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-aff3c7eya.mit-edu.top/post/1978654023

  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-aff3c7eya.mit-edu.top",cType: 'managed',cRay: '911051ec8d0a1b59',cH: 'X0kuhTQrpr33eI9zc2QtF0UTKuIVsO09WgTbdP.fOco-1739402538-1.2.1.1-wb.k599RQSFe._lekG7EN9D_44BmapynmpOzvzepAjXS6VYp8FomCTOqnz9.TIOj',cUPMDTk: "\/post\/1978654023?__cf_chl_tk=T2FMCYhM6lUT1ehxI.CiprIAxftA0g8Npppu4T4nZrE-1739402538-1.0.1.1-TvyofDLS6OOkUhsjgIrqeQi7Jb7Tk7oMlEt.iN2P9Xc",cFPWv: 'b',cITimeS: '1739402538',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/1978654023?__cf_chl_f_tk=T2FMCYhM6lUT1ehxI.CiprIAxftA0g8Npppu4T4nZrE-1739402538-1.0.1.1-TvyofDLS6OOkUhsjgIrqeQi7Jb7Tk7oMlEt.iN2P9Xc",md: "0L_Rrn0klPwOb3e.Vf.9AbBKRxuj60om7VEaZOBfZBA-1739402538-1.2.1.1-zAnNAsmuOerlVqp5dHS7A0fZSq8.kPbn71nXjhnyhU1TXyjnbAxjwgMyY_Zq2Y.dArbKwICtx.rzfwBDzMH15ypPcjR50VGjb5oX5MoKwn17WuE3y6vNq4fwk68Avu0DQoL5Se1CJNmngKeBeNaat1vO6Gejg2bUe6P8DPlYmpJgp21IC7YT9AsS.Sik2wTPIxj.0JBO6bbi3mGHN8miHZWrcCTaekyAQ0UW6cokIbX_MiARtAIkoK2QJ0lXyqVzhIzM.DNyagXIxTvbYPAa9G._hwyItowSL4aq3YgLpw3GzdxYjTGKBrPPhMGfDoEf1yyh3_zSoT0lpPyWqZr2KkAIt1mkL2Drj8RF5yMTAghtpeI.Ty9CYZKnkwdHl7GoKo3x2Ho7Hh3qdfHEHJYdQYcE6SRog3mTHasYKM.3DWkIpSH6sblbCTMUj3ugVTwg3HRlQW0ywm6wKKo19ffch7NugNeKV8Z_h1zvCvc6LwEDiOsB6fu42VoIiugy49g8MMMWphHf76ZtPL1vO7MfB9qCFCaHsEFOA25Irvsb4LcLMD06XuSi2QBvBCa.XOcy4p1PUblnh_ZF9Mp7HGWqF8cQId3yJrP7QETSjEzo7PQl_8TYRgm9NI.q1MVd0HhyEDdwU4X8gkswnRQ7GHdW8C3Te_OalWCRO4BINqibJkDWe3OUaeiWITDSR_rjZbgpFNR9zyjLNYFt6fGVGNuIqYB5pvTvYjFHiO6MFH04YfxZqPyqsZiuEsivW27oPcfbyR6ZEfJaspcRGuKgu7gXSNyXGyBctZC1cfK82iMTN3H5BSH3VeF8BEPoDZckmgDNuLu7XEpnOy3rJy98rff2HQPM24nrBm3M9LmW7CHKX0F4V8aaTXR6hkSEGOLeJ.mglBiTGUeRYSwXMrUc0my1oaZVSmloehZ6Dlp1fLswfgmZzjGIbnmuyqGc2gJQ68e5XFAHdOkCJIsK.k.tfXu.bQ4dgA6xhk8LQJIKtMgS_ixNudkO6uuTyBZ8cNRUdRUxRJm2zPGvH.ZMTNnZj6vdt6r_WKTE5fWl0QSHzCksv4X5nyYTw01WhkM52QjlQZx5OFnpxK8UsAT8vcsJKbi.w9kT5OqHdXaG7k2t5XuktIqV_ad5Y35HDTcFQfTMCWMIJ5a_6v_sA4K8CILXkfg.LtwQ4GqwFw2FYHXdflrSetFvrA31pERBfpVwhNwhebIrrh7jti0ML26GFIuhRt0WLZhr3p7I08XyMeefA98KmWcMMTdexy3sirz.XCT0F_j0WhnJ9gphLDux_aLcfIuRy.i7O4B_EGRGnPMcc6z5p6eDlVuRdpy5351eCUnat4XK3pit7X8DvOpPnNcRHeukAmSw8fnWhkREDikpPr72BU4hBA_B9im7hAwJVpyFoM3bdUntXZJPnogn3WX8q9JJpXeGf3Y_TGRHgCxkBMplSpLgg01EoE_5Sba_qNGcY.VrlvmmO55wpfFA9d52aZDAAgIUacknBJTu7_Tj0W_m2r2v5XKtqmEMiqrCHOj1BdNYpqMHxOefjRkdFcoRIM27KztaNcha_enrgwa8avm5ygUvS_7Mi6Z5nCN.9oq5GIAkiNJ808a.ytSXXhaWtpxPKWHtorQzzaTuklTlS8ADB4s8eiLOFZMc3QhtMDc3kS1fK01q.xsLw7WuJXh31Ib9Vm1MFVz4m5q2KCjgcKLsDFzXZmpjdV6XPppSC1_8nI7e8LH5064sKhoWQWpd9uAmjXzDO.qoIE5XJhM1RyV5vXELIhxVTMR.MSa4xukc.XUwR9Z0ZkElMQc_VUQYX23tP35J4_2Dn24V5pSooUOAU.EXjpgNikexa0v4ziMq9WcUmKAz7vuF8_1JRnFeYSdblSXAVrny29lLgYgYUp8hbUMdFVeqRzM3uEJ9Cl1mzn0LEN4NY1TThtTOIbcBSwwkTiXd4wbDQqtP6u0mlEXKAwuoHdulq8vm9IhFbVigUvl65oPN8jDVcAVwdeDW1TUj3m6PbFKsXvYy9HvAtNCtXY25PhWOnLJC0sAcCgSjLi5lmroSpY6Kp.BXJee.4SvW_7uTBAHE07TB9xdbeZltm9S.0HO2tL0nxXfVwt2W3jutjEVJIXcqacDi_EmIwqafT9XGgl9MvEVgR4rr6Bxvev0cezXliBE_jXISYGkhx0GI055WNfd7dpleeIKf.cz4jvrwbfIrvY1mYrtO_hJ0_73auIa_.9C7_1nEWf1Ck45v",mdrd: "987tXmxlPjT9YTcLHYfnF7f3_sJF.9xsdhkwDjju9kg-1739402538-1.2.1.1-IeUdll8SgqVqzMcCoLFZ4I7k0B5fuP3bVhPLAAuL19YtF6t9G55UXTij1nmuQF1BDlD2R9GZQmdwXx2WKPDIsWmwmqdXT9Q9e8WsZnuSN6wGYqjnvBNbQY31hn8qmZBLcKwAUh4KmMSMNdVt4isEGyEU_UGuyrbCDj.vzwD.Qo1TrlCgSS6DlfhhPN5fNALGtHks50g0IMM2Kw8eajSXo4S1lqIUPcPomOfhtbL0O1xvnlMw.PbJajOkXWm0sB6Jq48Ucp63zAsxdiJ_ul8_87IGLdarPmHT5ganAuvxj6vOQlP2P1gmT536YfcoS86LZmk25ZfM3CsytdbS.G.UNYcrCDK1ZzE6soNFtVizQMJ5vfdEs.VA03QvD3PmhAFroIUNSGea4trSeliSrNpiUQk9Zix9V.LEkU.Q2qfTKXbYn0N0iDHfVobUsWo8ihEcBrpmcVyB7diYeNbUDe2Ad418_WjUCxpG_4V5Nwoa2phlNjTpHjVFjbYEOSX_S1mW2I5y6SLUVf78Cq3EahyS.sMkYMMuWyPglPkc2H4aq6YAthWxfC.ulOi16UUJO3NhhK41j72Uu0a3vwYPRZ1RqY9TYaMtpEeFqET81iD9p1ZQNh0sBE4AYqMAu7Dz71_blHoBuH2jFjf59KoWxK72K6rCYlk0XU8HpmSQck0pW9U.EcQCecuLb4a6aH7A6LPUa89HYy6StGTfDaNrNEFH2AcqYzt.lkRVGKMFrKhEykl8KdX_qCDFXi.UnNEt0SAROXlS5QJ3rLTJjABo3kHv.1uAwTMSbeBjrOTAp7yYxsODIashrlBBdZ3fnsf9UEQCLDWGOzhULJuvKD7DtjCT.bf7mbCs6x58EBWnCZ2Qxvrc8IPfJA4YV2Zj7H1V9TO95n30Ss8w6srv1YCGggJeTfjC.XJIdUyKxIm23jK8oMyGq1ZGBM9V7BBuzZ6p3WxvNvQ88fEWSlHjRTxgaKmN0SYroZS1VZRVD86AIGDHLmoiXx38ZcfQj6EICxeW3CWlaKbKS8fyEfvKDNs11w_xRn2heS5HLPRzEAiAO75S_hKHORmcGE3CU4YZ9Tz.NHrSFlDEc9.xiQinIAHuTrK3Nml4_8Co4XBdnxmtmAmbBIwRC3gfpv0RQez7n6HL8Qj3lp1Szkn7_al2XXp7sFm98bECtJ29XZQCaB4jUsy6XnwgT8E_XPwNFjr1ru19HRoTErkaxt6Ua1xkmfytAl2ueoehCwlDjzunlgKcZgieqGCB45GGgcVOReJUMAgLIYLj8EWBiMf9txO6susgwD16MYYc2rQyxr9MjpCFYE5HesK9WmmEyOOS_1nvNWW9.lJ2vTZlI_1IsRiMqKLaNq5YUdt.uZqdcUYXKJw7rHEeuLqlLadb.bqajhNyJ9xi4NDg8mGSfIFiIvZHNXxuG7JQnDdj.7jJdS3Lkxj0lMNC8TKRw8wAW4a012NFhAbCRWuuJNoFsFiGAJdlwIjPRufvXhxxQ5nwmkuKO.nxT12TadnsxEb1QiZC6iYePj.PfnyOr5wCf7YpKqn8AXY7pppaZy6_0QVe7CN.hslwRBIbWFJRYj4g91rb0qeFPoS9P3xWZqHijKOrD5.6xD3znQyPePbL8r6DaOehew.NmFvIQFWmbeOXOOxV5lep0T0Pb70WeU7QjQmuFLdmWG0NfhZs2hyibUvNJhU3ikhBcODbAjIBfX2a3iH6sTzUcPsOwQKZgq1IMTl.kixj9w0wAHrBUq9du_DLrY_CjFdYrTiLO9eIstvmkNmWSXq1ZD0Bd9WOG2KKKKXJQ1JH1W1fszftPQ"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=911051ec8d0a1b59';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\/1978654023?__cf_chl_rt_tk=T2FMCYhM6lUT1ehxI.CiprIAxftA0g8Npppu4T4nZrE-1739402538-1.0.1.1-TvyofDLS6OOkUhsjgIrqeQi7Jb7Tk7oMlEt.iN2P9Xc" + 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