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-309950063093.mit-edu.top/post/2165893047

  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-309950063093.mit-edu.top",cType: 'managed',cRay: '90f3a8e13e5a0837',cH: 'k6r7jkk7f_NHBmPyhvI5fs.wtqqNor.ymWlQUnBOdls-1739102013-1.2.1.1-PMansLGL9aQXt87YFQAzEM1c6g2P7XDXgKnqSLuE7Q12khCboKXHJUFH1ouvw_HI',cUPMDTk: "\/post\/2165893047?__cf_chl_tk=twJE0DS6nNMP853u.fkqZ3URG1_MVf2uVP_dsI5KtxY-1739102013-1.0.1.1-V5eYtg7yccrtU0uoKFy1okHb7FShQzakzmvXXPMfqR0",cFPWv: 'g',cITimeS: '1739102013',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/2165893047?__cf_chl_f_tk=twJE0DS6nNMP853u.fkqZ3URG1_MVf2uVP_dsI5KtxY-1739102013-1.0.1.1-V5eYtg7yccrtU0uoKFy1okHb7FShQzakzmvXXPMfqR0",md: "ikXxHytIX_uWsN6XL2cvtT3xm8Ev.sqkO_SZuHF8CQg-1739102013-1.2.1.1-GADg1JZ8DgcsUlXX7IE_Zj3DaB.ITIolR1Edun6chIy9wQa6NX1TBptNhs6_1yeZYpTkPWzWDdtYUuegQWM6G3uygOVU5KSnnmlnNvzGQrSGD8XyDUAttin85V7EVX3uMICYMfcz_mw3a6AWZ1cMNuMzCfE.W4v5QK4rYmP_0l.DJfqcii1qnCkhXGMCqe.VxzHBd_aFUy.oHS6Qz.8yUWLYTltEDlgWjGhvrRw578CBR8eDUBL8urrROQpiaQq.fXC_q2.glMrg8257pUB6vjCyvv0VDGbD4cA9yxYasjJwrkzIJ8LbvMT0uowQiH3MLEpFlmuqyqmBO37vvVYXNFKtfO_zTOinCsiVUWmMiOLp5o0caKnvotPDbBbGqV7lGW30sWVRG5uVlorFQ37_Pc6Xk3y0ZaG06GoBmEU7M7zAxDrllbDR19AZS6Xnq2Pb9GuhetTXvmlwrdfi9BcodwYmnRTLGM.P1X21iPvj6QG5T5VRTCD4_JlQuKPWKAbmf2aTxPdlr7xACD.stUK9zpPatVBaDziQoqdSOijfbcxc.lyHD9zVGSYpVdavItWIsVsCDoMs63C63w.HiQ.cjn9KRdzSzF.c0AT2iAf_20e50Ui7kdO9rAiYSSNWKjE3Rq1uiSWo6twQbQ5koIpiJsDhyUM2YibvYfUqorLjr5wv71fwnIvlOAR3IfBqpgTJQc4tMzmwSEFTK3_0TbUDHpTIxibgbKRqfPv5SZZU.M0yZq8AA3NxV2qb2nQyclw27wxV9rN2tvAKbkao9y8ha25N2JWOvYk3PTpuOReFARdlFflEyeApjKRznF1yKHq8uJEkwTXmL2AuqYDsb.KNZAg4ZcKBWiTr_0A8FgHZKhEjIcea4pCL2tiscrGqyr6W2A1Ybim7aT4sGZuttB2UlvrB3ADsyADjlDRKD4LH8K0MwDUh_X7kIFMSL_JbW2JGFMbSKzMDfN1.biXQ4VjMzsoyUQpWfZ.TM0SXTT9bTic.prdU.KNCaIMVUjaAspwb9Gpa0Owx9sa6oE3ucYz0.hgzym7lbNWpKdeHyzkluZXDN0jaaeErhHLglj3zRgZ31wrilLBDSX6F8mgeX7rQFecR3KcCUDDdOI.RlKw9RaSZV0Th4rPBnXgqcgblka.UauzTXYpb829yqOXNQBbY1n_oaKyXSlCRgNcIW0pKrWdtulm99FUfBNaxu32UI87GE8IxHHK.5wrHsaXWYvcTGDI1MEd2xyU9fTt8Ic2HBH67iIyXwcEXNWowzjVHcOZ5DOrQyofRR9Km.t3I7hGlIY4kfKUxW.oBAuk.N66iXL4AbgIEd9AEfDPBBur8snWr23dlxNN7vvrR_5J0w3cuKjOKLcfZ8iZ2Ms5M.tq5.6z3kqCzO7w8ndVtjEFrjXjhQat6.ztMJhpHJf6MprIx_qjZpv5LwCUj_802nQNI9EXc7oWzUo1PuIaRXeoyY3qSkfee6ziAX2fA7Hsfw7OZWrEVgL_PauZdSwZ.n5rWwJ2srrN9IRuPqp3F7hBZx_csR__2fbS7QYhZF_bnW.fH_MobRB2VF_2xQmgtyMJflYjGlgvoys0nsiaA8HGKq8sIJQqSea9GJLqrl8L9SvcfMb902n9kM9jfuk0gODyIm4NuO1_TCAby1VT_wYUax2YRlZl.7G3ogSK.gT137h3oiNbBjjsoVp3zW7SRYKd50JhgOcrsk611fEsYlz7CTNivmdNITnVJLDkbkFAdy9h0OTMz_44gUcKmnJTipNXRVH.54PE73NC_CV0sJ6RNLYnaCShSZpB.QPlfTWDxRQqnlwaKcg7UTFEgWUDg02ED4M3Hld0V8WP93Tf14P.0.XVpqQzI7R55GArU0PCc2UzgevU269kHNRabYz4RV2z7hL0ZtBBKIKlKKcgQiTE0lpiE6kF5aXIPgyBCYgiJ4YCJjQJ8pzQkTKxbeVrXDiiWtHqqCOYKSHp4x4csA8AWq1x2LB.cBCcQdGZ7BD9ZRqIyRUzpGyCT.O8TWKDukj0ERdGPM7PHO7uDlvljm0cTjE5XAIQELWXTfpGAEM.4w0dTSit5vKRsBczEnYL8HU_nMGoLgHFO_z_rsKErudcmlDqvMi9IHPgnYcBD9gLRzb4C42BVPnzcvvaoyzI0ouafp3XJ405yVxcI.14xvMLqozDykPvbSYEINCRpuirTao7G2U._92g5pJvbvNLlyzseikM5yhFhRk_rcxRdVGUzOJlf",mdrd: "fgnmxhkD8rx26T8mPsgPP0eKmJXhGcxuXDDqk97k1i8-1739102013-1.2.1.1-kM8KXTG5To8xaiGkCQ_20zAnzQBZo3HRh0d.QuEAXPNUbLf7vXMymfgWlWzjHeLD.Au4GnfeklrGC1_PM8dE3pI4PEcQUOYGtJAQGN85362v7ByeV62a7ZxASMu_4hBb4ifr6KIrAoWYxMtxxKaHRSsUKrmqEAnH1EejQ9D5FhPiL_Vgch6Z2YQ7fVwAflXk8FQixEz6bEGW8rRAsB1YdvF5BVi04cI_wxwn4SXPUUcafDgLJNnoSYdQhlS5j508kj3t9UGKvdYMrk27L3xZkmBb3CZyuANo.Y72dhmb4rt3azusJ2qEL2I3dQWu0VcMccCRdU_ssDPiAX4CCv1tJjrfh7UWgO_OYzg4t7C6aKqnHuf.5ehKAVlcJ1fDMiQmR.imAAcipR3NCukbJj0870leE5KJ5HQZ5WvQTl_C.O_8dedrod0T11sh.01Aj6R7WBjtNh_OC1wpkxwLRimWMRpZ.CWhfjW_nY0Xj8cbFQZAt0JzgBIdanObFHRNHNd9MLiTOlxUpOzwJTJ6aGSRT8LqTD8oOMTKl6bBgWPFzzd79MjM9MGLLXRX_WiX0fM2h3xD4bsObkiRqtRhdohLceI82PxyixDmTEIjhoMSkFHR9Ce3tviQNc9v31x7FnbSgryttceGwUyC.FtWBsBoXbKcAWuq1..Vo9eAqO7p5nzJG5xWRpVngDB10belrkW99brQ9sjxGTjNJ6Cf28UhPLif3Fzpy2uCUuz5xtMfedXho3qtJgyhJtND9vjJRbOTxkHvDVQQNlUkaf8NdGRrgim7Z_pVVR.AFCtmVLndJg2jn.fniguIofMVwtIdqWKn2VUuuslQi7ZWHwusRcIqwsz8v.o42_nGTVa0tqlXFfV1SlVhpKrjhvUn3hxkiYfpLMNO563rkBU2ujVoWWZa_GnaSFbk6mJhzKiYwvw7KNxIh_uB.C1WZ1Obh4QDnf5edJWXX86b6CvOE0UkfbGhIwbD0W3Rb8o.25WgmomCV2zetXQr78_SmItWwlmEuQaJ8cYD.u0auCJuc3dNpEQaUFgHTYeWi3Pt8rWXqcoGNOVcS1dwNQ9.wMmMWP0HvjuA6jT5v77ZmXN9zhn1Br95jm4SMV6OLJb5f8FALtHTVRy2sxRyeezI1zpJtINwrSUJESfHXtNOcR5Tx7nJEf93EBSVyJEgr0bAe1oV6rvOyuJ3KVCOiM7e.x5DPQ.e1dTnbYMdcg3Q2WgfrcuQYw91vQQjTo1INvdCL0QTSrJDsKsm2JBdQvtoPQWLTusnMYmyivXLAAO22it2svkeK.GxgkD.E52ozCv16hDqvjDOCSiTuCZt3ctoACREQ.0pOjLX3dT4w..osBY0bLcXq0pWHesRtZCpUb2jtpW5yvRyJlUrAfJbR8POBrlJ3GO76ir7GhHOgpjoovM7ri6e.eaJYGGp3AjQ2tmjvUt7PP98KtSYRsmlu49N9qhkeYM4FInpYx2O38Bos_1PCkXbflQgADLSsNvTDuZjyTx3GzAiB64pBX1Aj3Lmcwy6AdraXUJ8_yaF9MNc6qF5otz4c7tAaQZl3UP_yjG0TPxW_F7Bn_B1ZR2decDZy3BiK3KDTI4xVIPfIN4ajKU993tkeaDIoEtV.zPdMVQFxQ5ubtdnSREYbt1vjPwGwsqiiBab61I_0TAGIf9XNULQYqCyG_0ox3oHooTh.5uxaYSPH3c46E0VM0QwFbyQn5oTQEkbKjbKbH32xPQuZtVBqOd3iTGi7WmNqPS61tKyIaipjxruCRx1WCicD0Yab2UmWvy35FWKaaB3s1r78uQTJPDQynj60w"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f3a8e13e5a0837';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\/2165893047?__cf_chl_rt_tk=twJE0DS6nNMP853u.fkqZ3URG1_MVf2uVP_dsI5KtxY-1739102013-1.0.1.1-V5eYtg7yccrtU0uoKFy1okHb7FShQzakzmvXXPMfqR0" + 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