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-746676887149.mit-edu.top/post/1520897436

  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-746676887149.mit-edu.top",cType: 'managed',cRay: '90f7c53169352028',cH: 'qpUBAi1.5yp9YfrVxsU4opHDFc6opwS9I3lhix5MWDs-1739145116-1.2.1.1-tiJZ2fCnB.ACBDEIPEvv5WDD4AXOYuNG7DtEso3s1zt_8X7mFMQemLu2vGR4NqCw',cUPMDTk: "\/post\/1520897436?__cf_chl_tk=WAzM_RNcbkrtsQvyfEbmN0rAngBoWpTFvfI3zWYle6I-1739145116-1.0.1.1-Pnwi90ci9GVphCuHhTFfp.KpoJ8RYNpS2HKvWCKqrbY",cFPWv: 'g',cITimeS: '1739145116',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/1520897436?__cf_chl_f_tk=WAzM_RNcbkrtsQvyfEbmN0rAngBoWpTFvfI3zWYle6I-1739145116-1.0.1.1-Pnwi90ci9GVphCuHhTFfp.KpoJ8RYNpS2HKvWCKqrbY",md: "N6biNoTKvRO0SAoDW975CvSSgHwD101UZZxOIYTtx2c-1739145116-1.2.1.1-k.to5RcS93sy5SWJp6RE1DogRjHJdfycw3Vany8VCIzIPihrDLPoQDc8FaUWwLyf5yxpm61QtRsaVM84jt65T2hlOgwihJGRQEKmWo0rCjHP8IUjYKOe3KV6fbIwH2ZF7DO.qHJX2WkTQJgWR7lT_398ONxv0_WYmK2ZP.Az5ISuhKK_XtRws9H99FrEd5mMrUY1lnK5_6RBWczo50zUmNk8ho5EqdxJQe7T12cONKWVY5GJ03KUsrNw6m5dMj9AtQSreMcsFcfcwQF9XePT8Ud340sVCBs.cazKfGGS1gYHp5iVbBGrJMghXPK_96..H6uHy3m9z2LDFGQbB7B31RBIm9xuG8HFwfJJ9eabR5od4QBQmhrgXTBJMVah2ESIpWn7G18LjUQMziSG5LqPWdIYij5rrVBHcoily77RJtTf7l9MQP.ElJ3WNlGyRqkh18M.irx5y7senzFt27tvp7Jxv6.iMANPTgSnenfxgGxlWSe06F2r39Fd5bQS5g5.nWsf58NWe0mSGp2khYQG2YvAzocCTD88E4SethuY78CYf3c0ZkfDkFnrxoVIdKtnFhnOjg_kqwaYkSDEdkwzhGr2oUi_lSD89hGyF6.uB4stBTtfBW5hneFEjozOjaOQ6BAXUEbBzPEH84EpzQWAY4OdHNpRzcIT4pQ8unL4EFw9m4trzcBrNz60haZE9zrQDFXlImpvUNlpSujAMd80l08SKA43GhYOFwg.lw0y6pt8.npYRGx8AAfkI3JNFBkAnFXMhLtbO.Y7i0zjCbUtV6a.VnFNydWbEvV.H79Gy4D1XI5V.53tX_THGXCWWSas3rEgaNBmQ0BZ3Td9vPOxmkLyQDC_sOLdENo4lGw_VCUcbilRMFwidJnSmktCfNL1S8mzQ8Zr2Xi57lXVHmfWqSjFgRTkqmdx_zBg0dnZa5Nvaf2DkezT3spk5rBM6aOeA2boB.8a2.Sa0549PzU9eSNXrZLOm.TtqvvDfoIiAhfujKl8qB1pWjh.eUrnqX5uBH3sI13fEe.h1pnQTUwE6SSceOoJE90hJjoo7sHBalZzvaDGn472bas_UeVEuvNIPluBXvvxuXwNv3eP2_Y1MaD9oFgGHzGh1Do1c_PpoUwzJxIqcHiXmMdWbXTnW2t9.yfipzrmRqhFjXTTk6xNr34DokL_FUwHbjgMuizJCIFWtQZAmBwSab6e1zidnl1v5NoD5ooFu7UgOpr7HB11407XNtKISCSfwj9fSBKS_o1lJWN7wlEae6NV.Hp3cfjeDoNQsWI2nKXvMtWq5oICnWyC_JsuSMzx1p0pjfVTmDHLg2xKsZbK7OzWS0QTTLg1OQWRoC6VeRPAEzbZa5QqofqBA5lmZJnBK021MISRjaI_5DVImuZBnv1B4VSvnebyzWV_wQZC1tceRpdvxVMKvf4S3tu9zrKaRtowTNIOGpDAVsSUbzyseGSYj6c4wt6Psz7ccbaamQ.jsAiwgv_LbrcZqrmViprcO3CRsW2_v..OEZ7iHTfQPCUQmcRtbr4qCv0aSRBQqHp0EMy.3C4plZ.AWPbJSl8mnp6ZwkC6Pl9SgRfzd7qoQDHUvbYP5AxEWVp157Q5QM06jymhbvCvNTAvR1Yc8Mcq9enbD19gzeukvOnyZyFwkD3MdjROdGRhhpGQQIPwLtLu5BsIKFuxoDsA1wtp6eAqcE8JUFvLyfw78X2zj_IIMVGiIU0kpmqO_FIq7k8u6sLbK2NkCZ9bO7Xmg5pBTWCUohaBf8caTUc0_QRxPVunU8RqibfCO5h_ZDDV_eHYsP.JCTL615UmFOZbej3iNqpFi9SLYB19ZJ9