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-643339835076.mit-edu.top/post/2605317984

  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-643339835076.mit-edu.top",cType: 'managed',cRay: '90f7b3bdbd7907f4',cH: 'rA1wu1E_DNupSOpo7gneY2I_YUGVeSu6qo_0oM2BZ6U-1739144401-1.2.1.1-z6OdxOISBIjFFKboPuO_wiQtPWIHvJYv6pbafTPcNxJAPcN0yYhU_JRO9_K7PY79',cUPMDTk: "\/post\/2605317984?__cf_chl_tk=pnhTEEhkNEGH0F.wAcuscKv7Ur5aPD9iynQ4R_pxVNI-1739144401-1.0.1.1-vSf__BjZIrFrRGsK4rab4nlpqS3zehO4AF0tmEiEWIo",cFPWv: 'g',cITimeS: '1739144401',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/2605317984?__cf_chl_f_tk=pnhTEEhkNEGH0F.wAcuscKv7Ur5aPD9iynQ4R_pxVNI-1739144401-1.0.1.1-vSf__BjZIrFrRGsK4rab4nlpqS3zehO4AF0tmEiEWIo",md: "9S0VhiBtz4Z3uBJd2dcp.GrA2EECpMdtMK_x_3fjQUU-1739144401-1.2.1.1-eSp0kDHARTq3RO0Nfbc4gD14opU.v0.nsHt.hBLty6lfMMo63u7dh0II407X6GVu6tpwSL0jCeHSsgxAOO8WE9pqPQ6rIh6u4g4hdr9uobZ.uGAMsOFB4fR_C2dmrARiV0fjeLN5kWqqAPqFTHauJlOYT_AhKbD13OZE6ZvXLKXscLC23jywcyImH1Y_44ts9xp2aR4HPTGSAe_LSY2.wfxharC_X83SmY.HNpsqT1gZNdVZRzt3NZUVHL2Zv8dwCs0VxSnjxZUAQL.X8hsmCkZ6TpAqMco5czC6Uz4IYimFNv7__I66At.pXr2EjFGxWLkHojfLgiGEam4draUJshFXrUDlQRrSAzMp8yZNgOnwUxbxDykbtN0wOz0F_zDxfvYIJp_g_qsSdiILJtQRBiRBK8M_eA30qvfv0eM.btH28hz9hq7Yh3c1xlm5pDh6fwwJsHhoTk6Vt_I7OhvP.0LIqM3EI5W4tKY3skkVwcS.7CHns5NpFFKsorFVdypG4ip6VCHolRqDQmk1XKEWbMPhgabMOugvRmO805W.M8Segp.WgeMs51lNJlTxAFcy9yLfPM0KOg_7WQgeloYn4x2nR5CHSbb3RS3eV3Bwagr0cT04Zjq9A2MfwVu4Prm_y.2erV5x.TtPE5Wfhi84Vmi7CpCQJMglOf517nKUOrP6nca.RVBf5bWlX4VFW_B6IMCC8CrZZ3pm7BnNoUYt4ie7FfDrE7LvXAYASG9fd2jeTyaQdmlighOdXXiW60x4njyWQDV.VbR9eRZFSOLa_EErr2vdpFECitc6iaS20Bn2NOyhr34J0JXxJeMWDU5f3w11OuEBII5nyPbw6FjRA.8SsAVOCkfWfwBj0ODfSR5LuWlSrnlmRVU7toOF6ilf6_2kaEA3aKUzCBC83BJXifJQdopt_2miN2QSlb274aMQ0hHArBEG1yhWDGJ8sO6kiyq_B4T8xOizv0q1yrW0svbeN0DeACEbUyhaV_DWns9IZTz_zumehh2DGetQW8CYejk9ekdDO_AR2vKJArBGQHm_hTrgiIX1w9gpCHB9Kb.D6j33fD3z34K9zL72npFo.hUSMGGHkJfABzYgtHsz65OkaV2BPzRBrrFDnqugpk3vKDdQ2_KSkwOxtdabWPSDWXEc5I8Q40_82IUmU1oTCRLrukpRWBSWq05NeCxIdK60B04p_0VuyL0KCdLRnAJULe.eRW2F8Ahu8ckZkBi31a79AaN5FCncTMtIoDp.0zwATq3JOtBHMiYfAwNhqqFgMycjyGIkMLQSv8B.mZAKblHj_LIhMb71kiq1Z8MgDa5qCa0iyv3oMBV_URsOmkLBCPN0erIGRl7.IEbeM0VoqxuJiu4Y.OK4cTj7kVCCK7_T9ZvAuVqXs43jtNtG.X0hnleOTNDDNJ7SICccp_APrtikEN2xMOlmW.Q4_MmyI9I0q6xKKSeI7uV8iXmRNr0YRIR6rH6JWe9.fQwg7xlx38cWzcKiRs5YgndxtiFuGSxVpRZNDEDWBxj154MR.PZxEh68.qRTPdnTWd69Q42p1vzqAfnvEfIkNRDRCWcFOndKMP9dgqdz_3Kxfy2DBBXlxNzs7Eh4fhylOVKO7PzlJR5pyHnuwfIOo0vCChII72bJ6UpMpKz4tk69ITsk1xPYvdSfzvXqpwFocuP4E7X91va7VL8I5Yd44Zok0Nu.VIyLmFgthoQO3mGurQjZxvd25iS3JDIeq1P9fU2I6JLRP0FRByAM.nzqbIpKwdDbjPBxGss0MkcKSY6KfLQahQtYKHqKEhI8RtECRSTPHdIfXUh_hrnJ7RYNaNWG30aThCBA0g.AgZrT.W4GFV_sPLvGIysO2z2kMcx.1twY1hfHbkwe2yc1GZKofMN6tfDVnmhed2vcUf1xYWIrUjnkFUIRT__6Lb4AodDjSxICMfAmaWBDWiwVz4NYZYnWlxev41THTsd78evElXr2tTcN.QN_8c5YWMfiEaOySspCeeehb5AlOpfeaILU5UaZtKPoZiP3l9V8XelLJTEs40JlS8fyhu6GzfmPancQYLCscOeaJLii37zpL0YlX2uq6B8YMVmT.q.JfWEW1UVHO7MjIzYgydSW3JOXgX02aB5Ts9LP.9lZYqvEPtEuKyEjad7sJxMaRXIFiN6HavwXpYu6oT_NPsi9kPeivCTLAFHNQi2Ra1bywYgGtPSUNdv5jNc03RYTTO3Xc27fVsqfi7jQwJZC",mdrd: "_UNT45MuJMWyS6MwO5hr7Wr.rYArRuJ21e0juXaEbMk-1739144401-1.2.1.1-73NGKMDy9J2JMaoaRKVez74_pNxX6ijHVvmlqD4KTak2Mj6Q2rtg.1NAtgmQ5Rr3i5.eo6qdE7ziLE254tlxg5fLaCi_32zfvxJFIjT1f_eU3dHv4.jZvTfhSYu5vKkVGlsliqwDroAmZoDeDWnlTvOdz2sXd7bhyK0vpz3EmWiYHXHj_Ar7XzXj0Y1PuckbBgVCnDzyfGyUW_Y5REj3DgnyXLCXwhZoWVcdgM6V2B3qpXtKQBTj95dvvVNO99Wdk0C7_QDe2hZxo53Yqghu8rgiL9UrZ38hlZfeMOl1um7h2kXVnvY_achkzsCBvJQxV0TlgvnRakmAFoICDPrQOs8CTF4Umjp4hf.egDff3VbUJlR1zc9qhO6SvS4.dBgJJOEDx62pJB7wIvIJyjk1DRALF_Rhpeg7sAygt0O8t_gCBuMEv9_7NfWog313Y_BQytd0vG5YXqumAEsGpFK8vmwxlNVhYkFVDHJEC1IPabPGt9jWuS29nMefUJ9thB5BlKvN33pzDdH3SW1qraC6QWHuQqK5rGwGemkh23MQoMRYU0oeswF.uuSVcBbJu4rSQeaqp_1I_k4wle4FkEAgUgRLFGpctyCiDBVHywNcztaSeW1vrTxC3EzJLTZJYp9ESrMriCWDvPOv.2H8FozWcHd_1c7qOjQIdzOp4pl3xpSNcuINfoHkKJj6vJUXpHgU7KzIN5s_o9tupdbv8PO8fJJs9dKJAu.2Ix_YiihGUTDIQVJImkfR7e.TFr0qwXbsTbFW1xPpQd9RyNuSH8aKQUr8IGjXWTepBqnmXi.9JgH6ehILXpagIKHrggkVZcyBqXMX.GNZtjcMQn0W9qZkQj_N77w8B_MCCX0f40YVm4IddzczGfmsg5g1BxksT_vsJJgIBN7k4gwsKJayWrQT9kok61M_jD.F_ispTGm0p7w.S8rXk3GsG6OfC6SEpWX5dRCcZhMWJzQN7y1Rigm0i0T4mqu1NYEXCZyPMUugqfqzip2XF6MdQSRKVYd6JlogyUetWLtT4EtjlYye69h7wTASYQGBmeH_6M_L6FAy3ctj2s2cLBlJ9YXTa4xbfrTnenES9lrfQ_QctCleth05WOPi0fxR4ckkcGNlgJkoiPlwOckqtDsZoI3XkK2yuK5GL779MRZofqffPtO_WRS_H.AZTfkGRCIhpQAxgiDuCEZymmGGXnmVq5nd0C7K2EiNQJF7BKxBapwTUWh_Lh2j1ZEP3wf1mfpkZdPcOi9QNo.WkZpdU9PnbWzSYO_.H.bbzEgqHGG7YcVYF0hxAPdgdE9_pDpYoGchS0GykcDwsAxM3xis.fwUeQJM2RKL0m8DoihdazoPeMcXANtolt0VJsBYIF5Tod0AuXJZlEPZtQbki_b1FcgosElMdCEgZxPk_ZZkX5EKu6P1hN8VfaQ7yk.v0lWWZTTPVxMfG1H88Ab65VWl1udkTnRlwf_12sHcftjz9M85aEhpQMWtw.WEQTQ_sQvkmcJCMEdpOAv_ZUKYGAQ5ECsWe34imQ7LSFfMIFcY.FMMmyk3uSaa3dIdYTz6KlUKGZ918vU80oSVvDlJUpBoM.rEe0Pe401TV0skicrZDLXXfgtqUVFEZhH8q8DBsOi7HIpZAUzaKeQ15WBCPskh5JQPwpArzWZWut.qdaYSNLLf.d3DeyzKfUxgJkJSixgqGmMAuVxGj1kqq2jRYZJR.vCU1r1iHnxIbDeFqr6BaLO11ejNTx7MCyzbheQImCAPeFARwAj.BgvTl_8isaqLDQq8VTEAEcMcs3.GfEq63vTN.WBl4v1RnSbJxA"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f7b3bdbd7907f4';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\/2605317984?__cf_chl_rt_tk=pnhTEEhkNEGH0F.wAcuscKv7Ur5aPD9iynQ4R_pxVNI-1739144401-1.0.1.1-vSf__BjZIrFrRGsK4rab4nlpqS3zehO4AF0tmEiEWIo" + 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