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-257471808833.mit-edu.top/post/5406372918

  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-257471808833.mit-edu.top",cType: 'managed',cRay: '90facb87ccb4201c',cH: 'xVhRNB1P.jaR5ScGsUZpp6vGwXZsDV2.b0eUkR7kQg0-1739176833-1.2.1.1-3el5.B7j1.88AVxEbvA6Vd4.MJanFE0yERjhOplHPeM_xGG8FRUJ8jzBjsQ0ockc',cUPMDTk: "\/post\/5406372918?__cf_chl_tk=qB1wYFpnHtltpSLOY7GEgdwl6LN0I07nX0f47QWESxU-1739176833-1.0.1.1-KX5ypHkXZqpP5txulG3_yP4FUqpz9M1yKXTedioBdwA",cFPWv: 'g',cITimeS: '1739176833',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/5406372918?__cf_chl_f_tk=qB1wYFpnHtltpSLOY7GEgdwl6LN0I07nX0f47QWESxU-1739176833-1.0.1.1-KX5ypHkXZqpP5txulG3_yP4FUqpz9M1yKXTedioBdwA",md: "VNZykGfa.UfP6TIronviUjO19lFlhcPtrPBfTX9IJQ4-1739176833-1.2.1.1-ujsGvz_acsUdFW.IiMigOWvKpn3.P7d.TLVm6sD2y1lgsJrqo7BZLjqb5w3Ngutfp9JvixYXuQWwuW.0Bmj.lrKRuBlZk.XwXGiCzG.XPuhjpkx2UyfvL9vP11mGYxO9M23YDIl84CfoPnZkYWCoKXMat7iox2vYSNXpxYHIQ2raO6Xd571vD89PSFu3MbK36NfRcoaR6lxRfKpbE_zteGGI6MgQf51lOSUwDBdI7VFnel6BkMCmL0uk3Br5uTKohDzIiz_sN1e44fFSblfIvzR53TCj7UnXyrZmvlz4Cx_XAsMYypBwLAGwxqtdg7duA4pY37PQJwZiiCnv6lycAL2Z_4gEd5nrccf3GbXgAcQS1LzjEeBCtfvQavZOOoWIHPTyVKgJoaVlLW4SbgmtACOw3oSHaOszbvekzg29Ftl9rByNtFSr4uWYTy8BlKHXMVnOBFh2woBVHnvl__eEkYnpt83pc.8yGmrcJrZoqkqqEb8UAddKyDRUOTF4psJJAX6BG9.keieINFc2fDv5E9AxowgjvsCwz2v.eItZGZ_3O1xPKmF_c3quu2gXoYkxGw8yeHeXczNSbnitNBKNQVzKP5gtXfOvRS6jP.ij6xS3P97P2cySVc5MQpEBNz.vvmWEFQBnmezZGOP5N0aaHGsnS3dGsfvlWnjkA.V4Xb4FsjH1wL7VT3wB.w6RyJCwmi5dUJiIkLItJA453DFjV0usuIoe1seB1qi7wv0iBa4NyNENbKzLyXzTUtNQBCwxVWN8h7s_.Y3EhzlXO1LTAyomgSfmzUwvusljJD9bw79luNRCnJlEVAyXxE4oULQlZhFZUVnVb8fg5xmGZGvs25qaQGZyI2MMy8_8GVc0prNvF_ij4_qI7Zw7xuUwPJsg8mUFNjfk.KcvAlxjl0z6SI9tKkkwWx129f0CCnwx0onPF5RMvdVSt2G12SF6AUUrmoQ_VK67buUeRNLM6eX8WJKvkLPPFtl.epDS51m6BcXWWKluzc.3hA4Vcwe4bby3HFOwdw20tKSm6C.VZEKZdKaiUUThW7OVjwNrYAm_CXOQHMscJPGVDhi0zRbfGqGScjOCM3WMfmYx3vWqFpRrFgusZ4spf4rS2z10mgLid1LYcwAgbGdPh4i1DC4vpi4snKokK4n5erz53k3s8WAnjOvjiikM7SAQRAUYotz4bgGnxdE18w9lxMWi5UkrUw7h5uUIDU7Xc734KniHPnv._.rHSHkwzP1TcukqqV7QAEmclIL9G3Vzj.dyTVsn2SmiY1poC7dJvPUIwVHoHVqP1MZfbD40N1kaDo9H_wLkOsqEaI1IPjZDSMmfqc_jgl0JomnkmYHUCLcXVhfVYRyodBp0bxF5_gPDTx16VVfNxh33EupmcpC93BDbrlp0M9kDly9f9PEe.Pwj2wJrwd5mGi7LWLE7cIRX86Tl3rxT6ckWLX6a_ga4eQDUKB_wRP0LOacgcUgyP7N8LmcZYY1wojZCusHerRYX_4cL3tGpz4cyMMyM3EgqX6.soMnKOVM7AUpgC8X8Ug4ITtNCtBGqh48hY7lH3xrNU1hx2a0IsfubT1oWt9sHRENB0QYgEOijl8yp6yQs89.o9ef37xhLhTD1lGTG4nOF8WeUpnKAZWvWHhX.VLA8OZRFMbPpk7w.MKftegeVT_meFL6ksdnSbD79LB37GBVHBfk0rwAdM.JzSuDhLGTh3hBaGEdpQsqN5B_MGEiL8qPUVIAbLIa.L5Agzcrxl.XXJV1TLu2thTCigkl5Om_9SfuJZjRbAhOe040nrsLYjyCUkmdbyD0VW_pXsdfMmNxwafCD1vVR_TRQfIOFE79Cfsgtfon60TlQ427O8_goMeY6HuhYa0pdkfpHU040ct3qPd55vJlhK72wJlRwDFkojMdExZ5H7.2Z2xJWk2aBD3mISlhs7yaCHJTS8Ml3GQVkcHT1ROviNzVFSdmG.fsPaGcEQVAEdoZpxm_I7q4ZEsSI.4p17ds_RlpaO1ekT5VZodHqC0fvXednThRuBciWO3q78n_vUYfnO4294mO2idOaWo3.DLwbbRKF17PfUS4nhO8_6IpTWBlmS8iTRqlvC97wffeGs0H7ciVUkxTlYdx_Z1zBvLN1xqgCrTbjHGWmAk.IAxhI6wHybzZfcC81RvWpoFvvQMu3tTpsxqMTwQTF02UdjKSsnleDuYfM7JmIkkThVN.cMWgfJRGyFkOJby2cw6ohoNH2",mdrd: "kV_R_GoIP9VzAcEZNyBXljV0e9skxwNsaLMEXzl8ppY-1739176833-1.2.1.1-xDYhfSDh8WmJHVFJgGn9i.Bh_7OWhYn9hspTUsRbp0pqsRgWzdQr3dApLihSDYiXJL20eoaKvCbGEHIVJFOE4Yl0NnSQqq_sBNFRrtB5siU47eOOyC2HEva0F3m1LJ4wmMHatrNqLisFEuWYPQOGstXEVtqG.LidypHFF_FJ50CZ7hEYDKDgOuXnyxyBcGCP63CkV6tAd1xz8WNbWkZVWm9Jad_AX0TSc0Se2HbvMhqHAsrBEiQ3I7mDd7Vk2VOdmObJ5Mx9ePQd0TVLgFOl0yI5lRXV0bR3_S0Oiv5hUD4KFCgw1E9VRdpc.KQ_Cn8AUwoVrROtivaJeDGJ_PPkzUNtes6VLRWnC4aAXo3GVb_KikzukTWfwcmmm8xHz0kkbkgW5WcIKw.jrtWTj1MQpexvR9EK33oUCPb06iKypcrjvbvRfIOvUep2oIRg7DQ_OrtIQ5bqRSzVhSDcUNqgDHxFDSna2PG6glY7VCAdvYZnE5W00Um0SpmeWJ6Io2cw4Aruu95maPagfiCHpwH36gTKJ74gc5vdiaQDfKeDa_taazZ5DrOg6sqsQWJ5CzBY8a99n8Ku0Ds9z8yh_.Zmcp8NaSdUD4Ei7FaexXjO.OPIvBd4i_R5ah7JCUjmb254V2efKDEhYZ4RPCZndz7ye2QQysWDcDePWmHAfg.sILd4PIyO_WUTmKahp93YJGn0RW6SnIOUy_EGbhiBgfwTHV7d5PBy9DQzScewQXL_eaqrwyOTZ3PqnqTKMvlkLf25GeBWz0dOrmTRUajJxW0GpUEVzV4.hvlWf3.vsKo1qkv9PDKNkSGAGOBmdxn.9I9uaa3BYpwvCSu10srAGOQHtQ76UbeVs03cO1aBLiX4iIqMv4poSfuN6DcZHsQGWhI07OaV1tN0UO.FZsZRrEI1z6Gi8FlrpBmNLwIwPNNqkMPye5Qj71RFdzkSWlFay5fhT.UoesRqkP7X1ZI9yNzJrtUP4yTmpw6ZRo_96v4KLx9eAosJyvW23qZtSHMlyMiWqgBPEuhGmLI3ysPUnfFg4WdXCgoGVoIRwtrkZZeVM6vnEdSIxYnKYiYwp3ciW63kfiaKy8VFR7QOILvve6WGhKqSUEPLuPSo5_62RsUOiHFKPzEvyj.Qs1YLOIjH.l6akWCuwwFRq68QuuveuwOWjtWMMJK37A3hV6vwWTlQQO22ja3NOTjqeA24QBQo5.ezC6ocEJhSprEBA20gRwo9WfsXyzqkd6eOyJnuuSvFRDFP.7dAe8FyEQsxsm6ThFdyqlqkBl.fzMCzNDtzCTgm7MhlsBFVeM8gq03Z4We8kLpfoHCcVYgAKM7roO1CuFDfvnsklEgAjdA_untk8r8Lm06J8uFv4ByghqgYwGlGgXBVjA_r.knZaGFtwTSwG2nf_bu1M06d18XMI1xMUONu4ZGW6Rowr7WNZyLGjXw.vggDWjPb6sviUHGNPZzljp15XwgteL0St3oJfAXiJHP2P98E2xbuYsU94r5BvQei0M81X0A3VTOwSKv7JqGqXmbHYRKja6ZLazUHSP7UHHpub0fqQEyGHn1SpmuWgkqI4sbPnScrnHjxg8hxMl1OzPskOf0CnToSZX35i6vdjFwvsJGQ3yxROX4bKWB0d4_Ff8unjcl0QjS9cr8g24uKFIpgLsR.LPJuIOxUOZoVwbkYORfp9BWyAEeyT0_tYOEDvw.DJn.g.NG4LCK0oIeg62SxM0td8M272OrYt.KkYRxEg7opATq9ITRNlBd8GtjTGVBVXyspW.yptY_eaEPn6PQgfBbTiaWW6Rk2aMITgHxRvF8BQ.1MUP4jpWOLY.KsyvE"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90facb87ccb4201c';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\/5406372918?__cf_chl_rt_tk=qB1wYFpnHtltpSLOY7GEgdwl6LN0I07nX0f47QWESxU-1739176833-1.0.1.1-KX5ypHkXZqpP5txulG3_yP4FUqpz9M1yKXTedioBdwA" + 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