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-aff88jrtq.mit-edu.top/post/6875143029

  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-aff88jrtq.mit-edu.top",cType: 'managed',cRay: '90f362968d8e1776',cH: 'SNP4W_sq5M_KG.4JNS2zInl8DWv73U3qcWByyuZeLk4-1739099134-1.2.1.1-hj64yZLpw5V0QqrH4.9DAFOgZ4Njf9hYikRNWq_N8lIauUe8YLhE5lGO0Xrx0iF2',cUPMDTk: "\/post\/6875143029?__cf_chl_tk=O_slyMlXEeUzTTHwncOIFae7Bargv5pzwzbMzEILGVc-1739099134-1.0.1.1-U1P7t2m75EId1ix00dOYl5WclnuNkvuNil2yu2F_OhM",cFPWv: 'g',cITimeS: '1739099134',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/6875143029?__cf_chl_f_tk=O_slyMlXEeUzTTHwncOIFae7Bargv5pzwzbMzEILGVc-1739099134-1.0.1.1-U1P7t2m75EId1ix00dOYl5WclnuNkvuNil2yu2F_OhM",md: "EDscm8xiOqnT6zCVPLZtry5evNAnTuBVaTYu8oxOWaI-1739099134-1.2.1.1-ggIDwMbJNDYtdZJ9PqSHd3N30o1Lh_WJoSIzh2UvG2j_C9vWimuFfgjHXpqKsVpCMgyVicEJ1trRIC4tjbu8FDFsJVcCCjP3VIDMoBUcSGoTLzFoYfOND9ryxOaKGWauGUowcvUpEsZ77T2GgD_G71Jjih2OHqfHepOTQu6phnEgx1h7TAfHXZehRLdeBR629mTQRg9YVUo5mYPchTn5K2KNdPAJdvEOngIErZFQTFhx_dShFil75V4D7oXwDoNlRvVkg6wfZ3MsKBpm9L5RowV3LxT5nZ0JPobIqD0rcCp9FvFrQvLunSDLaGa6c1GTIgiHUNJf5dGlz2x04jy9NVirpfKcfwmWHx9SKaEam.qgsgToKx0nJ2Va2d0UAZ6LtU8YX_M4zB1EYUNU6JxI_r3BY.FIBqyagcXcMAXgjvOSJ8NKdpOH20WfH4XCyRWhdWWj2QMyiyxubBSc203xrffU7Ob.hmaXxi26OjjNQqRKMm2jg6hrw.y09qcb5IMhz_zBolVyIFLdyFXjhHLE4BJKe0je.VZV1FyqOrfSHL1iP_EYcTxgWZVwqgQoXQWwxIDwSKYm0PwYt0BE38utAdRg1txv95kUchPSjDSNNRNK3ctsLz0wMamZQAS70dGR0LY6RVWWJJp7EXVT0vYSBgorT0Z44UAu8XMiB0Ncfxe8XzMPH2kO3ZfNsqNJ0jV1.aF.T6BXIdDHlTRGvBR2MnjwKH.HRO7Irhi_2axAmgX2sbKX8Fx9hMgETG_GlNiPG9EVM.R3fWbaTwWYXNSsTh54IQddvM0GcqLJASPoBERrZSiSpLlfwlKocYEnmK2ElVB6SLO_VRs3VWkkQpZ6y7YXgWzn3jrOPc_RFSPdQQeo.hMgANtVyL2DVWJs.cNXTixz2UyTAfSNuZoi5TYra3JrIlmV6S56a6ETeBQ1MFeUdlCeBN7xAajnESsKlk7x9F7A9W1jfPH31COhplnfPvyxQQZjoD96EdVQcPkcsRJMbf0G0iqjJbPR52EyRjNt94sCxzC_ya_C.crhF78sf27hbjp8zUl2c2SwOESgUHI7uwrYj.RTEEwV5JCMPrjePHnjzR3njDJkYsmpgoltj4m2Y7fx8MlzZtVVXkDNdQRmRN84FnS5.iF.8KtXwW88tNCWFOHJco5wMmpOhJMi0xLjThG5gTvxwnGl71l3fFYA9xlf6mydbyvQzNasX76OFQ5V5hOVDPB4NSbq010wZx4IFhIC_G82RUQWEbfMvmJEhKXcMGQ5qhX4T2zvOTr9lU_I_pW_aIcN_KNzkgty.7MQXw6NpOIFwBOoUtqx.9ElwV6WtCDdiedN7lQW1DbomLkd0.kBQGCoZUswILBR4bqT6UgBRdl_Q9vrGQYAcPudbIrBeD7cxLSnNcxLeNOLMzVTE6fiwd_QYn8I1Szxqs7KaZEHVTUEMm15MBaW4CWpjSD9noqw_KnDC_ajT_gxfNq0NRZg4EqcEOc8jMRCGM3fflDP3NGK0UNgb8x.jRklb84eW3ScN4Zsd28zc23LRZ45.Yv37AvC0pUOqNUx0VDsU93nlhZR88UWueXF9tV.EczJxYJ2Z83xo_ipJVlZR5961Kvg8GGdUfgMmShNOp_52l47DLHuCqolrBpdFi.DSCXAPDUp67HxLTB.r.szRkz8plT3A6iBH856Lv85eiFdbI6TrqbzSzYR_OzCil_.Z.xQ5xGlM.8fPFkJSdIJyGNejZ2Nrei7SSjWh62Nq15zzTR6dFrzd6yeTZ8gi7EWhf4FnPUOuuARa_ZCSlD0vmJzuwl5uIRoYOSHehvfrk2Vlt43s5dBP.VMCiXZvZ0nRVAht9l1K32XaJDkDne_9doS2g_4XvqDaZf_IMPEdgnucGjSvVSwVyWAnhXNJ7mBOKuUkMRWhXNRNHe6F_NN6tZTJL64rqbCeow225OrwJRUTmKsl4XekIK0n2g.1WzSIezl6Hsz7gEH8xOqn2529OpxvxebDPLwBD0t2MqV0NKxHawXSWETCeJobj4frehaQ2Pn_pHsY6v2CK.gATFP.nwNUPXSgJJstQrhdRVkKWC6o2YDDBe7HgeVoyYRqNUxjGjUTQvr_IKka.ofsba7qDJTRTExesNTFj5OatnRNVPq_3HIRxOUGs.LkXMUl9_817PNqg9W6eYpifHv5iZB5OhBTuaqZvdXfWUE7UqXObicZhmjkmlT.SH2RY87AjrHrrW8izhd5CG8zoo.iiqX",mdrd: "ZHP2zm4czJiwafnDzzjasFShrThIGd4NmO0Yv3.YduE-1739099134-1.2.1.1-zOm3lIldI7kjLVXl1K.XlBW8Sagnc9MekMVp.GKVyshhnB8g7IJThI0xM4eqmpG9C_ZjcLCe9wmfq25rAYhycjs1odrAzhBQxqfJfDjlB3LYJuPPmkAloBRDhjGBzVHpIw5SrHy8859fnCYGvuTLle0ETjOE.xF4f5jiCKsKrS1BQEy6vVkvzb7yy5Nzy4pq.4q.2v3z0Z24XNAli9vK3c80qqpXDMHZ3wBn6tiYwL1Jjmr7VuSrTXnW5206HgHXhSlFv6koLcohJUu16OakCdpx2P233H0XCLOzUdJ1skC5HefDChKVOyV2r.AGkWSb2q4VE.NKKf1kwOVrQlE95rutfga_IZUwwN60pu07sHxiB7tVrAMI_AzFYvJ_0RKIMXS8IESY.p5kF0CGqhhUmkKGYd2AZxMSHefJQrd1Fw2TaVBTHiY.YSyrgQITdfppCTrRUTcZoJBofs4DmJAW0tixQstbPAfeTaPUUZkjY9V9uuI4ypBVi4dilZMWNOS_1GvvZO4GCTBOaIvRZJ9ZuXBQHCGbMDfJb6VzRM_dgTKYW5GZhMFDwWGHp1jwFlypJuDVbGc.xHshb.dRVNY0w.bH4VZrpaFtulGVtB.kFx11w8r9ajn5cVAzUwYDJ3zlck1afUmv6BGpojBxThMYI_5ZVF2y0YiTl.H35RtMV.E6lbq_UxKLTN1bA1P59nblgOnWg_DWola6Beq45CEjszLn3lThaWfvhDXDyHF0LQ9DLwd3Pjswa6JyDmdrLqmWpeA8lRmMtbVMIByvddIt9oIB_GIZXvhMlNfdro7joPKNXs82PNLgqouAzaNPxF3aKmginJj35VDH4YcsrMxEs7qeVBM8xfPU05nIMd01EOv4zIhOjegc42QmElqrDGQqHHNDmUN4X0ySzlzcKsAPWDHTstesge4k303bspJ2F_YTj_qQuUaYnp40D2BDgPd7firtQCzAZXoa4siNTnLgn7_JIgq7LAIn6oW5cuWq0p.y1MITzxz5Ea3pr7PmfY.I9OsIiXDLPMJvDdSFu9X2v_9cpVXUMvS52ZQmZRWPxSjHAMQU1QWNZ3o4FqU0zajjFvgqbMY4imDcqQGyyKMtU0Gp1dAUZiwmtZTB9hJCzbpwnj7l4kOgYA9mNlgOY2T2HiezVI1v29CcN2bbe76J1kflmq9t48kKf4AFYLqGsXTy0bejSHqqRaGdXjlbt_Et4v8R5U5LfXoCAtj3R0cZQ_rkDDJenTmh7Kp.so2Ncsgx_QQ61EGWR1oRmniUFdTsge3IKqU6Xk7F.Fr2nCs9c12h5ZYkJjn2eq1yTE.NPvrNJvvy0yUtVTolzrMDes1.37c_63shaEdezjXIJLj74jYJWLed_Vw2flRPnBmcSjv60lrgfo4rD9.JIOubMnrV1FBqByk_wele5oT4IC.UJtumqVqKyoix8xN7lAlzQn1BQpWnP..l1Lu3_SB5tjAKCrhXbBf0kgeTfeMrBQ9tfiLyJufo3g_etqLvDZnifzQYirCsYMhvlNQr6oWvy3iDRTv_VY.1STFdP8RqB.r88_SHlH02cSGqWP.4ftFeYouFTOe6DgNCZ9xxuUWtSshWClifTvohj88HuS..VSqgre0y2ACSt3fdXlo8Ja5iEHnNf9KITsGjfXIATRA5D9FOVo_IcPEtc6C8YwwZdQHQLM4uSsQifjodeDDSaZXDVLxamPKpC_qCziEwqIiJd1SIoU.Ng5urzdPDPWigQhXmnPCVcKWt66UuiIkkjy6N6Ic.jy5HHUAyde.y6sNAMzDL8DfCOEJ08eqZ_0cKb8SwEw"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f362968d8e1776';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\/6875143029?__cf_chl_rt_tk=O_slyMlXEeUzTTHwncOIFae7Bargv5pzwzbMzEILGVc-1739099134-1.0.1.1-U1P7t2m75EId1ix00dOYl5WclnuNkvuNil2yu2F_OhM" + 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