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-affxs21oh.mit-edu.top/post/6835470219

  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-affxs21oh.mit-edu.top",cType: 'managed',cRay: '90fce7b24ba1d6a7',cH: 'br1.BcaENFLCFRS9ZCCzJnA6l9TXtI8w4W3f9srd7Ew-1739198958-1.2.1.1-JniOdI80GtjAFetWFsYMlDYNq4.YwqG240SFqISXIZQ1OitRSxkG9iH81BHOtx9X',cUPMDTk: "\/post\/6835470219?__cf_chl_tk=JFKwsOX0DSwL7RpfghPPY49GByRs_QPbyA8c2P8b544-1739198958-1.0.1.1-wBhlv..VeWqIa7hktr4eT5F3nh5brfyHjj5xMnFJ8KI",cFPWv: 'g',cITimeS: '1739198958',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/6835470219?__cf_chl_f_tk=JFKwsOX0DSwL7RpfghPPY49GByRs_QPbyA8c2P8b544-1739198958-1.0.1.1-wBhlv..VeWqIa7hktr4eT5F3nh5brfyHjj5xMnFJ8KI",md: "tqO0VqiSOGWqriamFIlJlqnmxzo3kqXNUW6HdmBjSKg-1739198958-1.2.1.1-S95tB8TqyKinw.5GIt6Nz1Yc7Dl4KKsqgCUir39XXiMtT0xPzF4Ol6xZks_v18ejgmgMXTufvdiPfG.cu94YoU7CW3RSveua4K_KBRwnpYS4NvbepxPXNgTSqla1T46.xo0bMUk61kn2VpPnVMHvXpDOSWm.w5Ux7adOnY_lcNf0hjvMsCoX.JpJ22sXmHyBxbrgsc5sZB_.OZjA1d0bsawXOm6G5yw58vdAfFarHGK8cbzUOPa4IlYZHOkxduOXvN9yq2FA_SW21T23RwiIWh2YjJ7IRCsx8lBDw3ene7mVnadP9gf8yZ2USb_7cqA7t2F2S61FJQqgd.BoBgdHqqpFGYmU2DQhm.gBrm6wcam03_KxrZUMFyteLPE79mckYq4U.qJEjwDc4E4qdW1bLIcu_YxyOjiJk9BNM6fFuJ.p.9_cqj4Oa5e37_8HEqoRGQjJ4bHcGxEkCjkJwHLmCuGIVtCS6ZYAE6hut4sFAzOYLPgk7nt7TC8K4VKTWidu9QQt_ZZY.LPT4yee.PREkkOCNKy8wg0.EbD_J0e4rSXco_iavzXjJoeXoOpXZL_wDxPocVAcPAUUS9BGRUH46vsVAFE.WgWlKFZJPBnWOmTUmICC4iPhMpPsDcYiBH5EZkkGfhnZmlA.0LN2_KBWC5eI67Xa1le8V98OowqZllDo9YUPlZdkQpqr7IBoxpNMm7V5lMFuvqTyUunGGcVtM5BdyyOxGMq1QC3Rt2jXfyyWLxGm5sDIgV5by.Hmaa9VYbfHPgZQFOLPwVqQvXtecXV13Z.eSo4yw9RKtwMiHzAokqmwcshEh_sQ1eWW5XjjQu3nUYe9q9uqmK.iyTNUua06PMEUQES02Qzrqr5sRo3wUiKwHZlDHVY43.KI39tjYSpaG80Xd3uZiPFClweUyD9.dYVPlxo02Tr2ZwaUMM_EzKbveG0AdLZEWEpH.dbxoJhR_nO83WuNAkex6HR4W9aolpF9hsQcV4Nen7iWOwzye98kZK9hJsrFa5g6VXrHdHChylCLLNS0D0f4QDoYDFiztU9uxOjPTIaW3x2m8vyP1EIgeSTv3uv2i3OxgeqVOqCbQy78BJipfmrJzO1XNWbwaASEUG7i2DBpVAANSCxasT0KVjtn1ZwzxYOt5j0PR6YNc4r7W69EhMK1mGzZbY.6ayT2UPw8H2TLTcsra59TTjukABXkX7F2olkPmYAiGBiv8WpyYhsvRvRyZLixHYB58AHw.G4VdN9nO04.AgFCXJR_rv2YvvONWzFYV0EptqIeCXsxhj.QjIDoP_J7x4PEg1dXwGcp1ngK.9R_fo8BNarNH6ElslmYZYQWNL9iQm.pFZeARq7aAYTu4MQhiGrCAUCGNtTawXLJbdYdN5q_ZNWeTAnXTOA9IfagZx7LJvU76VvK4amJWX0t3RGOS3USMe7AV32IrdBVBzwcSgRLxQGrw8tiZPJJWSAf7EhbDfxNn5870UDVgOvepC.0bo6ZIRGUbpvpZNR1NExtnmr9jnnvWHPGwCCIS8S5YoAXJ71Ch9IfHy9len7H62X48I4ycMqfdM6xZSVAMoXkl4J5uOTFCpBuOETcNPAvDzgXMGfWlMgk03dn2xj1weurMTQ3swlmisBML8rbQpvy4dZsRYvtw9jDC6LiedF9zTzfQK.mRMmb0AjxLF5Zs7S_jjyGXuK31WeYt3geJcifNnmCEcsJzORuYljCp5EWv_jIGWs3HXfNZBNELrZsTul5K2zj1NYqBb51wI3qS6AqzOeWzfjfHEmtm.jBZJW3Irz2lp96e1slcTMsfKyFxsZ3OfgLAjQvHId4jSkMfW4wVVEoWQFmkK8N5sQhZlatb8hb2_Mz5yCUhQcGQXhkQe79iEcArK2isPwv.AISPh2PsA8QclvS9ZZGtdw.P9iEEAUylZpVTXVD8L77xcK2C1rFGljTPxkgnnxbHYIJ5f8fxzDxTUKSI0dPP6whdKIU8XYeKEDWQ7z_YOrA.LVsFlsi0MtIkIgwUSWJ5drnkWrC_Z2Sfrhn_p1xtEm3sCaH3svvaTQo3hvrTFutRHiAIiZZOPtePTGxuZRdXIHittX3mK2nOIMA6CTjbmOHCq6BCIlCMX1B8KTGymqRMbbi3VViPPK9f8NfO5KBQnL8Ff8iy4eMvBV5Cb2dpuwk96MYnjBeVtg.iJjOzfLrWPQwY7YYj1a2a2yk8DY_Igs3cciMsLJveBDQkJjGrEAHNvif9xNk",mdrd: "ZxdJ1kj2KNrUX9a7e7cMQN75zS4yX91PnbWnaKLHGzY-1739198958-1.2.1.1-uDuNDxpEfOfyzfJ37yUA6UKH275myCCMmG.dkv3JfCTyyDLmetT8_ADyM1mnfe7aZU3T2rDQ4caeBbfR_uZ_bsWJWPJmPNWdRjSNVJuJzgPGiCvxw9hMjKhvoRc5CIoIHk5uxj.5pWwaFKdRUwqfQ.t1Nem_xLNJdhqwsE7yBGw7U1hSJGpmrO1aOy49o_HK_cnyz8r.yDUj8NkbnhdDYCd5ts3sq5api7aLQWnNwrpldsCCrQnZJK3x2HWwS5VwJfmyE_hjW8CDidt1u1q.ITr0SSgZB.vyYaqgPqJseqK2yxh4x86f6mTXjsnIp70PHr6m9Nxw650grWIP7eSwUXUNLx0oQ7Zjq5cmhVaz2yzkb9.0AgT_Ao4NktttyP5t.4XC1WgRnApFoW4cVESu1etwSi63ja10PostRH6O787RxH2yV0mYv7f6WPj6OAcB_Wncj6V6egHoRxAaC7ciUI6LTBm6BFYo7859FTOb8olBUY2KJVrdCOGOGO5SzXfPDPCRPU5olGRqg0UPWet.rH6qPI_lT6mIZzCR2z3EgW6dOYe9iYCWiNDJydZ_54g9ZGKOGEs.DnsXsgIN.MD6fuODtEQNiSUgKkiLYa.35sIY3TWn59lyPeLRt..Ojlmb1UtQc41W0ScfLPYUBTQPOOp4KfPkCeO3m_ctPGgpQCDaFlt.lONameqzmh.nkdGqm8b_8A7GAhO2brgg4HXOflAIeyaVUyn64asul9Z3K0.u.3WDmvR_Bh7CTy0rK11LQ8gtdOKSLOOTb0HGBUvQNSwQ25Jq0oGYB6KA2KGt6g42VWMDKTH2yc6UXKr1DS9g_mhiICnN6komuhOEvY1tjD_ekD6cmpHNRwrPcu6CcLZB_30MAoHNJRz81lK.mR8hg.zK_6NN2U4Z4oKmrtiffuJWuLRAD.IOM7JBp9R4eFImhWJAAqSJEu3Hpz12Xhn2v4NcYZCQLa_KMYYZ8IpGnzaVVH6jve0Kjg_jehC1acNRve7bjcfQApOa8rEQKjTMCla2T16b0s.34XtnVo9i1emQGIvTvQXHgc5EvlXjNJPUtNjPbn3y2026DtpJbuVch9q9yJ66gfLrloZ19677ePCn_gJ.erm1sqoFMY9o0FS8jXaCpr1C2MtZs9no7tfP5nRROfh1RXGG0KaZPiuWvzEkXQNLyXvzu_bZS_3DWAbD15TfJbVKqI.ehFlEzmDlJKCVz6PCT.neucC9EW50X8HJE.Lp6y1IDe.64E9dqSqw0oi_62q21l4BnG0c4G4woKDNfyYISvYsX6gR25H.3OtBxmek2Qz3xZ_J9W0G6N6OWWWJcoym1VzRQgcZmETMvWIyTwl3IlwZW8cnTOKjJNb1J8dBSfxqi2MXAT7OdVQRRJRtiWwVFxNKzvtQiu1RF0FaCkUkeN.P8yGb03krSSSbK.2lhDnE6UV2lGKkswELCyf3RHwxo4N8CVBRn9gUceKaD1v25.3ViFfVD1e560168ciBv6nu6IDmzSTgQR6Atsq9R055VfGXb.l69igZT0Q4hppRD6ItjZOhn8RO1MivFAbvJ9Q2sXNVFksJB4I3Tj7L9OwxzchOoIgdv4LEdT.kI62.9P7SOZpju1m8lJz5mNqfKBJCZbzU3pm..eRvZCj2VbyFz426pDC97RSb8rk2Jm_jNl3q5EJ5YnK2TFg4RyxHn8J49G.oNWOwxBaDoiQAT0pCAYqO9Msbi97WuWONieuXCfFvyK8yRaoIFQvjPMkFN8tjMky9GDW8EMF4jNqqYMZse.cCrooCt53ttk1jGVSnHk.qnQzbQlKC9lAHqZjmCbY48p0RlzoFxjQ"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90fce7b24ba1d6a7';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\/6835470219?__cf_chl_rt_tk=JFKwsOX0DSwL7RpfghPPY49GByRs_QPbyA8c2P8b544-1739198958-1.0.1.1-wBhlv..VeWqIa7hktr4eT5F3nh5brfyHjj5xMnFJ8KI" + 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