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-affnf836a.mit-edu.top/post/4957620381

  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,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHdpZHRoPSIzMiIgaGVpZ2h0PSIzMiIgZmlsbD0ibm9uZSI+PHBhdGggZmlsbD0iI0IyMEYwMyIgZD0iTTE2IDNhMTMgMTMgMCAxIDAgMTMgMTNBMTMuMDE1IDEzLjAxNSAwIDAgMCAxNiAzbTAgMjRhMTEgMTEgMCAxIDEgMTEtMTEgMTEuMDEgMTEuMDEgMCAwIDEtMTEgMTEiLz48cGF0aCBmaWxsPSIjQjIwRjAzIiBkPSJNMTcuMDM4IDE4LjYxNUgxNC44N0wxNC41NjMgOS41aDIuNzgzem0tMS4wODQgMS40MjdxLjY2IDAgMS4wNTcuMzg4LjQwNy4zODkuNDA3Ljk5NCAwIC41OTYtLjQwNy45ODQtLjM5Ny4zOS0xLjA1Ny4zODktLjY1IDAtMS4wNTYtLjM4OS0uMzk4LS4zODktLjM5OC0uOTg0IDAtLjU5Ny4zOTgtLjk4NS40MDYtLjM5NyAxLjA1Ni0uMzk3Ii8+PC9zdmc+);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-affnf836a.mit-edu.top",cType: 'managed',cRay: '90f8314dab5bd6d1',cH: 'KFEs0ma5XHZ6P2s3AmHNuceHcRWqzsU_1Hm38c3fwX8-1739149544-1.2.1.1-wFrDiq4.ofEWBpcWV6yTkMbh.R6G1Gg4Dx5U9vFHzpv_tJ5DKGnYSWpU2Pp9LAnL',cUPMDTk: "\/post\/4957620381?__cf_chl_tk=iYtC5gMqB4HpD03DcSS1APLApvuPXKlEbrr01v_s7uU-1739149544-1.0.1.1-pcCfG8hCkaE7nFHSSXKny4YB2JvaVpW5iEmFub3.ooE",cFPWv: 'g',cITimeS: '1739149544',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/4957620381?__cf_chl_f_tk=iYtC5gMqB4HpD03DcSS1APLApvuPXKlEbrr01v_s7uU-1739149544-1.0.1.1-pcCfG8hCkaE7nFHSSXKny4YB2JvaVpW5iEmFub3.ooE",md: "acrR_oBmSvH7gMpgiUpc3NdV9oJn5iO_6v8ZIbJ7VHE-1739149544-1.2.1.1-dw5M_p0nYp2_fxhJ1a8U25lRb.TLtehnuyG38._fzfDgOJCxNcZ97pEHABsU34HMNeIsgRQPL47zzi78hH_livUIQCec6AptB9xPEhm34SCoKEGt7aTOrU6aRvhW_Ne5D5LQhx2ty3UkUOjvYgcWTUbQfX4KO5seDcIoJn1JtzRXj4lj1HreiFYWFrw5jGz8fVCxrF6upoLUIFqFYKCyHvLuFYqdkQvYsXe4__n7xnetJgUdDq4hgSUc73gfLrp3e6Xg83LKNlQZaf_pFf8h5YoEndzp7njYUU97Znw1EquA1zwdDKZsuiccgRBlP6lYzHGwwz9xUgGUKcn0SuLUC2rmbyuEoTXXEYUcpLeQVmEkp_IfgD_XYpWseo5_a3a5ynXokJkpIF5nrc3oJ_nIYm13ZxhZYUnHyD5riIFF2Sbq4UnHuvHlE6AbIlzK7uRv3cHGXovG9Qt3SaZM2dU84JQK9SxF8Jrz.ZMSYs8Zy8Dhc.fznEaZaYW6YK77f.rgVc_._AupItvOA_1zIGPUebgBQ74BcV_Dg_