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-affo9afdy.mit-edu.top/post/5038624719

  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-affo9afdy.mit-edu.top",cType: 'managed',cRay: '90f2388e4aa0825d',cH: 'OfQUZM7XZud.0l2tusZouB9APmd4FgUL0YMEZ3KaQ9g-1739086927-1.2.1.1-7q3dSUozHMCBmxGfjNphY0N_16IVoY9HwD2SfBXV7J3He.w0snPkFE6v_ZuQ6M.D',cUPMDTk: "\/post\/5038624719?__cf_chl_tk=6q81H.u6jJrd77vrmRV6L.af9iekH1U0PPfwA9uUvw4-1739086927-1.0.1.1-oHAj_TeG5ZM2w7Tl4tYR4vpTwZBwq9MhMMIsIoFWAFI",cFPWv: 'g',cITimeS: '1739086927',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/5038624719?__cf_chl_f_tk=6q81H.u6jJrd77vrmRV6L.af9iekH1U0PPfwA9uUvw4-1739086927-1.0.1.1-oHAj_TeG5ZM2w7Tl4tYR4vpTwZBwq9MhMMIsIoFWAFI",md: "oExcLHOc5uIn3dH_ZRJ1s6D83jd.T6yxx8OHiY7wMJc-1739086927-1.2.1.1-0ofTRCYfVuIVPvWZCmkScLffXaWquejz2828h93z0XZ2XAJiU2Qr.cVN4jURjYsgS4Aw.fZSnRPBokNV9dGWTOaqh_KE96MdKJPV.QTNEu55xZZlJZJ75dmibodyVw2S249FVZrXALYySWW0IyOXn2V2xcYoycBZAjgIWOpPHJrvUqTfT.oP3430xibRUZPMnmuVmekw5UZACr92SecQtSKWBEX.jPYeNyMhgOtGqi5T_vbO9ec9NB1FRXAlzqCDy0WRtRxTCMULeL9BDDVtxBFZXwst85osnVNV.mqZBBNAfWctL2x5sjnLej0OEj7PeKGLhdvBiWvrw4ibTnSnF5C.RjZTSKxN27YL4RgqijBau9LUKCmTzf_2jxW7kXBZYR.aoSe9rYX.HjSqw.VSWKvHDeGrowY.94MOlLZ2bkAmHItn6uoMqg4NdBKQElJj9hL.lp5LIkwHcoDM_QovHEiq5K7h5_bts4qERKiLWQHCfeHSCuNPzOxpTW1FpCn07c9HU7k5ywRcZPpTOHIL7iVdctRuU0K2OKTHp34u7ESOMumxzd6aotDZ3x8QcQ1xmX3a4x5E1BGlc60yVP5O76wCRD_J4k.NI40hXU2wsCG7tnoAb9VOK8p7S0BFsVupuvaZDh0pPsh03RnLf3xPTed0cRdFwoortXHGa89Fqf7m2ilfwcScWNXkYdBM6O6sMaJMu4JtI3xFTIpNaqM3zowqvh5Y4wNYHmzMxq2_Qpv3aBzUHvIrhUVhwI9.4Mh6VI54vJtVt1Z7Ab.QJLjk.OBNDnL6Nma.Uj9P1XKEGILkQ7p.Gnymwa5s.7iJfqUvDniH7qzhWBzhoCXm9VZiQznoLfgbDE9xRB6kq0_3DGYFQrPrWj2cB.afqdTiAPpnpK1CTsHhtTC9XU0elg0ra6rA3zXXyr_Po.oxgFXyNI9RvmyjkemjJAITidXI3yes0CaRIEbrWqbTVns6ws5cotd6poKTLmS62.XUY6qFvT8FBGMSwGP98IbKBXZG5i4x4u4D8HBSl_B.3ft.Z1xXSU4OnAxwsYrYKMT9ZIVctbqhB8Orb1hfO97yNh9TUgH8p.5Vb2oV2TDejsQQG0K0utXPuXzTfAYwr_ZvmEQwvELpIAVxh9a.uciW0U7mAGw4SJVGe09GpCKWfwvUqEhp3HL6OwcPFn4Uwx5JOeX3jJ0TLyFlyxPgXwumurckEyZD3KgunvCShM.VHxC8d16NbX7UMMNJerAqouk30H2Q8XVB9F1ULRmm.lAmp8yoYUiZqBVX4dNl.TQiarpRsbvNWIUSUzjFK_vxy5NZZ.DoD4Kg3q62MTSXw9gv22e1XCBBOIrQBO4R5A_uY43W5a4C_FBJwJaalfdsmLKvt.19GpxipJXZXHDUaIh.abXWB4aoai3.l3eo1.eQLV7g3oGJF.yFSCJtK0dJkB.s8p1JVZcp9xhRot.dZtUpJotmdHswsYDY1MwdSThD.LF88cyzpAzCkIo0LJYuLZuHzpp3zerE.1ZmqPFzOqRYjY7iUR9lrLtl6hyoXab2crDBG1cpvFCS_K6adMZTb5ZZCVSo5s5S2tX9Jr2sxLz.rFSWx8KlTWmfU9ahdTCiuZNU3EdzLWjIAEGcDypXATckeEQB9gC3bHha3Flk9a9c9blIJCVRrKOy0rVgOZJaHY12UDGz._W0PZcIVi4Np6426z3qH2MMqx.OBATciAygiiRHHgxuXnwPnPQOHTPmwgyanNzLPTBZIE8b4Gtvo5GJA9hAaRSr5_K73ndpRid4JOEUKB4t8Qp2o6qx6isHtKEaATfitpS9BKUjcsA2bKKh7v5JnZYrSBmt35W2sRLt8LHP0Xpd6d825hb0fasUL7ST8PEwkEbXwXq6XCPBQ2oAMh3vaSeAImttv6xD.mWZjI3Yn78Eb2mOj1YdD7SroUED79qqcgc3B_MWzsY_fNvBrp19Mi9l7MGHM04iyBaQ6SMPXFxFTGZYySPGuXMZL93eWtVV3gTarXK2BcU0ySJSpNqg0w9.B_6JuEW.lyqnUNsrwJppIhWdrHrJC3Lg8TM9TOtQfqA_pxlPL4Ni_otbTRqRD.pRjIhqKz367CO7anYLSoQmWL7RlbN5LIFY13bTFQEFlre1yNSVKAYxeelOH2jCRo32BovsvIa_PTmKWwk9hMDxRuRNzaGvwTaC2EZy1SdnwAOR8WLxcI1wD4ADIi5ozWctEnDvuezB.ePec6YVu9p6",mdrd: "xfEGyRG_VXFQXvdY4kI2n1E_H7Jf6ZEA5m3_JsupcCE-1739086927-1.2.1.1-t0EU7dzEVDWYncrE71rAVw2xvOIYmiyV1eqdDhNowa0p_NX1Bjep91DHM1CWcOkfLWddP6Nvz.Br5CceijrSDLtWn4QYobji7PeuQt5.j0M2UasAchYmM3PwasQrdM38wCxhVRfL74NQ_w74T39Wb2J.V4pXn4s3oQIGSwIIPVo8j5NO_7iKg20JtvSGZOMQOxylGioKMXIEfm4pu3K8f3ijvKls6kQhn0IE9syn9C9SjWy7BxafAuvxiR_.J6.3V0o3hl5SW8TnOIB7sCxaG9xhO1BHxTjU1zE0IXpF0RFdyJ9XQALNMRdo4rqXHhs98QVqt0TlTfWPXZxI47HtQZb17EXOqZxLlVTyZtEopc1oGnvoyrfGFxzEbIT9JbJ7TWKPQBKMJdOQgljp9S1hLlyHy02.LOPzpKKZcMrTw_RCOwEpoa8FFcquu1KApheAJm23krhhRHcZgh.RDaR5N6ToJ0pukB3pT97HwFSvjZccwbIoDQeWlren_LGymq_HcT6WyNVEOTchVNn3UhNNZ7rLnkM5HxsnEnWN.7j3w9um8TnmNVablaZfgARt17UhopXAWiMIukS2pCl.RQ65tig3F9_i42OBmKi7L5ZIBedht26jNrcz66lzZrOaR7j7BC4mOHGorV5qg1heTiCNT_FI1qUh_6Uk_xCYAdN3l5DJMVUdqs2O_RDI4FTZdWjImQ6gSMVbEljUzNbizozhN05qioAp3sOpDLZf8BJGbkcMylXxTP14KlKZGgQFstT5L.Sy4IeR.m4Qd9Gij53F78uvzC4IeIDbPY6ZREpaxxu3sLl41Q_tZN16Qwzx.A2r1ZmHua9XSEtVe6QkQkgI.2vtDFnVsn4XAExwZ_cK3IDfUPk5Ot5gSYzlslRvgLkJQYJJwMrAjm5L3j_zYtUcM4LnChwYlnPrX3khVcvFs4IiuPUHSEri.ftGnEZQeVmfMk1vW5pfryvT14Y1H1c321.atlkovoL6YQSYJsDdzMPtn5jHGbKyCl7162bPWZhyZ_JaSfXF9yBfW11G0uSgAHABR2zaHXJW2yV2_j8e2lWVRaxlCzD5K70lUCNXd0Mk5loZH0m4fVyWPxpfl_ZMjVns4BFsWtiilfxmhJyKqpmrb8BjWLA8xbmJJCuQKklZlBtFodJ_cy4oAmJNsuSzB7OChuvGV4_r2nE9b4.UoIXsYDsnKx4FrY4T6gtR7MsfUm3Wa9uyb7rR79DRU00zlO4ZVi3Lmg0tlGkYIMjlVF5nNkwMfUOfTGmKpx99sVJZ3R5diPHkQ9T9VEjZow9QTI2BhtiNi.BB91szAGTuybB2No_jTpwhyiGt.mlV0_6JkmtXDMKA3k1zVE6Woa7E3LMP_q8REDIH_g35SOrgqR43Blk8G.cN07xQJ2cPAIC6aOOxK7OcVAZatAu69YCIuKmfdNDKVVj1QvWTBcV0UuTPTX2pzRbmQ0d73tC4xsDDQx4TVlXrI6xYXhzUiATexprb0lZmACKY4tkav7DFs0nvO8iBOXq4Fd5qV28kp45vCqU20K5ZUAFxKAaOuce9VTDNmZUOHJRrX3g7vNE0yqS.Fyvn_s26oJMKxYeK2MP29Y7tA3z_x1RMM7tEF0WqNAzTM_d2LeP9TQY257W2cnpIZL3UTdUB0TX5Ir3iIcrDc7gHfMuVWW55GfI3OfoKCwZJxXcKfY0ehqUunQnrgR2BNx25C1ohOfxiQ7ysD0hkfJcF4OcQJMwbwMrUZRoNRKlVNRinzrm0g1LMGxQLU9HaN2vEgfRQ7DlqQEPv0GosAbreDJLNnmSfmNUQasMAsw"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f2388e4aa0825d';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\/5038624719?__cf_chl_rt_tk=6q81H.u6jJrd77vrmRV6L.af9iekH1U0PPfwA9uUvw4-1739086927-1.0.1.1-oHAj_TeG5ZM2w7Tl4tYR4vpTwZBwq9MhMMIsIoFWAFI" + 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