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-5609718243.mit-edu.top/post/5609718243

  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-5609718243.mit-edu.top",cType: 'managed',cRay: '910dabfa3c263b36',cH: '42jKj11NzbXpLOhPPq8ojmm13aFHlFuU.UPY_hUy4Yg-1739374770-1.2.1.1-3UygzxFCXGb85sWCTfDbX5PSpT3qIMMTxEaaRKboySMn5UYDm2vNxRB8DODcUPtN',cUPMDTk: "\/post\/5609718243?__cf_chl_tk=ofXR9SEGYgf78SeaKNskHgMXQqqobg8Z4YqTa4emYuE-1739374770-1.0.1.1-H297F8SnlgzxXHk7KfOtoG_M572avqiQuJDIK6ggkns",cFPWv: 'g',cITimeS: '1739374770',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/5609718243?__cf_chl_f_tk=ofXR9SEGYgf78SeaKNskHgMXQqqobg8Z4YqTa4emYuE-1739374770-1.0.1.1-H297F8SnlgzxXHk7KfOtoG_M572avqiQuJDIK6ggkns",md: "YIuFdVNVixba1WvfgzICmUkpq6TlZTF4F1hwL1ow2lU-1739374770-1.2.1.1-_OebQ7JWBNQXaQPSeSqiuTx9bUDPMlgxxBjU5xuZ8zAQubANUg1qFH9pYcrTjYiOPOlahSM0AbDheEODlibhoTtmu3UTAiMO3xk9WUAAxjdTHfKv45FpfTRcsTKvNFHqTuR3Rcqo.0bO8IUintovXAjXRM75LTsRyn94KbfRrlRg.Vf3yCdOuumj1v5bYaoJ_fpvGddrLIaZvKGpg5AlTzGHusn0KqIhOhvnE7JJv3T0ixkJQ9FDki875kN_7.QVsSmQOVBxv9r.mwRoxIIw2gJcKFjSmGDohUMoR_rsRX0v.NxfU5ItajJOnoW7XKvRdI6qFUbYBeMv9Aq3pljIwP7LbWe54x.7kDT1a_uRBhDAOiHF1JO3PwYReHm9OTJxFxJynTNnQa0Fjk.eOJ3a2UWf8I11rMLBuKY2GNUP5wGI1dF03XLGCmqsGbCbco6_q.sUhkP6bOsocOTD4MX9Hv6VeSoVIASEGVF0D1lm2KU6mafgmPA.ParLRyYYx4g1ivhZOjqgbT6GUqYLyDFxQz0sk5va_pupn8w2dULBLJ1X.m5YU66NDydS7w7udETmZVx20AosGe4FaUJLeWkBxulcTUeQX9rHpZN8EQKOB1yU1b6.TQoGhQ86auCAdnvir35cSiJAvsb9cFYYBXmnGsuDT1Jxj8XhsTR7ocAvCETgDikcdffRs3v.UwsZ4CcdT1ry1v4wZ16bDsqRC.bZc2lM6zsnBPUWwsw3yK8AQn4bTgsKPR4w86FdHqTf03UvP5irP.RpfxC1BRoh9_myQEihRhWBtqEuvB_PY5e6gNEZNJ0vx2U3OLxBKE0y3cOJJAfJ.bYcJUoiGoRWHpAoxWvYQRmfMpr0_vLcWOckJg308jK87jb7b5GPrXLgYjFfwjbl.rBCT.wi6I_PQNMttRBOtb6swH2J09TUsP9LelThv6Vmq12RbsuvNLOb89oSTwdlt2G33AcRmCgpSbItuXvQUvJwbQvfGhjUelnYtFpqYneR3lCvSLAVlzql7HSf.57lkdVEexZeGLIs.ekcTbt0slDeddFrvLdYU4yIJmpOrq1frYTm1p6JFwstRktgdp0gyC7kQDYTEJf9Ts14OVA8T12o5D.bG3NNDb8xIvt1lL3716RH7i1eG0Sl3yHvTdQ6BHZNC7lUrmCppBLd8sdCd.p6IbDIh_f.hYdihdr6Q2TFtP31MpVYlDH0B7vVIK.SztxTDPGBlwuyNGU.nH9RSF8_U0pVoUj_DEV_QIRrAsHX_VCR864OukgVtTpIlPhX788sDXSZZLdLbUE_JYkcLBl7SkddxnjpPa.i_Ldd5Rzf5pTq8bTTaK8MDmsX9co4NwY618w_Y9KMDSmNw9YiIWaW98OGKOzRvgNf.Vtf3BdE7SUH4hvMsJHM1LRenMDB.aPbb3NR4Ot69998zEJHNFIzezA9xySO8vCc5839r5tFW_YvRs1b7U5tuV0T0YADkYHFKFBx8FRsViVevN0qeya_DV9VK5fIsHe.dtp1P6J9JYEh1CLfUgfxmcweWSigSxkY06UZIdEre1VfaHYZqwkDyGRtZaDJ2rRTIhkxhAnkVq5hPyHETM4NRTPSIo9rIYagySiDB3mMIzHdhnR9RNQuQ1hML01YK6sQkz3Iao2.3gQDLd3_p0T4HYu.wiRz8U_5frx2EkobQl0I4OHQqiMfWs0gmoc76seyND9d..D4TOOQzV5RaOCTog7eYEsR2IetGjzuf0KdrS49qcxLvaZp0m6iFxwBoaJut4AKSjHy0pQqF_yjbZT_Xf3ihyf3OLVu0g8OmD_sfL2Q8YTzUIHR558tHAoWX6uAJj9Xcid