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-779642819835.mit-edu.top/post/1374852906

  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-779642819835.mit-edu.top",cType: 'managed',cRay: '90f63b8d2afd3b1a',cH: 'y5JJ370O9o85DSWkha6VvmaeJ1Hb.Ze04fFZjrIhUBc-1739128992-1.2.1.1-XgshpRGNJnghemQYyGLPeYQiwA2UWdV7PscS5qAdkZUToVe4ut26VhAvsOggPSXM',cUPMDTk: "\/post\/1374852906?__cf_chl_tk=dbu_Rj1cu7Jq2kSW75C5.2yaa6MS2iN9ei398U4CdEY-1739128992-1.0.1.1-M4_jZoDNqagDhEgkjBAMH.5jtsTqnIfgjBGXMe3Fk3s",cFPWv: 'g',cITimeS: '1739128992',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/1374852906?__cf_chl_f_tk=dbu_Rj1cu7Jq2kSW75C5.2yaa6MS2iN9ei398U4CdEY-1739128992-1.0.1.1-M4_jZoDNqagDhEgkjBAMH.5jtsTqnIfgjBGXMe3Fk3s",md: "8b0cgL7Jp.bacN1rfnibSXT.qxYyedP6NM1yp2oCxMU-1739128992-1.2.1.1-Ti1hyUjYvM_zok60ixeYET5OnutV98_1RYfBJRjU_QiKkhKuBqMhtc4rwSZi3JOzRh4bds.NmGuW8DPFmkVLuqcT8vFbv7Pc6IMUhfClzceGtZqfzVo..INlYhx1P48te_aNJ6Wbwv1O266qmgJ.48HnCjqOiAWFOnOF9Py178JpE8f2usg3PDOUG_712Hu1BCJMQZ.eHYVANMra3SJE6pUWS4SzJeSMeOkzgzKtmC5iuv3Ge_lEtBJt4MU0IqhqP42Jhmx3qc.WPqs6OzRgAdMkGRHZCS.siz9R6cK.lDzYBqSq_hm2nnHYqVD1wju5bLQki2.MsmyXie9CjBXiy0ybTZwf_laxjKj4IJh0erSWEx.6YctWjrFXmvKfXHFR0UTqj0JxH9c5W2en.BG1e01xn.aUFZ62gobTeOJzK6OW4Ybre3Ir5E.MrtCn1dAhTDrXYVt4WLbwNJE8RYhCQs2gx9Uln4frWvhpccz3mZM7VqgOLDugTvWQvANJh1pErh.DDHnIcb.FiPrS9M6cn2Zgy.Rg2ao.Z7dtIRVeXhS1uwjVtM4AZxnb7Nhdge_R0dAvM.2U29q6Xc0_sLYr7_wqqZHbss5zjwquzXSNE1u2104H4F.myRTJYUsga7wOT_K1yYq2GmA06jth23FQ1rLR1H3T3GQ1vZzuGmgPydmZqb2.DQ2tXL1gNEWU_FLmXAB5_Y5eqDJ_DyDoxZBFjWUZvVzPhmutYa3L6U675VWppRxBaYVCc3oa.AXXqblNSugqkAZGBHdSUag0I_Nx0JNTpiYMGLPXLlwtGPCSqFkb3zFhD0yoevNA09UXTNJOHOp.nte2o2XwrGFlFbMA7VGdtcwitRDs7Fm1q.qkhNF.osJQxBIlg1S.L6AK1RKHa8N74WGEeZ3QkHICm2XaJLDf7Be4oPB8cAK6uIeLkI_.ZKjztxjZk.JGg0si9E3o1KKhrqGgnxWKxhWhbUpd8xM7NLNhGPM6oKwMy99i7q40evHi21Ey.ZcllVsj4ouEKnjvIAA5Cno4Pffye2RtfcKLw7yXkDndkp1rNitlog0IugR5TtgxuBHwHNaMWANMPThvkZqZEsN4SCTYfSHKuQTUZyuehFymr6NlcoiqwCV0tguJsDbzk5UY_DRGKO7DHnvj1O5ztGAQbJfQuOXVDKYgsXEqJJ1Nj4x0QSnDJ1bWSBC6c_Z_st_eUBFeu_TGuC2p7pYW4oHov2bBKJRnMJFxy2pHBJm1SJ5lbHK8DPhfTvHGkMp9Kr1VInYWKAfm3HT9ZKVkXtRzONUe791OyE3yrM0JJ0_vDqPoYzYN01zs5eOLXZPHsvB6t27aWFEDTxpr_EiW5hpLvoHQ4tCnHXGqcrNwiY590fGU_N8LNE7CizWF_tvKvNPGpqcCPIhnHwoan1A8zBgMn72XtH6KlYof_YHnN5XEH.GsUX4mUWZUq__KUthDoWCN6jJHxcSeVx9au1CP3YvJpOtz5ZfBtgItcnSnOA7e1aslSqI7q9fD0bJ2O._edgTtqU1QUIWtB5gEy9FcFSxNxJO0AdklIm_.Pn4SmG13CF1.6xB3t.xZB1.BcUicjvQqTsaoEens.zma3TrzGQGqaigGb6VwkWMPgSmNndgKJFO._UL5xJnPFi1qfEBbyt.ud09hqOyIxBjjrER04C3Xb43W3_LxrIGHRpgDHM2zhMTYdMy4WDvvPfhm2J23pF2zBGcfjg3CmnEGe0VABY80LqRJqCYV..RYaZdlDfekeB15X7GcZN1stw2SX8dkPDmaTFunIjuvM2Ri9S0uhovOpWE5pGd.waXPV5.J1P50kxPbyg_VAz.