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-affhxrtcq.mit-edu.top/post/2958340761

  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-affhxrtcq.mit-edu.top",cType: 'managed',cRay: '91100b295f48e5ef',cH: 'etMmuQ074ZpJXRBL8e2S7LbM9lg_sfbKGWyhqCuLo04-1739399640-1.2.1.1-lSe834cOHc7jJnfoXHVndSWL5YjfewoHexgz7Z9bNKst3u.xFj51w6DW52P.vmAL',cUPMDTk: "\/post\/2958340761?__cf_chl_tk=kdpw8kht8NTTmC1HtNJCFKNSS2ceiUEnCteF21wKZU8-1739399640-1.0.1.1-RBtwenU9jHf79D_OE1QCKG3.kRbGeERiP47F8k28tUA",cFPWv: 'b',cITimeS: '1739399640',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/2958340761?__cf_chl_f_tk=kdpw8kht8NTTmC1HtNJCFKNSS2ceiUEnCteF21wKZU8-1739399640-1.0.1.1-RBtwenU9jHf79D_OE1QCKG3.kRbGeERiP47F8k28tUA",md: "prlKUbCeRLxwxAu1Jdkm4m9LzT.bEQtFrvIOIoWFvXs-1739399640-1.2.1.1-SGf53Z8WpyaqdciH7309sloEYI3nTff9ZTLPXU5L7gNZeYgBNeQMuKIfyeuZFp.DfWD_zV.lM7ikBJI2taZHn65L8ztZ6uDp7F0FVpY8sNnvi9z_b_j9JSoWhyoU1Wk4zktSWecRd2hbevzNw9SJg3JpjNf0oApCiZggmGodQfR_ZO38dBvpIx1MsyzBuoh6.zCGoMVcXg6F6pNR5apLLm8hUWrreEHJ_KjpyELfihPNcmXS1tiTZzLMO0s6ZPg4jC6m2QxDLNJ_uWvLGoKUEdQKyDp.X22IFJqkx6kb2kO7VntHSqNl5IQYJde1kXbh3IMhnQYs7BrOkqx4NkDHNUrkYW4XvhGbTe1PwdDL7_YXXkwJf7Jq6Iaj.nyyV7JVYR0yh9uZhocVmNs7IfVEUBPuduDFnHVfh_IjLsw6ttHqil6XGEt7BUowWbmsTQ4au4TqvxJhMaDq3SJnq7k7hludtpgjdyf8aFlpC3t9saOKxf3OU1LCcDEPTSKg1vrEfTioSuX2ipDMQkZES_XiT2rq.dSuUMkH76RT1LwonQyCrnreZCMC9fRJKdSnWACGOvxSkGJJClbjsYif7WNO.eCWIoC3zODlufesMOmvE8ukLgtnqTT7_4Fd0Y8ZFNVcKV.QnwCNImUtuP36GGaTuzQm34A4doFL22JWTsBn.tG1nkF3t_iR_6Q2tosDBu49m.YX31n2ocI78nkwH5TcMS_bgB74VFca_m4WvKME_bWjNCMoZXw6oC5PJMzYwOZzy0TdTASBIojd48aHcxep1GNeDVz1dxis5fg4s1KVJPMEhcgwm_hlAxesMvLGVJL2Iv2HrMAtZD88aFCEQhQ_0Wo1zr78U34jmVSt1qFy79bN4D.aFUAjvwcrvAXHLttV5EwrJffhPMoq5OlIP1WWUBvzsSOcjD.wHRVfk3Zk1BtPgSo5YvZrpadYxJkRhFlRdo8zWD9OmshlsDFd234FWhqdAPo5oSucOwPRQFhOiubnvIM4ecTcJkU.sgnva1qvoVCgJaBkfaLkKMhihv2S1OP_xoGX0U5qDRF_2H6Jvw3XfiZSWXKELsUhvhAdmTmLyI7egWBnJH33nA3NhObx6lJWs0fj6JtNmT.PKND4a5MFkSdK2ymBLTa6VjBdzwJ41Vx3BQJdG0hotnZFXQlgMvA3edgP6cSsUfLxrvmQLm4MfBNesj3WOeHJU.VuUL_yUTsubAExq_4t5.bsAbvHkax8RuRyDXK.Ikzz_89Zbn5ichlSQ.rbObxiJChIObSVQrm6HW_h6c2dXtJrkzzy2oduszNthl.3Xs.C0d4.5S7P2DqymB4HSwO9aJ_GFUecSKpRxpi2cwJQdn6bZpXaCN6EhwGPDV39Jl2AGw.iMD6uz1sHKHkpO0bN9ZNFfKMUJ2JfETHysEiF79G2n5r5KxCOmtDKjtC6w_RUK6Sm5ddeKo3sr9zAvSs3MMiBaHsMdnMTJ5SKSJrSWD2y6eFil9Rx.g7.58VJCdDe.sLyFxROfSgrOO1j3S6xtocSTACjmhUQPBvKddA9j3AItSTuxyV6V8hv1ls5BplsnbrP2Xr.FVnl8vb6C3g0bhom37D3hq1rnCPtu0pSLhtscbCX.r6xXaUcLXAbAd6Sm.EiZI5OvGTl0OQINfK__FzniUS6COf9pwMyxdKtthAKs6HGJpLhtvSG75gUYR4aMkuKpwD9u.AoNgSgVvE8buqOG3ZFVKKW_BJoy_82LmOhrlrmVngupe2UlEVpGl26DyEBoYWRUWyYWI1EcNgjfNzMte8oTy.mtaOSz6xcvrR10.E80gRWjbG3g4qujda1L9cAvUnvUYLQJhm17VPvQ1EyK3o837mnMkswUil6LUz49aWicJbuJwvQkKCCQsnooxN1dl3zAuYIjDFJDbQYR9W_xg_wsmQhVYw7KRhvbzPjpf43g0OP3_Jh88Hf57zExQWGLvn9oVZIrR6JWYOq0qf4mkUyP_cvHxEZlc3wu2YixTawyrmx_nU.6dyn3IcdT5glbSd0PSjKBvv_1OOYnMSwJasDOtvNOYPd2SP6S8xASlUDtYv1haihMNz.9Ug9ie_K5s_hvtamhOdwLCZshj4MxJ_dd5hKWuFXmgIwbENXByn.ncKMRSIWlVBsbbLIW_r47SmUCGiMBNSrmajolpPk.aJ3BVA22MWz_YnCYV4jSEfFLzSwb9XLDAWynVIX6lmuwls_3ukAhzkkbyyyU3MrgyW_",mdrd: "DwIRpn0BypEJbI658OUmsbWLxhGFARQEmtrcLqarqR0-1739399640-1.2.1.1-RaUNDWv_f0X554QN2e3Nm1JpdFtoQx5VLeEQJCNcxgh7FRBdoPeT6swF022JVPO6DyWhGVdY4dHeZNQPi21CslC5S9VTO2vaQ6xiGH8_rFhB3A04S7kjL37xIbDZVQLQyRfcSwYyfGujB0bEtxJymFOQvH54J3kQVeFrz0tkcgdttvT7pEUpyccqB5xIKxO6IfLLAON8d4TvJfj8Ql978lDNY__vlbgNTjE8tUIn_bwZRynIf2gVKKI1butavbfvMgY__xKrKER95H_9wiHFaBJe0zctD_iIR_CPKw6.w8uK58NfAKHBCuHULG0vpm4E7QDVPa6EzDH.dF8SwT3_h8X3hMonyF6nrdWFq9cByAdQuqqESzTdCblAXZ0r8bzizonPELDjlGiFlx4IEiH.hiZBGsrDOeeIwStWW5nkfw2WYHn0nJW6Dqim7Q9nnrBsJMfEvhUO_ZZVIt.N7fHZKhH62xIiDzePfmi9KAiC9_4bbxTC8Qydz43wMA0bfkbA4YGTnmMVrAZOhRb4rW3HFN8L4YMWkYpvyP54ziLp1Dzo4GKA7KUTesZHFK.ZpcJIC4WAUYySBTgzRxI5MahO9QPnc0AJ8HwiaazUhmTXsa9jplOScMt8ac8gwpDdaVCi2eS7nBiv_eTktsTUHc2n_SQZB6tuuODip2G2IZoYjoLmMCkpNfZJB5ZHYDfGPlESCf7CX8zxxyE7DMAhBn8YUbp.xDMpsTuYzlsmdWOxyWijdoygQqzARA8bZGDUMeys2CM1gPEl0yKa0a7BEHZXlN_JZhQwLPIaD6_gFI47dhrcU0lBrlsnV_zxHTupiRrmqM3md95Fw3pCNUOIXAMzDT8cYCwg0sp_GCVWTj3Up5mEbqP0f8mDoQW7oRpSQRnFRk_6P9Mob0bf9f90jSdD0d5qEfPdjRDcg1wdfK81V3LHy3yU1WKeuFQawzmSfZtlmiR.TXgwMYjgPWO410XG19eq7Bia_VcNGfp0jxQDgcSHbDqgVgFhmnjNVhPTCr3RoL0qWtp3KRF40EqoOH1tHRoL7PWZChvoePLStGkzHAMSF4966mrTBHtUy6nUPstce3V8guCYmDCNhXerGAquVpJt2A70iy2qpZtSUtNysHBC3kjEHlhOVE23QPO_42L.WcpOpj4OvBMhuwSTWc93p7d4n4gUt2s5be4dGw4bCXuyztUH6BkLzkiXAscQp1kHfd2ietjwIvCKOlU50phJVnOCcAaqxc3CojM7Dj8pWoZ59jvjC26OcAx5NkzCMdHtDPyf3V17U5dwcfkrNDkBMUqobXrW6.HLQTTv344ghBVIUSos7h00VZgw8.eI4C4yHFqvZBH33tBIYT.aLvoEycpdOmJxc7nThjs8rv7auqeybg6FjsTSXJ7pPCa8juJGKVqaxni1vW97FCvaO5ieqy8MonNy28xn1Q8HhJk4s400DpfMWtw6uWOvKEnuFWgxyPPwrH7Wf4oJEKcAw8OTnmhLyqMvmtpxAOr8LWgomPaMdpZs1F9InuBzkUktrIP0MY5sjjjXlxt6T4QlbmA68r4ppl28ILReYm7.aql9DU8tKLrfeErxSFZvSpbR9KbcLD04WDicIPIR4jLreFnOgRR5Tkk_2X7wxxqBLsTquGNJBj8Z1upvadSq0TFEWP9Aupo5YEfVUQfA47oQ3F6HE.q6ElIsq1AKzzas271KEx1BnCfUhXhk2FfA4SIIfEoCFzXAGKRbPwDlcvHcf6mJD7rvYWe9erVPBjuNpKjFs9grSIqMf4vB5P3CKyXeYFPL4IHPw6YyfKEIWakEo0.60.q4q8UBuRr6GNqNOJ2oWsQ"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=91100b295f48e5ef';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\/2958340761?__cf_chl_rt_tk=kdpw8kht8NTTmC1HtNJCFKNSS2ceiUEnCteF21wKZU8-1739399640-1.0.1.1-RBtwenU9jHf79D_OE1QCKG3.kRbGeERiP47F8k28tUA" + 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