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-990548971468.mit-edu.top/post/6218547093

  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-990548971468.mit-edu.top",cType: 'managed',cRay: '90f365e38bc77fa2',cH: 'dDJaAbL.BU0LQ2itRs6tIwQE4o5VYT6QWNC66MGieTU-1739099269-1.2.1.1-fb9bKBQfD7Uv292U3rmcqVJkuflcBsh5M8gAf2a_DOdW45XOeajYXkwOCIyI4p9u',cUPMDTk: "\/post\/6218547093?__cf_chl_tk=aM3QwbOngDfHqXKynOJpZP5aY0enxFRu4paEK.qVZJ8-1739099269-1.0.1.1-qBEHCB489f9V2vuQY7CGFRvJgo_6aY1wPDHeKk_KSoI",cFPWv: 'g',cITimeS: '1739099269',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/6218547093?__cf_chl_f_tk=aM3QwbOngDfHqXKynOJpZP5aY0enxFRu4paEK.qVZJ8-1739099269-1.0.1.1-qBEHCB489f9V2vuQY7CGFRvJgo_6aY1wPDHeKk_KSoI",md: "M4aFxYVFX2vNiy8ToUrkfW2Ze2CUZZdT61b.Hpp0VCE-1739099269-1.2.1.1-Ke1nkQ1y2vQqetgez8iJ.yTR57mjB_ZubHHj6Sm2xpiK.0Bg2x8r5kqAkaKAO7PDKRK1.f0StcR4.LEAV4tamXWJdKx1FEdnSs99nuzEDN6SBdOUVmg2Pmh9ggGjDx4WgKT4gJErHL8UrIDyNen5wdby9Jq0q5zg6PmxA2f63bmaEoFZ71uzEHgdi2TP9CTBN6N3.SeH5zTvF.knfoEuOvMWWzY8yYAbCEeugFjMmMy4NfsAaxeAApUojopQUpG.VnLVTz7TMdDjZK1wvEpHiLIJf_cLbHv78B2587FGePKISDtiqyqGFIy_.foGu2M5vTDpi2Yas9v_L3xrEBcUc6lacGGv10G1gBborunq9nKcaxDMPq8755o6xUEhdSTOzZlbfADiYDp5W5Xk9Q5ywUp.EwnO_yMGzRM.29YOq1qMDkPsz.W_z60kmzPO2V5ExuswN1WtRePN5G9pWNkq0QTHuGzsfn2oTviyiS3Py0KfbLq.pAUqGuDVoSPWKMvqEN8b1HSfuXOil9QX0mlmeV8LVImH1OxMtDNGn6qoWEemirtckx5MVm5bWpVmCmS64yJyMhHGMFlvBE9VePCq3LbDNDDzuBUKdwwR7159jainhanYxTdYMXFo6VtIPyTgPZkiaVuUGL2mYcylankwkcSGunZAJVnKHtGXr19zamiWRQYU77VhgB8RZjcTR2vFZ_iiswX.KcoquF5heEXgZMybyt4n1lbzcUwX9dbFrBJcHaHwd62xKs8Lst1ZstLtsDI5QQ7RVtgl_XU9Iw3XR9cKNOT0No6YvNhxX_V3sEaHpSzz76LH43JpTlb958aVB9PpwxVd16aM7FuOhSjGPbx4jXKEsu3xApJMYQNP.PaaTcD1iENBytszvBIAcY9CMCg2drYRgFtJlkaQsnTrSZHN287xM0OGq72WtxcfLpFCHsHJf9zPER8TyjfYCVUf_s1JyE0clR.ovUTqBTBaxQ_oVHzzAHeXpYvsc4zYB6hHHUFpWzSsQRV1XHYDoIdUBS4Wiz1MLEZsOz19Bb2AN4Rti1t0i4d6Xtke98bY.GUkxRfp0o7cXF9WalaTdUFZnmWom5QXOEzdxKAkpr3m9DCyjPCcDgZBFPRKj5TrqijyBgq5n94NRq2aH8WDdnjYpQwt00Nd99bDb5Lke0YId2iCExRCbjUii0XtabAb6Xj2SqPMNPO2.onNgbD42SqUOesL.r8cSHL.RyrEJjPnFzzbQkE6MgMBsmYDqdqVPMEQqwSe7_erruJXnyPFXhZXikePQ.ZPo6QYPOFYGrnDnYq3WJ97y4ZYwUnY26Sk5lGGzdAYMTBQAwE26KMvf4ovuW2xmst1FYOrR9XW9vpLzCTIAsVmwprdFw6rYRsoxk3IxbdC3EVfv9hpcuZ5BQWahiHcuvvyfD.lwHr8_gZ4LqTjouLcMJvADS_eJAxhj7VvvKpZZVsilA2B1rR0HfLvCFmKzvdJpQjhaFD32hSHIjjGwU7LAXIv6_5itSxDlXw557D14MUvzMeQMlvPm8fuVEGROEoPTFbLDRLRmPiaUWGal9ijVrynu9EO289zI_t7Waqhgo4wqrKnNGMbN1ocfrk.rU37amznqevxS0ut6_hTxI8W59aX5qL4_zBKXAOMlcgsIDGjxR498CC0yAPu6nUKonwG2bVbEewg6vW.LtegSIypvSRSw5tMxolI6b45fL5MDAUx5x0GgCPssTfUI01fiLqaTav3mhhL240lOTK_eFT.pGzqWt8oQa0nRvQuH_gKMW445he8FuUEdWla.bOL_mJWX0Zs7_OMclCDxLVv5LP.yDw1c1bKp11vJCvFXwdjlTIJO7W6q9.b5Aq7T878YPR5oAc5.ymwNrFWiXuJ3GbGWNLgg4TMw5UHeaSHrnqqSgfnpvb.KIEWtOGMM93mTPpDDXqLI_mWZ2xIpsKjzwPigYl7dzYwXQWU8PyE5suMgWJf21oPEHwiL_RdXbBHhBNeJPz8i_l_eAFMBsfcu8omgPZIh4hOmRZDkRze9zBVce_B_J9ZA6zu8_8DBeP7oq.5sXIiICPmw1kLMsxzEzjjxAv3ist944Rx2xqcST_HJAisMaAqZAP3c7G9oprFNUWx3uIP20kww1I_ffhKe.jAAUDcqLhFNVu6WQKKBIPXOtVB1KAUKtVeniNsa9Ad0kDT2TatSpu8gvDbheX64Vj3Pz6fbBjrRgllKa0o2vxNuBoTRzA49Ut_JfhN",mdrd: "Irfc8DENpdqWRsJXnJbiEU.BskxGxJHCxvfFudXWprA-1739099269-1.2.1.1-keno7ObEPs71sQbTD9W8M16dt9VgHPxa.ghuNdxK2tObDhVXx2dQdu_6OyVhxHALoBQY_XRgewV_FQM7LdLvvQjMMoOFQx1.Zv90hTsUFaQWmmCm8XK5BdxD9aqzNHGw8E1_iZ4FAbKwixsCTtmbed_hQJWitmAKKRwSou6M_JB33d8VotYToDb11Lw0XUKZaU_1f4TWMvZR6hkWEMCbKfQ4UmzuXWAVGqf2G46zV6JABtV31q.dyPKDhLXnqaVYqkwvhUnF3CE3InuDX_0.n_CzCfgYAdWzAJJ9aRpziVolKSrtr7VRiL_50KOs2rS2A2OBjKiizcbJqfcPGo_MLGaYobYZQZnyf0C_xoe257_rh7_Rb2OZwufPPhygBPNkUo5bv3VpwWr.i_7jUQvCkgu8eDePq5XJdvVB5.WDS4m0cmVulElcgUyy5JrzfGGeX9HNQ6_LF1ItGgkpVVyT153QyUZaup8TwRsLXuy6JsY9U_szME0ilNCnBszDzkrmPhXvMMgZ0x1npTNctOSYyWPmxkeWCtNR0ueLMMVrfwTf8lTjWmQ2fntLCdLRmFgLy.6ZYAknwmuu4Y1v02jXpyhjAwzhokuETTaj8w5n.SsXi_AVdtMHYQ9K.hfPsB4CJqp6aDlFRxSdDfmaLC4AVrmR6F0FeCZaNzV2VHo7C.PXBOf5NgjaKviuiJvZTMCT3F48xebqF4tWSUulQROm2jvYzHZprw3_8y87jnhzyDpWk5F9uP0QHlbWivArGjwD5NE4Nszr4Ekbdml_kHS8ULauTmZ9_i9U5LEHS1F7FOK3F0aT1XO5ZQc4mJ_HgOCKiZbcxbrAhD..ZOtTS0.kv0DKmf1VACTm96K_aJOK1nu9P1.2wBYjpX66AvLHsvinqiKGugZIYNrged92GfDpg2RF3YuKXuetMK17OnkjN2bpZ95npNrhMFbMWSlVCJZU6jvBc54ZUNGzsF3l86ddQqxv5yagD9wVcDCBuerFdAWgq3AXvl6qtsHdWfTKEq4FKDNS_vwlVddBS9gahP0Ew46OvDUYzmVb_27aOFtepbHSwFTumZ4MaaZhUwJsQ2iv4DsyoOTQ2FPzI1Bf0OuYNfqRURDLyayi6cy5hYVpJS7.NLaB.OXAn0Q8_3fqrC6OiZAPG_zoCMphwSPSQw9oNkHhTyqPvot9Bb9no4PtSL8lgzAttuMdQJPAdsLVYuJUvGmukkeqV0RqKfV00NpQGi8Zqhjtr_P8w3bEtLdvt9YVJ7EhRemmZZ2sIf2MEgjUIrhES94S6Ga1WbqVm1_slfdXqjjI7dLiVqnlCipbWKGZFt3jioJZzc2FUInILZBQU.JZyST9OnySzxgIFgSWKEzuW7AOsI3tiEyHicFadvz8w_lJdVjlTsFXmF9BofaEbewrNGtdGmXAeTzs330o7XtEFCLznO7JvvefT_KkNh1JyiYzOd9LBeA.ztMIt5xV7_uyGo8FyHH3lMYY.0Lf3rPGXeXXUYhoQ3EPInK9ToN9skqA_cVoiooaElFqzgkhV21nJ18tTPTe6yRwSa1rZJMEZyboENziceTFnFW.qZIyM025y_q_QWjRly0lbYpGMh0z.KH5mI_lpbBmrXTc49qIcglta4hagvtxAtpTE4zOyLXDAjf20mjCjQxWHuZzThKvdyQwz6besVKwwkLmQCc4v922p6XO_rcN2hPtFb3.mlWJGSjypKR4OeBqUsaAYiXct7sTAYJzKLEfOBcw2j2jl7s_dr076c_V3dsb9pEx9iDU199.8bcS_r_iYv7tLx9DwpiUza_OH0T.DwIcMhvBQgqNsDOzYOYERwsV6DU"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f365e38bc77fa2';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\/6218547093?__cf_chl_rt_tk=aM3QwbOngDfHqXKynOJpZP5aY0enxFRu4paEK.qVZJ8-1739099269-1.0.1.1-qBEHCB489f9V2vuQY7CGFRvJgo_6aY1wPDHeKk_KSoI" + 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