EPqFMblhSK4i.yWJTxoHSxgTUcrnULTOrz.5UNRCXobsPCUe6G5xKVF0eGi2eUQvcFXK6dJvSSz1QT2XSNRNDf5qK_fr6bCUyoSkUz3SY4O3j6qg8geqILD0X1gvFro2pZg0y3g8sDzv.MPKTxsOJCQYDOFi3BqGKdChwwL4.kRH7IBnVRhJhabLjNeDN3GN7RGjBnvawazZSUqKUlPGZF76s9z4eWmnG9LbQ8uSitQpGYDDvk6ZVWTWQpSkfHzGs89tupBwzHSZQsdm88bwkxu.ZaY1mz0v7HXrhArFvv62GsEghmJj1ZyLvWTFrhsaKK9Mr9wF0ySQBheQTyGo3Vvyc1DQN90IRFihXdrd4RoSnprvPvnGqHRIAaz9bIN9v8c6Y_z3Ik_jAx4wTQM0Fu8Oxdb0l86o2FdRMF4mANQ4fKtdEO1jKmXXlOejvq9V28__0rxths4m6xoifQv.JE1mCsjfUFraTJfC0HybLzBm4ULarkpyod7hpJodiKPPCXxIWJ29gQ1G7ZSXQ9r1ShHTkvC7Zci4KFYW_ONP28HaNdTcbpdvLy7K2cJCAXJGB6fD9rKMgoijo5X4oedeIVxm6RcHcVpUIcjrXG.NE..2jz.9A8IQUbl884NB_AHSjbX8yHLNAUicggrOfi1vplpQ23qXwirNUhi4g5FdG6pWwN2PlkNgzUgfIf2OIjlkiUfDBgzOm4H5CGwbmpGZdg1LpMJgnJtvb1Lyx0EA8XnZH17QSROQO5tR9qLivi2G_BlO5VH4UXtD_KEhG2h.DBp6RuCu6Zlsdp9UhtNt2XW6saqfhoybOQWXSzf2wYWSfBSB9_L.q6cDwytC_quNEOD0XjCotNnp.4_cQf2ywhHF7mtsi5dQ_kNz9l2TN5Vo2Ij5DptUxUwArD47Ke.NxRK6FH9i_u_nCasQ4mzYFiD7uF1eLq3hROEYEH_bpTBIWm6KfDO___gueNv2duixTv2WUOmdNnW7EykDOEBS1je.mSB1PJBuq6iKn0nOiAJyaFhVc10hEfWaHDvVi87oB_2ntwRuhUGr5fyJv89cX7AHyHSgjflUck_CUKB6VuVPvurc3v7PF8vKNiHJCeaBrc4PtwgaUmDB.hDXILxEURMMvUmnHBJCBfwctDQRFGANIEr7q5lJYwEZ_uPD4BAL3AkYdJ1O.ICP1exNkEdVz0HchKx1QlM.cCLE126uQHja3UKg947HGdJT1Felr0hBmZZ9bglPsKthFUXJcCHrCEikRb83sBUtro70BNkR2gTg9NL9.b0cJ1A3ZGK1O_bfKfdrJcRAiLxiwEuyHmUEcO5oE5XuKStyyiVg24HePPj.jy_FBZ7MMApru6uFInsSJaRoH1XZECPCfm3LUFfnwKsevVN5Fy.z8pDeBVwbO9O4PEiWGhRG9bJ_0hO64UWvF4.QNi4p421SH4e_3RkAXasxCHF7IafK2SKdS6RfiLr8EaI6hhUo0QvjWSi22cp31BjD5dwP.VsGEqH_1SL8S4UaJw53G361FHneEAaGkaqiSOrxyL4KWLLp8j.gAJAlMODQhQX6iCqakCBsUIyej9DKP9jh2Q0IPcuzkqd53Kx2UDLG5Bkica.N.moB917RRxhqbYZzJGk1qXonYJjgrzYH2NvkXdiG2VjKNS5HWkVWksyvVSTBQJSz.0wUeNiFIVKa0ojGEd",mdrd: "DHKMkUEYGu7tyI6tFuJms5Y14tG8b1W37EjBzTXcQHk-1739149544-1.2.1.1-tFrd1.kzp_Ov9BZjS_o2BMkMqbHRrJZAV.iEs7a7IZc87ADk8MUCQROCNSMqOAJs4WZw4Dgtp5pHiQJBDFZlkn8GHpCIS1RTdymB0iZ4edRsEXpHj1gS0KUxRWPtI7dot33DY2ON5x8nRt8qop_9gMgJmjAVOcUBRVOrbKbNff_.wBB6Dlaj5jFIEtlI0t9.3R8xLtMw_zbmNRzIFeEZku3UUDWcAEn.iLnAf4vgxMEmPJaijpFN8Y8xoYlTjDWmkHsqUjCBCcSfpS3Hg2o6I_HKFWW2iCNLtQk93NGh8dfsTJRTWzkEblJbLZ776izab9atA3xRJ_ilAFWp05xlajAfrQqEeNaesQ3KK02FpbuD0VvTbfjZW2HEcr7KnHHZU_SLSUl6kK9FCVUGCl5uft9wtD.wIm6LeUCKWRu_K4L1QxO7nKxIEzox1FfSn.KXfGul4yOdkLfxrDbgjGmin4Tw1r1yFjWIYXBS7m42PRYkgPqAy03jXuZuE3uZ05ggJTB8Xxn5L4o2l7MFmV30wZyFEPWkFoOkC8O1xaIFPo9y8huPlcCFiX99goho8R1CvnRhcmuu_yG0BgiiiiWZSmWClPsOKha8EQ7_ol4Texmm0BH5e4pb9bQlbESdX6G5grvuL0RAAwD.HAW4tt6oeCLrap8EH_OLTpEs9LiaEO6YndaRp_zG.hISHpMxjgs4ZNxMac_HE6L5S4fHABtUcYxfwp1xSVmi4FR43D0POh4hnqnMHiPbz_yJ4kFv8IKAh3bMwIYVuVv1Nj4B1Ses2G8DnsrnbrhzdVVTdzyNOQyvPAEXKrSV2ZeigRRUgx4MTLPqW6pKSVUqXIwUD.uBxTVs8gqTnOk_mVbVg0UtYuUh0FkysKAY4pn6SPFa7OD78tOXrXnwT0YhcJozRJNMbGWYOMGcJZrxPXKsnv84AZObnrQa95x4GiakMNG78nI9SKyS.YNPVXUIrSlz.M0KPeOBvG1klzNtCtNgV59kI5lVThfhwoYZq2qsMi7yj.ay8SfnJ76xJX9SpEMfUMeEh_jogxi3bnC0.FkMfZFYKKhx2aFr6ALDn34Do6CWaV4Pu0gRcytXaGqrpSsdDbgTlV3kTju3n5Abihov2gMPNHuRDhsgVYINkyIKmmT4IC8.Ri_0q3ljmHTWj.6nTMZ57HzzOFZKXs9KEYatv7v0L7LWjqbXSyXP4wWEwz9rqfX6Lfg.HtxAJ4V4gMDsX_gXZ7ma05jWRgqn67WJjEoAVzLSGQBp_AjnkLwoOXhQ7zjCIv36TSf9nE1u7Fyvmk7Ghbxuauys14wr8fmRjNl7ElH.BdGisJBPQ99HQPTcNBj204WMbmGsF9mRw.Ln_yTkxvH5nfUtOrooqohlee.bBjURKaID8bRm7yCCsDXQ5NccvZOmPsW6fqhXRwQVQ8OA81R0_2Bd9XpIJ1NXGVKeTEFA4biA1_.sOZWVEIL.QlGq5Vclhxju6..rwDkoinQ2eqItd.ROk9V1hjjwE2XEQpFnlHbwoKZGGSflKIsEXBQOJjIgSZkx1LdZeFDqs7SB.oD9Ys.UmqFD4xaCL3m292lkFIyHm21KVz_3dkpSThT.6OVjjPkVXwV9ABzBbyu1U_Goz7TxHaEO9qE133w.Z2LA2p_IXntc_n2hQFD12gaGDWvuWhuUrMTuCNHpJ9e13QmkxEFk3gvd0OsmPwx5BSlaQ.DyOmhv8iMhVvJKaJh6aaT_nWVzAsb8NtMvRBKMXChF67HWIFF6aD3sfei.FMfNhBDYlR1nBB4F_fb4rCnobZWAtOrfgqxypyW9IkviIg"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f8314dab5bd6d1';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\/4957620381?__cf_chl_rt_tk=iYtC5gMqB4HpD03DcSS1APLApvuPXKlEbrr01v_s7uU-1739149544-1.0.1.1-pcCfG8hCkaE7nFHSSXKny4YB2JvaVpW5iEmFub3.ooE" + 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