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-311886578453.mit-edu.top/post/2836749015

  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-311886578453.mit-edu.top",cType: 'managed',cRay: '90fcf3985eda28a8',cH: 'yn5Y7PJTQfr3q_g3QIAR9N1bmHMLYrT9d9G3Z9IT9y4-1739199445-1.2.1.1-JmTVlhlWW0LUIVLh3FfmLg47iwjuQWDbhBgiVOqfdNgoWZCSMzeyux35h.4zetx9',cUPMDTk: "\/post\/2836749015?__cf_chl_tk=1MfaIoxvPjxOa8hPlOzhoBmY6oInjusb5gwQlz_jJzg-1739199445-1.0.1.1-wh5U7CbH7zqCy4UiPsuiajd2ZvkNNRTrNNM7MI02Xm8",cFPWv: 'g',cITimeS: '1739199445',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/2836749015?__cf_chl_f_tk=1MfaIoxvPjxOa8hPlOzhoBmY6oInjusb5gwQlz_jJzg-1739199445-1.0.1.1-wh5U7CbH7zqCy4UiPsuiajd2ZvkNNRTrNNM7MI02Xm8",md: "sjw_TAJbqLr6xFrTIfqqe7fWSzQs3iP_7rl5V9I9a2Q-1739199445-1.2.1.1-MygSZQHIsqveNDcmUymOTuHh3FQJa_rpKTQRC_fcagU0ZTgDhEPH1yVbq3Wo52z65HSOUpJ5zX3EXTc7MPXIUsNTHE530h6dNXBT4vKRkKZwnXA7SbCdcrPy86bvSAI6JXwAjjvOkMxUu67s2cUw0q6g2Wc5Liq4WdZK2Anxbbf_.ee9Zic7o_IFB1ziJhy3rmRjq4rbQZH_PHhhsntj6YwBTLhpTJtgIq3Jv_UN0DcgvE_q6lp_.pK2H9ML5kkofpOUd6Xwctd4Yxr6VjFRTBFLcuNfHYIfUFw4fxoqY0VmXg5WLUWgf6EV_rgc4vDnp_yBQ_n7QTdnyGmOlRCUCsykDw0lvK9IFrm.E9xW0ElLWu7XAaH9z9Kt39V0zjm_fvPyBWRpNbPSKJwiksBUlU90FAAJS6t.ibTzdgr8dRCXbAicOfE.z0ghiqhUf8KC0VD6nMa.gOOr5P9KQqBkwTp9GMb77.p98jdzvfhfskQbT72qYEAGHz7l0twXB_Ie4_HKMMA4ab7OZIlmCOzl3odtPdglo1jMZytHgADWtmo_yL2vJn10iblI8eSHc3rubeBJf.MyR.c3C3r9ZzQlIvapqOzdyzRLrSIGd5cSjwbPEdGkpHMWIpwXTLptQDnm5UpUYN8ZO7OByCkXeHNHUBruzhrmJ3beQeCT6BQWyNZc.7wtn5hVkAqm8hlcaIO8UYde1kSRyGTIT2qONWcEuQZ4wsfjoHZo82NvQoM669pP1B6IZFKsQ4c4GnU0dE3Nu8A2lXbhkhhRfSFYgpdzlqd_NeJ5b3y_OwkMXxnpiqpVciGW6EhjDfmm9texHpVBeoqvuD.tf.UkV.ar2Gv1gYB6KpmkTQHHDdzhDLvXq8c6XXA8.j7zpLQSWy.kwyth3VmKA8LObRoearx6ejLCD7dwqKmhYriOx7T7MnN1KXyyWzCWH2d6WztHcDU5.OlJ4cWikDnPRgDe11sImd1ErNwKGssmER0n3FHAzvUrsDWnxtBuvz6my1oPH1g5SxUecodLl_mSvdVzqJlIdE9a9PbiMdp.Knh_ieoVfSKXb5A5x.9qklo5NPkjQM5j.2EKDl.gcwbTt_.GF9lA9Q14MTKnNEVEJebr.irNtCwHNrtYvXU3v1Dn_3vFd.N0XJB0YCTeigNyv.jPt61o7cY1.emMEYOfcTHlZtljkuAlXf2ub3W33m79jgV7g8Y2yjCbLy63NNIu5gtB3DQWfEZegq1HjchbRKCeXdjfka6amO4FnIdQ1DtJ7mMzeUByIso4R0rOWpmbrlwdugTL_Vkx7NoIYFyzrxAgOSuAmgz8m7pr0_Fl3cqmvHTRcwo9s.L3AB8HG3d.bLcByGY1zapnoir8htp9L._4X1mxAdAtlQVkD_zu07VG3g54Ec7RX5h7vxYJUKhgbDiUyYGagSAoRqCTiuKzjLPRMWcGpQECOJ8y8u6WGodD8E85fblCRUvHoNYgKIkT.60GKrqBcUU4RCme1dLIV9l2hkqF26u2na2jnWbNbrOk9b0I5eth1UNGwRArW_88Ea6tESkPEPdsXUNmA.0vFGK0Q_1InJREIjc84fTVegZAUQwEMqP2zphGDFVN1fmRpLhqf1JH7cnEeTYhpRfGT1h59bi0.d91WOHtmTvRk3s1AertxWxhFwyZNTyyKx25iu9zD1hoRzLDv0P66TdhsREBSqmybNjNscMYEinEcNNjUCe_EAev3PQv24EQxRv6Pz34yvU4PZquIkAQrkg9EU2AEhNipdjEhJXQK8JyTfuilT39L.Ke0Qe5z3ukWN17.4XErevNntlXVQljSC4SUiLbfwahpd_2PRgW