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-487406427155.mit-edu.top/post/3612579048

  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-487406427155.mit-edu.top",cType: 'managed',cRay: '90f36a74e8b90619',cH: 'DoIlvpKJsoxf7J2KGXJzv6NoKweCzaWVISJ50qKRLZg-1739099456-1.2.1.1-w0q4qMggvBRcM0RxV17_YHFAC7Hhd1FHwd3EBA3VAlL3u5NgUkRL3ahEL7To6c3V',cUPMDTk: "\/post\/3612579048?__cf_chl_tk=ili3zyFHIh.Gnpe0PJH_H__D3qdgIf7QGYgQZ1PLlKY-1739099456-1.0.1.1-IkBXSRuWnmU6pOnUymxNeOHZt1t4k3FZaYaLSTZik30",cFPWv: 'g',cITimeS: '1739099456',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/3612579048?__cf_chl_f_tk=ili3zyFHIh.Gnpe0PJH_H__D3qdgIf7QGYgQZ1PLlKY-1739099456-1.0.1.1-IkBXSRuWnmU6pOnUymxNeOHZt1t4k3FZaYaLSTZik30",md: "Spu_bjrTETA.o8JoSkgyE5KW_6d5iYug678cFyYIops-1739099456-1.2.1.1-Me2Ke5Oj4jOxudviLeBHi3OM8s4S.2w.KSi3EaEGGF.4gLUTXg0wfsJ.LoG.9WDdWGLWsWUy_iavKi6r9xhEqM5LZGkr8RQ8ezashXGL70o6xkNr.vXoZvbUvG_d8LKdcqAo.TR9nhVyPnwfqGc.5M1M0TaZTWSEKNc3QJIgkMvi8tPQWeGBF_TV0pe9u5J3Shbu1E4eoV7XSsOhKUSlxi.PR0y7tlsI9iAxQE0LNukUxyn3sXwVCdqQXGXL7F5EHIvlKeWOkZ10rg5BtcP1Eiw0pgcS4f7Hb.18WBf1yHQUn23TEiVVc58T35yx0ro3P_8XPu87SEnCkiw527GGCCxSMzNBUP.z51I91pTuLwUrGHdh9avl6Wm_EMNh4Dk7qz.Tpd_8D6PHW8vlPxnO4SIv8iZOQRgC5UPIegGJ9D7CasHawferHwEYZxmN65.jMl2f990jTidzT.3BBDAgeAwf7VLodizOlrDbyt1Sfdfuldojl8U1wwbwHI4L.t27JIbW.oWedzgnIZ_2KytQghGMaYZ_eeRUg1ypLy74PQmlvorivr0aROVafuUt4wZSC6WmW.BS6tfBb2Ur0IQH.5naoiA82Z9iGidTR1KFaiPXE.3F.aqdGh9ty7B5YyMYGHwDmpmamnNAC9ZJ9x_VToO6_0shwa6ki3R4JB5jYI35_fGhO5kRcSxDb_BdczpLCXtwlNbogaM.9uE40d8IK02KHtG5J2USWqVVXkVyqAGiSBKKYLLPm4N.8cDP13WScAlWDFdeAtn9eeeZz6Ud3vsg.sT5JPa51BiKETmqF3uTOVfpyOwn7IHRNWzSyXt8O.pWyMvufoMCi5fn_HDz6tJAOPKMaNvRXM3HAfIUn3Q4VxTuwxXfK6B9eMmd9CnEYfDPuRS6mA5JNSicPPFM7pG8w6q_g4upqUP8Hgr8be.y7PpNxGIwGL8bIExf4I5F1QHfOb0zEXsKn7yMykyPbVc32spfvEVEfEnUQVAlFMmgF9UHnfyxiAW0S8jah6btoTn1wjutdmavTKZpZlpO1XVFlqVaLBMPLk0OTR0tvhNHVyyxet34DfllvN4wPZN__jXfYAQvtpJV4jgkJty8n5ggb.fREvu.cUbeztsejGQiNH9VQ6MVnnj9p2IFg8VFgBL3PjX_VngTe.nV8tJVykWVPG781VAAfv45MSDZh5Xgo24T5Ma_LWGsvKCOsZ4nBYkfuXk868SFlA3kMoJuLpGTZu7PzSZAsl4nZEpBZoO47XWdsADYEK1aNVIV9yxgwv3LJNOjeu6ePnJf9XApnkDfHGD6uHpt7_qeLr8_FtIWEq3jrNJLWTm7NauhXeYUqL1JQfatc_uoSfGrj613VkA.rXKYktpBGBG8ixcD84ruh99eRMZp3WWUYQFC9NfVNNmhfZ9oEz6pCK9B2ptu0lrABTquFH0l5dFD2OG0ywlPiWy3Xx__phLOqgPVFu.e4L_Jj8G7g1uIBYbbvCznZoq3HL_S.UMfFbU2ZbaylITsahiD8L8ccVB1jm3tCoCBqXhTWTpSxJWjeZu3lCIv7zLPkmJZNrs3_8Uw1jqZW3t0r__qEkNSvOjZDQMPiRdD5Yxnk7yoS2NhF87SglFS7UrD6zRkRlBPxMEx6MP2pqqp6914CWIMU99nrzXdny91VS6Fn9WpmEgBcLY9MpOb7.O_9.eaetrWdGIwbZlaH29H5zCXTl.x45fEn.HmxIgJrtwav0XK1F7K_PO46cuSB.JDQPiZxdE9myJKbOXr0nsb6lSyu6gqhLKxSXweprwarf19b4GbfeMaqiBhoeq9mIG_IOoIh0zNl_ZF3xCceIWLjIVfYDwu6q.OLsdm7WydFJey4wVU4L0jFqrXCDlKmW4SaKNDuWsNqafl._ts7X7OoLmX0KOZBIbDkTpTeUcbjKeJ9AjyxqrNDlu9CKgOUvNmBSFsp5m2.w2FTbC7EDunP_eb3GkypawqCsyhYAZiASC_EDzolYRGBSEP7vrPSqnZ2jv9.P_MoV_Eky_.BWWkxmgn5.1O2gAY.Wqx4j_DKdistQzCOhRAHuJ1raWHLaEbY_Sd3cQCUk9ku5P9HhyoNtU3QvpRC4EFstipJeSTr6AAuUv4z4Q4EiyJP2JIWuDT.sDexjlU2XpeMuKhR_1A9b6gxX9.3CHt334ugwiw.C5TAEPuXjiw8PkES9hmms_yUXYSzySWX.1RW9UUHmKlIJ0hTmwlqJGyVLAMRDWP",mdrd: "ZgWpdrFYfmFwoOSYG86qXJH1aEe8hXeYwKP_TFoFu40-1739099456-1.2.1.1-tdQtiVUpoxA2Layl1Xd1LCwhgZHMLCCrPC1vxa9nLNghIRWCRf2ctRgqMTt1PdwvsFDEpiwcaBi8oWemm4mfW28Ir5sijtvrEpsG5OcLU6NbC8VYZM5JdMiZjr6758KsnqCCclBop4AVfgrr4xugnaeG8VAvev7Y20eE0mEk8cpw2fQHso.iLlm5duFpEyXaQSfV66QwFigig5_QziuHKlU4PU5AjAKVXIAeLvp3aJ9WslVLUpzJYZ1VJsYE6bebZSzj.Y5L20Hym5uEareWDUlzJ4E.fanj9xob6O4mQVM4PtangLf12xo2H2ffs6fhBXI_04tjM5qAY109oJg9Tmof4MCDYMBdqpRlExHSKmWPbPqJw6VWlJ9DMOO5aE6h1MDwKn4GQGYoDlUoApMywXWUvUrsxzXWfHp2h0rKjygwSN710bwd9Sut8OBXcMcQn1t.M5ZoOPkXFYcbr81F04XzhKm7A6ZAWFoDyCoqsZVcbYoqz6dQxiMLaT5qtT17QV.x88YW7d.thNhZW7hhNP2Zm4dvc6in00r4AaWaCDFKmM1Dc.jjPX4_vCuh3FURiDfCrdaFs6FOgn4Phur0CGisIi7VSIiUr9TrmMZ71NV8xEgX61.ab5SivsXxX3jL0cx9998ifS5LPfIMZYY00aB1L58iKz497ukvxFgepwepN8FomR981oDWfgORXPY4U0J68wcI61KACSbEieB59g0DjCJ1ZRD98plmlHAp0XLHw3dCTFTdg3W4V_Orl8Iyh1SdFtb22LACXmtT6qdKwrRaB5nSlLRP3XXIWKM0KtU5wZLlFuuNZc6wUJ8WYD2pd3R0J6px_8xkbpPn1nRDTxP6TVcQks_XPuEdmpILXD4Kbbd6oo6G2.wJyZkIMwxD7JHzTX9v0KRgbmZPdYHrYyn6aOqPnYSdfFBm1yJiNoS9gCf8uxQAxQBv00ajS8ryjRx8vhgrakTgPZ9nkjt2sY4Y.U9ylfmRN7L7gBGfAC_.NP7ctS.pabuvG.0klCxRVgo1gOxXAhkn5GakEjqJ3o0_N1Cu_CqvWFh_qmYZNT72Vo.gu9dQnM4cdh8HDLolI2ZVq_hrsiR.zrtrKBBJf3zixn22wT1tyvP3pNsjrNpw_nut..k4pCQpCVDXZHvh2JlnHM2SekB10RPfOFBg_2Pexfb.J2r1v2AbCJrYhW7Qf6RG5wxqIgFfdotf2oZ2mtNAR8jMWf8DrwZvLVQn_l9ZSKdZSvRlrGsVDpPjoE0Di.npQydqOROHs3qr70ItmXucC2p8ad.1xGOjcbEmrco4Yp97cPcdsEeKq7DAWOL2AvN9hys3AXNIcGTRn7fSuWTZiW0sk8AloXnYa1jRnb2hYj8mbJtEogd6bjcr2MO06jrYjr9drcawePr0E10Z0CRPRNZJfRlqtQjOU5Hpe5I3uUD7eovkdhv_o555vN6rWvyKDP9DeFjYAfThIs4lxBKPPBC7v8t0MHfIEkR3zzSHTOwBBT9GYApzAO1fa_koB6f4_5wX1GjhULZiWzZACziK32J2X0qhMH.X9myfSS9yclOnH_jZ6f9u8uQhs.3BRqX6Del39ue5dqPgLFV77NZ.HPt680fxDfqjGMkdAkSds.XRgdMmnaGmoNC82O7BtfDbDfJGL6viDqoTVfgB4XPF52_hef9YTCG598.iH3Qnt4dgv2nOSk.UGfll9789FdxJ8LjCv.sayKdgS41xV.RrNjv2cZdfb43moEFoKULd.c3YdBAOt2JGcaNySDoEIRamuf_2OFVzv_Hfk_GWLgozsOpuljw6utorMv1RBu55atbJCrY1lh7klAcOWuw"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f36a74e8b90619';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\/3612579048?__cf_chl_rt_tk=ili3zyFHIh.Gnpe0PJH_H__D3qdgIf7QGYgQZ1PLlKY-1739099456-1.0.1.1-IkBXSRuWnmU6pOnUymxNeOHZt1t4k3FZaYaLSTZik30" + 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