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-083647384709.mit-edu.top",cType: 'managed',cRay: '9110c05b5fe10590',cH: 'BfR3yuKoPZchXCP35fHoPLpZ4RWmFvferMhKooDP3CY-1739407062-1.2.1.1-LZy1RO.sq.kmEoMP6eydk4undhdETUkwVQB7RD1ihCKZwbORjfjFF4cylbU1hSdO',cUPMDTk: "\/post\/9635170284?__cf_chl_tk=xRfJ_97jSvOl4bLvSMG4IdklVP.n5BdD3Qz4y6SFB1Y-1739407062-1.0.1.1-cEzzPpXP_FZpNTQlxcJOovsqtElqnewNcgZLgzTqAgE",cFPWv: 'b',cITimeS: '1739407062',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/9635170284?__cf_chl_f_tk=xRfJ_97jSvOl4bLvSMG4IdklVP.n5BdD3Qz4y6SFB1Y-1739407062-1.0.1.1-cEzzPpXP_FZpNTQlxcJOovsqtElqnewNcgZLgzTqAgE",md: "nP0azHUXKAEew4h.Q0HxZ9Z.Je.Vw6ap9SKrn_68ueU-1739407062-1.2.1.1-GWBQWGzbJVH8Cdj4mWIL7ptA.peKsndvB8SboZsVIkLnf85USzLiQ67p_EPyKqPvWMhrCGfHSxkbSy3I4_FBRfoxTnTAZhq818bLPdYarTyk50B_bipjq_xtVqo9nb7kQpxvDNbTlVy9cccv7GZI62fhWgwfBJH0m8wRN5dpVouqFfIsQ3SCBaDGrsLHvVGz_ui.M.18CdDjocAYX0np8fJf8idM0ZgbufKzXvxyAcYC8gTD3PQs2DMrGXMsAxw887TfXosB6e2Gr_b9BOi.oQ82TrIJxpgpmrzv2XHpzbGOoKaI3CIYdy5k2mjJo3yutJ5Y2RFIUBsCNRJZ9DAHKyevPig7TfCBVSvYeOpB3Jd6iCgG9Nqd9KjFB26XymfpdlYIWUgcDboCw_fhPC89FvldCj3D6Qk6.tJ2oa564qbCWEsC1FvyJ5qu1zLzI8A7j4VFVdIV9KQXI4oOnUtnWuTuArXE0Bl0XWAg3ek_KUvlqP3g7C2wNrcMvJrh8ua26nbs7o9EwNflU7DTMR_QtPP7n21PBMvTsodXZML7p3rpNoSlpFRa08n8RYJx6RLn6sG6DslDpBJxbASuaH33azq0lF.zN91gFy6ie6uC8dfkRkcPQkp8Q1umfM74U_zJ_G1jjG3W76Fbv1VQLkTBAEtLte0dDOVYdgrJQ5D7.2sBsf2h9xgSgasm0Qr8ihq4lAZiCqR6BJXzOpmJA5d.izO864HsnGNWjGQ6XR9.7HwmVYo5Cin8wvSS.DivjGwVpcxBghJsjEeLoWf3YCyZPfhNb3pTIlQYkKgQKLNGKcNk7wARGzmcEt5FxjmvTNyI53MPlArTiymbVyUbvS9ic6.4h.QKOfrRfVbqEvrR9swhNHKvZG.E3Ha1WwPzdtFja_6DAujqxTTdsj7CCBwWa35l6Fp1RH.SOPz_xbo8sufGLWQq2ull98KHR83YmPubNDJW__s1O5Z84Avp1eG6dRgQpLa.j4_HFNXWHnk9IxQIK6znkSa7kCLmdnUF5JZX3aIwqs8YyAq6pByx52NIJqhaOqekRYcTniVwH8F9J3GqjIHZpQXdcnKcCCsRst7dcYMgRvZfQ1NYSnWF3Hy_VBP23.cuyAaaMJq5jCsBWsgM.enRXcRFF2MQxDprXwXrqeiGfpcCtOBrpZ1WRMD1G6VpkJFZklqce0nVuiAEddnQS1bbBBK4vOpufuls6VWb7dHKGzerBWpjG5hNw.7RgdtBuRvcfCZHzSuRXcQh6ZqKEuBThzskZ.S_D0YcH9Po2loTXg7AgN9Z0JuTnaPGra2Om7cocUMcOK8ah4dVkudMxe.vRyqmVsm.zC6xzj8XuA3LLFYxf0l7RLaIo_LLh..mnLT2uF9Tx_GOYd.opdI01Lgx11Lrol7sQkH6_DgX4F7TSYPESp6gigdWIbIL3PsvGB1nFhkPoJemxaJPgTQcLd6rJO1s.hIIHUg9CJhEnbUSE0vXTCl.tEcCo7ltoAw.N2CcfnHZX1vyAPJ4XsyKwtvx.0Wn19Gt_sUdna7cdorzvROg.5BvJbDiAPnGDCEqh0MLRkQGxTxJWSZifd94.r82fQhOxbrBAfusV3p23fRPOAby0OkCyFpgRRL9Nsz1hTGBYw0ZpZB2CdWWBeM8fDRIP1lnB4PLfB1uvTy6hAN4ZH4ax6WJzcSR2.vjhBJ9yey6IxzlTsEXgE9qNqaF13j5vD0gKIZT68Ba5bFc0oHQ6Mqvn6X7mZ.JiBfDu8GEybr1lzki93nHwkxSqSXQTYJk_ygaDBl4Ww6VYku0APtvupwvnfByBbL63_aYvPDvVkWQmum9GvW_3JpFv8uECihPgbRHOJKoDLmzSRAHKypXyXwqwSFJ98NLLxleDPDTp2GEemtKqEmNpiDnf4WBuKmEmd3g7lYkJ4mUH1b4MR.S2dgV26LOqdyQxKa3uajx_7f3oVIe8W6A6.pmKjT3qPj5rEvtShaSlG4OZibDUt31GZ_aH9RrGebZsWIS6yu40BK6_WS9U.G1yzFPuPaJ1hwsWOPfXZnWM55eqLL3evQI5ZxFGEHU5ZqueAosFaJtUqIlTxwwr8RVw_B8uqLfbxj0vcbUYW00chDWwRjKKKSPDXy8j8OCGNNMW2vzv5mV3SrttA.HJgfckhzl7HjDSyzWcrGxvkbgaiEwT9qKQHMmh9A4wQF2jEZWGkPbnsy_6QXnxUrpw.ZzOmQgBth4FlZI3D9TG1WjW7j6Z_yp",mdrd: "nraRKk2MjmKa1k9P8mL73RXdtplFdWXV.uIAGxFFtsU-1739407062-1.2.1.1-QmnQ6lvMLuoliTc8icqniguO6xNIX8g5XYo.FFQFxvmajmzV7uqMoU6NBGltabnrgAs4y7M.n._psNHPbg0SVoGBYpVScWI9PbRwTjAEIbhDYosXp51gWbbz2wzp7RO0uVo.UnJtF5ajiq8tpBDH1tvHuXwjktY7ZfplT83NjEVkcpFBilXrC.hRlXPvtQtPHBQFez92ugByWOHGu160BhvIrYEwovQsNrwLAlqcI2LKk47QkPbfV_Ruu4cbR9syuQsPLRiDVErFcnRbw0nOj.A6JD6KiWwGBuTbgDGD2ddAv6p8t7_Gu9J9VIRuAzs1ZgNEiWRbV0O3p7kq82FbpX91S0RDHOeSnmRDjtih.q0LxddwLnHucx2a6lz2IO7nN5slV5bduYdcyLdahzM6df9WkgilM0SLoCrmwlxCyEz8dBFNop38rI32sDN.tlSxcEMQEfWAtmrdcc32_h19Mi3Wg_ECczTkGpXPBDwrTB5Arr8L9AypaGhixG8WzKFHepb.KEMr_YiHEG7ZoBlJBqFRn7CV40m2fQUizeaGPuGDNpDArqILCWfudM39wqpKFBP7a.YK87W6ibEe.xB413XzR6rYKnJG055wCso6MiQQZ3JiZ8PTmYvexGwtbouqBQHGfI4lSg5pS5FMucX5TdAxtZJZSPYcHRV_eisMFBunwdRg4yomq0HwPKCUJtXUR9DEkdGC26RTTEnmnlvIvuoGv6MHc1Gewqgac4xtUTkSbiZHRWmNF3a_F1e8yvm0UfMDdPcBdcJUpiicBVJQThphxhyCrvA3YmzrV8a4yJp.64Y384AeiBNLsm5vuOz2Ypwlc5vZNhnH6zpVoX86mJPP.U0mB1ExIHp0aJZxupYdnlm2hFY_AVge2WCqkGYG2XmoCObHwnmGsgUMvGEgqVPAdAKUjON_KWd_K.kWrQ74ufxVB3pUk0FD.Ff6DNaBTvOjSWvGFqDJ1psycNG25CZ4skiu2MznxG10qZGb.z2fvLIB9jNevuIL3TLyQR98znC8nif0WNCbZqScp9VtbX1QKM3wfpFdtqGIw8x1oIE9xB.W9C65WoDWv92td101u4l1g7cWmYXwhAEoHYnABimIPHlWIpa3TSrfhMMP6ZMGwSJ33UIrePz7CIJ4VykKFteWCoIr4EUHQJjpkU1GUWUspCkZUgriOQB0KXIRN2Q3le3VtpWg5HrB4nqPya1REn7QNldAKDPCUZ7XBsStyoM3YJzrfZxlzyEKwHFleOz36v6wZ15o2461BfXUSREYsWHvuLdw73HFgY2iquRDqq4wvCoQKjNJkBNGpOCVHkC3LzuLTh70w4fpyM7yUgcuE3GP7EWnvoorBhwBl6HHSus_M3QigZ0_cyR.Pe4kRz1x9S15c2R4dTgsEMQ03zlbnbPIiGqbvVMOkzhF7bS0PAwV2MEtIFdfJwBfKjfjNbEuizKRf7mEaiF453zzakGad65a4DZHf1X1bqQizjIfEs.WNd1UAS_tdHIrZJHm8hVRo8dNazuWhuJC0yonO.JIaTEi.cemnRjHR4sYHAyU3f2WzHYbibJ_DIzrHo0lgCrCFWjKrNvRLb6ppZ3wTn2CP1v1owGdHEdeeEHqSDf8jRnCPPaE6rYyhARwpTk9ZIqVoOghaYyZmR_p0FE__zRx6hRrojzgzZzaH89ZLEo1mn6U6CsiKl448QVppZQbm8VsPBrqjG91G.dVq67hnmWb0bgRyDkoarVjVJyH1FmDZ0lf47jdAlYS5C_QE.YPuTlWbaBhz3FIf20bBx4H4klTh2.NCladH3hP1nXO4Yb4zA"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=9110c05b5fe10590';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\/9635170284?__cf_chl_rt_tk=xRfJ_97jSvOl4bLvSMG4IdklVP.n5BdD3Qz4y6SFB1Y-1739407062-1.0.1.1-cEzzPpXP_FZpNTQlxcJOovsqtElqnewNcgZLgzTqAgE" + 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