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-982016682984.mit-edu.top",cType: 'managed',cRay: '9110cc44de51f283',cH: 'wdE1dcftDVAJCTYbUpXFalOUD41CjnNyZfe8l4kyKFc-1739407550-1.2.1.1-TlEVLPKZ.tkbg0j7201N045DjGn3CQXonxMSvLzwcdaJDBhvEO235ZUPbkj6EQgl',cUPMDTk: "\/post\/2987456013?__cf_chl_tk=ZxC3t4xYMuUqz9udnoOzeod.bNg8HSfHgR1xyqQZtVA-1739407550-1.0.1.1-YnbN7yngqyFTV0BUzPA_Q2eggbta.tVcjbYQ_6Tx3.A",cFPWv: 'b',cITimeS: '1739407550',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/2987456013?__cf_chl_f_tk=ZxC3t4xYMuUqz9udnoOzeod.bNg8HSfHgR1xyqQZtVA-1739407550-1.0.1.1-YnbN7yngqyFTV0BUzPA_Q2eggbta.tVcjbYQ_6Tx3.A",md: "Yc78TxtxkDbWfyCyCHLKSLrzhPIgESbQ1ruIaF8UqYg-1739407550-1.2.1.1-vLH_A43LUxz107lZZI3bsnGxzpTz76PR1FJtG_r9fJ2wDNyJjdthyTEHrX5QJB180IIMYdsJU35QIxJf_GzFOgAR8oQi26alBd0B98XNrAJAn4uftRwmjDBP.3.y9Qhf04E7beFTtmEKkIwH9.9uSQhIQB0NIaXzXfWof3A9VmQmLwNHEq_PK_g1whzohwnCqroG8DMUPnAwfR78zB0E1p2.7cGz6Uyp3L36YL5d1pOowXUE4YH8ovsvK8SiiID6T6bcipWos2tjscLZhhLNgSw7JPT6aSEDzxVe4vIfH0HbGLs3t0ipBO5bVBFxwf8xAhv_ARUBtNnvuRR5qnHDOP_4oeRGsSdYTbVT9DgJ83_wnJ6dLJZKvCblKK9b8qSYlFQ2e5C4Fp.fw20HiTvnrPH1xc08Q26iR3x.du_lsWh8GexUtz4ch2XmlcMCia0YdfkCppqd0dYj7Bc48oAxnZlneGQoR9UyXz1wtutm2C2eYHbO8ENMIjTTCtdMGpVd6XtZAEmcP3uuQtV5T05uZMfR2jf6t9AP5yjjtrk7neoa5.WZJfvGsuGmnpJ0TUdcXqjTbkFMg1ymtpCT1JM6Vla6qNeZjlN3ycOMy0giTheVtbzHpYAxzJImGWUXcQSrsbtNOW9OO_Uj8HgZnniNyx5yXl4urwy1RiJ24YG5mUZy1RqaI.UuKj8jzwDW4DEVJf5d1vrxRbFCuTnP3t0Y_3LYObVSklM0Bh23Paji2IHwkA2OWL5FXHZ0rq37TKghHBC2.vriN9SJjkTqr4NI98Pr1DTiRxCCev9eyDPSNqIKM0LWFgaE0Y4p_WO.BEnV749CsY9wjlzUgMUiu1JdxCbr3yT4Wy0lCiGVSbv91No._iKzQ1S0gvJiVl5cKVczBlGtH3XBL8un1Uww605BuxRsG78AG8uC25e6UmhD_650zeYR.8sjD9ZRLcwIQMj0x3YZeYP4uOKfBL8VRYrlZAh72UBKNvTBmS6N87XRPTIX6iOnsYk3YWYM7a88CnFmIMUtFGX7FN2S8Z6hZ3WvK_9Uk6L6EJevTx2HHCpYrfadG62oQcJgAmXncsQD8s8NJhdt0pXLbuGhac91rpCV8wp_XGL_azRaFCT91TRfdTEnMcKa.ftG3psmnWclbpJL1qbzJd4VLciBxhlT_sW8zQ8CkdBGFWhzJDo4tclj4rIBwwk_1qtAzRN1BDdbaVDBstMVCDVvcF0GNVt73.2xuXVAGH1ewn4ZEoy00WqbgTR_viBgr3JLQPrEWJWX1G8FNnxHWbPTQDMoDQS0WeefTfnCnn2Bf7WK70LRKz4IIj2iKi0UkGaQyp8I.JEO6fmDMogZ3HsbnqleoHsmVlEYAMh7L3liiPRfWPgSNHj2NZZBP9F3wLfHPZ027E03asdztWw19g5Ac86JKEHKszVaQuP06.Kzb5SaBlJT9g0pymCNtVTCtasWQEeQjFKE8QQGkOXrf9ZzF9ScMidhrXYMGNLrQop7lSzqP9aPbczHpBckvdOyMujCuLVZDcYlhcjP4LQuJazLC1thHD_L1Fgy35Odt360DBzBbiLsz6alkju9K_d6of9ig7D1S8YVRrxqukyWN8MgQki6XX_CqrACaMcenBROzFGs511iZ2SS_kYPxjjzXyCUrGQJMYamYwtq6IEwEX7xfQUIwP4.q.XvOFyd1c5ovou40P13s3j92MYUXVqpa2BPHWBhn59SWHDNDieSWqIe1zsTCQflNjbqySijvQ3PoTZUkf3Co5bXLp8QrlFuQP.aZZpdRPXF25xR0F8VsMQpKm6b5g2bm.M8g9KAVMa0WvWe8jndfecAtUuIx3Ub0lCvL1Nt3EV.IAd3zAAZyKMrfq2Jt9ABwclllTKiyVRazrdh22k64MOrQPFNihBi4nIACJVMKhLmGIBRTgTe1sgYZATX.Ly_gRJAtqxBhL7bINsXfXitYhEObqEbrRFTaivVkia3qnd.UvW_vLV4GF5cEucLHgBvTG9.aLRxNa0LS4KxdLBnbKKpYsfF3tRx4oXxQqT0kHqqAcecCLwhDjLwMiJDUVpYY_7fYQ0JVTJTyHUOhH8ftG85H8.TL07ZIOV065Wgr.DO.bsodf3mGlZu68FNZQaPZVU2DaFhlyRkJWcljCMs.Gni29JF7MqDan.XTrZgl0PWdZ7okSHDiXepKDamD8BM7QoyYvLP259jYPpy7Ajb7N4nuEGpJwufaNObiZpgZPytna7w",mdrd: "4YqTiF3Sctv1fL2e7oQP1Mjm.qG8_07qkJI.AHesNZg-1739407550-1.2.1.1-1IBynRClVHhWgxAcDzDbwWnBxET6IXBVpU5oGNrC1RcxfqH70OUayoeEAYip4rNalDH4NMCsiRUiHMZBzw8s034ZMIIRWj3lpRQ0zriwn4F5ukRUXcShKkv6iWbFZrQbJ2PrciWIfsNe7BJ0rAx2cS76snW5iIs2tE8z0ugz5SjspiMVZWejFr_06xFwHCE1iDg2gXY8yQQnhwKcLtLcCNVnaIxoBuAbzAQILF7S9q.sjbE1Ta2XV30Rh3iK4u70USSXncp2ly3y.Y8DcgnHwAJLETc1jD9luPkvNIt0ENfPjy4.jXEi6nIFcI9STN7hSOX5GkMZXcp89YmovU39Z8Si_Ood1V4Q8VMdyXz9ixu_tC3yPniF2sVWuYsWpB1HyBHOwIZniD9daxF2hbr8paRnnaRLtJ3Ovzavr9qOsYV1TdoP0cOx5IB2zMLcwyHebq7vl0WFbgb4YIHtz_jwFHtXwLsPGFY2yjjAtI14bbyn0ILBQ5bDJL50qrx3QX4.pFpK6TaIccAnqYgu23SxH2RqKoNVDXKxOrzK.tcA9u1F4sUNCuyC.r_y0cvH2jfE8YCwM36BzsiofNObNf7TDqffavd0zdxhPrMV0expRbGwAPjj0722HfNB9uZeBfRUeXT7zA8LiNFU6LfwX.9gpBHo9v4JD9pVguMBGjxD7tpdgJQXDcBUOADuBSpuM6aMvfr2rhGEWr7NGF16cFmZ_YNiXl29Cup3C0Ih15OFFsryzWGYaUuj0p6QBtjC7sJfbPKcNsT3LmiXQwEvU1N1ajxAh3_Hy.c3XPU7_fpVFCmZ1JkeJT4_BIsEVnir4aU7PIA7C4WZ4dPmZtr9Zw2puRHau08H4bzBSfC1ozNurRAbqvocY17xpndvMwVrUCzgdT02fnKQINumOiiW_SzCKC4nIzKr.kxsFV6y5opAhBa4QMYaRvBpGsnePx6DwuVQuoSlmke7ULGjYFF7UkVu2YOEyeg55MZLFzpSkEOkWggEAx_BX0xBn.ezG2QCYuoBWlFjoEH1O0pBZjI2BYFbJuAGOSN58NeF4j.OTPNj8Z05LcOoYjLn7UZys76Kq_tRuj7JFgGlwFJ.HsNZPWjVfaB5GwuDVzKqqCO3X5KnWDwduqRy9V9d.0J4NV4hHFwJohiTEpNXk0Z_aUgAleZYynXBO15J8swDt6FVg4J3kXrAKm2kZP4_hzEfdgsdxKO85YQL4sditMmRFOBah0q1uyt_E0M.EyQkDWRrfeEMwKGDfpc62gmHnaVNWTxvacnVKSPrkXwIAJqP.rOEUj2XgAKpLQRA9.U.6WV.9ThYPkIZP8C4RLwMvby66X.gdNuzZX0_kXVIdGt4V8Om4mIT.I2nn76TasytyFZF8Z.dOI0x5mQGX6xZVN02oT4lQFXntybaBCr9dkDl..GqwAoWT1AKg_pOVHEsZ5xIhRU_bOP8auUvRRErnjBo2WYiTYJaMPy.YVg5VG92syJjFDirAqtXk4G8Pr.2s1i2pSeHvMjm4GV_weVzWxuy9HNNEyP4KVsX.q6fMd6VUiMEn5KMbOzwuA05DRvpHgUkA5XGW7T9_rjnBGg5rJHMMJSpyFZuVur7hT0x66TVwQ36fAbAVl7.LFkPQG.y0xDwFGYxR4aSCiDIW_1N80iyIxlILjSjC4Ur0blWbZ_0DOBW8NxQUL_T2uyq91dZo8lECZeiW9IaaeNAJV352JNhqjeZ9oAZ5M1UdoSR4RQeQswXn6e4lr8Og0In8Mv0xWqA.WF2iWoQ6ftbxSCPA2p...iE2qoxImyz27GMJTgWkVDdyN56TidCbsGQBMCGt5oK2loRXsU"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=9110cc44de51f283';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\/2987456013?__cf_chl_rt_tk=ZxC3t4xYMuUqz9udnoOzeod.bNg8HSfHgR1xyqQZtVA-1739407550-1.0.1.1-YnbN7yngqyFTV0BUzPA_Q2eggbta.tVcjbYQ_6Tx3.A" + 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