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-199674063018.mit-edu.top/post/3692107854

  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-199674063018.mit-edu.top",cType: 'managed',cRay: '90f376b378df6fda',cH: 'zjvY5UwDl612vyPhKB4te0tqVH8VddUbQ1T9BAkfiGg-1739099958-1.2.1.1-07HIW6k0pww2ezao3vSR7KOL7sVKOXJybd.5sWZg6L_4Uu8BgLQyhNNbtzuktqcO',cUPMDTk: "\/post\/3692107854?__cf_chl_tk=EJYn4phV3Pp0ryx4cLUF.wosQF_O82plNR517_30cFw-1739099958-1.0.1.1-_QS7Itp2ghVwdih.OtniSkIpZ48ImMOlbX15KRm4_ts",cFPWv: 'g',cITimeS: '1739099958',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/3692107854?__cf_chl_f_tk=EJYn4phV3Pp0ryx4cLUF.wosQF_O82plNR517_30cFw-1739099958-1.0.1.1-_QS7Itp2ghVwdih.OtniSkIpZ48ImMOlbX15KRm4_ts",md: "q7AXsROjPrqCK6jDN5Tfv5x7S3ZZy3SH_SAFLSyi4is-1739099958-1.2.1.1-wcl0qc7qw.AdQU.BjiJ.4N05NqAH9JW9Otj51GdCAqSykvLKQ7tg2Cs_c_YjqH38UfTT21xOGOuDVb.gkDBetdBchqawtBKsDfY5E40i2XdWArTJcZDGP.JEDSHRFpC_fe10UYnvIG7oLABeLOWigJPN1fQlud0ogaAnedkM23v3dXyIGDapqxQCgA2s.l5vOUZoYfG7KpbXWLUQzML5ccGq0SChdVABmlKanCbNj46Aw.EFd0Ernw1lpTEv45K7kjHFr4nsXetWPVuAQaaRNOA0Cq0phsqCEKX5.UcDFnDbdaZfBG9QcUz95TZnaPOgT6YvCbnboou0hOLni7W35YZRWztV0zxJdIcjUTkgNO.Qu8oFUUVBRGaiygJuvqQvGGSHesku5rAaPuVCbTjXvtkd3HsX3nYMqeJO6bxrBsrUYc83WdQszn2a1pdmo7kkyvjgP8sDu79WQyTq_f.bheOH.q.7CzbPzqH5i.x7Bk8NM1k2cj7i3q3Gh45qSE0iZfRFbtzpwvMcIghgWG6Enonk2FmGwn6QYmB5iASRvu1_RFKqdJUjU1fF3WzLRKqRpd5bDFHpUGnVb7Y5z0_H_BPQCEiXHk9581ZW11S4LUV7ujtcpWlRtNJ5HJSClfBgU34XCBvo6TwBmpPG2FP_0cR_bLMWaIpKfWS_0hlNlWD403d9Z2GRadAqEFwk_oz9_GmhdI9p6GyZSA_1XfmpzGeEzzLvwEFicE27H59A0iQM5anqgaBpuAKNpR649oMUPTSCfA3Od9Zmnbk6dxMiLXedIUxsXfNBkKGCXSNMi4XYVENNSdI0ku_aKF2bxurJRF8LCDcUtMzP9hfYK5uK2Ynte.bgS8aSFsj3_erFD97X9t_QFo5VBbg9wVG9gbYEeYMEz_G5C9EV7Y2JlmqvUl5Kmlv3uXrMl0CKg6kHMfU_Gb_TGEIodT917pTNBPoxGa6qges9ukUoIMzXXcSrzTIA7g.kVT_je3LLVCvvHd2IsWwWKAXHhMSQrl54bQ.D9wRESWwgr5jyBJ4HDs1ZsToz33Nppk9BNFiLvsojnN5nevGm8mdLO6pdLTHGNstTseflHbYyr8uIMa8PXOiBU6u5M42pBqWU6TDH21adv7AdkQkTj4Sq4983nQMJ1KV1MQCIZyY38ig3dJ8SPUD8XfaBcTloHI1r2O2Zahs.slCPKcjNMP4GcJqWL0A1mV.OI_0sLP1Iw_VAWxsa_FLUU0EzQRCTVbiYXB62wtvAQ28iZkgq2HmOwlN.Z0qqkJQzcVnRMu4AsklJ0wpMRgKNNGofftjOpLnZvDVR_BMiET8OVjhR.ulq5MXhnpzRi71SpIEYLcMF_QDPm48ornXS07sOhRVFfq79CDNG6j.dLXq3SD_ZhPQ5sRinWK55jFC8RR_Y7N9BulLCTnsRrguBG4T5UvpjkGM1VHwkXBV0JUzCU.aiic1mD68DH1L3i9EFLj9dT.xs_nfdnyJjMgoK9JHq0NKAKMTZJAH51iytKHlz8xHkLRZacQ4oIn8exiGjVaPoZgZ.V4UVn9BCU.Okz8tAcSzpJs89UNIl9qxnfvCWiiQI.zH6ZMBQJCDxR45TxOjGfpiUNNGx9irYL9LAzBRngBrpyFFhbArdn.mc9imypirPsFj9JSJUx_2cCm244o7BHmEdIlNewmQUZ71NhhAhH8ngXXivAd6c.0faDHS0BM5cLe62JbBaI9OM5Uu.jVlINkTMx6dgUmtyHg9kzdW79JdsXwbpoA3iZtUgjcSzelu5tEfitwzKp9F6Sz3o6iY.faNvHkHAziCjGJXbWmctQVX8Lbl5Ko2m5pShNSFKMdtFEiK4xmlPl_mVkJlmLAgwettOZx_1duhlw2.ROkFi6M50mXS3hDm3QraKZSapRG9gL0dbcvqVqfc.pD6Kz_kBp79tobhNEvuMrusB_sqbJHFwx2miEbo5N9v1TXlJtCM4zHvEerzCSHoiSLG5OCxC6TvPl4VzwHc4yeZThHy31wxndiRpd113ZqskaTpRHwjMc1Q4hX7zMItVTQFRr9QFBHcibUtZmi0infMjZBwbyF9oHD4rmzvKk.Ru.PYIytPvegvZq8UELMQN9voqVkjgoU2a72bl3xojEQZjZCMM_QKYw.jnnxxZ5Rp2AeRPyOAbn_Fgw7uCi194Uk_ulrDqhL8uCp6n0w9Y0QQA4lkqeYyREyfSFzl72uGlrkkVcaZ_k28DFmj9BdRPPKB3",mdrd: "D7GVxgKhaIa2LtbOk5T6o5LlK9tksW1e_Edeijz0mIE-1739099958-1.2.1.1-akhRgbOOi0wdwlZAMv45U27no4ppWeCdvcEnkETil8SopS1v7cuQv4zYMpb.XKk5CSsG7UCXHjSbjuxHQyJsprdHvxM4pH06KE4NCC2PGE_fv7NqNtc0uXQ2pimhcGzLZ6v0nF3WCFVKPJ44q2ofjCPg8aXBsDjA6NArW9hhsA5aH02LG45dzTgM1GHYaCPl6G_2weUn_M.Nk9orXhVdC1esUUaUumRe7BW0iKLmC8jgRqgy8mSs3_T6bO3ZKXJMQbbYa3lkldY2mrdmZyoU9M_u0YpOpXYjVd4uMOWZ4TUeVyKpqgxgXuyeykfGnHMy9UeaYI4MsVPUsIZ.atoxCrF4JyS8ICZKM3uowLQSPkhOemNTJ5nFyB4s_cTM4tKLoENcW1NSFwkSEGM0AVq6ewI3GVlH.v_XN2axH5McYpiSCrCWwyyrDolh3nB9UHQ5XAcoahUOW44YzRSYkR2kLmdXmvJ5LYpk1ZnX1ZM32Qrs4Iuqi9JN2CTtNMx30O2bodj8o8Th_4bh7s4mbvLWNUCYDOftbdifdSDCX2Ko9CQW2oegBidL42he6XxfDe3DYSGhMiri0oBBjPto7dc4tWHalieXnXYMrIP.urP7n_rKpWyWaCF8GhOpCCphkEuu0ugfJXlleFNIlx7MC_QkukUY7jBBWH8qxxM26ZV.b2oKwf2xRmsAQovuG.pqb1KQakWA7FD6Aef4LXMXj.lQpGc1VJutVP05W_DZdL2jxBeFJZYTa8a9l6sTmDGqmxYFFR7LWoFeVDEwplHP1bjMMerIZ62FVX6Yvse8PCr.Dm5MR1Z9za9ETFssGwxOapiwIiHhyTEfFkvhQtFYZ4N5LxmnHX5xfY8d4RpPOLfWmlYp9PamhgnzqgRmlSvqbCHKaTyHSnt90_Yo9KXMPamQdowNOs459PIYMnY5tdVZYm2OQw5If5J8oNyja9cSKI2.I7JWxmWCmpze0K61rxcukr1.S_CswxyMxamVIY9maCbfV0wfkrzmpAOMl5kreSajNQQDVuraG2vg8wrtQuvuxlEmcKNdQMxB8dvkb7YutYjFu1qHEhKbo0FsQkXRAhQKahBXwf798jqB4JFhEvt6F7JvjRB8PB814jCoZ3eb.XrQBMvNUAQqRtca3gh2DryJ0EvkB4ZCmG487t1FGWQkl0RNxeQbVgMeCTC3ljKDeRsMDSDR9vuhM5ISV5qFomerDIOEvGeMVtNsCvTgQss525pISDRio7WAPoHrj8XPFI4nyUxoyJhXqiKTgmYVxd_lzfJtrMbFbk685juP03VyhQ5XFS3LTCncEXR2aK.GwNHKVkbc2eanFllxospMR0GzWJIMYsHN8fmF2WjVnqrN6ovaJyCFVLqwc76c9edJv.JNqlPSiggplc_JrYXL5dmwKCxbPGnF8b3ZMlWPcAioCDMucPfAQVScouAGXd8aArkBWhn26aI.1WXQxeLyYVpvqE5N9OysQ8Su1JNbxwnO0AWxqTUYeEAs4On5IMXmAawWIyyCK_71qgdgVeR_qqlcxyffs1jaR5DzwFNsEh7nAh4x7Y_JVMejeOeC55PrK9MVAH.tc1frjYhtjAKnXkOuv8UfqlZ9fmyIRFHmgAmOmX1K6imNrCRG5nqVcrXf44txZUENHDLluz4Ej5NafkfJ4wLpTADdl7soA5AM11_rGET0KaVgYREZu7wfXxErQMdpJuUI9XsUgXvkJT4KtUKVy790Poj2opaTMw.Tw4KjkNbGgkval39o27fR9XSza4RCjzNBVP.KZdJ7hMQMZRp5rwrC0NjgXMrH5gmi2C4t8pY5D.Q_Sxnh9tre_kOg5Wc"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f376b378df6fda';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\/3692107854?__cf_chl_rt_tk=EJYn4phV3Pp0ryx4cLUF.wosQF_O82plNR517_30cFw-1739099958-1.0.1.1-_QS7Itp2ghVwdih.OtniSkIpZ48ImMOlbX15KRm4_ts" + 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