for Atom and RSS and KML
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.
<!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-affjhyxcp.mit-edu.top",cType: 'managed',cRay: '90f7b70db8dcc998',cH: '0SzIvFNNqUd5ZmXbiZAyDa.Pf2R.pTDfCqfzT0RfOy0-1739144537-1.2.1.1-9Pxswfd7a3BlIq2Pitci2IU_s6cO37lWLE1zgqOqMwqtm_YwQhovrNgzi2TU.GaW',cUPMDTk: "\/post\/4368571902?__cf_chl_tk=U7eIFccE0wf0lHormYtf7BGlqxXqdp3MTG4gc3NrcZI-1739144537-1.0.1.1-hmmoFOUhU.8ngVEnHupyPO_bck4Bkkk_0HOztZHTs.M",cFPWv: 'g',cITimeS: '1739144537',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/4368571902?__cf_chl_f_tk=U7eIFccE0wf0lHormYtf7BGlqxXqdp3MTG4gc3NrcZI-1739144537-1.0.1.1-hmmoFOUhU.8ngVEnHupyPO_bck4Bkkk_0HOztZHTs.M",md: "aEy9CtZcx.SQyoAzFHtye0iT3FEDbxBqJOgcXSVFA.s-1739144537-1.2.1.1-Pd.ubH19j9Ip_4Mq.Hnx8TS.4g8wS9RYGcvH6eQH_KN70c6pzQ9Kxr.7iWJAi0KGl64AWtO9sPxa1ZO15Y0vOlUsxUWoOEUysdmXsdEb9cN3gJarOzfavIHLhx_.AayrGuWs71CVXbOaoXZHIgeN.ORbn7xBrN_FsskLQ63WamUj6sEVWru_TcC5piaNMdynFSro4ARdmnV7DJNuMGGsLEvlWBtoGXN18xvndOoeByD2h2rW5udcYACDMwhdtVuGuEJJndTAg.v9b3Nee4JtU_ydAtf5eVhd2q8lInVQis.elsEKQLw2QisDGR2pPwSs.AU4Z3SRKjjn7s.qfW3zs3_NPkz6YLHmtgSomO53WU1BgsDWk8BVWQ_xZJ86u2WQKT5iyOPA3H_y38jHw6IqkvA0eAQQKcHnfpan_I68pwgHJ1oMU0UBz6kJvYHGNa1cKYhMRP1Tey3E1cSie.z6CSmjvve7F0OhjuUTjLM7RjPZ4b.TGbmIu90EMVmOtKegvSL.bDwTU4LwVTYpvpoMIwokVafHdz2EyhaD_m7cV0MicyUtR1tAF52_uId7KEe9_jXhm6zQOtlTe3X0FYhl5zxqgAqRl.Z3PJhKxrm25QaxgSSeyBQVtu1cBi_UdVodPbfAC_vF0lI8uJsLanEkrZoO4wWOSvVsugPXhc9dNWkayUXHZItE67FeBmcD.vta0svEfhqgFcqj_mlxYsatF_q6nY6LoAjqEHKaX4xqBe937coAaXW_ZQwS0vMsDkExKfVJGTt7Dr3.Epa70p7UV4YMZPQzxo2tWAexZ_86RDMUxhMtocp3tkPBE5Nxwvy0y969.zjp0GHGI6NSfRZx_.1tNt8XA01cGb58jMbbZG_pnYiEry1Qq.dYt6RNgieJDSsmmWtQM3iI70BbAIgPAkDZwNOsHLxk.mMuPU_FeQMMeoYQJcRI7wnMGX59eTlA1_48gbFl__CtaKDGUI2Y8U0WitocgTzrhUuGp4HosSpSPFK1B8jG5WTxY.RJDs801P1d7KeFCkFJP5aU.xh2aYWC7huOWLoeN9DAgfGBPlQZINQeJ_6CBeReTfkTaTsoSp_cnu582LHX10.F.G9YXQu7wY4u.QiMfzYf6zcRrrj_CbBWMRNV9qmT_2GzC.ygrsjn2D9Y.jnGa05CSO.U4lPgmwz_Ynb0lYx8p44xQHquV9lV2InDVbFHlV.Uf6hz44bXjwlwgImt_Z.E0hxnm7TPy81wtnns0K3HA7WJm6aOMRkHN6AOJRrwazATkUFn30JBq.nf8ndEU2QD4tuaC1UCpqdaJIK8hWOK3GzlChC_su72wvQwO02uCEhCdrm0RH_AOYM8c85i3EZqZjDZ5qBQmEgpxeB4e5yz4TPP6b.RVlX4xmJXJTT0AUMeZSXMTFgusLKynyHd0qHmE1nkb.Xb5HTFiqVqajipZ0An.gZMCddzT.w5J0QXLteGalHyjWmwm8NJQ3lXWeoz26CQqQsr0zyrFs13qTGQCwLjJNIGOW8MuD4znL7WJd9a7ihd_qc9tdN2Ylr72tzJ4fr9LCe300mWWdv6g0t2StumRCuu7aOy.EyTbgkTXwltLcPIzDteFFQwa4o2TLyVS3JWADA.82axBYY_WvzZ5Uj.NMYPg68ak_4.UL9_BkxgfRl11iddFqgHUBL_OKBeHOCiJLHZwoTYC0xrvOlHU4EkxJckY0AQ30EdeNuKn0JZigVXKhtttoylEzoV7y1TXnXhG9zonj4Z2gChRxSdGn4oPPEQRQscXaA2i1ROFTFDGnrf3sBBS980MF5B6cBABpMFTJw3GhIQ.UTqnNW8ATqlfPAK.n2xDri000i2o0T4bi7WTuSvTAU43VjYYDrJoAgO2KJS_9oLsMf9CGLx2FwFcbuX1SAYlerdbwKiH.tW_XQ_4BVbGOTeKrMQn2xcqhGJg8NqXDrE8TvTha_TVGY1MXEspJyE5xMxY8bA.kiNpWxbWNFlFvcZCCOI0onhsZbBwFF93.dKA1WcvLnZltTCFzTTax9pDdjlCOF.CbHn5qT2EuIlVky3zZWL2Ui9hhkdRiwh0VKePF3QKUjuR6Sx9ZTC9wAwlNWK5veOWZThlC7oPyjPGpf7BPbriGgyEy1oARv40XrYm3c08llj.OAMmjB0mU67Qog_7dnp6z8slvnQ4dXg4PrSTbukzzlRWWwSI71.mNIDDKCpnVJmHaheBulMZJAUGCQooQYlNOnwKvZi",mdrd: "pryBL4.RXjjweBOYVk62V2dv4vMEY5itnJ7PlC1vaL0-1739144537-1.2.1.1-sSM27iz5xhqIn_iMn7YHbzL_1zFvLIiYCvVQAjyvtN1VgAouVBSuVR9n5aLbLK1pQe7F8FAxb6dvFn.JSp9DEVDQ02yZlNdt7wT8Sy4lgAzg5btzAOQkEWMFVj5igSGWGiHkPCSortB_P5CVNsLcXlsAGXqmWJ9qP__E5twZTkS0Mw1DOeKP_oaJbZ3MgO0m22JlMpo6J6ZBRGS3HBh4_63i4VHhb3zsw5Vr6DgSWP5z7p8UwoEqCsBDOuRRFDJ9bSuQ56QvrUam1vnK7BDcy.7Q9qBvU4GRiWFC12pQU2Gf.BlxobPHB7sPDRCbty0ThZyFyrj5_BBSGCwA7UP6YASEsczJymmN.7aVIOyS6yvqCuYgJl5ZDa0VV178SzN36onlZ5ezlhl5kWgdDQqIilTJwNEXbMKVX7wfdn695rhL5heRVriq65gmnkF7pguagfZtYJMkTSPrmRfts6n_03zOLxhBF7EgAsJVhrgz9V9LGtGFfpPfEb9j7w41c3obJQ6nFZb17dy1CIa9fsN7gaKM6qkDZ5RMfrIMuAhpgpF6wzni.3Bpf_dmPPpn8FgIsDtVp.c7jE1ETBZGOot.7amjpLvD5riW_FKSjlZP851hYMrcJgUhbdgEvjflsQdpNAUU_n87F5UxfQjGw1scjgL0fTnA0V4VuEGFjhhwbvIC8464ZTwGiJAxxOhPESyiMUSQxQjEiSFmUZKNF3jLUX7oh5A0m6sp7a.9OVQkPfvqsPQn2AvmhjVsapC594hWoXX.sI6JqVS_euFiqLFGp4tgWLQ4gyBkxRawl3DZU_KdCdSf7d2OMsuPPgeyaBowUue.x6OSucG7tYIyAhDiJdw4ple8gay9_Knv_Qctj5OaAZEd0fd3Fj_P0nIvUyazDnM7F3AxWV.pkGkAOfplMXWb8WYXnOU1NUqikRHg.uBN78jX1b_.y.CV0L_bUdcIMvRO.q3FnRCgxn.vbMyb.FI6xQKbI8DZK_PK3mMK4YbCVVOBjEYAaqAjPtF8kcsXCBFtXKKASppULxdAj5JUBK.SoSXdKDNydk6cTUUWp3ih6XnX.2WTq3sraq0H3yIUqX0m.I1E_HKjilySDlzGpOkCZBflUQ7opTSxaxlSXro_022Y5PD1XglAbU5M6QoKLly8mL.I.cWnugV.zrjJjNs3DSSlo9v5GHphzUvadR_map9l.2ZuytkBCFz50NAiHm0UYSjIMFg16EtOwDG5UFdVzEWRWMZDY9scaR1xBjjCIelStIzVzmakftYJec_WlKJMfE5IvUwVIONE0o.4J5fACrrhwW_xoiKDFf13_Q_8R8Rteby0Cs9YIwA0UQjq0The5IZ4v1CHFlclEMJSubXHFhBrncHOVuYAuMM7mVGC1JQMQ3bbTRzHiJHfkr5AJBWeevZ3zBFJNp2uUyM3EZgrxzYTKFc.coqM6y7L0R4vOOkXZ.CJU3Cxos.DtFUkVpajmbfUQP8I.eeSFDPS.W4lywBOqqqRVuwNv4iQWXuyBY6BhSZI7muFAUebzo6Ku_fwZM623Q6BIaFMlosh4JXjPh0vF18q4IO3IFWrlCJiaGcaCiO_.aK8Aem3vBprlVwUvENzxNllrmnykjRAkGldvfjBWrU_bD8N2iqxk6s6fP8.ywe9r1X3ajDPkmQs8p1u7Rl3oVGSCHYZX2pWA8UWHFhMEePFIO.eGmKA3AGq4K6cd_IZqvbikY80RHf8DOht.UJJQFDHAoNS8GOL1kbgJdfd965pIbC6UiWNiT17MyAjjtJEe3LngHVT.5FCOZaRPZFq_mnr6VvCWkYaCg"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f7b70db8dcc998';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\/4368571902?__cf_chl_rt_tk=U7eIFccE0wf0lHormYtf7BGlqxXqdp3MTG4gc3NrcZI-1739144537-1.0.1.1-hmmoFOUhU.8ngVEnHupyPO_bck4Bkkk_0HOztZHTs.M" + window._cf_chl_opt.cOgUHash);cpo.onload = function() {history.replaceState(null, null, ogU);}}document.getElementsByTagName('head')[0].appendChild(cpo);}());</script></body></html>
Home · About · News · Docs · Terms