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-612937677765.mit-edu.top/post/4951637028

  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-612937677765.mit-edu.top",cType: 'managed',cRay: '90f822f68e2fd6f4',cH: 'fqmboQZF5oi.cFikBhx19R0QkQ10oAGuKewQjjWKHpg-1739148957-1.2.1.1-42eigEtHL31LTl47jIruCIMdV40H5T8QywBnlqYyE.09QeULdx0x0wVGrngfSMwX',cUPMDTk: "\/post\/4951637028?__cf_chl_tk=X9TXlSBTU8ftSD7sKP0VWYqYVCtwuleiujJas.m_uKc-1739148957-1.0.1.1-uzgv5s6LtG4A.ualU1WhcIEiheNX2CXgFFRXnRfrkGU",cFPWv: 'g',cITimeS: '1739148957',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/4951637028?__cf_chl_f_tk=X9TXlSBTU8ftSD7sKP0VWYqYVCtwuleiujJas.m_uKc-1739148957-1.0.1.1-uzgv5s6LtG4A.ualU1WhcIEiheNX2CXgFFRXnRfrkGU",md: "UQOmDPsPF1VL4xgFI2ZDoqx8lRVzu.pDyW1C2EAXFkE-1739148957-1.2.1.1-2ftExSiPltbguBWucDlpPTIVrvwvHML.heE2r.UkEprKcpU24392Qye06Owv8dbFLehkzcfhfUDCtwYwCTkl9sN25t8_GAaxlP46zdqmDCJt7eleXReieRdv1vaSBUNRoDEVEVMab5UGau6FO.npNjkMONsKHHcz9xDoqeAsooPKMCoDCaqJwsdMV9yGqaAfANd8yKjIrXki_SY9djGo4gpizRsEYHa1QuEQQCP4LEF3eKj.ltiQ3xRSOd_d30vuUS7PXY2tQVHc3gPvCogbsOezQSXsehuiiEAgT_u9lpuDSZwPDIkOxS94OCM_kRNhZwIUe_9bU2CmAcRif8aDYLpdNX9xH0KUMeqiVhjTMdOHhxsaPKNz6iImaQm10sSUnvtk1DJTB9IJyVWshOqo.KV3SaK5wlIsfiuFU9SF9iED5ynoM9PAx9OEpsYMRTPgqC6To3fknFE8lMZUUSAI86wbI2XTCHknkvg5mGpXJ1CDqMpHq3B41I8sgN1fYUFcyBq8ov9FBPaCZAYj0oOClSgRmzwUAzWTwESNLnyz5mbh7wZokcIAtYrXhW75F.2UdJk8gNl6F1e6BrusxsAavXCaN7pJRG2s2W2zumnzmGwZgSkEDiAS_.QGpR5xyVW4mkQu8Y2ULW21L5MWGEIbTm5d5NxIDFZbVuh2uHKvulVShNTr2JU2LSkzghJZ7zbgytgHTHC.DGlHJiOHfD1p1Crom3iivR2F_E_gbQUiiYOn0ZaV6ymrSdUke6mC_Vkv08UyoIAOXol6T8dKvdyggs3i9CHxlODc_6Vezw6vCrpa.F.b65tbZOcHuIFtVsXubZQJ7n.YMZ6q5wSox6BW8seAtA.zl1Ls6xAHT8vTfY2AgHtF35u5brefS5x7UBRvclXHYUJmi3Ockslwbgw72CRtllmOckJt3Pn096.gnQm9p.MAg.jkYgxOiBPfhlbusgLnU9hkP1cq5w8GbxsdpqH6Wb8uNnTiYnbkXeWy2FaLn3bReiCHX.XCU835xHXawLHYilj4LX_9TVvKW7M3xCWgoxybdxQXGUWXdVN_k19xgNQ1EctuLoCaJZPMp4RqEI0ZlII29YeWBsOXlOFhM9mlFEvB6mL9xABEH2NFgxxs9WUAKhn9IUfoAkJCuAsqgXS.HrBRScvr5U_5riZMnplj1DvPLGoGxUCJ7F5Hv4e9i70Le5xwxTaLspPRXbh7Hv8MRKpjtAWgYEQjlsSE3tTFtMqsh_TdGlRa2l0SKhWGoP3GdYhYkTe5b7wxKj2Z0v5Dt_qqNPFcdiWVphVNtUhtkJQgYlMvg4Pb_uMhDHwNMDFnmV47WqMWyQJ6_sBr9ZcMjXlLK5FrmdCL_ED2fPo25bhj_VEhDUttULnXtwh_gTpWt8hMFi3Ra4.V3kHeUeC_By5DZpUVqT_Bm5rKcFp5WEkCglqp98ufpJtv8NJ7T84Z1rNEsF5HiB0pEAhZpgn9Fu4E15.jBJWlIi8BfjvI8izZXkvTWm.c6tCyvCc7dxh2NBkH2tMh7iF6cwm1hKzUxgnCpBH.Nco9LF1QlX7IiHqUXud.VLZekS._9GBbw7ZWniPXG8HN2esUF6CvIiQKzcSssdVy77v1z_uTO7eOQQGM_9COEMWvP.m2a_lsd0V3vfIK3xzBzcIFniASUxQjKHusqHFRD.z3Z6DJgiv3RPISRikB8fCEsI4JF.UG3aDgvVnE_MYaxb5V1IWulI5nQ_u2cQCH9NjSIR6odXfGVmXwy_u4bIXVc0Z9Fwkywr2Zlbm5f_7DrzFsLeroAHdBgFxMDAxoAI8i4GTs9ceg1GpMs_IeYhfCvgmxsxh