87fUMCmBsJhBvB4nUUiQqYUOxIDE30VTwVQcj1GyCcQxSx.3Cy.8KJGR8r4u2xkxnaoRC75V7WIZp4NkLPJxXju4JO5oHrFUI8bzM.JUCCMpGHi.etRm9iyTVOKiJjLhpgvZhSy_W7cMMdOmANKnX8Wap6LPkblczpFWNJe6Az.8lja5noPkd0FsYhkRO2bAkLZYsy5lGBEpqcbnKLfR0ijSCOQJTGjxG9vWcLxFrpXjSwxsCU0JpXKe.LKgYW.7FARiweR4iltQ8uKmReRsQJdQdyGsFuWUGM6nq1MGPTLiK0L1hyi.8mXAUkSmajAehjV8WZ1ipK2xf6_DoTOyaRBjL.EmCUswGydM.kmf5_6l89xLRo51HHSxapxI.WcfGKoIM0R4SzcaOud82T3H",mdrd: "JBXwBs9Ija4tnfwJFV0uI14mxKqz8p9V4AgYBCQ_WpU-1739199445-1.2.1.1-K2HS1MTW4RsDE3Vi10YzetAw04WTmSIhVGnCYthm5suUZJJvBSts.jPAn0NJXcc_JRis9IURAs4uHQcErY3z2EbCaqqoizssydtYWHxFUDWdavrfUTa.I7Pk5PlaD7xBqrNY1HWlGqGeeb1KDuIpSZ6tKUHzG2tiJU8xQC9zkZN8Gp.cDsWBkbDrrxbR_4N1Vrod1OfhqdLKC_o9zHyQIE01wvPdyr6QqIbjBpNH8gTo1.KNwElblKSI1MyqiGMws9A.afMFICz2YmfNS0oM6i1nrd8oihCMP6YB6Qc8nTq2P8XW39c4DEP6QGHc7iK0oaDpP3wQmAzgelHtB9SyCXb8aBjXA7lltUkbr6B8HvLGrEihtK0euXNG9SDvs8Zsue6FjPqtVO9Wp1JkPL.R.l_vfq1DwiDticb_kITUcI..w4w2_qbmfjkz0x8R7Iy0Bqllw1XYiBsP70MvHgrakWKgbwZS_WxbFq90yG905fYUObPeSO6weBkNVcRxlzX6hApveO0BAJ3sLk95b9ic3UfXC4JC9hlo04vU_aGTnrK7m.BnupdJX3K.k39xhHvVOoEvAro1R033mZF.ECIoz._UsIdJdYM4bePsSQ5mbh.bLiWYMLwTMtluEZ5p2C39Zft01K4MYqX_BaI.8usd1gtIsDgd6evujkC9gT9XCS0BTR7JgivmKZrEtTPObJSiUrlS8yv5xbUrd1VWIvq0SEB7GjCm2GqdnSKviWv_dEaTxBg5G7GXM0djgEDlLcNkAZq9uZZs6h9Jdn8h3dAkXmdu2pgPP.Fd31AcMeFTZPlS8GVpqPBzruEj6Jjx3kM7AN0GLQ0uVmeoGcQvhQ4bWuzqjs1k3WH5KsqMajTtuqb_FAusHIAZUox3X3ncUu7rYN84t5EOevnE4pJJWmrRJX5TeNZM4Gycyn05TnQ.hQ7uR_yO1q0lceSDuxxJyRc5oFAo6KnD2BNSJPc53Ivvv1wFsGAJJW39SNH8hZJ3s3dBf.abPLktqSL79rlChRe_kx15BiNzIB603ABlGtNQW2xe8lz8N8MLGvgNn104DVtujbfRi0cVhIvV3A7La6ZLrVh.IWffmQVlz39M6fcb.GQh3vgmZWEVs1fphoeFJBgs3KYrvegp8oiRcN5v2RrLrxKKzR0h7o_VSj8BZgh8unUPyCWlhqFrFpOmtXMRx7j5POoWrd8wCWanzMu57thPwaelU3tp8OvrQv7i4H9HfInJqmh89Y8_Aedvok6kJ_3CDh3wTpKsZXWevFY4nR0NNIf6VTkiFh6IS89wTAok6JwJS_xsB.swCE4eiRzxiJZaV1Hikr5PtjDvvToBNdTLnqSBJ.QVlBVig8BVjOb9TsxyzVkScLkUEOQzeXpmRTDOvbLklN5YZQUwEj.EwSPD374xS1F1FwA3BVeDYa9lQOun0KA_koqxBTvOnyMrxYG7NGGvfbW468bHaTRFOUGnqzW23tKco.z5MiKRl1PMG4yEv4j.nyRo0nVbah_8kXVvRGsvDeuVWk5ofdrZK2704kfVKplvG45EZt17.jhwF0alZvZlmXWoJy2AzSiUI6TvnNAjAj3tTLwmHQLUAH9mw9yXo2VAulsQEYgLEWFSd9Fq2mTr55IHTkP3gH3UgaNu325MunEERnlK9u4tnYbtF0J5gM9llyWb69pUVLLcaEJm3Y3fNovqV57XVo6ISNpivDu0BPqod_NXGiONrAvJLpfOnnZMvbAcALxL57HRnN_EqjTeOF0ANtyAEUkA76m9w2DKYviucQMcb4I2qQ6AVXPyZ0e_dhQYF3kZhmTMkqNfEvDq4nnGw1dV5mXPmX0"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90fcf3985eda28a8';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\/2836749015?__cf_chl_rt_tk=1MfaIoxvPjxOa8hPlOzhoBmY6oInjusb5gwQlz_jJzg-1739199445-1.0.1.1-wh5U7CbH7zqCy4UiPsuiajd2ZvkNNRTrNNM7MI02Xm8" + 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