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-413821918364.mit-edu.top/post/4819752306

  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-413821918364.mit-edu.top",cType: 'managed',cRay: '90f37aaa8ac8824a',cH: 'NHliH.nnlSU3WjKdwSg09jvVATAf4xLWtsuiaJT.Uo0-1739100120-1.2.1.1-_W.8_ExysUdZYWBrxpDxI6yhfwmbzdoefPkX11q4.zDlNWMypm5rcbBdEz3pyM8q',cUPMDTk: "\/post\/4819752306?__cf_chl_tk=.F8fsCOgQxMjrwwScmqMGBOnxwmsop3hJPNScb7kNV8-1739100120-1.0.1.1-i0bHpWo7CE4nuvlEJ3DLR7i2W0CzAVB12rJOYYnOLGI",cFPWv: 'g',cITimeS: '1739100120',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/4819752306?__cf_chl_f_tk=.F8fsCOgQxMjrwwScmqMGBOnxwmsop3hJPNScb7kNV8-1739100120-1.0.1.1-i0bHpWo7CE4nuvlEJ3DLR7i2W0CzAVB12rJOYYnOLGI",md: "cq4TxvYyVbRyuj1NHLm16Qp.ZSiAYpj7y5XwwCB1ZsA-1739100120-1.2.1.1-KeZOMQt6yNHZXLBcR1vd_fzo0P5oeXUIHVgylh3ZM1GLp3bdp1oPEoPwYmwiH8xrDe8hpCidb2F624KiEyDiT7o7hH_sGDcV.uk5k7nwzgtalNd0bDplgcIV5E53.I.fiZ1zRdZnvk2xyZL6_6e5BJTNtUG9cbVgIB0gpj6Xxce3av8MrX8J2Jhb6LhGCVulHzM1CW.mGlXl6Usszza_x0Nw5h4JPrT2eK1XF8CBcX2njA43cieF1UGHK0ZLq9jasYfu6v8hVevJdT1kaTDeWQoCALPMMCgJvNPq2NwL5hZADxn0rxRPW8tVzq4SZkeczshAenTVEG8jYUxFq.MFCqIL7fs9AM1JPoXyj2qmnEXMz9Biimndk4Z0Ja0Vlz.EQZ3Q7QOziwd2LxWpbRH4f8mFIch8vQdtZGID2m.NBqUTmjXW6l0XAsKiGs1eVTgvufjgY3pY8YBF7bjzZkQYnNSox5_a7IUcRV24W9vilCnd4AQb5qmFBNZxxW5n7Z1c8uYG5qswHzYvzWayei4_dDDn6WMmg4y42hns6jVV63nWHzQPEbNJUVTvkkQLsN0JycKvQcWkqddTCU7gths96qH2iJr7JOzE.cocwSe.T.oiH3BgJjCJRWXeci1BrqcRUE3N0t9r5EE2ZMDN0T563quEj_zB9tX3w6yn0mJy1Sey2iHa0wBmeRHcD6yP0uVEnMe5h4wGtulIk3KUvEk4JEs4LEl1piX2Mk3rVMqZJ_iynfeDWKv8U6aYshBsKoLQTFylCGKbDWzddIpMZND6qTxw6mkZug6zW3OyGU4lKzkUqoVMExnaBbWt_dasVc0._9MkhlnEQaRLGRKv7opd6YnG_Jx665_Jw.wl3P8LPacjpTgsfcmQnRb7SZGjGPgRtkpwG9JyKEM6msccVCHb3W51vdp8_unkfl0Hi4vy9Hld691SQg_P0ZU9x3IKkOctTmoUrmrmMmqTup7oGG2ixxVwFPwsB6x0xmBT.WzOZW.KSWRQcKRROU1NfZYO9B_.deOBItSguPywjCp68o79HKoC7C4__2PBFBMZc2DZY_QYI_Tkr1j3coHaZhmDZ2dDUGxfYCJINiR2G602.u.JrWzxE.eAF5Ec4wfr_W3udhm3ONkTM8t0ioV_ItJ9zvMs.B4e62YbdrSCPNG8G7dL6Nzg6RYJ8UzW_ufaRPBDfsUubkEmKYxODe0PAIf18kjWhGMkA6jyeo4yExPLjj98yqrPMG5NYR6ugM.5WuokWqNQfl7i_xX13DWvBYeZYNRSd.4ZpQKLORWBjrjMscWmuH7F1XR3YrA1MSH4R85Nkn8wEsIPBYyG7i3CUU5EpxAxFhCKEDP0n61Gjz3t3q_0H1rnD_HgcbJvRyjQ2MKHOLaABpIi6eju9fh9Fr7RCc0vZHCSXSweQ5DpQ3sP29z2PH.VPVl0sHj.tPm3cHTMs8RHIXVL1OFmQCF2ABzE35rcoxI5k9OaWah26qlihiqOs0flkKUxOlH.Zpq2TNTWDws57KiKfOUAiIH7VaJhPIXMSvZTTiHAN6CYzXWI9Kh0QRJPzvgxguhjCoHb0Aw4tsI7CBhQSWWFILINWnKH66EezGGHWjSlnEhOVxZIsWpVOWJplyefTZRwr13UgMiSKG1462zTu2rHdyAmFcdpwRTk.wSv3TeWRLRAMs39UgXJf_JED7.m7INyZxmP.JkV2XFd0.S7MEYCoLslEosniOn34GWqE5hqx9kf6..5ymtnn6ne.I8RsUG5hJKvJX6fFH_5gVdc6Zm0VJ6vrVbmjtGP8t.p1ls_oLFF723.t6HoCwrWnNxPwb3v.vx9yJUX00AEExrhWIbdeD3hL7rk6dNPPzxcX_bi0YRtOnvZzgC3grwdDt0r2E7SaBo.d7aqH2AxQdhDZAFUxfX0R7UQE2ZrPc5fn_x2RupvG4cqtHnT.ohr_AtmcgS1V7t1dk7_D7LoTl2.ATFCZQviWZVUu8F6dRfpsSMa_BH0Mijp_fICQithl75IeoixMDPTUPz0.zXQoU9Qa7ovlEvKfy1FLcf9VHbsr.PkVpyKEYlEATuukXx9Mtf4v34FARfD2M9bo23h9lx2flJ2GJs65flMWF1kaLrGS0BfjgBnV8bPysiQ9KNNVrf6Q2JLhbxxdjMGg9k._j4hZKba7DMS11sXYc6DdYapIltOLK5b3_D43xkEOKMzGJnOMy8Fwg4Rx5Ed2l1CifScf2aFHzkil3Nmrd_Y",mdrd: "Yj6XTOR.gHTxMrLb7lAsvq9sneb4QSshraw_E8X15gE-1739100120-1.2.1.1-SXho2zWl.MyNeHd_VFsFUWF1OJJOPWPIec_urx.bQkNyCXPSa1.ueZzj0syjQ2HLNLCrg27ShYzhbSQBBNjXe2R0fBFXI4wdnGlzL9l4DkLYwLRdzz5Dkvv9YJDV9YYLcsTNipy5bHDN7NAmjZUW5Tw6zFMpb8ngZzWg.irsbeHP5KtYPgFeEGaP9MI_YiZo.9auTveGni.5d6W_JFRCEpLP0ZKgDdLK7dIhyypUilTRM9mQ6QdaExzG2XWCrHQmwqvpIz5WRpyFZRmkufA1SGOjv8jP4f_Fn.wv3nEX6bhI7WIAGNqfrTSKvtKuIyCDbwh8nLEQ5g117DqltPSr8spOnYnuGAhbta96p1zGh2lagxIHLa3X8HoRvuomfatbngMYunT3rUr48uSipqD98bWILdNkHqfS9JppgDt1zb0Bu7V_qwULEl.1.g0L8ONMLLiJzqDWfE9mkyuHPkNlqoXYDToSJ1tkuEr.K_t4zkDKAH9_8iz__U5pWVHb8xCuywjaV_dhgW5HAyv9OTvoJQ6hwN0zBY4RIeNYiXn3wNeOJr9KZo419PFR625nfbkBI3_6FZeJJE_LcrpHYgP7xboppDrV4J8HIQqQFvhJNcMRYL704g0w9SxTlm2Z.3BZA5FKxRfZduJf36RItVX5p0_e9lZpv4W3xs0yW533Qk93ldTj7JrLnxeXZAeh8hSwIubNkfH0cuLnVVCVi.rD_7g4EhN..HFFsNfPWRKu4HaUT7hIgkzH1cWM7jUq5xswhbwJIVot_MmUaL630xmBPcH.22Q9e0X8I74bUqL8uIrcFu3f.zBb7LKDARaDmfljxx9QrR9TtO6QY9JiKNwaR87fmi3khRdc52mitMuIb4otQZMJeTvuv5wGNK.e6cKiSK8czeGI4iqj83SmiVQmYjDhWFuAw64c_1xCYPekSsuRmJOyvjam.G9w2tgRejjUN6nDwxEBFrDhkK9xraYfw3mGGkTZk0MrHyVDLEyrLHmLTEPGMBTAm9DcUvfw4v3lVRfHkhXXvmxwRa3lmWjv4WJmbCEzlUs4PxygRjiURK2uKRVH7_SkMDfOoe2Pqf6JSihytIjFpP54i4KB1Ucl92kBBD2h6JHdcTanGbfj6fqGECvmldEGqs8QdlbhQ5_J0SSAlBJbSHxAZ8FeZNuVuqCrJpsnVc_1xIRwDMcVX_HsWFn16WvtkHLzmVurJS3a27ammpzcAs7YLs1U6xUXslwdDsqQS5zgqgR3RmTF1D563G95uo3DNGvocfaQqKNOvVK4EG0BFUD9mAu2rY0h6BUzFuKDjivkhL5DsuFlYPror24jGD5NrW_LEl3_zirYbmB_HgmavN1PNO9e9YQFz7ng2Ju8Ihjx00u0kLvqJmlp_SDFMX_iLF5GgvoVMQVJHWtRJhi8U2VULzS0_TAmPmM2fD44fDShbVS2oH3MIZ_vjWjWSpKKriqtj.BpW.VKH3B.ABjvNxzKncCWEla4bSLyAPaV8ePtcYNVtMK0siRDhSo1lAnlQXXF3Oknk9jx1fgYjhsvv9b.6f4gJ3inpe3JK24HSmu5s59w_4tlXB8qYTWd00tlKpsRXd9GEhgncddsaxePQqKFDv6keMCaf9Wu0Uhcol6wU6mIv3UWNqxNYEX0hUdH..TVM_JbLw_mtTJx1Gi_tF8BRVQSxazUK.8HXRX4ylsXqzWfeaZj2PBFbRIojO6NFlCawOvRqu7qU7poj43QUz79qdDOEzfYgVu2LqDhV34i281uDA_dvSu77oqAH7.Ss9Z2L5QnzwWIVLS4lo5w2xpTh3KxlxvGDxMKL_lV8WgoQRlfhQcO0Hw"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f37aaa8ac8824a';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\/4819752306?__cf_chl_rt_tk=.F8fsCOgQxMjrwwScmqMGBOnxwmsop3hJPNScb7kNV8-1739100120-1.0.1.1-i0bHpWo7CE4nuvlEJ3DLR7i2W0CzAVB12rJOYYnOLGI" + 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