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-838786164452.mit-edu.top/post/2736019458

  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-838786164452.mit-edu.top",cType: 'managed',cRay: '90f23c907b28874c',cH: 'Z5t7bjxDGWgKZokwg2O1yofRQeN0.QdLLLiIxCOLurQ-1739087091-1.2.1.1-sGDKLo_RuTB7ln2wvdSoX76syIkVmX3AStBxJXvv2WBsa8JiY4te4hAQMEKu5PJS',cUPMDTk: "\/post\/2736019458?__cf_chl_tk=awCSwM.kLxK63FgqrXd02L7T1Dr5QbF7PhrLudyPd6Q-1739087091-1.0.1.1-Ao_FFHbOIyqMjBI4yBTmPQJms7jbFViTSJ6F7TI6P7E",cFPWv: 'g',cITimeS: '1739087091',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/2736019458?__cf_chl_f_tk=awCSwM.kLxK63FgqrXd02L7T1Dr5QbF7PhrLudyPd6Q-1739087091-1.0.1.1-Ao_FFHbOIyqMjBI4yBTmPQJms7jbFViTSJ6F7TI6P7E",md: "DL8y9lFaCKniNS3GePE8lP6wF4XhjnDmG_OjpZOrlYM-1739087091-1.2.1.1-dBUn2zX95us9_cNld8gaG__VNV3kxh_k8Tzwep8.g_cOwioQbnUgZV6B3kEw1P8nZU9Q2JXvXsB0EyCJKBrDxhijSxZY34KyqGY0qoh0B8Xulq0iJNkr5ovR.3fFjFDNz1vViKO87m_FqUzCKwHGdNw818hZ.X8RNOAey9sRdzpj7qp_QXvIahGQ3f8pJj7Zj_ACU32tm9S_nxNtDMOAmRKMy1ipCAYSdce_6qr0OLuwz7r6sprdq39hiRlBWp2aiFFqqzC1mNa1gUzv4D4NS5LpZQJ5N2MatfZ7Egj80HGVbUq9zFXDR7jitqSR32EdRVSdveiKusfHvKRTTgcdCNI8a4yREdvWRzckq1blMbuihbum_AyOKmqFCEwEkup6FoIObq1Z9hraHkaBK2Z6zme_VcO6Mmy8VVBQyWyg..yKXaVAlcZMk55sEu4ap8aKy.Grk8hRljDsqAHrlEQ4HfLT29ES.qPNj5umDKfbI8fE2fkue_Y8GntbyhvSd1383z3.YRHiEORLMq.1Qdda_mRa9dztAUeFLE3Ho1Jypu3AmwFLULL0T8sjOsVwaO5P907g4IhBVzfNSkTwg7IDrmUnLD.RNoCeC9emzkhA5il21WrBPLBSewPhFFe_o59K8SVO8fPkedcWvsvtc9cfkommncM10PvegqWiBzL7pjH2zVOUxwoRxSWmPK.GEJP7b5ATG6ke4cUZW.nJPvwQHyHlJ0.sFw4YEgTk0zcrrPBaBj4KFnQD5.AzPPpvT4bYNh0Tfvtog4oNB4EYTJZFoENh7WAVbIqhYADJMpiQ4zPY27igbO6IzJ7BHZN.jzT20IoDiHGYrCuZTtRzuNswIB3.jWqC4EZ.Gk0rffkWxCXTcQBFZEjsIWEq9lcV8XO9lHDsuzgtNt2bvVs56cVtQeHToD20D_x6A.hqg1ufU9U8G8Dy6WVIiH1OnMAr1ULMb6weA1u7acl_hz6OH1E3PMtUdQlbuFO7PFgUPzUmTtrpAUqcR7fk4HCzUFwjKwEq3Ohm55QLI8A7M.yVFL8nO8lAZnChuLhPb51nFTLzGOTEO.cGmfPUkchLL9ZFmfHubx0B81DPRLzSq5ClgrHFRX9bNOBdIxjszIwMnWDZQm7AXA2dzn0RWaeuCwZ1GywQ41mYi_fZlrWCYWFGIrvP9_CdXjvXov1rcFxG0aOj0dRszJXgU.uK_jjjU0JbEcouUV0L2Rd1rLtUhCkE72AHijHHrNGYVbdIoStAcfk_f0swLoKsuif5ySgYxNWzUE06SbhLfBxhA.1NVVPY8bpYrCqA8oktWZhIFPChYxiGtBRwnb85YBEoG3nOMr.zd.S0cUqUD4sHtmcptjl4x1FRRoFtC_Y6O1gctb5sbx_FOiwxXdBoifwzNh6JNVoQj3LGWXpQ0o4A3fx.4zmF1J36EDaliSVe3Xsik8znfBTi20YJDyP0f7B_tQRFONn_2_diuRibBzXBaeRb2btNpbdH05VNDUcp4BQBuqFBqdcbAAsO7PBB.OfhlfjwKhOU1JNcJqKGKg9GLbsjFhsQCM0nKr7GCs6vGg2GzR3nckmXmE2auIQb4XGTiP8GuSe7.rFLjWoQQhvHtDXznPfHOag1eWhF06R2uEK03Zr4ENyyuqrvRlqDeFHEqj1pXN15u5rFkOkJVzUOZA15ptzaRXCnqxObfdGwA5EJKN2nAmFSUP50FzCm7gaYe1hz4ad1DJbmC_I8EAwRDtSwh2yluYKZ1s0PJEqJ65u5y8K62eWk9WyhNwCOU0YX54C5y5pWtB4eCXZuzXKW4_P_HXRbGVkMerkS_4qgH6Iag4z_d0kP3YC