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-220613530896.mit-edu.top/post/4519032678

  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-220613530896.mit-edu.top",cType: 'managed',cRay: '9110bc2e487020b1',cH: 'fOcH0gLUQM5uVoGosXAp6pTZT.s1QK47rP2Tbxi_OOs-1739406891-1.2.1.1-sxkkrOToNalKaAdHW.GuJyOph9lcYZmJwhhnK4DEb8ZXvPcWudc4Ts0r2LQ5PCY5',cUPMDTk: "\/post\/4519032678?__cf_chl_tk=.HYhJmR4r2cd0aguH6TFKRbpfeHaQ60WaTQYP5O5q_w-1739406891-1.0.1.1-2QublSyySv1pBj0z74edq0fTIOomM9rr.4niT.1gtRM",cFPWv: 'b',cITimeS: '1739406891',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/4519032678?__cf_chl_f_tk=.HYhJmR4r2cd0aguH6TFKRbpfeHaQ60WaTQYP5O5q_w-1739406891-1.0.1.1-2QublSyySv1pBj0z74edq0fTIOomM9rr.4niT.1gtRM",md: "98z8nu4HvWqkuzlPXffMDFJKqu97QSuEHg9d_IEQr8M-1739406891-1.2.1.1-wfDOoM.vtQi6NfTBHCVJJXPcZ9PwqbJ1mVcs2iTUQZASKuOqD.eygj4fzgLQr1GmoAouTW8.dUUqYbjCU4rWZtW_xUfgmsXQpkpkfwmMSv8jAudjGXmVa8mfgYDgyl4E5f_8MW9d0vB22JUpC5VQNe_y27YTrfP5R4m3H7kTHhjWJbNfNROrJF.vqtQI9QJrAzT49oasfYY5tBA9ifhZUWAfL4i2xLLDk0uUZcW.3bl9zjqVlUPDF62EgqU_wLWtnCG.6DERe7iIxGOb93ZW6qDo60WTdpDuyJwdDpNGswR3_ecM.w6FdkjjJdlCGn92UgaTutbbY3sep4GAfXw2j07qRJ_Eu22Gyn1A5IwKvqk4_EvyEjK1Uy6fRHT7EWFaFdQkKjAC9dJ38efPmKPcoxMJpZCk_0pZfu4qbL_8clr7chfQeYjj8DhrzRnDD9qArk0AqOHIPV2_hMwzom0dFCDxc3LCKq6TvR5bjA9S1xqTd9sonKz1jdoCTtOyWfihYlOmVBIs4Ybxhse91erjG6OJq7F5Qb5HouI2_zlSPaW8A_BzggUc7sPbDTUghIEdl2M78ikIe.Kv.GHu5qw1yrPzX1rvN5g.tfdPeW53CyE4jlEKoIyBAfxoMAPJaYYoojOt.wdyKLG1CPXqkMU4yIlcPUMt2qvIVeRFrmA5PaTnzCMWgJ3VuI5C82xKhbH78au3wgJQWXQI3CtVJ1BkRKylQQTA4R7MksbT7ZhX7KuvpB8mjr7x46P5t2Zr57o3l6Demkqvr.d_UL1eyoKrt0Ys8m9mysrQZVqS4Mpk0_bCzqpFrhK9vgYQ25G0HzZbfYNyfPQWyEkCprmKHNsr0e7S9JAphMckSi69x6Z8zJSv6KubPmyyZE7MFnPjML6ZqlmTigIuuawvjrtfg28s5qHHSBTtj_dmepegHlp7ZWkIwPjA61XBfJdAdmJtdKyc4S1v2JsfbUcEqLCTxX899hctkf.SpYMMdIbvLF9SJysUKNNrM3GJCVotdcj9KASJalUKvGGuKX2dxfypughpFEDlwS3v4x.u_