bDSLCAYW_Zdc7TI_A3CLkItCAAwm.zhQ0u_LqqwoMIAZ3_sz4qQC3epEB3U_jog.5Fmiws4wnCX30zYaFSbO7BVX9OzWSM0aOwGwGXhJSNpra2HCvYNNk2TT18R5RkilM52om91SPCKs04HGBaxZ645UEd9kR.ByPUfO_WHWZxV3rDdZgCDKDoWFPX6Z0L1ERd6vDnvhKUATeiHJ17ZdPrJlm1f.5K5bDEbYC1i8E5bhSvFrLZmTS5yHKMc6CXGhIeEvqiwY9Ewbn24OmQaXDXSH.Rbhbx_HB8uw0Lta.VyaBXYPzED4blcv7RBYzRCqSqiFblKuHq_Qj11gWTlm2GYP01xMdXb6N9NK140z7cXrx0t3q6vf.r7R18efiPkW8a4ZPX3vl4xf9vZRCbDKw",mdrd: "abN3RRrhhvYkpix4lkyQu4A7nkTDlzyTRnhJ7mfuBTs-1739128992-1.2.1.1-4sItYSojdckuM0LPAg.t.dJJ_RQ.p6.MEfn3hwM8nR9gUv7uQF.lj2b3dkHwL1RJcngnIujVIKNUl.cNB3c9ErhDSMFomrllzBVj_CVEN.WDZ3RKQ_v4fjVFdqXEYtIlPu8yOwWzCpkx86rwDnwbFGeNtfDnLL0Fic5W6MrPblgf9r8.wM.MVDnzcCX3YMRaRGAkjt0tabCDZ0IThoDkRtTliiXTT1LPdUzxi_nO2L7.vRyUB_Ocp2MA20F.H9.CKP6rkRUhRYKHIMCaKx65SAy8FEsIeYYN13s5FOvzUgJ4jyP09Za.wyoYWRfWQmz.sW8.L4TrMd4o7NY54JQWn2yZpMsnlAe_dV.xVP5BY5r0M1MmsjLV7HeIHjReifFg3f1nD2Rce09VK4tS_rRdi9.Ufy6NEpXyDq_3ezbr8HD2Jg4L4By63khjyVsU2kHOTUfZqub2rdKnf.LL18VdkliwVx5gN9YZ0vcvNMR30iveguZx3zR8AQQqb4aBlok_TxtloRgAMnMbaml23yLHmBlugg6ms1HG.qRn8rXXuTmJyBRxPwoBUV8jsiSXZbdUN7sU.9Xqa0k3bNFzF8bF2gzJPDlNtWLHufoOCwMahxrDQtJ_gLE4CJ1sIheLEZiMUvJrklrIAlWpohrfo3ZqWKYDcEtWx2gUwGcjAmvlncLGak8ujw2kPVEtUEES4K0I3lEyoYXZLdCRKIbfHDDKCs0Zrql18H082o3ynBe0cbliMvrY69DuLqkMpqIeRrguMKGuQPHiEAXb5Vbp2MdWkO_F8PtcS5vyHXdTQGTweXgM_ZG5A57aVmmIVFam1ohodjPIwlHKZ3u.47Eb9PnllvDBnH8FuKVaF3WkiK3jl1EvmeC.fgn3T5nuF8bDgpAQ6eNxFTBQwdPVzJshoE2SyJxwRjQQLFk_ja3eRRer5Zq2zsjpEFsd4TSkXyE5kh0C3eeATeYhzy6fi1NV4sM5vKneZeOtk4yzHeeMrMvqjhBRm7mIJWsA41y5dXiV6jn42WkQt0WV2QE1qEvFJAoZj7A53Z0ZE1bcTN4wRihDliEJje2R6w9vUYc_Ed2ob7Kc6kcIkYoLPQa5kIfpil3f3_1.0TxFW9wYX_Oaw01DXD4mw7SAWidthrHR1sR4T358VlNxPuY66pXY91_PjjjvKqzERt.ebb_hanrALvm3AdL8.iqpSXbAraMcXBJ.q1wzd7wWvgmvzCUpIP.vMRV0z.Q4s17TJRzyO4TX3yaN88y6zYbdrNo7mSywj8cQKSA5zX7C.MWGfYhgR_lzJgFXceMWSubj1cRyJvjyXGqr29u6ko0vMzE4n35zThNNyYMD75Hu.DZAuRyM4xyaQlhcFTlMY8ym9AylUivuaxlImlsJFxkF0oUe897OC.Erf4CExuaog4QbpB3wAE6fhotKXXL0XxA82EyWwL2X6vklvqQk_fCL_ML0H.eYsaE1NiflAkCHJongX.cuNJEj9xy7jC63Qk1kxoqUZQK1iysNouoJmiHVlqKAVKfHNcdRpnrUkNxzRk6oSeRjlGSNCHWJXHQpX0KKaAQnPkAYq13tLhgShv8iEzmKIYr7sqfSkbg52z0ga3mqg6f22f5uHasjQD.dpEUtS9eWrJoqEOfywwJ3bdXgt_5X52b6I16YlvOU7Z58mJK1msCqLbOPP2ravQz7olHCDNNkyOwsZvvk8XPIfYS3Rur.lC0grymVQdzKu95TmwoBGzevbc0d_K4mZKQlQQLCfc1hLDTev1kE5WeVsx2dHzPJLKe4z8.lvhnekA4ewKHVc27N84uFIFtgvVjM8Zb7h2xYbUF9aPMJ11I"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f63b8d2afd3b1a';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\/1374852906?__cf_chl_rt_tk=dbu_Rj1cu7Jq2kSW75C5.2yaa6MS2iN9ei398U4CdEY-1739128992-1.0.1.1-M4_jZoDNqagDhEgkjBAMH.5jtsTqnIfgjBGXMe3Fk3s" + 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