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-050190090987.mit-edu.top/post/9143675082

  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-050190090987.mit-edu.top",cType: 'managed',cRay: '91103e482b44f278',cH: 'nDv7NYDOsneF5QUxmUgNNtkAFcUbB9l681v_ehtbr.A-1739401734-1.2.1.1-5s5bDJVVe3Tm7Fo0gSQjQ607eFgI0fEjyURDPGrk6Iq5AE228s0gHsaGDzWNno3k',cUPMDTk: "\/post\/9143675082?__cf_chl_tk=cp.nqzzSL8wfJx.6UiX.A06xQxeKc1QmdoWpKIu7nYw-1739401734-1.0.1.1-5kIDFAmXYE9MV2dQ3LHm9TZ7yY.PDCRAn1ehqvHmjL0",cFPWv: 'b',cITimeS: '1739401734',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/9143675082?__cf_chl_f_tk=cp.nqzzSL8wfJx.6UiX.A06xQxeKc1QmdoWpKIu7nYw-1739401734-1.0.1.1-5kIDFAmXYE9MV2dQ3LHm9TZ7yY.PDCRAn1ehqvHmjL0",md: "x2Q8f.IqQqd2O5xoStqQsq8wbEfKa05kD8IEKRt09wA-1739401734-1.2.1.1-VLy2aMDagj3eRmd2uAeCYbL5S1t2yzGvZUeLW77cyrT_Rur9Pq6Cu_B4Q.lOwCQNV92OTXUYx9hgL90uuSxHQjovNpCBdO2G0UIa.UyB2453yk3I4FdapfJQj0cSyTE1rFudwvMb2UQq_Yo3bX8f9_HtPx.q2w40oAsTRdsy4xzZPzKfVscN1ipBpB18RskwcQnaJdPqjZ7ZEnQg63jwXWWiL5ciERy5dnz_ogRshVaAA2zDn4pcIJBOVOb.4ez8j5asu5S4rpLLHS.O1y754RDXUqCViADw16fCxNNndVwyVkAxoAkgHWwY2UFSFhL_5ki4OID0SoNSrIVp2Dr5Sluec7MyVyMcOjttIcqjfSoV_sslsgQB8EeZJcGG7MxTxvQ_b2micpay4o4tA.nfnxLfp3temLGrluf28dePe7Wx.XV.wKDHW9AmyHzDMWW__dxT0rSbxbrmDwpFUslUYGIWYHQnyfwnOzThXDjurDd9ys5NRiasa.H2jTfz4ef4h8Ep338vwTa45UHcKd1UCgCE_tY2YyVvzO9jf0jsfPxHU65iA7Er8Ns.WHPxfM.nvGfcmPTIE8PWnH3AjqBxi0qAhD6lG6MmwYUowGxG5VkvdeheTyt5EadF.jOSedPtnueTwUfkbcbQZC_PJDmzrl7MV1kTUt5XNvxKp3KB80rTWGetmmHzkrsLjgQmpqeCqrL8cHH56Cj9gtl3YPLl6yU1In2_f.PtIe3vaIYRbK3OBeBeN2OJwSSOPGYA8NfM0BN4snwH5_.gX_icDezy9Yfr4Hht2Ukz_h.Xt2H2IhxE_V4W6sHAndD3OYgq2OGJfk7Yxuee3Gz3tuSPa02rQULF.EDTB5S6HpvCtKtZIgYpsPfktOB5656ynZsx1ztio5ZHh7plnRR4pLCteeqJyCO_rhwM0HShqmj.2OVqh86hf6LWRvK1_wx.GcHl44q7jikaWRRQLw8mtlfeOjWcgMWZ7Opn_8iEgYVsaDm19b9HPjVUOQ9OO.oZYb_Bl0LCfEw79wRXCvuTroaCYSqnM4G5EFSXuhCzkcFo9dAfp9iFqj.nVFc8lN4RypZOPt9tUBUFOd.LSwcVnA3JvwC8i9hC_KPK31fLxmuqU0vgTF7LiiC71uTV8AdOA23R6LDpB9I1DcXyWvldzGCwaiRBxksxfOjhFxb45XNe1xyg3cHTKmbx.2qMrOgsvCDB37G.EboayYPvKIZY8PdK5FIKQYzya4zyAcOYGMCaWDKg30GM63ChH5ooEKaYEfqjogY0CzXw9pTm0hlDlfhzz_VYGBvRYeTUUoTCe7nZuML6LKYYUu_qChshdOaTzSSFUZDf8.RoUoc8273y4bo1tbazKbq69j3wwa2awAUtQZJRSAC1n0D2.igl06CMGgqdMwdcujlPmqwu.LVt2EAULoZzw1BPw_T7Rua52W2HSs6NXxilttiQRF_4yZxXRPAU_VB3ZV05U0jxEiX5qDVGaozNtUoymVB6ZbEmIeaAVt44elKLhcHBu3mTBlCrddoecNpdIWkO89ZmuDT3vr1NtrIShpOVma44XEb2y_JK23FvapgyNDAtKO85Lnp0IN9ZeYJF2UNpbUiwIPYiDE9qKwTa1bQ6wPyiZVm5tNOHVrd7lLjPJKu9mbvmUpKfsd2jywyDMIvQXacYVELA_ssD8sD2Q5KQCjGK2VOY3xoqRiuRBqcb_wvc9aYHON0XoPmBqul13Cl_JMZLDwb7nN3y8gwfpwbIBv_kd9cyLxlEwfccmIjJ3NkY.LPldencDgbKS0ZFphAqlPBqkqndQiz0TvAAzOrfvOHoGWZOYNGfSu8EthCeaw4vYNg.xAXdsRAljAkTnNIf2cDaGBYXEnp4kMyNr1h0IWMUPmux5tkKeDl9xbVSVhJAXP3KGGCj_J5Rvh8u5xq3PWTyRDSF66LvPnx4izhSVigPzOGld4CK9lndf6kxtQk636ow5nA7BJzPscDf8hnRTtfvEvaC9DvB6MXCSawnR13mW_1bWDNGVkq5fvhtbQooTrjES1dTdoWXJiOhvU6xYSz2rsbKrocRVnO5A70TSkU4Sqvyrv4HcVEvSiD2IFTD7M0TpFuT_E07HOEXdG7gzYSTVhJFLkN_AQmFqy9IrjYm3HDo1BT2ZxQpSx4qz26_3i_qt4JDl_5E4BULnJ9sJa20DHU2RyR4wT.vA6mPIymIJ2R55lHsL0KFYQjudGSr3EmSuXheDprBKOoG",mdrd: "_V3gCYGLGVjBlFN2_ojbVNEidbBN_0w3fnWxx3NmAuM-1739401734-1.2.1.1-NT1Ua2mGOhFLjC.ATBwQcG7LBhJv3GqB9xsmAmjtRorkvsLBXb9gdQYK5T7XN.ZcwIRiLtpqyPrfHnjo6WHcRjK8e1w9.4MmpMnX0HE7.vU5PROqN4jlSHjeLlEZjaHuH7AQ0im2eMaqAYn1Gnf9eCidMaXRidaWlSN6oluj7CbWGf_2J9Iq0EHPAeDL3KJHyRKad5NRl2UO3wCrCjyHha2D2cdV_qoJpoHlR7_Y24DHEZiidflWBvutqtg_XMjrIVcpP5jAqkEokc.336JiIRitoRgLbvnH6OCONB0GpgfzlJGaZHoaJrAOylHBxvr0rDjy2g6OM4jgrccOUZtezhTsE.9WAm_8fjWUwQY7niobtajoK6ulQydf8Il8JmnSKWYpjRuX7t8GWqTHdMFR.j8ys5dsdncWnhslyGI4yIHocjVvtv3Av9W8oEeG_q2jupX.TKN7Qjxl49JgV3EAsV8_aZ8zrI_LEMuGWoWECLnSv7Urb7CWOaNiBvL7Y.pDg4d65YCeI1R642URKujGR4LxayyjpJnRsl_VjcWs9L2fKtbC2UHx9Z3lFh_bTCKaUt6WdvF1zkoFrO8e7ed_G091sKH1OoL4D8U.zEqIU6y5f5VIaQvbIUxyavCUUNeflkyyOFSKXiqlSIrDwiQWHiY5cdkucZ.ujW7I6pNbWjEayzwV8zDVr.uv7su.rEBfBUx_ux5skqHOll6obZ1yzm0Bhk1oR3MPEDFQgvYHy_GRAuHVvq88XYyDuEwCtkEyOB0UFEbEMBiJan4KGo5LT.SjxsWzN6I8vP1kEczWs5ZxRE91lGTmQouvlTdbh3MhjGtorBpmwHAbs4OXyt.LsTxCt7SGb3lvZe5Oz6XXCz9iDB0V6NVuw3swRMn0beg_.WFNPaKQMPusJqa.98fpshM.ORd4NCvx8i1rTDduNZ9hbi.9lzW0.DLKmWMe_pzGw6qn1oDQ5VGeRxyKuKYzefX2dhxOi_.VcYnc_uFWo5JOhVDEBK7_hLL1UzFbPlfGdtb0SVcUiCken6RqYLk6voFzVIj9eTVsVat7HMY6ZBaEQnarYDj5HTU542gAQjMnEfgDjJw4UEhzsb9VLa8QaaTMGq5WOd1m_62puDHaAZzfKu.wOG9vVi_jwJldhidQ9obDXLn_gcFlz9TYyHx1PWeV.HSVdalvGsxnWpawYEk4nrJhr4_M_URZMuR6ayDhzslt.CYvvD7XqXeLOSOpbvQ5TZETJ9omcsccIH8NZcwgZGxjHlnnQeQTNiEHEimtX935TIRXg8tBgCstzsC.ABSENvRQ83wwjmePN3jQ9mSH39q39IkattwSoIHNy7Y2H90iI8Q3Asvn1ETapVfunUj.yiTCKby8Qi0biLoLebqTPpa18WEVWzFRD9mgg16A22yayZQLsITnSM9J8BhvJO8pqLpFxBRzUIXyL4UZm1zpVp7o58TG31ktHZqHAgrnsse2z4WfSWqr4TMfftZSnho.OCHvFjD8m067w8ObHT8I9Ic7lTk6mD91YMI.e1pGGdtRW8svJXFU0kimXENGvHBq4pVyUV4k6dtOeIL30uBA4mlUOQBDVL_OYSmkWkEBjH.vdMXUmCPWrE4MrZI0qkpMtli9P5TOtwWZD6N1TUg.pbRmBB.cKjkHJn1lwj0s0ZcR7zJ0v5d0Y8OVh5Td_k37EBCtJ6WySneEJD8ounxcV.krMIDqy.zwTqrCQ9XXWRThQEDaV0CMgZIGmT3IS6oN741XJC8IjpM1HGKSUNxC7x2zCv1q_2vUKL008KaK52rFZwofmfHmVtUmLn9HmHO8EadTfr3fdAKdiu4AtL1CK_2WiJXmxa8_xPEIJNIr"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=91103e482b44f278';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\/9143675082?__cf_chl_rt_tk=cp.nqzzSL8wfJx.6UiX.A06xQxeKc1QmdoWpKIu7nYw-1739401734-1.0.1.1-5kIDFAmXYE9MV2dQ3LHm9TZ7yY.PDCRAn1ehqvHmjL0" + 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