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-130823632360.mit-edu.top",cType: 'managed',cRay: '9112920f68885a4b',cH: 'qxjmOdlmgR3taLJrBf1evSZTgIWvPgnLjgsAQa9Y8wU-1739426137-1.2.1.1-2tbOlnfzkvOtrq_V9aiDWdjUZxFb9_MkIcg6syLP173vgv0ZHi.s_pZUrZBehqfv',cUPMDTk: "\/post\/7291845306?__cf_chl_tk=uC2mkLUay24uYOVKV_HUtd3MJvKL4WTFVQn6OC05xm8-1739426137-1.0.1.1-c06fa2GMMHQf9pl2lomTbqC1K18WLTCHKan6UlcJIBc",cFPWv: 'b',cITimeS: '1739426137',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/7291845306?__cf_chl_f_tk=uC2mkLUay24uYOVKV_HUtd3MJvKL4WTFVQn6OC05xm8-1739426137-1.0.1.1-c06fa2GMMHQf9pl2lomTbqC1K18WLTCHKan6UlcJIBc",md: "5H20CwuZX9XdrQxSLZXPiV_V4_x397wjttumXU2U9rw-1739426137-1.2.1.1-WxbFFneqWXVo9ixDEeA9sz7lnZWZMlIoHsUn3KvJZGVd2LEJeQdtDiL0xmJJ2eZ9C8i0bhGiCnVUsy3YT4nCXn7DiovpU5lWTJmS1RTFV97g9KCCkioMF1AOrVN3154dUVxmU5rXzQtuQ8JQjr.MkpiFd5JQjL3bmgKea67OXhqJNSQty3oSC7M3fjIQC_u6PVoGoPo9buaTLWzoi.LClqxSt.qfMb6NG7zAPzxr98eGOWvAeDzskReV8ZW6ufSjeMxvqR_Ynm3r7heiCo0vesiqTCwu7.kjJJgvIg5ImWunImw_IgzT.mEP6FiaibGIIYOJtfU5bxMr1Ut7XbECDmwGhzx_t7qB.ioL_o9jUWFhPSJmKxx5jf74O.vPdzjvcN3vBJ8J0p7W2DrOd0Fxnmb5jRWYp6B3S3rexeKjCAj0ERO2JtwntUvHNgqqRJWGBIBPlOxOjUfYIq1vjhj35KtX2KgbJJV5TLPEaZHTpYsBNz2_EXnwJI757w2nwtoat9OexHvpwCOzgP_pfCHpbkw2ft7Ez2pNMFFWasJVx1rUypRGe6Vxr2Dst6RgMJLetJL8oFd1sYiyWNaVcYjwVs6ZiFymyNmyyfSoALEgn402Cp6mCh17PS5MiKQq6Kk5TEmvSEImQXZ7BqUKHazCm5uYAbmV3phjuLc0j.F7fyX4et_PT_TIyzFmTeCfVo1TRLOf2jkr2e3rHxsrI3qAQsuKtR.cm0ZL9YcE8iM.LiyhswaCOJa5xQv4tGAW.4aF.bTZebuqJ_wpOjM._6hugVHz9yg2_WLmKCQht0Ct4fIzNp1R7unavx7TPF5YNoGGIz2ONZ78BsoEk3NSz6BPZghDaF2yX7ajXK4s34WI_9UqjcD2_F9LlJogBQHEyZVJBUJgDGxpQogxN2K6HL9GXZBzFlwDeEWvu32UCVKNbf.k40gfwJt4HIYg3LcojegEPRM30JgNnY1EG_HIA9Twzl8yvqpzaJ8_KoXFmchgehpA.oTPty8cJLgtMeh_3S5.bWTOkDkRZZf0NFjSbvTaFuSWz6bjyjaagYqzgztGOp9aRLkBFyIa6u38azrGbM6cIZLUt.rxWIWFNVj8kpMXfL2x4deAU3w2rtzoXSm.ALptBg4wMsXnWgCD.d0IE5.xc7kh3DkzzkoSLciQk5IPycnrA5OR3lVk9lzTt6Vednl0GFDXxrdI5CD.WHJQFB.Yer.55z8N3x1QZGyM5G8e1Hyig7Aq.OQyRsmffVGlle.MIsrynqhCM2.LwUHSrzCm43ELD5ns43lMU8wYnd9K9UQOi4Ff.KufIQDZQMF0Ps2bZ5uZ.D6dfKjdS5S7pg5fcQcxDgwk7vlVa17VWiws74vgCyCksEhgnKpum3HQzSlMV2bQQcfvzCPDm9y963zZJrQ3fzKs2nN7kqeUSUOog9FW.X2KPmW4VCxulfdX3NjwxdLVUrUcYuCxNZO_bQphe8SPGSmwrxYasrnQFVQAPw3aR5Hl7gcvNFVJTdTE0qyhexmLJB0QZB5QqZCNeZ3XFXWGcEpIzoHf4kKTJj0FnL6xjCIQv5tSuoYcYFc3.SjKrHC.jny6wv6WDqdEzpPL1iiSB3E7xVuysDpL2op3_UCsGbWCNMY59Ye_pWEzXb97RhuZAHl2K67oBjTG4EOKySmFxA5.ZuZITocHzXmLxJ9Azip_eSAHkRP6c0LiwEZkg3I5f0wt4c28Pv9XaGc_R97K7MO8Rd.ATB.1kER8MtMwvi9Av1UFt4tHpGvkoJSoOqA.yCMrBmg3iJRx4g4_orwVHbF2JC221PjqILyNVRTwtpgJ01xpV7A7mfD.cSsYrSTMkP.D6FiLvCP0zXf2F6SrgbpjLadKTIFQlJtI4ti7aTqcyq6DDiyGz8Qe6rNVf19sGI1KLSNtSIwBtgsL6yQ94IxenLehm4rrgLn0Vzg4HlaqK.me.XwNzMsqNc5pcCu.SIbaShh6ckT2M66314gZFjwT.TE80PxnOtp2WTVVY83KSgxpaGbm8OLq8lVHgAxqAKDwStsQK.L7Q5F.bZT2eSnE8Z.KM0iGtpC8b1S8c_BenQgPplwdYrtlbwFtGz8y8ihsq_4LToRco5iltiHCbClpYkAKlA0FDuQ69EkeNpKewY5roWpTbM.die.Z4LzTfpwSBwZeI6IOz4415KO_cc4qmr0nhenYJfSP3ci07J8x5ZxkBY_q1A_C4w9DFBdqI_koefUtwBoLVlxM",mdrd: "ZJT02QPOa3hSCsDSSg15tR29VTUVdWJzZhGGb.KHpQc-1739426137-1.2.1.1-XJFUpfcEhMZfJjMWJ1UIk_lc2waTDj9p7Bm4b6Q1Xb2XWFTlQcYecZL_unVSRbzd0XkO6G22cZwSUeh9vpTZ.IaDqOz1MxD0JLsSZY41vNo7NBc.Hd7I64VKJKdYRmwxb2QgG3qHULByJdQiX4V8rApKBomO9g37XOa4npnuidBbbo5oHHZHhG7fRfqimnOjqvJFrR.FrpXMjUqlOdhP0nmX3wi8JEa1m8zRt8H_EuwON6Kbj7ys0wO4fwxDnGi.LWeQHK32skhUDoTIKQo9OyamyVdQoakN0jZYmCXDlf_VmAPeT_5v1dojmXK9nj8Kbz0KLKtqfz4Tu8_BOD5HlghzJR29NHupzGZIucikQt0ae1jg9_BAs.S3GYcG0EdUVMoobX.cILOBnHBj.XkS0bnL7s4Dio0XnyxwcnyPEgtfScXNdcZD538.RTSDXb1c29QSG1cYpQjSnJYBZ5ru4WlOYJ.K7rAlD5WBAxunxk8roAJp9PVwgQvR747AIYmCteV2oUV0xQ6fbU__ZLIhUBNxrjFZcno4khH20JksUbEX6yTj_8yLxFF_96zGjQU6hbX_xSyyyyQ9U4s4skArjcqnXFO2tjGYQbHr9mUx4TOKdxN_gt2bS8Ug_4UPT9U2pE2ZvjnxyuwJ7HX1esPNr7nN6xgfEVuywODQJi3dBIj0D8WHhRSclGLK5skmUVH0GSJn6CgQb0SwfOpFV0A2SQ_ZLoH1paQxHbXquiW3NQ6k.HSZLU4HyKdvnXK4I7l1pROEhIosdSln1e0H.0Yeag9oNvpSuhHOyVwwtxgevUPqZeDztKtP4EeuEbAZty9yZISONhvLpgwBDb.xlLUzgv5eLXtwB_l7IIwAZeXpdXuRgyhsP4dRXoZJVtmyMyplyMKuiOQtD7UuKAFlevSWnPYb5eZ47qwQb4iCyT1S_cs31Q2MGHZOA3ImECVboR4v.Sq8ufT3Rbmy8kW8Ab.5dGx8uWZeH_QaPaS91p5iCSsx42qnJhECubIsggCeNlAOTfNRy4iUUxk5sS2t58pJ4Q5KeYLiTag9Soz7dhZZfD8GD5OkAvBlp4MYfBQ_JxrAQoK97JKUWs6xe2MPgMy8jLFEdNn5IZ_ToRH0f92BnAw1sQs1j4j_fSpxnO2.8u9hvhdeklJ9OLL97fF1.YPmXttLMYzCqo4ZkVrkTCkdvFZbdY7DL4m3sQmgV2FqP7qUXKOUBUmes_tuUcZZiWAreKq8GNolPLPvUBuCNkyQQoYYXn2m9DI1avXJD_v7b8BJ_kRn0cIVDA9UrJoBKChp688wygUJJzFuR2wGSQ2tpodPyFt247KKXDg3yvKWk3efSb3KTrCgUgyI4Nks3w0T6UpJRG_FUgcMj.nfqteqjoT5LOdb7irhDawr3Fidbhl48lcQ1k2o1ICUkHhoXtOHNNs2cPYhW3ppq0cdD8Wv13FZujtQHhPbqsIx3UY.zfuApqOhgB6tqA2sigFNgZDV69xo8.6NLShRe4yjc2F3S1QPb6nJ78q9h5noXOHhUnFE77D3uyFJvvrH4_WGjdt4E7zuHnp4H0roacQb222rkzR5BNeueQxRMdqszIi04rGZwuSp4BVdeVXnWaTVpfiBwSGOxOgVwm66K6Bzz8NE7xPUY6LyJ3y9cx9tnTtdkSeVQTiz0Ob0XFginPoMnMjToe2I6EOuhST67dhRxJKzZP8_moMATK_bkF_kO_zV87y2dihqRGgMl8U1UP_dJrR0JSTRWKVVe3AkFOx5mSZdGt3478t9Qjgk5jt3BcF6Nm6ki1SQId9uvv2aYmF6CC9ASeu.uY2SOPxJKtwIz21iItM"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=9112920f68885a4b';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\/7291845306?__cf_chl_rt_tk=uC2mkLUay24uYOVKV_HUtd3MJvKL4WTFVQn6OC05xm8-1739426137-1.0.1.1-c06fa2GMMHQf9pl2lomTbqC1K18WLTCHKan6UlcJIBc" + 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