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-014337485277.mit-edu.top/post/0453896712

  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-014337485277.mit-edu.top",cType: 'managed',cRay: '9109df9ffab9e63b',cH: 'Mdl2M8EyX7QbDFsfeUGT.nvkT3PMfAeYiOP7Oe7FNI8-1739334942-1.2.1.1-5Qx4FNyqTgBdVe1mms7aRpoSAnck0cSN_uYfu46AvNDEkSg3sMNP0epQ_9EoQKHg',cUPMDTk: "\/post\/0453896712?__cf_chl_tk=gU4Rp4Ymwt1KRsj8yC9ndFoFwDR.f7IGuNYZut.g460-1739334942-1.0.1.1-SWVKObqc7DIJ940MVlRsyFHuAy7pMOr5pWe0yUmrYYo",cFPWv: 'g',cITimeS: '1739334942',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/0453896712?__cf_chl_f_tk=gU4Rp4Ymwt1KRsj8yC9ndFoFwDR.f7IGuNYZut.g460-1739334942-1.0.1.1-SWVKObqc7DIJ940MVlRsyFHuAy7pMOr5pWe0yUmrYYo",md: "dIzvAzlFHveqp89kTZZ48_1SF49nyHAi4bIFqLXF8LE-1739334942-1.2.1.1-PBw6ZmGcmqwLRmlDlYnyEM99RK168AF5jy0l05zAafPNDpuwXS93tHE2f4_GoQxVA5FwcAkdz.mZq_CSR7HEOiXnCQTKWJDTgtKVMj_57WCFXvtexzMT4aWKTHbMBADWHcG9CNkKKnjBIsYxAc8RnqWP9uUuRqwISAj5DkgowESgAiIyLBIMsiY40mlUdXgZ09Sp_8U3H6SMGde58MpsNIkscU7G_SJYpe55gysj7jJ2PUYDE0Bie75ZjqMOFJNIm1BiPR4w.WR_V23L26Z7Dy0wosurWv79quEdjAhXFi7rKMNL4Zty95dFySZ9fcYp6wlkNAw0t7cjJfzA88fs4FG6j9_dvnJ4t2e_TmixdIdRudrWb4KRgsLSBw0eBRtq9XDlnXcCEgS.FUPym0zH2vOsnbOtElOhCbMovXQ.DlrPIOc0HlSFmZqiZJNxS7lQ5dRvfBgIK5LC.ygD_C7RX5poRhUQu3DI1IFFYxl6hQm47em4Mzcp4dz8Lt57.JVtthqz_J.V2bdrhpjUmvbS__UNbqDZ_TzyzSjTuBkvYgp0.O3XfhnWea3ebYDrS_wjO8t1JxGHCgSef2YiE5pTic7aOdD4caa2h7mdWpdiO0SYKeP3z.8u8XD_Hqn1kIvClIMiTGExl0pnoGJh7xBCEnVNJ.ORYqs1IZIYBPI617I0KHNHkCu1ethM79NrF4brswTGl8CsLwr8xQQfwMDYyAzApmnKPZsh9L2nOROMdWYi.B4f.pbPnwv2TeF3Mr_Rz0LtH.6DDDRR8wBBaticIFqkG1j0WHYygYWK4fo7HnXFfDHbelPHQm_4VGlrBO_cXXwl8eANokDMGdL.qXiwl41YQBZyShQbkOlGnlGY3G3mCJETcH5m6dct1KKlvRFnM.1.MWXSdWQ02_UJ4cpSznXjsPc0DpkLzCv.UE9dsb9BGR5bcXTMu5anoxxzjSTdaAtFmllMbTwKzu4D7T7muyYmv5ZVB.W4.2yhyNRNY5uw1UhH1vnCnp6odzwfwxz1J9ugeKJ_Br.1J_zQDZ.k_h15dmQUySN3jh.IyUg1uxQO2B.mgyWmaeuQnRV07shmqjdFLildcl6Ze2wiUZ5bZr4Ac6K4tDDgbUxE3TKSg5.khwTawvAuHzC7lbaOAs94EL_J6bD3WepKcaSOuZcSSkbsvadwlEH0ihIZj15J41F3zdeR_yWHHNxr2pFpPdm4s_P8EXURzqpruldz6w9h4urxtOaLmkhf.jpb_gmdtRLzYFVtMOZCVbLmNVQ3rFSDnjNKV2LPANWwdFtA8R3WFV5F9mA4zCGmcNrxO7kPWm6FLF.K2ps8.S93gcejnqxTHmZr6NswZh9mqxnCnWB4BZiVDsALpAq7xmlKNQD6PvkASAANeGnnvdGPzIsoRWmFyEnZxEnNYfiyRhzZAeViTGzHNzCTX7P5sP83H9HWXjtBahMUXTe0DIhIfJF55K79B.E2JGlaF6n9hM4eNlqsLnp5eCt1jUc_phljBaRvxOHciSKIUkE2_BLVQN6C1n8MitRAAJhUy5TVatiF7.BH2sWPuc9KkUU.P3tDDf_8fb6RzBODdYhBpIWiFB1QTwhQUsSr.km5mAsyvAQrqQ7HZZuZXAnH.2hm2_KNYjk9RF.hRQ3UB3O2c68eL13W68urlQ7aiSH0GcrReGE5UMTwVcB1CT6j69naLHTkj4uS3KP38PIl7KCYA3jG14_mTDgeYKZTTlkTateZ3wORJ9VVi5Upq.OdnJxIhHzjEphJj4yJxk8BzweRhLFqd3qAwaUuUTen_V12Si8t_NohgWkHkUCPcXs2FFphUs8lbshnzTRPGXwDJuEAH_F2V5JVwc9UXN_RPC2LKVDRJzg7T9WApoiGnIX0ScQ4s.zBA39YbLoGZ_1YKD4syxc3FwI4qyIsNSNPjI4zibKzysiWT_K65D7KR1zxSiZ8jEahYXiza4XeD9wArwUJAHxIhzoM9t6Z8GPb.BqZ8wq7PNm8jgoD0ubYCOT.G7zvG8uTz9HZt2lm3_vpP23ZJfRhBhvgcXSn3VJkSfhqw.GutB5XOWlFxX_HXnpLO0DLyxuj0JTRepQHROpF7WYBByEc8eyytQrHmxtqx6LkYySTqxF2EhTYzjWux669cZTbDY45rVuYce7qoVm6P9SwdxTsfJJ0H.5OhqG7wvI.K3eL9YQXG1ZiN4Za1zZT5se_ce65E8QO8_ErGCZGXW4A5fhESAEoGUMM",mdrd: "5ROFlGpd.TLN5P7YTZroM4FD1bPgyXuE3LhwcAlWsB4-1739334942-1.2.1.1-Twy0LeV3ePQkLrPoebhnOvbCZckaWcRBpt8og9uAAxuKhdW_mFQHivwcjBrcHmZXbTegLuISvUC62gUl3fBcZh7JyhQcRk9efQ90FMcrE7fGedpa2VOs_7HxFf08fJm_G9XTkHTiBvATB9C7I6iNsEO0lzOGq4E5LoJ4jJgrJzvCePgzfBVJvtE8SwfRLqbvA.hgPCfqvmfCeYL4A1SaIkrn.ArEU__J9cOxViq1RLk0vL1ctu2qTdXiMvQBPEyaAFb9fTAvU4dI9x5BY4BcCGAM36k2T6hNpxz7Mw6Oa0gnfGqmS9V6ZEWkge9sfcF8x9T0PsIxoQ.31uSUEPcB633iaqSmTbTlUYYzda6jAEy65zoAxi2uAqOeOlU7eP0rFHPd8ETmyRbdSOdXGiMWES2gc.LN5xPc9ERvYHRRbT3gupR2LXf7Xv1Q0f641Fmdxkk498lNKhCf9g0zWMvoFJ4cCF0TGWrIZGBgIMdBdFIy4L5tV1Edx7V4W8gQVtT3p2cdFi.leUck.RL4bZRvOYMYh0Fo.Kw721tbyjShSh2bwaYHqm3s2pzvH.oHqLxc96Q6jkpRn1PrbM9Q.IGEwdZQZOSsnbU93CArO6Dd.ftPe0NhPoq.Yk5nZgTMkZwr1ecjy3UEjt.6129.pE0oKmLT3xOj7ShifAbO_FPdHmTzHPRjWNl4EL5C71kBd6r.zHR9z1yEfu6P6ygFjxl2XUVGzYNSKytADL3O4Lq6QRMi28nXAujH8GvWgPsVvhfGsVdR5Ns59LbJy8VFbfPPS8_EIXWGKILjWdMGLUJzXCWoA_iKilTr9.YvJQUrS_UPqjZMrxpdRbFAo2UfbSQh9F.x6eCSauY_9duC4XNGbQNRrzAM8ZWzYikKstwdkjZ1iC2BSVbHMvmuvwiY2Bu7Lu9Ko_9P6y9PuIs8YFLb40vX4By.k6TbpB1kw3NV36soQa8tezhlTP_slgzgUH7OKxgv2jXYt6A_ryOLJt2BaN0J0OLEZDrZaOTl_DkvgHI51RriF39gwagNMwm.o56Hf.ZUkfmIYI6yi2asm9BaQIXMpmHBctrm0IGr2FSuvhwmef3nBQfehWdTX8_hKj4222Q1gzkYYT0bjWa520_Xy9pqVKV.cSU2g5jAVhfIIi833HCUicEyApkC2H.eOxD16vosy4g5mxfBU.D6n1N5BDTFlvQQI2bMswyQEzmX6Bp4au652SpxB5sEqRRc5lL80AA.rZ.Uv1ojxzXCYjpDyV53Gi3Pi268MGqNoi.DRYUxFVK_H16RKElUKP2sngC09jsqpu4Qc1o4ldfFNagQsEYdxHEt5bJUXrUdml3wgOfXFvWkQa8ntXATWH78eBS5R.DtyTzrcV6fakI5T1z2PKC5vrQRhJRGs7noXfk.9JSJYCq2LIicxr6kbHk7jYkE4KtD5NVtIzWwbP5BpNvkzJB5aHH6TXyV_vzGRno6alZrcBgK2N.19hKC41a4grPbD3YvzMjMXlKP4YxuZ5xsuaI.9pKzrYAXpC18TIwvJhtd9maMjeQ0uzKgWSu5It2XFLEMKCWjMAHk1LCsZlQ0nLvQIM8Qzmgrye9aFJdLawLDtozyPd5sUNhKJGntOxJa7bZzoZnpI40XR7pGmeuN6eeI6fapk70j7xr.DWPZxtaWq_XD.RI12Gc8Sri24E50t35rflxGmn0E7mo7fMEft_.E4cN_4909TWrqFsb42diq0TiZqgLNKcaExkM5Q8wDAoHbRIeB_HWkM2BTZe._nxH5AvFDkvp.bmtLCJkFKwnkeaVs9tTEAUbT9aBerUkhclNfEnjHt0upNWa5iUFoY8g"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=9109df9ffab9e63b';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\/0453896712?__cf_chl_rt_tk=gU4Rp4Ymwt1KRsj8yC9ndFoFwDR.f7IGuNYZut.g460-1739334942-1.0.1.1-SWVKObqc7DIJ940MVlRsyFHuAy7pMOr5pWe0yUmrYYo" + 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