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-856377654471.mit-edu.top/post/3154089627

  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-856377654471.mit-edu.top",cType: 'managed',cRay: '90f3a65b0e7ae607',cH: '87IwJx1iDhQRy2gYZ0fcMli8ecwHgtkUpc5QaCpNjBo-1739101910-1.2.1.1-y9VfxW.WuHxNxnjz.KZHgLV7mgxByXoHNx3.URnCFeHBc7iF9RHltdwOHfzjdgbs',cUPMDTk: "\/post\/3154089627?__cf_chl_tk=NEsSE4ubAiBsPjruzeOBVjztWBjNlu._tge4u5l_bpw-1739101910-1.0.1.1-QTsS6izxNJCFYqpYvrwtsgMIVorHYUFLdpcUqNiEiWc",cFPWv: 'g',cITimeS: '1739101910',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/3154089627?__cf_chl_f_tk=NEsSE4ubAiBsPjruzeOBVjztWBjNlu._tge4u5l_bpw-1739101910-1.0.1.1-QTsS6izxNJCFYqpYvrwtsgMIVorHYUFLdpcUqNiEiWc",md: "fByoQOij4YvDA.zS08zLyIzwzPN2MjQt6oCKGxu62sw-1739101910-1.2.1.1-TyM9J3_acocN3EY9s1d5g6nfASxbbm_kcHK4wNXxS.ckJaeaHtctYtMlsdiMAJCCcNs3QLNeqN2z0OMDO5y.pLAQJrY7E_HYAz4POFmLUg_cohJSSrS5jm2WJo6Jyj9MD2xDndpfK3yL.cJZK93_4_3yCR92xKz8fUV41Ppneec4tWhK7QuWzquaICvjRo2gu1xkZiaF3wRzTlsiz0dzhby5g1SIkRIDnyW7tW_ujOb6djbVdwbbJyhuXtZ6Vgatb4pl1zBhF3ywH7qOFOFPsITvEMgNRIeARn9CxeMQDyqjBQXKx3X8X0eiZPxEHpXzq9NNT87DCe509WKebH9Dd_21ShkGzV4HYUum2xu.PWNUA3fd3ZotyCwBqwHiZ9JePuQtZuyHKb2RJntXNym2qryh_b8IAq_AC9ebcOhBW.Fya9rY1tfeGt_iiASFel1st0MvTj2r_bxbR6l01ol09kE3Lv0vUQys3hwe9R5gKeoR7pUiZFzgQmVELsDqU680xzsbFs37Kcb4otTsW9OdFFKoekpExy30sHJOJ6ZhQDzsf7jXO5BWvoOvTIafHfOktFeziG3HwcaR5GZsyoXiBIdiic4ojHjJbRU7B914AeT7mSWuePI5jUcZbD4Ua7.tqLH2NtOTSXUw4vDUXDtFtFtY3c25w_w_xnjXvHW_ZBBZnS5uft57fFjvRuWEY6VwrE_zdW7hJBXsdCL4zxTtpi_nD0ky8HmalXm3gNmPrqtvew5Dyw70n4iaYsnzyaqHikzeuUx_iwApqCvE9jDGktsEvkIE0tqaQbeuudqM7VzrhpHMqzy3ivF8Xu42_YMdZw5BzNmyKwqY381QJS_vVhq8okForGqVjF8gwZNnJWJWEjczpZnyxkuzsIwoNgYkcVs2BRKB5s8qFPIQHHzS68o4usoOGSLF96VgyQrEfEnOrZjtg5GTAwnQfCJe6CClcsMlwn1iBf92k_JM0yD3DFJTYADG6MipLVyfaVN9WFoub1u.rXkXDYP8fCdba_eDVn3xO3kC5ydy92hUO.ikq9OFgB3l_KqLs0rOrEounTSe_aKVKj.eYn4vKeTbNgezeBsEnqkKpEOljsSSi9Fd0z588ibV_wsKRz7EQKn5vE8X9x4AZ8gIZZhWNQVg5CHTR7pDm5wZH4_51ihDpIgs9GTKX1OEReZqGRFwKdxurt30F5qPkHgJ7iysmzuqNWj_gg5dSuePnGDOys3K4kVgxW25sns1sV0hAIRfOAkN39jaNUjYFN4tQ9bSu3Pzrfwa959uKYdBGW8V5wBLjSpIOOAFHdbrKLLomE9CIvo81MeRNDr6mwTcwFRPaWs_VUC2Ngt.q3Llck2yZ1Fv2lS3POQrVUiSer3SMUpWT6STUAG1jNdK.SWFTSrO7op1_snt5iR11xRBooQXaQgxgYqK.ZrNoh94hhTa1rmaEAvnik4YMRJZXFMmm0U21IEPWYRc.or50d54hOyCjAEQsnwPoEHJKlzypRFIgF0H5X4WUKm06D8.q22jWwIFY8HTaFhv5mhg3BQnYQRg4GqpWCh04TlKBtR19_JopCLWptHaHB2qWdreqAE8Vp7aFsWwuE0CTOHnBFqOEiPDR0QYx6p.q5PyFSI62pcOr9uWc6m56ENJWC8Sut56zK4hC2lHhkC.VUUVjegDHFhJNbGmRqK3DUwNCpSGSoUbEpYmiwAC.NNlEGyDV.ArgCLpG1LJQWw_jyZPWEah1PhyTmb3x8j9oNVaNrmWQzSvN6o8Yn5L7655DIJO_pP2D7r9wC3QRr5kDhvOYOtA.I_kPoKYXD.smiPQHl964zXb3i07qGGsvtvN6MBgNp.sYUyDSF_AH6Qa.dXoWofywzE_hykyISwo3vYyFHDb4vQBzURSQVzH7X5xyrrxJe5lys7gge7NOesAc4Yzj72piggKxnAc1XrcaHc10Tv5B_D8.EpZ8e3KBR3dJTJPQi327xH5ltzD5IXyXTYe5vuTA.mKQKHzXr2MB4zRNKp6qB6v3pOKJja656_Q1JUWfYPV2sVKkVgME3RGnD5nrDXbMfQjxvOC51Y_rU0bbr9qwmN6wc.aMSheSk4eefO0OOOC.MYWNzJlCwGAe7r20gB13P0C9eDwvz8k2RRGBbxRbwcp.imWGmBi4Wj15.W6mOEV.6qSoCrDRR03nnALL_9tDKE3rQIQYGK210MZShVnSTy.HMblBBTdptja2zSZKk43FE2r1CH8X3fd",mdrd: "lCyDaRpfZonKjPKrhv8GoIHQhDYhqDv69mssKnIjPyo-1739101910-1.2.1.1-uiwy3QV8Wbty75nz9H9BUAQqdsbkwOnfyA0E7gv46v1qH8xt9BBcTPgY_keEv4nQcVKjiMnPTN.7ERjY71R4p.8a9wCqodXHj1ITUuTEoNLGNr31Rq3k1s1qnp9q_XWjy77QTq05w1jJ8OoVgt0jq4T1v_c9A_8sn_oyaqjNfc8dTInXpiIJai0z9L3.B3yfRcmB0vBKTR5GdsM7Q.C9K7B3Tz4ulwdYJsFqmZxV8IACSzo6PmHmcctKXk_eTRv2ll42T2zuoTPLoom.IaYTGPyun2rdApHAJza7W6tyHJ2w4ll9Isih6fS5Ty7UY5A6NW8BzN4BirEw5fW7OlvjC5kMRX8VdbKgPTup7LElTZfKOOXViy3SBcnXfU_OO05uVIuLMD5RDPuR1qxoQP5NI6x4Lc4Vvoq3Re.nJbKdGDqj6P7UBStiDizYT23XieD93ljYbvFgogPQFMvwVEBAzPmAztikueGy47ksiLo8XtZD7.XcGP.phZXVyIyMw.X8R3VW2veXsDVWT.etlTmH_q6PkBgveJcZhWKikNmE_GqdaLjv60RmBRYpXp2ut_g6LdOEYO.1e9DnBLYVZDtsa2_d440Q4EqeF8K3Sm6.jtZcS9ztHu7sybV8mL1bJH9GpfDnTe8SuIIGTyObciUIUlDThmYST1NoiEcUpGeHqxGqGO8BX.TWR3w9x2uUXu40qwWvRqpGAZ03DRNJXB8pNmYZ3H1WsKE5Kv_Yo0z8NPjeATau2mb_NmCx_z_svz9zLcDI7j8Z8vOCT9T.tO_6PIXzY1YtEIb2k4JEbV1CxUmAR4FECC5XBU35es0yz0BFpAp5Rd4WSLvvY9ZpXMVj_5LT6EOOdVbr_Blzy9.3ABGgofb3MbJzM1V2XG7ROM8i53.MGvzBA1nMehJmFjqnY.Mu4.da9owcl7i_egnJHd4nYkqrPEcDno5c3zVqbZqbf_mS2CQAXYUq69K8qPu9hbJqw0n0XXLAhvcEkc0wKuqnTJJ28k7iOBJdaWW5aKVi0IXqH2ZVlaCJyPswXAYcBN91iVJI6G2FJYRx2pQcNtrdMwTgzkoQLQobeETckkM1teq7P6cCzXYsCoDYSUS7v8WAxZwyzHrUgOdDj66X4NkGUF67k2i6E6aDlVYmwaJ_GXLxBolZwKrXi.Xla8Fnn4dnzCa5D7aO.pKPPzYKqUIPe48f7aL4gnBRaZPKxdh.5ivu6youZICS6KZwmgsUze_nJNO8Fl9O07PNtBoCNYbjfdlT3P3kuyf3KTEx8JJrelgw4gWCtJ_JoCiUvkjiE2eVcR3bIhLX98yQLmKT32aijpQ96QgHekhQ9ndr5sHmzcd8utkn0TuMlqj6mlt86lhFqSO3dfrusRkJoCuFS05Ng.JN1ls5iqIKHCugJmSmR8IcgwFvQB9XMLBznrmXJCImETyZVARdP0jcsDalGt2.1M3_Frr.7.Mp2RAIWHzyCqhc5CnMyTdRx0RtSF8kd4HvVui22yW7jEUudFDyDr_Q43Au8yPeomOtqkF6MxRhVxJIbyX7W707EEj.zCDpZAryHl_jTejLx1zby0FKkSBHxnRIj1bxTlJuwISCoU5yyKetn0NKfgafOzB.i0wakqDbC4rDtl33m4L7fHn8GX1kdjBBbiylvXM_yknwh4zIZm4bEZA1db3MtPNFL18MSrpjSd5kPIAN6zwQ.BZbv6q7h6ZwdzIuvevDAs5vKq6OxurPhKSrzWiF2eO4IbNODkZG.gA_7RMIWj1GYbKWxy7n9ZvsRuhbsUcOZ9rnYrt3SaX_jXOzEhQ7qoFD5oepfXS0loK5iHHgJqjfk3MEVCM"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f3a65b0e7ae607';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\/3154089627?__cf_chl_rt_tk=NEsSE4ubAiBsPjruzeOBVjztWBjNlu._tge4u5l_bpw-1739101910-1.0.1.1-QTsS6izxNJCFYqpYvrwtsgMIVorHYUFLdpcUqNiEiWc" + 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