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-998520394991.mit-edu.top/post/4930825761

  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-998520394991.mit-edu.top",cType: 'managed',cRay: '90f375119d752412',cH: 'xpnrTpPcGzXQH.5IDa.pv3to8RLrmbprEBZWqLko2Uk-1739099891-1.2.1.1-LHEXP15Wm1ihWyMnLhLF8D4tnTFKwVTnATkx2ylkQucGFKLyxDluEwrmUMWknbkK',cUPMDTk: "\/post\/4930825761?__cf_chl_tk=g7QGCFtCZHmYGNUObdZJUdFKlCp8cFVk0n.X4zRiROs-1739099891-1.0.1.1-syRfZWn7gww6.EMkvJzEgu7zDg1uHaWUoUR2rkSBxA4",cFPWv: 'g',cITimeS: '1739099891',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/4930825761?__cf_chl_f_tk=g7QGCFtCZHmYGNUObdZJUdFKlCp8cFVk0n.X4zRiROs-1739099891-1.0.1.1-syRfZWn7gww6.EMkvJzEgu7zDg1uHaWUoUR2rkSBxA4",md: "d1toxO3T00gqPLfUfPvmXSBJ4vK1cm05ZetRlf1aYbY-1739099891-1.2.1.1-wyhRo5aL53CWkboy_gqWcsN9ufBQd0Mf019_RVi8TLgruphq4PsGY9cq1wInSjiOEi2zMbmRLhZajnq4FUYULqwYbSZ126bj6lhy3OOOTsiXF413XCDjKuioq6dI.o1It2IOPZuiDEQs4f9EaU0L8n2aq0P7FWOF.tb1b7sSv1GCj9wD6HWYMDvJukap8w4llQdUSKXNFFREwb6vCtb5aZcmi_KMsZI4hqrhfwubUmPcyyBSYCk27zaglBsQ58jz6_dM2U3z2gy0F3ICvlohByc2Ak6fD6nqN.PLJeAIrJA1vIP4oyF8ehJp_cBgC6WjoCWMyK3SZCJt1hDEKeDDxvnQFeYm3TraZ_RnSXyRSaKD.AiV3fQe5yDlldYSMdrlASbParTAzt2cxM3p0vfjo8cN.u6j2e6rEZ3ir25gikLtT0hpDWmc758vxTMRCAVoBfRExoRsKgfPKG9HwGkvpwrvx5h.zkOVUD4GaBo.kYu4LqwYo4b_YmIdA4bUSXusbi1av_naayH.vquwBwNP0E.xsUP_.bdHufjee4pGI.Jv8xutgGpjgG1MGSmQ3pfpXXkjUlRDTXSykp6XOhliASLcNuJW3PZmN07m3hsFUXbyfu0ZkveFTgjkOMuenSciYb5EVrH2NLHEs2PrN1uuuBEwGH.IoR5McGGInHzN0aFSJQQ9sHcO8MEjzBqCAh9l3AjWSHLvgBC1MkeEeLrqm1pOkD8Ute0vwbaRes5IpE2UQiE1Y9KRUsWDrWhOM9mqvmwC9no4LpMDGOnqK1ujMRZHllN10Itd31cGbESgvevyb1l88Q0V3RWsQkw.2Mug0wieELDq5.1BXTeeggn2TM46n0uykYcL4ijMAlzWEA_5qzrtP7TkraduuSvQNV1.kw6oep398_w1p3V95IrYCKw0FN_sXR2_qYmNyTTpl.C.7OMQdtj_SpDYgcHA_EE0H3WCcxUlLTuT_EqRpEdqywUZ79GpJeVcT7L3G50Ct7kto8DvniDxCzltMQWQdF5J8rjjj6K_hCw3v_lEq7keYpDM5WZ1Uvpzr3bhCUcr3Zl0o1UPKDgDXHrp9Kix7og2oPO2lqJaLM3_.ek7ToMGmahiauBWptOegdDIZ4J_c1GaLjwNtvp2F_MOqrGdMsxjncJ7OPPBkA604G7s6gT0ewwreyZdLN8huVcu0wzeLFt5uq7OCoAuQjbrxFzTUPbCE_yWheZfW3Iow5MA8_A1_dS.hbK73ZjnbmGnZUHcOI3HLTD5BFlvTZm02biFdaVCcsqHrEIV024WRjAePzYUoAZdRw.M6xukyKacwnlnBBgbQ9JcFBUANW3wntkNIWcvT6Zn2YW..yJ6KyCnq6w0Bu1Mi4Hi_BC3IeMqJ61SVurmApMEJBYWSgf9zS9SGJer0T05fqSTysQf79FJ1ITGdmT4SpMg56C11fkCxMTm1vAfYpJd6yzZg1can5qfJIXgqab3B.WOABEVg_p8fNyW742LnX_N5beYz2DKTU3c0nuS.kl_STWq9Gs71OcFkvlxgftklvHJGzMd226jW7GO3I0wuU.LgzWuReNrJR7RB_9AR0KuAaH3EwoA5pp62cLEYQcUNOSiPX8c1pyRtNalr3BQJcKu5oPlfG2DMTUlrXL0Qw3g9u2XzZY4kesL1Tq0fDY9RI4jvF3uFueCmaOxZsps6eLl.UCqHcFSz35MJxQ_Vijd.WFNZxW50Hn799Qk6sac1oja_BJzJdN1lqEgTb26ltH0kXCmgUnEFhEQVIW9FIol.c5F4atgTTBOFaL369SqrMWETQzVRbqlj1iFcjLTwIqCcxidGpnvV8B.lSilXJWxDV0dP_7V2WmrV3gYm9ctKjd.z2wzFg76JYHUGfRmvwlhIWCnQCGRm_q2YEWwJI2JDMkfpYCJeJSu0Iv5U5SntVtFnUSONGZvvA94a6eZ89Rv8jObiKGJ8B.wJsx3LjGtYRkkN6ITPksXvmZikWAF0_U6cQ2vIueOSNGUZHmH6AJlO4Iif99ZevOp_jsHP6Lw6hxf5O4nBjN3KOm_ditIDg52_Ukru9ny2061uCPcvccWp2f8hDy9AP00QoQqTpXadtag3jalTpgZCsHRC4.8AlHy5BpFGd.UdDUHbtQ_.uuufwvztpqXVTAcXk2FM9E4oTXpQxQVQDE4W1nfT3c1KlP4db49xnmeevFZoRFhuAkHIh_wjeZslH5f3_I6pXNRRdNhLy_ofhl90jgm",mdrd: "5TU8r8RZJ_ipevLPjYZcXJ7mSlkxJNp2_3C6cQr3Y28-1739099891-1.2.1.1-0zgLBBBJx1pxgzRmRXaF2u7EW1GkqPWkdo9xkUEda2EGruiHZkjGK9DtBJgz5fJK.DfEcRhGMM4wms6BWdvOTzoWutaOMlFPmCBzPIgY4JjsMlRS2q8cWEdlsRgbVffiUC_MOS0gmrfxlKLo5niG8c44Z15zTxJ7OGw1fLFLXrgf8YwD1ZEgdt6vgqI.7V8r2jJ0rsCHRz9Xe76okDhqPpinWXkuiGH.h4hs2c.FOjN1ICPsE2mpkotFeiB07HHD8rnGsq.S.e3XVF.geNtQtPyR6CHO4dsP6AqzmP1.wuXXC.ke_xRK7CKgr4ASZm4hMesYrXw5wLqOxMjDFHJyQqF7LK9RDIqw8b5ytg9vbXugU758rJgMvgXFSVIOA4e4yNVqPCeuCkBitrXI3oi6mR8triTt.pmrELcapCtdE2PMufoNebJWhGaiCCV.vehMXpsrNp.55iq.i1ukLm.mNseQ2FL2VA4uBSAHnXemyA43MpGhDuqzWflk8eBgMeC3MJEeB.uTx8qm.TIqKCYfQW5VCY59DXwG.eOjgDcHsXyu0YH5kBnqvGw4bNKEtwOBNDZLx0FuKEIPkC3A_ZyUd1o6guighioWckhEwc4muN.BBfD5Z0gBwoSsCy8LUAlUxzqWwmysWFdoK8WyQhqqsHPDq72HzWeCipENs3glAZNO92GR2QWcIH2.ZWjgXtY98GySONITTDx9ZdgU9Ls.zUyPgvH7pE0g_o5NfG8Lg189JVNH02HRViHXulsWgYv_98m.txKjFfIu89xx2PWCSLMCTtZ5pewfCj.qsqRlT68SOS5BCBjeRJBxpTZwa4SNN7W.yfUrFmQ8b1EIQwyy1PTDGAxbgkp_XoZvFrhYMlRDXXgXc7k6pSBot8yNpLfj9V6q986KDYUizDaJ_CgiHwE3YhCffDd4ygpspbipzKht14BiT9BH4jMeFIXUBGfGWczNtMaHCRpa4NGJOfb7ZjZBPC5dsLNXTogtWtCXfR3t1VVu16CYpbXDfRTrdi7ONce7pZ5xHAGmflzFJhIPjRWmO6MppL5BiSb0rfb8b1k.grrmKkpCxq_EbjmTvM8tEQYjgY1yU0qkTWyErAcXZcz_VVpEmYnSpEcPY_W0pnsIQGjaIMJqdZcKxkNCAlcxEirczo2HoW.P2st2RnjCt0UlvOaOxV8XQx2Ru4qDecIg2LmqHlwSQE6wZsRaPRK.u1qnXx.oXy1pdvwrvHYVAv0T4AkBwb.Toe0BAxygo._lNXN5vj8aorAzbXkteXNguq2VACDdCcrl0lxY30l1VT9yJuRYaYW5NnCrGpqbP3YsmdveFctRMYneaTXDxhoBC9XkvDdyuRgseRU0wZ9BF0c6ExYkpKuOVyK68Jnv9t45AjOO1Q5JaEo9RESw.I1hAHa63qgjMtFCx90SOuLS9P7BvL2NyxyWY6B0EcKxm_gdBaTYkvb0jMxRXFgTZiV1WoRoPUkP5ssT6H0_KhLd7lr5S3CUBP3W4fAPB6WTTlb6PyHHjMDPyJOQJF_l9amjC1zkO1zML8Dx6AzavwUGu1sBqdz79pqTTSbhgU6zLZPnTuqahh0i.jpK2Khgg07pG4oV81TR5D.6npmUGoBCJu.C0mPVDH3oI_GLbQ4kaiBcwN2A1.Pmy_yxnzJONjSUJt1wv5ogW6JVJGrBacfQP8j8rtQI151yE8_CM0eje44LM8tYWQUkAmlZeYcGJKeODSPvklmPWhgBOD3ENHHr6zAsZPF6IUrW0tXGJ7xeeeH.BHw7gBXJTNWnszzkFsyeZMQgBigAV_T7dHdQAbqp4Q"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f375119d752412';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\/4930825761?__cf_chl_rt_tk=g7QGCFtCZHmYGNUObdZJUdFKlCp8cFVk0n.X4zRiROs-1739099891-1.0.1.1-syRfZWn7gww6.EMkvJzEgu7zDg1uHaWUoUR2rkSBxA4" + 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