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-553998747256.mit-edu.top/post/5386074291

  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,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHdpZHRoPSIzMiIgaGVpZ2h0PSIzMiIgZmlsbD0ibm9uZSI+PHBhdGggZmlsbD0iI0IyMEYwMyIgZD0iTTE2IDNhMTMgMTMgMCAxIDAgMTMgMTNBMTMuMDE1IDEzLjAxNSAwIDAgMCAxNiAzbTAgMjRhMTEgMTEgMCAxIDEgMTEtMTEgMTEuMDEgMTEuMDEgMCAwIDEtMTEgMTEiLz48cGF0aCBmaWxsPSIjQjIwRjAzIiBkPSJNMTcuMDM4IDE4LjYxNUgxNC44N0wxNC41NjMgOS41aDIuNzgzem0tMS4wODQgMS40MjdxLjY2IDAgMS4wNTcuMzg4LjQwNy4zODkuNDA3Ljk5NCAwIC41OTYtLjQwNy45ODQtLjM5Ny4zOS0xLjA1Ny4zODktLjY1IDAtMS4wNTYtLjM4OS0uMzk4LS4zODktLjM5OC0uOTg0IDAtLjU5Ny4zOTgtLjk4NS40MDYtLjM5NyAxLjA1Ni0uMzk3Ii8+PC9zdmc+);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-553998747256.mit-edu.top",cType: 'managed',cRay: '90f712db2cacf282',cH: 'dDWRQd5DhSihUZ9Fh43Ongk2CGvUFxJ_dDQzPXnfH6M-1739137811-1.2.1.1-jrqzN_QA4XlEznqKk5pbGtEx72NuIonbI96HSvu_1hB3lS_e5MMfuzBsg9KcUNZd',cUPMDTk: "\/post\/5386074291?__cf_chl_tk=STw2I1W5LhMg_9kX.apOJdJCmOWKy5kyjTKuaN2srtw-1739137811-1.0.1.1-OgCgzwtt.eiCftLBAplYLhrUb.19aZ2Vf1Nbdk7bFA0",cFPWv: 'g',cITimeS: '1739137811',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/5386074291?__cf_chl_f_tk=STw2I1W5LhMg_9kX.apOJdJCmOWKy5kyjTKuaN2srtw-1739137811-1.0.1.1-OgCgzwtt.eiCftLBAplYLhrUb.19aZ2Vf1Nbdk7bFA0",md: "J0Q24yg3OZXHoD5mzvkIdwL6Y3wpvEWgzaNRZgXltAc-1739137811-1.2.1.1-KQWHmHoIB4Of11HrvEH5RyZSIn9EBX7KTv75JBLbqd.SIhm_GTF_6aZnmJuH_J2i6XC0eYYtcai3zkk2QMT.huycO74aTA1W.hAuqkCw5HSoEuW2pophPnL2oZ_5YBU58lb3Ndey5rxpOorLIyEXQd0KyaRW_Px3VpNBo4bvthIO0ImF9YrVSgF4IfFlGobaD1CxYxp3.P4eLokErbeYXtB57ygn3fcC1EJ2KWkfjUY7dtP.AsdempCgo7BcHOubB3Zm8ie0yeNi3E6zpccWulq.3_KeoblrmRs13gQ8ffR9OGPGR8UOYkdhb8nAIl4X.9YfB1Us0FphBEDzsqaSbD.kMnVti8yOBhqR9TIRfLtaRXYnjMvKwBdk8qXJnDjFMvQLk70KD_kwIodtZHiGkzVlfjJ3UvoNMdJPKzGXyCVP.8M.avIbBUoKdRdY6Q6.nql6GdABx62iZM4KTXdx0XCco.6lf4CvefbfnP09fGS8e0lDke_h.R_JWo82AGt3Xj6QL6rrgzPAFqxzBCzGyi3WHHNQi0XnNONR5