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-138446507939.mit-edu.top/post/5813240697

  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-138446507939.mit-edu.top",cType: 'managed',cRay: '90f85c8bf80781f3',cH: 'm0Yabjec2UmFvjZAcik8rL.h7F7NLBr0aPGKNryjcBs-1739151315-1.2.1.1-TWrFkNLPrk9nnlN5KiAbwxRaxW53pEWuZ5uaogRZTDg5r1gT.H8a.0wLr0vqNNRF',cUPMDTk: "\/post\/5813240697?__cf_chl_tk=mdLt2mVNQvXXMyxZmyLBfeSD1M7o7IDURv5GrFsSZKk-1739151315-1.0.1.1-bkZ.q5fuEc6kUaF35wn0UThrdUtr7ht_zUTD46dJXMU",cFPWv: 'g',cITimeS: '1739151315',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/5813240697?__cf_chl_f_tk=mdLt2mVNQvXXMyxZmyLBfeSD1M7o7IDURv5GrFsSZKk-1739151315-1.0.1.1-bkZ.q5fuEc6kUaF35wn0UThrdUtr7ht_zUTD46dJXMU",md: "NZi8lfM.B0WiQeDdltQnmWLBZ8k5Hdb3qZn7Mn1iEJE-1739151315-1.2.1.1-PpdIMDGO2qaZP2z3Ug_3d8vUGntrjUPp.JYNdsMbnMvAM1fh8VIw54M9GcqpoLfMOZu297PB8Udr_wVwHRxh1iQOGubGylC.B09Tvbr9jjxbdYiVziLQtL4srgcRkrBPT5tcwW.pLNX1UpPEnS19yIL4G5XgWwTM1rCTlZxpGvLCNso2ciAjyX2Q.1RPdRrdMRKLbl2JzNBcqG9VVFo7vMTXbdDgKNz8yR4_SxiIQxe4_2W06eAJEMcOGxF_LKOF7kfNKipd.9EFqpqmOLk1hSkXwai49m9ucAz2JepkxhhW6Kmpp2oSso5t116BKfKOPwFB8Y1RXzMVsyFYAT3y9tzhG7ItU1C._NA7cqEX8iMlOV1ToQVo.fj7FF.AzHuPaWfsevE1CW1GXgSm61fyFRXoEdSr4xlKVsCYYESp_RfrHP3dMfqb8pGLZJs5Fg3gxBsAwMC2dsg04H2cgV7O1U8_yC3U4m.1_UYi1BlYEapN_LwDpWZ7HjetDqDpmzexY7drDwWto79effFveTu6H5H.7tEleGvw5O_dK.athFdNiu4WiiX9Y4DH9jEm1xW3vWKMmKfGNNcapqiahkDmq0nDiLU1U1E.tTtzUEZgU8IrYcDgVos85a5.LirU.k5UovcM8iVAk7YRH8j4.gzu0__.HKS3JjCy3T2dxk6KxXTBvsKnWWCJsOfm8HeHUBsBfZaI1UZLNMMivgS.qcSqiYAB0SVRBIFG1YSgQl3Fng6XL8e5lrz5ooygrJHRfknET81zt16f7O_BWwqrs4RntcbA1TRghvhBjIUy0o2DZEwOWQ13Le7jzGB5kWl0Ri1vuKme6BdoHmKeNaQrM.FL80IWo1FkjQa8j9egxrptgi202mWMZAnJQTZtocY3NFT3AW2IKF88M0EQ8IvLmnM2MxZ37lyk6I.lh8KLAQU9PWEmNZraGJZkgoYiClage8kEkebbMAeEFxBkZ4uC_sNUHyyzoJs6FBH.9mTvtFxRQMOYGDZVcJ5EKsdYXwX9SPrh98AXGwYESr.8so9hyzDZxX.vEI3aGbgCbs7j2eAdxJ6UZol0HRsfCRo55GPJKASP47mEeB694tRwtGq7e6NmPi7mO_3IVjM1Lc_mD7cJAmQxZRju1rgPPx0917_ItpmmFP7vEetTjpsFDt9ghUJ3N6eDMFOEHVnSZDKOzp385TTCnwDNnychjjm876YtrXa9QNXLDXSMzBnROMX.5w.55TcXXIZsaZ1OAuozANwKHS9ZkAkDmuXpZuHBWEbjiuov6ZT905kvVHgOht81XHSGbHEbZW0.spl7oYVBV5DT4bCWyeK9K7q49NX0ArOdmEqYYR.cjhyPjZt94zjKwA8jJcHvvOPfdCOWTkmCBgPmxAun5shcebNHszWWMAnmBZj5ao0d.8HpaPGaY_BtuhH1R76oj3TbQYThywe1x1zpK772nwfLJH.LbnDa_SZfXg8FiJ128XhJ9MNj53e.Q6DqFH_z3jaznUXdFGiEnuZk3xS3.IWiEyHSiIqWjyQEgWs_rEhtUGsRlEni3uA32j6KckKKKtRsMVNRdglViQNks6H_FHtfZnsG8AhnNozRkjpZZunwSSYulTZJIxH0UE5oWTMOatInsIhM4rTd.2jHv.wSaiW5A9TPZoXgZd9t6ple9drTy6mw8wSicEpIrw5vCXG75BHIzuljYnHcwD9XdYCtcp04NjN5AMn8p1ZBNc8FWE4ESHY1_aZulvFGNNWSHWJdSfY7xn6xo5cdmvxe7iRBeXhm7s5DkJnh0Hgr523jIadSr7xsCkoQXQUXH1uD_swdhjkx4RLr4kwz51limtRik2FoECzFUR_Zf3_hvcI4CNbYy7EDY3rHmbG3deFXdPwO5SzVRsFwWZPHwXajrNctkyyBWpBMb83D6xelmztit6hptMYxl4mT6_LKE1tpyd8y410IIDZWk6lPxBudwV28lGGMrUgBQkngbcsA57f_SoxHFlhsX68XNYDLD8874Fy0E1NA4nK8HI7Ft7IT7JLIZq_K3X471i6VvepUTcH4BPFvQ18OTFXEeFjeJf3L6PZmzdx5fEqrWF5Y5mlLXzb8lIQJC_HatnN6aIAImem3gXi8xSRmKgbKizIuYSd1jaGkDrOEdoSryxrUhBx87ilMdy3NIYK7j9K9.02W9SRxA07OpaoK1tM1oSB3vef5DN9OTgrfT118EUwt76sJJCs..TD6tMPvr67wyEZa0XQe",mdrd: "YNRW2t_zuoGhdAojLhkPCTuPMF.ZQNh39Ud05gqzjYA-1739151315-1.2.1.1-xlgLCRXh4nGH.QgoNt2kU2C4W_KpYzmUW7IDGKRAfwEOWMyk0dfgUsciO3yeo4tSygJ7cN2wyIZf9nzftqNI027jT4txZDWCWcMaJvY9wLRRVQhhRJN4rL0igtUqKk4b7QbIRATKw01JexqyFiH0LLxWuIpIoCNJaF4Ctd90heHECPJ9_WGAVGYj2XClM_PuqzaCyyE349mtr_O5dTRHsiFBgRuM0b7yJ9s7CH3zP.yo56Zq.yck2ONKlBkTTiIBtJXaLqQRKTgHTbDfNXuj5.TkN3u_d5LU4GXsxxqqpHW7IZXvW.McBZjCessi6tiHOXS29v7zKlczujY98GQ1WDmEW5ZowasBw..cwLi3n0s29IMCk_eJvE6fTaLacuXLn9syVFuatxpmwxQzwOrBA8o4F8rnzdXPZIWWer7SbnNzCY9dRrvif_Dzoo5ULv7scQN88ZlabtfxpYBNOZWUkJgSbUCB9HAnlHyy0QouOQqeRMijYSkRbSR9D_3AKvaEZ1CxJeH4pckh2OPX6Mc5i5L9ChZ8Dj2VO8fVB0UrSuNPzLGs3jNs_wsujOCoYZqaBwL5BRdWK2H4B.nBpigMjqA.Dt3e9Eq.jMIg97fKxMGnvuzEoDG.XziDTxQPI10UW7JH7zBRmLuacePHiFOr23Kynr.DO2m196Wq3YZVOR5TGsPMTGGuy5kmS_aBGIikulgru2fjKUrDaM8ICySHihuPmmA2zxr9BXW6D2ZCZls3asGOEDsiSSxZEsVMMEO1WF9VMgXh3xgCyi80tMqBwG40TaCO2wjfdOjWdspefBHOT.yU4oLonLQ8NCoRM.Qj6k.orrzQC3hY8ayRlU9VtJSjjYlqwG9lj14La2ct0t88SWqkgGQMEPXhZ4SW6T4x5ryIScEuJCH6dkwQ4SFCuCr3tS0MlzPpy9xx.HEIe2AUqQ4xgT0lm0Qv3Cqw94OJZ77ldjZr7HFJDnjz3hs9b9P_vSCy5ZVpgOI9ml49b1fBvB2_1FAZcfx608CUtZcD9.2cL3xPepcL_ocXGQSpx5qM5pZfa2iUK.hYs5jmNk4YPqyazLOv0BWMV1tF3XXT92g7ab6zmB.whVv91X6JF837gMIz2a802uG9sLQSMF3Wq66.o8HAhIifqVBPWecVYQfGSge.ST8F5MGUsGNEEZ_lDlsE12NMg9Zu8HZUgGxmjZvddchBAPcZ4R7L.soPS.LV7r8FlLednoN0c07l_hPIfVvvCtqiAkH8cpNCI5qORjSbJGFZgQx0s7B62kCoX6oLL4qyjQ4X0qmyl9DiBjsuYTRnJNoRi4eeir7frH4yEpNjlrgFlRiLzlfYpcOqB2EAq3gTE5sX.uCHoNsjwfteBZizOQ1Vt9XfrI179Wi2wnNgzCu1DK8_9i.5k505DoAufUe1ODA.fHfi8i2dnIRekb5SnX_EOm4nuGgcfKczMoGe2.1dJkxwNDixea6XlrXnIcjToaz7MOPfGrDNHn7nD3nLhlp5WT4MoNQ.GzgkAn4qb8m6TU5n3dF.jHRPTtXAZY3Iax9J5CjClkFKr_wVAAnyrYBTQmWSMxhc96IxpJPSAUEjd._Cq9JBLfWJNBXq.rX5GHPF4Rqk.NPTNXDR49psNmNl6ER1i76ncg1tEAEt05pa7pii7io2flybvftuJmc5ZsrGy3PmoLkv7BDoc7.y7xPIg0AD_a.YfvpuOFVeV8R_TL3B2qQFAjgbdoimkK0ADneBVoevonY06RZo9wS2X3XPO4odQxJh6SyeoFQPQTMiyyGjtGaKwCe59THamfHbdvhoU1mh8rAw4pwIW7vzxUnDs3lWG4ujzY8"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f85c8bf80781f3';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\/5813240697?__cf_chl_rt_tk=mdLt2mVNQvXXMyxZmyLBfeSD1M7o7IDURv5GrFsSZKk-1739151315-1.0.1.1-bkZ.q5fuEc6kUaF35wn0UThrdUtr7ht_zUTD46dJXMU" + 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