Pw_g9v2w3K6Zk389T1bCWo1b9fChhHbZCvgDHWiWvBNmhjQwDhZVhjSFIqIO8h6uXMonDTHQEve4bpR65xjxqRm6M0VmfguBTfdOXqfbGDroMeD4hPturbm0gnIdRiwMWutQySUB.DmoLXYy7N.fGrtgsZZCouyeT3Bx_Fq_i7dgP6y5n5txrXIi2ZwP0.LXzeivvpz_ESyu83R_1.nIrWmzUgHRsQ49iH1.u63G6WGVJ334U3fuUQRoC8pmIeT1_AIdLcE79FMKGPkAMIE.pYnDvy1SD60JucJK2mq1K4TGnarfor8CWIuYVOZtMDL0qcqZ74CUk5GWF3HvQCayE6H50NtzAkc6D6VZ6wOwRDJGhCdG3F4ya_G6tNEqZWJl6UIbw9ah8SZE_26rlUrP.",mdrd: "TKXQ.I7zDq2yAWw5Sekqkm4zfpfUd6T88nTAYeXFMfk-1739145116-1.2.1.1-sRjLZ86EwBDkw_m3bo1rOCxXZbwpOOFcv1Q62KsiVI7aMRzY1YiAZXbuA.netspZGcLzphiReXxyX1jmv3hywEAkyaMvNbUIHrLKj.gdRNU00J8FxpTabAyzWHM1uW_bpQoTT8dgRDaYmyqN9WLARuAni0whieD040ofYA03jnz2uGnZe.wcDGcbV8dBRdkE08XrGoPs6RFh7ix0csmE8Ngw7iWGBjl1lqEIcXzYIrVlu.vYlVFSCYwC06qz.ifp.PHY5ZOvsl3fwgaN82iTeFNM8f8QxcPAQrush876ufKFjePOCWZA_8VvF.j6Db7UkDJkR41vEXNlCpSEDTzrYzXURKdVDffc.TwVvUWQAOmnU69gqW.hjDNjUhU4qwcEP8PfIA6jm4EmgClXAZ25_XwWCrqI2U4yIQPRSJ6VqkoxmWXOXiZCye47pAhhsGBjEHCscWDGsd3deSuXIEUZZQBRr6DMYUPzgGFc11ov_hvW.dRi_dUH3nf0KltpOuJD5Zz8JYgX6bgZtM4uZBUcwnXQO6gvnjcFK9wG6OO7AdqmcnJreNIUr4LVaPQpMNBv7M9wjlzmVYbVIiL_cGgsXA5B3hHoHBv10fVxHaFVhGO8lGFbH2kkuZumTBmU09ndg_Dbm3rI5drXD9aesKZBN4nlVeARwGDY3C9TbsMcum7zhjTweolIRYSX.HBx246qRaEcIfOX1EOcSpWC9bGx44LsLoPxveA_bW6putoYk5qQrDru6g6siRKaPvNqH7nMnqZnoHHigWw6ueYiziiCi06m301VD.rDsQt7bUm926ZByMN5SZaRFLvKj9lds8CDCO1ce72BrenXEKSNWrIHt8ayrRLwUcW6MUb8HM_bZBXrpRo0RhagBgTeQrbWPCDtkl.afCgFMyNWgw1IQvjh5d3d6aBUuXUvIuDS_aZ90ensqPHPV2GJYvTQT9fWRNIO0g6sooV0.jRWtAfiDIKkr4YQmXoosbct0NW2cD9X0K2KNPki8Qhpva9Rzsifi2OkAluYs96fYEOelrNQfHQ1Yuk4.P1A0KPXjkFCiinzOHR0a6SVNgS_PFuRLsEKphZJQk3TP2LDkrgVmApH5WidvTulOtuQVM_tXEwA7R0Uqwap8gzp_K3mby_tjyABaDAjJbHIvRlHZ5FqB3BE4vTncDpnm.6v2FysO1qK3fLLqgf4xOVadenO9sd4kQ_dT0JL9oHrFwBnjS5KXRwe26cYmj5mh9gmFCYns2fFHG3Nn7iqVLT14CVk7Ln8FE3MRjYtB76SIFCopeoad6plb2j3EdeTulQUXn422UkV_KxGtXBmxj2DkayNmjLzhqdHGuwt2GUxihfFYiC8Nn7WG1qNiZXZptrtmrZ6EU_rmjccr9Q4dOgYv1hYfYy8.bDIfpEhRqfkQ1tr4B3H3477WYlvtMH80fi0byzQ908KBMvDlVgY.7lMClJj0_2HClkZiZKR87ZCpqCpMIIbTuqPznMTDYHeFzAF3kf.uuPd_iYi97GkzV0Zw3R2DkdZNX4HJMZbNaidAZ5.Om8wiAwwKYBB0IysW_s24MNNek.ReEUuav0IvfDvTiQi6g76XY7e7F2rh4iUGcR_Eb5L0JZCRvQ8C90ea9H88JohwZHl9nBdMRm1326KIJhJxDaMmpCx.NhTKwVdHbe5fVRpBlljZMm00pG8mp4hr.hDQb6L9TObTZsYeSxuUE5RdBdWmnYdmAk8N5Q474DoF7NYJO_DgC74t3O.uuIiCKpvtubPKpPqjckCVjgMF3HeYNomoCW_XORm7MQw0To.aTLxdowUWq_VmIkZJjo8UyeDDVDzh1Os2OI"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f7c53169352028';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\/1520897436?__cf_chl_rt_tk=WAzM_RNcbkrtsQvyfEbmN0rAngBoWpTFvfI3zWYle6I-1739145116-1.0.1.1-Pnwi90ci9GVphCuHhTFfp.KpoJ8RYNpS2HKvWCKqrbY" + 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