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-aff5d15zj.mit-edu.top/post/0167538942

  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-aff5d15zj.mit-edu.top",cType: 'managed',cRay: '90f812390c7c5776',cH: 'znwUUNUFmHcSWv0Hke2D1O_NVkKewidmEsdvjkoXAuc-1739148271-1.2.1.1-3dIEIYEYM45U2svZ6ePJIKBmzFJ2Gk3okS20JMIqHhohjIfvYYG1uBbexstnY3.d',cUPMDTk: "\/post\/0167538942?__cf_chl_tk=XpxlRR9uQ.O1KZUS1aM3GQHXM94ZrzbLZAP.bUlMxxc-1739148271-1.0.1.1-4Xl2R.TNKRm0B9jh9R9NmCubO54F.h6b7LzDJyJEEY8",cFPWv: 'g',cITimeS: '1739148271',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/0167538942?__cf_chl_f_tk=XpxlRR9uQ.O1KZUS1aM3GQHXM94ZrzbLZAP.bUlMxxc-1739148271-1.0.1.1-4Xl2R.TNKRm0B9jh9R9NmCubO54F.h6b7LzDJyJEEY8",md: "Z.yP_ZU3isYKbKxE7aIaUZgVJf4XZQr95gUYlRO9xEQ-1739148271-1.2.1.1-iSyy9xTTeMQiJEGlPTtYoC1Kndt4YEVMhAkCI86kZ4gEa_53YpbzadSErhJle1KQpsGS8btEYNmMeNNC7juKc.j98jDZlbLsnloFZbI8Kg26Rt4U2SOZS4t1YULbDw18cDj9gElBgJ6wlNgKnNdGnDm4TCGai77hBqq0FSGEkOoL9jBgpyvc9hezit2LhUz9hJT9o22cqVBpSu5v.uY22Pyg0B2CK3V1.3guzhOp7I.XFnwJs_dhjhpgsBdUYDth5kA29A.U9vPdadBlq86SFmQEaqNZln3.RmSo9fw5ThXjn0A9ivgaBRKrmQWeH4xOnewVAWJI9cGI4cjSDJsew9_PF3sp5E1Xd.rXvzLOOzFPIdl4wknf4.Vhi0EGuApdOMUVUUUiNybD0fYeBFJTIIHhKEZQcviHJEJXHklfcm11LUwAAONsvK7fnIUKbJ22v4IysmJ0DlAYPuoiCmchM1zig0FEWnav7l0mQJnk.A5L37Fh_mMXJrvIDXNtrp6OilMtYa3JKxCPA3_F8cyLzswUxvXdrSLR66RV9ujpCyLEuG3O6PBqOuEv9DoGoRxhzBEkdBi.PSJBbW9cwtleiMkwjwOJfrhqIfZjX0o82FnpzpPUxcGe3toqNkL1Iskhx7ziv9WV0Ef9dEWYy324xSbfgS8XA8xgR_tu6PTCSoA_xJOcyy_oQ9MbWVlaZLwxnqB4PlkaqJxghA7c5d4TPM4VRIzduJh.W8QaWY5lByGJEpSqQ0yb_E8chnEZmPGnBQ4fY.XRP77OT_CzlbN09r0.jhKfqwdKkxc0KCIivzqguh_paVuIPXq1cBfvQnDevLAmxUSV9BETmeQMLFSp8w4Qphk1Eau9R10BR7OzWSAFsQbyYAD9jzeNcuFO8MYQb8OUnGSMyN_1g4UoQDPszwNb4EVIYUJxKjPvEGyGffRfeY83z8v_3Q0N54bVxBIubkP1RDucxO5asJKelxYxHLeovbN90NVlU7NjMt5gr8_TnVUC4uk7nFJOMBVRinh37yXo0Wd39XqwQuxHIXPsEXwtmSbG5yvFDQaqwrn8oz_w.3iKKDxEJ6.PdXmJyP8WeHmHfZoGUPCQAY8lxq9VPZQSu6Embg.LKg6Fr3oZGYXcE1u22dpCc9pXd7hJOaz.LwUJcbX9CXpgUbpeMQZfIikX0PEdE8sUlDK7uknV9tvAG.2INDDFNozNf9KUCPF5WNk6J19qC26aVNXsAyUhW9w_sSZmJDJ9xWrTf9xEA8m.TRJklOoB_rjI4PE5JkKIcrEyVHP.xHlvehIjBl5tFHa_2am7NVsPpi5BMlD3py9fsx44ZzQ1xPB.uj3D9HUwzkJU.zbr9a9KE86beZ1auYxQyVOrhJClI.gRTySEBdDboBefRkiT95R6yAODoybikYLdnYQvp5I.GnPZUonrTGVCl5Q4kFn4ti3ZzOteojDvdpkagSTnZkEraL0jVyQOiTo6TE5VawtuOMim_GdujPb6H7u3eeUiekCXI8jcHUj4.aoZQ5FGrAfjnycVYlXKIu6sZfhBWaQAuuNefEBQ3wuI8DH0.plHjQNEOxJdXyjMJfNPyxQLbLgVc0Ee7xrRYmIlWSY253WieiXupjrDV0ss3opSneztvqlWfsLVb._CPdQh8xzEzZhAJKvNqKk5BXINbXg3TEJirDQLel80PkQ_uwFWggR8B4tlZKvKbbKFPNAOslGhp6ALSB7arvvlaiq7nPAn6BbWPvl5EN3n4EEJGDNNWOQyz5LS_pz9GrSMiTZvMJ8z9q_3rP2UDQpVtMLTDvQQaMQmE7PfeyM9ffN3jPFNBb9oaScSZubIkBaAXYVy1bfmLuxriz10JSUkunQ3qCdC3_lgwuRCba3lud0d1z5dwmeOah8bB.nUjfGfl1IicfK9ccPZ7TFuuNUaaG4yeDatdPVYoKjlG6rphHmIZgbqxFrzEI0u2jVAPr5fDedLF18qQSJrGksUHkklCIkqsKIjGGm00nW4Y_ndehPbJNKq5Jr3WZ0TkkLr8PYtIAJ0Gyi2Y66URQbIqigVbKD.B9XmyjN5dVZ_3xtTBfgExZtLpGhL8_HpJsTuPliwLcCXpPncvGRuiW_mZ1X6RoOZeP9L2DONSU7t5hpVofIDp.KJ3zhoJN_MBIT0wSwVowQ7DWB8Qfd2eZHWG6sjDK7NywhD.F1SfpNFtTzgqgKRqkCJkgRgUiHQAPMQqHnj0e894zcqNmfAnUgF9a01",mdrd: "95HU_hIuAmj_UK4lOaRTdCCdd3xjRXQktuIHFwS3DoM-1739148271-1.2.1.1-snmn8SKyEdrlarMewF8uiOLq46RZZWDjYvmyodG6upKu2ZZg2kqqEeKfUpHRCPgpYleodUEj_QwHzglDTzxmq3XfPddAGIw8CHFEUTQErIVb9QbNk2Wqqb8ujFI0d32IqQBsCsLkdhnDyYPxlmyEsnxgdadVduQkirI9dfjh6kKPXmLUT4Gb6LUzi3Jh7afXcNcGzqOBYZ1nXNO9vE3GjjYO7W1o3fqVPYH.rCHuzZeg7wijKiMPAoGcsLI366rnLcsPXPgEL728_BgmmWs9XxYHqbx.gAzhQffo.VmLAxiZ5TTDAeDowzns1in_5oNrNNIPYsxBFJ5lN6HKThnmCotQjI4bTZE5BnbsZX__ikjNlATDxVLAAzi.m1i4bRdT12QE1m.aY06eD2EFlRoqFapd7kQkEUWpvD2.KWccwgMvEvdYw286zGBC.9FQpTVZ_98qucR2MLKlXaAB2lK0Yh9U5ORwSMd9hN.Cl1weNjDv3vZ2Zch0XL0.Cxmx.psCa1_ncXFDybOW3Sdpimuq_we5iFmClYNnFCpQSW.w25cuvdWXEaGb7hW_oZ4oe_MXxU7tqPOxuzufsma1.JzfY8q54tjMCUfWjMTBfRAiC3JMmuKz1ED3bT7X6T6o6yM9ZCs9DQiw93Z7w248ZlUWAKt.xFSOI8UVnlTWHzU8KOZZ8cAFun9MtjSC1_m9BGZ6OsWZ4TbYEk1EuAxON5eLacwgxjXco39gn2lEmrgLtfARPMRSOS.UghMcRjnMojt2Q6_y3Xn2tlqvYpNYCN.jw_vUn2CKVaZcLsAMswfWRmpon6FUEaK3QGnf8_5xt9iGz0jxjjPj5kfJbmWJSUKbsFpRkYENbuGcgDWo5Zic1uiW9XXN17z1aBVBoALMzJCSkRQGKNaUIAe9n7xQPcoyYYY6GO.ysgpk8xuArWFK2YDSW3NYzVh4TXYohWD9dSTwNYNZ.U8ldr4BLikhcqhV9Oas5w3CW.tyN52GLRk802x20ZumZ29CPGPXePazBagukTJwRQm96CCdysNt0Pq_ecwnAOMVS0Rvs79anFrI_PfhHzti9q.Yl5EVTaawnQ_UaDydCRYwRVZT6GhTXR_8IQeweuwfx8UqnLV3Cedt7TaXB_M5V7SgL7K5aISd_l9cR.EcWsVysZb3JlEiCxFCQEOwok1wDWIUyRzCfajYpC4cLSQvuQ1l8YjXLkuxk40DxGWXHawW9seRm16wFMGE86DDr2IXuCMSfsVdpgE_cqJTTHJQ04FhAYbzBN9hGm2xOvgCCKTByfKaALgnAMdnrZBcCtpS1JrjdBdM..TreXUFc_ccaEmnPmDhY84a_nL0kaI1PePC.JItsttmA9rY1Efl.HHoJm0_srcQEljXFU_MQ0wCFeRHOpvlv8i7N4qLXFOVIeeOJ3.UcCpzm_Xrd079eve.._OBdAav8vJCgq5cKGGY59W90gQDNlCkKFx_3oY53.q1At1K2ywlGMRGoddtJT53sKorhZffno6CWYkJ89dVkgLBXxrZB7GevXRtVEB_2ACsCbGNQ2qwpQcRzn20m_b7IfB8pYUkCsbK5XGF6HW4NO42hvquXZkTgIvrNzniJE9GypnMOQkXAdx4D6AMOIqf6tEJ7yb8M9zjLfgDlWmQbN7ZP1fGJ55h.ibQaosx2eHj5JH1tmga9Lfr8mjioSLP6qCP4gvM89RpGGeNZyY0CyMFQASQwr.xQ6gU7aaQu7_HQslIhgMr182gF95SeoElcNHutTOtvUDz9RirkcD3o1uU7ygFYGw7m3PCtZiRhNtB3CyLxiC9ZTI1aQ"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f812390c7c5776';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\/0167538942?__cf_chl_rt_tk=XpxlRR9uQ.O1KZUS1aM3GQHXM94ZrzbLZAP.bUlMxxc-1739148271-1.0.1.1-4Xl2R.TNKRm0B9jh9R9NmCubO54F.h6b7LzDJyJEEY8" + 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