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://877293.mit-edu.top/post/6392581470

  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: "877293.mit-edu.top",cType: 'managed',cRay: '90f852f3ef6c390a',cH: '95K9qNfJVkpAlHu9H3hp76idJ59l8i1hrw0JDGD35D8-1739150922-1.2.1.1-_eZb2BEbAPO3fkeqvj4nmwgy_4gdbs2IgHpBG2kNMH_cf_FdRQmUusHA3uTJrJeU',cUPMDTk: "\/post\/6392581470?__cf_chl_tk=kaUAoDLE6hXmupQAX0gYiZ7Q661vGGD47PgQDA9A7QM-1739150922-1.0.1.1-CnaIx7XK8hvTqUQSw1jz5E6oWhlc8oMFGRMfBnvPpME",cFPWv: 'g',cITimeS: '1739150922',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/6392581470?__cf_chl_f_tk=kaUAoDLE6hXmupQAX0gYiZ7Q661vGGD47PgQDA9A7QM-1739150922-1.0.1.1-CnaIx7XK8hvTqUQSw1jz5E6oWhlc8oMFGRMfBnvPpME",md: "BaHsg3RmRXCwHJE03pjWzdeRggnPZCmbYjvH70QmE2E-1739150922-1.2.1.1-8ePsOVbKtVQ4a9MaHeGrEDVTgzRbVbeo2sl7e2wCG.ZWYpqViWl5QxXCKDyAHvIABLWJFc9JGtObv8ldu0XRDXdFcKKipoG2dXuEFOJ.nDETfCmibOhluIyVFx9hYCpaTnEU6rmVS5x9mC4nWZDBcrcbO4_xtyPDyuFaVgiFfCoVmzWtmKSN.LhSfobWJhK_d41nkbFBzbtpX1fb1PqxKUvabt1dGROGMGXKhuyJMroqHfSIh8nHlF3JintJljjfHS4dtI2LwmYQzNU0_aODz.orBBBtNFwWh36o8uVsJa_db_IE.YnRBVjo3BHQAJLeyre5ORcFm2_mg97FJchrIA4qz9UGuAEaI.Kcd5lXbtKaamubNmk3RfUVxHuixgeaxlgSTmpJNGrizWM_HLC5u59PwTkgqLuXGjI7xXPIUgPS5XnLARLjjp70CX4ZeWFAHvPcfZ5OfQGG1_vZES4h3aDjvRuaAX5GO.2pd3xj2qKLrQQbsh9PfZpItcLGayaNExsh37mLWyddOS4DMc3sgaJRyDW58_GwNSEbYSjydExeOMFZZN5cS9GehiZ8qKGzcJXYIst9.m_nq_uBWv5ITaWbV7QPZrpYFYNDAK0j1gTQ3ly4SRDFnKYeahL4GDop0wTubL5k4t0mapQqnjGMxE5z_Bk5MnFE3aWSRmdmBjmv7gKVgce2QMMwitSkldZFcfSzZgmDjmFcZHjPpbCsniTx_Qvq42hg2AMdj9FXlrTOigCKoesCGzp_TU.UV1SOmPDvhh.NOBOCy9ywB4I0teOv0VL3rqxns4geWwM4NY_VLPJGgz4Ju1g7oBsm4G8Z5eUoD5WPbgde8w9XQjJ9.QIpQwM9mw8Eem8EFuwDmFA36idF.Yfj5X15CH7iwHjKIB1cfPFNhQ_QnJI50YgVSjrOu0RvdlhidwDdQ5l586DHsnUEUkrSpK3sirTVZYdt7LyjsA73F1bBC1iNN2piE11cDSA2QkuXp0Vo6qBV4_iDUPAEUY710eNnr_4_d_BVyVLkzlkLbaY4bKtOA2wV.L3mvdiZXfyVKl5KyxjukvAzIhE.zhwYMdzCiOB5QaifM_w7yuOhhL2YvSceUcUJq4Nla7UxDv16JMeYYiTMGpw0iFgB7raGNJXXu1aD2WayqBUsWc8sDmbZ7BR6bozggMY_JoWA_jz8x03ilLoNKnlGJUtryutDZ3kY__VDPcllR6jmBgVKvK5Nfs4iER3qhv2lKpnQrTJrlC_LImXmqimy2xVmpdJBPfEJdA1Em8EGiDxA94lfISxd44lWAxdV8Pu4Y_u9d_xZ8VtEuTCXJ_1BEBxHh33lSoLyhiG3HBsHLc8kK9H_b27bcm.22jmc1CLBPdgZuXkQHsSeVc1pI_9YdVzCJtCH6mC.G836eu1P_rp1MGswClMxcRkqCxyqcSyedAfcMLyCZucsWjNEkWmsoQoD7J66MZ_EK62Pt._XO5Aowx46_xqQMLX.LO3H48NXfH4.nK4psgLNs5x7l.62Juhuzqhwqe18E89MrEaoaGtfF8RZJwQKQVxNWBTTg.TDBb.t.JcdT0FsVF7yKCFZl.HF6uBbxrJqHOTgKh72ztJk2DF9ukiKMSl2JVGKWGUxK8DfNqp2NXVpH1T2LTdgB6jMA10e0EppxKM98frwaRYww6gh0CgsLhshRNmUWTzttwtxa1260m4Qx4D2DGTnfIOPUYTHZCYVplPTwqbAQ4x3ZMkgaqPzMuClFQANrJJqTrZtOQGcbFdNxJy..eCijPND1ZjA804cXMUJFUVJgYWq10P8UcrwNg4