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-125465538373.mit-edu.top/post/0481972536

  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-125465538373.mit-edu.top",cType: 'managed',cRay: '91104382efead6e3',cH: 'R2kKlVIOwbR2jXtjZmEUkmjZsSPtgINPR49VNcsArww-1739401948-1.2.1.1-jz4GU8QFHhOZA9JRA2MFYPbjk0ELNq1g2HWbuYcth75BgDbFkSFZT_zLGclSKbzZ',cUPMDTk: "\/post\/0481972536?__cf_chl_tk=8JmKSmIGmzq.jNJAbC_nqXm1meN.SQPCwErKpWwI.hc-1739401948-1.0.1.1-AjvZIP5icWaELJ9VyDyHFIk5wIyNYD0A.UfbOwADGyM",cFPWv: 'b',cITimeS: '1739401948',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/0481972536?__cf_chl_f_tk=8JmKSmIGmzq.jNJAbC_nqXm1meN.SQPCwErKpWwI.hc-1739401948-1.0.1.1-AjvZIP5icWaELJ9VyDyHFIk5wIyNYD0A.UfbOwADGyM",md: "Wcaup6tanijRGss7aaYTHcW6l0ZaVOjCmeC7ioxozFM-1739401948-1.2.1.1-70qqX89fc.iavVIVks_00_SNy9LcEJZ3JUPqcxb_D39olMU4nesgO5RuVpBGQeu_2z13au_qkHewFTDyyJLM_60DzPTqbmxxLj_j9iCexRhgRY2cYfzz5YXY1_8RrID19SHcfhSliAdhsthbvm_qRsfF6MI6bZq_8_Hz.39SeFOXvpoNHCcrDMr4v4sWQhCUdkuNWfbcMCbv6cabPVyUaeGdwxAyX5nq3yq4tnkTNLtiFgft.rL_bnp5xGX_4BA8OVKUE69x_WGPIl9l.nv61lrVOfAgwqJ7ic6KSFAgQrG0TfdBwYByaz2CDL7c1GtlPtqqtNsd1kHQdHv93ldTV5rwy1w0kppQT4yWhyNSW1ZCAI9slldXR5NN4WLXYQ7Egu8FV_LaPycl5wLmPA6KD4JJ_XyHAbCpi.ppE4jyw8TQP52U3MInhVEuqdyXxDEKINV45VIYS81dMyXfliZjzKrh0IKCQBWt4OkK6eyWI4aWncocUZ91jG0NC0Y_KLqp5_FNvYnn7wvu5MWUGuziMujsJuTwVRvFyp4dmvVb.psO31yT5rOMDEauFg7W3XbV2DUCqkqTjg71nqingkIrZxxti_6NIwwkDf7m5uikOlMAgJ8ryxCqMLn3bGneLZAnXquQtLchGn3KIdnr2Bx0aARTe5wYsaz1uDRcjSwzpgLrVbbDYsRTbdiyi.KR71Qha.LTRZ_KAdvlhyNy_ceExejukm3ft.lPv2jlDLDTwX9Bn1mbl08q7ST7ltuREwb2P743fJdGq8fcOZNK5WNFReFX30FZC8bWWInTlOSqAcI.a6ZotNcUNFSqjwLTN34PgCT0aPnknxxPiLwNTKus8LJT4UFpZrTj.mAnKHR2J6WAbpMxPWD_trOtcinPmE74jcb8hYlbXcEHtXzjBvnyBpbI9vEpqZJY_Vf2hnoVH0xNHpD651TfYXlROLHdITl_HM4rrjEHzG52H3BcWTz121uUoeFi8oQ2k0lVCeGk_1cEg7AdfPXVJ7KJWEJhwkQcXcb_hKHoFbUxT.PL.gt.CLGntOvZg6UCGaUc0NELHhDa5bYAs_cP_qHCdZBIRlpZu.Cj06u6M2dmwWA4pejV2jAUM1w19_eZxXDo0seiolONY4KY.UmCI4v_WE7C0s6YjfO7vBmPg8HRmDvF0q5480Om7hRHBV83muyhYRkzweLm9.nHQtnWlpg1B1vxRMVYXsay6G8FUGRenMAB_008H66gmssYfSSYAz3MrXej3bAXdTVZDDok.K4eDgETavuUvIa5GNn84gu8oKwrhOMJF2mdE7p6SeP3UB7EUmXIJdtrjtUcExI.OCug3lSyOsiZFtBrp4VXRBjR4JLbV1Nwv5kW31GvC28GjXk6rZCk1F7_7soiH4zedmRUthMhO3QNdwA2ZFV2POOwc8WA_pScpVyL_HWGO1rh6w8hPmzbWCjRNt1ztBgvH73mtHWI2ZY9vDkQLlKKVYKidwjOyvvlHr.n2HcM8bnfD7BMK7rXhgueBqGgKtJjvhvrdmfzSXowqmtxprh.oj63JwOw1Rrp516ZRAe_AdwUOJKhSxgSYZnZDqsxxMHgeF3j_vY7jgnTkgopxsVrrxUvpXlVz4OR4FuGOVfZOrDnXvpHBKiT2AK2JjCa5JP6b2jbLu8daUoq9fVXkNE1pQOjhfDczfGlhIoJiMLcXgUnUZabCYfvIoxQaafYnZF7GnJuF_3755XiiTziawSvcFHvMrRnfjkXpOSTUujBp5IC5K.eXYRVc0zRZTIdOgyHz.RdT07.GEdyZwrwYRh5zsQW0VIUaHS5M9ZRG5_qd1WmjAWgm68i4MLPCjaF0V45uporhGQKBGIpsw0Cd7b8OVO8nqX7vItXoyaaNUoVHSqRhXvhSVXOEUeN3javln.3ApUmdkNHka6JVC.OjZzuF.7fyn06E4S4PaqXzibNvtMg0IlkRJLXkhDGhht488ydck7lLjbHMZ8N8LKzBbKvOAFiSIHcMdfYjebe.fh7zTI1vRIrHIriiJS11siOuxukrIyd57o8zRMFDbdxNtQeUO5cvt_AhNNd_1FXbW5kV2MiHMC6mXcbs4FO78eOtBGlKEtGIHxl1O7tpgVjPBqPN3r5eYcRZ1MjQOwS265QuEhLTkbJ10Wol4bzT32XMCegWmMNWWB7302p_9w6IyY.FO392VaiS7QNTF1pS0Gpx68MJLnVLfn0iTOSRNos2qihi6BqBZ0jLhOs",mdrd: "aKKUSvHcW46gHQ26_lgc6NYbLJva_EUkmVaa31kuAb4-1739401948-1.2.1.1-8mHZaj7aQMRIWW95UOPmcU5woYULhebhwdis9ANzA4CKxprRJ4Wlk6tT2n4wJpEEH08.QlAS85Hs8kuUBEVJnXitxGadpeiFiJUA1FrX6XdvJ46npgGPgXGstl6PDRO4KpRrBapaW_EmLAN0VcYgZwPCvvQvgSunta_gilBAcIlCFbNWtEI_y1cmgkawkEJT.3j2E3ZZovZCj.3fwxOS26FdNsGV28wHTh8BO4C8n10TJiPM_5t90ypmyPsYFNqtfgzo1FLdcIUJK9G0HuTZlH1iJsHN8m2l_gavtgM_h6PWwsWgoiqdv3ZvTANrPCMGSIERc0AcD1xrveTXZN2G5IuIIsW32jRjWXjYaGrWSguZJVHO3wsHCU0vgASvMGr2i4LZLjLV0Kge1IPn6xx.X13xUj3FLPgG3VjTcizNkl5rdpbopM5dXPnPhr2Eu4z8gWgqP5917r6Mn_WE2.rkEBbQ2lhln.Owjr7ofFV4PRKhgkq9Q_PskgBiy37WQaIqb167SM3E1JZG5HRvyoIPEQiz5nPrjPg2zvxJw8UHSXiFjYXeKalwwinTOXAqKz8QOlXMYWMaYowgAMefR5lrKvqk5S3jGh2Qaro5D.4zc8eQmIVF9.Csyw3YSkJNUm7DueQnYzmH81._GGuyZ.HNg9j0Stve8JsXHVOOAzKlvjmLzyj5GuQlCewSze4aT0de4TfPzoKsJixZT_cuUNlbYQuf.DU0mDFNkIqIQd.ZnU1fOu5XJ7128MTR4yOL5EzVfn1okCzNWFVItbHjiV4gAfOSIf6osUks1kM2SS.ZJwOUM6MLzBvZqo6yTqEn3bKKBKRVI5bFkcfudlwB.5OOXlcP0aDb1pDkh_Ud_94kTwUW5W9v8fh.0LrpyF3TLBfH68ocdncvpV6Ievk32YgeAIWngNDzefFFfoBapcOEO7pzmTbqIhEnXyaBTpavq0kox1KFOpTFT7v5TlOJTFABHHw3.tEa7UHF1ARW8jFheGvecRc_ZlWLaisSAyvgGlgE6uBYBP3Jho2VcA2fm23rx7NhvSbcaT4qqwAjJMbKftuSBh4QIeWWZOgav1Q96rxFLKnHAOhoveXZMthKBCI66K53O4xy4LZrrZMHOgpqsLYJLRxKFEMTqF01ujnW62oamT5MgxqqqXHQnfXmpZFm0FJqE8b4tufEwwsJfRpRbyXx24ex9dYkHmwPhR0NLI4BiReSYlXsn3qaSSs6Dyd8B.gQJ.EYoehESa9P.mZEH9Ueyb_upIri64IiGxJS18DKMAlggBamOQV85db5fSkQZEEfOeeOJVvfwVMSgcG4JRkHYcCdBa.Sr.0mLxA6113_tWrruANnKwZ8TVKt.GpvP7kZUANXTxTxB0XchRLEJ5n5vGFRapue6te_Sbg_1T2D_OdmD8jFPf0.4k7Kd35XxK1dBZVJ0gC0FVNeUek3qmZymdnBl6D68CTuDvNXFtDvYHC2V6F49vq7pnE3MyL8LjpJtoH9.73YuJyZ5LK4.SOjXqTAcOAVLUZgze5rdLoz4OWo6AZC.Bwl2TbVT0KvXIBL7WhnKncgIPPUiHIDmDqOY7LBTgcTjHzQ1lY6qsRvVQbGQKmp9rRrHdrAFEQYl5fD65a0jc_MSK.eUNUbVwpcWzxvhx6FwarW4DYuJ.Mx3PY3EStMWeayaPwnGuO50OrRaZzU_Ykd4esxM0JrLxIUTbyB8L2_NFnGIX8weo3PP8DQ57CMDZ0WwCiYTjbLlRDx.ulGqMwkAnBlu9kWbLolzY.rUeuLcqmDRPvXzegOfz94_RlREhFMLp9..xqWjQ"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=91104382efead6e3';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\/0481972536?__cf_chl_rt_tk=8JmKSmIGmzq.jNJAbC_nqXm1meN.SQPCwErKpWwI.hc-1739401948-1.0.1.1-AjvZIP5icWaELJ9VyDyHFIk5wIyNYD0A.UfbOwADGyM" + 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