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-271284608681.mit-edu.top/post/1930467852

  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-271284608681.mit-edu.top",cType: 'managed',cRay: '9110468889c5d64c',cH: '7Cl8aR4T1uxKUWOzjhll06vJdsy0iPRMKlw4EmWeGdg-1739402072-1.2.1.1-_vEipG2Eu8cBDzcKBk5JJ_KWaeDlxaV5Blq1Mm0sf4Ju_QayyNAnMHGc5nAm3xke',cUPMDTk: "\/post\/1930467852?__cf_chl_tk=SrUDDX.WpbrIJjxqpINgL.Nbe3bRBdRpWkppXsXDf.A-1739402072-1.0.1.1-b5gN1ei6CZMN_LQmZUi2.5nSA6TuDYMigxJtFuHlEF4",cFPWv: 'b',cITimeS: '1739402072',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/1930467852?__cf_chl_f_tk=SrUDDX.WpbrIJjxqpINgL.Nbe3bRBdRpWkppXsXDf.A-1739402072-1.0.1.1-b5gN1ei6CZMN_LQmZUi2.5nSA6TuDYMigxJtFuHlEF4",md: "ppK5GttYDTR0rZOsrwwyoiSd.v51yA9Lnq4W6ug3osY-1739402072-1.2.1.1-5FmIk1VIUpUjI6dPV0WaYFqJaNPvQvx5GneG1I8cWwQGiw6f9wsCsUIA57mxB8yBca_7p_Rl1bbYOkgvjvFEHVjSprQ_jGqXTVJHKelmIYsC6qDS3uYWEZinByuUPmUceVTz3zEPmOpyNheB1FSM_haL1XBTPF9UCdVx5CC9IYfpwuWZtQwheck5HLDPxVa5HiX79m2mB0IVN801YF7PrhTuofRRYcGv_Fogzh6IXgChh3H9ULQYJ.o9gbV9jXLaMRyax7cU121ZeBTvtjIQ.sn_DTTBNZ_5SY.PJBRrJnaIHhbq9i1_NSuDEPMof3uGYvJvq3J0rUcqK.Oj1N2zvmretQejSrztXS6pRH1hvU2hBuPgru.1WVU8ST3qez8S0vJJyeOFBV47OQi19kvYJ7tUUDLmeBp500jSLSOMd7K9LRh1zf9boxyP3.4RIqoclRynZzvGDCfXSEfBHglVoUBCkSFeTtZu2gH84ib65QPQ_DBO6cxbY1l62zYMBGujCkLeNMLIqfsC_vacffAdZXIDz.AGgOjLSS1WCLILV_ZTW7hupTYe5gHwC_A6rypFqm.pHFsrkjC90pcPRL4UxqMu8vSW5CzUo2CpEckOgRB.bNLKMfHLLw1TSusBiLgrOIebtAWCz_yILC3lIrgkk9alzaUCRR.QwbNEL..WPvcg5GwJTTyMLiLGme4ZM7iCc4An6JEAU_iUUAfceYxSTefsXxIUzDxZgWf6_OBwm76EWzel6Thp5Kh_1Ezhq850xLU3dT2UvQ_uvh3sWONEslE.0J3AKJ5ONcbuWGNJgzcztfVJ01zCvqcdSIgNIACqKvR0gCDjaIuZBCLJZqHepvkeW6ahAreq.LeV75I1fQbYf1EnhjyrE2Qg54oxhcN4hNGErVj_GEMXkRDupg9nhkcDYklA1D4zG2ogzCToeNr4hsONsGyHnBRQF4g4YLBgCZL5iLDmATssRPkcrM3WBHc_Qv5U5.gGPL73DqLhJWMdAAPoqwGlVOZGh7GV4WlU_WHjRalWitSzowxJt5cqQEdzLSQ3kxnBIiRDpXVKGxm2b0J5eXrFDyXHVv8KgH.R._PmhdMYvcwDG8vWWMvMsd9LP9EgYqjoxxBENTdDjddNHwNH9nQm16wp8E7rN15kiwggbJ4QhmCSEKnRfo7vwxpwmIOYs1IusKan7mMSezxKqhFlqmpTWIxyygSfBrXrRXUv40jRCWZFVk5DS3.AKZqTdqfUz176FCQ1j9svEEswB75lT1keetbFwtLS8A8OxwfdiaaBtRtdey3fyBdOJSoyeCE1LxclAn_eJ.Vtl32zFFOmlVI5gRSoY7LwmELuEbmXBzuneyDUR.wfO3BDVSclsJPVRaRmNMTD7Xmpr39UMtHJyw4RyYLYTdrwQvxvZN6kyFtqP4F7b9En35OFpPy4A03v9oGh68EX6PZ4fn0CBFsI_teY2kYNGafOi4XR7NPqAnmljMTqAIsRud91rsiw0tdlrUWfFp9W6uSM9E3zvUzOin4z_DMvZRhbAL9aIwvPA6TYiEddBL0AYxyd.ZP_T0j3xYU4TJUldEzhjt2b.5JqlpCUdCox4_s_641Dtgwe.edR_tKqL7DjNxcH5Ab1hwJuZAzchOVF1y21cxc_x5vSZdkRWDcJTR3Z1IWBc2wc3m4hyDgW9wMC1XWg5YuW0tO8sRu.J4yzeqP9wgsM1vQuAxXGauqsbYzFOW4IwAh9RFyfzdaCq0sFuxU_Q0MET7YJO9zT4N8AegYiFqQH08eUCUXTfUET4Cm7jV2RzT_AUy4pbpAQq1UgjB3Bi6Hk9a1xEQCkvCaIPdAjzg8DlI.4QlF.KhqGfqGV31Q.p2mtwvFmJtK4gEroLHICHxya9vZ0Lbql0YONEqy5Gx5k1zQ1LnR.Lowr3KLdInbxO51t2SP6Vlp9zl5NjgXVGMloB1OeoeEkbOZKjZXKMsZA9gFbZ8z5_V3ExnwB0GwwsfR7u0zY_tPNG_M5nhRbg_1jBrbtM9lbyc0tfVlmo3JuEFieyrqbFS_e5IRC_YhJ2Q2CfeFEZ7GjA.gJjg_SKgNTf3g5ieJZv7veusJavjxA0WNFw2kExY5GqmYcJbLGavmPs5rvF6Z4dO7rW_J3tdwWHictEvudrSxyGdeRI0AR6H8ba0TiI5gR1CM7CYzGe0n2umTbbD9CA9gnBw60X7Krc1evqsDzjydNbNgsVpCdWc_RTsvBkkuA143zdwnS",mdrd: "_6gpDY1euYGtnrxdmGk2.eadLj7COyPJnun8_YNfJeU-1739402072-1.2.1.1-CVC_Ym2fND73c4_QCevdiUuFdrMZTJCXlHLgcLNuDh1Csl2KbS.iwHU4g_puDoEj5tagZHpD3TiOO4u9o_o3bXHqaB3kVywUJ_gaCDsuOZs_CXZ8TBPUsPagjdCOxgnmJ8sbyP9ihPfespknzjCaE3xNtOVTrTDDz4jZrtsL.s.NLhMUfiK7.bgllk8ZFm_W7kY57Gj86ZKNg68iF_LJ.Dwm6g2ozCtw.8O0LnW2rL7SvqXOs4_u3jWsZJCbqT2qU9XzobE7qTzA1oizvn6FKO7GPp9JqwuFEJZQnks8781oDOJCtmmnr280aT7M8R.pgCtDxaHqD6CmCA1db.dXEYA0Cy5BJthIxshkhU15AZy9Da49M_UU2Ycy19uxz_2mn3vXVegD6NiobUXF3uSiTgseZx3XP40R0WxhfUWYI_TP1EhINDg3i8cnThRCAgK9Nh8khR.sdOnNg8Qk670T.AaG_bvobHm4Y4wdUT0M1VsCukWgNYOnh0OHzN2I7DNW2ATutJbgn5GxJ4zTuo94kzQ5ITz3ggiMVjvIxpVKtmcLY0ty55lE6ksDaFq2n4WRGqEHf8S4YjLfPGzlgMjawFF.UN7SuTAooYGfO_k1fVJn0sNwEpV5y4uFM4hfM3JecJSu1PGNDMekgIzaRPwqGjOo3P3PFoe2BWiB0EFUjNoAlwFoguAuzX9JbkhLg0mzKgZ74PmFMSLJlWSQ44CVSr32_gG4FkxZx_5qrlhbT22EZOaVwoPbcESbScLfq5219Otc94x6jW7nK8EoORph9D8VpuX9BT3xkGYVd7R_0DW9mrT4VxLM7U3We.MbBxZQh0uALkNUDYFIe8WZR2FqHTg5cI4I6lV5dMEJucG1UyMVMU8xpxol.6gYVzxi98Id2z1REn6jcV3840QYtFP9UvjO16ZgPXx3_C7KuSLWW4qmzvp037HuhsAzU016hwzNOYJ6z18JIv9fFLmNZgacNtDsTvSkap.P_aee.7xtMv4vTO.LH13_5vBkvKuq1e8Jy2roCZrxZoqyjM3EDb60yu0y.nnAOVQrhqTkzI2R9.s3g0Azml1daUfedRPlmb3CVOzqC2Q_x_8gt5tvERy46Zi24r6tkwRhQI2bWm.QgrO2NopJr6UIIG_Z0znpzGTDwRUR3W761Z6E5vHtns_w.lfkDawKGkgKoaoemlNzUgJ2DgTbFpA8SHGqqApHOwNsp1DLHbWqQujAWNg0esGB1TYXBDt8IV4CAq8dbWUGwgmp24wwSg3A1dWTcDb1SawfN34TjpbpZWlCBm67Qq4EsStBZhs1nebTVj3Ef8zCpXx7lQVzo1rg1FxJq0GaRigMsZ_Owig0ys6Y9_Ga6GrP6wb9xFsM28rsLDrMmrz_J3208TmckvIpMYodO3G6SR_lYvRfyIl_j7J97CIsX4BZnQlpSD6j9qngAjjIAQxnwvQku_taFbrOG8m8tIP9dANe2UzTdi3IrGn7X2O_sYIpqO160iBwQw1D8XZy2t4a.98vjJCgxOiQgVdsb7wiQVo5ordYOHQGNCZ1DH9.zr2shIROyTMF9WsPKSFPE..9sNokHpiJ5.U0Mdd5bkJMwuBkHUhcFTapHovNBLM9drHUZnDX8KWJfLafXUVeNHbJE6poAXycAuyU6Bt9xJ4yhtICnYEKC5IcGWiY8bwhzR.11PVDavzM7DVJ_18feE.W0o1WTI2LoebGrEhVo9bUm8lOHTEGgvvsGa6upIcUBEyarFxwgmwKE5CxhvToW7o7AKgWV9lnTkuRKOM3rJmGJN2rgCrIHZMig3B.5IXXzVq09mBp5uyUu85S_r82cRMM0e1y0T8QD_yiYyZrMhV7KpUf"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=9110468889c5d64c';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\/1930467852?__cf_chl_rt_tk=SrUDDX.WpbrIJjxqpINgL.Nbe3bRBdRpWkppXsXDf.A-1739402072-1.0.1.1-b5gN1ei6CZMN_LQmZUi2.5nSA6TuDYMigxJtFuHlEF4" + 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