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-111684321827.mit-edu.top/post/1357826940

  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-111684321827.mit-edu.top",cType: 'managed',cRay: '90f340800e327ffd',cH: 'DUJxMT9rUYnSesy2kb2AGRWuqmPr47mwFGvQJOqCASM-1739097738-1.2.1.1-wLhOA6HjU1LzQ0NH2WHdpT6WRCbnaZHZkagYJMo.BoF6N8qIGe3XyPmao4P_Uoc0',cUPMDTk: "\/post\/1357826940?__cf_chl_tk=eNNb0oTCk7ArfalSdgx5quZ3LDza_cz1iIVWJ6WBOxw-1739097738-1.0.1.1-UThtslYkFWpxtkMxs1SM1Ld2hIiMlR3ZpBcUs6h0D8E",cFPWv: 'g',cITimeS: '1739097738',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/1357826940?__cf_chl_f_tk=eNNb0oTCk7ArfalSdgx5quZ3LDza_cz1iIVWJ6WBOxw-1739097738-1.0.1.1-UThtslYkFWpxtkMxs1SM1Ld2hIiMlR3ZpBcUs6h0D8E",md: "RqrlKUURLsd2fOvzGwQvokQ7LFxNehB3QZisxj8bNTo-1739097738-1.2.1.1-O63pC5gq6i.07BoY4XHnQUkX1Pxu2BF63v5n08QGWaxJvvatsvfBEYUhaYzVh7MqtTEHuHSmofj43b.x0bKBhC2.LOFZKZ7x6jcAigB8J.mhd3O8jMUjs85NtIhnmiwAWMiKzZksCuoZlA1j15rQbmi6DgF8fVCSDXNS6QimTrc5yDU3Cje3zfKvLhTDiHqBtDkoNIxBnC9jYjNKetDVl.Qp8c.hJgC7vNd6lPCH4LbDtOr7l3WmOahrVGUmZjiIxwrkMQtY0U.XDd.NwrTPQgvuf1zy9NhEBs0fT2.s2BQi1rKXYQAO8MuBrt9BxEU6tTJ_rkiYpTH4.yy8zMmvG4lDZrfEo5ErB7xNZ0LZZJVdBHUqC1cb4n67t50Vc2V.tzlnUVAorTGOGpfufRZzg2mb29KisG8jTNXTm5uoqXFQUU6mEbF8RdDLFfESvB.xAxBEj6Cj3W4drPcS1FX27_f6I1oCVcvFQz_EwpF1Csk89Phu47tNcsX4jJwh4ffwuTs9UeG1J7i8Kg5xXgSv54qZVc2kYLV896dd1STFHegD2BKrhy6xhAv2eb4pb7iQDkdPRQPGVHCw8dqMSGscQKTDmilok6MwT18gsDU_ggfObAB5.DXqcw_QMHI0Fh8BWZpbBz6Io0fppMh9q4J5mo5IGX8HpNxjrjxLQemGBq8FON3129.7ZEsV1zIHMhXV5rlQdi0cN8pgQhQjqwVMHoL.buTBfvvHRAI8kGbv93VhcDiQP2uWxFMoZiyqFgzrGtiRhVETHXsu7eBXa9jyZpXHYMv66H8LPY4J8VHIwTF71mCjUIvZdYsQrUQhvtsh93KvjidP2ZoLacCEAcVR5ObP7VyaubLGwQyS0bo_eZOYesCPc4C6jV78MVi.JRBrbvWSXLWObEQrik2qXqWeMTGwbrqi_MGwEWBgqC.IUkSym79NmlyL9PHUCsKmRQEfd_0uGOaVGK5dGj6woi9FHKIXoQmwSh5G_OW7_pa7AvCO4XCUmSvToPgqNeMwy7Ld6CLaHKJlyHuMNICCT2XQlMPm7lh_swarJdfhDh30axktLkLeZxWHKovD.Y1L9Qb6aSdvvgng6YzqDQUS4xNiHCHiqFBLsjYLkQ22zz5mfc30D_5d1BlnSQ3ISUs5CfAQcpg90K3P0Tty1SPRo2JyLTAiPNGFUTIiuQ_XCGdd_MSx9O7GgkaVGlaHByE3fwYQRUGz5xnGOh_e3GntoBxK3o5TONyvqW7c7Ec5WgZKxlWhDoDTSyKy_dNK66YchnDJ4LduANhDFcUlV4xWpeNJ._iifhp4D5k.Aw6k50UnGkzzth3SwG3yGhqL.A5aI9AixHTWl43.px3vCTVrfe4KG6068B.2wUQ_.52t6884IqzWkQ16nQpoRo4ojTl0MP31NuNilaaO.Sw02Ax1I_z3.7WrKV8hv.o97Xq_u.GZ.aNk7_HWlYD83qwkvYKXdmXSUr_n.L4jy85xb5FNGVOIHYfVEVevUYC3z4shaRLXrJsyC_g.44kj5pek6u8ON1HpdPehqLnX4yYdrr6GA_I9PQ8AQR1CN1z3n9z3neTlfdiuOTqPdR6tgCDija6zKDk735NItF2SRz_ZIZALu54SOTPwbe_LXlJyoplUW4CfPbLr5wg98gFCe0B1R79BcA8RmgRTbNgHVQOq9tc7jhMnT83BqSa3iJN80b8As6q7EOXptdaX3etBNPpeZCMHCOi_qW.tdq5L.4oHREh7jps1yqbOeUVo0ZyEoakwiOIbV5Q69yu8hJONrUjuMnb8i3Xr4BhyQuEVCTjJlU5Rgzjhz3_Pjrb.Q1Uju.25MvWoiJyGIB2PXCC5.Ta_S9W7nsfWr3DMVCqKH24I8xmnx8SOSCfqwInsM5AjdbOHG3VdMzD78blVRHI50TRgOycfjki1_XQ_8awKZv8nRSr66jRqRvXu4Mndm4JCJNMqavyXzcpgsXcczBr6yCVwB8hrGh6LRV.OIiDzyx9OG_3BlexAPhkUqxGL_1pvSYz2gKs0wR34UCakD9IONiqTsJc1jK21R4B41qGjzBNszH6RCnDYFqrPfib3rZNZq207TmTuJJ8jZkvQ5dMltKooms1y_bHeje.RKZYzCmoPbLZo2QITZ2Aqb8thh_pEkKOfkHPrNk_sGWoeIp0hHZNqF2fF63gfpPeQNjnw5r9dcGi2l4P91Tf6Q00bxgZscEaERI2c0oohGAPmS5hchrMvtyYUFEvU",mdrd: "GsP7MWFN3xz0SpYV002EDwAE9Mm5K03SYAxfgpIgpOg-1739097738-1.2.1.1-xZP3gtr8B6X9YDNAVoWEIpBZykbMAP91B5uyqBjWUDkfEamXBOj31SdncCC_bo4Z_iSBnvdFcnMTj9xPSGO6xH3pOwKNFYUbQkgk6wDaA2ZrDUdh4Z7iub_aZZunLoIf7YtBbQKtxhqBwNUtiyWENaQeJs.9aXv1BUJN8lFNs8wmigZDmGnglEsKb4RWebu1qugZ6rJl5j1EFiI9a0gWxhsoHiPT1DwUd2Dm9.wkxxxkCev3ZelSTfJ3UVo8GVL7hJTlOGji1iMDvH9qCacnqLE1RQBLtcnx69oZwNKL.ouvCaIx9Gq0BoumYmbf58uoh8uM1gxXFZ.aUhjyruEAiu_Abh.Z1J687NRHPQuMJ3.9mBsGKCD9_OctXRH9mdXpmOFbPel40p8Jppj61CMUqOkTuIlDoYPpJqDZn7Brz.ZH4_P3rCJHDtvrJve7yg5htZy6ejEZdl0r4.LmNgqMLRVrvwvfGTdxRe9CCW.N5eHFUh.MIIuYYTrxDs8zZ9V0.FtwD73U0wmo0HU6XxgGAsLg3QVWGUKD7u_8x2xLVfuA4i9fgTYVjMNAcGbbNz70qEPOZG1IthXz_kXrsmLVrOALrjo0LfNEhrKxyzu1zPrVj3zJWqaoVcyWKzE51XNpTU1baTMm8SfTf15YasUqVMmIi3oFDJmWQqjZLjrMBaQaaRgo5Kkl3Hk0pn2dr89UMNfgCl_2SBlJn7.HfSGNCoYHzLSdfCK2NDSRDx1zDUqyNlP9p0ImGk97ktb7ZzxUZ0T_SmkXYuIrswFLrXhNc0cqvCOP0Wo9MjIi0kWl7RC3OARWBVA7S0xgX4zjofOclndtvF9KGVOTxrk74FSgFmWf3PclMjJqsTu0981P9IUNG4XRcZdbATdMMyqqODef0h6P1pHgrve7IBDk4_fZ7xZFqiQoAQe86t.ddJHurVh0z53CRyXNvBcBmfLwk5cJfpIBTF703Xi1sMQ59rGpNrfwenDQRPZyEqfytiCxIqdLy0BgaIG7Ge1H1QiMp7ey1JUO4qa3EHHSqWPxk9BW13vAkZJfk5sXlP6Ic1DuuDnm_Cl2woqoOd8njLAdcOZLUyvSWBkGnODRP4HLOCEei_QuZLiJmj0eEM2e5cdmt8xg1joMfb6WD.eNDtTnxAcqAiVnuF38hnS.u.w6TS5P6Q7l_uZ_O59vjrU5Ocx550ceqtM_JGquLn97_u3Rdf4oAnNBHEfDF3_puXaRbkzrh.NN2ixXRQhV7R0jOHu8Qgmec_R8JLdIlU.ZEuTWoXSmRfLm9fh5ZBRQZiSR7CYeNWUA63Az.0NZXlopj1U7qRl60_g4kogfrE324H7a3ZZQKOS3J_yQR2p4g7e6PJrpMSkxDb39hSkPJ2dPolRzgijWqa9Efytf5qgiJsRTdGVkqYu_NQMEuLrrTeqDvAJ76hxgOcQhkzf2Qk_eSEO3G7_AHsegyHLroF63vkWkajsr.EqPOOoxgxzIE.8GHuSjVhCxUMwfm1ZsO6tKubVz5A.Yp4sSbkdmaq6_AcopI9pt_iz2kgBJiI0i72HXGuMyvokrpymdZt459kHgs5sDYZWKZi9jXZbxrxMIqNftq2UlmfApkAz5V4BYpyYxB62uuzCDKgJitGe4ocsCICRCXVPaz6YNB5dM.j4.XqlO5nWaNj7lmMrQrXZGSTcDMs_6YDU_JjowH_tPcsIzydpqnWezGlr7BW.4HfbzgvpdASk.8rE5Nb9XEAw5jwN47Krbl0MwxUQWwquIj8Pi8AwIU5J0jJSCVrVHjRpPhJEQLIAHEIUS_a5sV_qw4imdW.Iqh0jV70MItb9OY0umEHixqW0"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f340800e327ffd';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\/1357826940?__cf_chl_rt_tk=eNNb0oTCk7ArfalSdgx5quZ3LDza_cz1iIVWJ6WBOxw-1739097738-1.0.1.1-UThtslYkFWpxtkMxs1SM1Ld2hIiMlR3ZpBcUs6h0D8E" + 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