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-163183525087.mit-edu.top",cType: 'managed',cRay: '90f822bcfe342015',cH: 'oVXI4a6onhr4N_nOB.xBUP5tT4EBsAqLulzjX2axW20-1739148948-1.2.1.1-lGEwuZzSy42p7IMj8U079O3DmjBJLVOKs9XSrxBWRrYsx0Z1d5qjDNnmIJ0gHmQy',cUPMDTk: "\/post\/0412568793?__cf_chl_tk=NBZEqdKqQzjW60v5Hc9.LXMRvM9qeZNLIDcWTs5Mo.w-1739148948-1.0.1.1-BqmRlymBzKtrJyY6O9Nw3XCLUsUzTFxceaaVvCi.44A",cFPWv: 'g',cITimeS: '1739148948',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/0412568793?__cf_chl_f_tk=NBZEqdKqQzjW60v5Hc9.LXMRvM9qeZNLIDcWTs5Mo.w-1739148948-1.0.1.1-BqmRlymBzKtrJyY6O9Nw3XCLUsUzTFxceaaVvCi.44A",md: "jdhDw84wtdhdYsQPxS4yNi7Nm9mlU0UFtFSO9btFvjE-1739148948-1.2.1.1-KLXlfc7IR92Px073Lqgdlqyu6sMGayDZcjkRGA.TOwjogyPU82fE7gS3mylQ1f0I47yZ7zqzmTvuCvK3NJFMtHWfnPRlnhd6GOkGIkU4tw_Uz9kCR98d0Y49ldz0Oszhbnlf1Sypa1Dn_j8tJDgbW7RjcONyCRmfRki5jz52hZn2MBcNfG.IjLvdvcybwkgK5kg_XiVPU16xZW8wV8Fw3Z_m5Oom6dtKB9eMfDZxePbq4ckM332lPJnDkMIDcN_xEk4AN60EOV5h87aSVAYaIDwyfrjk5jDH1ikZ1qDl.w8YCbwh0gwqRNxPafjZYnd60.fzPTDKcjsalzgzcAxCOM4AcvmYVQWhcbqusfTeMBtYyI6uuLyDAOvVc2dtNmoxZKeZpDWP4cFrW6sueEYZKBZRTrXKVwpUXJ.Ohb2TeCdsyGyG64MNpFl1DJ8uqyUDchNY0YcH2wdVaD1U.bPkAIKHg2H0K.JugljlAw4mVMdM2sZO_ZvFL8FYoo23ArIGEaDmsnw5dCbCBVPCvlGpSvePBawANkDWkd_zWSM33D_WhIiWLwM0RBfrNA_2_ApFjibsLO5QrMaTcicCl.x.IkRIP38YCDlP2IGbjvw7I1XjG8.ZKgRZU7TbLQo.Yt_PVOD8f0D5UVN2ydrdd11iCQKV0kFuLspRFKvxLVNNd1SlIGHzTVHRq5EeHKmv6__DgT.094dfXWU2jimvJ.G8sg9U5UswJ_amx1vc21Ocm3O5XH2bC4N2nUyCyxAksaInWWFvJgLgS27pjys2pQVvL25eezmSJwC5uYbqdR._N1Ftka8mJkOl0uI287WHZ1xS9tDOqrIP9l33uUoQrLNEasQSul1bxt7xMVE9aaiS04IH1Rl47B18aKmWVEbfQl4t09f08YYyKmr9HsyBaJ_R0C.ky8KCSE6PbuBFjw7XTCn9HHBWLel_Uo2ZGcmwrvzqpKR6N1ot4C70cuhWEHaxKmof9qoU4c1jm.7NxW4znUaDBL7w9QIwog6V5GnnftbDJtRoWFwkfBi9sWFg1s_ABt5g4Ko2SlRQogtjWG_IERX6dWsK5WfOfMbopyWTxUOL55ocEbxga1qK3tggtuRJl7jrcUs20PnC4nU22lSBWb22.vWWbmaxXoQRWLEIBwcMJ4y_nMBHIoFcIXYiAsHAfF.yr53sKdpTzXLngkWgK3duZ6LTLOe7wzQ8Kj39VONEh26AqXF7VqpqCl5e9va2iy3NngexzUaUFkWRpQw0wb0Y3t5UuzCC4rwVT27zujf0KYFXWIkolLPf.s.X5g7M6M0OQI5dphbDBlhJfla.yQeB2ITowR8brg_lWRIKksNOTKQo6r7mwDysQ3mbqNBSzKGBRUSOPQblTGC7pjrHnaTpiGiq7j_Wy.kScWn9aMh774_ugq2p56yJAOV4v3fvKFv8DYIkzGFk4_2fWWSkgY036GCycvxMA_VdfpZSKFIRbdGI09igIVQPlq8JSvjEuElX8tuEhikbJdmSZ0L7MG6JqPqFM984Th9HJyMrLoATBDFh.PUFIpY0VY9y5unandNLplWDcbnpWfR9lA0SbUuYvOyz4IcYIU1XgqUf.bnjik._rAYTCvTsnb0kH2CdaUNF32TLlIki5aZonOK2AeRHvNMAwbU9qVDUZPYUPxmikjg8I1agJrg.ZqmEjsVs299LEYptyFQfN75RI.FCZh4uF76pXD967.DlfiJaB2ha3t5FdCHdsJ1V2HE4bmiGVQ9d_o.xe.6gSEOEYIlMOQ5yyrUpfFtYOdwvuUC_CAqPW6pbY_dufB9By21ab2GB42qJhb3LgbtHuUslP3QLqFEzFG1eyVUIteCwcGvht1oPBXnn6gjq.ETMonL.zbfJY2540b6QL4Hcu.rWKzAgvh9DD7aQLZe4cXzzIISI36ZjbtHNuBiLsKkv1P_Oeb_3pseTeqgFcx387xGxAkoqjEU72hbsC1o3vbrL1bfII6uLxZgu5INaS2Ukg07jcDc3hj3aan.z2wNNvcmjcydkNBd7fh8EMW3CdcsRXx9DfdhDa3CHlDqPJ6kpZ9vDJaAxxc7WKdma9GihnGhlFXJjOy2wKu91FBI5AtfNrCoZPn9v5BE95wRhOPxJOL1X0kpwxjE9rrwoamkCHfxqmQpv0nWGK4WJixtrE0LAJSKHYRKi.zvn5KcZDETsmkXRQDyIG9f32SdqS9x3uxnHYAggG41Oyn_p_n7A23NWCbrcDOeJ",mdrd: "hT2fsvRoIgJL86okkJm5.DG8eeXrbF._yKpnNy_jq68-1739148948-1.2.1.1-aEvb2CP.xX6y2T_fOR_4_s49DvSh.HVh55LYNcoGvoE08UmBeMbcjRm019mwoxZzZaM7K5t9hSnePhlFJ_GCJFgzqR1.QXtQX8FZvLhLBy9XQXheYNIQgawDSS3sBoqvW8.xvBKm916na0TqvvtQCM16.k7WmXEf8t4oSQIOGLyWPOxor_hYFBLDoyvtqTolagApSvcTrEweyXdmohZIXtChXw8d7UlqHSas4YskmhQxthJm.xWyNMigYz.WeO1Q0Lsx7c9tE4h2GgUvWw380RJDIexxKg.xroo9KcApEsH9wJARZTTJQuiZSCdk56SbeeKtlZCv4C8wPW_BQldgOTmijRCD4RaJM2UyYXA9UA5fiwNQtzsOM5ZwHdcl8h.ybRQfDtm5sS25Le5SvPoBCvG.qEdNhlDorJOlmlUb2MrGkttXcF6DEcRONWhYPOXV8GQUbsyo6Qgoz.QeU3U8SaSIGrCAk4yQ3dkltBlmlfK6GTKdP6yGskAFBFPawmJ2eeAaewyQDmD4DTeF1UCx3K8PXRKMRqa4Y.4sYEYjsuG4Rk71Xr9vSiAfDkbCx7zgkJRnCDWZhcwnrmRfLP9s0ml.6hO.PHF5t.7TRZjyOw57ULy0gCudJzhuiQetZJNlF5Xo.17XqVhEsTeqwpik.75868MPMEp6tps43oAjn7gLuXyxDkI4kL98UQQAXnVWoDu3gc7Lrf041BLSnLZ5V1ExhFhKzuYD5SUr_hDqFfuawSlyCK7q7THAJ5jq5ljE4__BgY3.RH_u_nnu4b1SnA1KnL7FrrXV0lniAw.7YhyLWKkCoO4dKKjDgmFYvrxfoPkJP9ybuUwEC.zUpprJAgAXliEGz6zj8bCJf3UDdS9aL2pc.ejJ1Bwy7VejZA0G2qvYXVtvTtKnxhDMbButNvGfaDob4Pqds7QpUDa9gtFIcbxE1x.dTNpWTs615K.foD1mOnJfjCDHaJ4gbrsNGqf6BlLsGDvhmWAjKbLsdk8.HDme7Ww2ESbOTYIfLr24Eg57.dY2XRiIYJAZlJbKoRtW5SPhxcWz9eJfaJyQboy43VN9kQIllsor76vMFH0Cjf480FwT5OocVEoA4VbGjdiGeeq78kbtp3MVeIgSV35NiUIh2kB0oVEU5LVukfoMz5JdSSKMrcnCuc78Qb64VjlUplCIQF_Gt0C5qu9pLVkTUXLZtDCmxsqBqdUiiIuxso04GVeMaemu6X3m4dbUsqIUelbbc8eWBbNZTZJzaAM8AUaBQRY1gzGN9l94n_XP7RhXv1gO94NBQ9zazU34y69J7BLn2Aen3T9olwPJt.pLvEe_YpJCxYioL9gg48Wo9UCCff1.qaMwzFXKsmOIDWgzVnkyOHGzR2lPuZaw5OYVgXVSPetyDBuXOR7nPtymEe4.uReihimE0q2y4K7w2FDVijIerGef2y1ToFBltgsyGX1_1kNDZsz7QARu07tYsukg8pSHNT2r8lbePuxPMLx1JL.l9nb3t9aISpiSx_XfjZEnXckTNgcA8.P.QAmxtProGJMwtM.M7K8Iy88DQIhW4svIZr_cwtsCozkcrXADS8CpvNITQbewWmKL_Qjrk318UA8Ymt.wMRbIMpUtlDsOa610pLC7lIAqym8pw7MPFRPPfuMqxJ5sbBH3EKbUs9HW498sKNPEChMY8UKDeDlE4Cy63BPsfNxDa15RUTLHirCg.2OFBHNHrAkdK0C0AIvVtxXtdTbB08fs09k20bJ_qIRqAgIlvMwc5J8BDR7E3gNIYG4mRhelNi5kbK5wl_S9cYN9iCweFWhXa5nu_89sojUBttRRC.Z0Znpo7To"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f822bcfe342015';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\/0412568793?__cf_chl_rt_tk=NBZEqdKqQzjW60v5Hc9.LXMRvM9qeZNLIDcWTs5Mo.w-1739148948-1.0.1.1-BqmRlymBzKtrJyY6O9Nw3XCLUsUzTFxceaaVvCi.44A" + 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
