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-259938037427.mit-edu.top",cType: 'managed',cRay: '90fad38fb916f274',cH: 'QJbadNsjsz.FRtHQNMcLIbqp3u7ixJF7fEPAUkDhBtc-1739177162-1.2.1.1-9iWg5bWN5x09r0agOrZf4kXbM3KHykCDXeByAPqabgXTjNhRYj5uoPP3iaUkZvHc',cUPMDTk: "\/post\/8364750129?__cf_chl_tk=Rr_rIU66a8LY8lyeTNJEDRrrTqzX9gNJoPGL8p8Cfuw-1739177162-1.0.1.1-PtdVufNcPNJThxuACbWjv_I1OYlgU0qWZjkwpPnN8vg",cFPWv: 'g',cITimeS: '1739177162',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/8364750129?__cf_chl_f_tk=Rr_rIU66a8LY8lyeTNJEDRrrTqzX9gNJoPGL8p8Cfuw-1739177162-1.0.1.1-PtdVufNcPNJThxuACbWjv_I1OYlgU0qWZjkwpPnN8vg",md: "NquRbe8RzUVs_HmmCoIw.r3h7k11m.xWgtKidriwRUs-1739177162-1.2.1.1-IGzEvWL3jgqfxH8l7A102o_RV3hkJIR4jqsRnmGbY9x9qlbqVHAdC12gRjteuUj6MseUD3Y9wSHrywz1T4QSYXtLNo39fjGYn2hOFfCvIIbCGTuC0jLpYk14I8JN_Dc9fi1G0HlhkED6bVHGf5vsRRj0JjgeDtua.DyD8CFw6nZ3oiaLZCBAKZq8MvvY311jnJKpELpCJ9Zcpp1tJ94tkjqGEkXgSzAkmeJF5E_YPaGPtWEgn0_OicPcs.aZ2bM6hP6ujqKmKDUOlizB6XwKIciBYZae5mi6bKu5oILjR4SjIshKy4ocKymOkdOMDudi7v8FijKna5LcYzN6LyEUW5rkBNraeQvMxZ59g9ftgZ.vZIIpmxDURwNZZsVZQJ5RWhfPZStKM13YxuoJaMKCYOgKnNqV.7U3RupP2yLBuzUdpx5sp4ixAU0xZZNLUVSP54um5o9s4GDAIZOAXVOzW63JqC_1PaEG4m5XpIakUMCkYQi77lXaf7NM.IB4HEw_XJZMCiwwntbVIRuMhR_0C2rPPFc8hF31LtUR8DJE2tbrklD5FkfbueofOxegktLhHM0L.vNrMAfZqHTYCEY5_V8fkXtA6sSOSvQJSgUcF8kwJV2oEl3ij_i3uykiXGM_5M0wWn1jHwJe7of38DOw4LHUoo6DL8LKzoMH13tS7YKySHAxrH7pqt8O2z6gjUwddrHnmp2InXXyNga4kCGRIjOxrzUINhquOUdimXoFxZz6iEr2fE..mzq5eR0FQAE_4Ot0Sgw0yoSDUB6.laLbMuneFKZWvrUcSkrdtZU.MH6ha7aTsh40Q0ePP0rbcBNJwsOfOd5d9mifBEmzhxPzHCWZw9vekZzp.1L0GpFU2OeT7j0whZXdckK90KmfwdesCF3NDZMLzgwNDi0eTcB6Howkhd.Es.jrY0.ip494w._Bvb7w8SdNkMUYZlB57NmTA2V0hbdfljOEMlWQOo4nlfUFkc7bzdhu9FG86pb0HAxUSmjnw5VP_jfT52ydnlZ2Ai7Ecf__V7UzvpSsitBehoZVUkxDRjVXZXqo.cqGiE95KjVJ7fC5OlgF9GyEml1Rd9leallshvQ5D1.VOTUYn9lBtNB1RLncNxEpghsPxK27nNzEeGeJLWerez1HsqRD6XAP9fvTItMyY85v3KHuCTePbZktCpcdxgBUC6ygvihCKncJNI3z9UJy0pnt76JBtV1JxZP9DQY19qsujcxqwPU2dMgc9twEWwdQOllBWOkA_XYIYSWkwqAsNPgrmdGeSGBPZOQNN7MYgrYfMvR04Gaqq2NP8cUpBvQa25y0ttaX67a11aHF9ELs4RAli9dMxR4FwR7uhJzwWAc43NsKyclxZPfzwZF3oPqmnnLSmMh_hyDKTAI9FXFL4ke_qhLlGDHvd725BQbXx0aqbaQ1c5MUZZhTvAprSBsxRib4eA.HfOe6eKLidcbSaTXXqIFCDBTbWBjy60ypqv7uk_vQmk2uJxXQT6YXs2zWWb4V0GGOmfLiEhxPOHxBb23WYPfTEFsWh3ADbTe9NiuI6a3yGBqQjpu1heEcYAu3GmDhYpfBE6.RvFnKy.2iOgKQ.wZRRtotiHqtZePFnz.Rrbx9mWVn2NVzePFdz8fxoeOAmAoB_8drHjfOZiH.WfzSdOUoJxizJicizWfd93RX4QTOKAw9DAZ_qSiN3MVPgccq3JpPKDPz4apqxhD8wCNvzw65MsywIqs2zmq01si2ZxtAeCnpc69.Mgzdqv8JbQ0CW7TAr5p5CGVPArvNe7yIkUUJbio9VJzuvWYgds4qFpJDmDevzSsTtiE8qaR9x_CjokJO_.nCcvZGM.YvMslK3uM0Txy0bRNEfGYXolevho49S.9L.4jxs3r_fNkW2WJuXH3.ODLyj0FMI_R5QjAxNKLLr8kJ8jDpmw7iT4PLTRNgKV7QupSjeCXnkNJvav_ftKjMHYzWnFd1t4h0wye6OsnYSRIVP4ALAZM4M0_a5ZgHS6ImktHb0hZaqdjsklq9UfTyOt31_1bYaRHlepu84odB1leLF_S8LFNgYiouco.aGqe7mIbIB3FuVz5vyX7tnbNupQ3yo5g3E1JBIFGvnJpzG5FuBnBtk6ZIOtJNPG82nTrqLZz4qdo5ft.Hi9WaIorSbX_eBp_jSogrSz4r1BgZpAdC1kfHPSpyTpZ0oAQAocVd2zXimtb34Inr_nwwtbnHyE5LT_AbeiodhHZF0DYi",mdrd: "Zc_I0QfvrJAzSvvKZbPR_i4tQTlMfrmOWAr_MKFc5ww-1739177162-1.2.1.1-ytcMX1b.IqJ5JxtsbQ3u7LCaFmoPwUVecCmDlou0Z4Yxw2xjNqC1U.5strm9QsIGOzzu_0EbZ57oeqYt0hkjnc0pZ4ZVwR6IEJn3nRQYcN_f2vnVoHCX_INI2WreCLj8aEMH2bu5kNxNsqchgnuWj9YVWgGXmED_fATaAfX_QY1uwVMpD59UeGpDXqLuRWrXOOI_w2QI70BPCAhxLOC731fNK.VfwTWnCoNJj7UFvainWPnmVhklmm2PylZqvKv4hBx6MZGWQ.zixojexF4bjfBVD9YDBoHQTFDhO9tU4VzYyQSA0EIjVgUYl0zjCvjebaX.twqGFF3Dh0NsJYq1PyOtKnTt127zjS39H2wj_czgGBGcgAKnEFavwEtaTyGAOFL4OoKlpbndDu1x7qGjKNjCbykQLnrMsfUnEU76qcOL0VUBbr1GUMm.VASudIoqGUDJt1yr2pjbRj1MNTNa._KGJ0Iy5czIuP2eXoGquK7cO6mR34Mj1xzFTORpMUCLfPqfT7lE.DRrCReMqs4H2k4AhkzsSlK4DatpzE_AT0MnkkaBbefACUf3OF1BEy12DApYoT4cSdAjsnBcQFR6ogQWTlh.Ik90zKG5wIhkSiSPhqahgTYQfoaYB7LDS9RvxCQ_5MK48zBJfxtTno5UPPQ73kIWJnRiyFKfD92fRUn9zUe2aLJLxiYjdhKmpV6FJnFAFfjY5TI3fV2PD18BJD9xIgeo5yHZCvSSANRJF17Jijv2SdAwWAl9bRU9j9dH5N4YqKNLwYzZVWUdxgf_a6urn.imNMTyePT1.xRk6a3QgDC9cOG5Vjp9weYFtIlKgebreWXOyOI8wXmL9FAJZWl0FU8TdnRSa7MjL04AJmtZf.9CKIgOWr04f1D8lD3RhF3WaqhxydAvZeaxyb9bI_6yFsg9K5srGdU__Odmc1rrn3_Si8dZ6is9o_GbhnOYdqC3cAiiK0_yFNDRA_iEK2VrY9Siq_LAe78mB3s2GYfnp297m6Iu7mK0hGbUXW3Z9zTuEGM0dG.1tIs31qJl1y7I5w1AsDpz9PUzZFTCMnMcMFn3QCksuc056iu.6gjP5Lo_cq_ZwOE6YXGvWpfmsAeLgTY793QzG9lsbnCNiQu1hhrvQY43_a5u0dUDDHti4nU4k_eZnD8Ay6GOX5OnXzq2jHxhQrnyyiaRXZGB.KBLnHxYotFWpojHfBrEY48Wau8vZI375ZMxEyTNUUKZiiuTP3BaXCYjrxdNHhY5C4tAsAQUAgfWC6bJGj7oKUVJQfB_F8f_P2e8yP3c5R_X7GBTGj4hLdiVz6FCwdaWtk1MHGyyWONEg5PRXkB9lM_xWdB.Nviv2YRp2CzsMqDxT9d.jKlLRR65qHw_ro.HoHaSu11y89g_vzXpuiY7xD59YBSDMYUPTiP_q3UgTj7zEQlCLwM.LTczsem9U_HBsRb4YLi9PbcUYtXYjH7JYdjvyNS2NdJ78AmXSmS.7J0eVKv1rWc.uPlP4ezzc0xM5DgtdUhyT5.78uUaq.Uxf7rte2RDeEJSuN862VdCUM_U1gYYKVKJBcuf4G5ORxKeO8JnGgoEOGzdU9IHbENP7iKmUMURMniGaLRw9_RyNm7KMwJu9Pun0bSv2Ra7TGKCuYUKbqrtI4fp7F5TMYiZScsGWVuMuhvJzDfLp4MeEgO_bUHl4mOaQPf2md0YgEGBz1.GnCHMd__SGfyH.zgGHxD7iOvDK.ymQfHcrgBIFEwc2KqPi3O1MeGqxBQ1qUMgJF1mdGCLbAjXMhsxWSDLhE1wIw7Cw1tW92QQ4mg3yLWysV.yWCcy94zMuGXeSz9xI0Q"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90fad38fb916f274';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\/8364750129?__cf_chl_rt_tk=Rr_rIU66a8LY8lyeTNJEDRrrTqzX9gNJoPGL8p8Cfuw-1739177162-1.0.1.1-PtdVufNcPNJThxuACbWjv_I1OYlgU0qWZjkwpPnN8vg" + 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