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-658223415343.mit-edu.top/post/0678139542

  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-658223415343.mit-edu.top",cType: 'managed',cRay: '9110d4383fd205a5',cH: '1VLqBG42.k_NAABonjmk2YRaqzY8hIZ.vEnuZ0._byY-1739407875-1.2.1.1-u1LBIUJRD1W5GedZu33hhbH4jIi_lb6.Tyx.S8JnhTm6Ls20VqGqpCE_DQJf.dFK',cUPMDTk: "\/post\/0678139542?__cf_chl_tk=G29SSQAkn7pSwl6.Tkr7g.WE.xBTKutyu8OvEYeXcVo-1739407875-1.0.1.1-TY4OgGRJ9gb_3gYmgNhw0l3M3_OvLxazXXCVoY.T1kg",cFPWv: 'b',cITimeS: '1739407875',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/0678139542?__cf_chl_f_tk=G29SSQAkn7pSwl6.Tkr7g.WE.xBTKutyu8OvEYeXcVo-1739407875-1.0.1.1-TY4OgGRJ9gb_3gYmgNhw0l3M3_OvLxazXXCVoY.T1kg",md: "to_CJdbrssgGYb_dGzRubdWGuKKykSYNeMXReQEdK5w-1739407875-1.2.1.1-JV2quNlYPIsFdkxH184Nekz5WjiQlrUjRbADfGIUz6CSK84Ts_XrtdkRCSjEX4QRS9vVwUV92kogdfP3xTDmre_lWpZM7.umhE.RbyqbIogUTB4xsnBYdqGmnw593Bb8dEUAOsXJZxxShUX7OcsZU6Ab2qJ7h4tSo2Ey7jwVdn_TksEjZ7eHkQ5E7MPHIAgXyS.a4y0sCOqUKB38A1xUPcdtp5Mplk0aBTg4cA3nK6xf3n0hmR0nlYnxsk_yZER5jRilpRkMeh06aWI.bJvCSMUnQ_itUGBdZsJtU_x5IAkdz3.krbV3bYTNy5V0Y4YdyB4yngs3DbSb4lBa7Ij9sNEodO23BFcir55srDmFxiT4KSiz6gvQ3v8pCt.76lefnWeSc2CeTDAJZnzbao4y6pI.z8mSSBBISVU2LaOhbR0n3KGAuWYtG5zFGQZ6xD1mAoP7ocH0nRjCiTD4NBnN2zpmVDm8oCFVkiuZIgGJP6GLSqZuud7iGOigu84s4k9w2_ZrV4hQdrPiduoNVWzE.W3gB50yZTBxJNMohIvDyQcAByQHECZ1YRjGN9q3YYK9HvRB6_X9NtEu8C0j0.GYq_ljL6U.yLJrcQxM5lAlnkfwI3GkqUAkxKZbHuK7Ivnypj_fWkEHq8epIStZGWrNBTxWHKkLYvUg9p7igWAL9ueTkPs3JZ9rw.3dItUXNuoT9evAxX2K.iJVQqPkAHiOEvAinZtOKK28Yg1go1fKg41M.tAkh_cHy7.Eq7nMxNZbnm.PptxF0c93uIN_wsVZRTcaIAk7J40oELtnJJTvyAF8Xu040e4kM8KV7Y8.YlRb4U4Sl7fkSZOpMNztAab_IEVyJbLuHMG4BwrfcuFFsaFkLtvV.4HecUs_MJlcARrIqChpeXusf.ILm1TWBPeD_tyMx8OGvH2VQehd4Y3F5wzUswA6Wmsz9D7WxuBvDZ88Pmge7mkJCsG8MIPuLQjqhvvOaCpsskVuO6cXztC2lpw1yHtpgAJdSI5hCvMRciOcG1mnFnNrVV53XLPutM2pnYXkhG10vTRRs70ihvLpHvd4bvvk1xOtuhncxAA3aioTPzygulo5_MQoi1qmPgmTbcJwZp4mVTuiK.MkxFLJvX2E3_LQcwm9ox2CnZ7T1yEsm690vT9fAIMbO3TYDq9Fza.LHuHn2HO_eICYN2Q1.cYjTgiO7YzCu1Nt7sr0ZIKYqRAiuC7jPo7yeeijoMX.OUMYYOWcZ1rEob4Mc8ZruAKzgqc4xH_80iR_bqUk4POe7Ufbdbr3Atf3Ru4Bg_iGpneX4ij.JbvbIUVh5KwBBor9.Eqh37XOvcnwA8nWQMCK6CKj_.UPFpiUnGi9NEZqSKuwLssRo0riRcKwmCwfw8AUaODBfYwbcJt.DQ68TTHyyzKQfY3TKcTyMvZqvF3eriTFqhlkL1smTVGmIGKQkc2tz2rLlfrVxn4SxlY9lBfJ8MwjB_HwSj074w6h9HZ0lNLFNi8WQeLFlOFk9jt2AfS782z_Q7ES2zNGNPXxsMkpMpoKrLavI_vo.I8p411gMxHk3Xdgq4YN0FJIi4rLXLss.ociAoOftfrLC3Rwi_V3xyV1YTg1hm5xIjlFrrUD_0srA0mqsno.7kGnp4.wVdEWYmI1DughXLlHA0J522_OB4xgpBfoN4zJtg51lJGhz08FdmKcn0v2IUNPcchrYu7Iz2AJsv8ZnQl2CDllQeHgBA4HEEthosiTQ9iK7gRDSa4yk2vPEGWkmDLkL7ltO8xx74wNJ5J2SmUfOcu2k2tA5OmSpnAJ.oakleC9UmMqtxH6INDzTxqeRibrttZJxPJoF