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-969453765548.mit-edu.top/post/5906841237

  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-969453765548.mit-edu.top",cType: 'managed',cRay: '90fb95058ca3392c',cH: 'oxcaUhhIEfjyJr0Tku.khj8HuBNm.l4lwoutFlWfTh0-1739185086-1.2.1.1-CfVaxp7VJ.vvpnHIcWgEcL0u06fDYeFL92DlXeRBTGW37.eGWZRJErwH2GQR8kkw',cUPMDTk: "\/post\/5906841237?__cf_chl_tk=mtQKhXX1KU6C6rRC9iThOwumEQC749e8661KI7360xY-1739185086-1.0.1.1-dZEww0HFic49vwdvhLUlgdka0wLfdtcTmMPjhsFj7C4",cFPWv: 'g',cITimeS: '1739185086',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/5906841237?__cf_chl_f_tk=mtQKhXX1KU6C6rRC9iThOwumEQC749e8661KI7360xY-1739185086-1.0.1.1-dZEww0HFic49vwdvhLUlgdka0wLfdtcTmMPjhsFj7C4",md: "99EQHk0Vkvzx8R0vENiXd6QvKilqT0m9EVEK9FrNgCY-1739185086-1.2.1.1-n0VzqLhIknEUB9tIvj.ETVB1SF2KC_gqU82FRl4KWR03miD4XSFoMrruMpf63VcoxtBeGx2kjt0Fnm7hslZ5TxPyESCK9n1NYSmzqcnsg5Q8lycDDym3IEPqnbriNC4zkq3rlRTP9hjXFY1E8xbhHw7d..MNhgGk1YV9BiE95Dh3.87BoJRARr7OsSwlzMP9N.BOdcytwPWkpPOoohz96udYS9tzBwwSZYWzOnvK.p1A_0IfSWQlAlDMiIrgALSe3_JwNVr59pjxlWGv_VRcuIk.wAwzWnOLm6bfabFfCbCS1TeWqs80yDKRzQApHSlOCjUGjuipTw7z8jzKGr9yNQfX9jT9.nOqXNX8kl5cXg_twyVu.ropXyllZBIxh4PhOlMhw4JyEx_i5EALNax9.XJ6SxEi52q6bKZ2IwhF6gMGDwPQazqdoCzCjc9Jf7QsHHZ6x5Y_XjBhq5qPOhlWdMVgeMAEBNxf4eSQwbcg6kkdwrckvmBEWED18U2Hkwpdvn6gXnNjU1EwEo78mx5ZhcCgMlTanvT7dF50jiMmZ99DuP4G3GhH0KDrNMBwa0E9qJpILJVTPkKhSCHKumerMUecD13YcNDE9x6.kmj37uSDc7dkD4gi5dsCkJnJfmLPlDchIOCZZTCyFHVkvo5c2BzTETB4pjK7JWk5toFkpEPciwtGn27sh2MIXduGyzumswZWPemJOU33Hdy88I4DG9kHDPvr5bkcyHZwVplxnxjm4YnO2EE.kcupHw.PY3lnfnOfpU3t1EgggSBXWSlNORCQEV_sBweUGCaJcADM012uJB.eJsTrmQA3J_MT5Mjkfy9nw8_9K21DyiOvbTqVoPFhMgIyylfcG5V9aH43ibq7Tihj8c333DkqwQ9_mekd_vwV6FJaugF3WzVKGTPKsbl9iPtIUcKrtuNfWxpmwEsWLf7CGx63t61yRFU.x0k8IifzlvoiyrEp1._.fSEkkAl5p2wQaCxKLKTcohcoblrP2PW.41OhIc9l_Uj2rGn9Y5jJzgG1MCnkrnz8aOK.6TmLN3172pEDNpE8pR2JTfSEebDO5vbiHp74khtDe3nDBk_ekNQUDxJDKaX4bHolOmSdifPMsUXQoxtOPbR2oMlD04EcErvelE.chKR5XPAlti9fJuxk7zsmL.PpAzRC.PXbI0YDbPXSYJeLWDsZGf8puKcN9SW50oRjbgSBa4NqBU8wRPpgc61XhpMfzBTumto.TeJgVK3xNM0EgY.l3ouvTeLtr4VrYBYO20OoPkOj_D5HbRnXGoWkI3.0a8DTm6oG5pOoMZBbBPr.p.dOtdEP2tNSStAmhxHLyaHECAsKCj1gQKOfEEIxqUnsQjCTqn8mRNiuKgBStIbnVompGx.fkWPVBGNyvYuKWQfdso.49W_gwMIXGVEvU1NO67bK9.VYwuFVKl40A0ppnVvZe6LRPG_CaQpwYhS.Qfx17Zuj5O0QxNFRA_bWb8AocMWzjtb9stMsayacbxPRqxMDiAbbqUoxZSU2kuXFlStM8X57fwaJJGaXAsTcrhNPqgq5shDcL5xEtj_wRWzhTb5fNcjMuasc4K0UPjSB9JKzLgCGdqVlJKt9IQLHwDnARm.X01flUJYhJ_GiDkdPchkUs3RJUz0q94ynPhYJcAnhkw7NKzwOmLNn844QXPw.Ln4kXPzPtj8TMn6XiWv7duby.jPmp.vDpKFcXNRFyfv7jWgTknV_lxlQFG9TWA1DDZsEkOZp.bCsEqCEYtlrm4NBdbdtb8PHL62RkOAEt5fjR76Rn31mE6GzqtyAhUda.Nj5btOLuYjNFjmeKTdTHtckfHcYAYcTVNThON5YgvnPJ3yIiddi1uDekq2w8r7zQXCiOkMPkXKqU_55Ot3VTaCATHWTI2xqy70Efj7DO88rxd0qVP0KAt8ef77nZw7MrwBv.lNptk8bpNo2J7ifkvhEQ4WqoI4k3WxIEF9H4kzLzdPVBf0DrAJl0j8.wd0NT8Vo0LUswvd68qQKhy3rsCuIQGz5evGlbQs6n.EOZf.dbHMXu1kjEP1VwkOAy1.0ZcpzhHiEdOrFa6Q9XjjzSH0H8Z52_hZJF7dZ9LHZBwNDTyzfeLYUsdtb2ip.A4RmVUy.cIcCuII20K0uNmfDzvR408e6Tt_icmfLLJVo5DtTAGeJTczGMjAYRYfGvpEnIYnibzgXrjB.DzuYwc68XPY_APEt38TlsDYpRtEK_iTHY1Rb",mdrd: "4t07SLTIKnY_G3zL46fcB3XO2F1WsLsDjvHV_E0iwEE-1739185086-1.2.1.1-AvGfPmPuCfAD.lW2IkiSsmapRhnolDALsTmCYBJCTgP09sWKKkoE3PWIyxVYNPhs.aVnPRs0wCZNDBhyjnygxxnz0ZT578bk7YL6FNiu5fy.U3tTm86HC4RAPKxLWAcxOWb69RT1Av6SWgZJLQRoq7oWQNzxG12kgfYGIhF_ACiO4W7kx7s5fNc16bcHVlgFmyvtlhhqHu5VSKYg933PntET4CvwGmstno.g7uxjqhhDnhpF9K.EeWIZ7PNzXBQKxaAtpt_kBHFJeIFzMmYTnh.8dFJwHsa8WCkWluKnRq7YiYLecQ6mVJADTivWGVxpX9848euvZOGVkvpyUD_7lcmH.KLywCSESKkM1cxXugdtAmtJNQEkDhheKpuQH6YVeUvjitLiy5J.AKQL1PgbYCJQr09elh32kgBbGahglWvfvYS_J8BaaAjRT3mNDWJKI9EzDUNLfA4qKjB1jm.ibMEKRHs._VEc2BSeQSnTX7slG614VBPT56gojBAar5KuUOQ4K0xg3hX2TmK57M7cHKTkhOlRB5.ZMXypfSq9GlliLihJGiPZopFWXQwcktwsWuvAfAxJvUGsqLESJJmVCOu6eKsk6A81O_yTb4hHQMbM3T1bivaet251XNFjAdD4ekm1gXKg4p4CWg.oe4Se_4fuGdW8dbxgTSfPkyfdUn7GV5EgQ6HE0rpFwoHWuYOoIBjGL2CJrsARuE..f2Axrsnn.6J0t884Aet6Qjmps3AYYHGM7BCxZvDRwBYRQNHnl3Lc49VhowChwBr6jlcZiAFklYmI5paogXjB3.W5HM4FYibtNK6yHCF922mk2sZfzgmLAW7GHyyOJR_plIhnrNNwyG7DTkFcx2XBLlfpzhXLugcHpTqqt3YeL9ss2Jb1wt349ZfoTTRqHzRBGMn1puY7RwqFkSLIbRbXfCBnw5xJLEQNrHbnWGQQpA58TSWBYe.RaA5BDYX1Gu3wEbereptljjmvV3uzBaMX7DtAwYA0TF4wmAqIMhcgk1t3rfldfhEnvh88qUih3t196Lt4kfkIWUbzIS7CVuhMsrwDi.4Fv2Ce_9iiUF_nAcJB9ZDMIZEv33ffqoHpbFYzIvXAKYIRYCWfObgmfS.3VRalcawy27tZp7xxzpGPCoMLlU7KRHV0jEXR_WURehVxmT2tk8ZzfwKcLmRjDbcP73muJtTMT2S4v9AkppZXItGGhOiwewfgNc0_YgRB6ZEu13LEVHxdMYzBMuwclppKvMjfwy8CjrLGyDM0HyQwWPWVTOz70rdTJSmyrTJJ1GYglekTOo5k2F8m8BNl_cHl3jRHv9pkkhRu0J_NUsevDz40VSiexyuvEuWQMk_757r1Dt9R81MPRWKC.TssFfiD6y.a1ElH_q6Jeh3sp6GATzN.44YSrEz6JZnRPtz4Hq_Qs632xLst1.Hz_Enb_cZ3vpMcTW1Z38tDJwNd1HRKkR8g019SZdoGeT8Ife6uHbH826SAID1V88phDHV3D52Rc04HbKUe9QUWtLEQ5_rWzUKfwnViOaeO1aZseaStwCm.gPjvabzxQxn76fSOhyn3131LgSaH9sKRQJlfgNv0NyowAgm2KTy5JR3J0q_G8X56NsDyF4BUKBuO8e1oFm3SWvJj8QDvvPVyYZ01a6LxBV8o4HUWgZec3XcTxUBlrUIoSLdXAxo8bPQSOuVkME4hHhMlPcdudU796gqAHLGfJJQlbQzTyr10GWbpb1X5o3X.6xwLqeITSpwAuofHzRK1Ef0NN_CtUu2AwQ907XVdWZY6WL2_5xKcTC4pKVYYBCB2YwIxsQ"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90fb95058ca3392c';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\/5906841237?__cf_chl_rt_tk=mtQKhXX1KU6C6rRC9iThOwumEQC749e8661KI7360xY-1739185086-1.0.1.1-dZEww0HFic49vwdvhLUlgdka0wLfdtcTmMPjhsFj7C4" + 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