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-212991799619.mit-edu.top/post/0812345796

  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-212991799619.mit-edu.top",cType: 'managed',cRay: '910f6656daa3c553',cH: 'zIIAs74UxUiYHmjDXwb4Q2FSv2AhcZ0EtVABf_.MSm4-1739392889-1.2.1.1-9a68VqLctQ9dmEKkQzeMrIGd1jPxDyALD098oZiFxkOLCdMn6W446s_VaFJWIQOR',cUPMDTk: "\/post\/0812345796?__cf_chl_tk=xwEkFz5vGANWJR4QAPg.qP6jGr9g4n5KxxAy8oVz.g8-1739392889-1.0.1.1-V5QCZoTuO0i4ohsWk472UkerPpe.BWHGkNeqTrzzkjE",cFPWv: 'b',cITimeS: '1739392889',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/0812345796?__cf_chl_f_tk=xwEkFz5vGANWJR4QAPg.qP6jGr9g4n5KxxAy8oVz.g8-1739392889-1.0.1.1-V5QCZoTuO0i4ohsWk472UkerPpe.BWHGkNeqTrzzkjE",md: "lbvYYT_SuZf6rTwbwIVEo7QshRSvIVJXZRwQQpEVmd0-1739392889-1.2.1.1-REVY0nvg94zh1m91POnwAvKZN.kLJ1Bb8WX291vbj28b.4HjkXYwU.WRXSi3b_pV__okC7VxTHxGIbZOqSNJD5s58t.ApfT3oF53m6I.6i7C.z6YEm14nssSViAuIY1KwruTkWYXIIdUW14SZN3V4KZv2YO1AzRlt.yc.JvnkWEgjaV7OaCuo74QFUInXH1A4KEvcfVA8xUs0eVWK99yRtpGY3jrWo01vJTM9f5ed9demI0F81fvx8YGEi4yy.qASiPsZ9CduTmmbL_M7wVWBnRB4l9..wRa2RLrfvnxlslisHIKV5LVkWx4s6qg_jJRQMqmLJQrfxLJjYo17qO4cFoJnH8XVMSh2lg6pH6ZY2RQqAxTHCtc7IrBYkjzr6d_r3aVHBfqQRPY16NVBnh1J7eHZ8JD_oSldefd1n0X9YbUP2IBbsJSUs0HJIWowzKWLQk9EwvG0sxQAsqvFssjLHhzkRKse16hbkRHhwU75cL0UpaQZn0A..CExybNJGNJA0Nh1ExNgaQLyaFNRB1FaZx7Aw6RxUq2r0XHWszIesQ3C40oZeKcSakwCqk_la.RFQC62.rEOpvUyvp._V5vMGWvbdvHYzoVrOA7t07QVr4THppVVebggHDn0PcyCf53QDgpeLQ5qlS9Zd4PrRQdSwzuEla8EXkxVdsxy3hsyaMffN4BkjeAd3Buco4gqpW35dIQ3C0a1PzbsTkdKp6Rfful_03CNRTXv9Q7QXlGlIGDtnCjhgx7mLz7FMdV4u.tgCa9p7BXWPl5ugnrSCD2lHGVSNYCvPy3NqrZIZ.VS.xEeuRC_ojwcud3oiauytGIOC2qBx1PciakayL34O.GSWWfYIsS0OwZ8IVe28GMxafx8_dYP34Ol_V6Carj2Bdc73zOsZgrJuNU6pKfKc_Kn078QkabvwJbRoaBzh0rLntEafFcuPJ3GI3YH0Dv_C0Wi9UG1pXh1.q9f6RGjk51H5zvkRUSMb2ouHyk5kl3tYFTYa.1BAlHgRZgS_RTtPywjNDNdKQ9OaKVo_Z1OeBH8aQJu1KaW1zov1cuuKHhG5sn8g6ivJFg.BTX8zaoTc5bq8wfXVLDxDwwq86m9UMRt7mwuYY_YPIFEvK5gMAOSMgkzYwMvBuK47nd1tefywGpuIR2kv.o.SqlXjCOdtItG8K1BGeEzklVAM7W18CicQ7PISzQdFKA49L6QI2KH6FAZa55dRm98UPcFMOWIYzDGoI5MY1fdKey.ZXfkYmMnRgH3wgZsYUP5gUcUS1q5lPkIAlhFaVMgWjWouKMmZF5NU29A_jvcx2IADw02fu0f2bl0lc1QX0up5nAjwj0wUUrgZ2oEVI6veuk175qAs7pSHKn0Sq4mVhrU5wp.BgLpidSJDyHi_3MI7T98527byN3vrr4.34vwoLlQOcoqyzm_FqI3_QP2pMVfDmspb6WyPBbXtuL1rqzA3ZKgSC0bottUC5Xy3T9Pskru6dch_YbFch5mViw5z37RI_Sz2iho10YXirl92Ktk5PA9YbYTlnVknHYNfqX8mNg6DQ1Qmg9ITu9FFZ99Stql_4st1bRQ11yv102CSuEw9U6UFd39A7f_8.IELwuUhx26EWKPzXnHTlzPp7DvItnh0jN.QcBsadyz1FCw8IIgjEfApVYPftUvMiNyXkoZ5tT7.TS.Vma7NOb8cHWaugSrTLBhDjl3YuIbgxa2ZGuZI9LRRoFiLlnsp00wHWbnJw1DzdaX3qgKceuxaxK5i2T.SiuCAFr.u7MLszPRyBqGicxQJQ1U_IIqatSGZJ6km70At5v6lfABle2zRNdmgLHVlxvV05V9_bRri5WrNhAr3xM2AJstM0sG7P5atSHkECk.DbE8TUOQWoRGdOrClBVxr029ulTvIiWdtglnmgquQerNlvkY7z1k047aXcLz2O6HnSbYmKr1OjabFjmMvM.McNw.18S4CJyHvVgxQ9lNJlm8IoffJnAUhGYUQac55T7sl1ViYaDxiUuUCioKe1tUYy0SbTcEkau20IEnLh0R1DOtNrNHjhXa2jmNQUZUow4.QfoZ6HdZv1xVj9bevyUmdIovVA0Dz3.iyvbB1z8wuD5WU89uAnS7G_Kht2ZCsqOjxhIoK6uvWiaGt_I8iH.Aq667xCcjddLR9EuxUl4oYQX.SXirJKCN0MYD6oqEAI3TywKNViZkWeyIM1xxqY.KoB72C8e7oymubNivDEFUnxhoDKKr2I8",mdrd: "vnIBWJmbqwtAzB0Iu_zjFXIZZQ8IxIa7pRHEmRefKhs-1739392889-1.2.1.1-jv1OaPDqnKfOy_KCTj_4FrSGN5Xvv8fwPmQqsalsUuhGRn5IBGoNPkQNDr5om8wICraONOU.St1H1CwI_QSa7fneSreHqoGgiDRloJ_k4g68qj9GvqlnPv.aKYFc94.2VcfmY9KxylHrkSTmuXKewvV_OcnzqzhErItS.fxetTh71bMfRyeTmcO8yMiuUPGCs3eXyzwkcO47m70bv92DxrCzvGQczJX.2B6JNx6KXWI_5vgsxjlxgNCus7q.K5EdWqVSexcM7jGCK_MN99m_3.ySlhqoFo3qvlo.zq94BSJOCNI.iMbetsOmmyDuf8mT1.4YdcVO6429XMKR4HvjJj4wYA1iSDH8KlUmAyzytJFsDw8eBUpGpEgUY1pQGjU9Wca4idQ8Lf2DyrZjgzE52uGccI4Z1_md_4eyZgiQ1fXiA.FKtBiIlhLGNOlI9_kNWd8BHdb_qsfQ5UxocbDpZN.ClcwOGMTYICKk1sm9opM0m_TwsHeGJS7NvV1gmmYCzyr0ruEoVubqO47VC8Yyh_R0ugpIM9un2zeCSy1_D.G0Su.AwodJvWerbzl0sPfrotRgjFzXz.AkbXCet2OWEpyA907pVT9pir1vHWLFULMmwIPLeZxW2D5fn6_ceYBXM_dIDZDdEGEMJqXM8GOTDn4WnEnRrbK.9S18BqVwVJlPcEdRDOSfDjxT9Mhw2LYQdBxYvAIfBb48sMFH6ymtjR1pwn1SM8ZYNxNfMKUDgleKg2LkOmW0iT741gl.tlxJW0Gq9kpuJm6EyWaNTay3iu5_rZZOA6bBt.0n1tXAZT7YxwyRRnAmdsOkVPPxVRxGLwLT25AOtmZj3QBNVCIcalla.0AGuy4DpdrebdG3GS6TpDLnQY6wRI0uBej77p.nQqfisZKLWEjBWdt7wmLqR8ETIELOtH9UhkzN0np9WLsc0B5bWUoVi23E8d5YcF1IgTPs.zhRwYddis_z9pJaoeG6evXUXhKYw3mslXfqiqvnKwJeuIw8HWyJbJxAsKNamSYKqtObOS.HwsN3glCYAAFKnk.sVOofRkT.19WLT4NoPeH8EWgv_pXl.WZn4tYA.gCcc2fe6yGOWTslUvAOrq9QDX6TK4PiZH.YakGku5qiXx5jQwCz5ikg7ygtjNUt.6hC26u9l_uO.zyhcEZSEtRx.IJAAPbBdh4UKEBQGy8phSgi8KcH.zx_pZ8CXC0EA79L.IiTgNxHY4YUGECg7ztPvV85mRn5mbfvAEU68nCXmoHVWTDsC7kBDR3U3sHeSYay8PqQN0j8i1KGRIAQK.wroNnRzAziXyLWGl0VIpQVeIq9UwdhZYF0PR3kzGEk5uThcYJ2XLRq8FbMVEvCAdR2Suihmy9BMavI_zIKj1HXY19zdNYt8HFyPMzUtUyJ4KK7YeylLt7RzZK3VfC45ibhjmnr8TK.TGMs9Vxaa4vXNodwkjTyeLLbdPdPbtUrKbrTmce1P0vJkkbgyTD6PNiY02IcHCio5aWBZv30xo.CuVJdRCEOJcBLg6Xz4MBeCtmqIizfArYJcUVrgkVhgZ_vSC8v7bs6TndEnVkKJUo0sa.OA_xS8naoBDZhlOmvZbcOrqhnyof0sr8TBULcthJQbKgoyF4MmRhWib3S_TfvFq_wI0EKp.GpScW2UnEWksf_9bQav.KBv8N9fabF9.K_51VAbigCAa.GrNje5SutKbbAuYFHyHA2ivkAyjb6BjnUVD2.mM8AMEd.GrOJ1Gni2c01f4KA3ptcJV0h1ihk.wlTjx2Gwt51mzmsieW2QsKy2USzFjAHLKfOcGdrCA"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=910f6656daa3c553';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\/0812345796?__cf_chl_rt_tk=xwEkFz5vGANWJR4QAPg.qP6jGr9g4n5KxxAy8oVz.g8-1739392889-1.0.1.1-V5QCZoTuO0i4ohsWk472UkerPpe.BWHGkNeqTrzzkjE" + 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