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-939550525200.mit-edu.top/post/4321760895

  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-939550525200.mit-edu.top",cType: 'managed',cRay: '9110be139a2707d7',cH: 'OOYgjuxxN6JsbK7O.J9lyjZfFpAS5UHiPS_qtfJc4rw-1739406968-1.2.1.1-ATjnVROqQN00oQqYRUiJupOU0q4LkLXzjccxZExm92x.P2WLhgq.d1ZreqmENnSO',cUPMDTk: "\/post\/4321760895?__cf_chl_tk=r7QreP1ucQkGvFDGZXJpP72DPjYRxANrrOjvqFaUWk8-1739406968-1.0.1.1-RhGWuUyrfe7PEgpIgJs4hB5At7odhJ.gIKJeNFMtEHE",cFPWv: 'b',cITimeS: '1739406968',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/4321760895?__cf_chl_f_tk=r7QreP1ucQkGvFDGZXJpP72DPjYRxANrrOjvqFaUWk8-1739406968-1.0.1.1-RhGWuUyrfe7PEgpIgJs4hB5At7odhJ.gIKJeNFMtEHE",md: "HOPyC8gGXCfB_SchSZqh6e7.Dl4IFyAmK596YHW3ujQ-1739406968-1.2.1.1-DHUKoWjTH_8EvnmyRVOKSLzn_Cmk9izkQMK.SOLcFdlwgIc2OotvRnhUPOP6.yuCm1euPlQDIKiFDtfKiXXxBWZpelJYGOhpp0C1OZbxP7UTaRMZfdGSxOo.PO8wOLGz9Ckuz8n4VD5mpFLlrJtiOiqTXRWt0jjeaoJYKAGUoz1JNKTdomDolg5.35ms59HEifFIFXL274Ut_hzqzxD4yCYQqnnFxxyYoPh8a7Guipe7I7x1fsNSViBd2jkN2xuA_7v1Sba0QRmL.cRFBSnCB8lWXcxKXaxCSebMPV94LF1CP4qbq5DTN4h9Kq_5hWjtPf1ZA2ZReObKU5N02DI.H8FH72RONwtAlpg4s5YIDkuNz9mzyNX7zF38IdY0eQp7yuFKhVOngkfEIqKHiKfVY67CCEfj_YgPkm8GlJwAcxsHEjxDkRBhrQ_PQzWQ_pd.oqWte74.SmbWX2w42TdlH1pj2p4KFSUoAaYFYDa2930.x9onIOPJPzBNHoGQUDt9IqduvNitPh.wxKbIl1fbASu8YGlg2Njz6CSMZig47t6OdpiYkb7U2ZlIX67lwoH7IfNUumidm.6vtMa0tpJEB5CdOFOQp92_lHu3oJD_igkxFD6m2trXdTYr9AR4NZR.6U2UxlSY3_uC0ha8bwE1Fl_tbPEtpHfi.00wBhBp5UD49m0sBVQ.JDJNu_2FxYqJkyrYYNMG4kHJQSJMDmf5AJJWegECGBDrrudIM1sWT8B8_RmXH92sM.9agLlYHvEzqHb8Y63TXC7WLpODcrgpKv_3srbmSccjXcbXsKZcKes9lpsRU7fIe1EIojzsB.WwCbZkiI1gQTcyolZX4_yPFVi6as6nNWYmHL94_0yJZcS1f_JTNwQ3umaqpDWOB3ywqHPXLPSFaQDkiKq4bBsC6lluotyZDOuSUDo2AYAAUmMLfV1dreHDbu.R4sQfdFQqtj9.lR9ajEFFRLslw4nxuos_i1fCLXpN8o3ujTxjk4FmtFXzRtsE3wt4vAgIQHuE5_64zjj5_YkFq.frrK7KGGdNxQiufVspRxi0.ElE1hIF5RvwEyHa59C8vg5T7RjTlfBcRXOQ1XAR8.prSYBQd3YWVjQVTHwA20M2d6UIe5IKw_U61acSDAy7ZhTh7E4U37mUVmcGuPzb0kULbZSXmEvUqDCFIVd3voQ6q_W4DB5co.KMQk7MPDVxtUp8whZZe5upHF1XXt_nlriAwbdOM6Le5wTmaaxtFRvkAGf4bwrQjV7cttknAGlgICJnIXlVJBo22skvFiXtDbGswMkjfpQfOo9tPLpM1v_PNL_y3x3yLp3IWPoPd41KX0BDVHSnezOJdSNS9IVRXLa1SeWcYMwkcO2DeTSx4X1aLSPSqM3xRGXOZdzgQDtezRO2OVDxAJnazvX8fi633oRkyb92FHsvFRRpmhAO6Mytr0rOnmVBJCOArlX2FpPVO1vwG33Gy1fbadM1qn2BU08dO7MKhcp2YLnLdAkjycXr648l1TU58wZzfzCe77eeGzgp76uojN1LDlTu_6Z_YRY3aivbKp57Q9ILq3B7lvXpjDIlAwvMVPB7_BfPBCFS1eLByWRxlzNnbtYpCV3P2lQ8cLA2CWXNbSyr.4_Z34X.LAbDehYh5HdTikuZvRalXzw1zgKT8SfrUF8NZsqCN4xf1e70vSB4NVjwRY3OdkAwzg_jX_WtqwDi1NMKaWXG_MvXReSSrwwmbwM31RFE0bvS1jROL2KjAtZUipnRfXiQi0gTIoIZUB003_qmDciCbYtONXqkf7yC9wW9MIdIN1ZGYNYjWJmioc9rbf2liyDc5i9qVWdnjttY3Uj4CVqm0UixsVVOiGapbblbB6NJjqvWWpNtlXrT1OW3Hv8SOZrOn3lvC.BBOXbeNzvGjljlR6nJowbMGBwPxhzilaurL.IUQIIUiKHEUz2dZMnPu5NjhDp5.ElJOap87FmD_ec_rvnkjmJdbvOfa0VEkG4kH1wdMVxsde0WjjVPPQHprTGdROye6aBtjPXxzQA_kKZLICPjvpaaJA5neRGruMl5yRP1Uyh4W4PGG3EM_dWUGH4qKvihmOos4.Bz2zkSkmuODoL2kj.G4P4uD80KTcsGpUcuagjx7uThn4bPRsBWpK0KRfSqrW.9jcwfKzQnju4k1QIVL6_pJGPXDl_Pgs7rJN5DcQIMwTSrY_x1czrJJnKg0ywCme4OmMJtk8E5oFJ2j2cfda.N",mdrd: "bxvdoIFtUB.AwJAabIcvcDwh74cAIGMVr9dRwED023Q-1739406968-1.2.1.1-hwcuvwoe4gBpNTXlwYC2R3LiMI.ViBMndoMY9yW91seGsy0z_9JST9ZSsJTbHQ8iT_YoIp8_8B9QsCCDIdn0Mh8bjF9rq.Vp.S.On36MRVqrPkirTPjIIy.BCb9tDDI6ETrA6qx9DCBnfmsnfCdbMgOoqgEoPNkM8wuE0zP3T1NpdLHTPFhiEb6ZVSwgMV41IKQZ3KeHYo9gUue3ka1HdhU8UF.zSbmSNUufUdMJceTzQecYzHEdZ1BdeXS9ctO4tgRXfl5exuBfzTBU.rLCBDBQIOAnUmq.2kHmU9wrmu8Amouj2oZfv8DadWOwov8XR9F4plaZkWR.XnMD8_ps7S7ajHXGvSnpTjGzrdSYXwPzBbHHlWvYALbRvejlQTJ1FxiMq7eCJfE5DtcYYBfzidsgtPoxQtgMgW1MofruDB934Yu57lFBCd9jPmPKCni7mG93kiwL97NuQWsmzZIfE6eG3kP_c_iEpdBAP5cPi5GPe1byoHkTcxs29s3pqRtBpMpdz1uUlTNkAp8O0vitkMEX5ImaAgq02kSL6ZjDkP6StfaPqoN29hU.YeUpIwvCTJWYtfDIgk5PlzBN3jwUh_576FKjRn8dzjehGqISvX8qOJbtKzH6sJtgX8_GAY0lUTOxZVKS9Cyw924oFJ0DdU0TnHiwc3CxaD1uLyYYzTJmIMuBJ.i1R9GdtGy1LBiID5xNFNfYLTIwRwGtjQP_baXBVjdXow7y_6D1x1qBafb88vgSn7yIizlyDkaeME5OEIqavV41IYHQnQC6Vl71b.d7Kwz.xR_ZemZXF.cVEmB24blTGwioY60yqjGgIIKhpv2tjyMUY3Vgm7OdoiYUU0BMBlB8Ob9Zx6kPNbT7fkTZx.L.dCdlDbwpLNch6yL_nSxXYMpBsZm135SEbizewNbUi_vVFBPs.da6CIRsXMFQ8ZnzTLeFgYM3lx4Jwk5J_RPApZfQGSDcLaqdxhJi28yj5BhJ5z6AIyWT8LJOxNPMThtelmTIwSaVqQSD5CUdlhJOn_15XVGbLtHyKtYkp3QWSupM287aP.yTAer.Fo8YjDfdlJ6ZcEXvVJTpUReLzsKyn2WTBh7_8GRDllp1ovz1IxxxLMMfCK2spxPEObbSesSXrUqLiDTT.RcjbD4iz96pbNH.VIXiXxya9g6Pj9RVdUfZH1GUjkScVFu3Z233hKwZ52DJh8.K4l4IZq2CcJa82.AH_x7arq2N2oHzlrVt7TpeIW2I_8WZHBZa.zWkRxIHvzAiDNkFPfosSnhOtK7d9w70lMM4N0.WQWRbMG56J7ip20fQ_AhZcp0f5zqWSLOholnxqtKNGpblTqdnSCybnPHb_nTC.kCy_cl9HVrlHUwsP_PJbeQvt61X4lJCOz1vjTcbmqBTSvZVMc0DVzi0h87y0WQLQm_Raw5PYDs8Q6JoAI5t068ybmKoXSByRHSeRP6fKDzlXuPlgUCf2LyMH5b1KM4hzMeBA_Lw.AxTc7Y.TOEZxL5SAmV4jMstV_I1qq9ZNDb.ar7w1uDV.4JChzr3nyinLVyyHdNHE_eQgB1ijtIphWYiXie3PY8nvDcMaRu0Pk7SR9t0u.ff7cZkUTUb_huhNxly_gimpR3Pqob3ERm6rHoyaEif0P.iexR_zwOoj2AxroQpGXQxTcIbaLn_0RhEPQpkm4SXlVwrFGFrUj9lfpS.vTl0RqxvrxJUntg0kaHM2ESIMTHo8XmF4_wYn70BQ1Ll3rQf8iIwEX.ZVzfMvv8cl9rbPzZoI_7VuVaPQV.mHR1e4T5Cc6Z4ZxkmcPhAGx7LyWtyR5Y0kUr16Y4KINHXM8dlIBg"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=9110be139a2707d7';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\/4321760895?__cf_chl_rt_tk=r7QreP1ucQkGvFDGZXJpP72DPjYRxANrrOjvqFaUWk8-1739406968-1.0.1.1-RhGWuUyrfe7PEgpIgJs4hB5At7odhJ.gIKJeNFMtEHE" + 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