9VZjPDWdwK7fE88aJJn.FwulVAWCrMGjlhV4u6tVH4Aaj6IwGeLO_3M2uInPTXOh_VUHXvouHOM.XPICoAAs06kFcMSKRH3JsO6p4ijnE7_NHaZOqWa6.J6.qIHJCrYVnGueOk1nXHmXla3.RjYCGRDMWulPpXgx7YE7tHC2rKlr.Z8KmaB5vK32EFVSKAuxCUbfi6ZmxcLpA916NlH4M3PTkIY8AJ8l_ISb9aoQRAb7tP.Z3Osu2CWvKTOhsbL2qrJCz2EXOIRp9Iuivy_RYCwRiAfqaWYkf._KD34HosXSV9JDU8_rmOgF4R0Uen5k_6dCWoOzirqnWD6RSH2pxclNQ_CGD.Po_1IE9EikrLHyO7bd2dEkwIzpKXPugeSU9qmu04lIq14bUfOauEi",mdrd: "zofBGVYvwozCsQ97Q3IO7xu8NClwYtvepXtMKX.52Yw-1739407875-1.2.1.1-kRawnuIbjKIkb6xwQ7D6Xxn.YTgNnmVxo2EigYQHa1t5NLnNcf5nBNlyc.nCpWRKR4E0TF4IOukEWN8RHsszXHUuMN6Tn76CxK_a_uOOKV6VfF9rErmSruCCRWDmt0ud0K7majgZny3u3b9U.IjTtpaoyRaY1IBhAAIEpL203hFDtZ2aNvzXcsYt_oX3.MZ1hTsnkXF1QLLrMbfnPXYWtVG.y3ixTmldgTo1WUx2oa.E5HShxUGxssohxm_Dnn6qVR6kviAnlsGsgt0g1Y7QX7Jt76yvJUX9S12YdvQzBptoyg6dGPzWP6lkiS.QLgni6Kt6.FM40XbFzsn2Zi4ZtNWF6Mxcc4SJHYLQZAMjYEqpkDKymNQsqZN1EpAjRe7TRdsKYQlsVpCD_LsXZdC_UVP7eWVe4GGMa_cMnAsTZSptO3KsHOPpn7KyCqe.q.02F27H6o7mvwlxHCyegWB9P7ubiHkvqS2ZdOLuxwBPRLK2JKp42ncrVXgygR_y1hTFY_aXXUkeP1jTZvRBD3ka7ukZ2wJTJzyjFgRJauFxdx1CGniQNR2ANwWDD6rVj_iNVikLgJcIfHVUH0DC0IVOk1Kuo876MKuuSrEDX_MrYo2J3WbtWwrpJbMAackgq7T5XJIo4g1RJJ71JIIf.HsAW7SuzQcnSUSV0cMEy4tEl60HpDwiUXVR9fZ3ntvlp4Th7whEXPdqc_geFnnx._GEncwnt2mGbiSQ_TCVl1hhfDMbKY76zeb7s75iBsLEpryxm3LeWTvrU9un_0uiB90MA1o55LSnQBCz4gQJtmsJ71e3Gowsc9ssUyNGvcf5T_s1_616d_Iut92uQeOVAULEmW5aX83K_YyUzyWUcBF49tKjCQSm2g6owKkD6fYoaHeIGdDUMSk7KojwlbXx.vx0jZHjm81t8ii6l2HlhtX0kD7OKgMR_5YTPbx9O219hN5Ra3YPXdo30A8bI6vqzdMJTUsnFiN.HceymAiMoqGMQOyKHfRaAFhGTp50aOTRCJYqfxnZDs2i4_XlSgT.woPy2pX8tOiS_wmegZbwVTf09P5xov_aWtPIWHKbCAmS9FruwtLcWoHCEauyV7ZpwPU1S58SCjGdY8rFFGVbioden64dcq5ORapxRd.BwblLJv8mrfmd0EEBi1Ql.gOKAxpE98OjUQEOVow2htL9Ru5iF3XeKxLcZ7D_HJPCLk4xTi0FDe8RKXBGuI_jhmd_fyDonf1DlJ1X77q1U9Y0v6waq4my.oIXoGlz6yQIefU7btqsOdy9.aCBHZhMxdYOu.m.F3UmCz9Es5fbZTEqwOo_JtzFKPM2wZgs7acuWtfXHKOz6AApAFDbXPfDsHRsQjTKYONlTGS4ouAuc74c_di83Av8n7g9IbtAwiCWFIF4bX_ba7miag2uVmqAxmFLdsTEvDxQzB60asOzubKMyzCt0nc9Lv62Fq6MiFC8qtIaRYRKkLpNzW_jgfrraZYdyLhQNreSsLgevI0aaBgbNMfJf8JbKFt4Ne8z2ui6tM7YWB8TbQv8blBGnfUdY0sIbgWyT4H6.oYWVmOdVmpTG85dIZk1I8lJ47AQcXmI32qa6kniO3tDPgxga1oLaZRjJFS1_lxUqKf41AsZFttly8yncE8YGu9pZpJTk8hpU8tNgWGG.Vz0JuZkRiN1Uefvml9_3ujnBdmMOEakFy58MDJw9icw2.RWw7DyHVnqmJL4Q185mFOlSUBoqWqJ3Mz8i6IecluC_Aln1cPQVhTGlgyyUfvl_B71g149KWdjjmVyirtT7.IL60e.aifBXx9QPid4AZEDorVaD6VNGROTLNDyVz4"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=9110d4383fd205a5';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\/0678139542?__cf_chl_rt_tk=G29SSQAkn7pSwl6.Tkr7g.WE.xBTKutyu8OvEYeXcVo-1739407875-1.0.1.1-TY4OgGRJ9gb_3gYmgNhw0l3M3_OvLxazXXCVoY.T1kg" + 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