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-090272036691.mit-edu.top",cType: 'managed',cRay: '910dedd7ff95d650',cH: '.A.W1APdP2XC75vZHq9Ay7ToSq1sPU1movlIg11W8OE-1739377468-1.2.1.1-2.1ZHCuOCsDfY8EuyT8NG_420nPPNPrEHm2YJEcwppDTksUJOyyr9jv8fIiD8Mb8',cUPMDTk: "\/post\/5283679014?__cf_chl_tk=tCEzMHj0IV15lKlMWubZv8bM2HClO3puPD.wBEOuC7Y-1739377468-1.0.1.1-ZUW_AYUO8sAm2HzL03TdTDvVmTSg6n2wBW1KwzEaaRc",cFPWv: 'g',cITimeS: '1739377468',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/5283679014?__cf_chl_f_tk=tCEzMHj0IV15lKlMWubZv8bM2HClO3puPD.wBEOuC7Y-1739377468-1.0.1.1-ZUW_AYUO8sAm2HzL03TdTDvVmTSg6n2wBW1KwzEaaRc",md: "vXZiDlT3O6_y1DXeDay2DD__Tea8I0k1Q8BKg9iVzQI-1739377468-1.2.1.1-JUpX5a44ntLK7NNFNppH1aAB4fQm7hOII7eCwdga4tdNV2lPFIL.dRvfhNCnToSar5LmvJIlNA_oe2GGI4DouS4Q54pTXmfOWXAoWPQUEuNld8zbzsqwYYvfp0l9num.uSKPT1yC4jeRvrUHm5aSJdtDwNA1Ax8TqVeS86SuOBCAzUIw59tHo7xoFF.UqHh0TLvG_AooWflPzbmQHl_GQq_4WPF.DXTlAzr8xzpfVJrdqZ9Qo3C8842IiC0gI50j0oEBOdGb6Wd2iu3A8z8jLJNjiBEx3358XQJpec72u2jYzcevEuqpcnOLhCP3xouHNmdc967TG5xziiKksv2z4smLZaCMTwTCBaKMI1L8aSuPO3T7RNkcaiRPmC8ZI2iE8htJmIpnOYggOTOuWK8CJyw97FZVH_9rqZxHa5yYQG3dTTQC_xR0G6N2.LaWac5AEEeg6zWEsIov3XYjPs3LZrxl4hFSt6oJm.ruzzQNjyGxdbEXA2HTEixrLbNKUaQ8f1Qcf57DNcFzMCxY3C58ndShUH.ftKa9biuTDFFWbEIgSdfbqc1EeCHFhyoqsscGBpZw1XBnGrvjPpqkZ17jrmGWSR5cqxcgKRyLzhilTiQimSv_WsaPPjfFrgWJopA8ba7a8bo2Utf2pcHFi_6z8X2qMimt2zkg4nOGdAv4v3TBIMMgOFC7Rk.ict3TFJDB4.NkOVqrQ4RUQ_prcCaAMjxC698.O18pvQaoMqUgRbxsHzG1e_W1yNtPlp1rRNOMybWyEPzLJFIFexTQFTb8cyapQ2Gg6eATGTYcEMt7n7l8BMHvxsb3cLHx6hzIvWMiqffRdBM4S5us.NUy0ka36XESeOh9aAI.M2wjfvELhFSlsbGGnecuK5IpYBEDHesyQUm4SNfwRnCJZY37PlVdysC3GFQWE7VaZ69xPIHpFRo0XKRTm8a8DH4AUiFsJGyQhi30FykF5GMcNZu7oFkfdBG13nptJqQnfEavDvt4OXOz7Ha2HV6LINDD46e6yyhuCshhaI9jaqlvL3GXDh9O86Dqjw85hzOGUqGhCelqNq2ANIUa5uPECej9Yi2OpmTYxCdRUYYSCAypyiQMfDyrJSOkW_SP5VHsoKJqofJAUWohmHY9lBHZlZ5rL6RICP2xb_zWoqqVDxKQHrH67u2X2HZ.VcyUNQO2qeLl2ET6TyIXtHQGtkEtxmBUvMm1vGCtePoHkALrCJ2mmQhEe1BbJATVuOU6MZ8rnOX7SahsvCzi6W1AW0iVyNA3qysLbc7kQaVxcPLHYRg1xBkmI3LjgrSTER09ntPizhiRWmCzDrTgOzMvHzFb5lsQOZbcHbV8ZRJCuUQy1DH60Dj3OGmRPJl_kI5vyabnjbMC4Pkl4E1buLi37TbFquZpLgLhOb0HiAaSEAqK_rzs0uJNjXjwi.gLQn7DTDGEOOKdFkXB95DK1.RJbm4LE9s3wQSfjtkugszeM55vJRbZkWuGtMW9qCC_ng1vjudgNX8oW_p09KAWhbMzHU4WmJgdhFrkn2RKJ39SDtP.JboijNGt7AZ83YZ3Ur99Bv1PB_5GY_0Sj4NvhQlkufLe1igkSxVSBejpIVCmOTyfr44O8q7hPaejHAkocGayTO4WCBDW4aD1DI3gMBP_IOYX7prWdhF_VsjsVeZ120.1.XLXCzgjf.6nTeFUSGolT6AxtaowRB4tabspE8Qqfe5pKgzD1ugG_xTH6DGbJQAgsLajnfRtFc8xfef_wii7qTl_BcqI4W1b85PP7yDZH24S4eWz.A0RakvpTfKtwaFJ9SWqLZ0yZtiU49lYm8oFGT5VnsLC_46tUMtbERRJE8V_ZEeY7n1JM4q5pWI5jarLlvE.D_ARU0PxV68b0Uuj0VK7aeYx7pNAAGE7Uf3EgUyBYKC4sqbyHhYOnbByQK_koWY6TyeHHugY7b5vNk3v45mMHXdWl2nGvwPp.Dz3C_o_nqtLEUdSWgMnzmCfY7yXYnaeejxMcRUi3S3eXSXILKdEkFOeqfMVx45Z2gXQmAtbE2Q31cO.L4.1h7ZoX3M.6jOntiItdS062MJdMjpwBJxUr9K_bNs40EKuGnmy3zdKzp3CbeD64LbNhd2BBkaQGFqZrp9a0vRt6yryL_ecR7JSBdjQJICAqRkwtWceBIBe3yZJeDm1wHkfryOShR7QLR.5A.XIMmGADZHxgv.U1gKstvpxJ1l0YHH3OeP1zPyXr2VVfjq.YC.y",mdrd: "l3p8661bU2ly314iPE0LXEL3XwaLfitSBwNlMXSRGf8-1739377468-1.2.1.1-3Iziihd.7V4avm1c118Wh0qoMYad88KK4Tn_RcZsvIIRpzxMGCgUb48ysLfYutl2QIrxzUN_H.dgNi3dikycH1XFm976vMaP5WJbAmmVNHL0UFrQropdZ.3PBp5gk6L4Qnfge8ep1W_rjPy9.Oi4ko3Nj3cXEQ.AM5zQxRmrdevUUFSrQrgdQsHfGUbzZlKekETKGhJroPPW7h1s15cWVMaUbuf80BSCZKfIkQ0RnsjKr0Al92Q4f7bFHEa7oIS7mYuJuFSwvsQV5ZYI7HEyTvZ7kVVnG3__.LohRdwHXPbi69KgRlkKEKGF4qP4M72WYPJfd4FajYcWeCFxxEjMk7._NQnDfPmNu4fWJPhI_uCFyhNqoPpcsaCqxrVv.MPEOwekY6LqxZVGJSJX38Z3hagrYtatBFk5huB453Qo1mLbEcBzm2mwbK4XiS61OVr_CyaCL4ghNbkUEJZcYGFt.eQH_N17i30YFimtXVDWCPGLumUsIZajcUBnnfe66Pn0jkzFS_kr54p13JWFSUUgjH0bkgXGjLw45udpCr8mMONw_5coaqCuFlk2hLJHaLY2gG1CxNWxeMQrPO9mpV0VXIdlCHDMaIrLjbds5gew0mtLi3bTxI7.fE4vvXcDn44OZA2cMAPv_CwZHi6Y_zi0DCpBdLh2aeI5.eMUDJtHnRfmV1mo43BVpNf35TqOvB_Hl1MG.FRlVeRw7nGMGMef52_ytIh5UaRhGhryUo40Ylu7vwX7XIghjPXzuLfGlyEgEXbsiediCIWK2CZqMV5CXb6RFhErmd5hNV78vz4u.KqexDHAQBrTzwNW3kJi2Jjv9MK49TbAbCshsF.7bqp.U3qpuLbLj3QGDCGzMEzQHjLfrRwzrJDC.d456_rTuko3_pEJBe0NkQo7DB1RYUClKyFMlwiDLR7I_tJPbO5YETE85W.rKGeYA0Ez9OymkVXoo2HIpPwA6YO6bW2p0hk1InBJ1tVXN2k.5.Zn3RnlaWc70S7fwVRbX9Rmr3a5Q5FvL1UUftUBqfAOpPyag3JhsPZhh3PjAfx4qv7vPAJ1XWcjA3Q18J8NUJvkd6cjfI8Dso8drDsjfcsTNkE_Hqr9Fwg.K5p1Ndivp8m7Ak0Vpq1XUSCkIVKtPxw31NFEC64nPECc6qcWYGc2boxEn_5WwrtJyjJafWqB9UWFXSWRFVNW6nuB.s0NePyOPOXel5e8JmIPdGatKp6ItwMkdpoXS6HI1zBfqWxVWHUFahP3Ll0GT.7fiV.Dmbj_cS9EPTweiHe.Bag3blYLzdtTpRshsjag.z_VBGPhhQ5lMvQvV8ylxK7svKoJ5tABnhQxM1fLfOVSZAHYs6fifBjQoYa0q3_GFwPpnbQFBdIEaxmLVF6ZlOFbcuwVYgw9hKDPQZCOvgAqhfGvH9wsBQrhqIsrPaKb6G7PcSjNclcqvnS_oGB0.Z.uwGpcGq1FEVCi2HXib1ui0s50WlXleRAAjjx6zfvWOzlRQUnIbhPbcPr8TCyp.7.qA2XkE4kMb_gwDyJm2fityz.ngpjXjM8nwtF.WXy4ZYvNqqFXpFk2rk_bYJu8DQM6SXBvEx5C9HDJi5.QHOAD4nUJ7tbjC4kP1vNbz4HJ55qeJ1uvKd1vykDif2TNnCMaXGWLP63E7jJ0fJLnp2GggLREOdx70csgOmNvknlNMQ3dzVvzEG.AaJ2Bg9kKZFKe9R7bKSfUbl_xac2aHGdCftF1t4bMF7RqGppkUZC20TcYm48qwI_CHoIVOLI3CWF2QvivV1cdlDGmqQz7dpJl5DR99P0im7.IpvP6jA"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=910dedd7ff95d650';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\/5283679014?__cf_chl_rt_tk=tCEzMHj0IV15lKlMWubZv8bM2HClO3puPD.wBEOuC7Y-1739377468-1.0.1.1-ZUW_AYUO8sAm2HzL03TdTDvVmTSg6n2wBW1KwzEaaRc" + 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