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-aff97b86y.mit-edu.top/post/3465709812

  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-aff97b86y.mit-edu.top",cType: 'managed',cRay: '9112aa26e8b105ef',cH: 'v3LviLEEokXJCwaQo.NZwBZklP7AGw3qIz8Ho5zdEIE-1739427124-1.2.1.1-Evm08xVlTt3K5fW2h3pDOqr65zvHLffhHu7VePXp83B.SzGk5r_tasoXo2awvAe2',cUPMDTk: "\/post\/3465709812?__cf_chl_tk=3O26.amEDQad7df1u5Nxh6lxuO9JboH3pAQ0auA4fsc-1739427124-1.0.1.1-336PDLNfgOxHMLygBJc_geKRWbuLJq57T0MZTgNzl5Q",cFPWv: 'b',cITimeS: '1739427124',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/3465709812?__cf_chl_f_tk=3O26.amEDQad7df1u5Nxh6lxuO9JboH3pAQ0auA4fsc-1739427124-1.0.1.1-336PDLNfgOxHMLygBJc_geKRWbuLJq57T0MZTgNzl5Q",md: "wLJ66jiaKm8gAfGiVDOL3ZqCBLcoz7krpa_YwOuw9l4-1739427124-1.2.1.1-LkXCk46f19TBcgnlVdZGAeFdreFOt8RE_4OngP3tXqlJ.KsEPNbVWvo13Q8PWSm1gHGZePEDcneDjseXI1tSAxnJf.XzXbDnXYvgbGWKQF25Tn0PqHR4XUatxr6tJJN89c_iEw6VNdHlBAoap..PsfbxCpoiKJX2mFh2Jw2ZjrjHrfLvQFBVrM.Gf7VGC_VPugKwLIXlrYxGGQmuqWSho0k2I3Ol1sRpZ8hOqMeaP8Lffba2IhvWTPwNm961ZVFhghd1WqfuNxlDv6IcX7DRprbvKODdedb2WN4EFgBKl1ngEi44rMiLaV_ixHIuESZ11C3NB.BmF0zDMB.a3KTEfmMMEUF9gwpha83FDPAFdH0XCN2.kbJUzrJfAyo9_0Wau7Sr0UVdhvylQKsSV_vS14xYE3aC9tSVjMfJfq7iAgTPrzrYn4ju19Qf8ncRoiHM5UNrJbOXWCVushXpsPe5WMo6XcR5jrh0UFsxuqq0PIER7adAX2rxppY5EDjTbWRDnpkIj7RETRmn3LgZntmXpfpJE4rm5lxZbxil5Stz3YUG_8pNHlQaYivpfimEbKrUuGy0fRdKTZVraPkTrRyAYjFGkXe29Z3DS7AqQ.lTqwZ5qwwxU7oJAb_mqHo6padD3rWo1ETwydCrXCbOCr41PDRuITIHHRjrDNzz8kH21_204tycrPUaDxXVm8rj8bdsx0YEV2APBq_KPsSTUorb_6n55Ff73VGiCZFizurFP3BvhH5wusMnFTLEOpftasWsthx79TQUMUUiK4V2bng_0L6GX1HmoEyHmuE_7j8nHoP0PtStgDrj6jaFN8yRP2QKi9N9v7_w7BaJqQOeRkoymBe1BqIwyXat3qAQrbP9tpyPh0a0H3HRdzs3GqPlWn9nuOfyiY8LjS.yGUunouCsY8bumcmkbKnVW8jIInEIB2H2zOgEBOV.AwAivbiFRHRf5nbDX0gCTHPe4YmseyJOEXMx45KAde2GqzfEShvgev_WJs9GQJcIQgsfKhwbU3eiMK1LoSGA5R4IcJq7gRKXhwSDo56qWesfDcX6rQgm12P_NsPQf5hrkWCYf6Q5W52affncCc5ggevbGcLZh_NILoM9.ncTfzxbaan_B1BScv3Y2F3Vnp63HA2_X4T7kSLah36Y.mgDw6O7gOY_wM4yKRZEePPsDYpUW2XvatPwUpRhSCu.QW0tT3nh.SmLu8kH3uHd03y2U6tH7p1BGeRljv8M8i39h4JQe9qHnerFSa7B3mn7zFi9JXgi7A0bnaZHQLSKm91P6uY7cLb3ZMUCM2g7e1VEZCGl01jVvblZO01IX60qgphDyITk0XfFqk2iFgZEnXnoaJI1xAkQ_Ipup.W33B1OMZStCv0nPf6e_bNl0rs4K1crBQZLlwJrpiPOr8FbbS.lk_7OxM9cjdfFnlePLFtmIV.OdzYWlcRp7ggD19cXGB2CdTQ1CU2JZTuSJ4dSgS3fl02stymOzouoTF_MOlq4f3BPfIIyk4Jem8oXqzYHIbInSXifkFrSI6Yi9iGcJtzhXze13okIQx0hMHqAuVSTzMoDABRzcu0A6exjugnZAVK1YLWnrqyfV_FUJC2xnHrI6u1.YYFjVFfCiXFHqtrBEUexaHmHrPEMUDAq6bbxBuHaHvgsQJ2g3agh8ZfpXlVgB_hPCqHyGS5DQnaWdLBri0Qlxi8669m3FqkJfO69JFlmM0B71qQVEG9VHhI6Dkocu8_JKaTwEeEAdCZdskxksY81BTxK3U2xxTL_jsaclx47R.XysCwjW_sc7IxW6CCmYtHEcuiPVuMzl8qmtoH3OkEtdrc5FS6C1kf2JnsVMoKsV_04voiavLA74zKmO6sNBHm0XkKKlWcnsnRBLqFJPIm1DEphbabvJUiltEbvHF2ILJBQns6.Va5ve5Nk61yXjsCzKuSqo.Myd29G5RQQA41lUZ4E8Q6RJaPlPTK9aYRZzX6iy1NnA9czJ.WGIEsqIsHcuhJGNdfzJWfR8pDJCPBMnLpDmsmRAkhC7jFemM08JAfP5wN7KjvOu7UjFNmbSUkrhsKnjqgVhzyIQO7ozEFMFXBp3KJzTFT3Uv0XAAR_Pf_GC0K9pGyiTekkJbZeBjnMYiDzqk4gcbPRhitIAlhpySoeaAMgJGUScxdbcB5jbJCzfWZU6IVwH2AcbZ_1sT1RHRHk.6lbFzQpdPzqfM0HaAZvXffFfIt_O6ZZ7QNEfVSk6qa3ZWvh",mdrd: "FgsdDn1Sl5iwDcz.5tyFzWH1OCoS7vIbGmJBv_qLTMQ-1739427124-1.2.1.1-WcC.MyZGwLd1eRwNui5InT8gSxhEHDT6DdozIEmbGW0_7twR93CfmLiCURC1jO0YchNhx4xqTPIJCzYsTSSRpQO9hIZMQ4sLizlpQmYukZ3bIMgYmCtqlW9lFq0nz4yQy8fTJubFE427F5jex.qwP2WPv4rAIlkjdwOgx4vQmt.wAIj9XlfWRQrAMX8zDHe92AhWt9oiHgoVh0vder7HOIn_5EwVLAnfrjV8WVfoEOlWGGvV.WKzUtoBGQZImzmiWDzGBrxFzjnhb3CTLw.wV_emiFDd.nP.Ep9ymb_qAWqnFKwn0k6DEgxNL8K3.D2cWP4Anh1yFJTcgHIDCdQTJVNSLQ.Ws0UE0l_azV080Zm3srODF9hbIGy2EcLMhUAE1LhHZ5LkIba4qNpR8Lohs10qRUloymK9tTcBVmjHoGE9FpurCwFW5AhnBi0ul1EmGC4JWg4fqh2FlxiwMRv1ofOqTz2IzLlWb7lQp3YdP9UBtUy3aZC8X4YPBNlLK3PK0YP.bDzHfbV8nfb.XfxC7mV00gsl.1c6K65.JwrJmX4Q.csa47q0zjeO9Q710Ct6U4wYqBqWq6xRKA.cbVmFUN16CgOFzndz8wpmKz.Sq7AS5ClfRHtjLmFr9oQaw4MTKDge8r4A4EqLLZvmwNwo9dRAt3UY2juOpCrJY4L4YDrvdAN7pfT1Xm46jZf8Qwgd19BEeE1v7eqWfjCgiV6Sd4cADA_sJ5cELP7Hd.EPntqNGnnrddqvxZ838K.HJCYaTa2k5NaCQUIlg9UcdFujILEuyu2D2asuGhNMvv4jTieTOMouBz.1sci1M_3ljB0u1tBxCqn548UHn1O7sXAFRySrCosaQRxIlHtbrL3K9lMGlUZvTvzzvik3IIX8ODBX6BGXtHcwhG.fHL4lpNbrxmvaNYyuy4qVyIe8c4GJF.iTeu2rKmRtcK74Dmqvmy58RkJXpVxNEMntgU0wzItRYQSNQCQgC9m5UOu5fluk7HSQMETbhJZl7mtNTMYd80PCuddwFlYVJ1A5B3d6hP8qD01e.JOoqtuXTXvbfp2oMv9wu_gGLt32u9wRejFMYbRi1mwE9wNjj5AYxTPWNVrXP5f3dKhnK5laBWcw7qlv5g861EH_FN_R0wHb0n6x4GHPUTF0QuRDd.lFt8sHfHWz5OSl7_apSylwV3pRPkMaJz0HvTakuKJYSoRMegqwURwrHomYQYVyYvVE3_PF3e2mWaU7bIxOANIa6Kqgm9XAY7xHUiCOBkdDbJr9TPh2O.noOl3tHLsE7AR64isQ2UY275ysE7ACNrhkI9bvRQdzqfd1WyPtMhy_k.Nphl9VucGIW794PHn84A82ZvWGouI8yhsedUAd_cQHdGJaPYed7Ov5k7zWUfMLh7RQSA_2Bzb6tmrJslMvRVioa7NfQtJC3Ekgb3xJ7JCFOpxZRUY_pq57lJB67JorDK9FU1M68d.V6FWUx0VMbRyJQ8W6c.cKRLtUCtii55MGp54ARSuNdBzKxxRZ17D.oul5v3qoUIXjWcs05sj57kLADv6SgCcxYs12zL.C3Wf5bAQp04jJzIKWS4BmA4VrNmhuc4ZLxlbQof8m1_xWl6AUhVjjtDBq1McCifPl8pVhQalsGQJ4L8HJnXVH365RaKdLEkTAPk4qrXeLZl2iGHuS1oDMQXf7ql1F553dbOwVwP6irne59yJ9hRe.DYSYyucfyILxJHdEAUo3dPw6gZIYltmxb_y6WAsq9.aY96vi7k0Mx8qrVPgsPWvLcHvs.RTbtGtJeOi.nNNlTzTfNco1OT4HgToT45OqzWFxU.u6GoHFs3JAEXMMZd669GuPfSXKiOrqsiz_"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=9112aa26e8b105ef';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\/3465709812?__cf_chl_rt_tk=3O26.amEDQad7df1u5Nxh6lxuO9JboH3pAQ0auA4fsc-1739427124-1.0.1.1-336PDLNfgOxHMLygBJc_geKRWbuLJq57T0MZTgNzl5Q" + 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