5n1IkpDYyl97azZOmJyfNQa6ml59WXVMERXjm26qwwVn6MXdDuz8GXXFeVBKo1pZD9uAEpulZ9gWEBCQgnqmKZe6oXb0ebghKLXnz4G7DGesU2lsnRllbnJAq3cE5xrDwOTNRNd1Ar.sZvdooaMNj6iL6KBVEl_f3Bngjklfj9vPNcWcS5UWyhmHyhuLwxfpxfXG7CJXj7SbnkOilGG4RtGEu4hkpwvBXIQxZ2wrK.sdFK1HDUMq6pNlz04oc0IcT0jmElSuV_Bsi9M.Qv40JPLrl5Af8gqWTg2LbdjpBLPY85t1GOZ.w08E2u3wAfKwXH3SsbpqNLWArXQmzVVshpQHiMdvoZhk...rkMO_VsjyEMOpx57N2_jUfWJCKh412yMZR70QZYLNUENfcqc31",mdrd: ".5iBLLr6GlGC5N4lvicslNgKVvGuVlv6CsKgrnoSzig-1739087091-1.2.1.1-L1IV_6PAumB7P8BMrUXYdO.joNnQqrJLVVU4uB9Pw8hWlHqBFLHM_HYlF77ODwND1JhIK9IMF91sO1lRh1aXmQ5VkEQzUvpVOmxXnjVzC8JwfhE4s186qhSL9mK4HkfZxbK57mUVmhyh9dWuvnqQaILQpcj_kkLoGSrW8K3jpxpeM48S1Vlzk5MM7ujg3aBlH793mxMeTV3sLzawQ1mn4a0dKsD45qzBqnV6QEjXPOTTMzFrVZzlj9I.oWON94_hBUVy3blMIjznFE2dkANfzTzo9Xa4b7Kzw.ScmGKWlF2IKF7qsL4EwtO0IazaIoTokr777GY_mh.p2XP63.mQtD92yy1ZyB4LHLQqYg103UneXlZon9hM4D.LwdNC6wWlYSQleajH91DVvKIC_Mz3_BumV._4MT.XMU3S.e1_NrNdrr.qaZki_CEcJhdwnrVwvIHhFzZ7o5ck7KG6be4kONLMZEwqkD1.GEv0yG.swiJDcVZLKpJWbX.yAkOHxZTGbtqeSZN.5QyvKX9mrAD27gwJ5XnRi8wwVIp1LZcEYpJ7ZA2CPuiPF6YL5xuy2WwTWHWrqVi37CHxJkvxPaIwFhs.E1O_XZNxCCp99JZH7Gog5.rieBtSbI_lm7ffUHE81wbsB_b.ej7naZ6lFlZiJIAQBwrWI5fncC8BQxOU7zA__7YEUN7i8glbAsT5rYMTGLrUDgZYGTNnn7jTyiqdGw7TosLFPwNC027uAah_GsJ04uCtxxzG47HT4wrvI3BGVyA7rI7zCXaiQHFxlDuN5K5nn1V0hH9FmaG3BDOYfI28XHAtTOJqjKRVDUVqzy0qW7TW3o8R2dMKwbQN3oeuh76V2pu6cGSshaIWkjlTIbsJ9FB6hLBm9bqJUfz6uBdr.g.AQiIq0GJxMiN1GWlmqfNndguyIPNhzr7C3jnRHI9ohd.JApbS0n0m6yUyAQcehdwbmuv1ULGOlzYAEk6OzeId1LwNNeUbe1SVnyF.dXwXdCwTFjBqAuLCHCwLzaMWPkNET9mfr9aq9XigfW37VMEUDcrUlg8t8yOXLnWU93.hp5zaYbZvSOI3u8_yCln6w3vJtIavy8CDTSolJ8pQ6eT7WlRVlFueraVFj2gOH42vO5btyDm8hCJ1wm.KgKAO1mpT8skTPGym5k6zlYBDR03z9L3ds22j5rHX.W3WzE7Dlsfa7mSnOJEAUT6kKg7hrM.TU7sGOlB8Rj3m.NV4Uof48m85GF0_fcivGS2RbjpUOcSQiu.1rG3BU8lhFI3SUFjy4uRFOYTYt.uCSzyV7oPW2Hlg_Vcd8DJtbPh.s9PrL_J44VhlEGzkwDmZZ6E8TeHmbKBhVCp2mscAjN4iHJ.D_F2fLrxcEQWLX3BXhLSE0DSxBa_62mtSKAUV3w6GWOEYVkRIGA8Qk0MSTufCZqYE11Da58LOyXwyddRg8IJo039enZV_QdoeCmC7NgHFEBSSSnEesyphe5cgmUahinXoubGwG86XC3jvNxRJe_TyFS82zPYmnX0ZzI1GhZIvA5YlsjZWMl0g6BilWEKOtOMZXGm0ioDe4HcZOpOMvqWTSJM4uwM6VpXnHdLeZmDmDKhZ8bJPtQ962b2ges0CP7XSnId8fFLELgi3yCy7ZCvM2Fdi_q5BN0nu_yFXtyb6MtibVTTJobsR2Xp_zi3DHaekNqlr7G3LfuPAK.fNkQvPD9PM17FOHFgB_WgZtfJv1F8HBIKxfQK.k1liSXtFDLFh6fW.WBJndLekfbaFZQZWlWtmYwmtONV1WWp.SgUiZ6l.h1QHjhw.QW0imjMjifSWV2MMS2.MsCgES46WBzo"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f23c907b28874c';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\/2736019458?__cf_chl_rt_tk=awCSwM.kLxK63FgqrXd02L7T1Dr5QbF7PhrLudyPd6Q-1739087091-1.0.1.1-Ao_FFHbOIyqMjBI4yBTmPQJms7jbFViTSJ6F7TI6P7E" + 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