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-1450273986.mit-edu.top/post/5827360914

  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-1450273986.mit-edu.top",cType: 'managed',cRay: '910da628db8f5a03',cH: 'BUIETHEv8zulYqAdx2mK6J1fZ7JGMn.XjOXh40Qiotw-1739374531-1.2.1.1-f37OyemmVxW_V22_udsEufoyjQ5UFgGVCEUimMCi1KB65rk3kJ28HmzpVQLbwjLt',cUPMDTk: "\/post\/5827360914?__cf_chl_tk=lcRK3ednG_XWsFWmf95ZY0Xr9VMEx9o5TEqvTZF1Gy0-1739374531-1.0.1.1-.6azElSbU52i3acU3ZWnPZZMv5a4w655_nVuJcIupdM",cFPWv: 'g',cITimeS: '1739374531',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/5827360914?__cf_chl_f_tk=lcRK3ednG_XWsFWmf95ZY0Xr9VMEx9o5TEqvTZF1Gy0-1739374531-1.0.1.1-.6azElSbU52i3acU3ZWnPZZMv5a4w655_nVuJcIupdM",md: "x0pJoUBN5iKVu9iOxYBxW8zMUiIRpK2Ny1vxOhjP4SM-1739374531-1.2.1.1-EuokEnzHrLaDE33sTfctrfAy2lVQwycqGd5vOKSmsTCjQ9ZmHTB2wZMP3TEggVxd9YX6x2BCQfEWtEO_iRIkKCJL4CXmZ0R7c6nQQKz12gScUbv0vrgJP3eI6exYM1AirevrRbweYN3bQbz6.7059d.Lk.8g4lAfg.pT3obimYNoG3lXU8ajkgSDSM6wPNGNMJcmepIK6cx8ukOJZNdjL.eA6yMeXwpM1Wbei3j0a7BUmPlINKL76wdeejIAPIpGSnU6QlXLbEgOI6s5gQ5WEt5NWyKpkrC5aB1kZ_j2HoNzeVbVKRdFDmYl1bUju6CAzwcOmW9O.PI5CBXYVbMR0pM43yJ33vFaDNUALII3DVoNQAMLkzkrU1eNjtRef5s09KzRtn6uevuY7tmxdikyRmPqz.Q4_K67HbNGqczAhwRIZhj8jlSi_f0XT9Sx0ib5nFsl6LE3gKf5FwGm4bl0KXYzj4oyjvZddmzsmW5RPQZHtDNa.qQcKJCmJHUb8GYm4cDGFmsuJxrA4PeXx_toG8AjYeD.A1taGOJEWifrAGeYsjxgdsWVZANEvcutbdMkBSA4RecHlWaFPiGfwMnlZA_1o4Qv0D4JH.KwarueDIIoCgOIG0MjtZoYeOGeMqH0hI89WAepcPe9OjBKhxZZta9mp9x1hVjsXjA0Ki7gtNL4emVN2c5ucjOnARlmgOWNo9z05.pjoa8LPk.TDngfUPCmKu2hRlr67s1AXhE3WCN4pTdDsyXqVS1_OZl5apyMylFRTGdBYoPJXIU5Hl5yii0sLRfYhGbkd4KUaoVjlArnGu3RFPhHxWWeusWr0aO6i3opnWRHQg_nOxEJrjx.e4PF6XMu59SiVTsLhmlNqXg.gG4r1CauSePE9iiZU35jpKA45Y0rs6Y2pahLP3oB.dququvtKWCHD2gCcL5_jK3cfJo1w6T0mjIx0eoV218Bh6nChSpYHS6xrpaFDCgm.BTxq0rvr9QYhvDuBfKqe0eL28WZMG0oiOEGcsXM5IxHATCUtNbizgDHaaNHxpU8hgklSnqrMgkznR.rLKE_.ZQ9mzVS06jfqkceMpf4koja2S3xQEGndN.lxpzrMtUoqg29txV.FU_a95UsrqHw_CmN6VS7VJ1msWYBiXmSzKY.kgpJex_YNIRph2hPWGK1NfXvqY41oKjcWWfrrMzD328mvbM_N2EXBjeCbLPJ1ciSIdETAJoXDErGAhfmLSLW2WGMUiQ8Ou8ofqXZqZIZyoy1hFWHvhOqZXFLZ0.YLTf2IPyU_jRwaCF36FLQIhaLfplHwnQ1NJq3z22tzKF_0y21aZo.12vJ6uUXpJQedzG_n3Q7VDvIsmdj2chHkj_SZSMiE7ZbMfnWjbSWDwxsP0vNuWcFQceBsbCDew7wjwYNaH_sGjD8VFD1C4VIuD0qXuwwqTX8AsbihDaFstKIlP.N_0zKBApWQ2QU2K2T.AbqyLHLfN_KqsVwXSAkv4BBLvuIxTnh2gc.PwOSZHcpadhehPg4c3Ggr8_PQE6UxybWoTJEMjucMSmU3h5LdbXjv.3irxzcF06_0TwGYRxxBdaXLGjQM3JschBXDuHNq3GLwKalufKm5dDVDr5V0pokhSOTesmONhk6F6RWZltNuzOlAtZCkLTd7WRaPL_x1NSq6vdTIEeM4F0ECgJtdoKXJdWa49fepfF7a92niNG55GvzQ14mF_L9CZHsehIlh4ymuw9bUch2KcSgAObCCFG_xEKy4dbc8ylGrqu45lXX_QJhvfXvIWVF9IicyHdbcYFgphaY6ox.1_EyYzcKzG2if8VI.Znj4VhXp7Ca2Sy6_HBLoIwTAQ8uZzJQYo4znxyKoGS8wiRDiVB_s23sVAQU7xriLisREx3PDX3a..x9J0NKqk3BSMV5y1ApcvLP0QSnhm4d5AYsgH__wI8dBOizCZ7Uh3vA.Z4Sr50a4mmfSpz1Y.4z5x3RXmWao0WQH.oRxntwry4BnbZ6dT3yBonWF0ipOgSf6Ui2dNN3lfg8nJ5y4KrHyRN9v6MXy8ZYMGQWA9HNGnB02XuI1lIEcVxne983oJBwi7ic7jPJrWiaKELDPCFfUDxFH7B_3RLMccsPDmRqQTDQd_FxdOeOpugu_uuszxaIHlPU90h02BpMpy60Ic6rbX2xvxkFHxxiULGkiOKxmNPtX7kNKQ8FAkAuuTKoQqFofw588af0DtJWmjaf8h9VhuxyXzsDEwda7lBb",mdrd: "qe3hbJHXbw165jdVtrwxqzjGWYeTBq.jHZtBzYlhM7I-1739374531-1.2.1.1-0fV4pYR8yhWgN5EXbRVu8kf.9jit9obhT0.a062D6qNGiKIDpjKWJHQF.eZYgP38dFuEq3xmJAJ5zJDIYPINUedh1mDj63910aJR6kpcvAWXnIUf.xStcr_5.wTxi8LJZgctocbmuA84hSla5U0hnkV1YWt7X9gayiYKh78P61xUkU2FVp6PBB.KAXxRrse83OH..m.7b3GPSHv5xHtiuhD7Ijgl_ao.hDKOfBRp8V1mAQ.ynhK9q45_TjWw.nSPrD2xhOKPTVuqNYm9vUPWj4M7_2q.k2yj7akc__o8ygddMQCnGO3sWfrxCtSGc095txC758xgWvnvHVi59Q.Td3o9Pv0qPSySd4c025uUEp5_etPB61A2dMAdE9cY5O9hjiQ1lHXX3dtQisTXEG2IHEAtje35hXU8LICLA36hOe6nwSqfhDN_cjlfTesa0Xw1dPPMyDA.f5FDGGtethW0thNahmBRbhDyxAZWrbN1aRHXGd1D0w_YuLkfti1BehYxHBkBO2M54MmemJeDfBH9ZpgsoSx0l94apExbMMpGExji0P6upc06GTlhJYGUnmUhFU37u8MyZWxUX2xaCG6RE.A9028LVOnXmZUWskVpfFZkizvAiXNJ.m4CcBFPgwh8mr.7Z3B3PBe8TVhBYya2pKsMu9d1finn_ugQTLSkDLsHNLSSPanAR8cg9d0MPCh8kCP9C5n5d23o91TyaGeIpfEFYPxaiDzgA2Lw1db715eUplz.tXivqMUbG9QOdN7N0kUXgrxGp5PQSg8dD1vd7KaPJi4IpMpt4Uotw5gEU.1qm.dADSD.kPYEflXqAV4MDv_C4UhHdt7xzedd2CVdvMrRaxvPeEPR6z2CKimPnkbudUbYuqvGZZyUw4iaKPq89S4nJXjdLLNYo94eteG2Hc3B_5OLLrC4kzQMFf2uncop5FY9fWUyWdSOuTA0SER3Jo4dWd.HYsKFzfcOTwPqvqaLZS0b9uPQPbI1A2GMFYES6EZZBVC9QMdUDM1yzY4ayGapVFY6WZZrufs6bj40hhbwbqjg2_joVPllSZ9.eJOH.3_KqKTQis07oNrC8X_enJ.A6RFo2EPnRuXTAdCUGqnj4mTUX4wfeMZquhOrfb7oysHtuckIQWgdHc_s0JtJNmf8cyd.PuepwxNUWSaYRX7_aLymMTWw6T7HFQFFfBDLlsLiVC2fPqLb54VOwK37pGX9A0rrasnO7vPJKIsjB3KSz.BENAt7sqh9LjPmW4qEIoIlemSDUPCBsGWcgR2aYfHk2A6MODDPK8hfM19nJjfQw8tTLjqW563kVWV36oakt9f3xyt75Lb5vH58QI4FL3fzj0c0tGe0LbErarIC20yD5rzTdlEy2sT3YBIxYFJGE585i3Imo24qBVkeom5_43hPRet.5e1Tg4PlmkmdcJnXPWIZHMWWTLPYxzVuLqyl9Vej6qse6aZfRGTrFW6cPJHBL7Cmsv_n7B4iYWqa9XzysmaWAfMht9uUSLmmeLUzvn2fgV0I1gcYaGwuMqrOmST5bU1gHC.fcpQylWnMJAafxCFm8wfws55Wp3hkNCErcd5P8LdmorDfU8ZXzNBRPGpSRZdVrLBe5ztXyI3buY7h1blL8C9ouSF_pl7TST2gxculzGyGmXVmjnM22AZRZR4sQg28Q0BN82ZBG1fQB_rJFFtuMcVBxhblg5H66AZSrC_tjSPkzaz17Y6.6UWLNIEgMLwdosT9pWdXjRQ.ffrtx8Phiwgaiw27v1_kL9GI3Vq4N1QlWdceWtvDpPjn9Qo3lZBRUVrbih8IVovGPuv2miwc4kfUtpC5InTdmxQ"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=910da628db8f5a03';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\/5827360914?__cf_chl_rt_tk=lcRK3ednG_XWsFWmf95ZY0Xr9VMEx9o5TEqvTZF1Gy0-1739374531-1.0.1.1-.6azElSbU52i3acU3ZWnPZZMv5a4w655_nVuJcIupdM" + 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