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-725612978104.mit-edu.top/post/1694580723

  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="360"></head><body><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-725612978104.mit-edu.top",cType: 'managed',cRay: '94b8b90208d9d644',cH: '7X54VB3wT0k9bYDr_k0008LpiHCSFxAaEsfk1Luf67M-1749221432-1.2.1.1-V8D2_OcvoOWtE9wXtpGQ3I2z4V5wVC9Sa.TcKwaqkHMM_Nddg4F.f4svkwj4Xi2n',cUPMDTk: "\/post\/1694580723?__cf_chl_tk=T_bjOU3FSHDLwYMwGYgmUShDQH.beCH7nCz.c3SNXRU-1749221432-1.0.1.1-XGkAyLe8ARr49TBH68_Uf8cY_YPJs4WeUdQsQAmWgYo",cFPWv: 'g',cITimeS: '1749221432',cTplC: 0,cTplV: 5,cTplB: 'cf',fa: "\/post\/1694580723?__cf_chl_f_tk=T_bjOU3FSHDLwYMwGYgmUShDQH.beCH7nCz.c3SNXRU-1749221432-1.0.1.1-XGkAyLe8ARr49TBH68_Uf8cY_YPJs4WeUdQsQAmWgYo",md: "t4H2ZQIUSO76HcJKGjgMZuNcfQkNVm7hWTAr40W1vlk-1749221432-1.2.1.1-JBBkRpDYCJsC5z5jzniWO7Q5jE8Erb3RVlyabtqK5iSnRSQX3iZiVAy.VO9l04yizZ78EBnpqdYW0J7KekxfYaS_W0wjjxkr8nJTdU5CrYNhkuKyB58AvDVYyQ2JW5Ql.Hz8rKmqLOAFfBa8rCHLqKtB1QkJHm4bTe3jhfzf5qT1EtvnKv0IsB2vFb9jS5ZnzkaEgKORPo5FW34tlYxrFuhEBC1_UxoL9W9lbJX5762CjU7A_QOgzuU7ZPMef2OpnplAwUIhAGu9JlPxflln9jyUaWX6UJsLRjXIdrBwI0_EtAvE1jDiBFnKcCvaN.g7sO5q272Sg2_LNRzz7VU3hoN3dD5V7elZ4jATfS4_KPin1Q.ODZ0CLyTFwhXch2nk.VoevuqEKSX2KHb65VLMba16AKQagMO9cxycx_.vHXxq.B8jUAHbG5omTji2HFZUBOxPXe.xEBRRcwyjlKSTuYJvTp_QSxUVWnrRLG7KD9e9pfXBvzNV98DLFigQ95C.NyVKi5MPzAVMKqTZbnesCbiy2bUeYJIyom_LK5cPCEtgnHj_GprCq8DTGRlFa.0osWwcQ6n1i.6XAEhREo_ZOamdF48l4BcvcQ5ByjVylMTQDSIjKH6Ed342d28vQbrNll7odnEuFj.azlz1Q5Cp.LfhL59GE4Iv9wzBhqKFmjrMGNkl3feR27dWY2gp9UOKVAlJB5hIIY3umbX4R2bsVR5Y0VqLOX2hAXmYo4J.oHztZqQXBAoTx2LO67raaOIHxKM.2698Y3TGiyD5VfAjWuN_mFcQEVuSrTgzFKnGRCUIk4n32zvi6HOH9H56HBkk9Ed9IcXxuLLqW4t02dR6ng",mdrd: "_wEOFAMfgPs4vDKedL683FqYIWAi2R21V9hQ7VZRQ6I-1749221432-1.2.1.1-Ih9UX1RRA1.eDu_032ganym647C2odgHB9Z3xMg3EePzMBuKCbcVMOiWtqodqQNk6i_vyGHQaxkGE.JLEswRmgIU0taHY_tzEG8X9AZFzQw3r5ErLuy7mrgbed2mjJdwipFQijoUGxyD_IlMru4SoyAzB44JS7HWMw6H9_GGJSYLuvjVddl8YIz_sPmFCpXGXhLF9UKmrFqp7_NFkbtW1Oo53uduvCuvUXETu4K7h15ZXg4QX9Q.FfxByyy4OSaLlOmroDVblySBQG0MteaXBjVm5rFLCg6oRoPJ5CgSEKyPSNBnsZf0AU77uNF8T_P01P64reazz8_jzysRxv.fJNX9y40NmLHlHGxuOZApEoetqLKCHOA.zACWFAZNnAn0o7glqdhm2HzkMxieaISnuo44Pr2VQepk2YK0mQLfr1N_S7hXlEBhc4A1pm0SvPQ_6OCS6rBfPBFWDno.EJ_0C_rE7zGgOqRlQFnxIV6PpDAtwcY_LoHMioWrPeyyXYT7Z1GpAD.yIae4YFCi4k0icNLmR2ZH6f75uoaPxgyx.D9lSy9eQ7f8AfgkttKmo9_FnbnhzXlbR63yacJKSxmktc5yXDH4NyIMBrMjHrxmKA7r6eGK7.Nc_TLjX2rlvtvIPeWPiNRMJmkFH2LvmEqRieA58ADvsCjTj0GVWM_FNMluZvIMBBQNDd6Ei_pDOkqPL0I4PEL34pn3vqpEhjdIIhT_dLjC41AhAQ4wL8YJU0yp_khoFnXKg2HhjaQGcvpaz6y10ZTa.I73yXqieX82Tg.rILG6B1oVOKYd0qoNBDQYsqKREQoaiYozyaRZb_YEIMGaY0vdCAHJsSJ30Er.gXUGLOqp0wmsgDLPxRF3fE41XMCyaDCEMeWHonXCQXaDZomR2eSJO0qAhxu.yM5cGtX0loAS3mi5ev_7fPPlLztjV6ALyKzZgY7o9_ycMwpPUE9.WdsQSqeyIdqMmPh6vqqL_VfkoDbRNq840rOkjF9zrvtwfM4P4tiwG.0qfQO7v9LsIv1JmCC4ILEWy0YLRUwt8s8T2g33SV2PX0K2P56arcfmMNu6yS2Mmz1l7usQkb5qAAKYiP.ZYfNN3dfFhgBuTk0DXBUe7uKS57uoIP4c4OwsibBT40qVwYLAf0zjDeDilGXB3OBvzF9MdBFgiAA6BzFiHIqNCmUi8OEHERAXZ8.nUhGVYeHUrw8SrPvJapaUeex3E6lr7azWsoR_yevGihjdC8rmfuy9J2wk2KrFxWQ7XnGprwxztf8GxPOKVXhFQps3w4VSq0YPjbixaGBIvR6Je4XmVGPxuFued6JCkoM0QFdzMC20CRdEzu4ijgUtSTMNKpznsk6T8f2aQpFmL98M4coCH4DXn6rIXC45q38pyeDgdNq0U0g_SNMhVsVjcSV2sR_ByR61Nh4Z2fhag.Zo8ngVj6yLNAiaew9DvYC2a9C0Lj6cI9d4Z8UGiZqfpSLrurdtl5zRWA6VG1JJ3_8YdSOSh1JursyjpMX4.pCsBytQ8mN0okbSi08hGuC8BcgLIfSG2sBwXs.K4cyZ.O3Xt1mNGzfJiy.sZ.TOE372lkDirpA.sBRHQoS2ZEiJYSd4JB8DZ.lIzaQUSw5a92rCtmpzFg6O..GUyfWDp5P.6Yml4E0zK0DuVJwwC_JGYz.Yjg2nr3al2BT.lrrwV2Pi1y7yX0hf_SrtDT_UQa9OHC1.GLfsQeLWOPvOaJvzCclMst.5jPc3R5XJwbmsaMK0RBqRU8gLAi2wuuajA_Y0STzJqbWYbjA9xk4k6xaYSUPhSbs9OEq6E.46CdeDQIGQSdBQRy_qIpUG7F9BVllS44GVXg3tynEL9ILGiWtwrIEvNjJKiKNKouHb4ykk8gMk3Zub3e9lsaPqCeA"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=94b8b90208d9d644';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\/1694580723?__cf_chl_rt_tk=T_bjOU3FSHDLwYMwGYgmUShDQH.beCH7nCz.c3SNXRU-1749221432-1.0.1.1-XGkAyLe8ARr49TBH68_Uf8cY_YPJs4WeUdQsQAmWgYo" + 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