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-631341632666.mit-edu.top/post/6513297840

  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-631341632666.mit-edu.top",cType: 'managed',cRay: '90f61cf16e8b077c',cH: 'GLpHin6YlVKsgNjESH7p1PO207Kzo2Vk.91lNwlkDg4-1739127739-1.2.1.1-An6u5g6giIItm94mD.THItI.MDVoi1KItcfC8uE_y9V6bA8snVBBMZV_lao2j8W4',cUPMDTk: "\/post\/6513297840?__cf_chl_tk=iarOihCSwZ.tBDB2k0wO9MPC0rMRjgVW3kz4ek1oYQQ-1739127739-1.0.1.1-fjw0vVPtSxNdK7umxPaOomYul3F.s5hyKlWOZLsuvIE",cFPWv: 'g',cITimeS: '1739127739',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/6513297840?__cf_chl_f_tk=iarOihCSwZ.tBDB2k0wO9MPC0rMRjgVW3kz4ek1oYQQ-1739127739-1.0.1.1-fjw0vVPtSxNdK7umxPaOomYul3F.s5hyKlWOZLsuvIE",md: "vXtdcVzqHr7NwNOO6duK0TC.VKJX8uAqJDlsoJowY3k-1739127739-1.2.1.1-DpIAQUx9Lrh0tT078IM9OBHZ0xQGYdu47yRW_DIrCk.FHi_thkVy7lP3W0EMlUV.hINBM_qtcSmKEeJdmO5IepTwiEa4VfRTGLq3Fnekic2KYwLOXdU0cwXHnq.aquMp69X2y.lyrfT4LoXXucLjq95WoWW7SF3PiXsrluC6RPaQEAqBwNcicvp147t6ROp.jPsg8tmWaEqK.kTdVAQloliYdrP5zOPOL9z7bVNghek7cPYNyaYGdsMO99DyEg6weauTJXmTCf1Ak_68U2ZLEFGKhZAODp2zUuwjOy9mhN0YknwMGI4NQcsSbPQ9BsQi0wo7FXnxD1FP6vshR5HD_qfqqIufx3lkPxXzxU4MQnnne2Idg4Lyuj8OnoH4hh6BRaqzs8n.HE4seotDEvMuoOiymsNxhJ2WkGicpgXq50IBxPW31P33XNLxSgzDUGyvou8upjBcdu16E9G7E.ZTQCQRopVQusCPmwZK8hVMM1NeHW9.7bYXfYoT5WRffmp9dAKL45djKbRV4ZyMTRLEBiRLokkQ75JgITgbhj8zJLtDZ_Fo9TemNlvhmmdp58b.lNweLsNyBvXLwCT9xv1_P2epWHzbvxc.wjlG4KV_WYbTCadJK6KJlZsGCUrcM7a9OAv5ZrlZ8HF83EQDz2IusqjvRU.GoW_t2QUi_613lgn4VeQoB4n2MnaXltOM5WJbe4QM_lyGmED02CDt5dqgyq5oyV0k8qC6dUPYeMjhjGCa18.VSP2WtJAd99IRzazjLJQHkwu2of7rq7.TKZg4Whocem5HedUeM.yI8sTDyeWcxo9KyEwhj__OXbbu0Ok4vw4dMK5MG2wi48CXJR9dvs3sNcmwywFScedzdrRopkdcnriOTUK9xlLtwGAWfJAUhAt2ZLxRCIzFSsIEe9J41rfZHf65CETEaE7xO6UOD8fxuOqtixOCLKQwpUarxNNJA2KTDmfQVdSTRu7G7zKvdaSOtmEWtpnrkOnXquZEObV8YFuox7rhTQz7v6aydFY19ZernpLiHrm1XwVZMycK0eF9.2OXyYzWFdVLGlFHdt2z2rU.4qDVQdm3birBLzZBi0tKl928UF_RG91iUzAiTsIS_Yqvije0ogYhMnTSsX4pvqHoSanFSrUvY9S6Sv3zD2nFl4eVmDBp4caC_mT84b1x5h45UW.Ac6g1nWltvid_eR9T1AgZRhj8X9eS.JtWL2nKdI3P8QITxkZGYMzs8BeUnzxcObBt94hyTFKE5VB_Qj0n3WewjgU20Oiw2AdjVtvOVh3iRZWoPP4pWsjAXNmdVdJR8K_Yh_ffkUAimDUbcozAU.0BlT2JGaILer_Pm8aI4Re7R0jfdtxWiua0do.gus0ouqeoWFHy2t5OLu1ZD5Myu9Qn5QP3qPIPjT2r2klpuSWGcoVnecX15tbKxzQEUWOZ_YNXEYOZLIAPlNFaWoTi81Tn6fTH_f1lqrhFOUh6aIow8TnwB7g66iuS.rcBdF6XECAaNhHkofBlnUIOMdMaCx.Dwu0nXbMhBJZe0mzKiub1LBtid415XKt8wSg1Lf1XH6jpXMx2_JXZ..TQiweZoSpQTFANAdBZ8fO_xV_6qD10RJXK09fPIuMBzLBz5Tp8l.pJZOkihijJdSLKkEv3LsEGkoJoAofhx6npgY5uEwNcoIF_jLQZcN3kAgcUrR.SpjXAcTi82G_xFWDj3aItSKaXE3mZOkfmxd0JixIz0osd4qcdWMKjTrmhP81PRPeEzl2E8LWeeFdZvBKulnCy8R0vY57EFSQhvh0V2kdPhB0emRLYrtz3xJgZqB2ApLRMACX9U0WeuNu_lyUWi5bo1TgsxfyjkXUIKp3b2WQUqAlBHIXp78ntRtic.tNjfAjYfTWAwtwev.vw0r5PZj1ZxeL9_KH4L_aG7ZI0vSNh0L.m6b5M3GEdIM6Ygryp03LqykMs4lASy4DYwS96SwTnjtVUzhp8eQwh_RsuHT2yLF3Wk_c3ZF23APtf_eLA2OlOcSldpcY7pu_sRu49R.w_Qo66hO7rMYmYGbvf1jrNfFC6YPR9fVeRNzQ9d0RQqg0nmlD7FMLLeZBYAsb7UZV5i7HZyYQn6MfKaHfGmAoEhd12Op13HakOtsFqab_gRixmge6g2CmnPpN4wVnMGn4BP.1DEnu8uReQQCfQl3yRKiAH.kIHDkTMBaoaJlZRFfQnAaf0IvuzlaSTSwhDZc69OWDCP4ALd.A_E7Sv",mdrd: "p4AbOHc6kMPJoncqOWAVSIeOxcX_EyR5lFI0wsRogOE-1739127739-1.2.1.1-XnWDeYCOv96oUB_CWzm0UFq5yyriohwxAJXm5yU_O2Y49kstTKFwh58NseKzqIuxMI9k_y4Gk3DN7H7VzUxEVMNA53ThbCSA5AFFA8PKCaptUQziK2CwGTNVd_l_wl7AoK2JICfc_APxSI6g5igysWHnx928vqG1D_xxKfKvCmC8mZe8DlV7MHC4gU_tkagb.XXwsO.e0wSw565WqydZa4AE.ANaWBvSJ2A4gSMUbnUED3XfKCSQzkuJLl7VUqZO8Nf2CP_QqjFS4OvZ_VjmrnOJVOw8BsriaAxat7yWfdP5gxNpgF429phW.9aAe9_vGQn8oUJwCn5Dtg7dgAhuxBSgtvIwjVE0Srfe2RNCl0M9TLib93lHyMHi0UluthXXHq.zu0l8gjExlTvwOHOtxFRK6WROwxvA0t7AasdSEprjW.7D3zIOECwqqQI5rw3VyrAI2xGmu7KCfJriDE5sJSExK7vuNFU1cgB6gNmSRFEItVfutasRwSLOwqixVt4Y736kVVF.rwtK_WN6dmTNCQawba6IZ8jszuik3KJxP2xorwBwpCyg4oR6jJ1IFzAAFaFASmbvcUwE5kBX1Vg91VGuLk4F2KO3YFHSlawDj_W08ExR6kY70xzU5u8r6JkDDlc.c4C64oT3Oj7ZrSYN6sR_pR6tyaS2tcjiJfDqwaR31Dsi7Q_dc0G6Aw_ANAgDhLq7KMwC1ACs63Q1SfcXCW4ibCywLe5ziNs0jFsyz.bwri1OujxyMGHAPELA1Fjvnk1wX_XWbHGx8iR646.ayntkubkQ_5Iwjq6kCrMJ5IQwViItqtMqD2MWok1EsQs9vuiGisLUbMxJIkKTnyEWLGVUpFYjpco_b0dJrgUbSugiHvnzmhTdBPLaAwslm5LJNv748wk.vkB0vlCRuB6cjib.20jjgyQXMlpR1kuamlQ8dD7BNH8zPJ.y1hS16T8wKapXuLTX2Jgwjcxp4DGSxI40kteYvQKPwSWpKHLlwg9BcClvVgTMPoav8yR74SkZ1pXBgOR_569wY6vkGnJ12t3TPYFy2_UiKpIsVKubFzQkyzCHyKjrnVYRGFw7iE6.rSwyXpM3VtTlJi5w1izOFgLhgFZNfyQeTgkDu1JgW2s7waJdtwtdvW2djXEInx9RBTHp7SSlrxSPQXVGpuF_OvMBft883_VKAPgW_1GzDGJM.ka4agaEWCDzsn97TOoto8mmEaGOfRl9JmK0tbkbuZa.7r8pyQdoxquKVR3oCzk1OdWoRLdYZK._qe9Nxiyv0JMD2cMOXmimB99mwTPKSoZ.IoWvNDBFUjUhy9.cMeETXQWq7oejRPwAxfEI_SDbKa_nFpmPo0rC2NiEprMOHk45OK2T9nJnhUj2u7iw2130PjPCtwoq2ZADpYAhUm1Qe4Li4lHSZBBIqt.fvhIhhfv_59w8gTW5DkfhjNu0FBB63vbmJPZBogLb.mMi_zIADtoPq4.rs.h8j0JpQ4bctCmKZQXqzl_JWU1Ep2hd83x4y.OoySAyUEpLz4I2FJBOeS.NbWVW4qkmxg_CH8lcDO6VgqwbMk8JyDA_4tfbKCZ0hu2CKQyiZaIKUqmxPEiRtvwZWkut1wc04nGVgQ.6bYe6LeRf4UEbsllcX7q0ngcM8K1udJ7WzK1osFgR9oqKo2hx4N5hPEWzQqx3fZrRHpX58Wnz8fca5MhIl5z357uwbPmP75NBImrsgbXx_faEgyW72hNOG8oDyQYIu9mzZfcfY8Sid.C1p1OlLO_4l.TTrWGQQly896ocWi1yr.L5wNXMIg21.cq7ZP4.8.D39C20bdTObdj_DvWTgV53B1s"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f61cf16e8b077c';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\/6513297840?__cf_chl_rt_tk=iarOihCSwZ.tBDB2k0wO9MPC0rMRjgVW3kz4ek1oYQQ-1739127739-1.0.1.1-fjw0vVPtSxNdK7umxPaOomYul3F.s5hyKlWOZLsuvIE" + 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