8jI7YmNE2Z.IRsct_vWEmJ91c5erFt7VH2w9oxDo3sidzhHMEQk5kn0KPgc4zeKGknObs0wONdup_k6dxzbs3vAW9Dy5.oHfsdiMeH5gz3bQ6IKTZOHV530bfcu8KTA7NWKUqCGquTPk2KygOgDXF160c_zW7Wol88CLcKUXQOjebeyhbBP5jmp3UVkbh2GbUpYbFbe.EEJB.tZUq73igrd3tkaq0ajRiKaNkOWqfnCfEQa43Mv2NX8QFPFNrdNn3ucSkgzwSnl6nr5Sr6mLVapG3GGuzSy5RVtd83cUAzprPVRYRVUMkJpg4nogFZeMjlszZiONQ4GrECZMMtGkx8eZU0T8n5sb30r3T9Q3wenWjM11aemow3Vo4r49PDimlwJIL4H2LqHQTzU3J",mdrd: "ZMXrg1eMkjPYnKIJ03hJfVcAVTrmFfncr_jhqX58ehw-1739374770-1.2.1.1-z8pER6cv0Vvv_uur_RcbRytPYfXFbHZ4AfJxmt19GQKv6ZJOtqzExYxUFP5y5T7Fob70ifMhp27Nwtj8UTS2yeU6mdZ74qriXP1.CWBTctapOKvTaR7_4KYEvOJndx8qH3AA.9Xhsfgni6YMt5KSb1SveHD5dnFwLIuubH7dva28Th3axPE6ywCB8hiqgYQm4x3qE.oFLMnfp2614qC23FzHWVOqPkO3sqvZqx6XUohP4xfu9il5omB5axarxzDmOe3BuWvFbrw7GKH.tUHn.zKztvI6ufEVQfyIKue7JgEkuR80lHf_apSfRmy2_HVgKuQBrQi2yEH3UgMUU2u__f8tJeSX0imcOHm.Q62gt5AGEDJTL7FLFUx5BKxw17f6jmRMjVuX7rvGE_UfUcbX.bjPVj9E3.W_CHiW6S1LBj1KRaHAYtqCAnx74QATLRW7Qq9XDiOP7QThqGPzjn6c1waUnwqgMem85nWmHNvWwLe929H1NxlZjDkglVx.V2YH4cJYmTFVwXSSaYcYnyQ0CNbYNChRSx.qsisDx2RaPoReQYmrcbk8H9pE5KqJIuZggZqSCSFU1AnWtKFLBoIYydctoZA2326tQ._M4GwoAaYSe0ccK3R2axjlVtC0KhtX43AWebUsjJNVCuTxzFiX3W7zPqop69jKp0cv04Bylgjy..smcc7Fqn0FgaZyvwJwUmQS.Xa.MtsE9GwkYhN2_1BxD4faQsIhYkRdQKZHdXqiD0r67H45lk2fa3aTQLPcFuc.RHm2KlT64RiprQVT0xO2G7exvzrTOVCNS5F.tG8why1ZGrQAU1Cxegd1KWPBbVLKH44uGzakeFJgTqcf26H8kxZ27cPcn9tg00jNhWJ4C8m5hejbwzvDXfvCDVm0jxgC.TDeNn3g36IwKa_qMagbvqnVto4NZUrHvlJR4TuIE27QcUQrpGuAJgKoQFrwPdHRjQApSH3INaGRrS2i_aeaLti8eRUAhiqaP7EIz4xb89QPb3gPNHZbnxn7TWdfdxaOIAycohd_eKnoPAbOjq2.UEXo5zJkVJckzUc.8mPE5A8E3cvEXGJQeu_7BKoOeFz6ZmccRCfavFhAdhwDZ_KC6z7z7sG1SsL9S7Bd1rwtDJDaiVZLkWUMie5yH_mlNVzk2LIsNZqywzwQKS.EOnBH77Q6z4DEs1R7bTMczAyFqjwFAMl9QMzS7HpcSQr7HcD2QLEMcuyY5qzNX6oaHCSJDSaOb1o7cJsRSSZsTGkRQB1eNFscl_t290j5xLrtocV2P3fZimelWBhFC2vdyI7UcndZslJ4O73P8iZH7KvAIT1pSwGjpXYv9xZVKHqN4Jx6H22_pnfxAH3GxgCJaCa1GBoVxONn4shJiTpwQb4.dcJ2LIuqtpp4a9HVGvqT1i2ZlivbDPpu_69dy.5ZQluLnzhZxBjA96VIli6itRaCG5DVrXmA6zbjfPd.qvMcKuzTOreNNnHo4YXACBdbr1Wux8w.FVt.0prIJXZXNwpr2E2kS4AngiVSgWV9Q8wKP4wzCEo0NsM2HutBSYtOGiO.3C.xu0_tMqtSVZwgcN.7.w0T7InGuH8jv8.NnAxgPvb4nKLgY26Yxdw_mvDhWJkfDn2Awgj7_GixNxWwuklT9hEepMefBtepz1fELA0EaAVekUPJmDvBfloiQuoVEYqFYjPAJEEFQRfMY3NUpvFIxUkkKj4KiU.xUmrntc3E0qM_7atFA8WC3TQ3rpkUSs01Zyo5Up310KT5fPUjjo4MSGCmx4coHu_GJXsiuX2ISp42qCLSOXfLWsoepievoYskf0yDgyjVPUEjbWJhGzM"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=910dabfa3c263b36';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\/5609718243?__cf_chl_rt_tk=ofXR9SEGYgf78SeaKNskHgMXQqqobg8Z4YqTa4emYuE-1739374770-1.0.1.1-H297F8SnlgzxXHk7KfOtoG_M572avqiQuJDIK6ggkns" + 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