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-affr9ahvp.mit-edu.top/post/0624398157

  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-affr9ahvp.mit-edu.top",cType: 'managed',cRay: '911052391981c967',cH: 'LHr0YoVqkGngFBph08oJLW.wyD0RBABWfXgeljcGKdA-1739402551-1.2.1.1-dehljJ1xW.cK5DEG1RXN1HwhruI_zaQtKb1Bg_kfFctCbbjNF81ufQ34aME.maja',cUPMDTk: "\/post\/0624398157?__cf_chl_tk=hCo3z7oMVK.ksbST3t_x_2_CEYmGtmtX4LSnue_75SA-1739402551-1.0.1.1-odC.LBHRGDVRZYdW9dXMbW.1D3xnvtoSNBFcpuj2_ik",cFPWv: 'b',cITimeS: '1739402551',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/0624398157?__cf_chl_f_tk=hCo3z7oMVK.ksbST3t_x_2_CEYmGtmtX4LSnue_75SA-1739402551-1.0.1.1-odC.LBHRGDVRZYdW9dXMbW.1D3xnvtoSNBFcpuj2_ik",md: "M0h6AfWSu7KHlP0V62Hivq85v2PgYa63aXRLGPrKTKw-1739402551-1.2.1.1-mDuzeTxtmdaSP70ufGsAiyXJNPAEYG24nLa3sJLmlpBOHoOZqjXYi1sCfv4ZWoajUf.6eeHMuut1eAg3L0bwsCWdBv1dV.9GWdppvec4T5vqnXzD2x3pnXv385DzsY03Hy6seS3giu_aGfezqlGao8K.ZxoLWGCkogODwP478yor6KcxRTA6Kbw.uq_9WzWndn_dALjLIK936_vBXb7vbptF1cCnmBp.uXgGr6_KULMbQcS0DgGBcT7vrB89qij107ia4M9Xu_QSyaPyC.kP6oA4PfuIwAlWrASVbYSdOY.Nat9AWQXQOhzJl0_J2sCiwgIE9ZEbR_akq.pDjNHl5_E2_xlNhTsDMn1DZGJbDmGJrI.nZYuER4aKOVQgN9x8CV4q.bjqi6lyKv1efuUGIW9NH._c1nT6lOyNZr_pQ85N7iXsW3bgp.JajaB9mA3dqEUG.jHSZ7fQyZQDhvxK6XlDy4AvN194Kq1sHQIahi1XFMXit4pGuTwCH1SteZ7Ox49X8WYt3HIrdZmG3QKvj5Ak3LYvhJuotJHU.J.fL0AOhy9Y_MGl4H6hCbxHAnsLnos1204vPiABEaFcihgIxbbpr4C22GwhAzznNW4uR75TC3jGGJr8ZTLSC6xMApvjfI76u2qlD6vNRSjqncqMeyBpN.7eRB05uYGR.0XMZ5RlnY1uVUpZdETz4zo.z1zV3SFjSVuWkNXhzt0aH6m1tXpm1LFylddKOOk9xF.vQohoX4NavfoOV9sNzkYt3xIAURdeDLOEHMkxH0MoJ2Cm.uyn7LO.303EttjDgp3wMy30NTk7V8r3TMDh0O1HpyVkf8IFoshRXZne7.74OnAKgAqEKG7boMCuqbwQFDces445H4EFOhlk4o1bSIJYAUqALakRDCe_UYFUAjKqBCdmIhQut9ex4yFd6rCAE6h_qzAQKX.3QsH00LOES3IMg0eVt0mYMdI_j.ItaZJL52Qc8sLMDPXMNP_.zCPkNH4uucl3mjemCA_b9RtEuh4zppnpYAnDY1_dk4lkfzteInIw9bH.YJ1WRDb_.8JkBjL.pN2yWbqcMMzGLzL329.Yg3AAOLfBsHAMg51iipak3rr7sT4YBj_.s12iX_dNLbUfbAcgR5GDw5ryoUqrC0NNLCB19u3ioT5iTRvyHNlbjr91tHfackdDT9OVzq5q2uOeK0PJvsonFzw1kYVa2AHmrl49J71YDXloWECQLbvBU7bz6sbJ_opqqvMl1YVWdgL9eHRp_KAfJvORyQ9gkARzHXETx5fit4y1Icz33D5mR2VuPv6KTHk_Vpay6oOo0N0zuQTe00hGkhimY.F1cP.YE6zk5TPRBPJHt6yDV3mkfd5rG_azST6heNsDbEOrAalxBQWm.W71.DsR5hVaIAj.zuMgq9lRgZdnahjSj256JX51duiGCMxa_WwaxEyNxspSw23M7sAKvz2JuwheSk9zk4Srcalha7zw6iZjfmECmZY_5pWI.VISYe9lnMoy4j.XjlFz5clcQX0XnOM5j8AMTfwyMtMiLt9LBOvqte9No9_xtdK2QApFZqOCH5QB5z7ujNl6f2zMfcYTA4CuICzO4x4mTmxZH9jWO5JHga2txIRa7g5mq0Afz0bDrU6Jv367vU3XWqPTYaE5gqZbXd_rdgWAvDFi3xAtYk2S1I2fylkuYVTyywlwzFf7WAtN_jouOYhoqN19naYXOlU71R0aiIMw_NNSd809Jnh4LxOGQaLcnE7jNTuO3IJ.pFPl3c7AAiHIc_2OiNhGsTg9iweyvkitFGmLg2IrBfcgIR7PQkTM2cVvEyTnJV4pjmT8a8pOKGVNC_lbUaVdEBXF8eRPAQsDESgSl1QbfjRrotEvlGyUEiprR_HTXS2l8gfXT.sEFmx1zLXVx5zaSDqM4vXkw43H9ff09S9w9PkiMJUSJ23FcrpqdIp2CYtJVk7P4b7Jn.rqGN7Wzopp7HxYcN4StL0prjIPPuJwdNGGOI96z.KUs5EbhUKi2fpZ_9Odv1CwYW5296HiikTn5PSAIKnlbEqSjYla0EhYWI32CtPMXHlxGmpZen7Dj11YIElac3ip6jmUkgfvyfUR.NVLWxNC_FKxYi1uFmeAaq.JYCiM8y1cHXvbufUc65_Nh0gFHIJ0BMc9wA4ZeJMdd21xlKkD_7AdmIEZF4E4JbLK6IQn2UtFGrQKjZEDDZC0dAvr5WHdzcIxqhnsoLOt.R7C4I9jhWRK",mdrd: "jyQKJT8l0TJuz6SW9rJVXCSbPzrrkQuijh0CTz50q0Y-1739402551-1.2.1.1-x64pfuNsTpPV5_Sey8lR0pvhAGTmmoHHIGeCLhcvaqWyEp0TAl13wCMUKY9tLZ.hfqWDzwUtxpi.aoyokxnGH.EueTqHNgyWA6RgiapI7gWcM2YwiGphWl6pdaht1so3XVePq6biQezYvqZKagxkcrxFa1JaZqU1MA4j00tvBfn.ChYqSAnsDe_0zSSTvbym9RRSyFnxyMyBbsAEoVsZtxaMuJ.AsGMWnK7VdE4HmoV84cv1f497WH7WLchIqc2h562A6LnUB8BlikraDujUP1iT.YLOEJ_N.mW.RqMdaGoYZNEpQS6UAn9OvVPi2i4hf8x0LLSVJUX2gJ4j5zykUHKDYbyZ2jv.abCMfmPFUJMu_vnBSsZR3B6bqHMA.F0ujK_C.QRSLUCBHi1tx7R4OpJetSQ0KXr.iyQOtVuHvaZy0zqNbzCqTb5eCUBZyilhiPKU28F6BUPwqvDUBgYKD17z6L9tFYjjszPi_lb3HcA_mkP70q16m9R8GdeyfJn9LVuJkqeipkebmM2fKSP1DUVPropTzQSE1DPYdtJifgToKFJm3YTcPhelQTYu0elrNrjZs5rB2tQmuXJEdE7iHZYXQr5XXNJBQH5X4pUIy9C7z6Yzuu4XsjDton2dTSYPDhsS5m0LY28aniBFUz7jM7bPPJ1erHtRkXhqfHGSUnOrpWHaUUx13Yi3FKU.qSb35y5WHj8X6NUt.nV.xwzgbHRLqWioCygLHQw.hFOMHT8tiQtIWp1MYJLHG7k_t6ERRl5ELekAJH_KZ_EoHQbTQoTTc8p6Tg_o4IddrExEUUUqnPwnfCbkH1_ifx3keXv0bsATrBJN0MfsKjDo5awRF3xSBzfDUSNZwRmJF3MyJe9DaWtTOzEk2OSPFPvE.8Um74wBQpcLVVm6Cq11Mlj.eKH1l.RsgIFbExqBZ6UqDPG4r2abijpvbKRhb9FY2Qpk6DVtCLvLbdeHvzXTAj9hFIYRY6qiFKUbV02MAeEkTQmHX1lLz_JfLYomWPRzb68Z24F_SMX_xmyNSAxbdMxbmQjPKKxQqYkjP0pC3.tN4rd1TL1SM7RDm7b6EvF2daAiw_lkluYfcW68QMJH.Sh06EOaHOQaQ3sM.i5Lv_X_1G0itihTef_4yeiIk51sRmjoyxBW4n.Tp6HAnxNgJU2XG98A3Exex7yzPR5DX8Z8hGI9Crz6LfnerQvubYt7ciZez9g4dJtu80uR3Vh0IRRWiRZToziR2xVZ2LlJoXZ8sNn28jC8ifAoLV0F50l36gt2w_VHXM8xXNdRbOsj7hJnFkp9Ei8bF2vcBNlExThqlGrhmNsaUjFHCIvB286Z.C6rWw2734tyaXDFYhY7YS4n_FFA6FGJD8dzkswAOXUdYot0MmwCnENluKAdkq4lpa.L9dEM023gdCkRPBo.bIaXaYZeSd0Wf91kQkCY6ZGrrvY5ZhtslXZGZ8pOCN8wjkYLi3pTmq.QUElWdZ78fCCVa0AFnFZF3VN0hqa5drs.CMbkS3Qe_plcUu7o_wY0KoBexE1IMrE9L84Ptf6SLrW812nHWz_Y4TkjZqT7whtI9on40kXjo21.YWya.DXHpJ9njZFyosU3IQaNuEEqPstggC2JOPqA8644hFbmEJZET2q6StwNNPbJEUxIohR7cXUsxXMRAnkzcDvpf58AtmWAt6_8sUZxaxsmpgiFeDoQrKAq_PptTWLXJSsyOH8X0rJLNf2z2uCukYjwrJDbbclwHhu4.oiDM2fn1jwbpdEnbcw5HKYJZXmazRG3ZwLxWzG8mCr4l5mHDm1chcGdJb33r.ZTSD4NIuPpLLrgkDzYW3A"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=911052391981c967';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\/0624398157?__cf_chl_rt_tk=hCo3z7oMVK.ksbST3t_x_2_CEYmGtmtX4LSnue_75SA-1739402551-1.0.1.1-odC.LBHRGDVRZYdW9dXMbW.1D3xnvtoSNBFcpuj2_ik" + 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