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-297979560655.mit-edu.top/post/1295647803

  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-297979560655.mit-edu.top",cType: 'managed',cRay: '90fbd6e8ba2d82c6',cH: 'S.57dcSg0MfR353SQVu3MjkJkr5AuI6ODeey835exO8-1739187785-1.2.1.1-n0Zaah6CXUIr7hKvs8YWktXVCs_SWJXxrP4eCJ72wHGsZSpjr3BvBeHYCzSMSnvd',cUPMDTk: "\/post\/1295647803?__cf_chl_tk=LT_t04lP5dyVEhedOyFNQ_6QHLt32Qo_G5jo6iZS5vQ-1739187785-1.0.1.1-dLrOwz6Q5VpdCeSfYraJGZaei1wDFVcu9Q2KBtZlox8",cFPWv: 'g',cITimeS: '1739187785',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/1295647803?__cf_chl_f_tk=LT_t04lP5dyVEhedOyFNQ_6QHLt32Qo_G5jo6iZS5vQ-1739187785-1.0.1.1-dLrOwz6Q5VpdCeSfYraJGZaei1wDFVcu9Q2KBtZlox8",md: "KQIbzIVSTj62wwBnzkH8iDYXhklNW.ZwgF95pDGcPDM-1739187785-1.2.1.1-zPk1kto6DccEjDbrqd211TsToZ7YrsHz81vNndYvl37MsglcOj8npMlL_V.gyGaH3W9zIFJp6KC4N7mbosOwsr7gCAKbGkxxs8lA.5bG4ot1_Iw5alsis8fGV01Xx2paqLO7Bkjw00gx8IrImHTPAtTWmflNf9BAg39ioBKyR5qXV44QLwaHykZQ1zrZWoJOSVegHVU1lss3Sn6.nz_mHPI5bxazWWn0n90xt5wnk4pyOl5tP4_fFiVTBaciu8CNvcLgIotpd8iDtEAGd5fh7T0DoasUfV.X7pfGfmw_fU09RPYSiAqhahXmlITnfWGykcWZgjH7hC2KE7n59SesazX4.vOu_.9fTG0ZokAPVavygYgT2A4Tq_fe_uLfRnmtdXPaKUQto6B3Jjd0D0fmiGeOot3k.oFnjgp4_ulktB33GokfX_111Obi5N5oUUwt4IK0zYIOqD9LYUuD_amWeDCk3sRit3GSLltgPiS6Y2G5aFMoQmdN55j3wK_e84.sbkwUQTEkleGuinVI1O7Pvm__8zXUahhoAzu2HCEC1pwAnO6tW5Ps9l8h.trWfuuAmb.sMIQW3LGmOcudcMh2DwZP0gEYCfCgJCjaiShviDj.bGPrafZP0otsb162H18EhwUmRfGsxoSo4.nUXdkJvX_b.L25B1CcvYW7ZYrcdWX.veFsUc2JhQmmPHMZbeAh2Tm0UvCZMRIlKaYzUyw_yH2NAj18rGwZ9Kv9r7bSFTuxcRq0dM31nN1wPkAJNYSCwdXuHYWZNI27nA4IQT69Oudaxs.jFhVbIqhLpjaBsmMHQUsupk7fKBR0DRhy0wz0.ZDGfZ0jppkhuksojRksjBQEVCWQQKDRPubPGGeMPjiXH.iJFgNHojuPWyhTpvKfr96w1rJjKdm2EpE6hy4s2SaK0epliixrRCOXZRsN3UzlT9x8T3gUDK8iyxlisyZD9Vj1WqTsCWArMVk9sz_x1FTu_wPcD4SuBPhlPVclBi8nJbP3KLKGVCZtcOQBxcS7M48zLRiFXFGBCU1jLQnXiy0lnChDKULJF7iEknt0yUFWl8iQZMFMrJNiT1Lyup012f7gzXUYkqrhSzHaB6QmNXTwY3kT4MgkYIMGn_sqGhG.jYo2KbHfmfMfPxlMZDFdXVzt7kzKo_AnPVK5cFphfZygsv4icNoFBDlg5.XdsVC5VOcmDNXdYQrFzH1g_nhUhBype6ICZFxzrkbTX5hHq5Sp9Lyf_TZ2nDBbZqIu.gQhAPPmwMv8OKQI.j3hxb.u3KWEFoO8rGFplfAKA78FyVwPmDuHZGvOevrnPYGphc3NAD4_SrP9z1iTbusuq.KOSbhFh28MwzUem.B2pYXyOaA.LOn9wxblsvrgY8EAXZ62aHTfnMZccQ.X1VLpqlMANApeBYTxz0rBYDRiCJJ6pT4vXURVlJQzdbfJdLlXu36q2_OEd1iNmv3oztg5jlr53u3EtMyoUl.5VQ2Q1YjFd.1pLMvL.LNajgPIU94Y3DRg7.eYarFDy9W8qZuTmzqJGRifHtSC0D1Yt0uQn8blLuD20LxwrwZ2yYXC6yWePCiQLkO4YTwXh2AdqRGnFAjZOLIcmFCgZ0OZ4SRAkqdeXZ_5.eoajnBkD6Tq9If.KINoF2vtWY86ZuR113.s0kPzmtgzYnGk9cQWh8tr.IYCg5RRXnhEK94nYJbOV5DbnR1sKDOna8609qcXBoJwqx3o68fxjlYhSltsv2A34OJ3Yztixd0dO6ARjD3BxDDBPah5dqalQbUEw.lNitcixYG0k9JvfQOY9SZVh9Tq1EIF_vizq0iZ4vUxSs2eCbGtIZlrVaged8RFMqh5OONAe8TjPdG2iFvNWPq83yZMG2ZinPRoPPTLzranftii3W_6A3D4fHfZ8KYNpFX5L1ZU_Cs0Z_UuzNtpL_fFindLGq1gK4TcPZ334xHz0ZzgiSLHBCpyfuJOEBXfS46uNFPjRRLONvnGvAg19R44szTU53nDcNGBoYzShYi0xGI9Ua.w4bs1v9aysF9VF_NQrvF1PgWl_IuR.IBhumLp6r0pPwVL5rlu2IgZXxNrJxjmmA93zqviqJ4xT62z_kqXO1c4PUf3_jVUWD8kXXMnOyOGESuVfZu2kvW7m7qjsktrVtZxkSuoHyG_XXdJQ6Syofw5uqDKcUMRX_LBdpKv2JHDWop64EFjStT9jSR_gbahdJ69u6jPNIEjqxqjvRTyZlFnRWAy",mdrd: ".zPzzLjt.p34FiJVdeadee_aNNqzJi7_eFhYtQ1js14-1739187785-1.2.1.1-T1MkW8ToG9Gugp.ZCj0s3IH.W94v8Dckm11rtRMKMNBPBQ5.6ReWZUhvhIR_xR2gEo1xrvNsnjBB69VWkuXXJCKGtaI.TkhP2DEMJJTotLtbAWDMflQZM5.S5h89xbSzc5gnn9.rtIq8gafx9FPPTEKt61mr4izpknG9AJ9IbeoWYfRnFUj9U.KTAgASvF31I25u1ysx.IgmdOiLH1Qk9elt6PsU.YQ_Hj33KzVTa.m2IuPRFnTfviNybrDs29e8lb74eWDvoTmUyMt8twhAWdLofEdm08n.LsnwDUwGuQ4v2bwyTo9gmwbUPvtbGcSOKne0xJA5LCQc4KV.cN0yaiFzM_VUuPvHHB5xVSj4njuiljkZOSjsHVEUN0RbgA6IyX3yKuqtrr6qW3_nhH2ZMV7fBHPog1jQVtk4pBijNBai.8BNsPmOvfJi_sEc6QitZi.AeskbackfymX84bQi3BGI1RnerzD6fncBhu_FrMJiIbX2sNBTFAOa7GABA2vKDYg1NM55ax17Rzio0iShze65mmAv9kKsv3NYPZOdyVTtc1EVQ3vajIt8CSoO2sQb8Vzfjg3T_T3cbQYxU6742ix3N00TBtoYUMwvHh75MV.LYL3n_U4wzFgj2f_AwV8TsmssNWbnXSA7mfwYOL3taYI8T.MOLnd9JUcdx3tKayVcEvAV5wo7qnCcy.0gkW5cUPogZUfL9uN0U0skPT8jfHnbdORB2HRR_5QfvrV_HHmMNz5c6bu.gFHacX21CyOVrlslzYwXu3.P0FzrMoSf7Nm7_qdkqobh2adFI2s1DstA7L_KzDfwsu692w0ITm3J1UYvVxsls7P04zrSCbQ7iU6pHtbbniCqXmfFepEC3YpV5T85jujV8p13vo8tRnTCFKrl6lpRKGmcxzK9xHd9KrtIi6g9vjVFYZhHbZpsPeCCQcnvndWS1.qjrpi7tZlOxutQ9pJHfEr8x1h9gwtSqUqbL51rbPj8S.JoxvpPKeCDlG.e7IZjUrR1XGD65yS_8CFNv4AN3lN8TM6knceD3i3B51Ye5kaN7_8I66Sx7IXkci60DZZbi57JPdedX7F3u6SinQjqV4gykCXMOog2e5RYmZ1hq2TcLcQlt3YdJW6nZ6W_9mbkp2Uw8SkIRYvmbSGJNYX3TVoxZqrysM33q0pNFdbNNTaowHa8sOMkKgqrkPCwr7MhcyI3fB3fVu1LJeUz8fEfsOBOuoX18SBDIMtXOe1Mm4VWHoK2CSqU9Z9afjkf5eJE_JWPjJcf2PHiXGI6QfIqw7_3dUzSkAiRi0y..U4hqrcXo72YeIkfn7skUMxmG3LQigUohBiAZUcp86vMa4fnj9WJ6lC6tUAJhGMtoQhtz1Dpd7QgtE25ivvUvXhOmMRWUAPVQtaQRPmVoToznaf6abxGdUFF_VeQGChP9Rs0wsLrAVjjgby2kJTJ07aFGO3RHBY88xccPaeeRACJSll1smq3LD7YnY5.2YUDBhZiSpOG6tFae.hdcyfRaRfUfJvkOosDgQAsH8nW0x.87JWVCH3LVZsWH2b7qMYkSWGoycZSh2uTeVI4_tjWwk6wjsZwpRK8sQnVB0zBOWGeI7yq8w8v85YVb8bebgUK7GKzc3v_LyawhrBpCu1D8kt0Q6fXeZuIPD5Tdaml3S6iyp7skVCXoRi5EZyXP3_yX9QjPpCUP4KQmQ4TeMqTQp2oVBvCyqCat3gJIGPjTr3OCFSSGcgPsU7LVUSv6VdOaMbHgngKNlkHjsGNSyWqcdlb0Ax62e36FMpxuDVRYcJzHyF4hmPzYK1srW3lJZtlcQ8KaOqH.ZvDxt_svRY"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90fbd6e8ba2d82c6';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\/1295647803?__cf_chl_rt_tk=LT_t04lP5dyVEhedOyFNQ_6QHLt32Qo_G5jo6iZS5vQ-1739187785-1.0.1.1-dLrOwz6Q5VpdCeSfYraJGZaei1wDFVcu9Q2KBtZlox8" + 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