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-598289604230.mit-edu.top/post/0712463598

  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-598289604230.mit-edu.top",cType: 'managed',cRay: '90f6bf7ebd30dda6',cH: 'AnIPuc5K6JQj.6a_E2jvzCFKjZfjCUkIG8erAa70zz8-1739134397-1.2.1.1-EFo.Riw6uihAyhbbDFnp_lB5mkCCdVZtUigXY3GYBQc0iQ9cqMhb.VIJ8MUIW4bH',cUPMDTk: "\/post\/0712463598?__cf_chl_tk=C474Y4CQBLdfmkaxCrhrs2kj0_ESLqBgaMBs2Oa0KAQ-1739134397-1.0.1.1-b5GoZUyTfT3_lZd0wye_3Jbbg7nygjgvGT7_D85NU6I",cFPWv: 'g',cITimeS: '1739134397',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/0712463598?__cf_chl_f_tk=C474Y4CQBLdfmkaxCrhrs2kj0_ESLqBgaMBs2Oa0KAQ-1739134397-1.0.1.1-b5GoZUyTfT3_lZd0wye_3Jbbg7nygjgvGT7_D85NU6I",md: "aBUvOwIhoubadN6kMF_n1qoPyqZefldi433CMhKv2E0-1739134397-1.2.1.1-T6e6M89v27NJukHjoZJM2xedh1iQTIHldKqLRuNktOMN4ex8wJw1snnsV2EhVSgrpf65KWqCtYUPLKsfbkC.L2CW42R3m_KzTKmf4qTkwBTNSW3a6T9nsfwQl23EwsjBmWIgRU_k77OFS.qT1P1MQaBFDrhb8NNRIViplWCDUBwi1e6B_pR8NesEpjEsWIEzch6P.XDMCanUIqfWvmLTN21n9qCeXd.Vwm7ui_1ufXq4j0kKu05fAuz2.BgO7VjPCzo8H9BrtLXtmqdVfWCIvvoWABvQpoz6UJZpHnRfZ0ciCGcmWJhPv7Nms1jlAo0e1P49ipB.WIz1zEM0AwOvbFNuPaJALOBfLemDiCruabAA_3xQRa8uqqrwzDhE2jE_mWyzrcAEp79zxAbOyPMM8Bhj77iAwkRWTJL_VEAOS5CCqAmqcL2LXJeGFCDc2cXYxjD9rVE1U8MEODxuhcBzC1bd03w6YBYwLPeyreWu3VYBngPyhLj_k80L81Bx0VPizmdG3yoFXq620YzN9Do.biVwwOK_sadXPs3ZGvGKgcCEAkeRxKT5lbVM4QCG2PUKcHquf0hgOgqIqj.OQhc3FxvC.f0uWq3uSNfoeGp2sb36AOk387zuuVo35q05yzMDAb2JAzZtdh2gidjuC4f2a6Tk2CdKtGKHq6nsbscYuYOP7tyDPoDgu4CWXLdVYuqyh2NuGzOrNuVWiVdd1ZW1TUQIMLIrSWGBLeb1tY8eZBndSMYaVeNmEprhwsqlx808hQ4dfU_RIyZpRsFe.5QnLE.3cgQf3SyoadcFmvfojCcP3T0gp_5tcbqXeZdf3t1y2mU6nOF0n8lw1TZfzNXAEYBRiAtsdXqxZIytXOJbKVTV4INj10i8EU8jjAewM4vmxvYQd2_S0rrVHQbt3gwo6PqnmW5k6rKofFKNCoci.8I1ZM6k8IAg43BHDStDjfDHsffbmzB85vqLn7dS3cmhjfVWXNSYHzpW7Ml6TQp3t6mnNQjsLQOtlxq7RKhFRLBnqbbQ94Lh1KbHWE7sni3BfY2ZTacMEOFTMWr0I5yaDwQar9uCa0S8fUHSlXBh7HM2.1rrDNLS683GHgACSlIxyOlv8vUi_XALgTVQKSJcBEOyr2EPAmmXEH7Q7tCXTUxYkU3.pyo7H_kLNUnfwEMoBbCPNdSBJlMlwhpl_bG_qiNkx1hPKHeWlAIJkk_ABeTpdcNMoVKXAM5ePCzM0Hug5WWNAhA9sYG66ZO5qSeNCJiJbMuif9M2kj0p7dAlS5g.fQdz7zQL16ygGljuEGy11ngXrPhsnuWGseOUUMWN2B3NIJkGpm_0PEQVN9H8KPCc7sFX_8u12GlhOtHPXtjlPRDkIbMWh4DCkA_LVDDX_WXYjaBVuR9Fd4D8sbmcyp6MUrdVwBryWCtPhVl54uNIwhmo9XSex207haNA_8Y074eizUkXXzriClr9.YQionfsjBq0SclhIye9cd87he6VyCrgvyTAQmVUByDXvFXJ5vu39nK7HEfgxPmh0j3TQYxuvE25yuO19sZgLNtQHleyxI4Q8mMc9XH3rJYR1OdSD.mPFg613rYNpAxnRLczLiOYKlpjo1LO3U.dTAhKtdz35wSL0kmJM9uagpgHXw_jIjgK2ltyFtS0Y5JpzJGjb6_1emv.mRQ7x4fRBX_jkxAGdd5yZSBUD3jAwDbXp56EqrBI.2e5msGAi_TeL_P4_PwIoQJRUiqLz1kezxld9mEf32V65MqiGgAS1E14gZ8YbLDqsqIcYQLvPBQNZb5XiGLNo2IMsVorwTUZTPUjVGiyFgwhG0T6a8AvpjPu1I3qiZFGiqsMMoYthr9R6m_41W9LGYs0lLTBNSwG9uJ.HN_mvLuDwYU8lLeq2bBpwTljVOailk7WA0NSXDqCuBV_yQcBP1VlA.6udSWHS6gxSLXnSwSERci..hv2T0yJ1nkYhdn2MGwUEGSTMtN2vC.R6eRO9NaztODyxJLzceVXLE2QQgmP5dhzxh1BbbLvVP0zYdDAhf317frMw6lGLNeGYWtjsf2q._DPAJf93K8GKiLYXkt.xvWAT0kM7dnUksKr8913lnDhI34Q.jWU7zomBCYDXajJKzYsVbU6xcpJDVH9kVBsZo8T7QtOZqaMEc0p8p5cJGVPAVsU34CF6kooOzcaT4SCFNjYoolFcNJf56U12qn1x6DkTxpZpVVuZ1DF9lA19t864tRoc2K4GfWwlROt",mdrd: "1ieF0INxwMXNhFh8gNaOFkiMOEOTVoz6ZuJHhm8E.TM-1739134397-1.2.1.1-5Ww2TcI8IvY.dkB_B2SzbP7W9RGccGfUPMLhBc2zQxY4IPzF2rJT0.kmv.9a9u4Ph51WU8aE8wfDjm_5.EVz8cxa8kbOX1gBsiWPmcs8b7XmgLZFZ8OfCSWhOPXR5MG7p5_J2vXHbheYJ4BTe8.70L3akWkJNiW96ly0QlBNvla4yUv1sY8R1fcqWXyh9ozLQGALuxD3RudmaQ6cy0tnAv5.iO5k00_TjvDbKB2QcrwbHhuw06CHjUMKcpUJXcS52s0PgaMbHwC9sYnd9rNlcpA9e2VsmlxHhqtRyD9WC1v_0z2f78f18sfpWkvjairW6xzARzDR9zwECRGjmBMpr9LnG4wavr4WybzNe1mw4Rl32Vn.gI97utvrPBl3YvGTW2dLkb2i6YsmNboQoHbu_t.5ZSUqYVuU8okrkiiSg_HnyPLyy7JVTNn1GRFDz1kcWEqiPMtiW..IIK_6t8.a8DFN4Y309wXOY9zz8bQFA0UBokSyEHBpkvJArr4_leXx5Kdx8wyxyJXbtQBBYZpamN_ENVQ2gMYIOArWEBtLnRt573bA7LhoF1uaYWhOKd3KF.TKa2P5PFG9Fxevw92RiwiUU8fYig7JsPStS10CEpTU.J2af7ivO3grtp0EStaqCNvLWpsjV8CZX.K0lqdw9_RCZj.51meHy52zw63TOIxiEOxM3pIKkccKXN541shJEOPTYvS6OiNtESylImaCZQUCwXeoVFH5xgaOFFwADpo7I9VIsxPmjt3LIvl.Bb_igOoV1YR1Zd76yMFzw24rqisX.YZvVRkiLz0kOimSYOJ9hx4SrVlUIJy2mfdn6meTNJffTdJdNvTVvczBjJ1t9wvpzA_71_dXoNxMfIOCRldOD9od96wW0Lx61aTEqXXqKVpVHRs7PoMETiuT9u4sIJtO7xbZq4oVBt5_a4Et5P6KDhK5olWtKFb7H3.2URoOQlK.CrgAMgDvSXInqRwBy9mvgLG2nALoibNIuwtFRzVQMP7U8HA4pusDT2MIOhCiZyjusHaBJCVZC5lnYFFgrOq2zsxVH3_xvpqacV73rDW.ybOLiVS3IE93w52il6I09jdnNcqnKjLFxAVcDT8kFurSvEvd7vzKP.GB4leasciAY28hJ_tGKIL2KNCCfpv4O9oEw4Oyixy1QNuzieUAHfHug4o1jj5eB5K.l7t7Ie2HG4vfwGAmc4iTrzQtjGvDfuRowGtGpUzz9SpGO.7GeLSSxYkVBXhkpUDvkvNZ7PwpwFaj47THkXgPR33wCbhjIAG5obvqVW5Ka1C.5FFDR1NvH.lVwUGODyrOGFAtfyCwIhHd_MIBx8ECX_qkaKKCDBhriR5l.LUIkQQdqtO0LEXh_DvkYOwrZxh9cSGhwPmUjrz7hci1pjYUscJ8Reew.keesDc.8bgrTmndpm.wJFbci.df21Mdj2Pte.iRM3I1TXcFXuE5KXNEQkTAtOzIUHsgxs.yH972s00jqaMi_BLIaaA1CjQIzej9L_WtI0ACR5oOWVischA3nXg5Fn7k6FASWK6wLazPwhqN5tkLlQzdxRXJiMQEmRr0EkVLzebqQgCO.XI6jIPQislxfGDlM6itqAUTj6fx_a9hiyzF6_df2638kLq1iUfZdPcWv2ks7KuQsnOQCs5AjjboctYkRwLhARS4F9sgmSA9SI4qXh2uQkeq.prma2gZPTdSbfIia9afJ7FzrVuj8R6rhhjBk4BMxIfdQtK.XXnuxv3P8cQ.3UJbCNY18.h.ZQT8DA.hsUKUVUgZp3EorpmMszfp3Y2jFwXpMq_cXacSFFYLysGMqfPf6pCD.D9aLknikBuHYqnCmJhCVP1PtPqWyKki"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f6bf7ebd30dda6';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\/0712463598?__cf_chl_rt_tk=C474Y4CQBLdfmkaxCrhrs2kj0_ESLqBgaMBs2Oa0KAQ-1739134397-1.0.1.1-b5GoZUyTfT3_lZd0wye_3Jbbg7nygjgvGT7_D85NU6I" + 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