qzE9FuJoa9oHNUoDuo4lejng9RXYgRRYBrNuVARYa01m0gbhb9SHkGAzpgZDNkTL_r.G2w35XfS5Lb80n5adqWEeacuxH9n6jLY.TpvRr.ixUOFNM8e09GLifLZeG0CAWUObZhprlbEZByYJ2KUB4WnFJeyhBkiOleqkyd47Dm3XdIWd9GqsvuvWzTbvpQiLFGCXTJo93byp9psm6uxLWXLDrIl90Pg_LpAT6z.PEhR.PLGzCSQKV1bsps41xvWrLapmEvdsCEwBbXkForhbUHxq3It7H1kuVO9VrX6EZU9eGBjCRGcVF_BYTw6.IjB3.bGRnSXc9eEQDewXfr.u8rGMnOc0lZpMONqEqWtx1d0fFfRNhicehij1r.7CsKEGNjJoB_lZS2xrfMr3jbE2LU_vrqJ0",mdrd: "ypjw0BGAGyMYRlqqJp.7dnSSW6atnbw5Baq8x78kIf4-1739150922-1.2.1.1-tDHEP98WH9bVq8ZXQbWDHnBwfbtkZWQhLdtnrDyF4uZWoL1k_6az4KBYx1A2fdimdLFql2eNZ_t_Tt8E.DVqhiuqbYUmskf3HzkwyezHvS3vLVzNJIGlCABgBrCb76Gf4pXDUlevRYcbWnCQG1BrHnz751gQlZerrsd8yiDxS4lP0SBW5gBjApqVqF1OMSCOJ5TgkXpKkhNsh25LSRqviQOs9vHW3iUvhe0c1vAcQHnl4eMnsaqBHkhgiiocWaLb7yCJ1nx.YKaI4R3zYeKcyVI0kBR52r979ZTiZepo.PFzD76zIBffcz23yN8Ql4Q8jvGtgexh4IJHW6xQwWeEJPOvnvswJNXcimUkObyDZQwGWp7vLhYsbeOPkO7lCDy8nLWnd.CqFSrleXhT4bP6JOLtUdRrp2O2vJGn22.Qjw9bL8lyLOFQCj5OmZ5foVcwqHdXPmzpio3nszt_hj_9BvL21d_mKf3hSNVfE48a4JDZUdgTYY_Le6CFwy_SwLUvlgt98Qbu4vQEu_NdYdu6KoPCZl_gcj1Psf4P0kXfRI2lo89mLml1VvWS.vLso6zcguR_HciN2lsqaFWrnOY9J6eUaC23PBC12MW4he3hYNAmbeq3NpBcw7imvaMsEVRduxs1vdXhopgJQYQIYVuD.OQN0SAqzPTcHahhhh1HKWkIpXNVzJZdbU5M2aU8zHbJQQYuy9dMDubMjL8ait6RHXIJIWHSHOkVodQjqM1fBb29ogxuR2ewaWRL2LAGChwUsGiOI84XH8yaMrcsYKaEpBKZ75nv1jqHdldU3QdiunbNZR_7mEc2qdO4t34Y1pVMZyInrGhYqn1f4CgTEBNZqX8Bpl0pogu1o3H5Rn__D74k_usuQHVUNvwlrd3daLhZKAp7g4iovRFSsHYPUtC2M5p3cIIQxBNPoMDGjSJo0Zot9C1x9pM.hTpzEYBi2XzzvPJr0WPRnIqaIt3iUC7Pa4hhhYkOx2x8oAepCRiLY5UCugOyLnjsX0Oi1eu4WENAfeSaLfyMJtWaysmY1mSXKPFjnfwjaWWLdhrYOvXY1_mt8hULZiVYV9lb863a8FgBtokO89yTLLM9Y5Nju0xcQoLooCal9CvbDqBSU1g4QvPSZNL1v3xVbNwJuGvcOpTJf57mHSTD3OS5P_bHsbw3Ss94FWTAT6GjeTvTOoS4nbvB9hHsEHcOuPkQ_4o01H9xkU1_j_0kvFaqzFxtKTen1dj7z6TVvGVLNR.1zHMBBU7CSJgezTAYJOldLxHTkLwQfR4ae_goTAfPh0NDkbEIWJWq03tuTPoik2aT2t3WfBdmjbnBUJxwAm5Zd6XgBsJleU6eLDSNwd..O6.NFBpbQUKVC3cNyQ4M2mai3MO98wUDM5t5YuFSj558CbmuNAWkZI90m7et0hBkqqaOzBDfdexJFl3ODWWWPyr1V6lPL1KwV8upyIK20OwOm44n6kRbyIEGv22cA2KsbrPBi5a3EdiyqFspnK80iiVB7PJaQhbccAP.tXuWOhhgQjIV470fNtuT9tZCyddeOeg5MB0INHK71mS5VZyQQ2jfJN6p_rcin0LOqpO2OUwuiMfE4.8ePPKBRaqBwHgelinPjlKIh_hhkVFXk6d2U.Y1JKjS0z2jYnpkPoqomgPs4FCKPAeFXAk4.oMAwgkn.G3h3.DQNxwp_hLI.ZtdOy7Yq2e2iKkp4QPHFP.vLHpOouUnxFFeII2rJkfgqFvoXBIDR_srSCsh2APiigQ2FAPDa15s_iKdE1_tnXxm1gBw_dZuvg1T"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f852f3ef6c390a';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\/6392581470?__cf_chl_rt_tk=kaUAoDLE6hXmupQAX0gYiZ7Q661vGGD47PgQDA9A7QM-1739150922-1.0.1.1-CnaIx7XK8hvTqUQSw1jz5E6oWhlc8oMFGRMfBnvPpME" + 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