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-629399133731.mit-edu.top/post/1286054973

  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-629399133731.mit-edu.top",cType: 'managed',cRay: '90f7ae8b9d223adb',cH: 'lVFdTB0rzQNe3nxsew3N0mmaHvJH4BkbMCIohzGwHFg-1739144188-1.2.1.1-mUXasMpc_oGmYVOFxeKL8SvflU_pR45.Qk0TEyozBNBgAEDZ0WNfphqD_2ns8WtE',cUPMDTk: "\/post\/1286054973?__cf_chl_tk=dclDCYQnEbM0L0RN1Toav77Vxqc_icFVp6zXsW2Dy7I-1739144188-1.0.1.1-T7VvOpIb9.F.NhTnXXV1HLhLbQSo7PcGj5hK20JXBko",cFPWv: 'g',cITimeS: '1739144188',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/1286054973?__cf_chl_f_tk=dclDCYQnEbM0L0RN1Toav77Vxqc_icFVp6zXsW2Dy7I-1739144188-1.0.1.1-T7VvOpIb9.F.NhTnXXV1HLhLbQSo7PcGj5hK20JXBko",md: "WiRPc87Zbt20Gknoy64zn7MJb4OXdixTcgpjjLM_P5c-1739144188-1.2.1.1-8eGD.2uMRUX57m4uFPmGNZT1Z9q7zsUXRevnUbQdI21DNbGq1E7HtqLKglxbJO.KGfEhFEd9E_jMbPPtZfMPIXXkgBlDF1xf4h7hQMHvRkYeiVvMye2A16vMmlUqcxvl_r.3uaIdYHsWLilIXwWANwvz_2VO06_bV7PnUDmAcEHgTaA2DAMoj8ICJpUcaCcxrfjPozdNNSHlRZ_h029PeTo5Exv_YX_f5jzIh31Udrl0e5k_JhnhTKRMHNx3zMmXZudUji1WuDqUUklgrgWwVeazJcu3wibdvllOun0t2MLV.ZpLgRXG1IcCJFs0DAICMyNPd0a1ocAA6ecZuYvN3kJ6oHwI49PKRJO6PNvw5EQLYgHMIYsnXpNBOR2NeYnf5mKU7dU6F75m2_VeLNwelZWvEo1suMfitxoyFcntR2o.AF5rl3nT3Xy9ynNajIzhDfTIq79zTOq7KBOhqNw0rs0C0yG5QoH05F1S5L9PnFcSM0wMhiJeMxm7chOpVGTpmVFosncnQq7EBGZcUgjZgX4R92hFAbBN4Z2oapN7KVDnw1fqlUFTEFsu.2FgZNciuc32t_J5cf3gdyC_zeItuOVu5iYjVcVW4aXMnzsTt3TRXDZbVe7Qoau6gcT5YVpnjZuhQXSjtquZf1RiAKDjNXHJqHLPQK3xYQ_oYVxU20SE6lDKJBlI9FBqXy.2sUoX9m7J9Tptn7RBAOxD0IeCjlYAcEq9LbnuqgGMIqnmIkN.bZGfws_ByvvInY2gAdy9H8CXWA1_QrgpDEgi.MYFmeuznK9KHQmQAeOQfUXgVSpn4R7BqEo35QLaLcotRLUIBrhcdS4YD7FdC_2MBpiFxyng7bUf5cjOblk.1rm3CKcRwSj3VgEAA083JL_Ws.eBf83v80zHDyMi8dSW5tDXNc8ZnciuZ7ug4F.zKlqRx2YOprmCTOWpb.DC7XlQ484EwhWWCHr6e1Fwi3Yt_87c0T.sCyd5ThqVPyI_rHNpJP5UaMU71CZ.aCOxQdVD6mlie62rXpTdjTwXGcb6l6Earaypg9qu98tEvQkJp4MD_X0ssk0SCgrSOOPB5DsiJ_xUq0dmVHJB6YWCIqEzNVDeKPnsMo52pM_GYA.BSALuEBLcgAE4l3Spjk9V0sEZvTCM7Em_4JStHAfcUzYYw0KdkfZgh.N_vpG60nIC1UDN8Gf0z0ST0UoDWlLog7VukqfDXiAXLi2lmuPQ_hmMEqjvP_Sm7_Y1J4_UT4z5C9UFbrfskAu_2AD7PK9CIVisigYQzkZ78u8rEBuTEjV3U0yT3XvjMp82bOtgmfCNnDRLyw0fu0psQ_Y.9vXvLZBTvE6G6h8buL3x9fJs_9WN8VWybpbWqUIey.MxI2WK8g9O._HbskKhP3j5apd.8YaKUJbnFowiFh7hfmxrN21D3DYbbopnm0ChPhOrmS7qVniD6Z7dMRkd9.yuAkSbwOx0k1tM0ZVmDDZkud7IB5DYXdRzVebVh68fH6a_4WHvzSXmKsNIBBB9IRc5mLaMXU0jIJkwsQVr8Kn7Fsi40g2OvIWUF9rXav8EFXIRzBt6uY6nGIlAYHvGxGevRe5rTphpjQzXUdoOGtJjBn0Rpa1lyZQOVG6hiN_Kz1aVHn5TAwCW7N_dww7L.Mo3UPg.qg2NBnWBWYsCgLnZ.WIOyuNYCu19mMGE5w_EHbQ7x_7Btuet4ThFfVMz5rJypSNrLtNmfWUOhZ8kNgz2lXBfMdQzJq6y_hO3.1mk2zrJyS5vhW_rRNqAFoenLPsHieq63JmD7mg.LINRycjjqJNGqQcbnlISiJyGv2wu1dfrKxh1S17gIxVFnXQH5lysYoVs1ToDOpFAx4_zhDvvoGHYk4U2YBIbIECiKTjhg_lsrDjdccZa2yjyd4bjuzFGCimGtZy38Q7ZpE0xNuc2Xtit4qA5CYVv.LKqJjy7HLp2ATMOy8ugrBD4UOQy5YigQxHqX_oSBO5S7yLbq.vHcU1nr53KQPKlWWyPqy5dFNPrFxSt6JHP_CLOJDxZto3pAFIOCMI.7qe4AoOaTr_OZu6zwgHGFWrDQpfu7sA4yQoHtPcWJ4duLJXzAn5MDUIkATHHLKipw2sP6vO1M5rdKXI5FziM4ECoc6bkFsf2905OIYcsHNSkwD8yiZZ8.5Uc6Lzy0kuoLyvdjQfVVli.GG1ZsF1VQLnjCRkSPv7HXePQ.cco6zpQc8.ahzar83GMdu6QROOiAqgY",mdrd: "ulxopy5ary3x6uUU6tINx_erx71zE0J_xmCJhwpgjAo-1739144188-1.2.1.1-kHnPYUVyvDTfiruCMxGS6GQ4743EPIubDe4rFmWtcgJvSUqbm09BmXQnE8ZQHrf2.FAstMUnwRr_iLEHuThH3HnxBYx.JTz2RtofODmUQWyUhmzngWenGjwl1yaAJGj1b_8oi4woiV6Y6FtQTq5yQisfKBKpaQK1Nmf8DYSVpyaS5Mp3Al9jQ9C0vHfYGwFGipEfC__N2bacboQKA3k7tepZ36_PHv_vrdjyTpH_ZFLN9Vw0r2sKCGTGFy3lbnLYpuCe9LNT834yKj3e7.dUHiBjSKdJgC7yESjN.DnYWCDc5vxWLp.IINZ9vhC1NlLuLzBIKXSKT1t6enUjBURz3xVPL2udtqgVFYi8LCc4BI5uLuJQNMtcbxTNacl0lYQyqHw_USQp2dBrej.h5xZKlCxMBELdP2zXhvIr8SH.I2DoqZM8iYKuyBxfWA6n_sBfLRHJfGD1S.b1r0u74y88PT93ecjSgDcZfBQ.F9xqV6e1VkLL7G5E6NuVSdlNHAeldG25Dk6G5rQfiA55ixFxvgeukIK_gic1HRgJJ4GixlFkb8iCohPMI_Wpj9pcODs0McosxTHeL.8YOrAziujOBO.QXHZ.L6jFXv8jiOGFGYny4u3gWI4kTwzAXPSwjFAiW7rU1BqLOGhrasgsnxnHlIIiCVZJnwYx1BL5YR76Ys7KYtpKuCpOHRQFQVP8kIH2iWUBCJy6I_QvHaffZaOOw8EwkR_bDIwu4ZLePx_AdqPLRVmmBb8jknQt7KjywH7lURKxqwspMsk0pcocrFbb93bRJgUd9w0XPmCJu3vuN8s_Jt.KxKYA225fri6QGWexzQkoAz5BWH7ScRyx5Qmfh9tFajDZwrKwW.PIu6EXn4hJ.l5HHwitDlEe8alRG3dzq_.tbQDlfKbPBrv5fUGvvwAMb8cx6d.DmJKRHHnQTtCldCoNGO8LnnU6yCQ7LlbssTbSL.b8YroLIyLqH.E2iutE76M3zna_PA.QTiSYhqQioaiI9aE8qApO63ySqTsHqik.OGZmg9mTgaJmvtQNsCVulMh80yvHAOObuXoUiaoMw_vIbeNPBxNOeB3XufGfeEEhbmSezwsA8GQowo0yH9g0ga9aomy63S8CdL_lgdxgfCQomXvdgDGcCjQyC8S.owSBL4gUP8sR_n5.ofDl0UqOx8T3FrEc72Lsw7F2ikz6CK8WitFogUEDuzS_VyLfcVlRXo42x678gfvmo6LyAJvELXd7AIEPhWr8PwV.RSE_TWfyIGWSxX0e_gK6xjeMO.nO8nqrGKEb2m2BxwRtjtgdi.62psNfQ4UtWaJXZVJPuhHMBGP_9fP4igGlTK2sdBvGjQ6DMmmmQnIgm6eREwQCqsiDjGV8siE_YFYDdMvACMiTYsJVOin.JX_5sTnfXch.PrGabpXxjGUwqC3mY718TPoX6TIZePUItK6VOIuqtd_cMEoc7rsuAwXSgrJ3RKhRWWQ46CTDE12O6XOi58ER4bKLz0juzpgnISAOvPaoxtnbjtINn5mThty37YqA41619AHO_jJ2ShrOLop__1W4fEsO9DOdn39Qj5k.mis5gXFEnhveRFBiXf2pDVFsmENiL9mnvhjQ9wVOA7f2toTAXgxj2vm2ESgSguZQfPh7xaGFiFtHkF7cPdzPfQlFx037Du7Oze1oA_XowWW45gFA.Z1o05JOkH0W2nbSi41fD.zpXzmi49jUrn6Mbbir8NEIX8_.4FFnDCy1YWb6IVzyKikIrB5V0tzfvbRWECHcDHF9vhWmTenEAuJQZTIDyQOTQDdRlU0cr4viiXpyPTDdudyJByP6CKqb6fb.OH8"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f7ae8b9d223adb';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\/1286054973?__cf_chl_rt_tk=dclDCYQnEbM0L0RN1Toav77Vxqc_icFVp6zXsW2Dy7I-1739144188-1.0.1.1-T7VvOpIb9.F.NhTnXXV1HLhLbQSo7PcGj5hK20JXBko" + 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