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-881454634790.mit-edu.top/post/2159436807

  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-881454634790.mit-edu.top",cType: 'managed',cRay: '90fbd975ae7dc94e',cH: 'RINUuEzAqXuN1gCPUsVXIpwNFQQ049r5MfhrshbCrWE-1739187889-1.2.1.1-SjybIpeQ7HitiN.f1OilAy2cp5q5iNK2xoOPf_qH8NpBF49l0GuRvyPP1lUTW9xu',cUPMDTk: "\/post\/2159436807?__cf_chl_tk=DcvM2kJPOCcxM508u2_npaWT9Z1T_RnkdPjyJsWQi0w-1739187889-1.0.1.1-v8ShUyKO6oo5nZPz9uc2KIqq3ylf8LLD2IZa5TgXHec",cFPWv: 'g',cITimeS: '1739187889',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/2159436807?__cf_chl_f_tk=DcvM2kJPOCcxM508u2_npaWT9Z1T_RnkdPjyJsWQi0w-1739187889-1.0.1.1-v8ShUyKO6oo5nZPz9uc2KIqq3ylf8LLD2IZa5TgXHec",md: "Ga_9FldDkUWvnMo_C2f_LmBIBjJbeW0ZkxUSilX7..E-1739187889-1.2.1.1-weHIqhxSA43i7_VI73.RJfGEY9sQ9XzWx.KEq.BWW0wYnSbJ4QVYIJf74iNxe0S1oSRjSAFph8owVqOP5NF7_7K3vvYFKp.CnLtaAN5tS3rk2l_We_bFyDN_svU_16T_GTI._cy6r.RIrRISgOxeEsS6FjiiQqZ.XrM2.ZZKlvSPo6XheQGavTBzXy2.ndZ6BKsdbGxkeGCxc_xYa9Q6dU25IJRIbsRlyUE3_6uPVS9hfyNh4p3quc7l.lRfjTh8Pkw6HS1A0BKSYTihl6NMiHJr_PuJVnS0SRkYAjVVjkmDoTiwWbOPLjgqVjlYS0mU6jReArTf.JvM5pDn1CD6VziGttGhC1XeV_qCw_k7iTz2lng1ti0bNU.NbRom1pDGmFVG5DrwZF85hqG5n1fMdPvh2B7p.syStGdEvekyekscCb1Vohndb0_1eOB9M74b76B56g1g.IK.6pIXqFt7._OHGSUEpJs34Ypb6IJ86YDoYPDgIh_n4T8mR2SxRSM0vdImuMB7mpjqqTYqq6Eh5L.8yyRK1Fr_4rgGruJM0AGRHCtD2dJBELZdh8f6aTKVdSOy_V8SAyeZvNTZ87L0aOIVQxaXjkpoH6GdGAZe8SdPzsgi.HfZ3aKPcBvnjJi8bA.aWtSpm3VyqrTUfOWwrMVxoPW7yBTMJG7kSJSncealngyfd2_GlFEtXdckiJSlofvqJ1fs5bv3mEtc244GrWDgCuJmG6yy3nX9.RIurMVo3XfjG.kEd_.SToQZZz1OM.UuoHiC1XfOU4e4klA1zlVsnFyEKZJwjoBovds6hVPc_cnpraNsLewbVUrpwIgwexDAOb5LNKLzx1Qpsf9YpkT51fO7.ICl6Rs57idw9NFXPiykD1m3lnebKqumkS8fHZyoYVnVlk2AWyIJJSS7TRIqsLwm9PpUT1vwTLLfB_IGw5CnT.xjV9_1.rCgwN.ph2gloRnm5yTBymMPVT46_zQdjIcGYdf1XahvmY5jIFlpFYZ9fnhUalzRf8KIOo84hIKMSwbHB9EG74wgUdANr_kXN0cj.auWws_7DLTpK4dY5bYJWVc81Seb6rUUgf._Sl05ZjrMb0UI_LVtsPtQ4gKC4I4Gd5G0hYfupCcxEoBn8YG88UfAjguZqDTzwv1ZL8TA3HUz_QSdVyiLrsERxLRK9G_0gsseKL5BaLNObOlDnaBT.zB11OA5YwpcsDQNCTob2yPqWH80_KY34vkVvsm8tHDG83cBbM7NxNVWC9iXYphvnvAJirvP7jjqWRm0W8zgXkzONN8zqxznoqgHP0584mUs9Es3IqVYYZ0HgkVJX8Goj8FVBYfn3rdBKk0sAtodkvECSiV0bdTs0PC3Bj0qFvuxp3WIqSCpWneFIhnHxe0GeMVrjhcYGIxlmTUuRItw0FV9YREKm.DlJU35dPJqG.BCJHzVSWgPHKzixtu3Grg6kCavOJVUQ_hX6hyZbwLIHEWVvNboLrdHByoQFfp7bVDpJp.UDPf8n7_IEVtVEYHQYc_29bPhHtC.c8Aji.ekwMBjzZSFJQqB0Wp8i3qw9lW7HmEPjO3DrKcTUH.y256VyYpSnjEBUnPRazZtrKiqWKS4nnUNQQ9Esz8rCvhJ.MKMI8UDLO69Gbtc9X4Hy5VL_7ZNAxj9hcVJ06m78.fx0rEhlVU_PdPEU2Mnn7Q82zEkm5_X5F5dcN9NGki7euaPY2dNHELHW3nraBqF8VObFy4cIgni3ZV6ij42cERZUeBgrQ.._6ZJqMJ_yrno6WhEWBpoNMmfjbyhigpkAU6d7xWSIb4ptjWHJ.cjIE_VeEr_.sYzL91x7oYxVFjQZudAuuyOBeanyBFG7KSB1mGDWMVsdBl7WECiRmLRfgX1TNT7WjsS3soVXES0BDXBrQr59qmLUlQcCKhdNpgW4pn2bvw4SVe8VlhZ5xRi9PJZYTWrcaqOzEy2ra4SD31HCtMVNqzcQmnV0fHHEKHIJ6NISphT3rTN2SLTk9N9MZCritZcb.qRl70mzIyBgEo3vE1k.SWfb.flTMMrvochdH53q3dzj9B6_KxhkEBViWNVmN42bwjS4DRqANg0LBd.esWW6V2OeBgK85XLqN2tbfyTUFyKOm30udoQDomkYUBsU.Bl4LVZC41OZib_0cYrpEfbE7s7bmdKcJlY5vhjzEmuarPaHYA1F1CaGRfiBQT2tG1kJvTeKlNfOlV4rs6WoRRfejH3MntLDt95R7Zj",mdrd: "1gz26RqAKcFmF8Qc_WReX8N0UFoAYtHTOpjq.Rn08n8-1739187889-1.2.1.1-ka5HuA65NVWCLczajwgBr7QEgYmg67hukj3d8jpCmW9GHtxVYimnhxml_9vUZ3IFpPvbmrbBaHfVHjLv4TRCruQ83A7gLUUTRZjvwQQhma1id.Lw0ihQnHaAVsf07oP0k6kYbGBWFlT9IlYwuXqQp_DzUbh6j1cJ7Tqc25AJ5x4zmOO7NQ1YhAvv.MIMFVx4saMal8XOvbH2KGChU6_YnKxJSlvjd8zWdA8rNA0uLeHOGOuJDpkWovdNwb2sZGvJRJDgg1LYpghhTFs5wkVOZVTVXF6I8FWgV9wQAzYeHfS3oD4ad9kMbXPg26qD1jGfr7pZnj5bI99RqrVt7HqV.nqsO5LIySQ_Mo_ZKdyP_QLPbytHvwkiz1hFFulZ1GDaHcj1.ndEn3W3D6zAKaSltmcJzZav.3bxOPbp3QilejZPK5rxaNyOrxQ9.b3K8JVujfd1g6147TGs_P5gx8ym8N_A9Zdktbm3S_UlQh1NqDYWGHjoR_yZvfhg60kShYednK8pDXnnjDcGC1BTS8UphlXaPs9d81Oxw0ZK11VMhVkJV01gauQ_PicUHOJpAQSkAo_VeeYrTOeqV1B4Q4uFIioBuhHgwxmg1hF.qXAc854Wg_sLo19qo7wHgtHZIP862yDk4b9WF79ebDy5jSGnX.1cUa9lNE_7ib2GAwbLRq00.JlugNsBGJfYNgr0QpAaLeQGZ.2EJ8u3WeEZ5gEBMDb9zOdWKpNwNWytvOMVK_x4DoBDYtSM.R1Ps1St7Dbm0GdcAE2iMJvfQ_IjVJxsDHFU0vP87LJUzDvwig7msu82KtW_Wy64_HegV5doW00nR3Y7wuHQjpDO6AvVTm_29cv072FMbVcNMaC8St5QBO5fRZJFlCEdGZCi0CY9q1RTvFZkomcJBn54aTHRenhLIbGQdEB3k7aFRfCDJsd.rR5f7pwJUXBc3eHtHZoTh3UAuiWNV08jLen3vdYv96d4NmNUubjqPOOF75N57xVW4U_naP.LVTu3lyWpYdATukDGPVtIpBZ6o9bZu.bkCB5eOcN6vJaHCpZjKLAXRz_7z2QEy6qtMyA7FnyA42z.PP5gp7rWOJ4wlOmg0yDBDq7ie7e0BOY85oWqRvTssdg9G_UJPyVoAxM_oYho_RZujIdkRdKpK4ZDB4__vPFv3_WYlGCWK_7mCm9fg5dog_UIycmyX6us6PeDVPey3HA0Ay_lTJEe9LchzgAILKKvl9GjoDQazHEnvC5_XTwvSaxWIv5igENmvjh35nHq6wmm2rYRAbEZQKM4s51x0qkRsWjJVgsspO5ENqqlkkILuY7HwDq8V9mVEXGSmURj7zMbzBJGP1_WkgjMjnrfcm2rUNW15eLRIUjjrepDc4E7q_vTs_DNUQiDqqQ0clrq9ndv_XQGVNi_WUEs84JlZX5HcSL4te3l_8Kk4CcR3zg4xcPJRUDU91.GCbPiBTyeZ2TZpGVdM5gM9T.3_H_6hqlaVfnXAsnATOusuEna63P3h67W7TOLlNl1w0roiW4vh6u8zrTU10DyQprslkZieEJG9WR9h7njgykXXqRyKdUrbfRI41OGDRyc6TcXCLhiA7QzCj91UbXbr_v6nI3_fchoHXoQxuBjgb3MVsZsgQ.kgzS8zN5QAcXU4CnNTpOVaApIea7ruAwZXsAyayMTBo2X_G1KhsDwrxQFJ3PwYDVwXO58gi1crwyuUtZqqGxUKQcWJ6NJhNh.HiEO55IfWHZdXpmnSXEsMmNMiz2b1bsx21bIOifCqnPfm7MhE9Jx0vFQYtzr1.IvI2mtB1oxtqNJOg6KiMswzXbmthJpZK3XeSX58o4V3jtTLJu9kIp8fqsWZfyz"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90fbd975ae7dc94e';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\/2159436807?__cf_chl_rt_tk=DcvM2kJPOCcxM508u2_npaWT9Z1T_RnkdPjyJsWQi0w-1739187889-1.0.1.1-v8ShUyKO6oo5nZPz9uc2KIqq3ylf8LLD2IZa5TgXHec" + 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