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-487415383697.mit-edu.top/post/5312678049

  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-487415383697.mit-edu.top",cType: 'managed',cRay: '90fbe17d38a7c9c0',cH: 'lB1epWbepHpfTiYxTFwfC21kM1Ef2wzYqNo2PcKa99E-1739188218-1.2.1.1-452Eomo8y6DsGVW.9ll4NeYcL0DDRAIwSlAlUXv.NblgXiwedcmhRF9QPuZSH55D',cUPMDTk: "\/post\/5312678049?__cf_chl_tk=MU_Ji0BW361zLX5lTg18ofDT9sNZfEyCE7q2aA0Fa90-1739188218-1.0.1.1-t03oGpH4YHpUdsgcNubelqUbpr8XCkyMB4hWXuAIQBk",cFPWv: 'g',cITimeS: '1739188218',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/5312678049?__cf_chl_f_tk=MU_Ji0BW361zLX5lTg18ofDT9sNZfEyCE7q2aA0Fa90-1739188218-1.0.1.1-t03oGpH4YHpUdsgcNubelqUbpr8XCkyMB4hWXuAIQBk",md: "X.QNNb7HrwPQKvIvlxE64CQrX_hbOx5Vj_ZGXnFxubg-1739188218-1.2.1.1-ROQVbZPlTQNn6PTAa1dNilua6HkbUZlpGo0LPg65nzpuyh1YxrEJVi6s65UyMCFpP0yPAs8V3lGpsCgW1BcV1zTsL1E4VYlH8nIs6a7.0PDZuVC3Z5nsUQxEy5Dsi9SEjLdH5HjG3pAzRVjhskjs62f2QByoChRiq2YXVBGIpL.nnsZ0HgquVn3CsPWVRC88gmWA4jjP_6Rxt0Is2qDDQc4C46O0S3V04N8HAF2NdpQFYSb0uPQ45IwKt6lXl0cX1oWsoJsRSKa4GpelvsFDTfG2h.gLji3x0DK2LgWGGZYPdtnDgSXmLWPI4SYfdmGCbeIeUbRIsBpi179D4LoOhERByGDBQN9QYihXVytzxJwKRoXvVkycXpl4DegNLqQmZ889qqR91q7dLPfvumhXnDBGG_7R9M5cBsHdlZasTwEcTQkqPgIfqaLaJ4K.hRPpL7ntM1mSie3os9JakzCGfsavfAzewDULswlAFunOuBDWotvf5xieA8AgiIwGaAp.dHyVIwjaQ2yCBoRoDWSQoqcIXSgu8w7oaxd7WyUOwTa9uvtRR_vXvLk9EnnmE_Q64yWmzrD3rMro5.X8y7Ke9MIQiBnv0LwXEI1feXyUechjZwGuvtEx94wP35_T1xn9zstWTCFMtRc5aNYps009pBZDkxUnPwVBUiRnIiAy9r8o4HuQ0.R0UhMn9aH_3jp.tiyQVl6isNmSHdLbheTXPw5CmcZ6e1fm7MXpdgQuChB2jpnV39bZRbYCv77g9MHh.1C1yvLkr2Cixg9UfkNqu1_TAhNsInjeEQiaROJCvpjWaSGlQzs9OR6R4c_gYwuLPIAZ39fHWsCkeNcpKGBCosA6oB06SJGOG9I4PFgw9.Bln70vUr3mqeQ3KaUNUAOy0WXCL.LfDaZYTcB_7ed0NtqZt.wjMcHuqJpAbnVFFVfnWH3pTeLLOq_j_4vMV_JfJjK1h410DtHcxMHGUBW0MOfOWmhUtPQGZhTs6S4.FwcIuOmFHLrJdq4QKqcCBkCMvcbVpRSFWjIMgWO75iS_P_uyxI6GV0R_jwf7lNmh0O_JABag6A5QjBdufBtJHsGqXx2LWe5qMFIc1bwf0MTuFFAlwVyAANW3cuckSS_KYF6yiyjTXjmeypmxUejDSWJSt3mjPhLPR6Sz3Ml0qYCt0P_wgrjAUftMiTkWkFW2EADJ0rEiQDkqLwNnDHNaRa_GoGe4rBDZZgfvLRpAWjJvuAYLrvHEW35zKDnxyf9EDH.x7P4csxJ.CLoPoAa5rtlKob7x3LDW.InD2NQgjkcxXRBugKwX4QPQbncTQ6bSbpvEoW2lmWQ61_UalyDR6m0IiZqOmQH2UQ85miCxi9fQ3OR_GB3B.z7zh0pNORK4TGL2Oilo5CxMxsOUegtVWwW5SrZCqtAQIQYkOm1ZQ4uuAk3Hl0diEy73NTZZvIoiOefCha1hBekddJeteMHwmQmmoJ_n0LvTMvvH.jZ3VmN3pozGy2raGNlUytlQJzOmchPAVm2J4k1.4xKeHqFnPGzWZU902DZ6SZ3JYa.mbbFd3zbvAint3gj17j8zoAwu6NNwAV3PZGwsOFUYZw0EOygWOUDaN8VGocwxgT5J1.PYQXHpcd2ywgL8_VUnmnf9jBN9qWCBJSAOUt5T9hhVzzpaMI48_BKyKT_EapFE4xKqVg_qK.Y9hRIxngDA4bBB9lI1LGupL5ns_FMqQzL7N5kE_eo.jeqKRWysYvY7brAB24G4aSMkyXhFR0txBqInqaBiwT1_OWpRbF2wZoOH355bHADa4Wx_2hsWsfKAUPODxUpKeTacCQi8oV7VoK4EC7wOnxwyMoVAiFBzEsRAw5Tl24q5Yjb05_.l9LCnotYVXNZQpte6fCEycGmyYg4IYG5vvuuzq9w1sqCiGAjWuZUZbgbfC_PorIxATup7XMN1PSRiig6In1Rj9CMhGVx.bvKIIwgzju5FMykrYSDXktvHJfrZxOUhWqBVVBUb4s.1BzG4L93uEyXf4Oby38rWjihR2FgR2hpPbUXGe8cG5SI7k87s6MQHN68GGV9I0ALBUD6zZo8GWEtvLKNKqzVpmfVaPAOsT51rfVjGp4nh.TWiEzanaxX6QoPuW1CZA.LOtjXJW1AH3bk06EVmq3uE00HD1j5god_bRpVb0HuH0qRMwBh1QP0xTusU313riOxjKjy6IYdDQWtCNRbN_GSu2Uu5WwQK6vMKwFbyaTUhRb22",mdrd: "Vz4r8e55JP07oxWKMksTaQYqD1WNQEDWosl47floX0s-1739188218-1.2.1.1-ld5btm_eAbLMODcWtEpj_UhLqR8BgjCdSA2HcEX4OdzyaSYi8NfGIlHWOecQvne1L8ScYpRAU462qvgra4Xu7nKpxV6ECKS2Vwa1f9Ph45fh6RWca9LbaoJNi7bkDa8rqFzKW7tbM8whUYy2dyw90_ro.DyS1ho1aSrghKjy52Hz2c7HPemkgmNnIY6xHalvLfUTM1CZmVp0j5p9mOCEoFVW_BdtWHOQfFBwIbdrX2xJ62AlLtHbiOt.pTUW8KNjhOZsTDvoreOxzDTIjDlQVE9GPoYk9MsqMW3kakusH2_Z9Ck5Ro4aQ8O31VJpzhzUzSZSFifd0dfkPNoY458gHctrQg5rjGnuZsJa86zBd79SggSaDBJaq7HjEji8nl09x863DnrzvSRoquy0vau.t1glCcALfMMcP18hCvmiMJDUjsaLmqj2IGhiSucJpiETLWr7zP4QGNtfPin2M9R_G1VAbb7Pm.8POECBO9fzKOWN7XowDMtfl7MELLcxpUAiTKlB5KL7a3QQ8fM2tT4MJl0.KcpSgbuZGiEbMUg37C6OTI4VmQNePZOsGX3NKEQ6hGoG.EyCpOgLxHj7cxz5gPHQP7_4z.yZTZMFDt581h8geJT9qNK3Om.f57zXYhO3O3N.dFZKFDsDvdTUcLSsOK3AHpYcxY6Wyc__I_NluF21W03aW20W_fpab77IS5d35BDFRP5hTHCzZd2A0H4_T1U.upw4mU79Ld3.1jKDLoEfe7OEo53vEJZN_Vi4SafUyDKLFDr9maYPkVMdJx8DEdc.0EF.UARxCR.Y2Nu06BJ6zZJdUO2_nJgey2Gm3tNFotSuY3iSF_TZQe52gAi3v9TP_fAzO0m3C12U08znsucxkZPbxNjRlh2_Op3B6Fpq7yaEtSGEddFzGeLTwTl7JR5lUKEYm3OwR0xi9zeWA735Jw2AtmRVbujDWS7pHRung97lZT7OZssR5buWuwJLHPEzWNL0szVdKLRMEMkxxo5YhHHfcpBFzRkZpYXowtNjKMDVUWaBgsyMU7O.m.FaciBzx0C7HSFZCXMegwlF8VNb.LvhmTB228HL971zWD16aTDGyn5f73pgMf9IkK8Vb2cnpHaAq0nMm7ZuohkP0MGmAJpmK1dElS2M_PKOjCo09xgUW_AfVAkJVUP3VVnfZw9GuIKMuHWl0WXUQCS4BBEl07oJo1w7jtxoxXr_gWI4V.mlo2MetYe32I2hyEhLuhZE10rHE6q_85FANW.PXrcXN7PvVfLF8P_E7P9917Cbi7fgp1AlIF8HOsA19VH1Aom2Q5VFm3t9F8tig4RaJxdsaS5lT3Rma.t2k8F6aEF56EA208z_LMYBIrxGivzGZ2Xo1LEW2cq9fpFmv7sy9gtlB91rKU5pumEP5jjq2MBsEfE08tYG5fZXIjZgAMwf0HcqZUX7iPzgURNXeTUAZpgupM7Smn1ZD2QDrgaUOifAu7LzO1zQZ5cYGkNmrNa1Uh8x6VopBGvD9Lu7XXwDTL2nW8XClubtbQK_VWyLpMyQhuLgwJyXtCp.AUWlTX76qtYcYMZOYWmupVbJBQJaRzmFsAE3PJem4jPqNhi7eV5e8bc2I8314uLKistC54D49E3ZYKqPxxM7lx4WjSUPA48SDuSOJyUVz3avgTdYYV8jN.74iTIZDqkd9521.08lv369a9t8EFlZszgoO4v7p6_HQRR4u8agMPZRqp_4SWlVkq2QrpN06r4tKgI0ngQUobi2hqBY403ASDAAeb4W7y_bdADU4ln50ejTB4KD5Z25y9VD9oallvFPBOAoxvRxyfdM6V_AQqTwa_QDk9JKCAc"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90fbe17d38a7c9c0';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\/5312678049?__cf_chl_rt_tk=MU_Ji0BW361zLX5lTg18ofDT9sNZfEyCE7q2aA0Fa90-1739188218-1.0.1.1-t03oGpH4YHpUdsgcNubelqUbpr8XCkyMB4hWXuAIQBk" + 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