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-245029167500.mit-edu.top",cType: 'managed',cRay: '910f106d2be858c6',cH: 'C3ylEZiOwej4g2q.gz4QDiC32XU1hrmlAXKUzHKmhlw-1739389370-1.2.1.1-ivcXJC6QZcPugtHQONKogEhBYTO5dUdV_vyipqz2MJi6lNuMd51n12xo42asjaPu',cUPMDTk: "\/post\/5320147698?__cf_chl_tk=60jUYqj6.EzGLTUxUBq3WBSlIA_AVFJ_POLtW3b.RSg-1739389370-1.0.1.1-CyjAlLCB9KxcNrHLReOlr_AXs7iEJF0zpkKktj2BolM",cFPWv: 'b',cITimeS: '1739389370',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/5320147698?__cf_chl_f_tk=60jUYqj6.EzGLTUxUBq3WBSlIA_AVFJ_POLtW3b.RSg-1739389370-1.0.1.1-CyjAlLCB9KxcNrHLReOlr_AXs7iEJF0zpkKktj2BolM",md: "iIIHf9XMayN8rPXHKc6MTJnEtz58OpfVH0XqJFerXcs-1739389370-1.2.1.1-dCr_wKCkU36xCOIpcyQCss3YO2ZSgg4bUmcdvmzpcm6osejtVMuyEFHb8t9lJzPACkleK2VnZiWXS69jLjDa_fOGSPJGiI4tRv7jOYjPpbo0W7o8vGF0EFxoolAIf0Pwwg8gqK2JA8xe6TQFhTxy8YVrAW_5wuP1YODBiq7NrsyXN9YxyoMAafmynEcGyKcQynPqHvnZJdAeYjrEXk_sUeIlk_8QvubuUwFI5WUgs4MxeirxVYTdpwUxQ5nJBLFf5MNtSr93uf00hWWBypIe._X9JR2ftPPgFYV1kt7FSPxC4fJyVyIE8wnn_kaDmoQK_.uL0we5h.sqhbdmeQTRVNLKQuDAGOhsyphcByyAWGxxDuBhDZ9iHYgiKKmYba_oFg4.PlYGoeVVAfxPrb0uqM3YRKRtmajo46MsmToNy8OeNC5o6Q0jiPWZ.fuOiHFTloBwU.CGjMjAD1mUhvsa_H_qMwxzWcbh83vOAF8SGQgpAFvTbX9UAvupFePjZuI5y1KUr_Rg_ppHT5O5_6RR2dUGp60LaG2OBoMZs6MTSflNmT3Qoi1WDWXeY0d_61iOXTFzqDUpshrdwG68JO44XoqKj8.Pp.JGLQyekCHPxNwiWWSn2CDvTjsLm93w75sRJf5k.z4CcfWw_6JCs96xITXmNhzcKMuGxr4oLy3W5PbaLPlOC8yOMp9yMdrzkUWRjKYE7qslSd8Gmfqd9z7r6HX5Fx5KSd6LL_nSdQC9wLHGBK9gZgKVYrG1.3fwwGgqfC_BFg_pILCpgUlw9jCWRK5HGw2hHriAK8GBV_vFmiqmCjCPROttt2KKF3JFXIcnywf8y8VIQ2CYbPtjoXPDmxtxmGYZ82Drr9wLSEYdJpYMCQTykifqGZlQ2tEDrvGq1R6NZdVPwi9zc3J0gU1irBOy_zK6c0bqAe1nWH_1.W5qHBy7etbDXNZRAI9wU5GYe.xOxEgAb5GkUeWfjb6dIUzRAWaG6nfqvxpo2YeGXV4aia1qccyc7fnSRy8FyM0qPL9GtU1Lxmg3Bx3hjUt0hiBaC2NowuOaRBVTlANxpGji846P_yqJd6WnvamXkpLyqzSXVTalxRx91WmEN4Tq.AEwJD7DPYRpbpzew3ZfrVBgi1ov150ivoJ_.yf5biV8shlkP92tLPcq0NdqiRXNEARwQ3rCnoT_AQwb.y60SZ87iTy88xh00l5KpeWeIgPzJEgp5uAx8jS9S3KwDDaGTg8P09W4oo9mKdbUOHliYszlGe_kSP5pVpG_MvpVCIyTDz6ve8PJqK8A4Yb1j8eSpQ_8MOSyzKT_4XxoDxGDJaJQBJFIOE1cntdMilH5rZyInWRltDzjlMZrK6Gg6OKmTgQHPASzZAgUVakABk2u0X0cowbgZTLer6A2b09U.lUtrzX3kohBwR8xgnTGGoBGT2mSsqtwO7aBvKrykNQY5Fs7Wyv16tR8CWuC6a9TSKks6XyIQ7Xu8mlb0AhasI8lcmKNxUhBSgNOEuprlY2YLl1mHpAv.6uG1YPyjR6y6kW2wTcOhSzDGKBdCnWUZ3pXdvPwtIW7LmvPjgu.5AfB2XV2ouxjC4uYxdC8mkWMkegTxItU4tqYw_2x.stHDKwotsQHwzww1hZCkXlzMsQpLA976vT.jPhwDx.baLQ3uFvr7gM3m_8zj6W8rocdtEz9iv.R5pt9c5Nbi.Pr5rYBWXVqLSKkI0ZfU1yAjv3RkxT0ZlzFDVPS14K97B0u919n3950MC.fdSGQ49y5WOo31owNQ7ApJkrUcAPSFCKrhlONW0RWJuVxnlY4N.CpJvTnAd7p4YYm0UIADseLs6r4Kw5sI.H80Az5pRpr_qI.a2aXpJW66sqGXtaAyyt_aSTkkrZeeKo4XFZ064VpJ2Y7glq2vZrfw7qAkt5Zi8XC035R04MO1gOY9P4fyWUkMb.hoGLSMHis0j8i4B79wLKCv2f.kGAJI034IdV5bKuqB2pqJfRvrZExbgr4B2vhd5p3zosEVhCgoSCh6DcrEQ6Kkh2ow9BywLlLP68YLiAUvI7yqMpUhwqyhZEi6yNzrV0__q.8jq2lGViuEx1N9.iWqWUsRsflv9LUofV_pu7SFTvSzV7MjgEZ8L74kpNk.QEk2vTsw8sH5gnM0XXuWwzuQCkR2m98NclWEhL.cu_6cPJNq7J6qdgvM5LqtwP_7Y.6SPxZgWUvXDXHSqk8uOnK_MuTlwgPs.BDjyVwHZsVZ9gG",mdrd: "lGji7NcR2_EpfQytZ.8cFqsKRkyRTz3KGTkN22TWeFM-1739389370-1.2.1.1-IrbBQhQ7VSGmg1wW.L5YhwPMEsiMUV5OykH7mos_o2Vu_7VRVr5gpQC4lJ2.S39mufq2.AIXCol_YGp5j41RsBBV0xJ8pkiovB2tnBvXln0mjEdgp.UMdDOSF8A8dX0h.znc7sn.Mm6Gqs7FuaPsaY2IxARdRxWkgtyQ5MRUCi52xF4tdt9jDxm.k4iPjm9y4AS0PAYWqU28Z5sGlnzrV2Hn_Ukaf_cpMQqLff.Kz9jasBFOiHVIAoZEeYqm_F8sLex1x9BtljAYJJvKyy.KR5QMc_JStBYeknCy.JV5hSft4Y2IKBNeZpP4rlDhzuRVoEdCBxEmNL_8ukQoIX_FQHQB3_ticAhNKBjdl58HIkrLzb8695MSfHUGDH2Ehr3fXQ030cGlIW35f2eK4VD8Uoluh6iVnb1jx8Ww4f3Y0Rw7MD.OcI1h15xYx976h081uMK7aIJLc.UWm_xy8KdwkQ1bf0lSc4zkP64JiuF0Q4jaAc_BWM04pW6baVydZvzF26FBHMNFsANE29Oa.zk55I7g3PPcpB2.ulCS7lE_2KyUorssyJVp6O1w.TUdyxzFJtFFJJU.lfbwZfUVUCanLn9EPbxMFilnSdjZZ1uEFN4F_aLEBDA0ZlUDdJXdejn1YvL7RA2G4nOy93GoMSwvWZcVgqKp.l0m3vQDauGDH_8fm9O87aR2o56wng8ZbEZ6onHnec8liBP3.QHQSLRJrtcUBZl84sQagB4MHm7QdTFLgK04LK5ywfKWtlhVb4kgx4GcvczYWeXk4SCjeDHOcgIiRgPb_ei0UFR803.xYTsGeEfGo7jA32F6e8FD_1bqd5Qmm.Fp8fyCuHDwXiFeU4sc5TakMBFDlXNBoCZOMofCXgALQ_W60bnkeL0tQzv.Wfiq5.ueUxyU.HoWTWuxmDG.PlegDQJTlG0EZtZFTUYeQrb5Y9WcnT.yiVNDrh5d2vAZIwOeBPmQZ8OO4yZejApZdik4np.k1oFZrewQ657uhQ0BsrsnxS6AxG7dHFngsYqF249vVBUnh0L4hxxEp7d7pe9iC4NDEQ_kzCYrpET9qfLlyrpkpAo5s_DI9ErvSbkPiuSa9uK6J81cQqwjjd5LIWX2lCJpWvbtXq2YaLCX3XQaT.zZjVb.mSgqedTyloRMH3kdohKsKC77fxX8zXFDr3S1nXgM.710bkxEHu.dexzxRXkisqdVSjOqa_hhKP26jDcMtnJAB7MvJS4fPp5gLaBj1NMcvSCPTjmqo9iGweoXkwgNGfommORHaNZsUH_aksxm_9aLJB2cSM6b6nsPxYbbLZZGs3cmG.wkbxIJN9XST50NlYdE1dplKP26T5t1xm1ghdRNe6mMxHQdUsAxJdY9hFY3Eq2Htbd6Iyo1q5vp3izpftqir2dlQ.YzLLRz2Lj1WQ5I466Sio31bQQDzqTYYpWuPSFOLV9QItILaKMjdEmoWSAQpPOWke7K01R.SDgykxuUodJ9edDaqyQhHd3JO432kWWRs.y8tyvv2xZ22LtqaUdpcxLmtCH9CIS7fKQvWPAvhdgQ1xWCbDjeqxj7yHQBIC.bR_iYZxY_shY68vIG1otDBwwcAzuz3bRJk1SCrCtcqegFO5IUeOSKf.wNPIClJHBHAJmN2GUHYa4LSM5PVSRGBaQBQHFdp4CHuhQgpaiJy2lQDiRcTp9tqZRLM8pjGIOELRBOeeWjkt5.NvjttaysnwNzrrvNkV6F9EXgA9UHJjjo25gPFT76Zmb1S2qjlCvfPivvMtY7Q9DoTFBaDCLLblfq3t09mu9HFnZ3QpvWzSZeTdWssZf3uFoSwt0E8JlE99jws04"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=910f106d2be858c6';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\/5320147698?__cf_chl_rt_tk=60jUYqj6.EzGLTUxUBq3WBSlIA_AVFJ_POLtW3b.RSg-1739389370-1.0.1.1-CyjAlLCB9KxcNrHLReOlr_AXs7iEJF0zpkKktj2BolM" + 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
