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-433001884911.mit-edu.top",cType: 'managed',cRay: '90f668742fbf2d0a',cH: 'E.9VyEt6TyFLz15Y04cR7J9wpYTc816ub6mrVSiExF8-1739130832-1.2.1.1-JL6vG38yFtpVTs9KabatVZzaN5fsSoI6oCzB9Ow_NBEs.t.vGroysW38hHPOv5Jg',cUPMDTk: "\/post\/8792361054?__cf_chl_tk=5XuuWJXNebXDd3TIGa5UDSbK2lqHM8VBUOdYXTiEElw-1739130832-1.0.1.1-fKTblhfzewWt723JrZpQaefWNbpg7xgMlevJ64ePWAY",cFPWv: 'g',cITimeS: '1739130832',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/8792361054?__cf_chl_f_tk=5XuuWJXNebXDd3TIGa5UDSbK2lqHM8VBUOdYXTiEElw-1739130832-1.0.1.1-fKTblhfzewWt723JrZpQaefWNbpg7xgMlevJ64ePWAY",md: "KEgxRaG2sNfxRiVThfZP7a3CK2OdQ3RQR981zvSJ6E8-1739130832-1.2.1.1-xRw6tdQOKuSIF5kX7EpM_d_ACdu00KppC7Bd7OiD.5csvRJm8McAqjOUhP8aCBB37JH0jGW1sP9F5UguYxjJ4wiOxDuPJ275ypOgxAPaSrrMAks9qDHgVokhUz1vgiKWYW5O3W10IYSbEwJmJIBsQIw5NnE700RagpLFMXUv7GGnDpFtzKBU6200tC7mupgTZYvhfAvI1xpaGQb4omlZ6L6bANClqZNdKDztvIXVVFFT_MaodNF9cfsv1bkUb2cRDksQBGNc51Q_vfFrcw8miHgSzgtUT0ozy_3ApKiljKY5Xb6GJa4m6WOgBd7MZV_blMjMuYocbhnGIT6SPxiNR_I0d.S.2XMUZlqLxtVf1t4V.VL4U9YJX03vdaL1IyHgJPCAYkA.DxHJzFK22MAps8mEwn0APX4Qq.qRzUKozc7vYQI_VrqgWsL7Ke7PeNUnrlmNAqELsOxMzW27gKA3AXin6SEpa2vEZUxF1bzZ0FDLbZlutwe2g__1f1uqggK4SqT5ZdT7DgO8N3aSM56WCW_pIt7tJLpfIR8d2.yywtmZ34JG.7LtMn6ZzCn.MlZEWnCABm2LkV3LI2gj.AAksDfyg5Q_UKT5PjOlvXLNQoRERN3I4EGfDTk1WF0Zen7fczetQxWHG5gB2teXxXRXPkcskLJPWXMa5Lybpxnq1BVTpLSs8V8vY8Zjr2oQSGT2JP0sCOGY6HSmpDik3KF15ODjLZEenWuCKkyOsUSm7YH3747zR6gxtuwmDNw3DHmoJbNmpuXHihiKVrbFr5d8dhzhLhiIJNUFyqd2BaxfQ1ggbOd0cbFge_zxhsijh_r0BNWaG1ioX1028JKxqX4VPsGkzDsv_9BbGa_xwlLAWQHRhGSoqbTf4qX5MFae9JOSVn9Qo1t3v5Hj3QJ6hBXxRnxZAzsFZZ5kbIP.86kB.CvTwrhGiKdZw1EeekQYs53ZwFua.aLfCIwNYfGRyrnFcUqbZckl6ZxQ_7My8m1iiNcidLEL5G94LGLZOaEKE_Z13Um.EqmY0vOLjQVg0bGUqlKBBOF4bRDvQv.FDUvrw49Fg98tA8jDfu9jcnwn2gc9kifMd7qQvLz.zqPsuhzy0nwtxm.2iGKC_XW4VKxHjx6TEWv5kzK.UL6b6n87VE8GMzBz8IO4DRIiELcAK7O9KZBv4P8QpW3y4Q7e9AGcL2UL.qxTSGSMNMiE_TryiMbwYX3ugyFSStK6w08CHDNw9gN82ICHk.VnJqEVmovpNMwcPELWYSer8xcHswj.Mj7tPtlb7ofy3mHzMJ7.0RRFI_Bf_XX97QAyFamcocAIcijMGVOBD.Uk_7NDJwLvbvkbxWMWCVZBN8Y4tJy5Uj54D7D5yJAgNgeKnU9FCvdZxZBSITe6v0FWLQHEOucstDdFHpmucJqo8mvjSat4KbE3lNZJgAhYfeBMcYn0meQBoOUjRmln6tmTvtn5DLTKRm4cCZe6ECde5t5vPvTO2N3lI1P50vbxeBw0v5Gp0WxuIAuB3uy0IotGn6Ucc1av3r167D_oR_SlsZD3Hi2_pkyQt8pwwPwCXvzsg5qM7wzTOSRciHX4LXC4HPzIRvB1o.8_xomDSxqkl3WieTITryvP9a96vkzj9Ny1BGzevz.ij1Z0KUCAAgvF6EnVaPU3vtjuqkd1rx8rmGRroTKnXe_vkaXA.mCM41X64yQlQcnpTWmHou16UWUbL9dS3JnQdgIxpj3WYOHKtS4oZjRmzjMzR_m6ceAKFoUND4a1ZeyKTT7l4fsHaFozNB9IfmXE1V5gysZn4VoNvbBF0uL22pepZI5NLkXGOkbgeQL1Sdcj5uws6BqtFWEUQWftQ_KQWU0nGfx_gB.4_EOABvphC5H6HMK06.fi1GbGHeuDX_17BS6SzdK7GH5Os9uAswugx.8b3GiHTL_iUVyUyxjnz1WG9Hu5_cHSjidNTQu.mvHZcbOYL2IS.ZWR.JMJK65zmwFMXIoj1vp4ElnGtWqt2faiHCCLLh7wOHaMFYZ7Eu4.34RCsUfGJGz0Br9saun6JUoQ3tXdVYgcjZxbAoO8kl8XEXuz1PsHBl.Kkgy0HyA5gc_FW6RE9nMYLYIxYMFoDSiP1EsnyK2Y6Buotx9BoBQ_M8PZzua4jZV6v.xo4KhIS9shz7ypyJo7dNNgROEp1WCOFwsBNlPLZwFsolaWNQSCceZuvuw9gL.KON06mG1p7NBAusP2IUNnbwprrCKpsVO5",mdrd: "fmNge7Nym5WMhHS7aGnFItJN0IvsBghoKr8cAgntz7Y-1739130832-1.2.1.1-lrujxWQtuGMmJEkiDogp9.6N9hDPjAW.AfEOAsfLNDoEQTo2Y1GqdP63JCSQBuuEAwcuFi0_m5VkBQxhALB0I7bWVIRrTNdTh.y72ptfu8_jUOl6vI2bU3NvxapG2c49qV.cj3mfNzgmR0zCo3Vfey.OcERRU.q7.eQbKcz5Xvk1yLJdrt7SgqPPUVqg1LYQccLb6L2c1Glovima60HDr.pyf7ZrYCUldpleeoveLoPOMIxsblOq1wQY4bBKBChZbfiwNMTNJTxYiaQRCvkd743Ae9RAB3e1gQI5VqQRJlRnOBfowWhV8d85I5vBJTfqRCDpGebrdH4P7lbdZBks_g9MKQDA8Iokv9NLQzOHPBpxML0hwf.ieC1ciyfCyvZ_hJAMzwDzyigYwJx4WGuf8ohwKZ3qf5jZ5YDETgXIdZQFdTZQ1.eO8C3D9B2u_Y9Z5ZhhWlxqQu4CJ7FGm.IpJykdhhJdhA1mbnBSp9kZKDf4tSxecZJBNdjht_Lvlswh9HFEOvpA4qez9jOrMCN0AkOnIlqcgy7clcM5knGlgQQ6EluHs8vNbQAARGDdtSOeKMa_ribL4l0AYWiZnGzH4XubwZKtg46PFdDUW9G00gEawaeKjGUk9SG4ryYrgKNmOSj5fcjyUeU1LeUTKkgNU7DK_4ItjCDRPio3f0SMzkrkSGgsjbie1vPIcYhzAJdOqEUmaDGOmD0d64CrQhAf859YFNlSMne4WISPgWc64ZUcSQwH.Ask8cx6Fo8uzP589nMubcWEMAoObUZ0bd.Cr.KanUCHrHtpX99DhQV3cbdj2MQ6WW02hyLDUUghyCzB30Qtes4mUQ8eCByq8QIhPz1YFlh7Xa_4uztt8ZM6P7.fblcRMiG.VlFP6j5H3yLn5iJeW_OjuMnAO7gf0JJBx8sLWvIqF2vrCBg8z1Lt7LV6xh5d33XLh89e5uVUdyi_3yHvrMXMsKYEaFHXLPINiPT2q2Q.9MEkbrGt2nmU.QvP76GLL.CMuI1f2x97weqv17SSF1YJHFAg4IgyqjT3EsTvYKDR37.MVL3I4VWceFrwAxui29UdpkR0e9B23ueLPUb0r4Yd0xL6BoTe9RQ48Rj_by4dfvDgJ66ParIcTdXTpjLX_v3jrKoVHPQ_HrB7.N5UhoU5TUKdP9ompyUUZ95rvITGzrsfvonKZwD2uo79yXAIwX330WFymEQuC.2yp8YWLRsyud2PxU6bBMuKC00YaW8ePve6dHluHrxjHuXIKYpYQ2UY5JHqkHMdPFyz8x7r5jQkhrR0EFT5svCAtLRF4vR64vb.Xbi_0fkW4eZEGBZlNYzh5xTAyVsPf5PCHjzBSBTMOCju4KQ3x0iD32KMPWA2k8rcK7OqHxSZGbnZ3NV_X._lIsQL_xMJt1xZRRisC.zuOYARGDYObSACVbKbrE_68gv9iGXe8u8TFlLZDHRbb7Tsm3VJZ4zlv_XNZnQKeQcippFbwelFSi4IuFViZKAQiddqkbMMCF7cfyH2JasYi4et_ints9zdXvFwS1qGPjeOxFaRkc3xmibuAgIVfuGVshdTC6UoKNBhPSJNCB0uHESzqgU2t1aBB0SCakxeDsG9NOmSgBmxTjP1xOSJHKtH1CX0njVhD51p2A9yTSOkToFJr3RYqMRt37xLFa2OLmNkG9EFSt1gjcXXnax2P4nNmpiboGphWz4lfYRPW0EA8Vn7nHGmsbuCHbzj.ZnilcmXpPbL5twkAgdgbvZDuP7A3OyqBBieRTvAKCmf8luFFoS7erd5LHt0aBtkDDsc0XGTLU2Tf.hYak.T7dhlwqnfEMa7Wen8H3ti4zg"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f668742fbf2d0a';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\/8792361054?__cf_chl_rt_tk=5XuuWJXNebXDd3TIGa5UDSbK2lqHM8VBUOdYXTiEElw-1739130832-1.0.1.1-fKTblhfzewWt723JrZpQaefWNbpg7xgMlevJ64ePWAY" + 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