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-991896435845.mit-edu.top/post/9072348561

  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-991896435845.mit-edu.top",cType: 'managed',cRay: '90f36ca3acabc9a9',cH: '2jbpu_ImfL.oIXNuq65F.m7lMl9TvB_o3Prou5PRoww-1739099546-1.2.1.1-EGeXUWlEIa7LRbBpqeui7hFwgSmHsEeSrIWvXFLla6bBon9Y.TOvLH3uUei4nDHT',cUPMDTk: "\/post\/9072348561?__cf_chl_tk=o_e9SSsW0s1CJs8fDM0vlEo6cdQ4byEbrmNC4D78OAw-1739099546-1.0.1.1-GaXU7rR.9flv2BtbFr934bds08niH2X0ldhMRNN7_9o",cFPWv: 'g',cITimeS: '1739099546',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/9072348561?__cf_chl_f_tk=o_e9SSsW0s1CJs8fDM0vlEo6cdQ4byEbrmNC4D78OAw-1739099546-1.0.1.1-GaXU7rR.9flv2BtbFr934bds08niH2X0ldhMRNN7_9o",md: "qxr9hhXdIeETf2cSWWNwErcekb9tIljUtBhAHg8wr_U-1739099546-1.2.1.1-QX37BqZ9Ok71xAQ5UylPFzkfSAEMrOuQ1zUCWNHMdcW7q0BWUEZ1TQr3j1g5qs_Hy8A47uaKzTMqW_hsfRznZTufph6nG8xkRxYqH622_Xn96GuiH.vxqwbyk.qLOTO.9O0g1oWzE0f1bqyDvyEgYoCM.j1BGlBbw6fXP37waWPgQmZ6RAukbe03pN_KpVx8YnrLS9VR_eLEZ08C2AWNE49AsaAmT1v13L_CbW.6zQx8MMH6u5GhB8NG_Xi01i.Uo61KvyU.sVRNFmLW4ae75_CccB25OrM8o4ZTSUiVWXEfrKeMkaboxKlxhSEjfskpcrhCTCGp0CD0FQ9rQmNCuCsSOq6k_TOHmToekuv..zvqW_m4LTRc25BwHAaUnKc9sQcHmZspCjduIQ3TAb.BW_R4dR8tbF8TorrlOuh_EndFiVAxAgnT7F6e2q9N9hE13AsJVtEGvd7kv_8QyHYG2._HL.NX07lwIxSDi4LzV.3D2mAW7t1zpyHdW9UpXPd55tV2fGhqUmvIgnef_11VniiJ9iA1Z0f1BrRh4UCjQ8CdMNaiM5mv5Z7PRFydyAeb5BiAbYiEk51V0qVqFHzl4DAgtQYAdZl450AMDHgOG0g0PRS.PbZKJYFhpSJiitZbnCT0aFcI53d2Qh_srqANo399Dh2EaoNA2K9uqOPZ8UxF5wA8zhlLh7fkI94_ajzfZV.n2lnUssnmFtnEB7a7gxq2q5C.3_E2Qnj_0HzI98Arcfa3rm6BIYrRxXl_.BXwwNX7e.2IYo_ediPyyMYfxmNexP_vbPKCwhcxlTcCT1N.gdS9duxUvKj70Doxh5_fvsawNZgIkH1FXkqdraDAsxF03rUznjgQKiAnwCxyWmxu1rmHLZDq4yY3dsNq7DjtBLUBEAQfFODQZhMdpLJvo3EitgsvPMzqwBHYb5KwKGxu67Eje0GCjCkoJMjNhDySPx9M8g5F9vefXgC8R99sxgqKNk_Y9VUTCYMk0AUDcn79WLHGOQ37F1AjkJu9_Uql0pdbo8wDwlNIU95.1UVIzqr2ETnDiDzVCBN7TJrdLaxgqWamhtCZosGqQ.YcyjuYslSope3MnGWrSsPW_1aybvfzvih1m_jzrTdpU4NPoVIvQoL6pm122RG7j4k.ReHhfHaL.1ezaWxkP3TuLsZmj2B8PWBO0e_KieO5vm3hRKMmC52DeAYd3nvb2H.fKxNKTTtNayUwCExekkwVs4VNwRgbPhQxLVPP9cIMeCmp8dxw4mpy_Iv7pN9tzsfAhC7tjN_1hCLvmxNVaTEHB1Tm0JieZXyLsJAgNSA1NaAKed4oiRuknMqkI5reAlO.PI4V8jXCIAwsmv6jnBLsMDQhqCkajJHj4LMrBlu1GEpyHXJ1jeQiUANj0cA8lVH_13TbNzjzlALQxtrxmYOQOzeu_Epy4pVnEu5_agoLniOHoHz4pxPXncARzPYh0guRWRF6FLpXckpXPhTX.2LrwE8NFAdUqEb.FU66XCSmiRKI0MYWNxZ4V3HekdBFjM8VrK_JW26dpWjY2WXgMqIsvZIof_2Po25Nb7NYVWaqPQ7G2iCgFLtR7gt1.vNzuLK0boc4Qo7.tQzXfnO_jUezK7hhIg9UlpBY3d_xS_RxBcCq19mxFeabZh7StvcaqWUrPoLGEB8bxJAO4MYuQZoWsU20xTE5g9LmadsaVrZ3HzVfMGDAUnm0pi1w10V8.KYo2NBkSw__UqNU1c_Kmhhj8lR4XXs5Voxmn__3m4DYNfGsLcgJdGmKdQ55heLveamhQcIM2ekJNzujUM_xcIJmpaJaZh47C8LVm7h_JiYSgtGbENXYTT2750F3z