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-affwy28qh.mit-edu.top/post/6947023581

  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-affwy28qh.mit-edu.top",cType: 'managed',cRay: '90f85502481cd673',cH: 'ouKh.9A1mVztKyN6CG_9uT.73yf9zlChEtgHd3C.xzY-1739151007-1.2.1.1-Xz4Js_R7TwuYC6..US3lsyoyqbtTFRQTbf72mO1Qk1y9hHoDSQMOkFvjGHtl1rPZ',cUPMDTk: "\/post\/6947023581?__cf_chl_tk=yGJo.QvY6kWqmJIOUo_03MrYxmdTwwGBvJJSAIe3N1w-1739151007-1.0.1.1-Mn_nrqV09oIM5WIgngxlLu0Bg8Yrm8NHkKCLNXESgaA",cFPWv: 'g',cITimeS: '1739151007',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/6947023581?__cf_chl_f_tk=yGJo.QvY6kWqmJIOUo_03MrYxmdTwwGBvJJSAIe3N1w-1739151007-1.0.1.1-Mn_nrqV09oIM5WIgngxlLu0Bg8Yrm8NHkKCLNXESgaA",md: "cfEaW0vXAM_FHHegZ4mqkYXWyTpFOYqqr2IlEOdTYxg-1739151007-1.2.1.1-x2MCZr0xcSzb2EeeYzPBVcifzuaw7DMC22N6D7noBpSheO9clmDIrfpgcZRe5ioDKExBfumV8by69cfjkNeBjqdgBtamXaySps.PvhFTP9k3tlD7.j5KQXdGXvOq5UJfi__VrpPIBWkuZppgC4JsG5QHExzXO7iP4404RCjDOWY_fWTz.PwKkTOSaWeXBSnihRKH2VqNOtQD5XiFQLwT_MDUyKLEvf9BalZQtevOpVe0OJ59jSnrU6fk0JO1WdjOzIKNOj0mtDwf.GXj.kT_DaT7XpDy8mcmaLxR5tGtwb1Dy_ZRu6iIF0f6ZacTiU54fOyRzQDLWS3LDBWx_zRq_d1ZBHNW5XcCjMWV.bSdIK3txF2dNTJDsC4nPx_HmxqD78Y3.KyvzWzJ3K5NwCJfrE0Wf_N_PPWD_KyM2qL9Y623z.mVQNzQhIbCXRRL6hfk7TbirkJmod.POjhoE7yanYSnC4Rwq7SmRNgfDZd04SsLczcEWT5_eljXxDP4szY9F.DEgduS9jfV3vsiJw8qzPrfJo5sS_luRNPM0zQv0bug06phic8o.uEq6mNcUxAmgAOt9ZVDFY.1KosYMIYrriP4sBXw5TGOkHUSxT9eiKUZFoyG7_3cDa.i9zU6vCz0jKYMLImFUzQI41kNLKF7IzX0SFSU7jwbUlzaRMMIJhGZjA1EOdSWgDz3X_hOiQGpwEEWWi2YbMGeSePH.Z6KRjbrhdxWSetXooogtsvAEx.gAPqeaEsIB8J81IezLfT895v.nPLQY_Wm0d21E2TWfsyT6E29hj3v9R_GQ0DdRTY.g2X86_gXMuzPfzc33vQbixDQuXOhbIfv4LaJ.ZtrPPy5dkkBStzHYmvz17wVXkjrfQejfy9AqX7LX8IulbVkCUy9FmqbsMUoILlEGqStO9BORdzFtUMQPP84taRQxrtuCSvqjY_QADfmbE.Og7AWmUBuFHD1weBwP4D6WpkqINpnWuXaY7.5ic1APVvCvmqpMoCS4T5ufm4b6xjpn4FzcWCpmTyScFOS7ZnE_ar.KzuDMRZalc8UWHVa2L_fqi0gj3oIYe3uZvE9AGP9X8qYc8T1rWlXiDMTgg1hC.t8KZdzENerahfGNKlkni_iiIMIQ0dMLcRRq5CHchL_0uUEiO7ueHTT4uheazYaJ.gCJylEd0hRjMN9or3j7wSY.31f8gRTSZGZEkgbYQW1Yv883FzAVsHnGUB79u9BlRfcATxQSrwhtv.W.jAeSkh9xgw7Xe0RNOUZXWulE4m60nVf.Q9JMxMsKXvvbUYZt_.B4kuy17A9GNvt9SMwRN_pPmGNKjeN4oxKHGHevGXvVWLXqiX9AONwCJuc1jhPMg3awKqj4gI_dL3sU_kZiTTMW.QTw_DtqMu_.CQSDKBjsxoTU9VKMlrBMc6Hyn.E.unJoE4sGMe4FZ0INSMQvWHIdUoJflPxgYlemLIZTTokwmoxD_Wrfz5dly9yyG1CKOoiu9XYYV9ZcWj2yY76bBjeONXXq1O.bxUB3Ml5A3t4k5tkyruCSL5V7DFRyHZMI8jBqFX2EU6XXs9z.NnD_us6fbDWvO2DdqAd_Nz_Fezbr4Vi9IK8.TWETgvIbSyxbrKiM3u9dNfl9zr69Isi7tmq39GuqwB9n4oPBvjrDWJCnnwl0vAEMqFuJMOIcYOQGLVV28ZL4rxmjGJ_T8xCvLr1_KODQLVyC3zDs2n4LB48BWJT08NF6GHmIXRqEriWPzTxmkwPacWXZ8IXjdD7m.FYQggCOjK9ALruAPjyqxpmfX571q3ryjSuEEZpCOa_Fehl7u7U3IkIzUjzBkr_MhGuj2aS0kAgetgjook.GGbgdojHGigN8QDIz6.3jkrE.miManBUBC_87NhRAnqOzTBNCGyxshAqTqj_ZjenxLvYcCFfyMUPbP2ukf0T2w_5NtvQojJzhy3QM1gBrGTbpncV1mo0jjqWTjEb7nDtORa04eAz_h5_Ccqt5SnUBVrxN.G.8icfK5.M6a0eTVB_exExeZuUuuWs0Ns4aD0pGj7LykFfrLT4vbBDtAhceqgGnMJOrY1Z5ETgR371u.UITAUkR1HUrEqTXk8uNLPz.aQwCp8d7CvF2ig4BxOZS6h3OK2qoEHY9Vx7XoqFmu0LLIkTnxdWmVJPkqZhUMLx8iPkaoDZ9kBp09IPTNAqhFome6tyV6hwbngiLkXDZrJjc6HnXDlMswcQoP6.V.6q_SvcuwWE",mdrd: "Nb71ci5oWxLGPaxqHEVLkfoU8osG7YLrVr9kB7.b9pc-1739151007-1.2.1.1-x0ZLrHNqCr_HX4jqQntNk_SXIVc_Cuz_vxzHweERsNGlQx2dPl.alQC.Ne_QybNte7FMUsxfDWP7U_wniioLGNLd2VQ2ofYFqA0vYtdXdps8qrZgsi6ztsZsnqCo5y_vA8.LeTjjBwGVEdaUy4t38hrYuqSLuRta6v.nsk38djFWT6i5kZGXPxLw0rXNJ7i3GQbY4r2EAYVKo8q6OFTgtv4McsmYd3PaYXIGlGRqPCXKpFOsDoIZ9QMegKXOf5xRiGsoBKG1Xw7rwIuGaATqE2_RofhIEF4GS9lDuEnlzwAstBevV7_p2ERSD_YB6kGgoSphjNGVBI1aDap17Mt3R_2CLeOeqTgsjbD.WNhv5i_1sR.ezW1brb7cmolUlkTZChhDEBJYLQVBf.nkzeZo4Ve16CC.P1NqCghldUiGuBP.uVauGUsbfb6Qv6SJaVeUlyKf6g84TmJScNzVGJaT6iQJx0RPfgJ7DQBYXe1k5bogtA5W749sFdGSe.t1u9WjgJnfUo0xwt1vJu1HQcEZ7j8Wa.JwtW0_LhsFBfeI8UN4kGKXf8i3qnFKLtUfKWjiDZ5k8iCpeShKuEsdTd7EAnNtY4AFdUKC5stlL8dY2GU46SRDMMaW8xEpSWH41mtbvi21bU9oFfsq.Uugx5ySoTKMG6ZsNkWz7b6NwI5PdT7B1eTBpA9mP6ASgRt8_fTqMhs6jp0if7wMfYWShTjmy53DKzJtdNK5AUu1IjIZcis_9Cn94cXYT4ZVteE4IvfV3yktG88HquVfb6C1jgerBPSBcA1DJLJzV.maHxqGcJ1ve7.JhlYPjIbS9obilV5B4bUD5d5DsQSrAgc751UvvC63Q47f_iaO2yWMopwm4P_0T4N6E33GwVbWnbvNixGwaF3kmZttAcTPQbJJQtKu73aGPGSulcwZbL3zIxbuo1HaAdPwDfJ6kxK_0QxCUceWxEV_VBe6Y.bQIGGfqV5S2fUWOeADWyzwVRa7dP5ROaEmmW6N9Re.nPb.2BTtRlOtBnKbOOnkV7mKinzLwzexubUR3u00OJXHYd9sX4es3ymCwJGMviSmxCkKWRbfyxyzKQHTDxNRjBmGs8VggsEfATlvWOsloHMadl54INupJCVVzF.PHtvx4onzGW1nJMgM0FwRSzPDkLpilefST_QwjLwmsDkRAG7m43lkC4MVAu1RKeZYlYC5a4kUoNrFDTKFJoQyDpk5ayp297yLJv7RfW7CQNOQhf3JkIjGwsweaZD76luV7RnJ9uxmIGhZnCMXao_GnPEfXw8pHdsw82co7s7hzvHdYBEgFkKCpOve3iY9zR0NTuvg.50M6dHPaPf.eHQAH1w6Mdb88C5aFz_Hf3L94ipXR6vhAA6YgYl8jUWxm3GTxTyNzdr8rx7j8SoaqdDrxVhExZnP5swlWaVFy9hG7c_A6Uh.m41BKDCoSDiJIrgLPGKJBor_MlF1ezXwwxrCkK6AwOT7I2G4mXAo_kJ2C_z5BJkYBNC1vatMFmMkTD0Gu_M.DPjQyertAOBLWPDMzc5z7KEzgIreExkmkvySzW6NZFLYFeUKCWraApuzkmRHR5vVEw3v_OwgBdp1V..sOBlOgHxdOZ5PPxxsxudVJ1I7M4tMF8TU3ix1qFhOjUalLfrcKlngpbIj4nB9YaazB5lql9nMvrygk1bxJgJVPPFjIjt7k0GzQPtDic6q_nc8z_mJ08wiGd3cI6aVSDQN0NZstfrdEhqknFA4BzdkVpYsTQuXia34HeH5p6SGWg_mbGCkRoXVmKtsU995GjQsc1mNLIwUXW8PtfVS8Iggz8MEk4LsepwNxWqLB9Y"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f85502481cd673';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\/6947023581?__cf_chl_rt_tk=yGJo.QvY6kWqmJIOUo_03MrYxmdTwwGBvJJSAIe3N1w-1739151007-1.0.1.1-Mn_nrqV09oIM5WIgngxlLu0Bg8Yrm8NHkKCLNXESgaA" + 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