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-4561937820.mit-edu.top/post/9756340128

  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-4561937820.mit-edu.top",cType: 'managed',cRay: '910fcb89af8407cc',cH: 'FT8CFJougOP7KO1APlPyzpQD4iWHJP50LcYLKA9aVJw-1739397034-1.2.1.1-K2WMPMXjw1V9NrmSlI_lNJGZ0YxfbPFbP.T0Vt0LGdxQ2YWnJ0KybCmaKHz.9CrA',cUPMDTk: "\/post\/9756340128?__cf_chl_tk=XmGOrvygLKeMuQF37CSH8CLpVP0LtKYPzlNcAj6x8j4-1739397034-1.0.1.1-KtcQkYdEZMPOr.ExI_TU__7o0oVpagVTQWHLdgi6C98",cFPWv: 'b',cITimeS: '1739397034',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/9756340128?__cf_chl_f_tk=XmGOrvygLKeMuQF37CSH8CLpVP0LtKYPzlNcAj6x8j4-1739397034-1.0.1.1-KtcQkYdEZMPOr.ExI_TU__7o0oVpagVTQWHLdgi6C98",md: "vs.AAP75cPQE7LzEt3rRs06wSH0wMGmdZCjE1Hx1Qfk-1739397034-1.2.1.1-ZGbNMpfDtKZz.MeikIvM7oUH61_0iCmQkRMbMn0eFHPHEgiU9pjImr2LhVRu2NtbNp8aw6zamjylF5FjhfDPk_7qgbYEFGMH9C0KpsoQoKkwiTjgWoHlBqhWeaNuDEKhngl3I6fCHnF8aw5QjiA7AFh33ROsQ7wErg12z06BdV4A.zyVZgQOG8C4GrQ7pbdHkQZhgFseVQsmcMlyJHGvqnsZL.gtPnF5p3qrt5jReWcs9ZVREJO9WtW3xAV4ukfMwFHXdxWdGxBEWaV_8lBRDjukVy5b1xaU8v5dzPqIZwbCCUK3qhGjvJibh05xImLCje6jnVYvReOvLbIgXX8KjlLRUYbVKSLlz5e186DTOqAs2uM2ma0wUQNF1w7FE3k1HAN.mYsiK0JMXt3ZNj4MmiJL7pBGcPHy3awxxyMTserLV4YnQsIh84eB1lr5VwLLiPiBs_DaU9xcQ5w6mHfiaDF7tUYGNw.uDzRPdLm57WCMOqm4j8uDobZeU.7HLjm8C70mt72CQrYbv4aOm5DJFMM8yG1iS.uXjA2IctnCzMp6ia2GiE7a3gy4zok5ZzddVmbViFBMEcpav2Fa3KLISQLG_I1hc_bKhKM1Eqlw5EslSMEg6Rs_yPqir5ptoQriqBi4AV4G83bbQiVlO89cB5uW8G72PDsk0QzuZvysxHzOmpuksqHxqSEg94hhPR.AYWHU5zbENObHlxj7HIUlVqGD77Cf0KUWZI80y4H.SdOxvBKwn.iwYuGy1q3RevQMPHaYFGwPTq75JxUYK.xSL5ANYlTVYwIG9oWZgW6N4wby46TkuR.sUFzqAtmLAWobmV.dpLb6eSfm9KQNvxNzeYGwvpafSj3nCGn_OYeo8TuPDtk28uyuVy67.ulhErRaEg7F.qdjcRwG8KZddqCPZ1QQFuuR98wBzxHqylClYrsvjS7oiw0JIlQH4xLtBBtzmh4W4s.0DWZ_9tw4aCYYcelXI73bTzYmfZBRThlWrW.o4dC0ZNM9ozzLv4sHVaU8mS6RqfgPfvEdc2QnZ0iRzGYd6qpjw0yoje4_Qk.jBvfwpQ6TS_daf_PBY4BH1B1Oqn1jupq4WHVADl6pyTbtRmUxj2Wq4EdHQMpPhOIVxqCubdIjl6ZDBRlUXu.wK.mCr4UAvFDOIi4zbZ.hj6jDMoqRyYrqED1rRsp5utAv8Eh8R6ZEf5Sjql4ZD6t.UnFGhEsqhehoq9kzR1dolaiX5TzsbTbY40SlRG7NikXBKua0yWTdO3yYEKcIKyENlVtCWCuClfx8B0utBCDkvQW9V9Pf0aV46q.blENcqZEK9l3dj90w7dyvLXVM5RkYWLu10soZZM11yU.DJE_KqbMIQPuu20KOjMpTRGZCGmZ3gQ54ARTJAu3hf5g7ACWcgdtP4oiUuFhWkYcc1xy0w5y3QCU8fg9UgbHQ2PDcne2aK6pCHf5reRIvGn.lqp6NvccXWHg2FTgx590FnYumkV1wUpSA6l87ojsaRcItTmTYeEEmZzpBeOyC87CWq5LuzwWzaLJr2w745G9UPc.Ga0xOCLvBKRyBfXW9isfu67nVKSZl6hna3FgLjff3JA.yYzF_OS0lZ_7L8w5IJWzDwHGKabvblKsbzIsciljA2g3VzHCOZDSJyW3tIkPA5.AsTTZE0kRpFStWt6L.znS7qfaCJGgp4y5Dy2Yn.h1q9omGqTEM5ujgd0pDxtqwozOiYnXCwGz8YSOm6PpUVSAYp41Vb4rLrhRfmUkAk_VE.8i6RQoJLDJtvi30Jz3s7su4c4QebqHhYelIbXCqch.ymZfMnMQ4PHQqHXp7v3m8WIuyQdtY1MTQitqaBTo9D6O68KHYI6.3HjvEKOHUKn2pAfOUeGPoWjmImpmsSowZtt4v7uoe0fPPv53pS003VKS5x._2jFA0UHSqCBBPD8HDiWP9X3uAj84J1fb2soKxp3ElwAVo9phiEzTBGZJufi3zYF8xLWwnecXBa5fnkgHq3.hb5G_Ub70wADJQlgryOyXdlFBUjCefaY4ucCVKnrM79G1EnsjbsGjeCfxdYU5audzuH2sB34KFhLZJhQTUgCdUTJbEgMH5IGwxwWK_0LDOiSENXFD2k89vqx2BgR2cwtv6cSdMH2yEVz6UuKlY84xDNqpTz9p0Gi9N7NWr7mq1ocvhDzkCSXDrjreV6E6c6sCyYIVjo5dcE6XTo8f9YgrZFfhlEofgvfJtcs2_X5IN.cUf",mdrd: "dVe5oR6jX3tpF2WcpvfU0tnO.69A9PqspvlIdrjI0a8-1739397034-1.2.1.1-G8ozUhDwHUDFBTVE5_X7o6.JzYCkbUjZqhJr5BVkGTi2nhCxttzul26WwffwyDnXhOzhQnSB3CmAQgoy0OgmJYkdJ9BOWqWKQfjNMJ8fElUj.hU2KB5hPvJwoSErYK_FTM4LRuliaHxib4JJ_lkLnXANuBo5Njh_7kEsvwRmeuASD1oRMTfbLcDqMhGhn5UNO4p.L1gmhlof2wCAqcjC13c0TGfKXKTZ0TAoKlCW03A65743FFky.wBWYa5q7IilclWUhOhojDYlmezQk3OUf3JRPtQfxIGGD.cmb.wHTMnDkiMcrgOlpSFxQvJmzcnr5hfCOjpywq7TUN54.zQH.ItQAwB771ZAJT0UdLOBGoMZFAEX4UKqYEfVxZQRuhlZNM.w.0fowqn4rVv7Owzt4EHZ8uvgsifnNgn9gHBxtAQR8rynBDt0m7FvJd67y_3vGsb_9ieTsQ6C7OQozqbAjXpZ606BsuL5zJ_CzVE9YnzM3zZyq8a67nLyOYDsQVkMT1mgfJ7qIarrWVwNqN3PHyMyHcH84ccOCcltrD2.GNoSJlnNYcCfU7Y_z9iBuuGfKjs6m8v7.LqpsM7XOpnhO56NzGqPKlNMuqQlkUT6s7B4GdTiNEERKDTA4M3ogb9ZnvpqKWzncWTRXgpbs3YvAZzKcX3Pn7I_9jpKdUYPZb5Qpm0XiHgdLeiTfZfdKKwnT5BKbju8_JZ0BAlwOEk8EpKKhc5jW1IM8.0UJw5GiPN_DursnG_DjtyEhzXJtFXdJHduzf7mfrArtlugujghU97hnViAlXAyqXwSzqCeLmPYwnpfSqAFbaPbu0hk3GhITTxeu6f29.tDnUPpBm3ZMFp4WfVKXBA5mXmpl6UPsyX0k.efHhGylimtM6.t25IeweER95liCgXlc5J7skArtU21kld_qy8cU5H_rvvbNvrzbtnJlltnPQXULuDS.c0v1vf5VdmbF0Gq_WC1ijdT6c7YxjUFL68ETmmvbvtiJh_thJaAoAiNvzWUigAaECMhmIb_N32OWlt3NUiyaPRlM2fSTUip6XiY6ZfQbTpXJW45gCLljql1L1mbA2rfLL0cMD1NpGqmzz2nk8XWJCHxR82864QwPTF3gRaDFmLY_pCa7lNE0h6PabDVeATVKPOCvI8QE31EflUDLcvVyBQEY17sigG3l5r7koH.39WeSf3RGYBhhXKf5rypi0r64kAcModOTiQPWoWdvV3Tx8V0gTlZ2ULJbeXQU6y07mhAp_RldwL6.Rks6Ux1hCB2OrvzvNIO1ZfWHeht4HuWNUSfLRGwVAQ3robpC72Jkc.4uhLQKAQcXFmZ6ILfygCOBLu7GlAyPKOVTO8_BYvTNHtLLycruojY_caofntOG6CiOVIycYyIRBetS8Mzwl52WDcHDuPjqr9rD95xLsbaJ0.R_2GFjLyuqLaphlL33ZF3kKZwJ3TRMhU6psew9Hh3PEOb20GUThfH8dV22vvD._x5OwKLV8wciVPqXqvUKcVg1ib0z601o5S3JIoB.NuBip2eMjf.0edM3hoX56QUJ2lcOns2i2dx8qfdoP1D0Ld6MqaF9h7poQh003XXPCTjRmMWCWGrBRy5i.vU9LZJ1hRba4iBjE8QIjCthY1jmc8ibdLNKclW9GiKEtkqMXOq6Fgl0SD97oHivARBhs3JxufpR_SrhMG.lrQXLRp7G8cVOTelTEcxRIAkXqWEyJ29TOz5G64JfMvr259hYoQh7p069rdoiJjV0oPhCMriuWMu5HUWvf3En_cCZJ_efpa..TeHzXDlz_qwlybzwkwTqNA11BBozQP4weoZg.ajOvVgGTU"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=910fcb89af8407cc';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\/9756340128?__cf_chl_rt_tk=XmGOrvygLKeMuQF37CSH8CLpVP0LtKYPzlNcAj6x8j4-1739397034-1.0.1.1-KtcQkYdEZMPOr.ExI_TU__7o0oVpagVTQWHLdgi6C98" + 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