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-205212600036.mit-edu.top",cType: 'managed',cRay: '9112a914be2b2033',cH: 'uEkAOvQ7RgHMGqi.40T5sg7VqoORlejKQtKaC3yOs.Q-1739427080-1.2.1.1-G5i47x8TRHe9VPh7VqtpWzMLxtWTcS5Lxo_reGU8tKMIMpfQ.M5S9DWUSrO7vesz',cUPMDTk: "\/post\/5402618739?__cf_chl_tk=nhIEcEdnO6_MOKeHo4DOwQ8RlV.J5YJd45v67n7EAqQ-1739427080-1.0.1.1-BJkM9aCtTm5fWUa2RGie6JrQojCuxMNmW.zXcUyM_v8",cFPWv: 'b',cITimeS: '1739427080',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/5402618739?__cf_chl_f_tk=nhIEcEdnO6_MOKeHo4DOwQ8RlV.J5YJd45v67n7EAqQ-1739427080-1.0.1.1-BJkM9aCtTm5fWUa2RGie6JrQojCuxMNmW.zXcUyM_v8",md: "jM5GgtLYQ9MGihGmDKCVddTEJI.MK9XKS_Ep6y6Iwfg-1739427080-1.2.1.1-f0009uI7Y6Ubf1arjLcd56pSr7DNosIx4uWvJj5.aJuTIjxz3FikB8loKwy2HUYKmcrejGPdE8wCTzthIqmouyvVdAVxaX6Er09eR9_RM_OA2IV5gbmrysRaA0ChUKCSnurujrnLyRQW784nA6p2YnSTqmLM8CdJ1QC67GinT5c2NMglXhE1aHfY3bqJZSrVYbqMrqdbCpSQfuyI9Rgz2ZcLgQ658V9gHly1g7LcZqtPLn6HYRcIluxfv1WgGqWadMQg2hnz7_V3V.ovMSU0xMkSuSH15VzlwgAik2X0l0VOjV1P_z5ZTMV98pgH1fBCkXivhovlS0GNzQ7HZAVJYlqPr_pAlETCxQls_4tCbpX3V68PZ0RZ2TGtuBvWCk1kI1qZBI7wkelj8JskiSvkNZg5dh76Lw_RU1znq7VCAvaRS2ibEeuGedjOYgYquGH0yhpxkTXKp6XaJM8_VxmsZVf5a2kVpR9iCrsCTYEV_FtvJcAwoac0vTqHFCosnTm9UD36NK2edQl9dXrmYVkY8Mgk0uoLvZjWU6ALsfmUAQY0cwaID7dNjBwRn2RYGP.jBWWgM2Uzno5Ga4C8E66FjzHe4rrtUEUBRswcUeje54Z90KBX39F8PETJP7s5OYFckAfnvKEE5g.3sIdNxv5ULvKhyCVuFLsow2Ygal_wkg7rDQtnmyw3e0dYA939dnrX.M6l6Xan7crtnyNEzeQkrGMBB3WvC8W9Y1FXnUO3miXucX5HdEqHBv1XJIPGCGbOUEiRSVvYQ7q721XJbyqbshbDRExUIJBq0poLKmcD5BvldlqEr7RDaD6qR.6oVP29.2SMfbsnH2CQ5CTXud8ZcQTYTf7y7qErYNRWxi7CC26Ef.KKC364_cWAw8jt4so0NXOSJhDX1h0PuTzX.F3WSIJqalsX6jMjl5MI16EEcaVplVh73VpSApty4ES9pmdHJh7tbjfnxRtTN8todxWOtK5kQt4kbRlKCSj9zh5aUMpRkTINIzjqAvbol3scXyxt1RFnaAYHWhDBGnqDDDMHYCUtWJ_lNadH1jD30NhrPC6Q3YEJSUjwAtlwdzNY2o.fdXTt4V_FfVf.OFkTaK4aYIOH6Wa1wpNLI46zDrkXRNSl9erfkhJD.ENX6c7cqJNyavXHBdr0TFpDllIgMx43XOmfhCBh55eTmrH62v0Kb7vkPMCj.hfdtxX.JjhIZygVz9hTT0wmhxFebTnRqkIPdv7vCb1gmUyMVpD8tJKafFICkdcZsiE68T23slXqlBK54ivjkUsUz8bHGa5efg65Ak0LxPeBlAkcwb70MCuMbUf0Cm6_wunJg1wZXNxfcuT5nkb1cTSo9VWajJlMHuLU9WDg2zC4rcGSaZMN59Lrx7r35dcF0AyPz_n_wydHlX0BaoEWqKB6LM116RXR_mL0i58ZpWSleN.46YWJr.wyEaEBvB0l.Te.QqPZEAJVakNHYuhobcYiMczERG1xxMNPcwhhlQiUZJXxSRevU9Ci4GOUZdHl2mLTTYGYY5h7NBtauQFhOwG_BYoFGdEk_gwnBEFWi7qEIyT3SZ9AjNuKm3wu8eSmJF8A1SYhEobqhtQiBs0n48ntSVKrgKJHeK4gHJMJDqnH65r28ZiScX.5GR9Zt74O2c5_DlNfshRn7kgx2JDUMi7m12eyeR.cf13UMkuHhzEqAHWsQrdGLFf__lLJrOBT0gPAlkrL8Z6krZAjpZ6K3QlDr64fPVwMnrCaoB_fNIJ0VsQiRG.mSGKo1GYlp6e9L9ZbTiDLNEakN_LS9Ut27Fbt5NoGX8k5HOkeq4vlg7sx_U9pcRkMvzH45cammtUeOy9kB_5z8LT2tmDkxYjtra1KpM6coTXu6mt6z2xp_kGM.8DcNjZDeXecGuQbklEw1d8E1NfIkg4qgeP2rXAYLTwbDE5AVqHLpedXuJoorXkmDvGr8lyxyN6CHe.JBfQVME.j9ooUpE6JufVyxdxkDuTIA53uQwDeyHfR5MBTWDMSAy1BmlyP8OK9CJB77wOAsxYwFC7Ojy0q6QB79IlDybKVAvr.IdmK41LZh43ZUVDtUgQyDW9KJI4x0UPH196BXz0uVvbsqJOrAvNoa6P65_yo97DrQVwg.Seb4ImjeFaRBU4FEtdv5vDl8SiQTQ0WXnnSrJL5WuX5tpx.vNe8bbzBXSTD6.A8.nhbPBme_XV_Ly_nmqen7ydm60FOqtx53WW09PvKsQXwd6jK",mdrd: "mzvU3Enj6fbfHK.5Z8sIFEn016TzOroQmBEfInlJQlQ-1739427080-1.2.1.1-dYA36fcLtfn9lwzwK9CnbDv34chEKL1xA.2jQ7nGWYis7t4z0dhwCyMNwDEaT2NimANov3Veix2mIrNeVUiImPz8tfp7dQ9rTM_9tMqxqlHkmYhYDh3HJEn9zSj.1SLa.5ommEOx7ruDHt5ytmCrQogLC5XQweUkvWeRJ179otLW8KpBn6T.GuJW5PQGJQO_upKWUN.iXij_zrkaFZpQkc5KAaYe25.fHxOoDSkN0FTG7qI9MCJpJXjNeo3IQPl4Vms3zz6OdLv96MgUfV3nK7h.knZEw5Pc42.KnnhrZnQcB24zvUe9VRmWnV5XNVVGC8EU_2a1D6L5Kgop.7bUdJO501otGgvdUtqBHFIsfrsE.12dncRW1aj_QUEnfs3kwl6Wj0WcKjbeW.Shn2zRwnGfk9_1cVMB0uKZ8pi0pjDaLTOZ7mR3ZOCTR0BY2yMVX9Ik22__0bxPc44E9CjGYRjxVkAli8uB0sCzi17RiWp3LbsAgVmvJM8XbGRt9DaktvijLrzG1IDbinzV1vFZJvaZ5T3Vht6.hsetkr2bP.On9xxmH8KN1rM3xX4M_0x4H.TaNfmKFJ8L3XgkTTyA6riBzcmsrjv2c3DwHNvp5O2wigUsCLxmvsSyUfxK6vJbXsM6s.jfpeQ1gqKRHBLn_Z1Pas_0XqIRHOLL.ySC37xv_i95lcjH3wkKG3RiTc1z8zRci7Mq_P5hqia_HwFpu0tU0GVg.NoOakO8eZkgFUmbyC4xpd_hpqi0vyKo4D_NChVQLHv167v2f0hKbi8tG2LoGEWQvxUCvMV8Fr_2KDgzZzOuMRhCEL9M.J8ln5ZFcP69i6.M3Li6zH98WCxsP7dmfqUQI2pqxbgWYvPuJCI42zzWo5mMnQqJA7gZ1qxkZtGeDOujzDJIOjYWCAf.Pz4nnH_LXRUVQIEa0fDfWZKywf8F4wfMUK3cdYYhQEdq0hi9BGYDUaFy5cEcVwRTVwHikcCygRiuprQbiu1FDUuHGmFT_byBnHiDJkeMCLdhEU6n1kxkxd1J8L8V_lPeYMYPUgMwBwVTdR8aBEq23.T1BCmaiwKn.HiVK9N1_MPUlC3XefU9gB4tDIIbQ.YMSYA8Q.xHKhj_a.3lQldQs8ganFAuVRc98XkOJgngd0EqnO6CBkDxfkfTQA1OkptLayxts.UvHAIHX94pr2GJdPeh2lHQiejBo2py3.BynG_TWds7qntv7o.gbxlo4lM7h9FrU3qbxLOKvo9opJ0HBPK6sNkMYPy5oZCjbRHFixiAFfGiLryVrbwKjJ3w19N46EQYq.IKoU_nxRRRuNtyTt1A705eEZPdsxazDzXavCCZLMqVQ2FFtOuO8vA1VlY8ficWEtKs9zmh7viu_rRr3OEBBD_xH2tNn0XMmWtsztu_YODcPLlV4jD.fyZRx3st9gXp.K1sFPuABRPEHuDSWcCdivq0vPa9t1JwBuudernR.TbKqFYpzpUPEXnpm5Q47.G1K.4yvSJHvHUzSYhVCnDiSO3a62DoEA4csUSftLklPe8MrYbumUjEQtCwIM8b7zpqLmQZ1LowRv6aYdYzsVeHhfE81qVBJRO2EoMPSE8aUkHFa4bwiITmeToW9DjVa29a6wl1OLhPznDlvUxYo5HeIVPmsU4k_muTJ.HJ6lgN1pJK1P0cm4sg.xj7NvL8lFSypTsjmmM3C04OrbCuO2Q3Nv.e5hP4m7.k7N4cajp5kf_EIYOdv4lOPnMTwjUOCogt3v8ajyKSkyoSlXlPum2PB04k5IHZr.fjr0RgM1KLN3pZK_8Nf6jG8zsOIkkiory8YrRkmgWeZ1zQnfq2HCQ"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=9112a914be2b2033';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\/5402618739?__cf_chl_rt_tk=nhIEcEdnO6_MOKeHo4DOwQ8RlV.J5YJd45v67n7EAqQ-1739427080-1.0.1.1-BJkM9aCtTm5fWUa2RGie6JrQojCuxMNmW.zXcUyM_v8" + 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