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-374659955512.mit-edu.top",cType: 'managed',cRay: '90f7e1143fa3c999',cH: 'LExerKWQ6W9FA5bKTMTK1NqGV3fNL3EBCh86Uu29ydI-1739146258-1.2.1.1-d_GdpRSuXgLpUTaBnWG9oirjQMUQfGEbeZGLBhDDOVYSdG3vUaMLrT8zvoA53hJA',cUPMDTk: "\/post\/8921406375?__cf_chl_tk=EaGefrSqdAZAyy44YvGy_x0v.s9hSOXPBYgqjQS65qw-1739146258-1.0.1.1-f26dXxNFD71pQGfD937R9MeVyW4LfQswZDFUf.dWXEU",cFPWv: 'g',cITimeS: '1739146258',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/8921406375?__cf_chl_f_tk=EaGefrSqdAZAyy44YvGy_x0v.s9hSOXPBYgqjQS65qw-1739146258-1.0.1.1-f26dXxNFD71pQGfD937R9MeVyW4LfQswZDFUf.dWXEU",md: "d9E9bZfenp4nbFJGp6I8OIDRJd.CI0A2lf2_tElaw2k-1739146258-1.2.1.1-ly9bo.mD0jg1Zvwea2hGmqgEJ_3N0C0mSO_3F0J5YPuO4302oRlzmY3bKZk5Gy9xTbn8rVfO2Kgnj6pM2aC6GkiuYMCgciLI3Ix_V5pfK85tzxSAj77G0B9TjkTzXC5rEL_GeZRAm1NYhMEFAU9afiNOl6xjKZL4uPiGxmcG3nK10nhH0NXo78E0qhYA17oDDR8XPc8pkdhjHFx2bF_W8CHfFUIOcC6ailY5YgB.eUmEfLxb5UyNd3UTVpVSc8TRuLhCR0IhQ13dlDMVsEzNveGilPniQk4F_lAaRlFkTNwV3PGtGYyZy7C8OIUJQhPGh9RgEoob08LwWrMUxIppucftFf2eg_oJxGcDdSGJ8wes7os6e.cbNYpzOLS9IrSO628LN33Mry4CE74gPfRIsKgBAAT4MLUm5fgNMw5LG.RgHkcH6Ir00GXun4ZNynJLHOVFBhRjDuww_OGoX8BbNYpgihwA5FHQJU3x3xSJwmfBYd_SIMWoIl3IsQdn6sliAbA0rtO9knkGB2WU16FjrpoVBiKKZIiqkZC.mZt2G_blbaFDOo96mzAhM6lKAwKr9aKxriJz9Hat99uGiV2MYjy8Jtcnvru7.qFqxz5SvKf.xM.x8b3djbfSG.WH64jTy5nBdZJFCkjNKIWIgRpDNFHD5Qx4oxVE4p7g5ZgeYvM1UzuZFNKCICIAfkY4kFIk87X2VwIIUxOMxi0n2v.9fINDAYUHR9pJsgLvS1MKLWStPr3lqVT8ilGlZX17iYWUdS85ozS568jWrs9IEKCD3Jx2HSNBcmw7ELFZEqiFwLWiGCl.qUnDuBoF442Ywo3k1kCzLW4qdm864kcYzQeYPJcaBiIxlzJmkRIsZpNBCxehjffqZRIbOkc0nYbZiAiWkccsaqPi4jTPYeQKsLerE5AzMJDoDy1oWsORkasNdxh0qOQUavW3iq4iGRXwKEWcqoenDAn0Zop3j7hnUxUGMU751tSgiY9HTztF9XYJMO2d1wfRjGioF0DS5zx3KfZs7elTaGIkRDgHMHk4sOsO.ACZ2Hz84nHNONspesllA9pvgU2lveOAMF9a_bRrTLtXHubh8VLj3h_Sk7xhEgl1xY5H8FS9oanMwmLgDzKjoU47xALzVMjUEFUJPodLc96lZ0xNS2MQlfhkW4esoV_t3qF6ILrYhvXClTsWxfLt5SuiNKyL8121NaJdnKXDyNirzkCjRSCEBQ9gN2mqZwDcLZNxnXLROm14gzf1piSvvNH66iV4DAhDBWFNp4dhvCC_Y_d3YXWFZCVR_R9W6MP327PMQPIAy9NGpCWCb_WFpYz2f3if977TP2Ccv6bQqrlU8QOatKMp02txgDFs_jS9wfnP0S7zLrgfkEWnq2pZI8djgkUYS2H79jwLI6Kkwiy2IYHGODFi2SQwY24gfiJ5Vy.lzg7EIXh.yAT1ViuzgzuSg3UnhoHFnJfnWnSoeKAP6cgDKeERUT1PKYNySXwyeFLbVMEfOvhObXNtYGMJVj4ee.e0zviuwxTpFeKJ5U7gUv.IeEToslLSn_b5HQKJLF0Cfa1V1LL5PQkH4pK68whqT0VD4Wmer32Xj.DB.9JjiivdGtx8l4fcR.Th1fOR4uFg12JGBJkzCgWWGtCt8vQwDzuo3ht9Rc863phmK7vRKFdWGjLpJbU.ijmwcMLIeTSAF2SsK_TOXeE5C664c2nYNl3NCI0UJ.Y4URYjtW8PRoGGgIAzWlcnA5p0pVLWlxUc32QmiQEvl14pWLXem5nfqO4uvZ07butDTSCcBI0SgPRpy8V6w3iM17rgr6xC.QPhU4w2AmSoYsjRChfpBAw2fWh04FFc5stw7YMeGsnnOEdjYenCPyF5_32mMYTSqbqtWkW.BsKn2xS.O_ngo.xpKESQ5dIuit7SGZKflog980nQ48fOgrniWMZhsQ.I4Bno3AB1.QkmSaulONgneeZLG3RuahQVibEZeqp7kD.i9SBowxlJRLLENANiwM0rxslgGykFt7jvQMa9lF6paGsURADYfBcmJMrKdVtE3EpmMlceK75ntPzIlMsE_f6FlTMI42hzTDdoRc.aTk6qdBYzmm32MU6ERcbGWRqvqfX1CXST1ov_kAK32OS63amVF13FnPr3ePrf4EEMBqjbaQZasp2esphQSX50eiwlBW5TuSrDrg.O4OkY1NXFV3n3.ba_.XK6UtTuth2wOMzdK7Vl58fdhTt5NkzeTKGGwO0o",mdrd: "DOm1LAAFJ42VWErqhczxFS8_eq3.DsYiO6cCqEWq8lE-1739146258-1.2.1.1-gCi0pXcJofEawPhdh_kPgSne_1l54tr7j4xuZOediT7nuqUbYVQbG4LYMtdu.sxvJqYyEySjueRuDwUUfp0LUhkfsnAkhwlPOoXNI1.JbkRcyCUdisrY4PmrcsEdQOJy.upLfG4WIEWFFcqUMRw4nGIgEVn_a.zvhC0kez6Z_JjDKtz1kbRrPLDgVumsdodRKiyjFlLO0hWsxS05.a6A0o9TGzBF0aObHBZqdU39unsUpRzA7HfxWTlE2yHP5lK2k850Oz2nd2PU6j7m_E5Ncg.rTKJrjbZJ6D5GD0CgR3EqQfdVvcd16GA1yK9eBhAZnFHNtHJsijdar1aH2NyTchsjp8R.PfRM9VAsX8fDdCd_vpOsraHtGgtVZpVIPwK4KU1ZMbrva0Hf1Trdkfiwo.V7NXX4AJlZTCWLWMRpPOThavrLhzchNutku20y8QuCTMFrFiLvG38OseNTb8vEnt3hGf87BI5n9zZtFodOk5XBOSB_80me9hZyVkAHGB1NNyTyGAP7reglBi3p9EWsT4SvMqun8Hog0dKo3aQhVSczblffZKc0PKFZ15..myIY8CiSLjhBbiwyEhAiAxSQOmYFuKN87r9ijhvzwtZRtjFqwTNtYAT05uQudDfd41vPyMxiSOWiyg42o.jrjFRQLwf84FIJorlRyTX60xvuFeow9S8khJq7RbcpUdrmBoHNCtJNcNWKEmOJnGZiCM_AITvSyWFuTSMZe1Jr9oJtmmYULM_ScwlwjZ2bO536yJQfWqMo_MbTysqcWQ78Yb9DhdTDAMnCciHcrUjtgSaQSmUC0mx8YQnGjOM8VLjcV_Mf1wtI1OMuzqwjrh_dmWvzqWiOFd_d82S3Rk0qKVApfJWSelWng5kYowJrbBJl1m2HouYAulqFI325GrwcmtH6XXIJkTK78ChJ7sJhR6AS28fxgJQnW_ehjTdkSP.0wQRqxucVxtooznSmCFWuP6XA4mrkkC5by0R_ir.7StAU7I4aI.F3Fkh3vITMCRYGvGefrsGW6wFdyNFLMYT1UcClLpDJ28ug.Ynd49.A5oP.vC.0Jl114X2.R.lRyiqYQBP5e2238z1S0MfA72cl4XXWolzIP8MqoW2mKLZ_JkF_6pDB60WtXdhIx05HtLGBD13lYuCfv35JggjdSZeNS.IHjqC6MaW3LsYsoW3xWk9Fq3UVFwXfgRbRDHp3asGxsA0Z.NyO0M.3CUe4BfyVTxGWmSSUVvnG96S22uGfBLwC.dt04TIQiDvKBgs0f8Z0NGEmWgT.EIH8HcXnCdgf5aChBdKvhqUA.hNOBfTYxbWydAq_GQr.tqmcytlFSIdmGCSfus1kq6HdakW._.WXNQl_UGEwCk_A3vPxG6n2g6F60wS2q0j6wYjJTB0huH27XMhuyG4sKgGWPLHBB2YkGy65mZLzMB1hS3S1AJwXkBcgFdTLehMtnt7gXzNAqPFPY3vw9OVNHlf.WyAcUwTMxHPIMIoiMBLt.CC1R0UDAc13kqZgNngp_cjOE9ujnbYnmMkF0P5c8.ZqksNGXNv0tdtaAMR9Ffq2S7qH291T7YbDB2Fp3IRn8gPaOfj0aDeuu0vznnr6gH8lCQle8xrnPsaLfYxLJYOKogzFOxlRe8aD_ADzESiJF64k393oQ0McWC2v6U44UvqGXiRB0uJKi1lFXGuqgqpE7SigciFI4oN1vZSx4vGbmq2BlOd65_12T4t.JUYnZeQu0q9uuzLb36I.kHHrIKZD2pRt3IKDiVjpNJLXoRlwug6v.OyMvXkFZ52X1wcXSgd14Ds6lNOvOKQEBdlK2MftcE3YARYpV6Z5Vvx7vKsK4hV6yTLoWrLoJ32W"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f7e1143fa3c999';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\/8921406375?__cf_chl_rt_tk=EaGefrSqdAZAyy44YvGy_x0v.s9hSOXPBYgqjQS65qw-1739146258-1.0.1.1-f26dXxNFD71pQGfD937R9MeVyW4LfQswZDFUf.dWXEU" + 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