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-affvkwpyw.mit-edu.top/post/2106385497

  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-affvkwpyw.mit-edu.top",cType: 'managed',cRay: '90f4325acc52c93c',cH: 'DYgHQI1ctcrHCjxDy199uTvaDr1g.l5_8Q8LYDOO6OM-1739107644-1.2.1.1-b5jBwER3ittnw9rDFrYZWyS6PQYW_K4PQqN14tgv12LNsqCtQV4S0k67zcYfwY5q',cUPMDTk: "\/post\/2106385497?__cf_chl_tk=vHjvelqSuk.burP2eQpZqS1Vjqr5xBy5A.5lH2na9lo-1739107644-1.0.1.1-jDG5KQS4xAEix3.uYZ6HuSd1ePYuTmZXDEIJCNTV5Hk",cFPWv: 'g',cITimeS: '1739107644',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/2106385497?__cf_chl_f_tk=vHjvelqSuk.burP2eQpZqS1Vjqr5xBy5A.5lH2na9lo-1739107644-1.0.1.1-jDG5KQS4xAEix3.uYZ6HuSd1ePYuTmZXDEIJCNTV5Hk",md: "o3GIIrJIoFennNk_mHuFfIqwJh2Ks.Jc99hgglehsBA-1739107644-1.2.1.1-h3TsXbSkW0j7rYNFprVTWXAdGUNl7la.H5r74qRhsHMXSYRd_MMmVnuzHEQbI._JJ3EwIW7B6fWU7ikNq85oJLRcKY9Pr88sDfKB29X3UXNwI3g8S0VGakAEEfIrWpMJ1Ir.E.v8KTmQDk84MKcAWgs0c0oI4V3s7DMvUqXKE.fX9yUudwcrBlPWZ9a0xrG1oedwPhgwqOFEzdfdXLOXdiiGEJYitDhRmo_RXmXzVBd7iu_DxwFNDAVFg.gSVE5teoTJVjle4CfKH9ukq4gfZih76JAw6Z3Hrg561kDa7emp90AVBXMsG0HcAtPJeNEC9YlvOcmfY4rrsC4cJLtmoB4f.dADiBRQugDJSzEBEjGTs0MHLHoPJ7PN_9BQ8w6J.4ugNZnBuqcBIdOtYlMZumFnbtw9G3ElGPXWfiy.c91XLCbzZoTtSqSB1WjJ3447KRqOG44z6PEslxN3jiWvkjquAJhDP3dQInTvUn3PH_s.Mt4plMCuGr1RICQLNR7aN8Zp5Bftt0j_TyWuFgkq9YGhB1.LH4b5eNrzHeFTP0dj0ogtyzkuJsKCy0Mnj6LTvDrgY_Sb9ym4geTnYDmZv2dPQZ8g_lopOl.PPWHl9tEdyL40GJXsKWsVjWtXC_XR0lhszMlb0nn9jGtXn1M.HQ47SqI9FXPetDFi1U6.iwSSUEs1qunWXYzdsXgfXzX6ypaP87SdS9OAeia2yGILIp1mqGLePY17QPnN205qRjZir_BaE6Qo26_2sh4pe15pw5Mivs58G.TpbF33cd9hC1LtwnEUPhH.XPwXnEJ4jwx42Av6fNp5VlXreZ8LlQszHmn1ax4TSyEpVy1qCOgMQydUaYz7bWIsa8M8Fs.bv3lyfVxYKiH7Xx7J6jsgnI6BL0ANd6.A6ybu9TVO.GvUOQ.jTGOE1NVDrOFUKYpD4uTTVy_rPXnioiTOq8J7as2AjFc3prKZPdOIegTIp0GtiHMCPYOX3XiH3JxJztePg0ZK4l5lKEhWPaH03BHcBzrQqWdfNz4NTqKSA.HN4yAy1qdRzD5hdXCN4OfFkESm3O1aBtpeuNX_TWbI.9JGIj2bJHoyX0nNKvcAaLOom5pO.Nx42DFeMi_DtdUGvcjjhxpvT.x92I4dYb.o0Jpec3jI145Xf1aFljjR6i7tX1LUlH.jjEgvjiM4utY58A_cUjqdVf8Da3O22_ivwX4RUdZx3vwzwnapnExVrFrsZH97ZVqsnuTp47t1sFmFap5GidvqJOikCL57YiB10GTdG9RnTb17o19k.6C6RvebyUNTZrjB0_.sEUmcW5RX7P4iPLyXK2Ql0iq7YMapqus5ijFb.LybdyXfipyb40RWnemXd3AG9QmQgP3wZ3mHxsvWCXhWVsUWLvdeQO3GzKj3Tg4n8mw4yw0WuH04TTn_LDLSeTGSqVPC_.Vwh97ylLtm3OGFtgMDqiVTOSjmROCpnjaD2.5MtGMrjkRqo2fwgQFL_sOvznJUqpuoxIWhocWUFi2tiXAY1Un2Y0cTS5ZgNoQnwnU.SF2DXEMcblpE9.duleyfMYrupjZ9H4eSFJIVHRRncP8G.BOboGF3WCeRDB8SCJeTO69KR_V4KkOd5P97HlwhtrDZ2QKe85Vxg_VuFmmDO8ovj43mibwzU9TuH9iKDAThU4WK6_rF411.5C8zCDvFSL8AKkdAbVDeQfi6b6k7x0emlPWh8SPVFuEeRJtgOjCmc4TCXQoq7yQb65dTn.7mt1maJHEbWU7rFzqSBnDOuHwHR6BsDdUOt.Ded3wxxTkyOLwk6j2XNb8RxoI4KlbO5RwG0POTHkP_S96AAh7o8yVkCHsliE2EXo7wJPvjHj2M5HjYj.65ZqnxMMFIIypIAg69z9Q06UER1X3FqcOQhcotjWQ9ZI9Xvf8cm03kJJnLWLQAZkmE8jgJ3AexZt_n7tUAxKyo4CafUemQ9bRoxlKRlB8a0gR9caMofAk1OVIvjl55BVqfyq0dD9migrk.Ig6foxHUOH9.nBUe.CC5InmcvWaGuwXrrVRTM4BmUJB53s1MxGaotN1aAooE_LFF79EexSLjnpjnADy_Drkz442Hmaai_ZLSs9oPocVxBOBEJ1m56GLAvsJbe1bhjCmr4s5.vQoioCwSTJV22ci37r4Vv46x9i3YY4Jr8.1jk7Mg070yXUCxR2DmY0Hamk_deMQd1e09i47Dk0ke8OPASC8ApwkbFaNPt3fE7WwT",mdrd: "JuN_QUuvwQqgG0ID6_by_Hk2S07aWIN8aFZLdQ0lZno-1739107644-1.2.1.1-vITiGrYNSfUDtzoq90TPkC1lWpuGiQVQ66mSc721nRN8wiAE1Nik.PIG044.I5yQ0cLgCOmAiXxDzdq3nT6FvMTM4iEVmP6AGNX.qQL9yfVDft0vAHWDZSJjB9_PjmeOPytek9kW7SiFLd7i12dTTU0kAAEf6OpcNrrOdi_QYvKbBHjRASB7ajZk0gRSVp7QAq5hzICXLcs4Igp5J2f72fwXTiWzrWUEC6vrA7G4c6VDhTk60iWRbIEls3ckc8loKtHooRBjl9zSKPLbvWzKuxP7FlCkQoeWZpro0pbteBHVcL2gF10GNXN98NXU.XbSOXpEXiAQIgGAGKyy68CZC9VUo3GPMqFza2LXTDPaeOXPgJG1xZPutYRw33GpNVLskSs7ROKXURRZEiboW.W43az77beH0VZi4Dgcue55fyTcx1q_PWkJkxkkOrRml2vaRu9TEupu2K6x._2Kcqc_1FhedcUMgK18GFQGaTO49IRyjmicbzF2vxYEWjpMqSJY3UCl3KSvYRwcxrG5aUcPELlsla0fZt50sfNxL_EBNgKVeWOMQjWuz7bKiV0VDCRjLN40ikFQ8SYkrCujosoWbIZ1DDnkXk_6uKnFkr4uFIiwTrnZSiVMzZ6RaY6GRuJAOjWDu38hEhENwY.ZXXrNoOJTBF.Ig0IMX7Q.Ak11fXcozahZ5A.uR6stdZSq7ug9rsJfKlkbKcs1QducHRY3prVzreqI8c.BiZdPXij_XZBz7epDuYgSywEyZC32pxw3ulm.R6BTxPkBNEcJNDENl2fYLz1nUlpAtxKI4QiWxp3jScOsY2l3S59ZRXzk_wpzcf9HWkrE2YeDx4gsZAKo1pCZmnWr9Q9Fxkbq2I4.rHmxfSns8AZFwOUBKdIAVyMFUUqcXnkVM0IXM54knyUwyBhOV5Jfgy6niDXdJUnAEF5jgAMWDbe5jlDB.FOmi6nzsSDj1knD_9ckQ552DxA5NSNzVXdquLZKjfdk9.SB_pqLQivhFmunyQtT7eEvGaR5aJ6TNCoJYpE9ndkgfnI.MG1FlrWWWXrxOsdNF2woanr4BSFPn3eVMilYAVRAyMV.C_opAtanOBUFHzzJoex0qrcP2q_O8tRAnDQq4YTCsY7AWN0hiiDEUAYt.s_N0CXizfnoPLeanv8UprkRsNo7Ml1g7XwKLrHl8VU2ql3C9GDwevOhVNbQYaUN_MmqauD2YcNAsIZUWkUFsgDeJu87UshZZJurRxlpKc5yPTtL4dwKEOSB.8UrxS.oXXnQ3kfXMTRwsGSfljmNJsZ1VBqSIvGdlWb5YnedEK94WM9bWx3mIetjf1J9E8HptSJ0Upur9BmwwoPTCY7VqQa.2QXk_xrIzhoulXWZRTzHtn8QCu65XxF6GOdzTabu9Gr2SdS9qQQp_RRhUaYe8fRia_e342mS4xdECLQVTzvqdT6xhTjyfo0ExVI06O0llDFy43Q3.DBtKZqZbWozP3JreJoOHmGXHLpLLawg9h1HDn8g428KAVVVXSb_eJWguc4qemLk6P2fcC_rQNkq4KFhBqL5.rKYpui7frNNU_S3307Sam7k2yE4JCl74nmpw.5M9Emi1fJnAS.6jIbAx86YGqwyD2U9fUriBKhemtXWhrexCgqAbvLH1bus3Xn.kUvzROkfpitcrFkvUyH53W3J.nSkrFWq6JTMRZrPUU3.3f0.n7qakGHuMYiRAQq9tqMKbYJ_8xF2tffwC7.X_LL6GFqduaCWd0YSMkIduw2YrDmXeVRR8BL109M9Esbnkj_4c5OWy1lBe.ExyRTfnAs82oPgDeXX.j1ldbsWIeCE7orxvGk"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f4325acc52c93c';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\/2106385497?__cf_chl_rt_tk=vHjvelqSuk.burP2eQpZqS1Vjqr5xBy5A.5lH2na9lo-1739107644-1.0.1.1-jDG5KQS4xAEix3.uYZ6HuSd1ePYuTmZXDEIJCNTV5Hk" + 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