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.

Source: https://blog-250995232469.mit-edu.top/post/3945617280

  1. <!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-250995232469.mit-edu.top",cType: 'managed',cRay: '9107b49bf94c9c31',cH: '0EYwFP1l7zb.37a5Bf.aaDT7cPZuPMpUdaqJR.jkG.s-1739312209-1.2.1.1-4BxfPZuee_ffOE5oymTk5LItqIr5bGnN8xiJV9f9FBJFGiuoUsbbJzsu1Yynliao',cUPMDTk: "\/post\/3945617280?__cf_chl_tk=.R9qJw2K0sJ95.nuRgpuF0AvKwMheM9T8sWqzeVoyb8-1739312209-1.0.1.1-u.w199ryrhWqyWWj4Ygu9masNMkijfbbXcbKJjUaFRg",cFPWv: 'g',cITimeS: '1739312209',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/3945617280?__cf_chl_f_tk=.R9qJw2K0sJ95.nuRgpuF0AvKwMheM9T8sWqzeVoyb8-1739312209-1.0.1.1-u.w199ryrhWqyWWj4Ygu9masNMkijfbbXcbKJjUaFRg",md: "N8BvFA6vjJrg1T5HyFBviZzAaAGCi8J8m5RG69VDGKA-1739312209-1.2.1.1-XJ5lNu7ONjW9IFlemhttSNX90MMdeh29yfVCPmdO3YNfaOofBtyX2PWgM0l5R2JJIqdCJKsU9tOSruLEFRkAFJHdCut90YONRJ8nPcJQ04oS1U9Lmj7tbOIKznvqxkuyv4cC93Sd5veTYcDeqyvqBCIr54W2en2HItPgF1Ob0iEZmn037ldkcu_SLDYL6OXlSLHXQgYUVrhKF3_WxTXKX4687h3iLpEx_5UzdcrTD3B1Tkj5Gb4yVh3CH3ylFDTP0SM1ldkbDSH2UUxTmB0qI9ShKUKYF.R83bi.xaOAjFaw3PJ40oriHfHySxHeix0x61wvsDdCX1ig65_fGkxQ95ahpMksUeqsXZeEH5.E0C3Evk91D.fVovQROeFwvXqbQn_87g9sKd2p7ah1nV594eOcYzgU8awQXw7z0ux1NXU4Wt9YVQ6a_AXR.CJJfK3IE_xeibi7OGkiHgEjAvPJ47yg3ROqKu6Hfmxl5HMi0Nlvb.lEFxk8c1JXnPW06wxfEh.DetO0pOiLvw84xQtyWF_WBzWYWs86hNhLl2vXKtDxq8V3Cq2gocuNQTmqviwGbZ_SmELZnpzp3dfjSW_dRRumx3AnJrl_QtvoxE4WnWT9mxxIdiRFcEegyI_99awuIwssl6S.x_rXzQoGGTSCEkGM6ASw3pXaEyIEw3Gz7fqanD3U_wMoPzxwIPgO1oEA96rNcAYrgpnQK_eNDxflq6GaMNlIFGUHn.1peo57RiRW0hWEDVvK0sEJHtMbcL9HuqN.tL_9aVcefPz2PaF3f.H3vnQOFiuFNOm.ASxmAIM5anFu8YGIoUR65rlXHIC4VyYZoX9W7HwlqIgbRXhfRhJFNj4dhyWVo5.9fDTKZ3D_IAI6mpLSxvTb2Kloch_OE4r.PrNhTNbkUUVhb6eIyNf3BL45a2H8EcbatjPOlP4SIoCFy7yGuKahFL2oBKMi02iT7Bprfcdxf8AtQf1ej1pXByoOgtahE4UVpt4TsmBZFpmN.S