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-798902590543.mit-edu.top",cType: 'managed',cRay: '90f3b27c194007a4',cH: 'ej3mGA6_iTEZeIBAf2_4M_wSouiioGuUUgkgEWLRmEY-1739102407-1.2.1.1-XFlBTwft_K7qHpEF.tDrcN2XR6uhj2hPILOyGnQ4MVWI0eHHVNmUUEgSp6WouFFA',cUPMDTk: "\/post\/5017943286?__cf_chl_tk=nNjS3BnNdbsFDrOWwqzeqtuS2N8UeCyij75bc4dEPqs-1739102407-1.0.1.1-Jdc4NXp35frz5eK4PzBvo6lFG5uGMxHdDJZa_Jzi4YM",cFPWv: 'g',cITimeS: '1739102407',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/5017943286?__cf_chl_f_tk=nNjS3BnNdbsFDrOWwqzeqtuS2N8UeCyij75bc4dEPqs-1739102407-1.0.1.1-Jdc4NXp35frz5eK4PzBvo6lFG5uGMxHdDJZa_Jzi4YM",md: "9Hy1jKWUE9ibdoyBUz_6BQYHILeO_nylYI0wU.IDc4M-1739102407-1.2.1.1-cQaTSh6nB72hhZfJw4_V0GGTbtCsbYmKscCyR5UuwUGq8mOduvzhqKWofeTeTtsWIP5ZLjgHaPB0TPXzTTwcPmcdNlPh42ZDA17d16vklrRM1.7iiZguUVQlxB0chukZbsHCE_EfmwIYn8D5CCrght9NSbiRww6RQq43pITf_Kw2tRMm2.u88JU8nSRrvfXX5P6V3EV3fbRNvV59RW2AUtqLpTL_YbKk4fuBXZ8eCyDOddY_zMe0VIaEeVDHgQHfm7k2S3JIEOUkzb3Ud1.uKOKPY4noPl3GG2_Kc2SeSJW02oIQ6g1DTUg4.r49cOLZj8EO7AhovAQrNtGaaQpmKngx_xheD8YKK7mpPnyPbL8VXG7EMQEghdpbMYcYRwxBdPj8ugmYwkkhV3yVMbRtOeSL_Z5npiv4dD_9OQPbnebUOtUAvTJXpSXAt8JDN04PGC9hx1cvVXg7iKEAlhMZBpRirZTHIvauIhWZE7ymYf_EFfHtrlJsrOkg5NAJtshAbaxuz3uSlPYpZig9uPMCVD2zVECfU5OgLxwD0Ec_3EUDR56v0CrV8TT03695.hW5_0ul6L.KQ1MnzkYySAdMUh8LulKtycTVSqUr4upfNTOyGu7Whg02xsYdJ51ATk.2B8UOcDXkaLCnMYTldSnVsSzigYnoTEAIf2skoUlm8MPtiOkb3Y4fjvsRXxzT4VdkgKECz2N9idNzc0jr4d1m_LdJOGfWrUyyf3cemHyilrq6vVsYd40oCR.l5R.7V9qD7DUDTIpe8sHkiBbQ92nT5WUdWXsT6JcI9E04RYAFX_X0TASQf8IlrWkR4Xg6Oq0vhCPRN1yJ590fMbvDbpVfWz54IeJNhmCV08cY0jNDlROycE44JbAF6V1DU7nezoGNK6H_hm8sWTh2_3Z9xaLooLtVeF6s1LUpzg0zAiAOWHXldR3KWVSBjP9VnfEIXEYDI1ka7UMvZHFilcZmG1CUS9onCeYTm3euDEVAXKvJsrSDlfqTSStJ8K8r.aow_DjzQViqJfTIgcjqHSh9C72X1JhSOwQ3PUxNH6SGzrlPdq5jH7qWabXyoONEaOilLiWcrXqq3vAffz5fJdIZCQ.OX7AoWina5zBg45jsE1nbSGWf95eNQ_gcKnkUyFXrEhUNnmH.vY9j.HmPqTZ4PM9wOiboE__AmlaK8YulODD3k2wgGv1vbI9u1msuD_gx1yF6VOIc05R9q5f55kbM9GnnbpC37WJGnM0KCFpsSwotWyE5QzJD3sN5.TRjTRewyzXAEw.Aynnyh2iO.ywWp_ClZC2EA0jMXCRoRhgN4q8MDlJI3cxKg8yn8bIQzYmvRYyht1WyhIQIFX9L4_Kl183EQLlDfNNNvi714d3.mjLSkPXCiYiWD_bihbNsPRywD4DahgIV8Oyr2a8bKcHldY9lvsP1BQjh8_Aen.V_ENkd.6SZGqA3mvisj6FDKUKK54OZDc8gAjKYVl9nLbQnqp.Qo.1xPfVaAs9E2LPnchLxhb0mBgAimBw9KizFhz89CdCc2mwZDWyLyzAcJFy4ufYJGLMTggvXpvzL6cjbEeBkWqp4ZH3fSTCPLnipmF86Ftq.e5Wa_dFjv_PMV80QJ8aBpRSExnwHlzTHIb2vix8ZMR8R1sdMxaVb_8Xxtdt_8tXSrx6xmviEGRfYDUropaZFFJfJ9exbd1yy4gAUkCPYMN_tcp8S9CJeF5dNHq3jg45Y96z0Or1zv.gh_wrHf26sSkmENLEiRYPjoLn.MJEJSQe9YRkJBqBjlPJOLC2PEGqicq5cZGyd7jJSHUkfbBKdOQoc2QI_16nDoQVGDnrg.qlJFLyxCrsFdUjkh94l3yo4JcT8jjNojZYRzLGM01wy1dSdjtf_FKC15MfHX2fWpNFWOF7oY5fjCr2h3OY6EhfOe9POm494Qj7XuzAF8hw1Or2gW4Q4lBfOrT.dUiofodJ_C1f23W2exLhjqQdHSyjI9rxHq61gBDtLkYzpxWpTUfykQ3edt56SJM6QEkQJ61YmKGVKGxFyD5NVtXbXXLUzwHft.e3VjAsvGJOavR1bjShNm.x3ecDg76.6TjX2AdPCJqvsi91G.ypnjJNjUTL3jKNz7Ms00sauUj52MaHeHwKUUjO8goLoJE9wN3rLB.xoWs5y7hGRJyRg.s71u.hjnIn6V3nDJKGevuysjunMhvHWVwk0hrRM4rWe8wDLZEWQPJiILTfa2LCo5Q57eHzm",mdrd: "4RLH5DxE9YPxjogZtqJBlM5dRXPJRtfAkeqAYcg7Q2g-1739102407-1.2.1.1-VVXqY4S62AL4FZ650thVtQgvq3dSQjpZnvFxy24V7iXP5KoRrQOlYUEm25OaVUTHWI9voQ688VSIgdyrjUxfaIW0RCBhFDpFcVAC73JidvlT1zUNdyw0vFfb25MjgmXCxB5wUEwgnz._A5itMq.b5440zmTLvb7L5lc_sBdGfTZLK4MNvZA8GKnpWsxi1utYymW5AmF0IbIY8y0xSsMnOnL97W7uut89FHsr3m9UgB63GoMoNU.lw6CKfq0YHl5YeMtcpNwSlXDtpWGI54..095DkMZ44jXuIzl8z.oY4MOdVMd7Kv2Gr_Lct1jRpBsnu8LgXyWIKWXBXDT6eVDY8NDF8FJca6J9WPy6XUj2DA0nzDLARTwiKSDlDvTmZojTqtTLp1y.SJH_98I_waTG8uou90MyrW86.kpf2CpJy3bD3_XRv86zv7DcpA_A7j3UJ7bAdAWDilwGuNvUsygdUgilHPwKeLK1bSmH0tDvy1BvZYDOa1Dfvxnmvl8DrxWDbJPS06EPBO_AxIieDEPYUu.QyRqQCwRi80bkK6zO.sv7aG4d0eMm8IK99Mcvy1gDYKxMPKGE2XrubuypcGdfSvPWMr5XIL4ADdjvbvvdlY_xR5r4gpGqq0Q1lMOUXifJoJjRd8MaQKuElGeKwym2L30kuVvsfXcRqYkh3VczAFKIgcM7A5WhL_Sx_59_IeyTW8V3tbipOQG0YLNx.7Md1d7nY92l_rSupamGHrm7QYQGkAm2sBdXS1aUPNF7DqKAnJpWBI4f7gCvUARpTNd.oyYUmpi1AocZUVNN6LvhDR0ir1EqaPFFXUPMWacyvH9pzdIrgYyGm7L8eT9MIUZ008ijLnBY_nT18echPGPRC2nKR7cqytv6Ry3qxoexBqOLwudMvxEgCXKpeDtuoR6mzwnfJLNU8bpgAIbA9zmhYbNeDPkhDJM_8hbhdh7KsQOBVO2LVj7HIrSY6ieKiRN7C9BUgK88UiY1zZIZrnC.NOwNhjY_s40BsHgTyESX3NhTs4sazUu74rSiPJtHNC0sdvO_wS9f_FQcGkWKGLIMx8BSy8TqvM6vySeADuJwPUmbSMlbxcpf6wZzf.2TSOXVv9c2aGxCqiUD9dxVYW3NISd7XmCbVNqwHVd8j46DQJl8mVSBiT0oJ17tKJo.zMIky2Y9ZmARKUZofT7yJ2Y7B5S7sHk71QOJWKQfdr7uEtutskvC6.bso_1bisFY.gK2qk0YXx53.sOLzhHMeeQm6CkWRlh8aPzmdB0gmRFhtEFUJwXFdBEVemEtooxH3TAOVE2OX.rV7WkV7DpTj8iIhmXzxCwO.czQxOljfmsY40.IkbPEy9E5jGicX7bKDFC0Vi72Y1k.BtM0wGcROJR28Y2JXClFw_2odjwBQMXE1E4Os.LwOQJTYUeCH2e65i8YdBGsgm9nhj.Ho7ovrEANfCOv3MfZsAuI0JdT47Ckv7E8P0A9Eso_c_iwoAjrO4xoyYDAr1wqjN5bPbGXRG7VTaan7P9QA8AeI5rLfieuPebJQYl7k54rA1_.i70Mcaj4lXCCKH45e_z5EAGiu2Sb6FRBNhfWmC01kld1YnzHqWdyCy8zIEjYxRbvpX1QkxPRMcdSapKqSln_wVyWJltBmpQxYgDOOmb_RRni5vPnVQs9PF20YC.gjD7nmRtYQVGzU1JcEU51Sxlk7Qpk9hgOye_z8OCD258JuFZR3DT6Iq7EeYjvatX8Txn1wVKP4LIoO.GfiZfB1T7IGN8Qgq6zxNaw60_m6vfB.GAI1LBRLuLQyxT5oswXq0SfQy8wCvvq_dR9fc6hivawZfmuHITuRh8"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f3b27c194007a4';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\/5017943286?__cf_chl_rt_tk=nNjS3BnNdbsFDrOWwqzeqtuS2N8UeCyij75bc4dEPqs-1739102407-1.0.1.1-Jdc4NXp35frz5eK4PzBvo6lFG5uGMxHdDJZa_Jzi4YM" + 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