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-989504380402.mit-edu.top/post/9013684257

  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-989504380402.mit-edu.top",cType: 'managed',cRay: '90f37025b84a3b0b',cH: 'a_09uxakaA4d2uaONFZUd8u2US7gANCQu21MTm0Z63k-1739099689-1.2.1.1-XNA3Mw4l_IYc9B8O1.uhAILl5uVTs14q_t2W_LIPwc0jvTuOaHe7O9PpAlYfD6L2',cUPMDTk: "\/post\/9013684257?__cf_chl_tk=vWRQpTUaL.Gepv7lwiYbVIhDIATk7Z0FBnNRZ6UT4Z4-1739099689-1.0.1.1-fc70VZWtSH38C2jA5MZ5KCFTzlkzkcvlE2.JPNI.b98",cFPWv: 'g',cITimeS: '1739099689',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/9013684257?__cf_chl_f_tk=vWRQpTUaL.Gepv7lwiYbVIhDIATk7Z0FBnNRZ6UT4Z4-1739099689-1.0.1.1-fc70VZWtSH38C2jA5MZ5KCFTzlkzkcvlE2.JPNI.b98",md: "jK2yzCOGoA4QdBj3cxfDluhmWfmbJHj_vfGCkOkkREc-1739099689-1.2.1.1-q5.tQMwbN9zfoh9._OD77hdZC0HOTBQgYPd8JLwSZvs.Z.ZguSL9pFXliNsqXbD7LiEY0r36gTsjvb1QpLeaVWEY8x8SCldH57PQ85nEwYpNQBh9xaMTTV2aDPpXv2jaeMnDjIjgE9g0WJdZXLvi8B6pWxBAjiJZypzhazsY6VQp7DREm4f842rSWdccTdkuLzlaq51yxg8wnAbaXsxGTSSxo9ZuzK1EP2siVGZkLE_94ynLxdbH7kCki8aE31lA55.FlC8fWmh_R.dV2V7tY4WVgeoy1WP5N_odw7j.8YZ4tUzh9A73pcBi4opJgTdhmrAaJU_FItQEv_wUiuOE8eER1lXMQXr2bOQXlH1SEoJIaO44RQanPvOju69rO1VA0fd2.Yp9RCXxxuviM3kdLaVjMqJ7EDIYk40QQxaDMB7z9v4RButuXSA.qV99WFrjg7snu7tQMh_1Z.wvj1Cuf9bAeLTfmzkQMDK5pz.bdrb56tvNhazM9UKJbb5kWMFxAOYSTEq0r7LNOckMvQusk9RP7Ois312Cl0FDN_Wk.yPeQJGRyOE.0_fWAKu3C7OF72xD1OoLlnOUwufGyWyAQbt1DAzmUP4FN111TKn6O_UbREpLkKBL3TVwi.wdL8qudwd4JDO4EtCFFeAnHeadLdwHaFzWUhs8_Gduuyzeb02gQd44JzmmhtFVyx2Hwllnao5OkbOgcVFpanU0d3vjkJKGFPLh7JVzV3s5h8Y43avBGpq2OFo0xxZAmFNK_M_xNW6Xm6sn5snvLDO8HshOzA4sompzdwf9OOywzxV9yAIesoeesJMyzcTvXV3wIhIVn3CB_Ca.oM_t_Y9nMjqZndqzhmAfMwfcOLxURrRkOqrsiy0_MYNYICBtfUaypeDywlN5X2RFPATzp.T8q6pb9zxa09pBZ_mC1EuYgEr7sYWYMAxwMakfqkJzB_HurPGfzQGzaS2DYFo9iwBHRRYDD9WSJ4yo1KuwGXneQYh9hyP09DZ1eyGaznLqg.R0SyxhWVEyyO26F5NVyl77RcGtA7wFQq4hFbAjZ1.GWWENgC5EyXE7HKe3DYZvXAtUPWByy6GuYHSbb1Gk.agsQlIdknChO2pBl2RuvA7u1r8kx5kiwAQWxwhH6IZ1WethwWo51aiq5mqzwdpo8pHqPKJS3dL.vMyQxMbLEO4HYfC2BedmjseNstLlkLqrq7T0RYao80iJHd8kkPJ5Dpro4u4ZML3jePUhFzcoGceOSlIdVqZcJWZSvJSDPlrnfd_2awwhhuh10BfKPUjSiRUTjeZ59QNXFE3E.3GWyZMY0piykJEhdecJQ3EVjiQzDgJTBzZSRsFJzdMS4TcJHqA16LLBgiquQYoPgdskD.cLLdK7H1eTSmmHTeVSLHAfLxxfXM676geaLAF2H3IxLuGDsQi_x8dPnsHzVrXAhDtkGCHgtbZmKxdxhvvw5zAC97nPDHl4kSEEF5qEJnACQy3IeUMqQb65q8vodyM3Uhx5rHLY2mHkAHsyfM.FDfEG9oO8pXNaFuXVxfkXI6Ve1BzetD9yNO5LK5TCCc.GnwS.7WM9EUlGzJ7UV.Dkm.RuJGYUB_BoC.jlh6m71PV6ESi4S5qYE_eF85cQd41.TTQkYwdfkgYs34VDOvaUpXDIcO53FFEdQPuD4go224aea9NNKQZENmb3GEdL81ZHPh3UsiOd22YXwO596LHiIXZQtKQytMgRJ4TClgUaDXgiMEScQDfoA8.KeRJ8NReCsb3AVIO_hsDAc5gSC7zvB189ngLw_9bmRqUyt5Ss.bgQhY0M_yeHjHHjdwFft3tM9LCT01wc4Q0