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-298945472379.mit-edu.top",cType: 'managed',cRay: '910f8363197dd643',cH: 'NvMP8cY01v8EZ68kFPhcii9tDRpo7DvG0gjn.Q21ZwY-1739394079-1.2.1.1-QnvwhM66.tbVjroPRRiZ1Q9L4atik9sWQKS3HBofd55liBnwJmdV9FV42WsOH2m0',cUPMDTk: "\/post\/0346289751?__cf_chl_tk=jaPd1Rq33LZYPu8oIcF35ScSq1KEGhlyMIb7_Kc4N94-1739394079-1.0.1.1-2uDX_oFIMITu4708NS.Ko5yAFAAnRFd24.ZFF_PwhZI",cFPWv: 'b',cITimeS: '1739394079',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/0346289751?__cf_chl_f_tk=jaPd1Rq33LZYPu8oIcF35ScSq1KEGhlyMIb7_Kc4N94-1739394079-1.0.1.1-2uDX_oFIMITu4708NS.Ko5yAFAAnRFd24.ZFF_PwhZI",md: "TxsFkV9j301YGtAaW_o1qG5ddEiOgsjwQtYI59OR.YU-1739394079-1.2.1.1-w4loSLxGn35NHxH.vsxvCBTZbRvHDAanUcuEhY2_yZSmPlW6Qo1pUEfhCJdIgaNw8meSDkaAmg_woaHdHGguWlB.M0xMnwDHuYQSWeEMd3CcQExaTRzbsz2i6o3654__F0MHKYA9nbSUv_jntSPhf8tVbszsY1L0MbAFkBHxXtaSMNQH1kHcY0zRh5iJduHiIuCPZ23_e75.kL9AD4Z0Xde6Fcf4J5jFvqURC5rdGzeIkcTpJe1LCGdmvM8tAOhXUPUkNayTf.KbrryiBEM5VSibNgJ3jKMSCgB39Lty0VMSW_dhpns.duxgcgEoNo_HvQVNNQ_2RI2mxvosH9ilFg9WjxmVp8QxKXG6bffXfyHz9frI8AHshQ6nMyoPNo4adTb_G8mZ1gm9P59zS_o6Uvxq3T4rPNtCt5AM0XYFxYLW9uDxhZv8JXXhkSneMdvILn3oScVgUzXTDsYPDaRxgaWbiRCur_7rX6118vYjsexaFeDXzojmMby3wwtARM53_NlvQf5p.2tgF_k1ip96wL4M_7xBZL2Wf3wSTHR2IcNvvSFGGhHkTDFmVMOXBlX_7xY3WPy_O9Jidxm_i2vNd6.CQnto.nrHJO3MRVwazBdPeVEpZD9KjIoL.6yYWxA.q8Nker.Q_h67Dh6N4fRTxVkB7i_aG.b4b8PhGnWp.x1tHZh4Pto86cezOc99C8CoT.nyEi8cZ63GML3EJ8QfRyIc.cAiIzcabIVCw2l2YjYN1T5mOkdEovhMhSSSI67kGK1452KkKN60b2bq2KjOBdTxEQ07lM6283VXg.ewy7uFgAyTMjIqc5RDJnpzDUnfcF6pANWTJeAqNFqADlN6PP3yWANbv0cGEyAuvXR9kMHtleGXlBPqDDfcJnMUXvQNuWTdd5fYb2m1uT3pUWnw0hy3ZVYHkyfTuG58gWs33p5X_aLvnIzSnbWLx5fJAp0C3mD4hVYkz_mgQHExSQLlnOxhSpTL_XPrgKwXr4vIX6S8fYpW7o05435EGcr_UudLlokIy9FoFsdZtvvp5y9pyF7JA7gsqop2c5L5zJY4rGBO8mFcBQtwYr_WtzYR_tv7hkqT8a1h9OKTepQzX7zZ6dAH8hjc0kceHBUaR1w5FHiHLbFHmkRJahU6goRvy8YSafryC_nLufDKybI6qGsGSmLXduvw.Xpz9aYfLiSkygu2UWoZOuQTVzViWS8oR6PbQwK6yROoyKIlWSkpQAbw75LurpIF7_zZ96Z7FAdQ5IcpRNL7lK5tmEYpC9u6PkIwucpQldKhK16JIy7cFJX_QznIJCAa.H2P46dtLCKVRDaMGvOfur1KNtgZy_2Tdvo9Y47_khTwDIUUY.hR4nnC52sO.5Cves.dv4mAFt5H7GUj_usbFQDpMfwo2nwbqlvYPRCK1qs3id_p1uEUmfFy79SP8uMKFdI0iLIauGlfytRnM.4GmVpmFEuiH2OpMuMxN.qB9qKQNjnm0p.64y67g7jC.7Dpca5xewvWrqV35RWtFFG95CVvYHPA18Tm5r0GHKiHeNlnKQa6wGpNb9FWWq3XcYJNL_mZR5c99JTIhuaG8OrCwSrSbRXSQXzcDmA8qPllN4sLARu58.9LlfCXKLaq.5ECh38rc23X9meomg14tFpRmj64Z9IqBZeiImVPF2O_eJWtH.39qqqfQM2dudbXazATQXRngSjk1VV7yyL5gBpfoDlkQyPCqyahE3J8MMlRE1R4g6LZ5gytszXkgrVA8DcATbPBCwIta.pj_y.FIv8LXZtXtcKzqAUqGn4we25C0B3NwGxcgPBmbP.GbmP.V7.gJM5oT1oCFTYiTjcvjtyWmMXqdnRB1N8hHHeL.lFb7KlkO5JjWsnDORj_vYMns8eCXo16Rh3ksiNJsEJC24qDvgx_3zagoO1PbERWn6x.odPs5kOM.HoEjy1jV_oyoXLRouvjuh2WHcRbnHKn3A12JOCymqyiwZNoF.BNaw.qWgS2gwRTyM.aBWc1fMPazBAESgCdHCRKJW1qFe_zPTssJQiUiH.UF07Caxx9Y2MN4Bzs3bPBS9EIvLIUfYGF90uWEtDc5NuxGWPx9wqxxR8d.aDzieRS4HRoL4frffDhlBi9HEzNtXsYyG5fYcujEDG7jfEt7Zrp2uHSegzPiuKoqaBb9.JlSaq0FCyAf_5tPdl7zEKpthcRd2pI6cG_4vtvBf1yP1o0t1iIXa0hnaXnUfYLMoWYqlhj799_",mdrd: "lmMo949JfQxWCnUm_Acp9SSNcBB00Xj75u.jlHkzs1U-1739394079-1.2.1.1-VrgyKJM9bFBqHPr3lIIMpSkg0rKbkFa7pMpa_ZC94NesxAj4hAFW6m4LmBzGfjI_0scBOmOXGm8a2fb7UMTlPK.Y2E77GAAQMJ6.zoyWjB2OuNXeRfsE0QpROmCZ4jJ1TXrOv41YlplErViUmWmmLaElQqdqgCE57t2GQ2UoioR.dGsMFvhwFDUdszIzDN3PK.uTvVnccxG0h0Apn6OmnhezCp5DCfm4sicj6LLgOHFaLD54MVr3m.qi7HIMxQzcQqx2tpSAaPr8Zk9p5M8ikSfD5VloTAYuK7z0L.ZxWrOVyk3yvoyybsO6CHi00RegLeYI53NRAIHWV5j3P16DcYmQRuC4Lgf8tiAgx2saRfHRoIy_MtYGWSRreuYWQv3Xz.zBBggiRljrsmSwvKVWsbMnAscwOSYiDFT6cAPG5GCjZ7kQ9f8HfXKUQmrsOqzcRhqRlBGgvgDAIBNaT787EIqL8HC9lBaSeT0zOc_navEY_S3uAINUwjKUh0b2IRh.Vhl0CDhfItHEAKTxtgRWbJy8VZTbRjQkxiL_i7G11oa6ZZOM3ydHUeOxbsVkBueFo854oKdIMPk2O..ASGid8TReWjTiOufrOEg_wza41joDl6xygmL4fatCRUSejKqRzU9aFwg3LdEx3YuNhMdM46KPiOFN9fZdDj9wAqs8Kj3zEtJz1owwlL5rPSMJlXOxVbDoeou2WWCO582U5kcim0.Roo9UYtPLiHppn7.KEDD2fXYE0M.O05vPBtP6ZDrFQf6j5ld3qPyBfs.GCZiN7aRuY4cz1sFUjNv2RWjLIg_OgvWv5x7LEPVAOruml4nQBguWthoH5hl0SesT0ZphbhB_vs8kCYY8K9ffLwWz0ob8CGKC4xvhpwOIyLxa368xpJ56M9SKGWtPFHxnoiXrZzRWwBnDx4KXI72TJ_yGV.cyQzh7ThvARviLCslJsfWUT0NOo.EfmTXa81JWWUav3PpyzpbCIPx6.yPZWIhbMSbIR_7VxFtddYBN6rWjzF9L_8mG4X8cRV6WQomNmHpwbORgqCXRkurpYD75IVcDxix3vyoyRqI.kV8rko7AhSdiBC57UvL5S1DYW3N2llJXgA0_Dxb5JoUuD8xtCT.A9ZaH47HusWRwzu1YbsyF22PIyEKIllgACJsy.4aa_L9FxFqB9GWdnZqHereg.S20orKsj.LDLKPGE.MWEDaR4u6kRpdNRC8EJTXUl_TsbpS9nYt_yF_Fh_ClgJFEcY8E2gtcYOO0VRwdf6f2IER8PpZJlpjco6WGlKveuikUIsdnlMQVwKJcy8Dr9cILnTDAYxHPVlbKlk7tfYSBMqcAdrhZPeTb41itWwjJuPqGXvZTPUzh4riXGhwatixDOVA7M3LHfLA9eN19yVFu01stwO7KCiR12XbXRqGo9SVqjzJ51hiDhSnMcOzy_TLQ64Gkx9rbuoccaUmQ1rG6wx6wr.e8wliySt0_21_n7XvL6CUukr7G3FSGJjacljgTRKf2QgN9a6hkmBCikOjyW9vG6E64Pxs3prn8zyNiO._VETfbri1Gp0eDiZACRE4hldvWmXqOQpcVuiXwl1_bbpsEigU0NxcUFNXnBuZUD6G1sSs3wI4u1SOxE88Ui85OkO8ncfP6zpkFB8M812yt2jts8y1.02tJn2nwGiv2C0iIftY8C3PM6U.ppZg_GRBrOclWZECzAzjVxHuBB5Wax3kc81aoOJDTxG5lH3JD4eBvk9leZkCw2L9Bx4pheVojKCAsOns2twlbzykJrIQXFiBtLI_ur8ThoiqipBLuepfncXBLthDECZ3GGXkkePSjn5TH4kU"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=910f8363197dd643';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\/0346289751?__cf_chl_rt_tk=jaPd1Rq33LZYPu8oIcF35ScSq1KEGhlyMIb7_Kc4N94-1739394079-1.0.1.1-2uDX_oFIMITu4708NS.Ko5yAFAAnRFd24.ZFF_PwhZI" + 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
