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-684962167064.mit-edu.top",cType: 'managed',cRay: '90f80e94cea8c971',cH: 'PKUR1XMfpLxFgnYhAMTwNOPYbeDg0D93Juxhj3RspAc-1739148122-1.2.1.1-gLnwH.53RW73V4SQgVMQ7YWttJFrh1UePw6oLB7hOTAZo1Z63aCY_aAhbxzjn_qx',cUPMDTk: "\/post\/2354890167?__cf_chl_tk=Tlfy4XQW9alYsy0PwRemIQoKR9hXMTXOfC7Fd3MWIQ4-1739148122-1.0.1.1-ziIEHFt0T6vX2X5i9TU5aiRndbe_LRTepOadYYtU2p0",cFPWv: 'g',cITimeS: '1739148122',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/2354890167?__cf_chl_f_tk=Tlfy4XQW9alYsy0PwRemIQoKR9hXMTXOfC7Fd3MWIQ4-1739148122-1.0.1.1-ziIEHFt0T6vX2X5i9TU5aiRndbe_LRTepOadYYtU2p0",md: "HzfjbwHiZK5nUvUWhKTTkpR6OC0i1FAkKIuYwkEzNvc-1739148122-1.2.1.1-Mp_d4Q7YbryQRPsNmUJdObuK.SeZAvEWwpBLuPNTO64SRvwqoRiaYBE7na2agGK6na3ttxtSFCAxEoAwKqf_f4g6r6AZpj.4lrXElc3m.0dCibM9.O64ACmHYOCUIQdw6Edp6oSw.SwnLddXUIidfTivEXhBR90p7hS3gyYB5rnI2XwFbFIr7AtDbj5UFY3XqIQ8At0XbR.PHSblATdEEmhyC_xI4l3rob31PG1XYQjGtJ9PefvFyTeUy2W0movHmWaChdyvn3wTCIhPFOfKGRsS3zaPev2GSzEooguB5ODaAaC3YH9VONJ4tdpvrkp1ViY6aUlOtqsBKilWlKrIYaTZ.R.pRmlrxSNn0DHScKCtggFdD4KX7p7Kt41XSuWYH.b7PSnXdLeW3z8xUzoUWrkLmJuiWnK2y.JvlXFrlRuPtGX5kTS29GFKmp_mqsrB3wCFxDv0FV41cDfweeDV8CBM_wLjrQhdkmdUuhjwW_rrd7igjNEwNNe84hmApju5OYoqhrQNbHTxzRxtGRnaO10CC3h5LqL0f0ev4gt5E4EvzdxQTC4Fykl2piofUhclUSmx.0M30dUGybwZF.z8vK13hZM14nNV8V5wsyRSy0_rZhmuo_B17U7YiUaYGdgVuKEg4ncZkPs1tIUKbyYqcc2ZsMhbh6D8f8k0OR0uIq.5Ltykv8WZlYB6pryAAU1T.MchRm9zYgf3uz75CMDndXy9gBT0DkcCzH08JXSKJCoTSHQrIeIpHe9uHXJDgpmiG5u3i0ljctauIQxitdx6TF7uKZ5EJpbV6OdI.rc5b8_rGzvjwrIqSS8z3wj_Ft7qIHOxbCJQrrUHBbuxMLkerqGlJpJTJjtgovXCTA.iPBRQnX2fGkVGEZ5NeCZFLHyhsfKp4jtuYJuS0deGww.e6j_HIbSHkFLL4rbycly5_ic3omc2X.urYh6v8pHEyp0.JUB8uf0ZXNDOIoguROqzAqbgWRpYVAli9Yzf4gcGA7Poyh1tj_VvwT6N7AcdUMlQ7w0W0A3zA9MLoMPRZtKg1NjPKQnbF_WSABms.wtdQ.rraM6GPdPNZEPQMtlAsinz9Qy7x3kf8tqV6WCwak3L2nFVvgtOJkPwNFclwR241QIvjCjRFiYrqwdOYjRpB0IlfO4WDTajtlZ4Q7EKkjKO5htiCf59E19plgYKXPxEhpHJjj76zO69Wpw1Etvm9ODqgvjHy98VBnijz1tGG0lb8NXkO3_ySQuQqmfdkYhehbU_65AkxBpmpEL.gRzKK9.jdy_KF.OlCA0eWXawS9B.iEABy514kfEPXyJzzOi1RXYRzMEVDyonvXlTTtiw4Ztt6V92Z4IdsLPqNpZ1pgvoFicPBpl5DgliB6ev5vTFyc8ONJFqHRHy39a9bBc76GhlwWr4q149_cUGwlUz3_Ot0BN_7_C3849TjAOF8UVjKmy7CI7kHVYHIYHnu_1EPtqiCk.EJy4Wb_EMI.YLjdDHJZkZrghubOyUqFEnMnHiJe_9tqZK6ioDTiTr9szAOKcMLbrustkpvFuw_PE0f98MqwIeLfiXHeXYXdQi4bwmvBmrqmmkkdXeIzYNKTRR.LmhQAflHRGZXx_N_uxVqnW9vkQ4qExqrJoEGKthF6Rn8_1sEg7tyJrOfhzf.mULgLy6j97A12ykS6j6UrIIkoN47g5nn6Rse5HHJIVtebys_ghJMljIS5fo5Cts_ASr2ht3m_qYi8DlYEWhRqpvI6mlgZtuMDJI5jn2A.l3Dwk4ZmzFNoVe8ePkYZWgLFfhKIljxuKeUOB.EqXWJESf6ezvX7BKdvnLXS5I2Z7UY2xIJYPcCRjXUh7rLNrHNmvIELSzl_542G1Lj7ZaZ6KusrBWvzT2Dl1X9WRCFFP6H3SXTBZJmxevugs2g_yQQXpcZpcuCplpc8vUGmEX_Xz2q3R.3HFUl0dilzAHr5k2wNaD4VsdHAIxp7efadb10wz7Wur0KsvSGn6B3FdJUW_hDm.6CPF_3KWpMoRJKYm4HfZe659LkPpXZlFk0YMYT.3ENHOMzeMbQIhWSKaK1TzGDs5ltDRvZb.bhNvGlPU9DZkNrOB08l.f6RzF6RKXcULQUQS8rCGkxSmCVcllP_cbvmwO5jepXgh1M4g3N1ccxSSx2g7sdqhd5QFMns8h8wTMDKeIgIY5EOfHhOCKSkNhMgtPHdudVO9NlizdhV7XpA2TAE333ghq2MRqqRUBQHnFf12V",mdrd: "uKOgMO5U3DvzigLpeS5O3h.8b1vKFUpud8N3gkUXq1g-1739148122-1.2.1.1-baguhEuPpHS8.V2.jR_6.fCywWJZrzIhR1KipZllhAH9ip.ii8TYzuNlhnahthkXjM5KTSd6XQ28xZgKqM0nCRiCk0kUL51Hmbrl.Ej4ZcD_4D4n3LAqxl_Zpf0Fsd17i7szuIoSHViteh9edrztuuevupC1UsG0827S6kg1KseXZ_y3NQLcLCTgFcTFGDpIOITPcXCE5iaBgR9pxgKO.3JCgTVcfinAaRDEZYxFRvzoBl7a3KX3iekM4Z0D5GK_nw0tjQop9gwk5pYW3WNROQ7vEiv_niMG9_bIxrG7qg3HJISnV3LvyqkUZJTRQ1QyUKO6h908oHypbI3kI16Fab_qqDXGiWcJ.nwk7gpGXo48n8FeagnRw77s_XJO0Hpd_HctLgWCBT35ej8K3vZOrnbtKXg084Tz_e6HpYJ_BUL.kNlzonDWn8Wey_P4OkKV03K9PT10F.7QEJR3B6bkOoOrusYig_6OvBqnQkZr9rOZPAaPtoAtI6diMdXLliE0RhXUVHa6KwcEgdqKVqRa3HOLKaHZDz53Kh3WsNcVv6knp2mhtEMO2BZeByovUswTmtZyYT5qhn3H82B30gd9ix.5VjZLEMfOxG0EGtceAp06BLxbmSHa3eQ7NHj44VYtvdt78Pm7daUg7D4WrKH9thHV.SVhU2SYAOewFZ.R9dvK5mTOhC6awlemhiMGL_BJOsuOjOEh_obk4PeTGsQMEF3tTU2t17ksV53usKDs8s.EwwI3N0KnHPytTFCL3vkmCTbJDT9Ppaq3.NrI9VvTSCAWDGKMUSgojTejv8xacMHjVxNqXuQL8dl3XvzEVb8S8HxnsdNzj8Q3SQ5BTUershHzAep79MDSK3uUe17Ok6KUoseS2LlHtcTkPUqE7eypshNJmCsLt92TXj4wCm0hkFkufbwpXzs8uniXs1QwoIzqB_kGjfKpL1d8rtIjLGj6boLKNspE7nAgJ.juQT6O8Vx0wrjlEulSRkYlR_tJYEbq5X5_3CDkYarPoPMyAkJlnWUt3IQOFnxWB6jgFXT7YfcQ9GrOuw.cfoMNZkFHR1MxoN5oewdQNnLOgjYOcHPZdqfgNDQHNRlERzdy.PBIMC098ZckgM8N0.GQlnZI0RdqS.KrfdqCjPJYCs_4GxSaX.cbwOHijNjLDP9u5wD19S4FyV0mi80u61G8s3jc8fG1kcZLcZXga.SuVbxhksQXJs11.fIn068QNAZ4iflRdXRQ5N0f2PuOA4UyHjt37uxTktIV_4clm54BsfGWK5w9mo76HVlSERN6Bo10SzRZv0HT2ynpJnLq4wJp_ULUX.xt7B7nRgL.b.KL9uC8QYSIKNqkBB_.YtjOjP70WIdG7uT9gO97lqZSUfedyKNvIjNVox8OpJuB6Wx.GfJCwBxD2f0OcnPF0mpFKAsJpg8f7_qSNmke2Otl8zZu0xmHSysp.biXQ3USDpo5LzDqDMwQTlb0gftfKcN6WZQvRD.y8eK28NOJO7TA.jJYFg2ygTyG3eLbBPqFgAraoDWcobd4R.T15e30gOG0uY5SUIPzLbuiqKk62bQSpH2eOGbXAfas6UHHdJQC5fhISgVrJLAcTc46EqaB9.mvv9AnA1tWSQU7m3W_eqvCmcA2pfAeBaZnltTnzVxq6417RRCEh2hrAEJaDcd5YNTUTS6gMKImRYu9uctE5O4toMbhlxFCNWVFzg8J3l9s8v_9STj8ftMo9q8.1cVe0W7kBKnuiqnNnbpiQfD1f6ZVTe5J4iMKcz4ibyr1FXyJtw9ROstYZrIA1ZwbGqw6b_iBjVhw0BpY7g"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f80e94cea8c971';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\/2354890167?__cf_chl_rt_tk=Tlfy4XQW9alYsy0PwRemIQoKR9hXMTXOfC7Fd3MWIQ4-1739148122-1.0.1.1-ziIEHFt0T6vX2X5i9TU5aiRndbe_LRTepOadYYtU2p0" + 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