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-527606833540.mit-edu.top",cType: 'managed',cRay: '90f379244982c947',cH: '9bPyJ2ermHZB_66GY1ggb.aGI_PJCV55umCkP8p1JN8-1739100058-1.2.1.1-tKvd2kWQDGrusCMNXo33EySKPgqWtRMKSZ1w7lqkAeysbO3xVYFbz2fjsfqWwTzG',cUPMDTk: "\/post\/9570412368?__cf_chl_tk=RkIt.QVwroBiyqlpEKTn_6UY0MsaRparrf04rUA6eyI-1739100058-1.0.1.1-7ZU8BWZ_0RUBeJWR.f6Xc..c1.W0g3mmHibjqKdvemQ",cFPWv: 'g',cITimeS: '1739100058',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/9570412368?__cf_chl_f_tk=RkIt.QVwroBiyqlpEKTn_6UY0MsaRparrf04rUA6eyI-1739100058-1.0.1.1-7ZU8BWZ_0RUBeJWR.f6Xc..c1.W0g3mmHibjqKdvemQ",md: "VaU.8NXqnYsPQnmkN52lwsHlHctgNZo3KCrBwPaPDtk-1739100058-1.2.1.1-jg_qK_IjZ4cZU9Ppr3ZpCczRP46kdYI5z6RIH4Qnn4yW8lFJVoseryDvr13eMocG3XXxIzWqEUh5AyvDufo5qt7oEcWYA6HA5IoQUnCfGCgoTNAVYLof7BcQpHzfsqcGLwUsDUSmFRJ.4D90vNlk4D8WIhYtL4tYtJcOpCnacC.9lZprhYtoxeIvhexO_fMDXMjXv9iAxuVRK4Wzrvd8rc8qnTwycd.dAKn_oYZvllmERwpJCaGRllCXlHh3uPVkKnTBfyncUO.Y4P9Gzf34AZLVP7KB4Ju.Izeis1kRAxjXS8au7FU05thLZNXo0Vqy9khSCs5zTSV1IQJBGeKOejxONZ1Zzfu7x1DhqnEvgO3wmj8bboYC0YP70NhElkxcquJjBo.60Mx1OnTbcjZD5OERhV9KzkQpSxOS1HNOIynA0Z0wLfNTd7lGUZsVs.Wegp5m_OTPVin6X0_giPGtN4k4TUTroJ3KUHDFJjG7a0j17bEJfhDzvs42FMYC1XLnKXm282cLdSMrmTOC3KqFTB97BQyfy0QtMJ._Uw3mS._uW.AJIg9jvlEphdLSdP_I3BLv7Vd3FyVfirVUfLYHagekjtnfZNRVJ6POFgEtD.AYfl9qT5cbkpdZeLIOo16oi2AuEcdFhxnm6CrUjRF4yrTdYwuxYa9D9m153J_Q9cMa.axglgtheoWLlYpLouXYh04HrTWW4TaNw8583q3MPB7nFkefCqk03kA_UrgmCsEVBqsIw8Ndv14Lpq5KiV71A1oBMrB8ATqHQmNDMPthAKrXnkdD3dg.Zz0VPZLXEVN6KQ6EmbXPaMdoQpGPAvRNUs7TTRG4nf039hEWPupciYtBTI.K0Qxk0HmzlJ3xaDte_dPI.ath91R_VuVmXOJveOKsCknRFAdosgur6LIKMMKqMlz4ockGXfcfIh4OPzo68XAxH90dkV5iiWt7DPBRFd9TPBvoXey0O.QEBpiSVH4NM9z0u1dU1Of4BrVL4.5R_0HBUqtxljnlmJWTGQXgC18le0Lus08zJ5Ym1sKbBzHof76pB5LtTa9XfYfi_9o_jf0L3lwg5aV5PtrLTpOD2N10IY_GQfS0LlCXf1ZL5hQObSQw26cW.ck4nW_hY5_K.d47L14jfN3qqCmBSYql7D_MSae2cOhkix6R3KUvgMV3FmQFfTTJmy3J9d4bI38HojYWurqxk_g7xkPGGnVtRl_UE8LaaaOlW75LF_roBt6QMwfNo1AJanW0.TmXkI6wWiPOsbZYPH7B2mskPe9IGyIBnl_mwCFs2QsMRS36F86pwLGx4igHfgNHFKOqm6tN2n_8xqEpXYEiE6sz6kOJy5u4BPsxTVWyj90orNa4KjIcmsMyoO40DeB5cim5BldOxgbgapCj8e8Y_0AnHUPoQ5P7SI2d9xmFLd_aaiYwp4hAfWfZFsiyjVs9G.Q8WvwVey0poXcqFZz2Vo_MHywXBFIa537WmfUzuQBQLRRo8ZLTepTDUfuhNZdRe0vQBWdP7lAh14T4ha5Pa9zwywC3IS379DD_kAjNJwzE7Vsd94pUTrnhO5nolnEnsrJ9fJjBcp.011JE6ArdnuTPg1y7m9bTzzyXWOVLK3qjz8dgQ328jLiomztoEcvGgPhheu_YWyjnHnzEwZl70S3UBRT_g3GVMl0AdlaYd7PcevZtnEqHWAoIm6H.nJJA_uScPVJWqXBc4UCpkv2sjxhIQgDeFogtko39HkDEidDc2Dg4wblV1aZkMLAjwUcqemFdAz0WsOxmP4rI9YCPgCab13QNYDgDEvdiqhoRQqWF65r1joNSXIFCKcXaLKk89WiXcau0v6KPHLt2ft6sj_KLLNbU3GapVkmAfoG_ugMgdPKk.x5Xh1jpdy87FcV3Y.0Goi58EuI0RyNPlOxf84qTbbL6JocRle2Q_nGoPJ0RFJk35n7DgAonqVknbn0bmLTHBz66tajR9xvFW.wKlS5QQ6FWYKV6FTc_5FUBC.Y5GItoUvY.9YuPpBVgmkGUG6B6YAc_aRaelh9iqIVdbR9RNZyJNDJYJGunaMVKZ4MXEQqTqI2EkiXaYTjDbYXHQApJqdd5rhf.0paZRydtaPnctg4feIL2pp557Z4adwVxvk0SVgwvNSKXXkYaICD6JMn3EcMDerNZpIJ_5TliWTk0bE1LlnxmBl_d6TuXEDhnP4S7aiDXku3Dt7foXHFrFEBJQKzWmUzfp4.bJS5e1t67_1_p",mdrd: "GTwb.qGiTFrWXxSYbVAdo.p3vFFRWRS8prxn93_cLhA-1739100058-1.2.1.1-SfwiOzLZ4qOvG0gRUCEXMDBV7DrSMsDHXH7J3gYvkjfwfvFNE2eDEeeSfYUwLsMcCEGiWjka3B.iPQpmPwp20RuxEwgsPZnmGwwCtPkE2ezFL.1XUCmFjk6PeHARl2ye9P53y6voS8KmGRB51gzz3yZPyfVkWEIqzzO6k7PYM1QiepvaHPKWYVLutl8XYdVjnwrDq_oe2XqfZoSwInAjuE_Nu1CZdHaXA8eecewBT35UKtKwzTduraHucPO077wa_z0dD__Uva.ZZn_fep8s4LHT8YwlfvbciL4uSOHaNa1RwYzwbexPtx5npOhPhCnz8Dw8kikfp0KILPMMPD6i8Jzyz2dKtZ7VJcCDgbaEP0k8mjvmjj4O7LXr3SggG97Eax80R6WfViy8vXhbSwXFpgGMORVzUhYZ_DZti2QBZ8xlG9qi3x7ucRHRxhGFCk1WRGyJYXUXnGbZkRKHC1igl6MSL7FTIaZ4op5P_C1oIWIM.hOvNkhTL60SUpF5O0aNGmBd8YASTRd8UKNAlFT2ahnJGgKI3Lo2JioteuS_5cm3LcsGcQgG4bd9CGpc9NbCHjJ6CSyWollsfesM54c8vqyw69H6jentIIwFLQnMnq4VyRSxU5540Ja8yZFyEQqsjcE6y5j7oT83CQ8DzbDMDnKAeb0n2MOWu.H2xelRdO0QI2MPfhMUB_AhmdXpsecFRsGC3qHlPrhp9CPq0zAwe8Sy152s79qhYyUYgSfGI8e85zLhcpn8Tq9IAoCeTs7F7JUEsgoo3jf3kT8rT5X5YdRQVbqmogzDOBIn57vIFgCM0DVG15anhRHr36TJQVdH65fga4iJbrtC0TEV8z0jkaCSOhfKMKxA3pEvtL3Mf2739kqo8Rda2.6Lv0Yep8Xbwpk4kdDl_UVcjf8n_5OydVvmGD9Cax.5jBKc1DstCu_Y6eQ1k5R2_zfWDmQaVQBIaZfzAtH3jCLS1sef6e1k5ScCfuaPOFh2g7wExP7JV33aH2M4bapjVPKhGXkYO5hx7uWa2hf_kmgVK_lTj8J5NmtK3NPXErPEYmubCPDt9rr.rOjmPXHI1pNGxMc.C.4gmiywCa1d13QhU5pHVrYHOyvKOWggpjF4.Za5QHbbTx.ZYGFv5ynO1ADi4.xHEe3mbNFNfvi25.duVqXXwLecIjMQOhl6PyyW9O_9utTbzQJK67H8LLj55ccAV17tjFKEbj6fuHIn7j2iscRskDogYxqNi3nyxeFfYRS9l2jhNK2YUi7Jsil8frxRMeSAhVAeN3TTg5rBN5CYC157UbE2yimpBsTZw0j8QZSgs8ySHEkAS6tAL0FjXn13g0D7GnT0gCUiwmm8WghQsjZONHTRQAwd93TeUz__8D0HeAv9iATM2qv3Ciz31WkMhfLs6Eo0WVUabb6un5EwZ6XFg3aOvDh37oExEBOW3L3NKIM7Yrxinpdd_dGfFTtPm4aWsT7mbbJPX.A041yckDukPmapWmpUQA26knKDLOyk_d9fAqZbN3Nb2uhVXNrRr3rEtAgDnqj.jEh87ei0CZc_p1AwK8lCKc1Er0ODpeHGuePSMMEqA7PiIpVChGW1.mYmPgXa3JJ.6GK3JjjoXd.NA0Q9rm379TQnm8QJPUu.UpcYyyx8G77WHfdTVcvmwFk6N6nlJc5lmUAAyGiHj7KCZCdMojNQYD8AKJQGgAZ.YR7PY_8lZQ7nUgJUaXv7CBaI155JLqflaAN_TcjO9ouoE62ruQmwDe9SwKQkHHSGqEk9ekI2oV8eoOFDg5l7MGKbN4sKY9EUkZEd_9uiGeCkerQ6iQ34VT3DV2zJpiToHhIsPl0"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f379244982c947';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\/9570412368?__cf_chl_rt_tk=RkIt.QVwroBiyqlpEKTn_6UY0MsaRparrf04rUA6eyI-1739100058-1.0.1.1-7ZU8BWZ_0RUBeJWR.f6Xc..c1.W0g3mmHibjqKdvemQ" + 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
