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-705560453009.mit-edu.top/post/3840695172

  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-705560453009.mit-edu.top",cType: 'managed',cRay: '910f8b414af86fd7',cH: '01KEB8oq_lsV3hyOJiFU7jSHEG65s2uQj7yq6dMmSnM-1739394401-1.2.1.1-pF_asGke2sTvY7P6AIOPfK.GkmufrrJ5ifA4sAKSJSD6obFxRXTWWVNLbXy32cCS',cUPMDTk: "\/post\/3840695172?__cf_chl_tk=ZneFG5T6blkZd_Cz53hUQkdU3xYKp1cdATybFESfCP4-1739394401-1.0.1.1-M_vyxai8hjvDWKlBdrbElVYjI9XTxTwRDm2tXeLM0X0",cFPWv: 'b',cITimeS: '1739394401',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/3840695172?__cf_chl_f_tk=ZneFG5T6blkZd_Cz53hUQkdU3xYKp1cdATybFESfCP4-1739394401-1.0.1.1-M_vyxai8hjvDWKlBdrbElVYjI9XTxTwRDm2tXeLM0X0",md: "Vsj0KvU59eTqQ.O2PklN4fIWCS6bFOUh3374Rd3CIS0-1739394401-1.2.1.1-EOmZ1MTwghObhskbeoKuZHUVSptwTGqRV_1MILrR49xSniW7O1RNTTA9WA3skAnOTpVjJC8lZJVvitTUwDO._CKaK4gKabrB2O34XlVFtWAHWoCDuZISd1xB7bZ.t3otdc38Fv_ClSM.zQffIcvFky6Th6xLSxaP.wJLWKnrbHnFEwfBnxpBZEX8afnR2zARfCMDFEZYz5f7INLziz8Z2Q4ldv.4FkoXVcGyd5RmZlCaTpFp14fCsRwmqEwiHv68dpLXmeO7wJX1VegnnAY.XGaa2NykYGNTEEgIoLdAPiFst1a_P1ykSw_kDUrCVef02R0zFI.CpGfPyTnUw7hoZ06zKo5AEY4UXIwHGv4KxFDJ8Y13EPLd.ZQg2BLhAyW.fSf3t.6BEdJdnQ72f8gbAyNM_tUJfGmbTl7y8x7XMVIMQIxdgYlMFYONvvJ84r8V4m.vvWNC.nnR6Sq77AHzuXW6kfVa4oP438mVg0EXThJLMr8mbzw1O9pL0.GJX20pCBOLMC_YO3L92G4IG5KFXfIWBqcDsOfIcX2fWz_T3SnQa8F6hATTYWhT6JdcaCEm8Wp1lKol1QT_d7t9HNd7sHh_qZHrwSlmLMsze4EvB.C.uhwhg3wmru.B5f__wy.1u4IGxGjP3r5ha..shWXr01BjI5HgtpwRJlaN59rT4.sIfcmRDGlYXD1eNaF12H5xOrGJbEzApt8SuektmEbSxTMuShFnC6gw_rkeiv3BE9Yt.5Xp_bX2N43xBlv7juVNrGBrNi7w2LJS0hU8tXRAXZHlGe.2U92C1a1mcvL01aLs0GWpjrDfq6MbaOYTODF27rT0DsvZF1hUhix2Hngw21bGEsj2jDMNUUL7z5GJAG0eLfl5j9QNzl0BQahchpK490_PMi1J4v7AoVSyiN6r9MB9AQZXVo5M__hPVG9F6MeGNL9lyw8aVCjpIZT2D1HYvKXTKafvru_BRnVweeHF95axJe0OL6oMIlPXctkyVN9VxykROuCWhj3.zwfw6Be8n72pKbW3959HKodwfng4CCfQW1yuKcrSqaNBVe14mgXfQ5wEp.QIiIWkw.knlgbVcnlczuFEaG8aCrFDfpLcgblUG3R9ZvMPTxT9xatM.FL7wJRH8mSgDvY7KCsdZJryKhE9El0u7wy7vTSv4WbvvLGM1PvmdkNHMfPfsPZOVygQfJ39K6TVEOFemklz6MHco5oqjnKirwdf_cNiT6e15NMULY32AdQHyYBGGpwZ2PmqzdmvxP8K8nGommzGZsyfLNeMQwo9M4hNy67KmSg9eyGWhD6lpvJcyB86o7O8PTz6coNeCHJkYicuZr0wYeiZ4TE1Pr5P12UMrcLncoNv3RAhS.DTnVkQzKOrugzAXHBWsaI6SvxalT9I77xaBZAZzCvc4FSwtFYm7GyS7UoD3tcnKa6WHVMp4hm6kPzSjl02lKIue3DSMpkzNVxC8Ty1TndSB9mCKwhh5KBtS5NPdrjkCa6jnlOGYVRNAYO7bon4gER7A4OWGlBo6XBeTkBeXYNG9TgL3FTvTQWxItBK2ofpoe7TktdxyQuBFUFpFRIJgrLImd3vD6m67RqcNJYa3Q19KARODpidoef2ywMxQg8GoA8lf8oISUFNBq0N2idGRNFe_oZQ6E41p4pZRfsyNmUl6feT5KwUy7EyGaPDrglNdYk2JNkgdwWoG4bivNzNxVDGnCR1cuQx.1hO8qjPspRYgf9dbkXNbPx8CbvojMOL7VIChP7M7bq8THbsfVMoBG9jIffUd_ApoAqI2rVVd0ZfBKda.Mc2mUqikzYUtA4dTN7vepZPKS410X0EFzO.JZ8TD85MaKf2XMXaZBdg2aenwi25o_8b54CnHy0fetlynvCJWJissUxcPz5Ax.3oYE0OYVzkkelFwdIVh2HkyDlbAZu.BNRESI25NSOUkLRejoTWMHdGq.ienWMZHG7YxjGDB5F5T7TVotD41lgZrvv1anrI5ju5R0HKh7k3oEoYNB7P.r.4j1HmMLuJPAX61WKiLeabuIHu123Gymt2a.EKn7KLXU53JZjj0.Pj8irIUxa_ym3BKxmR_pIt5a.WqldyMMlXJhv3xsRc_CqXR7.KSxvrfVIUhQplv_l8TpIh0oaZdsz80wE_oFeeFnAru2fW_BKzi2PNuPMPIUHSXZRKVcSz5fSQ4Vzrj8N.qHtVPbkqeo3eB6nX8svtrjGFp6bPHh_YRp6z8aFeC97O",mdrd: "k3wKBpOeIlc.q_IsueXFGWXo88vh04ltMokcggsDJmA-1739394401-1.2.1.1-IYdXLJHITr_Ey2IJfPRaJ1HqsU3rkYm_WTvwtvVagX9D7zShx0B61l1cVqS0mjUPWnvb8kAzM_qCb4O1dXSbf8s7hVwL2SSaBM02TFSYvpnoawJq6t1x3DahGAMgp0N5lbvVuWEp6u5.RWfFxKZeESeophZKQsuwL1uXhV46EbH1WM.JksiXVtDrK68KLPoeEgLkaSuZfOGbmi6J_6ohhuJIWJSqwMeKnStBjPhqHaEjSUgZacG4sLVU1UClUFSiS9eOaSnase6PiflnXleurL3HlVQ2FDLmTjpgCzlKb1u._e14wG4j5W3Gc0c5nqB_AQ.Av_N8XDxY.aBP801zEOSerozWb6vKJ7dqPNnmi1nlG25rJGW2Qrhj6Qr28Ytud9sfpa3Q6ZK7KRWqhC2_Ca3ejnEZznfaBMgFOQAROsEBDdmWB0SJK0HnJ7OfMrWDV2iVxpg1KQl.MHIngZIbNdXUg5R0ErPAzubV4L_hS9kXoMvg..mWa0KvJAVxx8n2EhvtcJtDdSg0QVEiTE2t2LN4cd9gkxYbyHySnGrPRTjoSN.Qbuy.1nKE2J.tI2d7MvCWdOp7gYiyX8cUTLmFVGHC_tYip9mW96uxiUO.juKUzLvE9Lk7iaEszK.kONci16p_3gZsasq6cUy9BfWylMbhfIHf864DoULXbjtcpsvffcz4QKHK9m5fS1c7IGeOQVvHHPa1wY_D2f7FoCUsoOahg2ByWM.zCOyQzIA73fbEPihVqXdJKW2_dbROkON4JWUgFbE5WVJee9_8wIbjAfpsNHVyW40ZS788K_iDJx4nyki9jzOnFnvlgBe8bucD1s0q6F7Xc3YHAQvBu34UIaWFOXYiPY8MI.DQxiJ4ZPsD715S_hnN_si8zHyiWPdxnNjqe6iDGJa6d8PfUS5SloZI9Ffb09Pn__0FEjhckgylltg_l1Adkqjmjtnmp2_qt2cRA8hsTfxwrBBbcJgr.4l41dee_pSFhBf8g9t2S.hgPtmZqKZFAIxyroCEfHTNqJ0CifmoypjvklNbd0MlC5esflx7m_U1aTwAyget0BPJzZ8nRJBsJ9d_.HIEBKbbD8jpyuMtTMv1lPLs20hc.sFdmVrkY3G8qshgUCpL4BK7lHqJOj4qYqi7EvlxpNM0iPLuNRUfgeOUpF.xrKeDuYsJ..smbpcizoANV6aTg.0JEo8.Gc8Os1MPvG.BDBWfDK0JfOY0CfNEmPUXXYwVV_p7l_FuwTHrbhj_uTsub.AcPzi9ieSSwIU0EdFHIYXMiEnnG6G4Fv6eCzHlwJOSv1._gZ37Oy2g8DTfmoMnWdxhZLCl2JZ016FgKVtjGQfkq4vmaSfAHNu3ros7QQYhaj8jDb7nVpJjqUDznYA7eO7GvyZ32mwpVBl_xWHFvE2qBMGBZ1IC8hx0GYjMZmRuDCsu8ly12u8eUxpEMZCRE7BGKMiyPCQPNoUBneO9o7rW_X3l7oWGWhAU2uRgblndw.NSAJ1WgkDQ69ILHRbb0gYs182AcvNXCz6zEi2JhJZOSw3xRR3XwFVXlSAMG_Luqr5VgsNl04fXff3PYn2VFCgTU5CveeULvb9kP3Rey.R4oos2zGVhWtNNHnVf5ntUsPvEiIidGwaux2pksmQJ7GbfcCtrNmtEoS4l4icRAe.QhfiTMsAUy6T64ZZMu0k_Sb1lZi4UfoHTPfMq6fI.FKde.gajc.AIfxmJ5OP9OQBIXniSwfdXqRsVCxsVra9KwbbYmUk63az4mnQbPPee_V4MTlTQr0D830ORDFMFWRJdNH.8tyaSJclFhy8E0JT3xKISSRE8dd2EQMhCl3lncSI"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=910f8b414af86fd7';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\/3840695172?__cf_chl_rt_tk=ZneFG5T6blkZd_Cz53hUQkdU3xYKp1cdATybFESfCP4-1739394401-1.0.1.1-M_vyxai8hjvDWKlBdrbElVYjI9XTxTwRDm2tXeLM0X0" + 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