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-592028473430.mit-edu.top/post/9782531640

  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-592028473430.mit-edu.top",cType: 'managed',cRay: '90f23a1dcac59c34',cH: 'HU8zqepY5sLF.k8n8nVezWUeYy5OgCoAqkyfQ2qmUTQ-1739086991-1.2.1.1-2Q.hCRxXlxxz6PJjoViNPSAzyMj0WVmTDVkACbybKCidx.D8Rvm_yxG_KM5JLHY.',cUPMDTk: "\/post\/9782531640?__cf_chl_tk=kKFSxg7hzutoChNBNKq0dkCynPshHA4h_GayNUxNL3U-1739086991-1.0.1.1-ldNJjettFL2oFDcMip13zuSxL6zNps1_E2jIsEYR2R0",cFPWv: 'g',cITimeS: '1739086991',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/9782531640?__cf_chl_f_tk=kKFSxg7hzutoChNBNKq0dkCynPshHA4h_GayNUxNL3U-1739086991-1.0.1.1-ldNJjettFL2oFDcMip13zuSxL6zNps1_E2jIsEYR2R0",md: "4BpWuSO_p1tQDuMfAgDBB7z99j7AQJONE.R1t.qfk2c-1739086991-1.2.1.1-ii0M3J77Mk6K20AFul5hVkQ5wjFU8HmPthYcLWkho0Q3AoHujFK5UAQYcp.w4s6FcZYiW4NqMFgHBHKyOCj9B7YS3_v7upM0le137eWvFMkqNT1wXqvBTs2rp6uEKMNFhpLRNML5DbeU3.y8oZWDg.vHP68.r9jVFVFoMAXMgaO4J.wFTzwZP.N5Ol0qXAjz_oHsPjYYVpoT_UH.glHfwXlC26FJs3uR6Bm.8FjQikc3VkDKxGzodlw18aKlPGJdNjbpLcbEuKT4rOb.UyfC54Vt_EOkeyGpZLAV.EIulrXYG8rmG9ePzW.C5fMnJETGXyCtUpRzwEpLm8TcdfK4eqTi.q9OBLNUYQDCLe9VJ6JZolGco92M0UCmU31Vpi0JrdK4tP4sGIhI0.FxJxfWREHodtnapni9H_Zmg9Zh8lvxgUBjyrhD4C4yOO0_H94IyJd6WYQsfWT6iWGeNCmr1MQdpYqAhD6UirJ4QSAAHHhbpkHMyWwAdGS7d1v.3zQ1ZZ.KM2e7vw6jZAetehtLc6r80ZHF54QWxRvFvibZPiM0YtkTQhbzbou2H3gHdHQyK9hWn3Ncah48nALhCa7CF1hvwc0206BmPR1n7qkvOV7UUgVQ5XPqt.XpSvRqtwbey5Od9O5cdTWpEjKpogP5tlLdVwfHA7FOYDXL9Qfj4ToEP.axBq9W3qj6xPRfGVoqqZmNdrYpcuGfNPbMddfoM8alKuIPf_5z_DrhIBIV8NqO4v4bSVSfQ_JH.J5MQqh9p2nLpu2nJlDioED_KVqkMiSZowJ2j3cSjyb1aJh47YXoQUU8hEI7bOrK2LxiKuC9jmKAXqU8G1xO38FBurKkXuQKdwETrkI4UAblxGUV2nxF5PLK5xSWKjJPubJVMFW.lDXEOFhEepfFlgTI7FtqNfwMjAgabrK2Tg0Poaqsv7bCsHneKfgkglKjbZJxdQBW6hv7uBSAHTpvk_fDxAD00HiSvSmWs1pIyxrwowAjefIzUQ9j9BS4D.VWMsgDJnFtC7waLoqPoALPyl9dxYiBAm85brkNeK_uE7VpBdd585LlcAiJ2SrHyfwJQcDuMuOViNXOAJg1NpNb6_7Rg53FO4R1Bi1vtCrN6kvDd57_B8hTQdnTfnVQtKAtHgmm.zMdmaFxYYUvxo.uj.vooz7Gix0tg85BvwCjNC8gZz3eoz.dVjdKKi7ukDKFhrRkn8S5E7vGBtpoelfdTLueJUbt7unySjRODMVeVF65v2rwP3aMC0FyfxEv5tyDAdnKrX177GeOJkmSYTAj50FEdBNWhqKgvy_Pvxd7o_i9T48idlHb2ro50hGbU3yz5bv4YpEQpLaQVCWVwX.2vNgmh0K7UxpExJYo.EyaD_5qO6l_M.d.iIYhkTUfZayQzVYT_7KysfdB8LRUintOKVokmslst63MExk5PDZyH0BxowCmr4hNA6cYQe882IV8bWnVgo4675wPFrNpUHWqGYmkX6_qPLx_akVKETMSHMUXURt2r2G5cuHxWne7HYh1aS3shjL7toHJdCR6eka1CzwHDxCQIu12r9XJHdNYOTbwBMYG17d_M7L1TBgTw6EYUrS1IatkT9dCgDeVwK3i5YQZY4NsHXp9AAca1FW2vyt_Ud22WUaUtswy105D74gCInJp.VrG.8M.D6XJ3l6YrU19N5j_32qPC5Awh.Up59eu90abHW5OKpLAELrkFtD65aEJVccHRBNHHnCNFsT5Qv2AY4cY2A2WFA9kF2RTR1HpRj8acSQeFbpcdT_VDc_U0fqU.ZJnmYsZIpM4fhu1bOiKbLmeiImIwPt04u29ZJGZp_kYugxoqUw7NbVaqnm11jtUsU7qd1Xnb1KusVnJMWxZPsLsmiEOltCXtp1BOAxA7ZB0pltp.8qw5RTfbMkK36kq0M8zpLXo.6l84W.lBptCdk.mVaj2YUXiq_XjHvmKH3fWiyNamypwzHRs20HdRoT0r5NxheJvZjfrDXlrLp_y2juX9j.LwWY4VMCay.S5c5zEFIn26x6WDeEgCTSueUbJnuDqVrojofkKfpPN9jvxfCdJChWokJ54k7TzfuQiA3KukO.UAsTRCY4nvalOUDGEr_mfUfQEo.bKsE2mOGIM929Ew_hk4rQxHJbiO4FqqklBpxBL2j6Iz9xwntV4uxW2Wfws2IhJSiTh0Nbah_iUyo2EtWe2Ag5TtpQr9jjHDaoUfZXmDeBFt4BqETRlwAPW68B1",mdrd: "ESBzyqofqWomWQ9waScwkfCGY9UqTkwW5lnjTMgTNUM-1739086991-1.2.1.1-OpnD9Njad2MS5YWGGMoHvmC9Jvlm.gKYBZHyL9yLF5irq.kbCv1c1WyW.OPRyjSLqpMNE2w1puaP1z4NjTWAZtdhvJDafepwhk25DxfgGas860xn_U0Y3.IacLDKyy95A3yom3yRFNaxhjvjnQpMNgd8EqNZVpN0iSC3QRAsm3ZpQr2FQjgbu1k7FGDqicmCXWF6HZABCEptPKZonEeP0dvrR54uTmPTiwbKeWYLf1CCE1pReb2ECBLIPaM52m1M50Kmv9_dWIuDK3kKvowfFhLHbcUB1pQEIaIQ8NRsy4vkBrXb8v2ZNANuMRyQI4Qo6EoP0ySR6Dfch0bMsm0JpROhtWDofMYkI_FfYdJ_Ys5cnPDN4lZWd6LVejPhfW4xAOT08LVbz6.ATHBcON_Ir5jDSiy2W3u0cEHdeZ1MgOFnifdAw3NPicVfo0iJXCqHol.YQw7yjApIUNz66jRA0ZxGNFiNMwCyjW_oAt7W0aZc3mT8Qz7vJcTMHnoKcdYg74M1AyWsZi27_cd1xXxpGWc7NRqX8YjTcj949ZIgokJSRs2EnZQzKqt8xBlKhc0kwYSfZvzlgYuAevvbRUvNaEjxdYhWRpFWS0u4slSMZyWuPcDig85BgKjS7Zr6akcyhtHsX6MvrTM4NGvtT0vmeyJg_9FC2Rks8CFToweH84_apfqESbGxAOFnj6zWtg_PfJiKyWnSfT6iy2.2i4R_3Y3m08.6H21_dg.TMTZ4lie2Et3DBvdue1phZnXdBlUme4xoM05Yb8gczL.FfURx9h4r0exovnfMf0DexeixPHWOWwFrh1EVgKDjer43cSz4H7wzuMTNS6eEPbGHN43ok5gnce_eWMwMTQvy35BPOMCEqS3_mfTYAFJXI7zwRRfSem30hB8STAP4JfdXVSviUoO2ntu0R604yhV7b.v7rJQW0.jiJrX_odK8GYiNUKAjO9AZFu3eXMc4UB4_hMGajx2YEhN6ROf4SjCYyvjfWp9HCcpzghKiTifIc21bXzteLE72bsWWlhZm2iA8CzMuBIzrSPLqSllU_bwetPpRbJ4YF4uBQf8oS0l9heiR4f8FMWf61gVc5erqZwmud2LyPzcqfWdc0AJZkljyQoVSQt32bHMmu2x3N5ZfE94C.AH3VBZ.tFmELywgPUBemxy_ITd3hCwmdQUnDLvjUSNbQoHYMG81SVEqhS9oflcmnn16z1GoaUFjqj1ICjqD42_ei_r13rLgltGgqOSkPCybqTB3MRXGWFS6H.SxENyIyCuB44YPnOcy2h1FK9djK7yNknoBWYk2RbfiBoSpcQij4mxw88.RHeeBHODErxKJYw13eDckDvb4DgKVI1FUXBjL5VWcsZ1zhDIcBtFfEWpyUuA6wBkDgkFwl8wMgqZZKDqlVtRjx3R9NEJJ441Szazi_XcHfeSADlnq4xqra5i4eky.KaHGlcuaKIalr4cROVHV.Ynvfdvzrpsp2IgiIN6nH1YwrmMtVydHGG5tiZ.sVGkuPm.QdCim5Krl_7SZ7HTkcldC7t2fLXwmgpYxj2GT88Zbmm6DxKRQzkPCxaebV0QYr8Or.9.B7k1FIwwHBy2AEjXc2GEdI5ZQbqQejbXSdSFsSAi1g9I3MYZ3Tl3CptGDfd9yJvRfSkX7UDgKAI42_a.ZQMh.Z5bDDqXSAc95hUH2IoNO0YW5jGqEsJWf5BE9XoHVIrnnoXGJPiVjpweAfJUPeQkPe4C38_kO798F1Db9CBR4OuG6A0KN3k7cylq7WavCAMdRzj8wbaxZGnoyIqClY_1ysr5La_I5ETWMUsW8PGuXIpUVK0ApYIVsRQM"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f23a1dcac59c34';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\/9782531640?__cf_chl_rt_tk=kKFSxg7hzutoChNBNKq0dkCynPshHA4h_GayNUxNL3U-1739086991-1.0.1.1-ldNJjettFL2oFDcMip13zuSxL6zNps1_E2jIsEYR2R0" + 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