nkNXfpuqH4NDqgUSFrEhBH1sm.Jmu1w8AnGDDWl.NkLfR7hFP58l04CFMe77XVfFBKn7r6CvuntEHuAe9ZYyBQ4KbK.JBE8b_sNoG7xa_dKkVRNruToJ5vaBzf1p0_ZF.tSkZpRCC3R9IuhgPsgfiorWasXd9OI3zJfnkzdrP7Axd15gJNbH27zZHzSnnciaDa_gzMjyYt_kS5ZOma0HuDvUdjwGvyBrFhPRyJpACW3RlJUtBuJsaX7blSAZbhmsG9SYvEvi5h7FK94UX1_eGUVEY3lQbWQkL45XvysQ9OetZVo0dVmOmbh4_8vVl_hQKdY2kwoTxIbF_ECYHL.LZ9Sm00u4BNKl8oUebahJBGcflpZmlbnqCIasjoYuEVNtopxjyPcnuIebDgVHWetyb",mdrd: "9hSlK3EsKCFtUuzfoWDi9RvmsGnnXVS0pP0x.Kw7djg-1739099689-1.2.1.1-coa6RZsyirrSBCs7quxGiK3WmV9vKdGoCmLqVdB7G79e05MvGwL0.KJASlaP2v8uJZPwEe4GgPdBCjMX1mhObXNXM7o72Ak5I0dk9uFeG1HNQ.gpea59qs3GuOupyLQK4zbzFJ.bSLByLxJI3sv7hWuqVC6tYj_OLR0J6vUCwDNman0QDXXZQa6OWqPjzRODWrM91pulDFH8GSFuxfcXql0nRPMOkugvXjKqS4VXf4IlVMrVQXM6LXJjxz10XiX946EuqtwXcvZSz5Tv3NEWxV893LX.D715gjr7L7xwvwAoCH8t1VP0T_zXneEff6gzpduW1Ddj_Xu0nFL6h.eUerBxly8GuDItwssqt2QZ4H_r5oOCBSssuVsi1Fh9fCc68luOp962EolDK414i_RtbikXUUU.sKWyhT3jX0jdZwpe9JzZp45QpJbYeqqlVIpRkqI9osQT5A4fUJ5H4Osa6LrKhdU1PowIBDH50pNO63d4FDJQR0Q7__so0biRB3W_s8N9rWirdRey80eHlDZ7QjgxRccdHATe6xGEZA3clHuXFHBO0Jjle2YiIYJqkIxdLkU4SMv_7vp4_i8i6O0Zl72JlUiYHe5KNNME6d0zg9Ewvi1oewnuy.hKOaWCFl1PrGu6bzbl6eQiXEu98SMXv171ZYCeZrO6prXcfTvuIoVrAML3ve.Ws0Ts4VfBlQT9fi7Xx.Y7AeN.j66LARhjpzYBTeH1lmUojbD1yeH5RhHftilBxToU5ZaKsTV9gzgeADMHiD8jupcQhGXfVPXftD5.HY4oo7rzXvoqnw7KPGtjSTzfAXx1LXa9JLM6D9L455gYM599LJ7cnH2QJ9iInJY_Ym2GaOElsnqAcedtkpH_hv6ARuGrnTHkZc6h7jvdMqaSRqZ5XqWNRLhIuBGXVKUq0aED6H5oCGxpHkULOGTCSGP6a5skJZN9pQ3iCnGUZR_ebnQaa9GLk8U7ARcMrGGh4_OUS6u02P50WF5S2DSJYjqeLA7.L15WGDnJ4.hNZwGxiofd3xhedxgIJqw1w_gT3X6Jb.QCgC6TyKO7xPgvMct4ZuqQgH_BIuNy1ZgxK6lu7s0YYEpCnCdxYpeGK2y5p9brGo7ffYTcoIp6nj6hnyt.kGPb80w5GXgCdX6AXsb.3PFk263QNLYXJiBDc2V3EYqfKcIiRhuhg8xBBdW0lDYOBt0BXoSeoWBM0w_v5ykxMYLOCgW2i4eiqLWFfKp8dpyC4qOqVzG5pLrnKGcRBdHw9p.gFElygetM_K6iW0rBC_9T8OgfrEI9m4gHD68ezPJDptdo.96pmeKXFH5JoGWGWKJt7zQ_5NorNgrbx5OvhdYu3DuQvhg9Gmd7Qh0W0T987YVoIi5MCE0uUWTyxv3hHvK5j01GYLdmLrid3BQazLD_VI8heHwpr1CQGRIrLzHZudikag_UyBr03kKUQeJmHz8aiMhyv.O09TiI67Ce6LXIbchDucs2lstfzRe5n8PTX67dny3QyZu5J5ZFylYpqz9mS7NTO.iil3yl_ploB3yrZo2DyqO58Vefx9yq8A.xxFeY50vctQ9xRJMKr3gpvclSmcxIEdLzz.Jx5tWPy0TdSp8go76OoPt2W.cLUnbwvZF0v0dt6.dXi38kTNpQwhsJL_iWrQA8kCtSKE0LJJ9jEtSQavOnw8SAuwdHrTwjNxeU8jzhWem.jFQMBQyGFDy07PugXqsWST_m0RhLZ.iQ_zz86Jzbqq5zK2ejAgRlJBzF2PEfym9pTsqpReLaCX4dEbdPze0iFpU_8rz7Gq_j38jd0u0jJ32aYnh9eaqn2UVpzzZS7KdEVvQ"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f37025b84a3b0b';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\/9013684257?__cf_chl_rt_tk=vWRQpTUaL.Gepv7lwiYbVIhDIATk7Z0FBnNRZ6UT4Z4-1739099689-1.0.1.1-fc70VZWtSH38C2jA5MZ5KCFTzlkzkcvlE2.JPNI.b98" + 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