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-affyq6hks.mit-edu.top/post/0578293641

  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-affyq6hks.mit-edu.top",cType: 'managed',cRay: '90fce0582811c96f',cH: 'koemVofNj0vGEHKBoxdcs_etcL7ofqhQBtk31Vp.Hcs-1739198657-1.2.1.1-0UPg62mmQX1S0TF8oNOcFOGfCTcAYdHhzkzAxayyZKI9UTej4eKHFjotXj.DYy35',cUPMDTk: "\/post\/0578293641?__cf_chl_tk=oKm0LgqKhXag3qu83QwJdErBtzaJpk6mqXl12PO86a8-1739198657-1.0.1.1-G94TdfNxxIuJIHKSx8VrnrIE6CHOMCq9x26LNfB60pM",cFPWv: 'g',cITimeS: '1739198657',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/0578293641?__cf_chl_f_tk=oKm0LgqKhXag3qu83QwJdErBtzaJpk6mqXl12PO86a8-1739198657-1.0.1.1-G94TdfNxxIuJIHKSx8VrnrIE6CHOMCq9x26LNfB60pM",md: "gpXPGunIJ_atqssBmc5L6EvB3Jw8i5wbKkcf.fEDB8c-1739198657-1.2.1.1-gPjSUwL2on29HRS7fmmqu1lnlYPWyHHI829FNL3lEVJP_wFSHDsUvpZH2_Tm.3DzdY3OtIBNhT55woZ08CnV7Ope88gnCZkbEU.HsqgF.v17xrQOsLe17pARA5Dpx0bslZB05CQ6x.yi5pOHzYTNJ82Vh1NmIGLTnIN2ylYz7l0jlkoSJAeK9W1zg959a4bKpzUDj7_yV6gQur9blVtSo2o2j3_AJC5uIIdTqORFn8My3kJTsh5b20KXnO3qE2uYnGyYdqVv3xda34AauxGsKfBnPUtARF0560YuRCTMqJh_zgLXTPWFP3rfcbCU3PLmHkY8qh0iPQbFG9tyTjHExBvcxcwAZbT25XgR1nbMDYoUQGkZqii3o_nwCP5Vcxsx6X2j3X4Nv8CwXBGhCiEbUq_Yz3OSAX0c5vhf..klT0VZ515HaB980cdlM2VQ1nDif0_DrDgIsvOTIv0q3T3O_mjQdSt4.TJWX6c6s7lCcP7Qqb8u7rlRJkG9BPueNHgvCtXnhRO6L6scLQtG2mRrbg6ceTBT48XvsjzLSFP7HvZD84EiK17F2Qahbp2wmUDoFCWGHmO97q0BuuO4s9aLEUZIA9vJyUE.QQiOyvDm7Mko2D1gpcw8ktvDGhUbxWri8HRSvVcGh0FJ3iDmfyha6ZyjHDQ0qA0UeC9G0SrflKJ6F1dLVE1fJU9O8Ai3dWo8k4LbLm5AS_Kb4FVyvsmNsadz5jmg85rfCsmRCv3EFO58xOZnP2bXId0MTOtoeVLblGhqrDhG1XGd972b.gs4Wj54ZIEEqxZZI2Hmubc4pj7MlL6o5UkHWSr3XlVh3ax_liCj60DHla._tqzv2CVvKAq3utHgp7SMyi1nL6MM6DDANs7uYRwvPX2IqEWaB2iL_X3cShjOrqhSadq5JC_pQmF7AS5CCxqzLxU23PRvIOH.URCPa_CR1ogzkp.aOh1Hm2ulHXUSCKKjAOl7a6nLc9F0rmNj_T6vbGdPsMqCWpjfw.HC.g.AjVPkvSMlEluHNBTGJFjRDJ.FUMW4DjRtZMfnZjOVigc4LwAM08UCMnErLOhxyLxaPxfUcLS1jbnSHo5AZna0pMKaFFX0BxpE_gNK8syrZD4gN0a4qwbfEkoz0rkIwRV8o_hbw9YRL2XfBlWUpE3PkCKTYih9pQWHRXGmDY1VfM7fvYH9H4H94SUIEi5KQB6iUsSOwwF5tuk1YurEefMkv5qQ7jYiJjTPsBhOjj2yjjmIPJPIIWkuH3XeY7gYGQwbqAd7Ic6PmLZ89ruGRNo03mp_ekWgPXOmLuER7xFIBWSJdvDCPh8Y1j0iP2c0ABF3VoHzHzrdnstR3a6k5QxqaaGs4tkbi4XqC_SyUYo3HqvnqvTcnKuh3t6NrWNK0_.j4mf8HyYhucBJqQoMeQnvT4arSckDiqRmBun.RtFoVu0Nb.d1GTSZ3kII02NLdk1QM_Y6qlpvFhwYBPAiNZCyUt06562rz6RG4Jhp23h1yYKCm4ThHnZxCRmjWvX56yL2Cozt8M8AxzJvgtvWGtk_Qr107d7E_lJ7Ey1.5FqvInjmo7IBdpJjhOQ4JgIFV3CAboASUjMtoDvxgl1xkFjEyPtuhmj4DVCrkURLS6MDFHPKOez2ZJVMvb8gbtpCO32HKdLJCnWsM0fMPLSHGhSCcPodl2roQiVqU686wdiCgbkQTR2qNuBTDDb5ysUqe.xHM_I8SHcIrUuvydL84KeSDhjgJmUkkHVEyRGSdMhBiMtzydgQcRLybE5O9a.xTbN13zeNPkJg5qhtfN1X44xeyUQm6SjRwse0bELyqLa0vJEgOgtN1