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-739992260569.mit-edu.top/post/4356071289

  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-739992260569.mit-edu.top",cType: 'managed',cRay: '90f867c06d012064',cH: 'sPs7dLnMryPXw0dXWn7obMCoqfD5DXrkSqsBHuXxInc-1739151774-1.2.1.1-V8B..uCx73ZGJjL5BudBEvpORBiVH57dDwhKn3g2qx3aG.PMu3wsXb8aJeD5ARke',cUPMDTk: "\/post\/4356071289?__cf_chl_tk=9O6mocwgeAeW0x1L.Iyap1zsKg4S6Sis2Z1tEB2RGk0-1739151774-1.0.1.1-5uN0NzQagDQ0SmLQyGyIbzfgSHd9PI5AVVKcORe.GNo",cFPWv: 'g',cITimeS: '1739151774',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/4356071289?__cf_chl_f_tk=9O6mocwgeAeW0x1L.Iyap1zsKg4S6Sis2Z1tEB2RGk0-1739151774-1.0.1.1-5uN0NzQagDQ0SmLQyGyIbzfgSHd9PI5AVVKcORe.GNo",md: "upduGx1RJ0W6YA19M2NJxOlfw.K3Pb8eovQgp1691OY-1739151774-1.2.1.1-Ql1Hmfs3tswXkVLghqdqIKZ9CH_iucl6hbBjTjiDKYXOWFs_Kn2tkdZeCL3anOiLK52ZXdi30KVXqteowWKkjsfEybHh7F.zG4xTtoGrs9igK1DlzcH273i7PqCHB6rBMzu7QZC79ry9jtUL_x_SA0809UZpfYtHruzk4f14dVcQigKz1wOYpiIjviKlAa61QlCklFkiP6Vn6ZtNhMrSlG6dHzJv_1WRJr.FurewnzhGimQ.ALgcLiYS3pl9XtShC9bmVEN9eC93yrI9VxIl0sGnfhAVsAIsqfp_Y37.fEnq4KpdkQ1w76RLlRq9u9MB2fWH9sLK9Jvqv_C35IgaXrI18IqQZUVqCWgVrnetYwE1ZrrluZ97nvUZ_hOm8JaBF45a.7ekvGzz1iADZALp2LgyE84INKlC_.z_J30ArivlGI_gd5byGNG6zDPxIMV3paX8O_yK3AXpn1ZZlA5PfeAYK8cmoSP2VpvdVU3iW87LN8RJ3QynMTl63egMySLZgxOdNgeo18tD5nJxNV0nXyROuJoC8lLU3uRchPFdGZc.Ir7V8epbBTCRnruP29jxYPD6JwADLIYMinv1IVfPA.xHwJNCKKUzkunIB_RC30908mvbtRNR1EsBZX5HAAnqnrKOxua4Tri9Yr5yVLkbzpY3NtNwOeMoGB0FvoY5udloeuwXSWQ7w4NnInL4g2dRjYhrP4xhDq84tL5MtcvBVoBtMj8etp1TI4dlQ8fdu8D1boaX1SIjpZOa6FQmAi6pNWmxuzCsBaNG58JZgT6jbM13iFfnqFWF.ehMYDThuJtdLbKNB_G6V65wY7HOfPJSy7Fy8xfQoMAJALCNbEtiwY7c_15RWU9Zv_18pa5DmSWa2HKeuOwsVT2hEwRTyuJN0ZU9hrLupscC5aVYFXPoExrESIIc3luF1YfkZXyGwPanXwrvxnut.fPlxWIUmfkaCekeZKBMPCPICF.NFUIOu8yPSe_TJKZTuPQE_.AvXyIcojYdNcZ_LA.OykP_SA.0lg54NAyyLvEnLKQhiqf.Ov3YBcpLmRFid3An4NVT_kKptvW6HhkdKaJNzxlGdPEfVreqag61zc3PZdgXM7NAt9jchxV2GbLeB3q6BC8LsdCgiAhs2H_19PCahFKu3zO.P8nqcZWePoDj9eXjEodRJIaCjeF.ZuCNkV18G1HadP6Ilq6DvEoti7XweJymMTQ18nUxWhcEH2MGhk_yRlh6W6OC4m3ac1dxPVy3Zurl6PGUDq0WEO.rJPAeFKNVBDvaxoVJBFKJTTywwMhKwhBrm1Eot4p562P0E7KyR5G7rTxJkHAc2_GPQUgNQ0JJWIoUEjvrifwx0Ny_5p.EmXHzHgfIaPFek.rFlN7XQ3rJfqIUf8tjhpOmgbxOmnyy8rYCHwTUcMShXzETtNBu8lJBW_kJrA8qaNrrQ9RctUjR3VR1PHfzGghpDyfBo.66ufMOxbqAENiIBjdQdLBdr8fHxtkG8uDU8DlzHbRB.Ou5.dXkw7CRhT4pJa9h5jWwBHAKnPk9pbhAMNZSMOHzKVFsjymsxDp7F6W625Kqld5Nktb2c.yvIPeJdtsclNA2jikW1PFPWETaXI2IeW.CgduzeIXF1mg7u6VxtYn.brwAaH82rad2O9_9EYRCVq61_aQ5agProTMuKTitER.wRlMNRelJYEz76le9D5Xshgi2mmb3iDvCmVRjYW6wa5W7JG3m6I5pAsXfEZ3i0ib8yuYucMOtDSSYFgd0AOLIHAxi9tlNKxJdRTEbmizxnPJWpEu9S6tF07YmJmvSNvESKIriZDwCp_zTPlE6PkzFEr0zfTf