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-442975660206.mit-edu.top",cType: 'managed',cRay: '90f35fb98ef205dc',cH: 'GRN9BdeFTl5ve_jraq1Cj2e3.JRkgIlumI29Vrk2YCM-1739099017-1.2.1.1-LMbrPn.f9HmTr8oXgFWfcvl1ugG3opKrlwV8U09rQYw1DHbnEIER0oMYG6Qbf.nQ',cUPMDTk: "\/post\/3824910765?__cf_chl_tk=j6gV04HnBnZVhG4FN_pT7u25DAAJo6aIXGUviTFpEUU-1739099017-1.0.1.1-pATlukiaoPQLRodKL9FB6.cUnEg7b94lTc5fG8hKVLE",cFPWv: 'g',cITimeS: '1739099017',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/3824910765?__cf_chl_f_tk=j6gV04HnBnZVhG4FN_pT7u25DAAJo6aIXGUviTFpEUU-1739099017-1.0.1.1-pATlukiaoPQLRodKL9FB6.cUnEg7b94lTc5fG8hKVLE",md: "hUkOi1s29fQpVpO_BnyN.YVrvgpDveCE.S_Ncamy1Xs-1739099017-1.2.1.1-24KUPHi_rCegwrRm.IQclUU5bSiIsEVt0CXpXE72GaVC5PBwQ0LMoluxGst3LZk1D6FtEdTTUhirsbBwb5KaJ9uIYB2YnIp_hu9FaGxaqq_V81jpR1CFnyBZ7htQ_yDvIyzExafcGX1Rk46WunGvElkSmGHtYOvY7.as0OimpZxgfdjRQEAGvPj6f9qJhX_rigiF4SdjlNb_qL4I9MZZfHpekfq9606CUXRgtuAwCKGXSmozzvAy6TBGiqCfg3cQu8_jc4MK3362r9GxZuO42EThU6kegWXpdlGrJix5CJSt82TEN9BCv791MU1q04yKWB_h2jvl5sJKYWmkO7biFIe7jpERc6a4rECvdORNUyS78YSgBAM85fVBvSGQ4kn6bVR9CBjE.fmlzIjSoEhMGfJQkgX8UGc46qMj8n8zTNvs4kvT.lp00gblG_cVY3LBr3UwvyDNeZHmcko_UFSQz0JCJxWfgmvc15vJq_sfy2K9SRMv9pf1bWK11davVGzp.S7_5YN3g7vOHB5Q89n3HYTcvobI6eUqcdqBToMR.Gq4j0UmAUkOjgyxB2g.tHCcqLIbJkVfgKrTx.XiVR1jW720USA9SxU62eBaHejAXOsCcD_yIFcGI5bahhxCWQ7RgSu_i4F23yxbY3MobdGQpqU4_deHIcXQZ35qzlaYrsaFROUY9ex9YMCnN346PjkEN.YcnqzS6_8re.nj2QvKLFGuOo.K7alfz39.v8KELxm1HcU495T7JQKNPRKyD1bdjmlXxkDIXvK4XSYAZSnMks2rG.j0BOBo4Qcy3fWvFRz0XwSoe2Z3jYr988ADnOJyYZfk3EDuvCCTm.7Xb1EMY.J..LgZKDAlw2.j2xAkYOGI.za7jmk4I6CB4F0Z_LUXrTth0I_Dj1IKTDw2aPapeHgIx2N.seT4BkIbEeX3amSd_va0i0X5zlUhBsvh_plF3ooIEijH4eFC.Q4.r3faRwT1FU0897bc2kTdl4iBT7WnRqbJsU5lm4BK2M717KMlQsyAV7m.NQj2xQiVL.ehfbIrfp6p44E4OFVyZIAyPqgW._ns.TTo9IdrTG5s1l6oiYYMYvAY.N2KgFtJw72xHXC7gWy_L49XmSOVTQMuDYXwpwoUGeEMsFb2VlX5I6p1c4RyG646dUlTwR8tbSpBV9LR0yNkOLdJmZGkzSUhc8iWS8rtU5FL3MA.htuQEZVfI6C8yYzfwuxCAVcC5gYP7vqdVo5PcpOLSOGpmSaCHNH6CWCQYe21u1NN1nPGRbUd2lUuEs6lFuOAjYxiRhj5VU.7Dmu1TB_TmaCzKAjslG4uC88NMYKJDe06hyCcufwT.OUYzIJ8aucoZyS5.oh5MAA9wscKdy7FQdFJBKj5gtgyo5mYTQ5dWAvgYPH7JWgU6GTgtZT1z3S_rSevQpAhrwAy4iU66PQoVKY5tcTJiObg7rtrR58X2eOyRUvu7rdpYyUf_uCtQmoXzlCRPQLmcwfJbSruIguhAiEresybSBNdo3N_rJfpMZzFJSWxl0Eh8rnnnLUOuR87N5MyDL.OWDultwfOmOYdaRHR3eQvQEt4HWCWUwgQuKQUpLCYcpTaYxatuDfsDycRYcf_58V3D5oLYusenxEW2c8ZHF6PZxIS90NcKxkt.AY1ycs3VBAQyXzCb2wL3xtktYXo8WV8saM15BZVEX56lncVsHxurt_DrSF3UKJQBfA6qUUHmL0pB.ELYEC_A1iMitWM1UCBmfr6vSElW1XJ0Flbdm6gVqPlEJW476rklCf1bDm3F1rqYaWxQ15X27zm.NOCBP.KMrEv9.pS4w6krmSNu3eckCeZu_uIbNW68AkkoK0u7e3SZq97AZibRNFdaKf7Tuillwu5SKEHq3JOnMx40DTnhO48GMu8W2QEjSWCq8_y5QSSSeaSrDkH7S8OGCQjok77w9IcgZ3WFouD1cdDXhDdZ.y6JqJ1Hhvoj88EQqXyd12G7iphY7wWPzn3qa8BzVZEMbAlcus1uxqr3jNxMqDAu5exwotIj2IIyd_1KiRO.pqja2MffHKa.Xyee_tGHEgHHPBbswpBpVG5kOVD0T_vFmytAkpOPtjFspMG5Uijbdt9nE6HmrbDP3FgJ5epYOONFDwfeLvyQKBH8hLdJ3TvTK4mjQjaYXTxyrNDfxJK4CSPu22KvU.23YegykddBBJYJdxzbL72CYGoiVyB8_29U0f8gExpXH_F00zU_v7WQ13k",mdrd: "5TPFye44Z9RRNtjExzcLFxRFWRa5XbgPdA0xQcHlDXs-1739099017-1.2.1.1-GixjrWrAiM1wZ_Z0tvQMc8dd86_qsj.OjCFEqVTvwWAbb98EUClc1Zyl1zz7LQRxndfQL7P24QVLvqACqKoxIXmCMQDz_LT8w5MRX8pqoHVDsUt7g1b8hZx7oNxIIknSe9kdY6KPHau2yDVQjbFqbqgKbjnp.eIJkqYSd0vFQozNwbtFKZuFqXHa396BCO8ai5mKN1Ia5cXwiFtdmy3cU8DZZ5GF2SUuzIlGf9ZUgkZaoZiPgC3O53cmMwk855hZtrN5A4QSSC0IaRWoU.LDo_czVZdlbQcBUiMCdddg3XtvZ6Savk1rC6pjJeval02NV.ivWFYcpJwoID30zsKNR1KYonnxt50yt5i9oRV0wfOsF8GzOJKbWL_62oItBKKmaovQwAQlx6ST8G9BF6nIh5iqef7MCF1S3kvYs1fI6qaVlVtowkEn2Pp_6sSTU.k0CGOl2coNPA_jUDLOzuOIXIUIn7pMYaq1fSTZznUsSnJNk7sLtyR6TyWbm45seBr.L3wqClrUIBiILMxr4R22N8D.uqsDCdaVP_4xYb.tU7I9tdw3x.meW6rKcrUuw4VRdZsbP64WyFsrmPRrYuz3k0r9NZBEFo8w7zSIxzUy6lZYnJuxQna2hCNNrW7C3686wEKlghXFsrOBdNaGES.yyS50B5WdWWwKPqWO2creBHaj9nZnYZFQhjU9QwvtHMuHO.sDQpsGy.5DWU6YQw7uwzJbotOe2bFbSe7BMjBqe.KaI9Oo4wM0ggnva0IVK8Ee6V3dQEm40bP_M1QTpo0q7qxmmXPP19ccLchInVuGV28vi3pCuwO659XtqB3i8WXdjMQcAPOMDe2iBsGFS638kTC0VI5jBHmqTwlObcZvJ.1b7VC4ccxddInUKgdI3dzjjbUIMSntT7fID4.Agpnu1SKonXAwQGnxYD36fNR22Ihy4U1utEWGB3BN9i1ekzZ3oZ7hV5UuW9DP10azSiIRv98N1E3r3_U6S4TTPvFEJuU65F6sjct4xbBXkJNcv4buJc..RaDX63NYcmcvnQdKcmepzo9r7.Rb2f5FlRZ5oEYDdtLCC9k1g3JQTBMfopk1bmFAYSYo0GZZOH4_UzfhYrQXDb5SsgY.qL7Ge3VMCMEPtOt7_2HCwKn2MZIvH.qgJX8Z0JQ44JBRT_WtxWsN2T9mgWCZO2.SfL_N8J7sYAvkh.yKOv8AfOoJmRyPLZduimtY1rOrBeuyxRkYcQU9RB2yAfznRCw8uHTTjecyjLQfQRzGHM7rNucViPbsKnyihgz2Zi7eRbjiA7GdFZggpJqzeX4NA9ncC77fLs7APUUZyF73fhEK_cGTdaBUl3cpwePnSJN1gxOO_pz80SLHe5pbrudh1.mMSyNqQOAEjtlrcjK_W9Sn7pGnH5j_IcLvt_f7Gq_zr4YK0Y5wGQxEbg_UwCqfNrDUAAEy6ZiKltVzpi5V2sGXMFGndOZvzAh8JxhA1FbFpGPC_2qzzjcT31l9iaUZzD9UE5bh8RMd_eY9szSRLcu.1TXuDT8fNIzVFKWXiNMl_i31SimLn0bbYk4XknykoHXgOfL0hOzYBkkNgyjIZ1mR7BN9_QDupqZjZCZhZRSlw9eTo8KtNoglYvTe24oXK0gGrlTIIb94waxRF9QEFz8lW1VbX1.4BtTt4PYEV5lwOlEl0NB.dZ_p8I.bv8.Gw5onagscJEbw4lvfSxq89yCAJTeZDxmSidf7RWse8Xlw5Yq_IA9CK8Jo0A99h3swblka4wMesQNfU7h1UCH3qZqva7TPxiLra_NYAE3dnSuksqQFUpdqN9wRI3mTFtCimjKBnEDqj7rOtIY"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f35fb98ef205dc';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\/3824910765?__cf_chl_rt_tk=j6gV04HnBnZVhG4FN_pT7u25DAAJo6aIXGUviTFpEUU-1739099017-1.0.1.1-pATlukiaoPQLRodKL9FB6.cUnEg7b94lTc5fG8hKVLE" + 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