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-162317011361.mit-edu.top/post/1549672083

  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-162317011361.mit-edu.top",cType: 'managed',cRay: '90faf3ab88162d1b',cH: 'u.N5ThthcrK2JT6WpwJHYcXz3AiG67xaxJ2orgSUPJk-1739178477-1.2.1.1-3lFuCslzfmRbZNbC0Dueecr19NiWdbH9FWB.jhacXXSmJmvTX7bmAXuzHTVcZbh9',cUPMDTk: "\/post\/1549672083?__cf_chl_tk=doFClMpBuwYsbH_qVlRiCzul15O.F4ERVYhx4nNAN7g-1739178477-1.0.1.1-GixA9DT86.8r8UbdVZBnvX4aBmd13MKiUgtjWXeImTA",cFPWv: 'g',cITimeS: '1739178477',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/1549672083?__cf_chl_f_tk=doFClMpBuwYsbH_qVlRiCzul15O.F4ERVYhx4nNAN7g-1739178477-1.0.1.1-GixA9DT86.8r8UbdVZBnvX4aBmd13MKiUgtjWXeImTA",md: "FPU7FWsQTe5k4bHl4_a6.2psYTCDYC2WUlNt27RKiIQ-1739178477-1.2.1.1-7sDzwdDOLTpA4ObBoLmCFKd9TTt3nPkfgKV04XD4S7AnA3oG8z82x.LQF5piqQMiyBfXK5aCHJzMDmrLoHE_qiM7XI2H.SKMMaAJZBLvKDeU1lNTLqUzYAyheJZFTg.EBK3ZbS09Q27uLEwc7hljId5sc9tLjEJonh_QL6QjUlBzO29Ee3n69Mdk15jWuTQrEgeUi4R1FAg5ve5gFx9LxKoCSeNsYK7SnmhRfNhEvT90HGLDAf4LoHDpOnv32ABbeAwSZlwO0pLvXbk6ISKJB..oYEAyQud.VXwJ2qPA6Ocd_Umm._8AqYuo2dj2WOslcX4P65NhUlye60nSYKsRVWxgHj8NO5zwB0.TZ0DBTYQwP80Qi9PqM3_9dc3Ow.3jRT1wb08ibHvJrmXWO0.gwdzvZ1I98_GcNuK7wmlw5f4NEjYw5pceW..4q.EipywfzsnRnle2W6oIDXt5.druZXgeVOGONXOh5UCuloXX4Z76RC.ehe1wjXwZh6m8uwwbEpG_XhSrCiZ3lCl7wejGitgHYpUWlO19S4enAeDOFqe9e4qx.5cZTHGL1oppCq6ODEaYYjW.4nC6W6L_BYF_j4SNhsAfNzOnkITQiB6svFKSrkRDy1yc80i9mGFo.Hb8ltzDRbAUdDLJAy4HiwVGvKqmxvDa1KPmsapYXxf0ztcQQxRMvY0xnm9JTjUBA4dX4ik4IbE2ZhF2aFDS2X49ksV1FXkhxO9JYejC0BQAV.uq0Tjhp2KaLaQuiPczhpyCRyS85rIp9Lnu0cCsPqDM7qw1MyWgbpYXh23dCxXLW_U1Vet9Z4B_AkD.8DG5mD7uLA8BwtwplYhLzFQHAqbIEgowQEeSYTLIEW0VG_7PvDFhMZXWipswT.cPgX2QPkoDblYqz5FKsNXWA8fxib5vJHlt_Zo89idCmj4lVr73jRAP8mK9KZAiw.zpJKZ5tzFj2vv_KPN2f.p7QcCZ1ZGIUVsjFppUx_cB.M6OVuL9qRQfVZpIhuD.ri4kBCXpEWfEnjNJaiDkXar3VkBoqQ9tCFx.u8oaSWB2c_eiwhJlsU6TLBmimWg0CNdwxs8SfSeghcQw8unyoL5NbLWJnj6Ta.Wzh5rs3qW6fHUFhTWwnBp1BWiGaUMilDFCzFAd5zzh7FzibouPGSrBBmtpxw7k81.ZA7UuzKjxqa3CvlSiHu15B3ECEvtU_2u85XwC4dDI8T15cz9Qp1.YuStKFWE6oC7Iot5VEBD7VE8JRT2ZEs7A1wLbWwilkN7perdA8xjNKYAJc75E_ycGClEcUlq2Uh1NRg_xqgTS5ISyV6s9eG3hEcSIC2HDqHbmw7n7XkPTpKit3N1EABqpXTFhl3v5dThEawQAOXOcXWu.TeCZiqUNiACOqzW0rEQ30Xf9mmOWza.ba2mHPxqF6W0tMMwXfkUWyu8KdVgzLdOXqTKZCHOHXXBw6fsoYUFz8GuLfnmdLCLyP40IimqsC0lkr60pr5BaDl41OPNAarwsibCOOj80azNsWTusPRxn7FQnAdnHfWrAN7gKRXBqb9mGtheMNLezbd9zeE2Ke86qoUXOCr_M.nDN.jKw.zG5bbkm5.fKCGzIAuj9yiOjc84TyFB4Dmy8PBDxl5Quv8YKJjeprSOwbI1Wni0M_PE0nLMaTjXTv_FTxMudBvlUpNwEzWloO8uKNs6gahgAIl3NnaUdoqqTYwThYXlC9RRvQvdd13DayYEg3DBkZYmYNPoI70Hdf0jVVpXnxF8B56mxL35PIIsfashf2raxVLiUT_.xYMTlefmcFgcPfX.T7RN9SSrF0RJqbS7y6htDln.DHGgl.CLbLEh2u5iUu8ZJ5LAIspv3O.pd0IIx3x0Mbwx4SFoEcE7XrvRFvI3yU7iZ5yFS0wGPkb2OPjRkEoR498z7bq.pf960BuSRWirkLYFk5kiPE.rDH7GYhsv0FjWbjt6ZCVYzURiuyJxfhMZoy3LqOdxvo2trGLjElneUXFz1hupnAljOdqbV._hkypp5O.tx8a88LXpPepm.8APqoiwdLltYReJqrj7CO72HjDAsE.ItxOCwqgjbE4DxMGmtQQGcTlg16cRfAOkcCWSt3JhI80MDpkTvk7.A5sZwgWRuRHGrZd7yBoAgdeF6OBXOBZiTJehbAxRJJmOO2WZa1ya2hiAcB2k.u2QxKPgFAM7gjjaz0PVNlOO4kGxFntcjuxmGiKN_hTmsJm7fQZYQ_4.nDXbr",mdrd: "vE7m9vh8jdTSvd_MzWQb4gqLfpwbIE8QDOuQ8isnObY-1739178477-1.2.1.1-8PcDrUfvUgm35QAv5JsJyshMFF_gnnwpfXqXufaMJi5vEh8grThX01PruYYrZWrmY1oo6Irf_JuuGYRtSKPaGe97IpzLLwWGGZCY8i2xoymXOqiNb2XdcPOIbWoBRzwacbPgx9HuRWkjOtHgkDlGPZCamsD2XtuwO6SCr0pRju5K04_tlF4zmdLjyayLqsCOd1UDYoVGfquWavcxzAxhC.ANXNV2xQBiyXQOUvvDjfaIbNj9Or88xer7m2TtXWT7A6mHqXUjXqwO_gsy7S1xlLmN5Yj54Kav5gmHEc4Z7Y1.wwZ5pBj3LrwkbjPQrxxwsVR5Gpomj6Xmojvb94O4YOHEBFMy.WaF1NIylbZSFqAQXcmtWtoJgDfhXLFY45235GSHa9QuC4ug5GyyyXUVd_zkB1RSmLCTpQHr9Wm.GkXdnh_LVsEYFelZ..We6R64mxcCwOJXhSSKrInFWHMeLATVV9XrmHPpmpzEL2Mpo4clvkLFBg6KsSAuSSrW9y5tm1obE.o.YB0FLuTX1YPdUn1Y8mq8Mp4Vlpmxp7a0GYb5p8Mejvwu.cHQH.RQ4OwuxY3yQ54eVxZiR.fJTE9XdUELc348bmERKjbS8IMqIdH.NkCWBCxJHm56IoCMGQ242BBtGZDyKUGdWWyLypND1s.5PY.1qYUS2bUxiaqiNgpPIPRMzKbpRkKk0gvNww3pxVceAap477xAuvw_WCDVgBTrKASrLaRv6ZDQ.rg6IySE6sBnzI6HVghv0tIy.15tFqDqk7P3XD6KeOwAhdCT3DuUJ7U9r9CQREC4C4B0up.XKax2Cn3tbzIDGyUSAMkvYdqihKI97OjkjXwc8yuYmZ7NAQt6DwXFH5jfZwkXPYhOx9Pug6bGN1SaMJvp5MU1SUbUfrqP8OV2UaVFU.i6qPBm2EFKLdYHtM6_8z3mUzi5gYnEIPfQ0w9c62Qc52ntVongftFPT2lRScjQV6v07AmyEsPoXze3cYLRi5boa_ZFCDiMPB1LP42UGPwTzklHvIRV_nxlnQyJD8uM5ProkrnNUS6IGhX5GTV.obsehwMpc4Gr5imTH95qyUsmsaADoGQEjMy5vX_WflEmbiA5hxqfhihWRewXuw16ivUIvKZCkgo2k5BRjS6rufSZPdeLcawwo2X_MANKzmfefpdXBF4e1oCzf5_F1SB2EFrigMb1L23ulhjWYKPqtng8L.lEiCDHr1FnyD2h5PewWoOQH9ny2Rd3TTtm.PJhG9yitS8.647v45uMCnvRHcRd6JeQNMTLEb_CTOAHuUuZEaZS5pQn97k_j63jZqV_bKFPjz6g9weRZQoCDnf37iTBGdHw_.fr9t4dXo6XbMDHCFHmEJzSLN.ufSmMXGjjSg9JA7Vt4GdFTl9ROrrgfbSFdrJyQ7VehQMafaEvnYUb3WY1XOrifz0.Q7uP_HNYCEFl_0LoFx2G0Jc8m8_W2th_tOuie93If2VeNH3k_JepPk8AOvhBpaELgts.0cidt2k7gH7bwf_KQZitXBS5c6d5nPmrgHLN7Ku9wopof.av.nNu1dQq9R55mgVr1xO5c3WSaNhxbJivJAUrn_qM.zQpnxeZ1ECvFBEr6yhSNapKED.vZGbdKPO0CZ6TvKZ0MDQq.8OsD684_xkSmpdlgnCr1P315EI2ygQulYLJqCRUGYtzr1qb9PUxk7JNNhPNqRkzzRaNsV0imixqhYtYI7Z96Vf3_IC5czSRhvLD6KHjAlvznNtEDgzjJOe7nmLlCEDmyUct3eeUQ8SSVbvtBT0GSjDnpSjhOjVo_uE2IFlxseWxiKPzFhOqw3xxoL2NAHQuUKc"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90faf3ab88162d1b';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\/1549672083?__cf_chl_rt_tk=doFClMpBuwYsbH_qVlRiCzul15O.F4ERVYhx4nNAN7g-1739178477-1.0.1.1-GixA9DT86.8r8UbdVZBnvX4aBmd13MKiUgtjWXeImTA" + 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