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-137315555673.mit-edu.top/post/9032641785

  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-137315555673.mit-edu.top",cType: 'managed',cRay: '90f7d4692eab8256',cH: 'zfebGkrTg5Gh0HlnXo9Dq4T6oxiO7NKKAtLSndiPvfk-1739145739-1.2.1.1-v1JamvUDvHTsKwoPNfFn5pndR5gCb_Aprl71E4I2VelMhET7fUmJANcJpQc7jgWq',cUPMDTk: "\/post\/9032641785?__cf_chl_tk=By53D0rm6dT5x2I7Ip8ZROXXvN3tIeTfEKRJ9SmR8pM-1739145739-1.0.1.1-Ge7vy8Y8J6APRP_uioJBevCpscbMtVU2AlbOkPgiUOU",cFPWv: 'g',cITimeS: '1739145739',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/9032641785?__cf_chl_f_tk=By53D0rm6dT5x2I7Ip8ZROXXvN3tIeTfEKRJ9SmR8pM-1739145739-1.0.1.1-Ge7vy8Y8J6APRP_uioJBevCpscbMtVU2AlbOkPgiUOU",md: "g0SYaUcAIs.wTtjN9aZhJlBjIWSwa1iZcU8oqBtgVBU-1739145739-1.2.1.1-IHSdR8_XRsboEIk9Rmyjo.LAqEht_QC2V3RuhH6kXLYhMDX77wVlgSR3ssdqTDP4piWmwhDmXZMgRfSrgK5ijEAua48kOkFZaQPl3ibo_nyyHNtEXMCj9Yza45GLmSRBOups8OA0AgKT0c.MD1jlL7I8.rZib0ra8gtMq2ohPO5PzDzwKiJX9vrhb1AhFz5hTLUFW6IupjMosTbmA0DxB0Mvbzd9enMz8hXEa9HQQlrNL.0uZEPFgB4C2o9x4xMjojLEimD43b4Mw5IkpEZ_BpOUULoOwsyC_l.QPlnAu9RddM6OT.MLjD1HFYeCcPqxcvcrBRg5ZmC8VFq0SqcQZGsv7bOpPFdHR5QHwZOxmvlb13Uiffz3WD7K4B8v1VHCB4QWdLhGfv16xMwxbGnIBv0rqvMubRK39RpMgp8GHx0tRYqWwXkUyZhtKPNELpNnKhKMXqwSGWXU4vAZx_EVGSJARb9YC09EbkWGjkfE8e.fmwnvjfKk0eWfGl8TlAO8qX1tceEiRkABqLJvATDBHDpOZmzs3XOpx5rVIqPjq4lSjEqIdearE5FlUfncyInIaZnaIKJfNuydSqdFWd97fU5rzyCJ_FVvXvUnzqVVG2byUpGnnQoiq4oUfpNjVIwmjQSZhv0xFmmLtfvcOzgjPugg3xFNZEHaJDuhwgv3DWnN1tMQgTBuq0ZoxqX9M4AGyIkgRq0mUsLZwtmD0pjAmf74l0fyAoDCn49fNZFywNh6YxJDpFRP7_vU9E.4_ZnIcVG8_tloim03S7BerNYUsOz9SIhi5BG6_X72Cq6QOIQ8uKLrp_tLRx1fE1mWxZY27UkQZDc3lq_TqkGZRru2vpp0r6wpwXXr_POsLRpMOIOnIqGs65_X6XdmjmkukbbD1HnxQ3I8goq9GM2v3AtHhbxj0ZYgfSsRAsrpF1ZmHnPhg_N07zW4HOvkTmdkfpfa9oAheTgFgiOCxTad8kkoK_J3QWWA8D74wR6rfZz.oSOB4aOYGUhsWdGymb_EGcCrHtekX_b8S33eRbnhRZVAAVTGwXPvBp6nAHMpcQqE8YQ4enRpQH3Ap7o28txILT24aaptQi53eEFRjB8s5hGMHvKMYr1ZiUB6WOWTVOYfg4AtK1E2BiUzaltqfipZzR.iDRANGjKIhB97UTKR8w4oVeZljPgvMIXfMFrA1I8rcANAiguU6oLyU6eCXvA3tT9N3zLAxWjmKZTkGzlibtaNpjPYUZp05hkVGLYtDWCfI.e7kX72rmNDciaC7Rm7VXwDV8pgvmymWlxR7jJNSUtffyVRthZhaUD5_afdtbz__6c7uyfuwBYjSh_Mvs1F.H4dP19QdqzdY0Xy.zHbt.BTS2bb99U8bpMTey9_S7nSCb0bZ4WOTAatJGDWQrAfQmrDiwmDVsh7N0T9tS1na20htYnPLw0yE8iA5v83OjUDW4F6cNbkT7SR.TEDpDcySUMJz6Sw3R68Ebm81k4_pHE6gj7n0YA94.W3cprBgR8PpbkNvUEtdGF3e5l0kjgRDBxjkoH3r5AQUb2CgyjPdlhb4knlUSGEo.mSJaNTsxCtKJU3XrVMLGisqpTxNLx9hWL55M3AlM2a2aEBwqak.4f_jV16BKVIuVepfj8dl9d1rF4ojvjT.8bqGkspaRhgnHXv5O9KQG18dVWXOHENNndEoMPF9e7AVJ2E4PadwFj0UrhIm9n2_D1nATI4xPr7YU2yHRIzbBx4AGeqjuiLa5PaiXxP5gXQRiSuabzVnRMBOEftPFz7GIOicPQzVWdvm_WYJYuNky5gdsYkr1cRVEA9HdjnvJnjyIqCCGxcqhAfVr4gmVeR7rIA7CWPPjijyzONbBMW42WLrsMFsUD8sYatP_smqbUsBVEXAgnc9J1BBzyGx0UGirG3nL.d.XhNPZHs0AbcG47r5kh8y9gjsZHXnTdnjSggxVQSBx3Pa3cbm2jlTTCpgDAMbEEzUEysD3AjzvOChrVtfZBvx2SIx0os.fd.sn7PYHvcEGQqrE_ubt8WMykjEt6XGmzxFvOimxWN3sEOpUM4Lk.LcyfDRMmTXje5Xf3AdBB_0o1zqFQcBad2CDniF6CRAEUVxiHCPTdkAExhvTSj80otk8BY4pAhIYB3gewNcHOoPkOiVRwZdwycBigXR5sE3HEMvk2OOQfKo3CBMArSW_gs4kS5rkFTI4gNRVSZxFtdLdRk8_9JkOCu4fXjRTMjdExqkqfIbCeY",mdrd: "ZdpOzbNxyJJD0SN415ODpci2Gj1TxMLRtJNsUhrRPpQ-1739145739-1.2.1.1-OUXwJXIpHKBqKUcZA2pn.ekYdWXAY4nH9D5v4Z.UFTFWLZBp6kWt2zwosLX6KISMfHY67V8PA1jgFghL9CvlY.GXjtWRmEV5.JTaTUudYLbYD6QUIrTpVNnweJc2SzGhEvIfYhVFMNvOlS8V0OLdgppbTq6gLxhGY6pjy0hMERw9W_COMK7Gff5HkCRIVMQHCm9LU_LLlCdDwHc6hJE2qjYLkaMn3QBcBrGUJnYO3_qT_xQ68.GRilVNjKSk98fyggLCY3J6DCXeGNNfVTpkIk0EYPZj0gB.37g0scuFbIfVTaD.IJhqglYd1glRkudyIL2SBB8go.1yyMn3vB68CvdGFnNEUWw.RUMcQO3Iv9tNEtB0M61xjaKg03mxsJ2qP8xNL06Tni0JfNI9WdqGMDpzDaq136fHxUCr5Wx.0Snm0rx64ufnwBxH335AluaZsr2zrLd21zlQypNIzQdfOqP_3nANyVsxIiusnp_28y2RlSm24MLB3XtaO_Npcza1RIrCC.LPgD8mCuDpty9XtbSEFlVWuyiq98M_G.RmkcUtHmaQsW2Bfx3HAmEh41AkCbFntB935TREtHyRBDmLn1iHEASD5rZCeoryhD9_EsHFq3G8AohR7kh39VBRmH29cIqxRdy5cUv95KgUs.kgpAeAglVQGuL4JHtCJ8KCm2VPxQBlk1715aIOAN7x42Xr4Vm3eIoTS.d_hZ7fJoI6_Tinxgch28TbyH3jY3rSOh3cE2FTdLL6tW0hFgqdptBFlzcXvkqtVIpAUMzbb7ddi4gHDKjhOqEziPJVuXOBttf4jO1a.IObd8LVsYp9OQFM3hcad52W6VolNpH9_p0yyp2c4oL.OtLWo0fl6iwH7koo3.9Z1z8LMgF2uNJ7O8_2NNVbp_UFowoE1RoNiVQQ0fCRBfP.AYxifvBO6i_LX3Po3McC98ARqotx8LZwpP9v5EPzAzle.W_iwD7INvEE9qv4ausOp3K2X7K8YzKJfdnz.FIwXBlts.b9n2laVKyNU6_JCIkPH1hF.Q0wdCVoc5zcaEMWzcOXVekTXsacIufWEXzBq2oA4PVZZKGUHLfxGT65loiR.zdcwolraFyDIddaMixiKKdz6gxJAkMD5YOQTex29pthlza6Nrq6XtajAyE33zQ27iVpx3O.05hd8iAVipSx9KU4Xrb4l9obsez1KaQTEefMNYns5Dg6YUHSuKfNpRUmpH80gbrcXWUHhNApH5rCFdKn5srJfe_I81oPV_KiEsgO4OAX0QEGk0e5WVV.q5jFyPrE8FGz3Xbytl2tJHQELaLERV0PzFAIfEyasVMy5FMfn9XDqTXxdK8TkkOriobDrtU_dE7gr2GR7BI14yBm4jL1ss8yVd7p9rjMByFavRA1JmfNXqsHn1pfJrboXlO_2WVTmDOsxFYq8u6PLb7BkN75Bkma0D2jBdBpY5Kf7PFr5Lx9TbXExpbSs2s7_gxJk8_zxZLySg19lkvP_75p2C5UBrGzy.ZYIOaXOH_PJ2OUPSi1HX4h2RKGkwAkXJnmiLyT3UokNgC4ttg_soWYLb2vIx5_a0KQlKkAxdyd4DKCzkvsI5KJkDTQ5s6zePXqw1Z_UTCYG0Cig89._kCpW6isZCCuDk7XhwSUcAbJ8Mkj_wlKOfMThiBOPco82FvyAwKxZ7xJMlPRnt5uvP0ftOMjaRuw0HsFDqwolET4fMvFg8goG_lOPNx1zsRwtbpxwzmEElDu9vpz0dEK2UeavOxoxiQyGhC6PEz_57C9CdW_J53q0jCSoVc5DdqDb5a_1cgo0zM7cTll0g"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f7d4692eab8256';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\/9032641785?__cf_chl_rt_tk=By53D0rm6dT5x2I7Ip8ZROXXvN3tIeTfEKRJ9SmR8pM-1739145739-1.0.1.1-Ge7vy8Y8J6APRP_uioJBevCpscbMtVU2AlbOkPgiUOU" + 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