3.FfGE8MwPJfiXV3k3aQH744DxBIeeq3gVBjvh5gzRlPIt_bLdZapIgNs7kSPFA7mXdA4trN0dRlvl.MAdrrq61N4lMi9TmliOb7Ew0HsVaZGHVg6Tv49ln0bk9p3XmRX8OuW3ql.r0LikgUjVv3WdcQYQt0q3PvFj6fXvjSJ5jWYCcyXFMXaRakud7GdVDbsQBfojOW6L4828SnNl811iIDGIeiWbXz0lt9T8KKKQwnQ99V4L1OXHvZ45cbySSShcc3jXnOzkC4o_uexyhLmwwjyGEWVUVAeHI1AtrKr2l0E2.75gA7BLeNO5tOXWsv0lN2PJ1T65b3NgUBk_XCAvryXWa3TrccR0f_G1TQ9dsXs32wdl3oDWb_bC_5I2phVBKC6tc5xk7WlkJYIQluKKz3hHmeTHNZ6bwA4NE0WbATirOG2R5m5AZI5Q5QfzugWPvCnxyE46QPxSReyQ1yBnycsEbMxOibB9Y93ToCBFWlyy8ICj3Q9KALdXQsYZsgRAE2wq8Lfevtt6gM1fgMg1l3BG8JWIGdCN0yrBjiydG3pbW0h64h98LthQyJlwFArJ2LmQJSTLwbS2pJdv0FaTPuSxTdqXlbz7NkfjGaqjM_qoD_xbeenADrdIrZ.TP4t0h3hqJ4uQAGGDazmGZCgdJVQbzAJ8DG7Ky9MEY0I3DzrlOoTjzvybCC8xzUerRr0d2lQmiH6sAdM3BZbANStfkok_R8qAUsyFl.I7g4so1Wo_gwTbUZOpJXPozVcnmvsFl8RQA1cgHpdvU3VW9yn.aOkFrUe1h25hyHMlVhuJ1zWE68wSL1w4D8W.QWIhYuV1KyEAzW3YhS5Przbgg5nP6AfVNYFyxP15phPqe0WkGQldvYq6R109mfIwRyxADBWV0.Q6h2pRfQaUQtu5CILxS6K85OSXgmPTvbmd8cFJ1.LGWwzaRALLhji259SUyqN5j21WuVZrUoIEt7KzNdM._0URhZMxw5I0vRC3V8H8.kXTAwvATuyBUPwiXL7Ly3MXrUISGNye04CfLBGA60tLhi6axP8w.9ikzpc7MrK3KWoEE3lbaqedPxg0gHtUr6Y34GXDj.5hE8dsoBDCyMvtpeL9RpU3i6ehYd0dJRFg1pBBz9x0LsKwd6vT1ELseb9pTc.y8MCXKjiA5VuOqbIEwAU5DA1N5GuntEngJkcwqlom4JNPd7BsqyjQkXqjLiDuEpWYiS6wwi3D",mdrd: "3BwYS.6Ym5LQY1qhqiyx5wzv5Me.5ZGTRrFmT4pqU8Q-1739312209-1.2.1.1-vuqP4n01t3TLw3SeIYUuj8Xu_.fSZWAaFVBCEwI5088yRkUTXkclzmYMl3xQUvBO7YiLEj0Xz_qSNafgIWvqbySqXStuVrVmxFWdiUekd7pAZDrZ_3_8w7wHEcmn4gRYzt_HehgwMoYOshVTKWsz9fvRE3sgvud0qk7gBSKoVGHsuxPbtTDNMmWZY_afazUPuIU9Fd7lSnzDl_h1RXx_8HETXdBbYKsfrY6R8scQP7Z3zc7Yufo2sR937V3NmVS344x9OB5s_RzSodyJmxUzt78kCnXS.cbVUbbhg4PARZYwBSaB4bAf.nHOaGNoRNVGQKysdHmkJlsOVHvdylJBbgAPZezJV6k7FYEBQ0eKoqKgZpj3wKL.LFVy._zYuaHbhmSTlgdyk3IF0ipXINdyRpS3HDNi4m_BKr987Yr43fOUS4Ih81ncFYy1e5oiv6bxaNIGalVHo6ZK6exn0JQkutINqun9WiNaGo7Zta2sg3VfEJNOvqRlD2D8AjmNeVIaMcbLTwbramI1PoOTt.0oDfq51Hg8lbbskp_CF3KFmkzYutU8_XiQueTrLuw9QEzPK8I04L4Bz4z9f8rO7dSJSPIqCrFXBwqWanOurK5PmtoFluFkHIDg84LcF9AwdgkQxdzslOGXoKG9FDRsrcV6nvZDkAIrvFaoq5w3FDV.BQqMVRmdxbCj8M_WKN7tk5Yw5HY4w.RYlazeccdwRzKShQfunTTWlExSau1XWbNjVSRdvf4lWF2jRSH6C.JAyIBwctegDBnMHwDhYaQ_swN3ndmf0.CehbeJDOERQ9jhYf1yFQc7yUwypFRn1jnBcHp68Rlj4dWdxhgUjQXe2njaWgLZ6feN47bgUgq95DPQbvWjpFVMDe8_N1dM2GUFNbRiGN4Cibc1OP9XRjHLPR.iMCs6PjLPy7st51WuYCfsESLcjQ6KBIVLYBMvI_Op2gKU5etySDG8U1G8hJQ.FBJfSDHrbKZrOjoJ52GNZ..40tibTCq8RiJbTdXoHtubCNVuyXPeu6k1dCPtuA1QEB8WssYfG9rUFvQtlrnUDa0HQ70_4xDjF8.zx12.im.nb1nrZyYBgF9gFQgTdbxa0DwxSIaqlZD39aDsDMZkFCC5jFVO7uNpXDrsNoseI3tOvjeiwSBNRbiWqx6dTrlL3AbQZs3hNVO6VNLzLYDTKU7fhizgZVP1mLU3487gg1sg58a5mLMNdEQLx_giC_6bzOhx6d.uedXue_hNlHHKBv2yOJLwPYZdqtgM6Ml2aaZyg70Ggxcg5T9kzbiA8FdCCbwX1.7yjyA7uwCCrb39KaXJF9eLgFXV1QhkTXw0C9sz34AMQEr5X4R5zjVFaSnVadC_62LNjYGrhiOF_PSGxjFSYfhLxXGwbLkWdeLD_A5a_6FW.b22W7WJMo5iT1FbjiXOl3ipgzIUS_ptWERPCCWELLQYDKvAlrgQxTdC32sALgdBEVEqIRVyP.jUPgetKnHrW47pPMEW4uMwiHVg0gSgzV8sro._BnsvDdfN6zk.hEAyQIlEe8ejANvRPao82JD98fGO_qzvsZY0IL_AKrTLW4hoeT2L54S2EbWidsU0CAYdpcIxWwbHNt7V5cxwL_q7LBLJ9h_4kq3JvqbzAaINU3xHq2XHw8P0vsmMXsqBOlW5XB0whr.YppS6dpEsV24vVvlOOq4LK2DFP5qy9A3w89GWwlCrBun70B4nifK3CTGs1ZS3RhtJ_lg5dQ7mTktR2JPXRHhi.Sb5ZNsjyWiWpmD5iltpczBWVgfCnx5IZk5rxcTuYlws0UISNqCRYLJhjKnEWwTYvq9FFYZkgAnU1XE"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=9107b49bf94c9c31';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\/3945617280?__cf_chl_rt_tk=.R9qJw2K0sJ95.nuRgpuF0AvKwMheM9T8sWqzeVoyb8-1739312209-1.0.1.1-u.w199ryrhWqyWWj4Ygu9masNMkijfbbXcbKJjUaFRg" + window._cf_chl_opt.cOgUHash);cpo.onload = function() {history.replaceState(null, null, ogU);}}document.getElementsByTagName('head')[0].appendChild(cpo);}());</script></body></html>
Copyright © 2002-9 Sam Ruby, Mark Pilgrim, Joseph Walton, and Phil Ringnalda