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-879237785762.mit-edu.top/post/4896051237

  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-879237785762.mit-edu.top",cType: 'managed',cRay: '90f7bc065e652d0e',cH: 'K7z8VNWSJGhCXCb7GXT3Fuy2_FKsbYAG_NNRXzhqib0-1739144740-1.2.1.1-8pA380RvzRpoypMslAHY.QvxDbC2xuLXa45k6Fjg7So8jvDTkTm7DEWOYLpPfbaZ',cUPMDTk: "\/post\/4896051237?__cf_chl_tk=8j6vCxIL9mJCxaUFzxSZVZGwA5oTpqJ4i9zm1oYNQN8-1739144740-1.0.1.1-AKzo.iUkzh7BiyK7Hq9uYa_200SDjxBsAeu6NEvxRdA",cFPWv: 'g',cITimeS: '1739144740',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/4896051237?__cf_chl_f_tk=8j6vCxIL9mJCxaUFzxSZVZGwA5oTpqJ4i9zm1oYNQN8-1739144740-1.0.1.1-AKzo.iUkzh7BiyK7Hq9uYa_200SDjxBsAeu6NEvxRdA",md: "4sm7VHtOdbknxJ.v9G8PInSTdqQBS4K5ugVeUuiMKeM-1739144740-1.2.1.1-uiZfCcg7JAyoHfC1v1DM3Hw65cQ4DcaZMlr_W0DWi97xTp.w6pYdztsP4UmMpUreZPFnhTvflnkVUjJFRShzAi5DW0qrHnf4F4E2Y7hPnHm8lA8c.fIi18feFIzhyT2jlqeDUnqyK9BJcanBMDn.wYnQF6xxBoX8sI5p8QKNTTEwhpNvcnTIkHO4GoPG6BDxFvV2nuutP1LlGHHaz9Cks8hjffzuNLw9Jn3QQkFHShbOEeepxFYUKJVwGm6LjtehjvadLQLRPgjISjrw4lxnLx6xmaUCa7PJchlj0RbaPbHOhFDFc_SnrFQfkYnGaIXxHhVeiiwpIBggeqSOULgIgKcx5IM36jD5PAoXTEkHDo_vmnCxSY2nrpCrMlxeoxlDAiIbrgUBadNOaNrrKIiOJap_rHUvdN1vX5vvGX35pWl3Ghp6M.dbM4lCz7iuSp.W5Fe7.clvTukGKtJpmlgucmdrbgYCwKUtqMoF8NzULE.eLxV8Q8nmkYOZ8GUohx_iGa3oe4gTB2DLEu4DSr8M5r9AjWWSbLtmQGlP00yH4OKrwilc6cPLs88g48ZeJ122K1f64.qs7H._ecZppClz0_eYTMg6w8lcSbH7W7UtLsmN6UOUMB.2UmC5W.MqoBuUi65wn8QFdg3.AKbpzV1U6JxSDCbi.UXEW.3yaFKqkBCcMTCb01Oxki.ieTBeFuaqxTEqGS6dRcvzS4HJ3kGJJjicgljUBP2v7nYcerDKXxXCqc9smS37bpEct51oxvyj9N2KNL2pinnyqUWn5S.TKeYn3OfOu9Z4JRf8yZAwxenMrdaDal1hZIRztJcFP0AcojJK0PJ8_.HaLGsWqsc9S5honKuWCFe7ek6JLe1YrwsMscHRBDQB70rAA1okUGEfl4HbWbqmyR0h.rZEg_XpVl7z4fbjjYktHEe8xFCFVRr..gs0S1Rs3UEZ6P4W0ecDMCPSko0HXLeaU5C6NYza9adkcivyT1tWThqcEwCER5ZJoGLjSpPZwehSDY1b4lnGLdfuSLPdoUfL1rbve8uek16szqQn2IatiJ25YIED5TVwW1sMykSKj7ZP6LN0R.qPn5ixKdKLeSRs7xFtWlnkvglWaK7UfeXmscyHN7rDtjTXmY3GbaV52uCPmb.L55NIvG8yXgus6U7dzhUEtqTXzc9UNRWNVeay0xFFTDJ60gv44wr9enE9mcva3QIlfn2lF7PHDYEC99ZyE7Rt3.cIYUJgI1u1slNMJ96Dt.ESjF3XkFR6BkwN3CbCUOoyqy40EkvF2_FBjmnPXJjHIrRlAWfSTywmedWA_F4T9o.Wu_BusL3IhbRPSEuicskG5MCGM8_PRbIEKPcfKaNxDBdqFGf.koqCvf.kCCrQUONly3po5KoUP3oAChVA7GF0SSxcm1g4cUX0vR26S0Bpt6vQOY84bD3p1Rj2186Vu8QBcqU5XbLVnKpeNTFXR23_ivr.j.zMZUrmf5kLSaLX9llwfpSgLI7YPFIj.y.gC7YxyptK5IECmn__vxcLc0Bc.Ur0zEsLmAs.d2b0lXIxDB6sRxk3Y0g5dCSOcKpQwQKcguyHkCX6nwWKPeDVFsfE.y7lkNanTfANvbXGwjpHkY8eZZVgWa40hP35WdEj45d4nCx_VFtymZtfdZOhZsiHAnC1dLhlzSnJeF2_m5BB.41IfNxcYnXxGzUoTjbmXC8DMWZb5r0KBcpYRskpdc7l3ZGitg2oqZw9BJpn0Fz2..wTpiB_WS8cYNEEEJsepNr2IwjqhUEveoYs_kxeKVkMv0nm_4KEgdYHJ2HLac_IvMowR83vCHFsW5RGdLpkWDcJpNrZ1b66R9iD9OvHkbSGV0W_uqfwVzpoKeS1zdgAe9KKN4E0RRUbRxZdUzI.WiTD0NjH3j9s2DaCxT6aR3.WHb9jQSC7wowUBYUdEAswagsJfJtLSgr42OcQY._e8BMmNreXN86Lx4zqiYPAx8SH_zyDoMNEJ20P.ylhKnKJsI7_ZbW2CWgtL7grUWOOhONe6YxdHyNMF8JIr_GmWmQVwKXKNJUBlgGT2kXwGwMvBS1okUY6a8bjsK3_UCZhNnVSv9tPCdoHKkERCCMsUJjyXRxMqpmSZROWgse3ShJyrZODZuQ_kM_CJbszsFs37pbnep1uk5A4yY6Y0_METa0DUpHIeUdCTcWPW5SlCcrk69cDRdDCwMQ.eIyBaAjOuwY3pOdc0kmdiQ7N_h1glgZ5G7Il",mdrd: "a_3c70m8OGbGojE9zW7Lbz5FvSifFjRaOScjZYZjogc-1739144740-1.2.1.1-NF2h1yISlMcwyAH8w_r2fTEyv4cnm67rYgFlis4pRRa90NFskiSHsLx6VS1vDm6VpdHGaDUiEl5EhvVnZBmG_G40itefzYCILjbIOXj36r21AHuffTqWjLS7nsa5yx0Pr2prsUAlxBizYhK9zxipSit0VU48K17ayGYzDjgPGejyN8o.oDxMThvSnObNJJWqSOLCOnj.ZknaZCOvQbfOVV5FH7eH.SF9L6sjasPQ.ZDsNcROA4t7DuA4sl8a7VSnCcTe9RfbOYwdqw99off96KM6_sE8LOtsF48QYReUQPgRUUgT3J94jc1DFGVJMcYHCjha.safMhy0eCbXmMLYvyPgn3Lq7LWLxOin2m4PAL_TFY7npCzNrSVB68bpeSA0SS.eEL7RDu0FrPuYAj42F7lTIcH5Xof7_DCkcjO3Xo9NttHQD2tnZC2wB0AFldWDk2YMX7ccHWImqFWlQ64YsYBiMcHNjHzKLrpJjjCAnVrohnFx05aobfCuSU6Qm4t86.a3lYhk61Kk4oo1GPCaThqMyTCt0u5FV7D49vibjCCa9lkKcCKNW.z9rwLqZPtKW1eUVNh25d_KeZJ77nRFUgOL2AM1Xl8VHTxlgayN4kP9soFx.aLbwufDNp.vUO9B1D_jiHB7PNNIHcaR_UivX9LcTDrd0Q75JpaSeJ4JM7g2I.dtUl4JWXNBAI05.iG5jmU1DW9Kka8HeRu7GNkPsa6ePsxEZYDq_7xZBgkvZ1otroYdVbZ0.oEVmbdm6r4KTMIrZfw9729wCG0RIZDx1vYpq.nNB1BUGnWHlJFLCw2vnxdsll86VA7JYsibcAh0RgcFgiF55Cp7a92eo45NdAtLhI9AbjswVfofrDex1uwN_lqs4BVQTqe_GGpo2slkKU75bVZH29yT4J2sFfLsNmnj6mskmeRzt4AYE25ncM2PU0sqZpBQ0y8bhr7rn4y_yz4HM0ShEv8vBXJmVHxToQF0SCZdX9UDCMvcj3ouBJP7xAl2nkruIg4oLUM960fdK1FY01qrNiIIkEBK7GkGQvKfXoLJqfpdufyoSML3jRev6f04D07XP71PTgO.7_yYzYVU3xlKP7jJIW6.xxv9chIiL2adzi1fmip5.uFnA3ORDeZRSh9A8Pzi9Q4Dzw5K6MhNd4OQU8ubswp_USxxRThxCljVhtotG3WY5_i7osXcgMRkDcpTc4M9p3VEr_Bi3m66NPbAD8PaCBsAjpS3i6TD.j2gsY.T_CgOpUCP3yLcNWNcdA1t8XCV.Kpr9SAQFjzI0QXuLULBvqtYwVM9l32SsCYZwtG_2TLvxBlt1ImB6BHyRlPVqT1eBdrBOV9QgoE0nfQ8QU.Q4qhdbf_kMQ.0dC.PIqiWniprcI.bshzn1XWyCtlfRQ9PXqfU5qmcIkJwtN8DK_N2YWGPhNZ4Qd.jYbgsGb_yg2RYq8lOA3ZCHmUOdtJB55uTg0xAiDq17IZwJJIXCAjdn3T4M855me7hjbdu0z9WyqlA5Q6lN7ABSF7cTV9IbC9AlSbMSOhAS7_KtfK5Bg00oNW28CIgeF1YtYqiyAKOB4sN1gqHm4GnarqWV66tU2IOOIW45xkt4N9uvkqP9HzJSkMx3rOBDe8GljCgMcvL0fbWy.snNbjTvSLsHlpYzYHF3ZYnQl9nt_w6It6yjsnMo6uc_LR7kXuEbKX6v3dcjzxgfAfQdvmY6MbJA5VSWvD2j6DmI_af7lXEhEAcuh4tX3Qjy8Rx6smivPq8vOM0LWHiB8lHhwcNgGfsqWSg0qEHB5IJDe3qNPWodPidUQX4cdtSNFizHBwqMwuTRtf8W2meBMoUh.I"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f7bc065e652d0e';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\/4896051237?__cf_chl_rt_tk=8j6vCxIL9mJCxaUFzxSZVZGwA5oTpqJ4i9zm1oYNQN8-1739144740-1.0.1.1-AKzo.iUkzh7BiyK7Hq9uYa_200SDjxBsAeu6NEvxRdA" + 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