_9lbXuJ07xeRYKFOyTLgajD0ul568s5Ocy7sLIuMiXf6iCXDgPK1vYOxM7xF3b5cubAL5hwdlVlgFuCHHq8WsXU77BkKr7ZcsMxo3lLs6xyYTHioDk45._3e_MgY2nU8BTL9u8WJedChmCxkMPoXQLhu7jwnV173dOD2LQyFcTcevOXxZ.ZwL2PNXjo8UEqMZTKNzkonttO3Yf.GjenCZmyIdMo28oIDN6JiX0nYvx2onf6reCkA45hdn7XXLNPuXBvxXA_vREJhXMAOH0EFdYOvIRdPMNsVDl7nA9NGnpUBf0Psk3c3g_zlMJwsO.KbrkueCr5.lPkHo1SkwQjpg3wLUwbcFEoOTbX3s92.7mdKSkJJ1fwAUxUD99cOg2rb7wjsdEiZd7MB_gwhkmRIG",mdrd: "psYWPqfQh7LVfV9lkKt2.SGTP9jby0HkcQ5o65axbYw-1739148957-1.2.1.1-gmlnwWFVWDD6V2PMu5MDdVhvtaz6imuAG.niMbM1t4UlXgtDaLmrXEnSvX49eNGwa7SqxmtqB_U18JpG41leba8VRRljUPvX9p2bk2mTKmBX880JNdPGUEkXGHBVb8Nku0Rpo3cG7z23XlPSCzMiSbrqa0uIkyI87dssj7AyOqLgqTvP.p0X2KLTGxjCNhk5FgXbKi7Q_Ho7OI3E4ioyM9WjDR15WoBVD45rUcTKm5gd1tTrX0YJSXEQIdWNxgjS7svaU_DoXirmVkPzwy8ljKysvbdPgVaJepeG5lUzSACkeh8EcRTaSXpQ4vaiJ4H167Bhye_VJU7ChKQtCDtN8ihmaDvM7QBdSW41WE0NQEl8ExQho5dA8jwyIE80L24ignNt5x9X5kyZ2NEEt3LwzIa35P5_COAF9Eff5JsaAqhcWg0udwyNiQuKYkW.m6B42c6D8rycWzAgsVxFt8SrF8RE9Gs_FDs0BKMC2AhuxSE9OKbeqD0jatX4Jvvh0RonBwKfNGLjbJPPaxCpdPp10g.hzEHYbk1ATKK_qKqrRzpAz4OtxqsxSom_NcEyu6LeA.o.I8jjZiW6qJKCIw0SbI8B3xlSMpMQDpKZ6FVINhQ8hK6.cNZdMYYc3aaeuL6xdq09Tpn6EAw5Jak6UJ7rnIxRWnBPrHc6lWyVCxcOpRyASk.8uI0f.Pf9__T1HAHT7FtKPD60IQjcFcFqWcibllU6_IK5WOVjp2dWkTW0Qs0JvOynE.i9n4Fh4G2n3Gc9bdkNTx._1nF3BjzplBOaTHtvjoY7q_z.CjrxZY5C_pIZlXslDVY2aHuS_nYkdg3sn1z4jxFViQBcSdPwkdzwoHCUj.CxSAyKbsbs8VZK6THr95cyR3vCZ2g6LS7FxcsffRGRhzMV7KXuOguNngj1obtLrZJ8LMQxqM_r1a4m5bbYvoX26h7Ugx14Td2sVIbrAh208Fr.BSK.OMoG9mAOTRWb7_r76JZd2KOjTtYmodv.EA_rdFoavFwpz9Md1np_raPjji2cvRI7TzIi.WMsNLKdHhxVLXunXTJtBKC1V_UZRnR25.yII2jWaM8D5NcaTNi_xZxnTaL68eR0pWUCeB.Cx7UHGSxv1SSAfbq345S3nddRwmw6V9cCC_9wi4DGY51re3ocgROtrtFylklOKbqxEy862GQhj52MWarQzjAGZeFm2yMWiMvyuaoDJrdcDFeQELHasuVX9XM1YId1VOKd4UpwSynR4TbcDI_2AFHfMHvWZzt5UN6oO4xcH4DUhATuXTt1m4Rw5hfXAbwyMFhm.z8Y3AM046g4Ll33rsc8XG.IWRmE.hea6yunHUFAxa1V._MhaB1ruzudZXQGV3lL7T4WI2bB7if7R8wA2TDtrDaOhfGPOmFQ0uCmBtSXFIEcEdohCx0qoJCcvDU3j_sU92qhABJnRCR.2pybJDKaic_BXmDzLETcsAWWslyaqaYo0iZtTnXwkP68yBtptjJvw8_HEC5wq8nNTMaYfz_r88HfPtllAn_hqmXvlRWKiX9jomAogUG_y7VDDLai2PknrGoqHFSHykmdRtXZ2wTKmu_lvQW_eM3r_ZBISUiCwff8A848Z8ZhZcfx7wP_vo5QUhG5jCrKEUYhc0p0HWzpZrwFDf4U8qkoDPw8KxQxUY7SqQMwBjygESVxrylnM_D6ToBvJ3pvvY1ASh21HXCCDb76sjJkmCej8mahXpemeClF9O0RdSkkXw6h34qB7iExc6GCkqdpSsfrDT4C60GEQad7J4Kg1.2U9pabtTn2MIl709c.2kt6YdcsDv8NEnDUZM5Wd61GcBEuZBlP64I"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f822f68e2fd6f4';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\/4951637028?__cf_chl_rt_tk=X9TXlSBTU8ftSD7sKP0VWYqYVCtwuleiujJas.m_uKc-1739148957-1.0.1.1-uzgv5s6LtG4A.ualU1WhcIEiheNX2CXgFFRXnRfrkGU" + 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