWeWkwK1zhO6es-1739146069-1.0.1.1-6b7QatyD8GgQbl8.39YyCKg53jAlADTnTvHq7jeg.hA",md: "OanYY_vrsH3YMlabQAp9ToJQi.S2RzdKOyKbFwttL1s-1739146069-1.2.1.1-SwU.BYmcZp4OgBGm6S2A_k0Dr5JeJpsEm0pQZ9Rc0rHVTRKWOVUv61Q_tBIw6JjkNKqKfHHUOLguB4ZWAw4Ie4Z3A0Nsua.6xzPA7eimg5u2RmeMrLVzS9o9klYJbCLsC8PjEUd9Huulx7BFnnHjzGtCgEraViNnuAOSYfqqO4MB273_DmALdUivNSCP.bktY5Z5etWQKBzdg81jeb1TMkFWEJCeysU8ZS9hig0HQvw7qCslIHAR_IMZmNedKvjcVHSoM5.4SgBvJyPrtxYEPvE8Nk.iGITrJoZJjksIhT0Syz1n4d770K18VPr7WSsWd6Qd3K4lm3pjXECyvN2SSH1oDweDNchFJKkoCC4qbFqsQ04avC_uDs0_runPqxVnD9TOXkrAgkQ_Q4MFp5jHY.VPeSfDNsB.AxDTiE6iYbAzlIrU1MCjV5Th_FkJq721u1F2j1OSIzoxaysPheWKuGuDGTXjDZLzb1LImiI4NexkKnzTLbn_fbltsFybN4NgFegNAVkeZpUhlg_.zyjRSKNPYwhDz5O6xGEQaSV_s1kr_SBPARgOcXJPn0oSokM2OBp7nJOwwzv99N4Uutl.iDrJ9uMK17Mil.OUTUrZ9YE0xyLidCSnV5FQQTmHNgKhLt3s7MVXCAHUdVXEl6ax8hZeHpp1Hzl9nC6aa_p1ZPcMkG7dNQkeTSpsy9cdL1DNUSSHdoZO7MpQg59JeNXsRKlV8gXAgoNtx0UL4iAzgTEZUl_qQy07G_XOwvIV2UNd7mjl29p__hCD8pZj2EAiqpg7GJqG9KFqX3f2x0aaRzFmLv3YXifHKLWaFn259fH28pWit.Ctumo3A7JBgP2iJuxfeOSXChoHU53SywtLG8cw7LDuPEpA_b7lgiyDO8dpGSFErOsV_eMIVEJj2r4qti3YtmOCvriGuUsaDj6VFgpeue8aKZ_6.7oGuMn7m6DR5CkrrI.nOcoxQ3kn5YzbFmRfulVd09fxSSzbVTtLYUWaXMsH4sLZjUyKKUwFWiYBG4soZMqvQ7NFJD2QE1aTqWMyCb5ocDWZMFSrDW4zTg1JM6N_iV5aKwlTm3R8rvylTkdP6utL2f1ql_BJ2wOqqJa.hPPEQHC8I5__XAgGi1rZOQeRwTRKTXwZmCT54wEhTSSIdWo2zAf4G9MUau_YPQJTsAqccDgj3FlUgTgQYx0klZ5_QrXaPsCzy3IUskdyGSAYn8zDlxJU4SfBotDVtnwqdD3_ohU0sPUFrLis01phZmK5oExBNbRCFIIrQEMz0D2Jwan5yTSHG.qRjTluG.Fb7Db8oOf6JB_GLBzCjfC7hxSlsk2RXhvcezYwlUJ.K2_ODXyqJZQJFN_HFEd9ThKei_mMpSqVX9ixR1gTuV6qh2JG5RgOBAHaOgKKQeZGpjS5bWpEyBjFr0Il12DATwhVSQCrbnXC9dAh5D2IWWIB0Mixf56B80ye_.Q2lTxVNO3p_FWBIEDppnh3161DCuBgAuxqLE1gQ3BbmXv0Cs8TXum9R.ax25Uia.QaLyr_3rdGUca_fIccq4jVSKOmWGgud67G9YR8599R3kWeEwDakvZKQUkoSOQThG7V2ZbiBL4GAr16JY66xKS9sP_8tZiYdjxW753IWM_9ZIZMkTJN7XRR5TQlyWv7WmofhyIUT0Klc436Cd1rW6UX6w6Kqqanlb0uzFZ00eVItsjDQACW05lR6B8RqCbrq9vMWqbCcLCK8W3gD.Sis5sTDPVGmRkw6xbvW1vzzTI9Ttnhyo_ygA2TDi1xXMDi..JvPYcCpTp9R5PRLf7NiqrYht_YEzSk8Bi7XRMCBwpaHlhmGitgC6AcsFIo3WGdcP968u_kywsGcwOiGR.43z6GoJP4hGAGC0RCb0q01sSYseV94n6mJw3OVhljJbCRWvinV0Qyob7FOo4bWovD3my.SBJ3_5.TEU0wjBjTmpwz7ghgHrLT.5yUi43ynK_riK4HcLzhT2sikczHsj70Aoo6THkswe5pU_1p9o9ZKr0Xii09zLx_dX6P5FStm8HiDTlpEtrxOyLLCcS.4_Njm.R.r4iXfj4f_BOVj40JLp8m57m190.54tPd5KlaNKshpj9oa.jfxUOYpv2WkH.CO3lYkyTM3o0GCuv_UHmAl_j1Ti2ethE81JNK2lGZ27XZRCn6.XzyJb_RABzoH8ACeffnMvK0.X6.n5NhwmwdO.Jtori.1KDSwv4ZdJep92DzdHEHuh2w",mdrd: "GTCFHyOm5TS0DtNAStgWSEyiYsnOz3jhP7hArT_bjdc-1739146069-1.2.1.1-JFaP_0BiJsWqa14ijGrN9.1OwM_SmqpXynYY_Cm0Xfn2FT95ycP_mQ1swpScFsDMg1Flpg9xQVbb1.LzT6dpuwHijr2iWx10LGAeYWItpMDp8clW3iThtgQG3.nuFa1YIkIYSuTvPnHg.qkx20juBFjRnZKTc1moZzmUC8ayIXvmGAJQorpV3X_MJo6nZhnDvdZHk5hY0eDNhhSwufH6Mk1CpNzNvhStSh2DjinDttbYbiueAKY.IHG2EDAfLyruNKLOmhgOrLBJiVAwU7xuGIRVdyoHSXE_CiM0Axi962RybVZJPxb0OkaSax8P3bLolJejKUyZC.lcOsE8rqDX6Mzpr8Zx30873k1DfWI5Vbq.EM5FjBZ.PbKdMrFhMxp99EgLMkef.oG9yLfOgFOKeFB.7hFNopvQ4vCJ1o4rvhdWzXR8SrZNh7f_IEItHiZro2rplRq5ZYkJ2IIX99FWeZcTEhws4Wj4yl63f1XsDL1vAtcSv.y2cXef2GIf_iDhjpUF690p2bazHgTPfcS7y6HWTxEoNbQr2Fcikt7MSSkhptS10g8lT0_36g.kJhdRIokZw9aEsfgj5nbgZ3V.ZeQxYuCoJLNHRpdHGpFGn0jHjhKhHALMBaW1C0a5i85RMBCWfKjf6en5EnocWvghrXRjO0CD65D1Is_VGjDbUnnovUDxiN8iXCGh8jwVt0WwuyaSmcBakwC7gBbVl_0s9P5.t3cWx04k1LBvP_BO54pE9fXNaZmhiPenYetGcY1wdZuc.oRIwHZyJWQ4LBdOFNK9irmHvgmT8KzEwV2u.aneLBhZZTZWufs9zWx1ROCX_q72DmPGPHSRptg4t7TsfbCOSDJU8Aw92fh0ya2LqbbJhoYpp1CQM72Qb3R6h4FR91C8E_ntpA3YGKjOzj7kU6IV2pG23sM.Fl.0SbaJR9uTsN17YZImD3.PSIlzzd4PaW45LvOu60mE5PbBGYGdg.ClxFRNzMQ3EkusAfWeNnbHJTJvEqPWjCIQHPyfOLW1v4iXa.Qne.dod3dFTwf2_3y.pLc53DO9OXXnmndDLbQm4JGItz0ObdxczRBjgjnzSuPTv4Ii9ORz_ykvpiYsjKuOr5b6InJCGfuuKRNWh.mtBLjFw2EugdtuP1uq6nl.Bc.aqlq1aJOA4nrtvUu_hmPMFnTlFbWNjj8y5gtCdpLCTfJ1TwzRUpYyYnVkm_5ov4q78rR.cIVYCrOig0vZMJoGMJPnhVDlAQgDmpNRyyULubktDfr178fHoCA.QDS0X5b_XG7NLMjutNkW.tBqsYbP0s..nWVwUB1X8yZ79dguIiSsyXloJdjummZ6jeaIQ78Y4KxiR7Gcm4dIjHcTf_VH2aSRVW.QoG.1ZjoBAyjPtKiCCrSTG6t150bt6yJXzzy_S0YbUQriaaRmb17uvI2VumgqNvC4uZU9GNucIHL78pglkKLNsGpy6Exvfzuvl70TDlroVY5_giVDEH3w3vMXNIqLkhHHgFO5mkj.YGVAYsxaYStdJaXC9u.HAAEA.KkTupgiDL3X0EUD.FdGizZdam4CGdV4rKdfgCNrIz2dB_3c6Rs5ZKkdeU.y_cianqmqrn.3SGDDSynSYtR3cRWHzY5wnysSz.q65AQHB5_f10KxlkkfGOz4QOoWNFzHI4GvOxK8hC7jfgg7kNDKFknleUpnBdNhzPB69xNwWewxX.lZcU5zbDIWxFDEhXvmVbr0zYbi3o.MipKsQsMRk3UhCtKh5Qtj.JsbJczhQN_Ckdsm0C6VrOSBBZKURoQwBWiterdahGvIBEyOFcQnpQ"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f7dc78cd8f3b0c';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\/8693257041?__cf_chl_rt_tk=Ntvq8WioyecqimufcYUcJx9Jpa0WGPWeWkwK1zhO6es-1739146069-1.0.1.1-6b7QatyD8GgQbl8.39YyCKg53jAlADTnTvHq7jeg.hA" + 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