56cLKTJmcVYwVQkIo3EFGpQSFuaoLr8qeMsHdrW5ozHhrOMkcDEJsvzZiSXsVeRSdcLr1jXx5wEumJZGx8AjS6gDMKrwSXIUxn1vNwcsCfl21E6lp26eYEiqmNHmsKa3oJ7Fq2mDMvdUsdo9.GORRvPpNKc6pS6UGe_DxEoinMgNMLin3IlQn4FI.tbnxRyOpX_nxYO7qVXpF6AAa8R.0pdFxsJtIUZRcCy_Y_VKoQbYRZNQTYrM5JiJXaLNm8CPr.bPJmHnQD.Foazyj3hLWcu5wg5_SPB3zsK4JNf.phLWmcmMaPtnE.i8uMl.YnEHva7e8SUkU_xpkBbc_z61SlFlD804qaVJnwObZBjSQbhuQ1louiw1CXmd4gD_C.PXD1I2c_TR88W8_5aeHVfm_",mdrd: "A2THP6jlYEsubpTMbKOl7arKrI7kmFUrwvctj7lH6kU-1739151774-1.2.1.1-hKxA_gTyCpacTZhzpUTq2dZUtOGpZhh91Gxz8P7ybtaCiLCGi9IGGHYAN2tjkKgMYql5Em_5gmQcsyFYv_IYBb4HxIENjV.eltgc.iv71lXL8SnDfwJn.gWdl.jOWRh1hr70dMAlluTBAMKEFnPlmVrhWkdXAp3y216LJwx8UQAe7sDXh5d0tu1fcn7cPQe3NqxtvKdCHAr1qMF9UnO4BJlMQBGvfmR5yTGMUpa72s6BvObdw6Nqpdy.Fz2obz_MCg2_UwpMPqj1y2D.0cbHbn01SE73XNEU0Sfwdrv.BmlOj5kbU32DSdIsLm03LRhAMdzVxoJrDBB6nbNO6ISgZeQaPoXZrFmajmQwtgjgj2PDE3dH2y3H2B758l3h8n1Xb0ptJLKMmHv_Q4cFFoKsjlGxRyjX0LM8S0foCkUR8jUfI0o1t3qisI1Eipv1TjRZeGMR1bxjKtYkyD2X0csFFCRFgQmoxueJucmElZdqetcSuKbrPZmiO3xPGqcqVj1tKvBmMMwbTAJS0ly9WdE3O1DKTr6F6I2upr2FH791XPk_Dvy9.xfkLHhMy0G6rQSROmIwvSieY08bU.5CCPDbnUslms1l01WoKckEgyaLbPfqfuni.pSWD4n3eJtlgN72W27zTBOBvZhY7slB_KcrN4LGuWC3w8c.XZPOANKn1GiSxhDBPE7ceWxpdClJ6xC5CLUpbZVMI_H2z.xQ0XO9Bq62K2FwuJW1exe2dxVbkFzWFP_Rg39dcgAJHzJgPDGGQiHb7Khnncnj2g6DfSTiUTs.I3yJkWD11C6jYPB8oQs7gGXUcJiy.ppmSConRKzSQnsP1_7RjQ5jG.i.q4dZpg6ymt2Zi6TaU4YYCrLVjU2iry1Pn.3YV_u0zyO2t.1tfm.neYyNXr3_VOc6_i1P7z7pZaHsMwD9QQmSon87h_vThoo9jNLutglgSmKfPQFNT0pSdBhyXIjcIRuiCaAUz3fEND0hPpzO.kw5yqqU1374r89dIPKBbhFOPdyqThMuUyBrX_5ibuF_OwguYcIAaUKQNQXpL1SfL7iCXz8mdAYqtcZyHCkDOUDa9iRMg8Ffic_3r.jQbXeyRqgEuUY2N62hcFoaZPUo8mUWCspn3HFOeQ9ck4ti0srA6t._9OAf8T2qCUmsoKBiU4v4fScBFBKqeYmygHcCl1gozcHka5Jw7CB7G7y.K0sjHNUWzGKjXyiTUQucnLUYe3T1cRAFZZohxPX7Vwl4HlYyd25PfBhv0oktmqm5sWzz4QTGbOLsFjvC2Ya3V6.QIqjOrYy_gqPPXf7DPNCbvvBZxOfDBOA45OBx_LjJP7u.kiA2Fcs1Q3t186iTeEmIdMxR8lsrdhYgNp8U7u2n9FDhxPjyq3MnVXHJXbiRn9vGN0hn7HQJwaqMENnsjR7NGwMlNF_gvXrs6tsRNZwIWJAJasLgyYpaaA1A25i76Zd6zlr09D53Of0cFmWjbishZWT5cEAdtAyBOL4a1rDfuirWplI4RW3zKJXu2xAdSp0TWYbD8n591hM8CgAgeEPM.a75u0NRrB4NMDSiSZZ7LShJRpeSs5srC5TPkKng1jzEJ7ziEe8hoTkAbp6BkVjx32eR14d3HiAwcBIScsKevkmzU1AY..EdzEA6eW7liUCzgySbO1b7qOI5NJxqbH9LNc4vn3Fh5OwtzDOA1j1FJQ4Z9MCWsXYzhfVKw_SDtQ62vR6D745Yuf4hn7uK6EPT3_DVKNjd9ZXb04u5ut.9i0T_d5ZA2DZNfDh48DuiZC5m_PzdC2IXvPaHidMh4z4xw8bMWJfykoNv0PUOAzr1PwxGkXE4TRk"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f867c06d012064';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\/4356071289?__cf_chl_rt_tk=9O6mocwgeAeW0x1L.Iyap1zsKg4S6Sis2Z1tEB2RGk0-1739151774-1.0.1.1-5uN0NzQagDQ0SmLQyGyIbzfgSHd9PI5AVVKcORe.GNo" + 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