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-254064536848.mit-edu.top/post/4367095218

  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,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHdpZHRoPSIzMiIgaGVpZ2h0PSIzMiIgZmlsbD0ibm9uZSI+PHBhdGggZmlsbD0iI0IyMEYwMyIgZD0iTTE2IDNhMTMgMTMgMCAxIDAgMTMgMTNBMTMuMDE1IDEzLjAxNSAwIDAgMCAxNiAzbTAgMjRhMTEgMTEgMCAxIDEgMTEtMTEgMTEuMDEgMTEuMDEgMCAwIDEtMTEgMTEiLz48cGF0aCBmaWxsPSIjQjIwRjAzIiBkPSJNMTcuMDM4IDE4LjYxNUgxNC44N0wxNC41NjMgOS41aDIuNzgzem0tMS4wODQgMS40MjdxLjY2IDAgMS4wNTcuMzg4LjQwNy4zODkuNDA3Ljk5NCAwIC41OTYtLjQwNy45ODQtLjM5Ny4zOS0xLjA1Ny4zODktLjY1IDAtMS4wNTYtLjM4OS0uMzk4LS4zODktLjM5OC0uOTg0IDAtLjU5Ny4zOTgtLjk4NS40MDYtLjM5NyAxLjA1Ni0uMzk3Ii8+PC9zdmc+);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-254064536848.mit-edu.top",cType: 'managed',cRay: '90fb259b2e47c99b',cH: 'ddu8qR6WGCs0NpmbbLCE0kLey2vLapj1E2O0ixBrcs4-1739180522-1.2.1.1-BAvp_f6t304y5SNl6VUnecJn1ggkuSJX2f0bXZPkW_tgzElGVtgTpmJlwQHBmZWO',cUPMDTk: "\/post\/4367095218?__cf_chl_tk=X1.SO0pdXgj2CQAwuSTO.OWldeQC12c8TOZNuZmbmdw-1739180522-1.0.1.1-KX2EShtcIvU2vEgr8cQKpHhamAPHbvU.p3DxrNx4HWc",cFPWv: 'g',cITimeS: '1739180522',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/4367095218?__cf_chl_f_tk=X1.SO0pdXgj2CQAwuSTO.OWldeQC12c8TOZNuZmbmdw-1739180522-1.0.1.1-KX2EShtcIvU2vEgr8cQKpHhamAPHbvU.p3DxrNx4HWc",md: "cHPKxnQbQSxmSG756lz4X.pFymHP8ozwCVyoI2_XmdY-1739180522-1.2.1.1-KUCI6g5q7hOmLOglxCZbhAqiqZ2_Jbgv3yx.fGYrx2x2wGNrRRQB1weBm1mIED6Q8goCNQn_ToiPq5PFQwxTfI6rggwjqKTaSTa.E28bxTVzQyWaK5kQmhvUK8BoiVi4SQfUXBzeBbKH7degoIwT4YbK_6O6kCggIxQSP0vG7hz7GvReH4__8Q0wICaZ.hLrhUOGazYdL4BJko_fheAJ8_crvcp9Y4xw.KQEOA2CrMXAaMsN8MOohFIoQbkCIDPXBcliA9Zi0F5vUz9eFaaUZ6eYe7VVCBOENxkACXqXo68ZJD7cWBrn4hTb5M50i72KpbyoIfIhAWZAZl_0mu5lCijTV2ajUFpIumwS76Vnou3LEV4MqOungGB3i.o5BGonn.YuHGeZCjI70Xur1e3_GvEbfKzbTTZOD1qo0tA28AL3j5VFkotaWz1Ve2LETfoUH9lo0Xl0ksB1u0WvBsGhiuAmq1yXsvTF03wgr1__iIJxSlbMhximo1nf3b2etNAMV1e7woSIGGpboOjLWrKjjga6Jt2PlAAOzMY_672CPtEB1