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-914095362831.mit-edu.top/post/0721945386

  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-914095362831.mit-edu.top",cType: 'managed',cRay: '90f6ab6159d63b3e',cH: '0SxP54lNQM4j4_8Yqi3.m732QQXXfW12jzYubeHR8tA-1739133573-1.2.1.1-a30z75txKIFTg9xvNL04flPP.XGj0TTc8wVqGFfozFiqubIwKyNtpzbRclIG1lpJ',cUPMDTk: "\/post\/0721945386?__cf_chl_tk=GH4GBRSEw3cbEjymW5CVkcu1K0Dy2yImRB8hCCxuLUc-1739133573-1.0.1.1-tYvAND1RXVpwXkma4yhrbnDGNWi569vqVCBN0U6nt00",cFPWv: 'g',cITimeS: '1739133573',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/0721945386?__cf_chl_f_tk=GH4GBRSEw3cbEjymW5CVkcu1K0Dy2yImRB8hCCxuLUc-1739133573-1.0.1.1-tYvAND1RXVpwXkma4yhrbnDGNWi569vqVCBN0U6nt00",md: "91uClKu2eZniX5.JE5W9.zN71lFe3n722nB5nTbau.4-1739133573-1.2.1.1-rA9M0XEfFja6uROlVz6zXWOTwC6Cm.aeV5cuB_1r8NH2doPNR3htvrk.FKWJe_spMpFaKCg4Z0rY0FFB6..x8BbTpJXntbR_8VdK2poaXWkB81Qz30kugYqWd_5piIJa40FYUV3wxM9wnzGuwwX7nrToYX_iJWDs63h13MyG_4mJ5MhkBsiTGoauLO2l38a47hxxN1sYJRUHf2poS6RpsSzDrCeTP3xw9n9Lr_2jgxVK2zsuomyftoX1HecoLPGd8SqG7JL618fmf6XNH7gUok51aEtpFhQG0KmGRnww1a0i99UmGyYeW25gJxalxVcMDlWgEYSlZl5mbMp_pplasugGG2oQ0WU3pwUR1AIFkcQ39Tyd4xFiNGOQ3j9TqkVTl3wktXQ1iH3z8r34o_7FVD21Kdjdi9lvxYXEDBJ.Yawq_HEiCcwGf7BWX1X4j2N6iRjpshq4Zpkqof7kUyybeSmQwbYoIqmnL3savbr1fbnqStNJ2bpJJaVBMn1QRtR13QFzn_.gC1XBk_KWi987gqrnH1O5lzM6A0xZfkUSW35ZqiFMRDk0dR_tSW9qgOkHCwQnFVOPM.t42L7Zq.vlVu0.iG0ZGTjGueL5qWIzq._REuqeFlpAOa7cM2NPXJl3bqGtrrvzQQLDMGV4AcORVMLs9vQk7BUmG69zl7K_W9AEvtYL0v6U2015GOm.DDd7lv.mtKvpt3OMNVhFlHjPpNqi_vzyo0J4b_jxXNVILNH7v92kSQvBFmjRxa5ESiscict8d4V4Mm8h.MON6eF3.qfzdFXjpPgUgseEkswS7ejh3XI3S9Ki9n3iM_bDx5dUeP7xb4PsIfh8mcLG6BgoVAFqVfZNx1gPNYx2oS9kxCqakyLDpXqgbuIfihIUJ01S450ifdxu6MMODA.JcYMQPV4AKXEvp4.D9jOl2sIUKph7RU1BmE_g.L.TA2XOvI_sfvXRqOiYhh5ZInep7Jk92IGZfvJ9WbA.N95KexxXOUTR8fYzPNpI9K7SbElfP6q3ZLH3.jDDYcG.kA4a7TPTg6eU6bjUn658EvVrBzENZXXJGHoMPfnWgD6mPvIvNbTJtfdYqZf7ajp9e2.Ys8ET7I5G4dny_VwUSq6TgYwQFAnquQg9GC_.Ft4NZ4Aua6P7I.p7FechaYkR.HTLEEXFZWnwKtH5RVQwsr9UbZ0WNa6mlrqwQlxrKgvN4jNtzDQBwFuNfcHAxtVQZqErmn8t7tjPE19B2ygLsJZi9.kWs09G5kxAbHH0w8Y2P8EAuA68iNj2ZgG8FHYpFzMYAU41DGIElF7j5ehjJHLuYMI8p25c1nDfcMQV3NnwF9Tm3DEpD0u0aw7grKOO_3r9KjEim4L7Osn74RFV90_8MPhkpjl4X.QHfcwC_1INiCod28oTnuITK3y9H0ptgN16.c2LMDjjshyYyzyf9gDaHYy1ucskFWrm7wAlvEM06Vt07MLBON7doiIx0p7TZZAJpyb_lwQcJU5OvufHCPTJtXnnm_Ie4dVtFoawSZ8ibapAno7mtsQD67Ct0QfldR6q2qFHc5c4IOU6n.RQ1nur7xr7hIbFgwh1_rix4vc51d7dHkXyZeBnrXQM1vG_hWf_eEg9HItvTxcLg25Td8kkonlAhTMU3xYBx50CfX91.A1rMP1sLR.0aJEf0LURB2IhAOD6R_UomnpDiEI0RFV.BWc9ifwqOzelhqddfvxh55ySUYN.elbL4.Y8BgzU_rCeGGpghtUi6qQRrgMYxKQ_vIpXSB3qI2mb5RhF3r6RqkmXI.R2mboq_F33CP1x4Tt0Wd_i1cCYfeGLqAYqJJxaGz.qoBPwpqjxrIBuTUH5GcDOWE8lWSl.yxClZio4RbK9giQjHTiAiTKX48y5Um9meVOtOR.Pv6C2s67Bzda.OgZZzPv5iu2gaJbwRdXeW0KGA7P_4TuWXtxzQjZLg3CPbbK4WnPF4a.Ib620kA5h8VMseAn7v9mLWNlcz260pBijj.AW7Bx..bIT_CWG2ZhFELRG4bweKGfGxi56hSYmskR_6GkyOTkRwho0At_rvtof4hh4HYsUlOW9_2_FIdXaiUfLgtg.Whqb0pNd4MLEsOQuOwwrxvNsxtTiKV.cEakTCErtlMNnGeUzbvltjgstVQZ7vogYEZMEmRlML.9yqLVO9Dz2JeDAp5h30nuP3I.FrcFZAqRc.gLiANxW_o6x0ueXHBcsedmi50qFUNLRLIiflumk",mdrd: "yZf6TvZoO9SQYRp47UmUv0M33NNJ.HEV7g8b2h71OBg-1739133573-1.2.1.1-obyBKv8SMgVOltULdkHWGqHmBHrKXMPepomxxlNQwzxNWwCoUzYPLelW9Pc6N5HT0YOF_31XZuHgBBrQdK5lrGpLpcFnsrQmMbGz9n4rgVSD.nuFWJwr7RBrnK64jiI7p01RD3EURmZHAxUV5qra9OP5vcVjdFPiyU2pwEIq6Pl3zfEEI.kbpH_yT4jJ503IkkbzUvad6UMfifgFQ9Ajl5R9MoEw3JgWUj5UFg6bK093DMlY_5IIrI4YH_E3cfQmXISxR3QMVwvM5jQFjISbiWGzkJ0Q.DG6x101M7fh_KAyLa0HxQOgQhv0h6c7G2o70UcwF0iVw_lReQzSzqUfGbalVWa6WJ6Cx_7N2aKPtQ2xNmx_v1dFkGT1jXV5HEleftnYrOuxhCsvkXjNuldD6scJmXDcBMZll8Lqa6QiHT_Noqz75OpHYNL5XGgKYxGXH2wkjwiEmy1CqgnGlYdW6u.GE.dcvCLxc1meBQj9RHaOwU0rxHa9wNxLoI70DBP9b2tuSCgAwJr72w0reaPsAxMIqwwES1wp2hNjrpUrCPdaOU0GE2524Xwz7NZQYRRBACtOmEadN1hISDIEX3FVY9Fr2DJCaGaeBOiSxO39e74u2MQ4Vm1VFDWVho6QwtbO54IMiu8wxEfjnG09bi4XNIj8sePZKqwOyI.K.JxwfhX7QHzTbnGvTd34PFBqjB7V53skY9hduNLeIVA3TP.D76KShWy0FGqnEhL6MhwVDZrAw_JfhHGxN3vjzo2o3k.d8SjQ1Z5URaBgJeNOapTgzYNFLzmwcReU4ZpN3Vtvq1wbFNhUaRoNCm1TgxuSV7_kxyzNLw9Mc4diLlsFAKOgdMGAZHcW3JqORq9mIE3f834HVE63v7c07FIpwdvkR2AHVC_GP6xAOzunf8r_1tFVfZuAwu1r9VBF5dgaXfAz64RM5FsmzIl2jbF_nYw4lkpI2pFYbCUVapoNxpdd7FhHkpGipL7Imr.x7kJJb9HDMBdlnCDZ4B4ZchkHMr6teEw9cwUbnDyz89Xt95OI3TkI5ftoFBw3id.iV6hlEj1pMckIrg6yGsZPcYasW_J5jVCIYEGzYVJNqGuO3hoPcxkPG3LbZCTSp1mGn5QhID9y2NJBTrYvQ8vmxvL_G4Ea1cRqf51nigzkA2sb3pwmz9vVITZ8nJgjz8HQm1ihSaS249QoZQPczJCiMDevabyST7qiQUTI0TZa_bCtqTyfOInsqNJdblN.9wGax7QfgqCaLs4olXodZptGj8.QNqUQ0ybMhlOdgj80xrDIyKugRVmrvbmDiknyQ_24Ios8gnXN6D5h97ULEYQQhqWIRrG0VGjLTayrDwdHplEQnItrP8Pb8zuI87JSlXyDjGChB5xyBMvaKFF3bsv1wfYTX2rjsW3WuQCeqUwhGSNM8NC0hqLDp.vxRnQToFcj6JvMhXyxSLwt7fHCTRJQ.OCgLdtSzp_KpXDo7bmsSSFheuA0rneUJmOBtt1UOjUG9LEyUCVOSn3Ch5DOsWgQhVwfc_I.86AJlqTJJC86bcwPBIlpH6dyHBZtCJ6C6MEWr5b2dq6nNQcAjGm570vIdpkD4QRCauR0aZBGaCcgEykVcl3fW1ug5fNpRxjlqmnLThWooIWITbhNfIc6lrFjsxJHevCn1s9bVJ8r9BKnl3o8qZm91epeGOnkCv69luoIakrtx04DMscOjEE.47AE7cxfH_2g35ddxRGgj5qcePDg7rUM4Wa2ofP5FGFXGax1xtUhb126iVz9c1dOcVYVbHWU3PsCxayFBiKwra6Sag1BYQgCRTZBBsqbWWrH2_batX7hna9hcGM"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f6ab6159d63b3e';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\/0721945386?__cf_chl_rt_tk=GH4GBRSEw3cbEjymW5CVkcu1K0Dy2yImRB8hCCxuLUc-1739133573-1.0.1.1-tYvAND1RXVpwXkma4yhrbnDGNWi569vqVCBN0U6nt00" + 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