KCLwY2Xf3U8ddABpZdp9Bdv9dUdApBUvSppLebLShtpC3qTyVS.X0d.F8vDEa1LN93EtGrWN0qV9IERPhHgKNUSwUbFBjzKFa_NEHo1MtFUgX6_33DbL6CQdy.bopPNJxGPxjTKGnfzNKPNc9goONKa8WRqT_Qp_O52DCzh9a1GxGiI_mbP5E6ugysc1Cs0lcA2jE8fZ1u.ISdCGQWE7qdkh0DpXE1gLUdmdWa_jLkh_lKU_VXoDJpAbDQMxZmpEorJTUpKUyEn4JAaNfE4WpgZKYdBVZ50o2.2br1UvvuzqyZc3C5ov9L0H6WjRPUvDEfMXEDzcXPqo02MZxIhy2LuwksiJI2t1osLiCXUBRk03VW55tquHTEKJlhvImccc_lX0e6LK1_z3P5l1lyc80ZIomQNdML_Jg5SvkLgkbtvanYgpT1ijWo2YAeA8r23yooA.IfmIdApJyUZ24Wzqru_QeshtrmXMyBlGDTJjXZtsIWqAOS8e9OnFJh9zg89mUzwRoQ3ECyg0ZlBVVHqAvF327KSX6cShQRRt5WNhkmnaLUdhvFIDgQDAiQfgGSBazdb7Qta5ZSGM4VD15NoW2kighaBZlfHoAaO15tBKyb5viOxhQ4q3yNRmlfgb0gNvitA3ylJ4ZvFxcEdj_4qxwWFyKGfvy3cNJtTJaAEt0po7pk8Di53XpKnJ9gIwK40EvBEJ3Vkz887YMofFc0s1uQ8YFY8NC.u8cDOsc2JNleiDd84cqKpgz1Vj2l3L7jWF4ziVy_lEnCxLtR9um3K4nvtNjW8MTtuBsapPgX1KOUshnbvPdD4bVcX4lCHpkV1NlwgxC7mKH_P3K5E3AEXXPVxMmvJ09cEQOeGFZpe55CLMGVii5bykAGlsThv4QpriariS78z_oHp0TjzOf5.CfKgUFXHsH42Bf_Uw.mEIOh8AehZy0SAmMI7MOvL.vCiZo3aJXUtBqKmO4mlxmrPNlhIrTWuBegOwLMYKF8AyS6oXRSBltA9y0O6D00WZ5OP5OKfQvJFIZW7jf9.TMBzREDQEarXfTCcH1lpybzRR4fJsnw7z147.DekU0_cgRCEW9hUiZAsTUshgAm4uELd0fCSWmzz34K08HLdVxkYlzdey2G_6Q3at3OE8w0xME3GqJs7QzROeTvcRRKu7zvPkP6JioxlzM4NFlA1Lzw.b0ASrK.BTXd0..Y.sxotlLBFNI.UIoDDQXiJsE12bZr3f2_MvLYhd6_aBa1CjOK1fhtWB9ED4qfYndQig_cEal2N6hXrlHoCYhPyVLtDfJ4oz7zFpWCzhXTS6An0oURaeUSPuszEElQtG0FR9Mh11b4xGUByuIkNV8wlZuW5GTRLUgTde7UkgzjLi6olodb4fOnYCqkyMVT4LCEhMMvpR4Rm9dpBH9E.frMP59_wEBUsZkRLoseftJEn4ipnPea9aICXi4rpO6ZVx4Y7scWBKB1FfjJulgXJCglZmkjN_fBzZ.cbXvXuESBOzsbUYQACq.QljmV1prIr9vQBdl3WtZzjCOaNBimaINe_KnlA9JNKspV5JzWSForYrjfwix7GytsJQL2rhj0X7VXb4e6.p5cyURR9iP3k10X.uRkb_tCS6qc6ksPdg.dHmjs6GCvgghsE9TFemDPSlMWeeJqWv82ijJ8mZwcJYHqjg4Jv3nhtpR2Rakxb",mdrd: "NLWjNmTcc7L_J3UFueJvb8Kag41HegLXAwGEN0NJ.zM-1739137811-1.2.1.1-.uMysqJFhJXcUaBNQmIe3Uqn.vOM0jNBbgyvhlD.ddyZxfX_IiuQakD66opO_r.86Q2lUzBAC5KmiFVreCveXVwDtdJHQTgMhasldFsoRZtZK56t5ddo0r69_IfB6dtLpido.T583NfaR9tZhNEVQnSg5IZgS57YoOjlDynM1UC6h9pb9lJ8Zw18AMLkI5HVhb4B6gCjEqlRvGEwE3HlypRjCNfeMV8sCQvNKqlg7FC.AqhAubGVIeHPb.6zsNrshEENE5XuzgCPmr0fPsZ6NeksBwkGuvTn8YuN2Z4P_mGW7f5hKWlBFu_qVlGCk0Vd2AYOyaxgJa_czZdixAdjHnsMysXDZkrpg2FzpPPAmzdXHqCNa1jyGxYEd6yNkGOZ.W25NlFY5YtuNAdUfm6FE7_pw7f1E2v5HtqXjkSIMPXUXPO3BabEMMYuzqOPI_SPOc331BsNL4lW6K8O2BChn2y2bZPcRYFKuSx1OZCyUPhyoRf9eCB3ChqBiXAcvtrwQrWMXuK2Bu8dXM.9X.OEUvX3n3aI4rRSVN.1OtC2s.4ncVpEMP_Jm2diK3xCETFWhD2iiEVReksg9KuteaA2X03xKYikYAb5aUutKxQT4tn17fuTiKuNWCrwt3FkItRDZ4Jckt4VQKnDeR5UHvFLFmUlZ5ihXrlSaVZXTImByG78OvIIrbry2XAu_iPjQfP_VnB_jS_FwUj8AN781tM.sOMj7JbrbtJuyJgkBKuzl9ht9MBlLMjpqTDrQBu0Im3TKJWU8fHt2.E.wY5vsWAt1aRKH2KxMduMvNgG8asYsL7FNqqvS6L54xRnyck0W.NHAOEj0NVt2j0fgU9ajcUjYDolFowmOKvfQgnlknhUQF3I9ei4pwUZZl2huOD1nEo3AYAF59EODeQL3bwftbOtlMeUwx4sLWaEY5lx8Ui3BmGuQAEopbOpnEoJBok3q4dLj45hDogyxbgKMig9lgtQDGTe22ItFt4aupyx1dQ8m39ZEl5IZu_Zpn6lMACUWiJ7mKrF.Fags32NRDBjYtF4L7OzXQDyEvYknq7k9ZwC4N67SlzfyryplsBmn6Buwn.lkl5pyDhq0ANnjBBjE.BTenxxeOwzt5PY4WmTKuQbBeFCNa87Q9B5twuYPC89xGf0wIbj6PMVpctnIscoRvsC.dF08HOmbUWGs6RoCQCAneaT2UK9Rf4vWouFeiVWlesLEs7pTgmldxzlg90zTuxiU6YlGHGbWVP02nLoVe1tguxPSPwjycAw94PfRc1S0vhgHChvlHrPSFEHZ4nRC6jX9oUvQ8vtFSE0xaG4cdIiLRuhaEKaKl8EOUHQS2_PS22dj0MjRtxnOv4TJdaJ4HFQtGQvX0pqt3zpb1AKvW8W9GvGiMmLUKTKyE3LdY5rCo36J4.rO7XLNn484RchzElPshl81TgZ0OOtIQy0DjSegoTq_PXQ0m1jSbKjrgfqQ2WysKmMHlYG9XnCBOR2MG1j4xFbao9F3bhkO4pv41UTecFmfB_9LcLqQKLrMQth9FCLKjCcHeuUAsP5ssKOAerJnPDoZevh.52GIiOIxfnJYj5ly3D1hW7bSsgHRfRoFoLj6gBfAT3qAAPW9heH.yjcbyE6q03yZH7bqc2mySY85qVbluA0jiuTEBCfsYFWVDKRJhzHS.Ib2JkAi98dWrqI.Gr0TmVrZW6tkKUiv9gbsp8ZmTd41AIdqkANsp4Q4aNYZUsjDltbr70.Rdm5USAQCF4uL2dG49T9hs3xpautVwTHYw0DHPnp560s_W9qRKNekolGWTKCMMgC8EUD94T_5jmjgoiuLxK4z2sgY6EvE_w"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f712db2cacf282';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\/5386074291?__cf_chl_rt_tk=STw2I1W5LhMg_9kX.apOJdJCmOWKy5kyjTKuaN2srtw-1739137811-1.0.1.1-OgCgzwtt.eiCftLBAplYLhrUb.19aZ2Vf1Nbdk7bFA0" + 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