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-001055812716.mit-edu.top/post/4190628753

  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-001055812716.mit-edu.top",cType: 'managed',cRay: '90f43d5e2af782e0',cH: 'tJ7TITT.4E1784H_PcmEIlTh36oAXyfcpb6IX.mGIHo-1739108095-1.2.1.1-XgeSNSrWAtYhvD._RY_PR1FKk9eNYET8OQiQidwXBXacExYv0WmodPedFpBvVZyU',cUPMDTk: "\/post\/4190628753?__cf_chl_tk=P0MQm7Nb4i5kvVLG.sKJeN4wrZAqOsdGKAhxXGHj_jk-1739108095-1.0.1.1-KXk4LKFdPOFC0u5.faZeYBPYwpnyoOiGM.RC3YgorwM",cFPWv: 'g',cITimeS: '1739108095',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/4190628753?__cf_chl_f_tk=P0MQm7Nb4i5kvVLG.sKJeN4wrZAqOsdGKAhxXGHj_jk-1739108095-1.0.1.1-KXk4LKFdPOFC0u5.faZeYBPYwpnyoOiGM.RC3YgorwM",md: "BVVpXdFmpFveLeyqgIim1MkcRIzs16OFhHM0p2T6ATQ-1739108095-1.2.1.1-wrtLKBNKNISxxlp2iFfjMdQIoiHxtN1CGYxG4zAe5._FpWcSNB7wdOE1C9HF0OE0vMgcBSn1OIgRhA.hehmwI4UXtS1EgRX_IY7Cv66.8pFlWyrPGSbFJH.cLl59E_JGfqB_iWpyiNKh2vtO6yK.p4ayX_dDwL8.E7lnig72qxqtZG2Dj6HeO8Rtzk8FyNQn8LK_qnPetcTR2vfu1BNlkqnq9sTbEb.zigJEtXy1ckjSnTdGGQDG9D_ILTKhp.jzz0q6w0Yf1p2.u10FeuWrY3mPHvVJaDxLJAS1osoz95etAXwbPWBsMYkO7l43hkLQ82FZiN5zs5A.rQA3bakD.N0lESzZ3HUMD9jEPE83O28rkSfUVMtyGv0vqt2_MZQaoQBCjjVhgWgdFawv4J7hcFKSWi_cH36AjCKKHIBtXP9VvCslB3v2ohRSQWpALyieY0tqPxr9iIw60M5UNx1UUdplpb1ETxol0_q_M2D3IGcIYV0X0AIM0KjUK7WXHf4I6KKz0Ajd4u92ouRPHOnvsEcNwT8UBCwGeye4mfin5wm8eDERNBKfBdkF.hIXbClTwEdtRVdIxM8b2JVu8uvMB31tq0INdV_M2tojfWVAdUF63sl0MO_z4gX9gQON.rWebijxd.pPMecQT9XK3BY7V1NrE8FH0wLROd66cUiWZz2wYKldeq0NeJPxCmlI8J_R3ccS2.IUrwLz9QSoao1bjSGuX_J8iRcH_nw7TTTLQ52eLy.U0qUq1S8v7xlO5_vo0jnZko3ZWDZAIoQiCCbSapyiopgGUncqszdUh0iEW7keX2CyNNH6PXOxw2Ft3dzo.oa6XTxqs5zChtaSi7Fj0tX1JtRpl4QBmUFQDofmxyTz4A6sQhNKMdn4xUw4lB4u.d5vp71frriWdrqDRqXFygnijQgF6zQ0nF_n9M82Mt0ZH9AKqcTMwKrCd_jojoLqkRR25LZ6Z0ifa173bokOsOpNp4UpF60u6_mqUGJey50nRiNXz8MH8PagMhTgiI7slmxxFc0NC6y0lFoxExjcniWqXrTM5xmo_Gwv9KSscSu2EWz1kCfVUjHug27s8sX5K61TuDoeqlLMBJU4x.w9H2h30sQgrcBCn3k_CRkDZjR2zZMnW0NuQQo_pzL5b59c6IXJkB.K.oPkhwk3J_7BTiOA63_oSO8I2.gLkTJ8XEkaVY16l4aQTNjbZCKEgKFUTNQ_Wj9Zy6kBeD26B8CxDJUaOFKfpR0KzO3wFz0w6tY92Zrhc9x7I1y8RnM8w0J_CL6fJvEXJ3QY2Njudcm0onUEkKu_ReiBPdq.s8V8iEfPOJcCqDpZq5cCuFSe0Suo8qjLYftKIN9p50nRKl_WLQqsjrur515tFAmdZkOtIZWUSRGkQifPGtk2df2RK05I9eAMZ8MJhtU6MWXjFoH9yqp16cxxDn3c_by10Jk7LC7.wc4j9LOz5cRT5f.KUEM7e1gFXVCtaZeEyButEYx9uUD3hpYsD_WaGeEx_TiTVrbMloUEH86p6k183ZOHMdd5UNMcxT2ZROaqRiX06Qiam3nThK5irWqJOpnQ0tf1Il5d.YeavgBDch_1cQ_.VWa8UxzN9SFFDP7MwZZSywb5YW26nAVsLAIEEo.ZwFH6arJu4nrTdM9JsjLWVDbHMirRmRUkjwD3x3AXvB35lO3BjmAzqwjcHxFYuSLZUo8pWqlAxdPgmUVuHdFxqFBJLMLXEQ7U_3B5RO9Z2.mz_nR8ADNks.KhrlKdMKN9Tdj1TgJ_8O1Sdj7tnzRMqdV6Y1fEBMpAcwJXDwZG0RCL.i3h8f1VRuf2f7r7TqHMxZvmQfGepGKcS6xEhuVrZ.OPqpuOKOv_0QjAEsHGdZf1UoL4H0iWqOVz1UdhJ5AGtq76c2IucbSbmT9gdY9YSRHg64v5HbApoVXFUoDI3NN6WlD6O3JBdNpL1PtrrTSGMVCuG14u2iacavVQqGEug.0tKZLykBnzraGnlJlR0tFbZsOlzw8XFknknEh_1H4FfSRpv4swEoRJ_XJABzajoBmzizPS2qGKp3XFFPcXXU.3TGzCcJxKjb_v7Y2oEocfKwDqK2iZJr2dDOk1KGeAXwDy3mvSH8ecFOUDa1hTzLxt.LZRKDm9yK1NlCh3fHfT2T220VdF.5Im4DaW1l_jFCzm0R2hNWlSN_n8yia138Qfy38c.CKU0sZzIjbc1QrDB7AO1wx07V5OcyxVL8b8VYQZ9TO.",mdrd: "acbFQQ2uRP7.LP9VR4f_POeVlqEU_G4F5viTUp0dp4c-1739108095-1.2.1.1-VNhwrOfnPcJSqcMFwxr0gKGwg1F9iSWtZFEnZaWEZysrCF4HkFYgvh_E953ByC.zwAgHKTdcc1DdyoZojZqsPL1RfKype_GgjXjoKPbMWPkyyblhTfTlXRNE_NyFDC_0M6.8wU7QKBnbNQP2qE0Rd35jM5TLQbQS8YhNaYVGp.Uv_miWAsvDhwL5s2XemcB58PaTAx7xfGPw0AHdGKU4oD6FwfEe8oWJCEfaQ2kOLgU3vC6TswPNa2yryt15nt89Gib1j2KR5Y8JJkPvEJIk2Dszi9tyJU9iaa_9zPkSr722ibl7eFlVe7V1GV0Lt2nlR.lbNX08p2Ae333_rM2gr8NSLTXM7jjeqB3N4KUQiHMy5m.tsXbwsgMXRrbzYvo8sR1mqyi9vnzjRjpryk9u6r20YAP5GSNjm82NNHLs4yFrb2kOFUIyCSq5ET41nECPe3uxshfOnHTLF8epn9raiVX3nFGburNXdzyP54mrUTXKt_zjL_tumkecjjfjeydbQY83qKKKVJeUnVrx3HJq32cETfNmN.RWhEElTZWuaTcuDCBvD2_JcIsRFxHui5kYWmei8peio.sz8z4ddvBwdZwVQEYxV5ijQGbtKY_pYsxSXFf4a5581F.EqhJZA.YYsA2UlhacBlRrwhB4ppBVvPng9qyAaii9mk54vFcfN9Ez2YrXvs9M_3gfb373eFcXvas0vykJqQ6sU2uzgQRzwnGHDYWI9LHF2ND1k_KsG4zEOuG9LeWJyTNrHhWuVSC9VQRzube11B0kloT5aaRw0YHrELTHuUVTDU16ZaVGtRtSallfLyNQwZ.pmP4Iw.nrebyO9QqINJXs4Ekho67PN57ydsZ36V3e7BbEiRynWqG.1jxx1ypI7boAtAzOdyEOzPTn7U8idbWhF5Kvaw9ZmgyVRIZTaYjp5b3Heq7mxQerkARCxgHEt25fCNoIa4n9RZBUXSHCqIwcqg_zioE3Ej7KjKAUQ.QGREGDbimMjn9xj7otlCe6lcdIrwv9XJzHZuYtzcplQLNxUauKjeuuiHvdsBv.fAapGO0K736I1cM0PQwNavC1Jd0OckkAvnzyyTHk960Hzlexs_n67oF2EXyzb8UEED2DNPg5jFfvQlSOQo4OQSE2AXzvcBUnCcyhO5U_K8rAgxznmEm65nxy4m5FOMdGdkEswpF3Q6zX5GI84FmrN8cMAmfWMvwYYTFlMRuJAz1Q6gsCUq9a8rl0_s9tF86XMHxPwbO0075j8YyGOx97mQotbnayWsueiJMspxRzDXA1FdDXv3DKU8fsOQanTtLy1Zzm9G01diSOKXGwr2RAmWUwJ_hs8i_Dgsh_llY_h.n32irgQA1IrhkT.Ksjj.AFq7cn.FPY5Lcvq8Od3EaxXUv8a0Zoh60RbzuIS5KBOk2vY1iBGjCoKwry3A1uT4KbqvCVfpSnOCac1LePDF43YNynHdjvOl.HpA.6.HSJm8lwSM4jZlE46IDM1h1oydo16mu9p7KTZTqvu2Fsc_vYxyTJkXFjBCwO9.l3Si4VbSwUiBzzA00NMl_A8Jyc1kXRdHXWZx69i0_1sTb_LR5KanuvTRd1D3eZg3HUtePCAHip4FZzR2QGYHbvhNfKAAnUs3DyZZCSzgpzE2DwE0FdOTMy5OohEMIObsna0Cm9QaQ1dUsMvn2P13GIgJPk012rWLQtjjIGvkg3MJ3zIxVAjAhJWToicg0qcycGgRC_Ng9cAanWNB9MbM.0SKW1fMQFr.vxADA41f6kPYbQrWFxy3RBn6n7ThO.qT6WN25HJz3n7yd6Y9vY_wkpIfXFT4XeNOpb1C8Z0pfm1gY"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f43d5e2af782e0';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\/4190628753?__cf_chl_rt_tk=P0MQm7Nb4i5kvVLG.sKJeN4wrZAqOsdGKAhxXGHj_jk-1739108095-1.0.1.1-KXk4LKFdPOFC0u5.faZeYBPYwpnyoOiGM.RC3YgorwM" + 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