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-578410939700.mit-edu.top/post/6025819734

  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="360"></head><body><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-578410939700.mit-edu.top",cType: 'managed',cRay: '94aec7032c475a1b',cH: 'xp_lcrFoE6YW.9uwoDRwYNb5KBUrpKSUwVnTXsxDlGk-1749117148-1.2.1.1-dBZPCcwcJr_Lh41q__20fpMKZU_6rwxVvdo47wAgQcvjWLIgD3Iu6U4T5x31gZVw',cUPMDTk: "\/post\/6025819734?__cf_chl_tk=k5TDOo.r5C0TtiWndjfVUWcVpCJ6GyjFx2oo1V61IL4-1749117148-1.0.1.1-wTcdYG6tG5NX3r8resQ75DtST80.o0C3WijpW8Ifk_A",cFPWv: 'b',cITimeS: '1749117148',cTplC: 0,cTplV: 5,cTplB: 'cf',fa: "\/post\/6025819734?__cf_chl_f_tk=k5TDOo.r5C0TtiWndjfVUWcVpCJ6GyjFx2oo1V61IL4-1749117148-1.0.1.1-wTcdYG6tG5NX3r8resQ75DtST80.o0C3WijpW8Ifk_A",md: "2GsxiJR0wAk25W2dKF4WhbVva5G3eznB3Dbfx17obxM-1749117148-1.2.1.1-SgxOYIIsG4dFYmhV9aXmjcmbjQaBg71v7hU9LwTPS_fXDugB58ve1McZhy0kQ8sGIN9Z22di6k3dGcfMf6_hsLBJCDFwCbbv3WU26gHQ42gHDglbGJNbkQCC04zyKNAEeO.1vlPIeB9A2vzHQv8r3Y9opA7NWKCo9E3Mo0hsNn6pfhaBS3JvrkRoU95KlBGkP9b4kXOTpipO6mA.YNa8.1SkLR4TN7VkyZjgzeYn3lauoANULBHq4E9H2OzdtO8C01INRNB_LBZZyb8COfLZ6mT0F9aa1byByGGKCWBbzf28XsmQSHY9Avs9rN1XGqQTLZIdCatWANIdqJ1FQ_K4_Ig7hxONigSKYxRf8SUq.GyQ4Rh893RDRxKfKgQMhUzt8_kn.yb30ts0YzkHcsdr6dHgbJ4vDI8yV2lr0TT3QzQefv6P5qswu1v.sI01lbAe4kfwW4KcluW12VpeSbEuF401gizKDr2.1lPtZ04Ic2vNfHIsM7cqxSYjhSBQZc.YnPo6KOmbshc0M6SNd5YZdiudj1oQFubHD0R2sZ7mbtleZPgfRRuHpIsPoAxOuWXuMLo17G5_8sv3hipNOnk6mSSBy9XxNtCY33n2RdDCi_m4WF22vaXC5rb_L2SaAYdElRpHreW4xrG3RDSDIrEEhd7Kg9Q.0jQRoUiyvS9DyU5ziM_hkloi.AVMeUoQ3pwTK1uR6_ZSwiq7VmzXeRyiKzpP1_mcjC4C.NqVXEPe_ey_5IbTS0mNjXcA1zSJ2xCK.h68CZ72VJttmCNtFC_wHEunzu6HeamKNBATXHCeawEOfRnL89dPJKGpwVnd8wB2Z9S.fWt1FiexjrptugJxjQ",mdrd: "SFNurQXpAeezMh9Chh0zoj63zD0ZC6qNCmhv.F06aZM-1749117148-1.2.1.1-7bppw.CjAXQ9PraD9c4XgI4lbd_4niN66c60tHvu2LvcyE9AuOcrM4hWTahz4m8oiKxdUIffvD9qHCJcQuFK3d5YNDvRUou3qRAEJ.4MHZJ3LmiuN_Af8nR_6UJm23vgel0MeIquuvL06slAfBpKME3921aPoOx3Qs5flTP1Ef6zhqmIdKUxUG2FjWytjOMZ.XfbyyY81jYvLxZGZvhbLZbATA9tqLVI86YXNwYnNZCNI4_oE1VjasLmlpjpclBVR7G5TWbE2WgGUoQSyHgZ3WZ_ozDBN_qg7oroNVfARqD2fUkHnqvtpbxADz8BUV6MYmY431uKzOXeqxvL8ozU.K3Mku0I2b9IIMLtDGnoGCKRjGUbNpYPQasF38h8buA7OkcOiki.mHUddx4FfwRGhOAhHY6z0d.tgQNquGcuiTZ4Gc6tjL5rr0TOOg2iR7ekY2uU3xr84M58mdtRQWZ2g2HEAcnqM.i0xA.oXIB0ObXss5SFpe5zJroFrcO8YmX9LRUWWbrftQQE7i68tgHNvJDgT6snjZE7S4Xp.yTG4Ve9ShtpCeN7MSPFx4STvCr2jfvKDq40LQIi3Q.vZcUaMrqquSBpCN7eDxLRts91HGIiPoj_gB1TgO.Tgo4Pbxrw646M3ul0M76pxQwNVrWR4uoBIz1DsFQ.6KKdcnrk3C5jY8YLCleaIxuiffBoiVEnuupIuk3UGJLA8AL3o851KNNdIRuUSuMQ_sGJCtd25B1EOrgFu6S1DwZvBlUP.Ha1m..1HJBHLN_ONRm3VApsOhzI_Z1IFQFxeB.pIOz6WxlV1Obv1oeeT4WBuSt0SFZ7akGb__VvYRvQ2zV3YJjdH9WF4znhGUsK9ckKJkaSVtV2iEPDRZ_efdHOR6MfICK12PcSYMZe5uYQSvo4vkMTDGnnSqZDwMX2B4aP3teP.rAjSvN3POH.oDx8rsH8fB8CVHVgHZjNX.h5yy1MvwdpTZgJ.OHuEXzdCm9jKEHV4uGJg7KN5NEBTAUrp5wGgfonytEe_z_Jik57fDtiaFDtAmIhH_SrD2rQeJnVTwZk45P0bhXBcFAxqKDJNrg9uvy05P4eCdWi.CGaOjD8gZ80DNTTsc1BqGwcVpsxGNNL3UVrNU6OtTUCs8HS2XqEPCz0xsWO6.tjBnHQsVPZA3LXN_QZxp2r5LHrS2qUzmttg.8ASm1GuRznkRVdsaV1hyACTWwC86.uyihSTM0VNjQrnCbv6TcKUPm7yCOMZQ3xNwytlx3LtitfRdvDzpoZIXwrFjMgFw1csG3lr_YKZWMD7CddvsH9ZA6STCBwuVQjLwZKT_Dwx.ObTtdHsMUKY4eX2GFSVUno9PRUv0riez_N2yAySnS0hh6LR4Hdt83ynQk.mmoLpLz7sCr6J0qXFcYHsEG8O6z_zio3yBZzt3aM8IH9cXpNuil3qvihAM6U6RXne_aoOEc99WW2UZh_Dgm0t4qVoqKkcdPWO5jJe5npmRS1mVK3riRGiFAlb_.HL3td8pH7HaA374TfIYUzhy0XG0okbj7ScX40IkRc.ynKUJOqk7Dgfd5zQEWsUHoNwm2LLRE6ULUqdgGb2MfZC28.FmO5g0IkXcY2xhIwSRXDZixupD.QLblZGbxsdFBZ68KP2DvetBjHg8Y23mbR7b5QSDVOEk2zZRiOW07UNDmi4b4oCaVBAATfmlmaz1UhlKYhOhd7t9tl_qztaKeGp8.aCqUjNDIFdVEMlV0rZSlmR7c28MPOtDAUZjwS31kz7LRueA03j19cSCN9UFKhr.XVqyvBcimvJeqFlHUrmm3FLn8LzZUqmALCcSnBTf772NTQuPv0YVbT_nvkU1WBzBtScJlFrzKgDAdT4ElTdYgxzkcKKybJKc8qwdNWn0nybnff9qO34roZVfiB16lk0_pa"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=94aec7032c475a1b';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\/6025819734?__cf_chl_rt_tk=k5TDOo.r5C0TtiWndjfVUWcVpCJ6GyjFx2oo1V61IL4-1749117148-1.0.1.1-wTcdYG6tG5NX3r8resQ75DtST80.o0C3WijpW8Ifk_A" + 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