oHaj7rGVWw4l5AHJq.rBZwpmzN.SKvz7er_SFmle8bowUrGeoDskOmz7z.AyHIXYmKm7XUx4tWN5j45kzVEupC75fKc_0VuTd1t53n2sMDr3BgJdmfEc7GDRca9KphLOZyPY3GQ6pD5qnKg5YLnRZVFrAtRERhKY4woCOJWSeORTNTPRdtyhwr57yZcGKfZXBg1hdC2FISXGd55Z6UK8ARepGuSADGnCyzJu4OHfoClamwivC4QFO7pAox5.OypBjivXLV3REXlkUDmPWqYqa8b.eUqv.S6z1ujAkNfRaE21iHGmPw6wTW42c01iutyx3UECsJrcinYyhiGoE2fjnB7wO.f8B36TIIwVnkAxz9oMZJj6Y9jrOub5er9SeCv11vxi5SoYRxmkKy07igEONKwUhdV",mdrd: "h8vI2d8iV9L3kXoGKiBkvOEpkASLWgDdfnVuu1WlfPI-1739198657-1.2.1.1-5Zpg4Lw9vAJ3K.UoMNeIg5jQqeqF6uawc04YO.hJtGqH7ItmmYCN9Xwd1vXL_qR6AmLkufcG6gy_W.4iwnARbmr7iZ4spsSPajdPC9QZWjZhoozRVMwHWIr.HfdmAQhZWAdE6FpoFMrlcZLmJHhjPzR6RJAKYW8iRp5UAzkb9H8_w6HcHywwnYoozngn6tAle2jSKnqbTGg53fBg0EY3ikcakpDPfjHxi52Sed40Z3urxWvX81qMDB7eRUUDEE6GpCIE4mCT87u3s52Ayaca9DrNwqvM42T0qyXlVDb_SlcGyNyVsY_trzJXkPMbkdrd2lcTWArEybL_XKdqdBEZ7Yr2nNHoACFr5AgNSEanyhWYTtBf5dXUv5opWRdws6rY3dgD0R0h5trVA8oau8vxW0nm0kLR5bTZQEooMEeub9XkBbEUCkmZn17RO5Ez4A2PCMBpeLZQnSFZNmrI_cOt8S69RVXvpeX.mJ7BqNQDCLNrO9KBzGzg_wQRKbqVKdqztTSPjTq1buPJ_axIXIZbCUjYWBZAJ365zrhkXqfRHBhlcgfQnKLpHseo4HNCeRy5EEZ0M3D9ZObbc91YeRvt_Kfz73yqAv8j9cfj.5xvTocsqLdUPwP9iksrXB0r5V3VNJNLAXfbQx8FmfnHecEaBaR5oyJ6Jj0fpSTm7fLPlmdchkmHEMQt8SRaPXPWbUKBbiiok.gl3EI37D4KXfZyN1Z6TlsKsKZitDy1xaur11bQOpugMp4Wz6fAqoPc_DsZT6Qs4j7xCYaerG6UN6Zn8w3DaOffh0ELzT7OoQP6xbrYwKBibL3dv_LifCuISEypblDgRfG1vsf4b..GDk8JFdrHkO7nSnhiOqsQRubFpL140AriEWxHpb9jjgm9r6BdvU5koCcjI.Eug7Qa_88KXxPHhNM9Xgt04cNXGP8ExfNljsIk.s3ZhBydg0JD45iapjuXnOxX2.9JvAKtJNPkl1IAW8ibiVGrViz58bdO8qDelRw3yC8V97OsDZY0F1Igd_7FrqqfrsiNRDfAj350NmLPYriQBDLn62KyHZ2vuWk4gXzWbXqh.i9C.WZAS73y0SKn3YzxP9jTS5ZTpZVC3v2wlxeM5VWlYJiS6cZTNvTniCb5m5LzG_NhvQkOLMWYjFwCZMioNZVtBKXiVP6pVTHI4iKY3dmj1jjcTK7bl_UqzGc7u2ix3kzqGzTEhMQ.8FKJTFTWbCSx0VSoFQcPt.5VHDH6A4utH3G64RCViDVuZvilsc0ZwRqChs1kRZ60CMIh3WjJ8v9nSu8SGGqd3eY4LCQ57jPRsPkgs9l7GqNbdJMzm5AGIo4yx_CIY0xONjDVXu9osj1dug.jg0yfbN55YNkTWy3CgH8b53Dog_U6o99E3bdaWYw_nWnGE6wVVwI9jlS7SbRsziSPNbPGyy5enZD.3m9vY5fq3H2kjGnPb6X73TmBxJpuv3bS3_ZK1uJUTnWSISyA7eOhQhmnymOBsNU_BcB.iPSM1.T3bEqkBgD6TJ3_m8l_tnzdm6KiA.DbnpWWeumA22t.LBOEdsho7dHMmqJoMgcSuYYOd_9TRZMqv06qRipSEwPdbmuh3g5sgvLoL0coc4yDPPoRlihipFGllw_M7614eg2_e.gT06F5rbOwyJllFu276XvpyNqkiVNR5MT1QSk.sLUjPpaSRJ0FSabYR9LwmYUcptFMcoMSDVnAznK4Fv_ZqmsGo7kC6CdXdu4MQYHtTK4FHkY6aXxu98_VBv3lblUW47g0bi9WnF0v26q.oG2AwEAQHwnEs4pS9030ArYh23pw9w"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90fce0582811c96f';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\/0578293641?__cf_chl_rt_tk=oKm0LgqKhXag3qu83QwJdErBtzaJpk6mqXl12PO86a8-1739198657-1.0.1.1-G94TdfNxxIuJIHKSx8VrnrIE6CHOMCq9x26LNfB60pM" + 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