.dZ.FjE8R0yDbc3izMEsszOkyRKk8cLbHsrEYXNPoMIZYHocvKkTtWxqCgeMNbNy3drBvLlcI8YY3ROC0feyRXF4btpWyOeQa7e1EpPU.JMWBLMTV18jyFkcmxEkD35CoYSkKlRrfQ.my7Uxg64L3ionhvW7AKqbLczQOVjeG5a7AJMNg39cQEzYx2TR_yWuQQgFFiiZ5AJ8U9bGBgFrAxqvYPEbQZB_pNO9N9t6VxSmUjYPphs4v.djiOqsBvgrfL5.jmaFD0ABbeIcfcH53PMw_RuHNg2xkiFy.rxRXNm2qo0O.V.MdPDOwt87B94okGM_BlkVW4vihroLNSy0Svlziahfiq9mufZkdhLQ6R6knIRIJq6hGKpD36PLQcaD.QIoaTN8uPY",mdrd: "jq0efzSmJm0mKri6yZmVmZmqjw7kSiKLjGxQDlz5InM-1739099546-1.2.1.1-_qfr1P47_jcXAeEVMUdsuG53oExtNQmfQnSxTUwMXRgirhQbXwcm8nIz5A_DNoOrmc2GLUD7fldFmjf.zqFr6czEGK2fgRkrKKNKLwJBOp2CUHXlbbuk_p8PYqmrLkI9XQAITuPPaCDYSkhZwrec2QQ8wUEHMfV6mBPhzYY6j9sRTcZQwK7UuJWxe_MhNeag6xEeEaDPg2lwgO8kv26ET9pG_Dk70CsrWfc5hbvWBTxRySWJ1xSQJR_Mh9rD.YZ09F6Oio4OR7Rz8_SjFf9yKylKy4MNPZXZhmd9D3yOEQNRXxxQCFt5U5RKw6vgIMG1vUkZSxvtUpBQLmtBglXYEMr_Z2LDxUeLY9RWU5mcY8WmEm1LjQlumDUuOGws13d3ZEERVtyTSvB_XjO7qSGATR1Vvjpv6azUSxsLEH51VNltvH7F7H_2SYAQQ1WBP0ArDPH5iW743RJ1qSdxfVlXX3ONHMspB5MiuVcnqkWhvRw_FeRQMT6JJ_v_uG6RwGxRfV7K.xD3p.vjvoCjew.SHEGn1gvmCGcYlxWigtBtkCXLvcbJQe35VM5VDoXCrRDP0zN3obbzaYTnIPZWTkibxJKp8W2kODDf5vz8t3pqvWo.OdNGvTZs9RWpCBRaukqBgAnyODPxj7WJjtDAnl0RY88YbbrxqgCerpRto3lsGrKCdBtYW6Nan9K1dQP2fAti7pUO5j0r6M5xrv08F1w5PBovT_J0TnpsSPeUFVkuaX9I6OMTV0A5d7I5p3Tfix20lfeJzVe8t68ZUqqmg7uL3qQs9Pp4qco4KkQqfV_T1YXcoeyYucA25f5EtCIWdD47YNOLNPW4SYQ5upHdrj1MtyxhwBzcjxWK4xklR5Mu5DZuEqb0Qu92x26j25SmaS9NRJukHgDYAVp0t9Rw32zMjHVfvUD4ie8NdD57uR5KhZ4b_pWMwtj.fG3zi0n7IRSfPF5g3d4op732kX.OiZgSk7W2y62tS1Mv1r9XxCHDnUVWLMImRbKZMcjQiwtEIkRsYnvTyyEX19JPTxzveoq1YWuuZSIGJ6k2whSJYZluHnrSKsOj_T4MOhUxQFx6E2.Vh4z.pNZqicUUDPgOoMmVQqC1XrHiWLawAOlPcZJVz1gGsliZLuRVE0RDlZjleFysPzGQ7Cbk573no5PZHkXbzIvQvRxKDaV0_D9wXc4FJr2IcFqiY6LQdsrxbf.DmBgzfIyO1NksDqlR6y8LnoQzXjdEQqyoDeMj.OjtvErmieLu.A7IZacMvjhdYYmt1q2IMj7UFpWiN5O2iH3c6sgNwfGmgiByIReGgRN0Fmtmpd3nZttw8stAd7Ta.e22wBIo160D8u827HWUGkQAv6E_nedSBQwVijLXe0c9deeQxTy.asl8TwyK8rOJ66RW29n0tTz9H8zfFa0u5jqPnN7wPMb1et2t5IbSShAdcuNR9YoOTVFRf4iC1DPMyoPA00IKgXTGky.6x.xKaWH7Q8YbLIgmf6S5A4d92fkTmYeSvuMXTP6Hho07n9o_fm19vynSivNsYhw1RaK8svjCqH3MBzfliraO72O4.w4MZ9gL_eGrJ8gUXjw7dqNb82JKA2AD4EJO6kaS_BvgEbY98tI.PQ5VRXYV3ZE2y_1FH1mrqevildg5dfSvL7MJtugrZtihcfJknin23f73BzZ6ajdU4kCdTHA1AS2UN__df3iCFOhKDHtTGfgOPK9VOD17xkmnONo7WNQYYBG_XnOkdwHAzLOIi.ioLdSR.IUlB3u7sGeYvU0nvM4ufSawvb.tP9c2ZfoKsdFNb6hm4N6Cih5SHiHim0e3l.e3qkyS1km2Pxu0WrgNTY0VUsO0NKF4gS5F"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f36ca3acabc9a9';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\/9072348561?__cf_chl_rt_tk=o_e9SSsW0s1CJs8fDM0vlEo6cdQ4byEbrmNC4D78OAw-1739099546-1.0.1.1-GaXU7rR.9flv2BtbFr934bds08niH2X0ldhMRNN7_9o" + 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