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-affxhbeo3.mit-edu.top/post/8039615427

  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-affxhbeo3.mit-edu.top",cType: 'managed',cRay: '90f3afa01ee7c5aa',cH: 'JEbCYwRRY3zRN1TskJUF8ErzOBvx.8ML6.r4m5fCJY0-1739102289-1.2.1.1-qNNo2BVHMY.YmaonkglUWuDxn9T7sdLTH0iIK_pd4eA9fMhTp5xevPMcz9wqgigz',cUPMDTk: "\/post\/8039615427?__cf_chl_tk=.RwntnrORxLzb7aaXbtNeiR5Rh26dZ92b8kKyqzcc8k-1739102289-1.0.1.1-cnEAxPfflmm9HY_.37IZrvKg6.YnJ5CKlhgRbRfr.Po",cFPWv: 'g',cITimeS: '1739102289',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/8039615427?__cf_chl_f_tk=.RwntnrORxLzb7aaXbtNeiR5Rh26dZ92b8kKyqzcc8k-1739102289-1.0.1.1-cnEAxPfflmm9HY_.37IZrvKg6.YnJ5CKlhgRbRfr.Po",md: "qvLwN6ZSy0JwrIDZJMxiQgXjrDO3FJ21sO.TOx9TFo0-1739102289-1.2.1.1-f.8J3hdU2h6tM.fMM0v_hnM6BOf9CSr7An68syQEJw0TDaSujAZ_O1Zvqb9g1JP.VIT8siLq167478cv7s77iKOisqAoZEyHhK1V_xxvrCZgtPCWR.b5kp5QsTpfkzVNziHbXJghjA0u7ZKcxRzj6jyxSVHMFZ9HQefHifW7GmijKfGQSk5bVDiSQDflTPY1qhMJ14vMf_J2OF4VH5pZS5dLqo_tMDKiDPYpAdiql_iqejiRMvtO82l5Y9MIJOhIfsZL6gjFDxfyP8AbUsOGCX.UlsBkRGfgnsb9CMp7bhBoFbg5YbSQOMxrptOgK7gx4EBKk2tEhwiNRnDzdjKQVmH.5sq76XQCYiNQIUTwXUnEquQ5NB0fZZnmEVxKZBPZIQKpepwcas2Oc5FaPzv5D8f9tGYeYwcywdCvhMsJF3gAIlbQH7wyADvTIZxR2RKuZjykod3lroG.23Uew20FmUFAYwJ50c6I4ZRTYPb47Q0AbMI1VPM2CnD1hFLSmw.InJzKcv5g9EyTFCy73bWOP1yB9DPyynn8OMA27ZW5OKbvcjF2Y8a.5W0njv41mNp6So_poyIE3vcPF9lVgWnA29BKHWMxvDJmx7Rjcsbn5eDbn6vg3YXayqikJVE59_AWWjuXWh5EByo1uGXKHT5LSCnv6iFIVNE26jDR9r8RpGsnetEVhXv9XIUS9NXamUzC5RcXi0Nh0TJwLlOGPSWAnxn2vEbVYCtn5UuKTqMqTI9d4avscPVUn1vYipRt3EWXa.ofOOvKpVuHIoSf0cmATFcw6vZgMrlaojHMCMlb.v7znU_6tLPuvx0mGycNK0M4vWzm3JQn49MLNj.z7FwRanPRWgBCHRrV.mjSLxpQLFsv8iBntpcO4BiL29AcwiVCVVVCeZySWJ21hczcF2INmBwlc_VV9lR0zMNcBXligd_bGJgQrZMLPlF3Q5xMqD.xr4YoQoDHcVmzI9DQHlpp8Li92gTYl9qSGQ3VFZ26PEvH_aVqFr6NO6GJyY8KeQHWyT8aSI0tMaB1EjcVcDZhdZKCArxUApoId34nBuwY5NVRLyTxVMan75hRnCh2RpeCkw_iUROSQopzvWD1l_xySJujZvmDDCwqaxmSvFFRip1yoqcFfD6iZwvAdoNOK8f73zWN8Vsuw1NXzKp32c4UxeCoW4ynhsOGpOWGo8shKX6pI8PqikPQ8ZxbBWiSmPokWg381M.XTt2sdRJ4h1ssrsIZUNFHtJCaPSvuMDwb_iUQ2KVTRhxWLUZu1HDiISGm7ZPuxXY3dU3VQyH09T_xrCgEtplJoxJ4a7DmMUm4vB_OMA3A7OMWw0A77hAY40XxGsRKrymp3ug1NQn_WwFjUD4rhXwkLzsSLwWA5aWBW2lP_AKSW1W9Obuf4eDui4rEoDUlSP4CDM7jtgeYW5Wj4EsOBmE95gYsenlHBzXezpa9j7hsBQfnUmiu.AUDXFE83AjP8JNZIgv6055XgiTlyDdd7hl3THjjVbUtIuNQyqYQnWnGvNHlh5c_WfKzQ7dxpJvtBWb5ilpms6OAsEFOepAd6Ttd_5LFXOWODolGO22SKPZSW03PKc63GMLXmXRo.PKrUgzzG7hq2NA1YisFSLVXkjMeSzJwOPMhIGa0F3F6YVGz4rcDr2vpdkYG01hOoATmLR6dCHg2jVfAF5Gc5Pf0uXcvNZD8fhz4CZg0TFmrRz9tEaJjHjP53zeeiwg.VIP2RFH_5tiaQip5DqvT6QTmGB.0_bkiugo4BVxhvJrdilgRcYRv.ysVio_Fu3QTQNhLktLQjnmfvJFG0csmyjUHRQ_gJ4xb9Ujzb76pAWPpHlVFkCCQOspJo17ymh1Q1hXVMeMClq6FHw1mc62.HhCbnATeXQcbvpSTYgDnnUcVJ66LYkBGSJQsRruZ5_IiHuJArL4_vEenabEOmsG3jFlxFCs3RpjLrSbNhvmsudYhOhl1wavRb4NNm6oDhV5o_ln8MLzBEJuMdPSPER5Ddi9KKjWDkubUfHoNg1xXssTmjYMdmJQ1JGTkuydY_Dd5AThGw.1_QeT3DSIBUdva6tgdsk97I_RbmORvQ9dQ5GUmWNQNal5FUqC5mWMzcxkdy1CYeN2sG579WTLxfI5boFbVVh_Mt0vTlZp6xMBWTN95RXFi3nhNycQ_3byhEzY3.JSbkhuB8XY8cXhiXq8xj9k3wXluOGXu18FbuNgnXJW2CePITZQq5wY9pILdFPdn",mdrd: "HuVg1ssjxSa.7.ASOUDSzuG21Ck2OVIbKEJ.FwTXeng-1739102289-1.2.1.1-EPYjOSpSSuKQV36qJZQ8_BWA.YJIU63HppYpDRD.ebBO8se9OXs7pz7zAXaufNIvlG7OeGtPKblaH0PJgol_l8Mf66XMLSU5o7pb0_rO4A7t.VEH7ExZcS9wFBp02LrEESDMBeXT8_kIhES6Z_rC_01koKv7tWPUGLhpek9wB6fZj5zCm2EDQsTDy4HydJpqeDVizdROClIym7YIQw_LnoLBt_.bp3tyid1bmbgc3xf0AD6QTt5rFYBojADLVVZ2HISy_aq3.cH6QdXMQOwsoH0WvRAwXaeJ4wHynSDGwp.oAznkS.C2p1AXhwZmvO5ScfpaeZFthNu.cO55pu6ZrtRqnVa4oSMpXnC8e0LVluqlptuMRLA0xGCKO.NRXn44KYkU9L1pRVs4qsSyE5nkmu97WZrMR_YU6dyHC8NxQjImYKLr4TnrHQD9klRre.Dox8AOW2ONZ5NTZEl3M7pDAewm.VsNAimrfsp_e6F1eVsaYAZRnHlNdrJPc96WnSOxOpLapEoNJTiNdZhF5CQI4_EToY3mdHiuoHHZv.StwP83OrUYAIkpNHxwOxUziMJr6eoJ7yaZ2znlVlk96DOH0iqK8jSU0Dw_4KiVn8L5AxKCyQftb4iEtS16Lqmv4ryxh6wGQ3D2CqXBpaJshiggSqKAynR1mrNXDi0mVzu1lTF70KBapyOd1eeKJCnCoPhaOWLxYxNp_YfZAT_JvMlPQx5dtvnHfWzRA8zVLir_CbB6MfV0bWlZxcGnJFKHVfLFYaL6MF4PF_HbfxtaSrLJi6pqBk2UMZS6yfJcLFVkendwHmZQ3nx3u7hyIvd0c8t7xXfQ.c9YaOUUmySb3n.iiBt06S0AWqwe6Ui3TNRAIdwlJZ0cPeC9AFDxhc8kgZu_279cxfZSGWpr35pV0oWD2yzsrOiBljdjHatIUSxbyhIE08CXE2eErITip8REl0nqTAbd9k.33vO0oJ.ZWHfcs6FgnOmkVcBoCXKOlPrEMl1_F140Jst_tnxYq_zko4MHM_trDpXw4YFkWKDb_YubufSHodgq3W9OMj1HWqEnSZU5UsCP7pDmbGrOhe8IfkUS8XY5cXSrygX.NBfPmYfy7xwxYUZHxRgu5yF3DoBo8Jj0rhQVg_b8uTM6h8Qdf.NrXMnCth_Fx_XVCwi8_6XS7fuFeYErqflDZh4SCsQuqjyfcyX74.PRoWEJsZO9dxpHcQfcosHae3Mky1pyeKlryc5cUhrPv4c76ay.0mfMuf8o_IX12pKbLoQ3X7cpGexSAdAX5t1g2zMjNdIq8p.iTavl.BNGfQoTn6Q1TLMugdANxjnmt8XzftoyKGsJxyZMI7cLVSbl5U6d7d9dYUt3sAVDu_5j_9Mb3e.jSIKbRSN20oqBXQh1HnjWo29BwdYqLBWIFYxhwXcDzDJVu2uxi4A2XPanQKVB3uMXcbY_XB3PLZxmsjunjBlyICnl.TIWP0C5sGD1nBwAVIDAjWl2.xoJmg_k5cwpnzynxb0dBzODnuRlztgBrLZIdXJyAXbZ8BvocNJrZ6OiMeGIKSrIeIqWENxr_RmCve40lVFw29QajewaOwGSljNoAoYiZXebam0m_M83lcCgQ.AP6UrOYvsqZO0BFVOrUtxOA0lJbM8nmvBLAIYOWSISsYGb5OGqPozuhXFX6cFdCCgMKmtayfkRC_eXQ0dA.emVplC4.0IWVGvJV9WOFL7eS2emN3ADcCM.5yJSsPBFUKwjLAJejN5zu3wNVjkyBVIYGeKlWPKG9jYX_W1.G2DS1byxkwpopiyFXt.iUD77UuZL142lU68s.2XYyw7FzEbcjLSrZD0"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f3afa01ee7c5aa';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\/8039615427?__cf_chl_rt_tk=.RwntnrORxLzb7aaXbtNeiR5Rh26dZ92b8kKyqzcc8k-1739102289-1.0.1.1-cnEAxPfflmm9HY_.37IZrvKg6.YnJ5CKlhgRbRfr.Po" + 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