RmfwqueS.WGVieRGWh56ZbeByWss4d8Nomwa5maJ9xSNusDSBY5DY.pSXY223APU2LjXGDiMxr0vTiSFnBNtC7CZ6LhwE_fA1UEI8fSl41qZ35bByA0.1saBWCc_wltsKpNGcrSMhwRog74V.P_PosDk7ZPkkPsBrGtGmoByIirSNk_jo2m5hdKs8bv1pBzYMlTtMIFKUNgDbyAjyMBZHrps8Rgqy3QJwXCIjss2stB09npgkvPJ2JmXBACdRzoloRAmh7L8KEJz9dlN4TFMmlO__6XDP71arV3.I0KqMlLUcYdZX.8cqkfYfN5mxPaXJ4yMpq7iWRdZWwWMF.dbJatIJu9UymZhjon1mQjOBxnZIrxjCLo6pWCbTkAr4HzQQ0wOQ.733V72t20xtKdY8GQWvffGbMmDh054dLrqkw6MMBUDJERGP3D9xhEhXqV2mNYdKhYkaXEXLP_uenpRCgL3pXethUClMptGWmJHjWMnVrjGNjTK3fP3gsrHwEKS2GED.3ykTvItcL8xX1zTEd9ylfU6iFAGpZYCEz32xfE1.hIy.gbCBEMfSOTHYRjliaevk8XSow4SS3axwk6Z.TlOhC2nPNZ5ApCG4fZ53lW9iUYtWGzW4wVtVrZB13o6ApBvY4Vb0Y8cUEOhfEMuFvXvnJne2hhgaY0M9bplIT8QkKAauxSvN5TpZZb15CAsFDjTtzzdRCBpU9LPWS74GRjXFmyhlggPncyytfjMHEifkcjyVF7i51wRFm7Reg14L2zFyucTUnSapGUTTQOPbxBazPpP5o.fyDgEKx2fVQzlctKeqVzYEX2nnnskAKzJd_RGiBZXM9KYSTiOz6J6UP4pryzK..eYbLZ9j3PfpBcDH4Xsp3kFwJKrMQVCwhoZJzGuguyiI4wnwiKuIeSON0h_05yg2ylXOhae56VXslqEbcpwIwZDycAilbapL.UvuTNwLUuHKJ_dBEG4izvtFnqKRfne0AVNtGA9to8DgEiXUakeZgqOS43QMWpbNhXWpWRX1v48.JMNFnxAiq1j4T0oy8rgC3Mf355oc6Gu09g02b2vXukPOEChm7bbzu6f9ldBQm5ros5eglRlGomqoU7wJLTfxfDHpsqw3q73Y2zZRJv1zvirVZNHMk8FKUnmgO0.PPCRDswdEjsPYB864O4kqIyaFsZftQZgBNqBFosRXELBacmbyrMdQ80tIptWH.ydJVzI99waXj0qvM64VqFTs2vUSFPwKJ3.aqMLeT4bPCAI9YXmODLTPG0YAsyCcqL09DfmiEKFabJtk4sorTu.aVBPvZLLXmwQNw2rR9QEhEi_cyLIEC0D4R3N8bWpaVVMnSmZlhPST8QeVlGJ_l9FsH6TYkLu3jE8UD5IIxjVAeAls3ybbtSk94s3Jofn8142l6rD9cWj76bqW4mTjSyLFYs.oJfi591unbyqEuV3Il_gKa313ftQWYJ3XsogwYQ5ce61G5stNm_5uL8bbQWKIq_qbAdGqzQ68d2tSTlMLenImkcC35_U2d7fAZMOYEl9qjS8DWH3uHTlnucHjaKSvp.WOCg.SxHqavpxFpj1djtO36.nLj96PDeYJRJ7li2Lekgb7.ec.DhJF2h8LEPlvHHbp3EcoStY5tC5oA7GbMBvuJVk0eSZXWMSTPtGndGlXP25AuHnt30nTID",mdrd: "H8haXEdqi49x4VOLTG5pTVb4N1YtB2yaR5AlhG52vl8-1739180522-1.2.1.1-Ea1PvwhHfAB_bo7YxW25uSYWBZCwLHTrOzZS_P32TrFSPiSPPBGtdv19YwUR1etu2pE_TZZKI4l4_zxoWEDmLEEAlFCR.9_ZCAD0lF9.gXmN7566RROraEBlRYMCn7bYdcMzqdJVvbpYS6Eifkbal1rCasVTmlIY_V51CMORy9HzMT1wSBMjo0pt2nF0oWRLGQ2HBF3_5xjxmP3NxFE5iwVpivFFDYaxXnVE3HPVpFleESvldIcpmeTlg4H1Sr_S5plwakqbGz3f.JBOn.5nzVJo3u0u9NYzARbUR2.a4E7Af3mw1f6aTqqwIbzbN4JZbhFt0atrC4we902eXGJxWIgLqP4ltOPZVnRekXKGayLnAKED0HWlzZJlSV7tSTSR9AiKdjd4uKqFSqeQ3fIj0bZ1sRKoyoscbzE8HE6sY1od95odQaQIWhjoQWLU3lHBz5mkmFs.Cz7NlP7LXD7HbUrypngK_EAAyro6wcutnFVdnnQPETwrgZ.Sd2bU256RVHRsAh1KMnfziCudP9A9Mm2snCyRoJT_djBop7C84kJ1w6yBtdPVVZFgAKnx3_x4o_DkOxRZzzBKoKtk6QfjwIUQ0BIGp_WQoyRHvmhW0_x7NDDoTbBuDkw8ROdK8WF3TitnqulY5xuMQ.P7j5vVopXZrHwt03LYsRxQXKk6PC_3Uz6Az9YNTOokJw_6POGHcyMHic57vtu.gKVnXAlTc2.BQb5tRBYtzXVrQX2zGAvT5wSnKDIwwaYtxdsmc_2QJNMwKIJMzYbsWIlt3twcEUm3EQBC8GbRFTBEBI1tgJjFJXGbXuBF389bOWjIJF_DE9K45phP00dPe.loYvClTFjMX79XA_.8YsGsODCzC6wNVPdnh_zvcs8mWCkHYA_iq_5nRToX59IgMcJd860Gy3HFszcS8Pk128DBi2DGriOkE.bgxMrlejytcsxDMZZbT7qRXQQbbGF5RYCj.ppfei4LjELqxS25wj7x6pvN4pJmrjukkJAA6vNbEQUOkOh3HhP3i8GtFRSa7dDBe6AypBgpCFilDJDfn276XPrTvoySnogtwpPBSlEtkrMKMMoajQcuQPCneMEkJcAXMNgApbGQXN0nVfpTeKnSFYCIQkn2D_DtFtWh.K51blfNUV3CF242kllujwBiVQ.0.QwtoZZHxZIZvEI.BwiHiMebhybNQ25eGWEEeDYHaYC8C1zA5..Ul.GSqi5zrjM4LTy4MrKi.Udo2u0VvuBTkERR.72EsKayhXauMZebgaygWWS6E6R24ZFnJyzUz9QdIXvLjfCjpExXlYCBJLUt25z6gHDlw3Z3ZWF06z923oBrnFNnBQ.wzKbHBjiAVg.cp9QPdEeLYf4ddho.Fy2aSAjtKmf4DsZM5_iY77bWJYtdcHN65OeUPRSYvbE6iNNWEZ5XjB98zrKXlDgIufYKRTpZZlmy_4nZFd4fQsXXAoL.lAeLwjHLp_eMHTtlFblrQ74qfd7La9RfudmPJdFGKUoeJPatS2ebqGsCiA3ffERZFClgSk_dsuWfY9FojneAZctLLZJihEOgejUWS8W3PAmGw9QA20Fq29WPI_jtNBP.81X3Cp4OsFrx3XzfPWDFmK_kWvBfI1rLg4IXv1zdYD_oqEvy5YTUBF.vREjnBsOJejdmndFj213ClgXr6if31p1D9z4rR8_lMU5EFMHLruipfUu3cRcVOYsZG8ZB6Mft33J9oPI2m8ZTTD9fCWhLI1nEVthdUVdrieFgkTqU3Y_RKVHUuQLu6Wpm3e1cDS2J.ZNbW_XbolIeC26JuMgIKEEyYuCuzFR98QdrU0YrXhuSwt.GASojYHquNrw5jsYDMBD."};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90fb259b2e47c99b';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\/4367095218?__cf_chl_rt_tk=X1.SO0pdXgj2CQAwuSTO.OWldeQC12c8TOZNuZmbmdw-1739180522-1.0.1.1-KX2EShtcIvU2vEgr8cQKpHhamAPHbvU.p3DxrNx4HWc" + 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