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-891324002047.mit-edu.top/post/1609584237

  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-891324002047.mit-edu.top",cType: 'managed',cRay: '90f5edc4baead6c4',cH: 'MncTtGmS.mOytqNW7uaTisEBQt3n1Wh3FCOXChMLUVI-1739125806-1.2.1.1-YsgVpeXOKEOJIBiYlNMojOpwiwW5p8VpvfUob3Ln4i01oT0ADwLpYL93UCI2upq3',cUPMDTk: "\/post\/1609584237?__cf_chl_tk=y3BpZawdaF7RRafp1owdaSIyR6MR_ThH2AU_8sBjpzk-1739125806-1.0.1.1-xNCO95XAjHNsK8Pa.foZG5eaH1rnTDhht4sy56knHKg",cFPWv: 'g',cITimeS: '1739125806',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/1609584237?__cf_chl_f_tk=y3BpZawdaF7RRafp1owdaSIyR6MR_ThH2AU_8sBjpzk-1739125806-1.0.1.1-xNCO95XAjHNsK8Pa.foZG5eaH1rnTDhht4sy56knHKg",md: "iK7LIHvTGPgdp7h1.j4FVA6Qks1C9e6oHPgZ4QwW5ro-1739125806-1.2.1.1-1Mvgk2KUedQreU.yaIHXxJbdtfWlpTao0UPcx39Ect8jHe5n.ia2nenPCJpYELb7yBGPtbd8GFPlpQbTyeOJCkVEG5Jd98MRBAFVhe4wxYq1dEeb0Z.nAXDMaEJbLbf9Oem_NBOK1d9g_ybchP0uof76kisd2oEeh894vQkeCtmEv1yuUsc0BepknqIqgn8fkK1__4QeGAKGYVSw8IovL612_EITtGsFIgvaz1XuznnFWgPrbECo87LC5IoToUiIoFaoCsBmOFn6ioDsX0CnchI_RcTzzJ_aDtw0.480Pe8RrN60Pa3kTAkk68W5LZhLfPpaKWJLrUBiHIwEcaFwLBX11uldKWYDwsSZT4gj0_fZhSKNnhXCt50swrnUYUh8EJkT2ZQBO01_oBg6ztyDCHG4gAUryejN29IHEd.qE7Ox3fACGUtQsum4LpAT5IyT4cUYuzOHHexG2fs_.paD6zxymeusUDkDa5rAEpXIezB_Nw6AKdmS05pTdNxMiCbDBzGHnYY4fSzp.Yavo2T946f7BKGHSe5bfkJjJimDzDcUjvjllsNilT26U7ZgnwOMOTVa6wjMDwF66OA8ovOoRMl7BTT4Ir0ZmW_Pg.vt7HadBR_e0KosH9nuGKyXUmZgXuBUd5aotGg0VYCVvCsZA1YCQEsDx772JqQyGIL8kntup60RszfnQrTAKbvXqk40nTU9LX950EyLYC1fl1qt0iAmeewPiqvkc8ERvq3yD89lINIuACGUQ8HjS0azNQbN1.uUeZvLqf1Kd86cMyQ7E3GQySg7mQFMZ70PxZCAtBHmjLND8nBJ63syIxrc7Wc95snwDzaa7N2H3psqJ7sv3RMPSTYRd_hqpnJyw8a7jCMQDpf3FPtvv3L_k7b0xjxpA9RnQKbUYkhtYlHya3VRzi7XZaM9pGyCMaptk9F1Azii9HbBlWTsTjPX_.g5.oIM0rTqZg6GfUmkYGT5_Nn6W_vIo6ncuntwykV7uQvFjUFrc9BiG.JlgUZxWo.Dg.1FVZ.lQeRAxk4Dnf_NSSMdld1CaKE3bxsV4hb7SkSi5urkAGVq6O0rHjRJPAUmNowIMaforo9jldsyczanb2mSJuxK.9rhoHIJRy5lIL0haOk28HsS71_gmAtmra0ARa839tzSWQw80wM5EqWCf26zb81y.uDspcMCvWpKFnW4i8_6SC3Nu80Jd0nmWBmDP5FFlT5dgzeEP_nAgJOH1cuIcIbKkUHybLBRC7z3Ekv5ZBEx1uXIHFvNsjoOs_Zw.FQkHCRgkFlt3zzzeaAINRuvXrzu9yuJyWtB9XhLeZmMMM.HBirD.HzDZYYbm3BOHlXjgNDgJmd2Bsea479qlHpX95ImwsQwEz_HGmFqOtshQulpTo.UAdzsetPGKjkJwMvThrLC5218YlPUadFILl0Bbf4VbJPq.eM2rMNOblnZNq.qhaWRj_1v.MslHb7ZuuG2f9oBkY4NLssJ_tbfx1tUpOCDffDKYgmipIGuNnWLYFK0tOGVglBrCQkqaoE6pXssy48bvdrbFbMzftM2BreN51RPapVvbV7JBjXvZoCW1oxubK5SZUp7ENsLLe3_j_JyLleULwiY8sWN5IvdgyS1LDFRQgo4QM70Ftkw9skRITTGHUDxhPR81dZmpzhZr4fSVyMnllv543XiA4msIMCYvXF48eTStYAeyJGfzDvBpkoPY5G4.qX6sb9T_fKj86b0jPqadJB14RyARF1xTfD7X90cPKCIMv4SzbPzrJVNVRwH9AwptZ8B4WawSCCt0YHSxPvMVByHi6HdJcHAzADmI_KJS_guBK96rj_9fisyxaG_qaq_XFWCUjn6nxcvvTF6DcnuqPkdGP7_2ntfcyLdhBV7RvWmhSjicJcZFgNhrb8MPpDeHWqlvbYG_b1PNvhD3va..6PUqeFSn39fBxxrRMkhmLFOuJ3894X9eNXlaq5Sd7uWU9_dQJYti.beZN.IhFEbJr9fzb97RZr4wXEpgepVzQndlOKev1LTTveYLCBGdGZf6qpJB9j7uSJp5O5VktYHKXdrKxuq3TYJQVHaqIFXcpMUCUFJKFJ1Vz3bo5gaXPpa4tJ2trXT71BH8IL.UFYx_ThmG7qXtLWXXsmWBmVUu0b3asdjFO2yhQm.j1oHbUZeRytvcQz58BczLWxdaqSIT6QCDh.uc07PkiWZ18GfOksb7VaG4_0z.OCtTzB9D7TO57VUUsft_wihq.FF",mdrd: "uuXvmFuQZyCKtnrdITr31GeYqq04kSFIbPQjk3JzGJU-1739125806-1.2.1.1-Z5JaQBdW4ALbLFohyp0_OQb_Q4iR1H8x2fEY6xkJqT7oR_yN3FgeZDM66EAwgaI0xu8GXRe1tbddmQx_RE3jJ_wLz1gQ2ZCSyKWmx3p9Gn_uSpfVaNwGbKRP6ZPkG3da0pojSFpgZYO5BTDWUTXksMTLFo4AnSTYKv1KidlGwpqrCLdOt1revRKX4LEnCZmHb9lRZfuKj5kJM1S8AWvBRheJBk6AVKgsyqk_SjF0oVV2H37gaLQ43eDkLNagyW.xLBLqjEPlGyNFqiYqQKYe20OFCJfYPurTfDbbwuEYehw8FMzPk0Pcdt31GCkRfqMAl3dreCsHU56iO3ilMpTSOKzFt09mIJRp160bNpoKsMadSs9swUILvV6xSLo6d1os.U8UEGeTFoRRDFsj80tlSOkUIAfdHFJ4kb9.cCKVkf37eOWDWzkXOToP756jXIhRXVOsMijJC0Np0bNuw0Hi_qY2srlUCa8WyeADMv87vVe6Al9jBRdEcVDehXg2JiiTIS78Dm51incw9_k7kmsNRPtF1RXhSBG_u5Rwt..1EYv26lYpDFWJ4omCh4rEbm8OgDuZlStQHQAVB7Ax87uwO3D70w7Jn7.iA6NDUE.JsV_NXtewNvCZYBLU9De9mPG83hEzbg9TAQOtyYXhhWew40KfLvngLzzWqWjdhxeQAfDaYHyOvyNUeQqbKYM4GOZrdsMsxaqsEciuAq21Xf._NRkZECB00Uyw0S_o7VfEnhZbizL.EkrEtDNxgnW_RTsc7dorgsLmyi.KDvN1noKc.MXqQOTDB6LpDs3igdZ7vkE2XFKgstqPCdgnBFLHManWnTNBB2nlFemzq9.tGvf_KpRKM6g9U4P.v31ShpWzSUNmyzD45YJ.hzmJ9zSE7v4LS2Ym5z3PAIelwwSUyxEvmmJBEap3J8HEYTMnOheZIQ.1z8lmARBmGDnIzqksuhD1Ux4VhrPR55W1bA3SzmW_RUz6KCh7UjZFY4DoYUNFMEcqPMfRnulETboTUX67Dh8TG0Axe8xYE7js2BHRmKmZAjeRy0R7UtHu.Uufa2mA3RoOLdHDRycVaBqKaaNtenkrJ9pHlZd8zUsKvolK0jINNeTw4_KIatkLc2zt4h9ZDUfUtOvl2dhffRjA9qaDXebGFaxo2_8A4J4Zgqa_NbqNquhsVK.LjaOnh1YzW1kd3.jXS5Q3t5vRdlPBTvL8A61e1iDq5iw3RCpgvkCL.4q.rRmHyA6QDvv0IMCVrR.kn9.JnnvCQiVIF7l3oIG2ATdta8yQSpsLl6xFoajOldODzuG_VhIsdoHTfn8z7O7dj7k3OGNwLq6gNLWYhhc0uRZOPjpHxLT2F9fkCa6LqfkLPCGLubeKL1uEfL.YKfuy.JgUmODuvVeJ98I3_1bFBwul_vGu.fLbqkgEtPesqNN2OHo8TDM2pYFd4UsNR.uhNipErgYrEOfydNcpLk3xFDj6mQjx5HLSfRm1yZ03PH_5ynaPIK9YZDUhLwsNkfv1x.o7f3hTsiSYvfoU967lgc2UHnVqvKqwhSa52M0Zm2Q5qtC.rqvkfQ8.EVmu0eZqCs29Hfj6ITBRB0BW5jDxgDzyubsY3SKznhlhZRiZ6GkIsWH6gTjGq91L8Sg0wMcsfaaM7vRJgsinNR5IF.oB6fIxAbay16VtNRlHb0RdN86aIvA9dj65XUp1MlH327WhmWOu5PpBScME3mCYjOMfw2QTz4PIr2RfAwvv0POU_LgtmSrPZD2QWkBZB3LSAYtPe1VhPr0cBSF1nu_67m49B7lH3gkr.KznXrXAsYgpvN5B2Q"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f5edc4baead6c4';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\/1609584237?__cf_chl_rt_tk=y3BpZawdaF7RRafp1owdaSIyR6MR_ThH2AU_8sBjpzk-1739125806-1.0.1.1-xNCO95XAjHNsK8Pa.foZG5eaH1rnTDhht4sy56knHKg" + 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