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-affb20v96.mit-edu.top/post/9213864705

  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-affb20v96.mit-edu.top",cType: 'managed',cRay: '90f83a8268a43970',cH: 'a7IdpuwmXWRV3jRmwejK6SlW2XswasF9rm0rdih2ypo-1739149921-1.2.1.1-R9ezgXSS7Xov0N4j0UyhfXCaD4U0KhUqInwN67bvfoRu0h3nWvCj_c7T6XM.6yvJ',cUPMDTk: "\/post\/9213864705?__cf_chl_tk=WF6NreL4fkfavlkon0_y6Xd3v9p3lvjsS16fyzA_.D4-1739149921-1.0.1.1-r2fsNocB1.MRsJjr5By7aT_VwDk1i_BK9p8cDabSGZU",cFPWv: 'g',cITimeS: '1739149921',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/9213864705?__cf_chl_f_tk=WF6NreL4fkfavlkon0_y6Xd3v9p3lvjsS16fyzA_.D4-1739149921-1.0.1.1-r2fsNocB1.MRsJjr5By7aT_VwDk1i_BK9p8cDabSGZU",md: "6zJhVGTUITK7Mm3eBxcA4D8rxleE_d00Z72kP6mOirg-1739149921-1.2.1.1-7uhZxN3Azd6zvNunVxS.IjCowAd6IPDi_RrxvqalrWkSKq8M829CBO2tHAS2sGmOHU7iYIGXQahBFFSziDOvvFiYukpy_pj7Wn7zZcGO1ZDKtnVpNqch1Sajsa8bywr7_LEKoTln.pw6u4LhjnreTMSndgeeLAGq4n6jMk_J0XcyiVX1I6rw2zinSrQWFUYZME8dHFqDeYL3OXGF49A.RR6DcoicKW2ZH4bM7QZDIjawvES4N0SMyxbrWNnB1Yz.TrXyIEaEh_r5GpdDrZIQQWs_njhm4QMYKdWbTaHziiFTIkLqIY41IXMrl0rCcHeOfetdnzReQwaJyn.nNqqF5Vd5MBfjVUGlHPyPecAGLs.xPq_bmXUCpTJV7uy7wgYpYjF7CGlQ4.Fv.Okqjx.88eakJ4N6QQk6keOzNpzfPkD2fyCZH2i5jT_VA4jmOs6E08ccNf0YDOqvs7SnkQOnBVs5K1CDoRzN6MmltgYPQOxKpAdKuV7NQo5OxjlB7roN4ngVIKQakU8UbG3_vGdWZH5XD27XS9th9SO6N1fSUEhioP6oyDH9zgRZnfGlookjBvB_YMtN4Go0uRfXO8qvR.e74ZaRi5vBAICvORUMlacs9ZzQtjQOj.qiM1zXSnV7Bv7onV7mb1WFO.IRWaj1aZrkhA2MFba40ZQxS9Ua1ZqfArYZcwhnHMoULTUMvjfks.7WaSuzjilmLcdkGqTcGcTG0wXRNKLv9WgM9gSpTFOM0UbuXG_F3i2JgtbzmSvz0IPzHTRmMDGlrMvz0JCgvk.cXKEMwo61tYzwkT7BZEkwRgoMTOoQP2BrLUlZD7nrdBqfeNTtCE.XrhC.KjAAYetTJ2W6VTPQ58VUJxS857SN4nAlO7ax32c_Q0RrfRVA0gm81xjcirZXRQ03bBPtBUj0lyUCZzxv2kN4jPO4ST5pLzO49osCaOtNYd2.Gbb8xMYa8VLcgnFKMTtiqIJ2W7AmnzJRCnEW9VrekiEIGz5HSlLOXhzMq.F8lXNTcJQH5Bv2qBrhbuzImDlfKlBUKJN0oMyzd8avIy_me2FBO3Anc2c3diXUWoISNhLj8bvWDt4.n5wojr0qh4VoWDTfg1CNDo5VGJXRqwwLRL00OTwX6Mnxd92P4SJkTcoWW1yxiaGj_VUlcjQakX9v8jaBfheWOeRsCTm4DgUAydbOJEfhZX.QwZWILpZjcrYNJVRUMsP3W7GoFUmt6DQ8WwDaQ3qrkAkGhwqEuZYVNDst7QXL0hwvlXgVoyYw68mo9CFcz4ktAj2DrVrswjbgrEcl2eVoZ.5Ex2meuzq9Vh_zXhRG19iMRNRBYxD8jAsyivzviDODQf_U1ncFN7A2ZeW92_AwMcUqpf7dy6umQaOb_4YbrOa.Dg1SaLii0jvLplnbfeI7EMSDcYLkqBX0K3EQ5gU8bG5nGaGf3BRXiyyfR6uIClfMGh3P909RpGpHn1dxaFHhadLdc9DGJC4AYRoD63cwyq9LHxYclJetptQ6x4oar_1yN3qOSj1ioleLRx760bN35pXrnXf0NVp34rKIBMMHYdcVI9W84eGs5mg6XJEdwnSOaiq7jSSZMH8HwZBLA.gJKVlzBOKHgdOVhM3wgZ1udyY.ZXELWvz6JkE52rPiOjv6YX39Szxmz8xBXhXIyn1vlzKuWahHZyt0DmhLxqXaRdJWn6LXD5nebHaIiwCshWa4vIT82srRwzn5aRtD9wPMXgSCmvvOg254rOGTEqdriMjPW_HXTOZTKaTFhwwm8k1wwTna0rFnSKdkDlOIZpZHaZMjUH.6euaQCrdbAgACrmPVxQR72pKOQd_8mxDJgCH8JnzeEPDvpB8.h5RnqA.NKV6aInwxsP8qah5OJVEc.wk2i5fX_IVeX0tWSeZiidSh_A_puwWg2qzbIqT3TED9OpYIOEW4n_plEXECSVt1rXaKQ5Yz3h_UpczFEuxkTnRiLB7qf3h7FXS4Js9MMUyfmKDMzoH_up3Z4hWR7nQQsxuPoD9lRGzZbfjGYQIfm4eW7Q3BYne52mNOrzerp_RGGxrBDbxTO6s61DH2jADYCvlxfrsTgN2oy3lP0.FjIezcI34G.0obw_7Mb3Pd4ZfEb.Tt64QHo.bhD9FZGji6HwPYiHaZByKJasSihunBc0p8rFQ2ujqOalEAXbyhwOoZ_OGytQ87sH.Ep0hDVmUwDi20WE_4Tgz4Y7QM65Rqn9E65cWqewdIFM0qicxQ",mdrd: "qs67qLahyoxXWPRb_zs6iX4lflRZFZc_G9nvq9B.dHU-1739149921-1.2.1.1-mfrxj2v8kjbee_bGEV4JtIZg0jFCTmrdM452Vt87aQa9fnvDvXFIkibhJYn7Adxd9I3x.55hzYbFEX7K5Gzk4qbmQSIpPrpbZN6Na7n1qu5I12go5LsVfPGHYsddz0OuKlVbiXC7TtNsqRMQMzd6DXx3GoT5OMQbMZEoNScgetXnaEEXjm_tYTlmXn8K3hyR8zKS0tTou9IvSY1Qft26FpXmXjWKh9Yp4qY5lVnVw7RCDwGU.UjUnhC58kV0tIa4wuQx8DbXgmw6pnsfDNfw5vkaP20AkC4dx3PkOKCeaS2z7PfTzb7bfTHDtqM39kHpoqqg3EzxK0QJk0mpr5VmockHR.a_CgZ5U7EHOFqUgrqId0L_R7xyV6RmCQoLFpPUs3AvCD4ZswISeTprkT9MIgPVtqiUBwPuFAo6xwzDd00aJznAIsrKEQmM.UVlKQcvO_3OIcrHDpqdrAJI79SfLB0bP.RCYzRcIgeVfoASDDfL8SFy9X.LMOuJmR0mt68c29SOOFu0vsrcYeh6SVoYUNGHuK71BbXThT1Rl1R.80VeXlZAyePSNPKm0WfHPjuRJg5qRkLCb7liySpowH36U.h67qfxm.9oOU.cXSg6cwj97mdGEDCM946uA4DU_vA.DMhEhbqP6490LHqlA1nB9XuwJJyXfBPIEq9bhSsF7ruYZHR5EXgRHzzgvD9YZ1ESl_ZIRAPIo47Pb5Tbgu1P6dt0Oc9mlUd4nMikRiDq25wloQFPUsdHFBB4Uz9wCHZDcuTABjQkqnnwWQSjzOrTn4GH5CsiFJLePMJKyz8OwEwRXM6OIrFJoV3BAAtaV9ffe_UdDItZQi9JIW3dCFoISUSip6YrYtV.zSXzyN8_34s_DZS2XP29ezyKwFGTf8Os2CpjW_qQsmLbX6SGmFHTnOl4p7JtVjG2msUuXM_7KnMUNlb.se4CuT9tqWXZZyAK0iivAvmrT_6ANhZIIcejDm_GjtBGr7S1JhsSziMfW2V5AvMg7WfRlVj4.0WiUdsvePtJTWH3Snlbs2Okj22KwR1cWGmWj50mpfwkZ6MdAwGTDSJK4C2DlQkrqhM3OSuBRm0ziLqIl5I8zuH3Ofdg96vbpOZwcSjInymN42MO2EoVEJrU.7TiEpu6_628jDcxzELLBIMC.Sv3G_hSLRy9tnwPgaQUMBpqbtDF0odl534fzxBHxef3jWAWj4c9ZYGyFG055mW1mPCPKC6vjCVocvdzjhbKPRRJtIHasemf013WNd8Lw33xbOOK6Ib8suskjHm2KhZbOWYlxhC0cghEXoWRU4vhasFmBiiSVkx72uBdKcJb9O9wECMSeAmcpWnEiV57FvoCMA9KmJnGPxyoGjsh66_lkiJEBfPqSG9fDr00eD.6nr3hzuUnt2gKIoj9JJ1nEpPfRkIWsk239qmOo9AThs02dk94GNOk7GHsdbkjx9M2Ub5l9WIr8DU4sHHl7YLZMrGeqJ9GdEDESoUA09VM5rDD0Goxr_ISJk_w9uMd9cNw1lWgYVU5_g5oqwmG.LiZ3ntxIw7tzS06bcPJFmjZBx1xHZW6ZBjkxwS_Jieoqbq0Jro91SYkNRp8mXYsnoZD3TTPY9ZgmvybU9fofD5VR5Xg3Q8txFpD6PyU4M2xoFU6ayzd408K7Ia2gHYAP6b_3XoDteQdphdE21FBMrCdfKDbWiTcGoTbw0EY7t5skdFa6t.rWV2865b1OrAytXnSkGVRbedHTwOhnW9X5P.uz6VRzxDThQgPrkRZ3RUhqFkXV4lVhIpWTwa..sshlKcxwviorZN6h6SFqTjMxF4nClJ8HmhvqtG.KI3xgkU"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f83a8268a43970';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\/9213864705?__cf_chl_rt_tk=WF6NreL4fkfavlkon0_y6Xd3v9p3lvjsS16fyzA_.D4-1739149921-1.0.1.1-r2fsNocB1.MRsJjr5By7aT_VwDk1i_BK9p8cDabSGZU" + 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