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-068887894306.mit-edu.top",cType: 'managed',cRay: '911053af8f03821b',cH: 'x1.csDzCYUV3ITpe4tiS7YAIzaVT5Bx94mf1.Fi4xD8-1739402611-1.2.1.1-LqID9t7uenNklGFaL8dArVP3M38KTgb_vuOQvzRqXTgmAFCGVfj91B3OGUm09yYx',cUPMDTk: "\/post\/4290386751?__cf_chl_tk=oi4A2bP5Efv2S18T6gkPZobiVXwo_EPYcXWD09D5BpY-1739402611-1.0.1.1-JxzR2v6uq5Ib7gLjq1XX_XynDgC_1JgiESkQ32ue_yM",cFPWv: 'b',cITimeS: '1739402611',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/4290386751?__cf_chl_f_tk=oi4A2bP5Efv2S18T6gkPZobiVXwo_EPYcXWD09D5BpY-1739402611-1.0.1.1-JxzR2v6uq5Ib7gLjq1XX_XynDgC_1JgiESkQ32ue_yM",md: "S0dMLSot8dCIHJ9EqMgrB6.deaNZCAwSNnADMmJ1JIc-1739402611-1.2.1.1-TxM97fniaPYAeyFTUVsTDZfCVtCbnNsHuRvLUq17krtMzEjLfimKRh_mqb_jmev1qZpVXjP8QtuATHsJ.ajNwUfsZFtjWg.l0vzt4p.hs30AJXBwA3PioxQl.KnGK4Lvmyxo421Ac.VgVgC5JzEWLRTFf85HdPbq6zca01sB48cQ..O5ef0GwdgUwPBiS7VMmpFHEEjR5e1fIwHdo.GW9DQM9TKOn8dP4qzaSZnBFUIdDsnNx_9swY6sD6cuoRf6K7WeMObusIvQkejJ4rEXMt2tkByTEOzFGFYo2bc7DXLiEhCOPzznwMfp4NC5d751edHfBMUHfHGbE6cb1EwhWbjbQ.1UgqbOHTycqPWNuDwY45CDexaUODz3SV45hFAw5IH25dHOIQF_NKAltZAyyeH_VKNYprweMbsUMD0QGdUMDCvlvhcQtbhyp9d3.RlgXZKNmfGWgZpRcsDN8FujA.sTiNj1FHkj3s7qbfNP.VZj5S_IGpu08SGJqZCwCAZ47rdHjTfOPZnx09KqkRImVEHjqmPjDI2lVV7cu9eb7u8JnJRkKanWaBKuUiUbeS7.FYjdevMQh2mlmNU8gNStTvhZtm2gWGLV5curFMwreBlZF40W3ASmHElUa3CeQDVuM2dnGeP6960iLL7RLWp_hkBLofqaCmEG7.OEtao_.2ewrNNCHR5NWr7p1clZrvieWW_Sc1Pjsxs98b_TFKNOocHpwp_jY7H51dB4QIZtqGsMWsZ_23sha7bbwWPl4UE.W7XdkUwYsZZerd5IURILxYPUrUeoWLau9dRUvjumSHzlN0n7J0LIsGwUuA_x3SWiMmm6DZ8JTmzcbx1QPds.TLFQTimSEu74JLLCJ4PAcCpFYiHKpWbCCUOH4vNSPgVa7Cpk5CZA2CSSJkeUM1REmr.EfxaTheLKf.Zj539IJodHV5qjAXX4iRu676nI9KztYwX4D3vID6ZnJAPAy1IuPYBbmQtPhc_E5lqMPoLgxqJtPcBYuW3u49JundFFtr__lN49n.fLPitldA5480.tXh_WWUDVfkCqfSyDinC2rwr7FQrc7v50qJRLK1mJmZBJaNSaAZ73yyYhrygBQ_w6Q8Gitvdcya85wd8LcwiSk9HbPwRut4bZrf7YjoTQB6Os0u2pm5aOGD5772CVa1UzJ1FlNmPPu6Q3mewv0BovgBrL4HvRaEFrwwwzHkq0irkGyDVmgYyxU6.6DsLCjdHGEwVnBtQ1IMCmu._X9Egl8J96sCWuPZIMiHvj2bhbp7KjwSnJXmr1vRyFgizD2aXNoRaJQj0wZVZxe77fG2OazlZyGSkMpjCb.aJ8FP_RaQ3F.ZON_FO4ITdglXWUzQ9gK8lunWtfJQQtvOb3939n4s1Xld0zHJwcqESKkjyebSMxgbhPRzfvNpbaisBLLY5mkOhvwo3IX41h2qSXmCfDvd2lJ8IpDoZlqRnqjW2UhYb08ecmTdNEdBfdD8f7hxSAYliIWybP.FHP.tz9L3tUuXKZVuYSRs7wZxHv1M7.MJRuaJJMTOcnwiLzYRvxbO2wpXWiF7tR55S9_tJVP.RP0sF.rBakKqATqmXHzWXAVkMBB2tZaxjbVIQ5mBQwqdyJoV9rTHSZqvO2Zpjh6JVjxZQs74Rdep11rww7fc.6PxcyYupft4HvaSO_Y4mjTnHb21cRb.LwOSvrbrD6FQf2w_od.tvVaAKOfDhmQRKVK8ziV0ssLjbI53uzzc6lVV.0UnymDIFO1.6XosiP45VxOMua_LeT22iJjJGDf0.LPRfumR9.8zYQIHa8z5aA.V22q8COMwESUbLLf2B4P2eGE1y4xpZb7CXAS9McDYRBFL3frlTuKFSCn9CGIwn36NCR1e6umsxj0MMa6UQQOIOt0TGzh0ONiKVPQ_EDoRL3kCAWuhfZQpTHz8CUL9y9EYdq7ZMIS_08VKzUyEOdAOH.YHF8MAqQw7wmDRQhCc3YkFZ3cDFccYjdHkMUYHLwBj0GKOKQOsU7TmXQ1EO6rLMtxOh2UFZVoIyhLrx3w1xZj6SwNNB027YEOmMk1GOvB5orC2SAkuCqDyLU2BNID0PNQum.3RSsvOogywQjqnURubNfGYFzOr3X_TPg2haUsJ3EHE5qMPrb.5Fmvzl33G2X1P0ROF2i0nhwxl8tuHRYc7Xt7jqa.LMmXdsg_82C_Q2KAjNbofbvpWR0wnM1K3Sa7brOxh8ISPgR1TOYW7zGgqbd",mdrd: "Yq_OFd_Tntq6zMid9GJo9UBtUGpu3A90KXVWyL_r17Q-1739402611-1.2.1.1-CCl0SDsA5AjTyIBDlOCVGw0DHxMWXdEzcL3169LPFKe7AxPjrwG73gP.6IFIdkQO_Mc4h9dbuLzhH.gSP6ZRAa8zpvt.lnkp1cEEpFcMFZWhecU2m5mTY7iEUmfDjiMlYpehaFoGqWwFRp2N0amuiNr_1M7WStuSa2WKhZuKhqJFgMlbV1jiBZObzMZsLZl.LHCz0S.o8iZa_2.xEwKtXy1iGl7bNvd4U9eMmNXnnMASCxGtznwrfHglbXHazgRjBBWDKwhM4vcQPyK8tZtvbTzHeNolks20pgFIrInGbHX1V0akpYTG.ruMheK4l6qmxXQenLiTa8OSEAfujR1mTZy9C.oJ1CCcMFXmXMBUi6Q8dxEiCM0aUeH1.9tYtCz7qBCs2Ucr8ge86H1SARQEddOAvAG1T6.KTLa7EcBwLv_Lkz91gl5Ym.zuurNs2zE4g9mvF47rLoEnD01hXAgkQ.tikhL9nzSAvQ3qDhoqB5O9TISs6B3pqTT4p1gdU8_feapuIKmRI9Mij9y64jRdGIIKnYFClFKvOwXvnY1lTkmBGHU25dbs2m7UOUiWQJldYa1jaEbLE0FD4_Q_j0odRaL5XihPleLXIP5S3aSBFGj7f.0VJij.lVzIqUtUSsKCzWLODKb1_VFuXlh1gPmQDf0SoTHxPvj4LZBKuV7V5La.OWICUw9rna.AUwo.DzQ5Qfl5wout1WqkJAvPgBuYWVodPKoeDjG.lmGioMdK2Qpj_a3bFfreYWwo_1bAbo9z2beYzC094JcO7HdE0CjI.E47RlFrhf3zAASQLUVYiJUO_ySl6F0kGobaA3mRlKg4wuiAqTKIdsy24z1MiW_rj4E8OXXOBlBz21f9PwB_aKUecrE4U29.Mns8po8g7Gupt0FeynKwHZNz1UiC3o6sy14BTUoY6mtfbFJjhxvDmtzypBOfeXm6HPiz1Q_nGjDZ45FS3mDSa5GskDO29jSqgu2chRn27xsM_bg6wKiNxVJF1cM68nbdEgsa2aSbxkIEygxZZZdmwN.rwkSGtVUs6TxuUFuwQ8hEGWm41B8KIt3cNRfkz9znX_Xgup6.oFvjBM5CMjpqvN9KEeOqe89mFi5ykK3CHBPITmTmA84Bq_DTdTLcI7AA1WpCsupa7Tuu9xcdijmWnZuiRuzMD.luN6_QJBsKH9NOcspAp3zI84R3lEKfVsDm5TFCkBKdZNdF5kr0i2kMLOAwhmLsVdMUItmCYViadZ_8LOldBSesmLe80nY7tMcBL6Szdqf6VHiYFDaZkzVAFBXaXj2t0nrIgWlhnQYtm3Zm1d6TLes1ix7kBWXwn8XrsmV_AyLrrLu4QwmKcyURGlO3eDP7b.qmwN3dUZaehqYw9BSJtaXJRPwetu4F.WuOgKmRuz9ZErMvutM8NtmdKsLDqvkJLUYvw3ZqUlg3lS8rNMF8DYBtj676TLD8TIoyZAuO8yiJLB.PxddQjWCbkB1w1FT3NYOYrXKz7evUedDYvGYcIEA3h5ZaAWEhKJcSaM8Y2ity4cbUH2KRL0OLC49K_5xYg8kKH2UEKHPOELiPkeb3Gfs_L9mkSy2Uxc_MvRZP0Xc4gUpzM_sVTVZFkM_LgKAtVQ9YMmMMa6P3v4sdfxU5iHh6RuoVWMsvdPMP4db4KRJSCoQ1Qq0j.bFRWffhWfikKKs5YgeIiVeVtCQuLan_yIbAdluDOgOt7seUFkmWkK07fokb3MeCqUy9ayQ1nzz99g2rFoP.ar6xxQes1Xk32mcnQyelDxlD4BH1zuxQxDqaITJxqYrGfrZuRAlLzhES_GTku3eKnW8rqE6fP8EihjrmIVI"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=911053af8f03821b';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\/4290386751?__cf_chl_rt_tk=oi4A2bP5Efv2S18T6gkPZobiVXwo_EPYcXWD09D5BpY-1739402611-1.0.1.1-JxzR2v6uq5Ib7gLjq1XX_XynDgC_1JgiESkQ32ue_yM" + 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
