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,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-943094036945.mit-edu.top",cType: 'managed',cRay: '90fce169cfd68847',cH: 'GzF_e_GiSUaM8_XhBI9S6_ZGE_0cs51N8ftAvv_0r7o-1739198701-1.2.1.1-6dia18PWEsjkEbDRS0haKletz33GbvqzS0VVWSpYZxZlr4kAbgWqAHrulVyjUk5f',cUPMDTk: "\/post\/0417268953?__cf_chl_tk=kZcYa7IqBfwI8DGTmSVXm9AlgU6fHzvf4QkkWv9jbKU-1739198701-1.0.1.1-4fIEqCPSco_IDA8e9YiVrXLXQbVvfx5Sw5zDhJQZcj8",cFPWv: 'g',cITimeS: '1739198701',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/0417268953?__cf_chl_f_tk=kZcYa7IqBfwI8DGTmSVXm9AlgU6fHzvf4QkkWv9jbKU-1739198701-1.0.1.1-4fIEqCPSco_IDA8e9YiVrXLXQbVvfx5Sw5zDhJQZcj8",md: ".NjUq6KQE0pT68pigd6aSPecwJyn7nuTKzEAW3GfFo0-1739198701-1.2.1.1-SEF453n6kj8qvG8d0rd.zZpfqZsDW83w_z0vJozEmorKfqXuuE2Gd6VELLP_ZXc1MUjKO4wK.La90T1GEnkibO6AYZDmHtqP64Mi2F8u3hxPDvxZmmJm3jv9hoy4tF5RNYntUAFQ6S0FfJSSAeIkvSouif_C7bBl6o0AUp8iTKbxZSmXluqGq9roOROFxZ_T3dyqFtpvgzp_oxnp.jJIuWmGMmsHzhYFoF_89FBvwIqZmKQUiJGK24JynIsu1yJYr2SaDKAYPlH1bZAt98hCWJ6EKFXy_9u_SVZzOc5XMvhlQ10pfsiGkmx7x45HH66YNUdcmc3O8CnYdYxzRX1bchf.DaKbkdYrthGyBfBf6gfALrFMu.HLekclHJtCeuQB7PeIPrlH929JMeK91kVKi_3__H1e2e00HsFXJkz4ukV7rNCUDF5xhaFRf_vfWSccHGPQhNw3mKsLkLlhSij3QN2fFQpI0iXz1lQ6WmOEqevDarywJ5I0VvLDfVGSag2ynCvKvRiom1M7r5gjedoMhrVAFp38__pN9lvj7d5_EzKmnDFUylxgXLJ7bq94RnOl7btKPFZxvVsJeR_VCEONS_.SMpTUkgvAu1gebaTcuzM4gSNot_.jY746bUDWx5dnxWN1DaS0zrF16J4gFpMHBniV9qldRqUdZ6xp5qiOiycXIJlWOQVnB32_s6K9CbAekG.uz1ehgDVCgTZGEVHtqL5UVEvCB72WffEmDbOLVY7VEYpOz.bDXhrhBxYMVhB0IRo8f6O9.vxmxYSTGZ7LCi5f7Hh6afMabIlfoopq3R_bcrFmzdsI9hZ9jlATfIjmuP_05oviKMaqFFRmSIqOBUu3EbwO4Bo2q_pWpsFHXNJgW67jOgWaqlzBo7c4wPG9OnxNkBSF9kWkcFh6ozv_mEJ7KOhF3zAZ__er3cugaZzqvr_T3ue0wgcV4BUWYnG0_9z3MCp8pAO25iOEf65XN6.8uRvNuHZtjdNLwzN7ELkVS1YaPhKnUyh4VPv2Dsdm_sfeYmSUcVqfgYYZzYqCcdoQG.jgEKH2x5.ch0Tyrao9m.864PJhM63pYbODBJi9P9pBCl7LiYjNPJtPMa9IdTHlfLa7x4OOFdYeoucPmvr_R_M2isaI5aszkMDkijOhI8KGzs80zJchGRxR8kON0Q57SiYbJvha._CWlu5gwcipSLZr.OVYTMVvHc4GVeI1RkqmlI517.lTvivCFhRIvV83PuRMRs.TXiSxoqsJU6UKkwW.FRNPKtnCB.xHXzh_3qSSuaH61WDxU7B9hRoAl48mMBPwd335udgfVxdGrbCJiHESOm369llCbZmWwwPk1yw_VPYacpy_FCkiDP6KDvXxxbul.S85VRsYEA_sazQGyrlcegCIzbNTIaWVNOG332.y3AA3urWnRcOA.Lb9jAksBaw5NaAmQUC6yN37jjYf5B_68PUXesLx5DGf1SB_MiWecmRVlcWvg0vP1oh569Khv8JCXkqrerNsd.Chl4HSG32ZJ83.hAbitG9pARvuGyIPUxgZLyeFI5Li1xftaOptug2iTfU44wgRbUws6_OsFxIsUWMWX5FfyEWzoiKIHtyVqmnHUXlZtSHniQoHBeJSAbTROuY9HfyF2u5ILlOiszzTse4LRbTDAmGchxjZLgDechE1rGZyD3.heGK3rdLEcbVgqMArdIstcBdl2GKEbyIqzMl5mJpd16F4y3HaQ_mSgm0klqiv1K2Scs605Y5YUvZNh.abkBEpz9oZ0OmdTZ_W1tWP0URfRMaNayID385U0TkPv0i3caE0Abuw8BkPQ1GJDOx7RAW6E2aWSvagFvjPIvOyngvCsgtF_uOtGCw1bHJ_u1KaXwREBKSK5aRflOt9iEz2beKIUGYfzlrb22hxOOBrkXlv.b0PnBiuUqFuoILaY9m50Th7z0SHCPp9aodIuUW4LGXInm1NB.cO900CNUD4_9h6FqJPecDBl6c9PC_S8ucmRBh9pR1yvgQcEnsfxDR9XffJCOY.fgYebk43geOEPL8YInWL44r9vZJY4lcFpnSMt2AgOfVVF3.HTH0OZabB23ILR4u50lgyu9D0LsBouNy0bMD9M7IZE0Xsv.euFm7WagP7cAHltNT1iK8qaOqbQf8cwLtw6vTnKXA4kvXTaNkaOJ8QzXSY8hs9m0JaxPOzI7CqzhmgaSSH32OBgVySjpWmdFdm5WEPQC.sRD4ZX0hdjy1WS82X",mdrd: "5NQuDN6A08JM.UmMJN72eRTfrCM2PEwvU7P0vbBvZ2o-1739198701-1.2.1.1-Xl9ywV9nRAR0VdvXASAmflfCmhIlQNvz6R6Euge8e.0KSUP0mrrNfgbZklyPvjgitHgyF62W.q_lByJ_UK52Be9O5DoVw0ywlxADcXUthpnWyB3Jk4WZreK9yr_zggY0bih3M2knQ5A0gEjSHYHCIchsFTW2u7n6bhJp0xBSlkfE7Dyb8lInJplOd3Qtrfc_eXEaZSqT8aTi6_fDqcDWdx9BxnuOEJ3tAWw44DL26TJ05y4mKc9QAQT.AcsjA3j2DmmESwJjlnMl4cnX2bpsPnAcdGci6TCQz87dM9nZOcnCgZCYtpN3Bti8ne.KRuAd3g02GyPUVn_az0.5oaGVvhJ.297rccwuXU_zA_iJ4kYSi3VrS_YNjf3VUA.p.TAXaO0u_Xrg3CTC_IfVAXW.20lH8PYdQlikckYkppjTY04gn3hWe18nk0qXC.RDnsW4LcO4nlNvPR.NntHGLntlvbgwkVWB3RzlTkQMm.KQ4NWXXEFE06BVdGImyePdjYMKIWP8ep7NdGmyJXcVBYoArXYt9bynacZ2i93hgfW7d7rqOyl6_ZuJoqI3V0sqxOtkIGGh4fDHvkLrwaxJY9Jufw6iLAN389pRyw9x.Xrbvo.kbsxq3z63QlTDanruoVUu54INiRR6hUrRkZYgTnBFT4BNUpuY.dAo7tjLJdte0QuF8iX8WpqBTI.Op9h32ILbY8m_7qBt9vhUe1PSPji7XW4Q.oOD0iRhYJZMaTP9E2h0_AeJDR6ohMHgruFdfnd4Ousl37n7W.TdlGqxjqKGTczqbKz9w9nwjZt0rP4n5MHGg3hy8Kw2noswu24cNaphK_CFeGZBDTjnanSt19HeO2UejsaDNH61qIvIyM_TYab7TiVfO393IkduOvEm7UhQBmkjj8O9qEQA9ozjH9JLsFVPUvE0fxmYvQqoe4qHUuiwF5LNFpSfw1p9Rv7aP1tBvypRdfoCdUI2mQO8Ki_pVl6meAa4yslAgmwHRmnUKjKCw62KZUAci7fSpaSQiFd5kpC6Ny5EXc2.hqS672IAlrNdViVQe_4YAagE8z8Z3CvDThgISfgXmIaeQjPzkjGqFzTYvRRgkeG_G2nf9GlFOiGjQ.aqKnPK1r4LOF5qud2nT1XoPcWR8rKV9L0KjGji0ZLvenuboVC21u5Vumb9ynsbDQ0ZdjFpLmJTN.dWCv8Qr1fxnGn0EOjyldBdtf7EwRhichd57k57AEKBdQvEM3SRoNQA2VfhJLhvXRlq..Icw3mjrOhikhQHg9lt_bKkzgVDtLYTFk4rfuFOnpdEA.c.cpw8Bf4ot7xblkN2BM3SADlwakD6gvLZe07Y6qBvnIBFFBn1RZ6FzVjoDyWyMYeyyl6aNyBf1fgrkyzmdqvAvR6zQEZVkaozL.5GXjUIXV54egRMk1y5tCzkln4fR_ihwrTDehaaPc1MjlWuBN1Iy2OAF1qTTl1WysKNaHbYeGi4ov0kPyVqDn39yCPO5S1B6rhTQ8l5g3jJoKuNHmvwkOALE6ww4jEC4uqp_nURe.33W3WaPzAann_gXyRgKQQ6zyfgq62HMEuS3rYCgHRp36x5OGkfIwH1oSIlGC0ZhArtt7_Xlm2BTKE_OCP7uiFQ_gCx_gR1A9w9RJebC3fQPAOTnrIY.uNev5WHmqu7ExciZU9l4dNwitGhHreDySFY9IYcgPf1ouH96snoONxhIRn_jpCqD47hrPRI7V0N2EDwpmfybaCFKnfeG0GhzsYyaBRVYC.rQ3ehL_cfrwOotEFErT8mgJ2MJ.xAXO1b5A7UZxl2zYtPMClal_MedfzfZrj7nx647fM4tcUxRdk"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90fce169cfd68847';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\/0417268953?__cf_chl_rt_tk=kZcYa7IqBfwI8DGTmSVXm9AlgU6fHzvf4QkkWv9jbKU-1739198701-1.0.1.1-4fIEqCPSco_IDA8e9YiVrXLXQbVvfx5Sw5zDhJQZcj8" + 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