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-835407334939.mit-edu.top/post/4851920637

  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-835407334939.mit-edu.top",cType: 'managed',cRay: '90f3635e1aea828c',cH: 'G.EFnnYXU9CdumGfzKmOUAb_vf7nPS0peNlHf85SpBw-1739099166-1.2.1.1-H3wezDWvj71j2lawG9VVDKfKuVsGuI0H4iP6JHd.ulGRt_imtAxxdMMb9rqoiALa',cUPMDTk: "\/post\/4851920637?__cf_chl_tk=m3eE2hlSHjgBtkAjfdHFmJQvdezzO.xR7HB0Cszfi_g-1739099166-1.0.1.1-oLYmOkzcJ1_PBJuyd93CHrI24GG.GqvYLjP0PtwhX1g",cFPWv: 'g',cITimeS: '1739099166',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/4851920637?__cf_chl_f_tk=m3eE2hlSHjgBtkAjfdHFmJQvdezzO.xR7HB0Cszfi_g-1739099166-1.0.1.1-oLYmOkzcJ1_PBJuyd93CHrI24GG.GqvYLjP0PtwhX1g",md: "0vlxzwJQi5iU2ZlQMUvhUFX93SH8MrktHG9w.CswqbI-1739099166-1.2.1.1-EqKi3UoiECbFc0gkPHvmtqaRGKlVN.uBYRUY5iyCqpU2zzKcv02a0KJrhbyYx7ycLCECbR_r4RDl_izikUcIvn9QwFmSbXO4HhNToyEjr2Jy8.F7hHEvBukkP.0g7CY3cfNkatlSb1rtvDwMrYt6qXhpHZCnNGhVEqJf2IQNjdevuexvYxed8iUs4B9SzGmXA8Djv5G2LuuDJVnLqa47EesB1ZV14XNAwKBpUojMQ4P24IL86Zb1.cSmsfIGJ8QLu44zlHEhy1A_HI_uihZHYjmCp2mCxKFyljJoZiraaeZ4Cft.284iFbKINyWS5D5LCC23QAwJaQ5WmBkjMWKyiW0__uV5YGH5RCnVk6.fYgL7ADPwiX9m1VkNF8chWplolcRcSWHvjnYT7cwoi7AKI6EeXewJWIW9CF2RWxN3inYjdHunGX8E75hyJxFrecbvpIZ9oi8jgR82GLISoZ1e1h6OJjeQcRy0RW7zena6svAtwvC0QOpuv2eIoiAdFuEDaSW2ZWNF1PqHqBbSC.MZMzWcnp_6JWBVvSO9OSD95BnnbWBus62Vwy2RBgHS7J9X4JRzWHrabdmJzzzrh4qaQ.Icf9UnG2fYOSY1xl6C.5EW87gmwRGofDVwJfGGGxmnCAi8JuJTYxmDyfwO9qAfyVsfAKUTu9jbtNL8wr7t6utspE4EvmKAJ1B_MgZkFL9Crh8V3zMb9JfcK.WmdrpaZYwiWnkiOrkBzd5kCZu16piK4eOx9LoYwZctZT_2jQ4UVyfPw7iwyTkZ6xb5tezZ3c34tljjkz2n7w37cwruz.GjrlKq1aBloeODCfBbxegfiAZI5mmmazYs0ituftU5GNwu.vs.8QPfxmML3rll5LmlRsYDR9qYWclor_qTb2PMne9CEn6kINqufHTkj7dFm5eUH18ntBgLXGfi0lQHD9VskpmtLSPUS2W8P1wND0NauhFUcTfnibFN7pdNP5nqiMKuWxM7S.63KzY09eYKDT6jb2oOQR6FJJPNMT76A_RGFmmXOTr5MdyB4d4q3aHqOrnyzIB3o6X42lo5jm7e2YK9X0ziuUUPX3xg.Okay8HC0HvAdM0IAjO7pHmTD8xtBoDp1ENYgvZwqN6wTWfYxb9Lw.ggF85KlTyvPkswgJ04.7awA05FmMvM6JKOo4RzyFu084P36fQmdNornrc0zCz071kPf_KPIVjusNHOoCxHg1RoOI8bpN.D0hr7PwMGkNIPeGStoLG8012Kd_X43SnxZPgymzkTe.PGDj9ISWp329EsBd1X9mSfJSzhw7WFWYy88CgTKKCJQZMz5205VwJmkRpHLp.1DZDXuswMtXWApB458LJ9ig8dY2m7laFqmFYaViPfJmNZhqrj0EGrdXUhZcTWrI_S5xKyU3PwfWZXQfOfw236QExRRjSSmlZT9STMGbmhkzWMywznljzT41kXhz_p3d2HlNcQL3fHL_Z78R13NVQPpVBComFCEibXOgFupTOpHc9u0KyEOKIWw4ZZjc8ZmCIMsbp9_LnTz81c5dAlfmU7RYgwTCcGsNsdhqEo.eQ3hRDyqU5xZjbGuid8Yy7ZzhKo6xOk5cyPGA4PWlhhlVkr2okzCo4IsoReJYLf_3B2yO_4N7U8iozq_3Y4KbLdzjqbL5Vc0DoGpJ_bEz9FxqgvVvshuU3mhcQgRWXsm9rbdec2M8giHDMU.U7bDA.RzwmlQ0hK4TeHURCwcVxATbtz.tJ6nKo3R9a2Hzk6Pl8xq_V0bEImEQHem0qJvCb4RycfyEi1jfjeEX7709B9LJXm_XIZ8Rg3hA1UtuwKmLxTv3_kfP_zDD.xiSML.5eF5xOFRYs6.1Qmy9Ouj2DAgyaaZaKQ4ppAxR3EQs2cZvkQqmyNRYpW81JQljOCnlqVJM47Ia6cg2f9Yb_4HlWRra699.lR_lBTBWvQ_9iG_9UdtDXzXmWOayVYhGEkPafmdE3BvvRuKi2tAXjB.jbiT0Iy6BXbmq1U_fvOJEmEFlqQjzzo.rOIGNDiYEqDhRoSBLPZ8Uk5lt.4Ruce07LqtaTmbE3nfqIcN5VAFofFfPPFtuD16Zlhgsotu85Q8E5FIgE2cMkYwSt2s5XOlUOM1U9iAsJQCnQU93D.97CK9tsE40HMFF89J0izQ1q1bn88vvEfSYiVz.Xj8sGwJjBN8hRfF0Zo20ZTyIU.rlMLHamffPSlmETgaV3bPBpfXIyEFrrHLZKOiJn1ggtH",mdrd: "4k8Zmn_RI8LTagttn7ZwAZ_AqDNd90aHTFIjAuF7IDE-1739099166-1.2.1.1-7EZYEC0j5KLSveLY9dzgeFCD_9GRWUPb8i6zDNKqP9nZaEhPZfNy2YAA9MDEaKZP6t8RIiOix49sNTqXHoZnxGEJgyAUBoTnTCb4JG0ShIoZ5vCCLHVH99mlMYDiPwtLzCy0P.W_sQWZwyBaWb3UdIDTfOJ7JJZpywFyu.6xMrD16I9P0xQS3X4ltfhmvnWAgsVCwXtftkU4p2e0hZ2LF3v2Qg3aWYlFajJj139XweXdqOTlzr81HTdUeQ__wOZKAAQFrgJW33lsr8c20NeB2GZHwczjxA5odCmlrutFoUnxhl.Peh5P.lfeoB990XJTV7Na2MjNONIS83BEFQueDLwjVoDfMaGyF3bTAZK8Auga3Mfgc0bNae9fvMm60QXvDRjByGrZCxr1jrsw2bcTgpuUdChdj6bPHkLS3xfA9kxVd.l1n8aIPdK5tV_epJGUoVMvQPuLpjiS7.9xcSuDFbhhknThbGtmSy1ouG91sTl5FQV2GjXBweLua9v5YZZseByqBZSEC.rcOdfhwOvKbPJsvUgOOPlI6NLP8ruU._8jE7.iqWlInFMz7LqmXDsGQYfzc23JNamKV3CRBlBUP7OXbRADqeQESA1yYyuY25N5126gFrAWkxdlUiMjWcw7Rk8galhZGPL1NqsS1OOFxjOmAE_AYJk6XDLkNN60ZUoqJ4sta1JS6HEVWBE5sc9c.6zvCq7ExY1H.j9S4u_LRGLJl6XbpsHM..85R89HO1ZX6mlXsQROT.LMW63I0Nz5Lf7Zf.6vTM9AdIq1n3JVz5rMj.Y8_WpNLgGEdHbY0.eeeOAU4xd8ByZukCpSWw.cYmqf7GcnwXSpCa2IA4IRIEbQ5gxDuoWTC5CsENSdhuHAelfcYQpmy1PY50tZJqntm.EvCnMEr2moGT7vBlKYBYBOcUZUTmMZzI9Q57sXo.NTk.olHROf48tZWt8Qv39F0z3BSadHl9Mi9JZlrujjsoOcd8Hg5p4uxRLPHUO4BlRsiVc60_I8iRWSeALCDkOPNqnjiBsfLTM7bgXDSaian.pMq91qIC8MbjI65ASeBZPSd3Y4nYQ_gcBgtZvKmI9cXYvljqnzu63o48U5IgE8jk2x2e4AkT4kCBSa.wLo_zOfix7DUlPAzKs9gHmosp_bO1c5gXb_Ur2Dh4YUFuC88jEBhrFBaXlPLXXOA7W.PAEn8o4geDWuxOkd1sIAlAH.FMLsT36_GheCYmgZRY467H3Z3A9Pgkvivcw8ZpqrW8yaF1KZ.ljX3VcwNpE82ZeSxzFDfmkHkSkA7h82EHx0PQrA4.LMCXBTNxxV9DYzlNBSlq7jlOWdgqlpK3Wuhiw70Ec.xt6gIXDauO3VVP9Cg4Ex3Vo9qBCGQp4Z4YZY.WGftqGYvRPV3JgyvgP86GFzXKCtXYN8QX9uYftZgy4iQMznF7Q58HOb0QgY3VOlH4qGyEVyJ_Koo2c.z6_L.rAuX6zxmy_Z6S15y3KEElJOQkCvZFfC9JIYicI0Nb7tRVZjvlLQTcLmNffW1r6wYs5Fs_zuzMoVsjacIxssnyT_NPDxUU27jVqwE0y1F7kWqKgLn_rCAJrKD5.JcxXOvx5Zj8Wbi5HZn129nI3zdraWBNrh9IZLrXOrXnHHgRU9h.PB8iFZEA6TSPk3uFe1VH7W3FQIieZ3.hSKaXBEfQcyr241PZdUdEQ9mlqNZIA.ZOBk3bAt3c6NzflLzyUYglfP3oUpTDcmwuJ19.itEbVJEeAELQJfAtyd4GoBZ9dWQT.TrLDW9aZS6JELWhka6aqPj09qa.Hw2m6mAJI2EJNe4g"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f3635e1aea828c';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\/4851920637?__cf_chl_rt_tk=m3eE2hlSHjgBtkAjfdHFmJQvdezzO.xR7HB0Cszfi_g-1739099166-1.0.1.1-oLYmOkzcJ1_PBJuyd93CHrI24GG.GqvYLjP0PtwhX1g" + 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