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-068079952078.mit-edu.top/post/6852473190

  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-068079952078.mit-edu.top",cType: 'managed',cRay: '90f812dbcb5e0811',cH: 'PYSDYPmczi.oTOUpu1TyIP2khMp4Vj_NRePKUP_hJ9w-1739148297-1.2.1.1-np8_8NDX9ssfTqv2i0bbY5AUnryrVnq91eDuU_AzCrex2D3S7tYDE6R7Vv_xImAE',cUPMDTk: "\/post\/6852473190?__cf_chl_tk=aKqaEV.Qa8uFkn9a_Qd7BWenzdID_v_.LzXhC2bHzHE-1739148297-1.0.1.1-IArRRiyPToUMMI9ytvL_mkTOa_NJjt.c3WvEV3jQ4fA",cFPWv: 'g',cITimeS: '1739148297',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/6852473190?__cf_chl_f_tk=aKqaEV.Qa8uFkn9a_Qd7BWenzdID_v_.LzXhC2bHzHE-1739148297-1.0.1.1-IArRRiyPToUMMI9ytvL_mkTOa_NJjt.c3WvEV3jQ4fA",md: "YCGSa9yhtuWaC4dg9RUB0lVo.oxpvDZC9yDPzc73qY4-1739148297-1.2.1.1-UNJY.TWuRQckhJsZJZ6pg.2UXeU..S6SMVx9pQ0_gOtlJoU8G3PXyo9H9D5U7iqciw_L_wYDBTMs4ozW3SrSbyWyCTIPFs6Jxq0d69Y0_4CMp6AFRIMc9UYT_PXn_GkeKfBA0gouNothWA1lmjW.RLOEHBYA8UaYEw6r90fGlaqyg4HhkgqP4OP3klYbvxOnggNzyId3K67Gb1D14bYtSKkZ0BO1gIiQexIHx4UhwLgDNYmh1pk9lNCnvbSX_233Gq6pN0ffRWP.ng4t7umnOom0EPzBUiKnCKCF0dyU6aIBQploKCMWOvJZ9oiAvSIdMg8ALxh_LF6skNqFw0qJTNEMGNybdFTmVS.ug_kfmEJ12_aD3Gd2XUUnaaoLplWnRnT7YwpZKH.Jh901DwLI7IzJ7atQV_cj2AcL1GZbIhn0BF5ZYj18K3Phx2IsOiBNTncFytXxTsWubRX2TTQiCBlA3SOf.OG.KHKUWTS1PNHmKA9REbyGD8QZHepAF1YKvIX5xaZ2sHvNeqkh41b_w8fI1xHV6sEP9u03dfoXa5i03.7TovhUwpP8ZeHCBEH7mlrF0luVJmG4Gj8caNP.HG29uxUP55s64c1ZzW9.lGTxzrkWTaF7SrVJi1B_XvzZKkbBuU.f_A4SitVYeANHZUKyxIY2Fr5W4D36baOp3l6Bz4Z3BuEz.Ba.FAPlrRWiPS.vgmL3ubQmRM.LkK2loO4BgnZn768Ic1T9tlhAgO0I_vrH.ianj0ws9_4XtAoXeqt4Jn6H1YBV04wCfGgix_RcMmOVC.TXcG8w9XPIpzwiVwUpBUXbgR6rTglWCZlQa.cuCgMoyNTT0smpJs7Ou3qJf8f.B.sR3tAJBm_2YsIr6tSzojAb5yQsNCaH0e_ZBp2No3uDMnDSHkAdUgw2puISE7Nir7X2EqgWOIZu8va5bBX_XuWGd863JH9zvn.AQcNZipsz4poOScQvqmbyE8UrV7ZPNqT1wXgNekoAqoFYJyuOyarxGSFhMoqR8TfoCDN_dTo1zG48nmq30w3oK70t8_bjZT2Rf.Jns19Lvg0RB6tlJ2ANgFCOcr3J6uy4i6RgTDo4Fm1Td4zefX.aC.qB_11H8MS8dOaGumtEV.b2WV7ICwUWD00LMDRKq4Un4ox_JTkQlFv2zkIPUqtRBJD7byzzBvg0VC7RLAilN9EAKTtOTVSq2wG2a8pzJlhGnN_kFdHoRsIvGOqsVZOV4sNN8UZv4ErsiaOPSCnaICgzv1XY1dqu2WtXdm20Pcy2.ahEmvfZNuIH2T64EX4AYZ_kcken0RWdogOLl94WdtygMVKI3v4yP7W8m1x7vdovjTT8uzPE8h6UkDHYIT4uavBiU29vXd0eFJKRwXd6zrOh9kTX5jonve0hC4v29a9IGhwIcl1O88A_V7no0LZVNwJ5tlNwfLj8YZvOE3KE2jQGdJF8aZ0TA2f_NWELKJuJ.I_uFkVkG9ouuetwXAbgmsmax2YTbeZBSU2QObsoZdmkWWd1cQm6jWo6NoI3duOMVRCyJJMGuSyZZ_FjtLWcHYzEokj0cUU9.1D_PQYACgUiu6TQ78Hv79pnT03Ianlr4iyZl55nszLz0W6WgW8SstGhZ5vF25r20I3AOTglNnwyNJ8qh1l9q2jtf1y3Xm6SBJfyvvS_8o5GvSpe_suk1wgDXHgCBN8qVB2n3JL98f57sOud0PlJtbq8MUt6YzlINAPcwe.2dr6I4PE.7DA96_6BTr1B2eJIVh05Ar4zYVuYreb6ggIsYQ2Ddt3qbLfdSoNNddzXPIW48fakLls9Lq9B1Tok.w8A5TzFxJx2RXYMpz7.OIzSypcuZtvpbvYWPS6hr3tpshjTBZb30J3ZuKk41dKaLfQ10fI0LISsJvBXP58OmHnKhzAZkcDH7GfG_UJY3AnidF4dbvb_zJGP.lC.6OzZTAiDhGVRg8.y6.Xbxl47C6H0p.ffSO8hBqeWLhsQONkmAemPCf6C5CK7DFzeAQIbd8uxrVHB8rXj5sDHXf40m2g4zooIvXahnj50kcV4bronJ6qERKE.70zleUqhBqfUSlyQcxPk1GRVUyUfsDo8VH0XWrlf.2NbaKSHa8hm9iV_2jobwjENxTqnOhWbSoebRA3KKuPxF50LQK_A_CBv0vMlqrxaJkV.JYDmfF2GJpbuK5H0JpMVfrazti1M0S4Z94Qk3wdUJjkvydrbtQWhT.yWDYWBJNy8fQPi",mdrd: "Qx47WSDzrbuxY2SqdDbnX67i.U0o_zOMzr08rvXCE4A-1739148297-1.2.1.1-B.F4.cLuqiuPbCKGx1zXN8GSYwM5WalknDEyj5FX5eqsCOv0V94rDHOvP0dnt.rlEpZfFWlZ9orpZ3t5QX8fHZ3aV0e4O.xbQlgFxXNChdfvDzYic503mv6WW80ZeO5blF8J95jld4CacVf8iNRJjrfh3zyFqI67wF94WwOoJ9b3HujmwlVabFP4Mv5bOa9uWoHw_BNSPUTCAGoNTpCZvAi_0aLP_lg2SnJKPAYdh8DsBizwQcZ2zsaayhq7c5euMZqFH03NCIRH8kp3PL3AyXYNq5Y3mhk3TyGyrNg_5BsQp6e7wGx9E.ebBezdEe1mY6hXdElnq1pJfRGvCEYJwqOSBS_SnyXoTtdexqyAYFEdi1fOSFLMIKHbiYt_wZfUhWcGAeeqbhCY7w0DjsfkWQihiW5dFH28uYJ0KQKT6pfG1vl_SzxV8V4NWIKXCp.n9Z73iduCYap1Qew5Z2c9LfBENd2o0R.JboKXIhURu7TWyVTD1GQAf8RMsW.fA0Z66aCG014CB7raC8kQMRQJqHe8uxN9B0aAgUi3l8buiN.g7posbye6U4jPeCHLPoR86gphYSvocjoJO_q88DDGh3YQF_CGluS16m3fosuhUL7pjXIVoZNgGTUqIaynUIN.cY8Hsxqd2Oz7XeO_nu.FJfdJF2yORHtcf4xvLuGLM3OvAyP067ikKdb5uAsJ3QYypGzmdyv_AAblZu8iaOC4QtQGLq21ZLB.kc_MDvH_Pude7kUxS.Zl8AE1In6ntnyBBKxifD6jaQjv6e2cb18RMa5YziaTjbtf3hAmi9BA5gle6oPft8dZcVBjJvd4ZDYYx2eqRERoeV2KF6T73UeuMet447ywwqT47cAnFBqgyFSggkJkaVle69Hq0vFPf2p2keYIH2JBjl5csINcXqrM6Fs4kS2LO24FaUMjWd6E3uHfu35jSwpGikVnzyGGhaPb0RWksbWs9xCkJToNJWFm0Eh2lrMFxyDfDCxQmvY0DOzfJcZtd44A4GownS4xHRYejO2BJiBlA6wVYyjwdkZqkU3kGxPhGQRTNJmx2qrB4_42JpP3gsumKGkPSa_.hlfj88NWfZWP5CuE4mcSqqTxVcFM9Y7NJKiTrKyZhROuzgNaaqRUL7qm_xBVm7ov_NsmJ0k8WYVTcLN6l5Fepxb5WE5cs80Eqn.iztsIhLnG7PkHeKEcB18H8a16smgw6W8JkTEPB5mhjW2T6kFHNZMDyblTHKNNm7izGyy8YMl1MiHlzg9bNhKoeabpyX0D21C1QVNIguLCZt.DVq4EnxqCxszrZ2qNBcU339s.b78gGJSpVbA17VvJknM2uG4M5F2.PlScZg3C3gkl2tHBCP8mz9EJBxNwVyUkSjUq1.lZbYShN0wy17Mj9FMP6buKzNnfa.km36jr6SyHt5jctIFH.FtKhWyy3iqPDlfIAsN11FkIPTE7ylEfv3uSidPqdmPCuuWI5u9biFD_BtKZKF1lFw.Rw1Uim2tivuJNt2fz65nigMO91e3eJqX8dnJfF9c.12_daX.5MUSz1ychAg718FnIJIq9iqyektpOLh5A9_b3e7rf_G8XSL.nZ.jTk1m7cwy.7uwpjIhtwEo8ZvDalA6XJTgvfj73L.SB8_7jU1aVHnyr4k4tSDpPQo7p4CUmFNVKujCBZJEDb8XymbWZ_YtjTqVl2Yr6F405eM9mMwEB7os6lB0rwuqiobeNPpumpuKoXpDpx8doW14jYAR_KbA2WYPsPER2kq_PjsBt068nBdzF6YE5YtyjQYDHcF_J_GYyi_gSuqR_1bhnpVpEedTaASBCX8pW.5NrzoPazmA"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f812dbcb5e0811';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\/6852473190?__cf_chl_rt_tk=aKqaEV.Qa8uFkn9a_Qd7BWenzdID_v_.LzXhC2bHzHE-1739148297-1.0.1.1-IArRRiyPToUMMI9ytvL_mkTOa_NJjt.c3WvEV3jQ4fA" + 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