e8L.3CFU1slftacfzXlw_l2JIFQtT1DhU_yhx0GgCNTzp_qgcGOiqvFYNsLxVILJi8UqdY0hPG06SFN_fWrJ2JcQW4UYLGVYuNorxMZdiEEyHAbtrO70Ew6ssvyyPh78qjPWnudJmyFgP9CTHCpudiu04cFJDMEBwF.2CdAILn3NIC_DlfGRgHzC4WUjqjzkADRil5AWU9NN.ehN3h8oUTMK_Uc1VZCD63VdcEDW1uV9vegtjgt8KT1Q42JbiBAdJgUExwmGcUywTw3PQpG1HQkL_MO_J0fQPp6pHj3ZUNVLhGMXd3c08e0EC8IUziD.Wdhhl9mgecR6aTNXwqDwri2FJh9naG.yqcTpPxuVbA6w8kb6iCC90gnCYP3aTmEJQzouuq6hhKE23aNvn4ydopDHVruWSyAEO9jdi027LJeeIP.ZGAbXHhb9fB.FejkIWBhGP0g_xK3St1zvTmrOAqW0lWcQm3y_v18C64WK4_eLCC5Ljt3QFI6fEZLJkw63rP5uw5yRSt53Eg8R4st.Z8m6ByQ6AJ6OxSK1n2H0jflyLn2S.gqyUPUG9uynxEJm.wnXspH9KnkzMyZXSDr2EgxwEUW05.Mt82Nwfv.Ua4YF2KjiCMvJDzFxQvp3y0X_ug6fiT6JewEHskO9645K6liZ6eZEkaXVhOFwX4lc9UsLa5o9Kij78tQTRbEGJJeHSkqQAlYfgIsECuNknd5rvcbhLMQC3S1pggE47qqbttH7LIanmchMt03lJ8srrq21RT_ug2gqM.zzuAbt3j9Bn8zy_W1IMYa4ju7ioYqGWRsfoGfgZhVYGFSTihaZbI8i2XpR3iXuBdgtZ07nfFU0sel60K1c_XZRvXtvDsf1HWR6KYbl2fMMJOwHlMX_qedOeo5i1bN.R9pU5IRo6uMLzuTigmtuakzI.IqeAkalu7QgbDdmTCkjtsxD_2Qwaf03PfQF.0db.lMQns2ABTOQgd6z2q0CtGp.N.ZCN_B3z1o3N9ZvsTCB3YJ.SMmFrStWdGrth1Lv7VnIjvQYdwz3T_KBtimNz9ivEUPb3IzUvDKl89ux.1wWxuPQUCJP3Zt6ADNKsFp6JOt9rudtSRJizbZJ20JwN0tRyK_r9za07vnKr1VK_R0WBImUI.u0UTvf1aN9ZTfUNuNpWwO33LE.qD1cB7tKH4g",mdrd: "hkZ1hNnd4ZoDroPuypyxskN.Jsqhowl8uOCdGa0tpEc-1739406891-1.2.1.1-tYNYs8bR5Fbgwua.WqWL4quelYNrObROa9HFE__lXXYwobiqLn_3iDWNs.KG2DH9sq.PS5oc2Qza52nnLVWAjJcCPyfneaE3JXe2eShbjAiSnKEgM5szD24ikHociIbbIgBZz0D7bZvf2EczTXxkU0g50F2vKGiycKQtMa.u8Dp5u5AvXfwlgpY717Rn8bmQeS2q2ODUG_7oBc1sD2uLav6KvRo_R1mjtl7yuqNeYYvhDbWJieFYWT8quREIH9feqCnfvu9WjLMO6l7c3U64IPmCHywdp4JdJ2DDwZ1ddEMiHw7Mr0_CwPjz.66fNxJLkQtji7uEnfeyqOTkBsvMDDdcCjeO5.yNWNpUk044I8CFN6iQeseMCKHy0HrXhZOc13lF4fpO01v1rLng69deA7pSthURhtE6bD8CCL3nN.cK07da2o_GESTOxx.q8_Pg.nLr9uKHrRFSs6qO0TaDkRwt81BuUwlyl.xpyV9ayPjADHcHQ_SclLlWJ0b_dcLSe3YS7MAO._MOuJyM8YU26fLKq2wKMGUhwnHna7pfsa1wdWftwuGLYfelIrOY.Uwyer1D.Bb5nntKnKHkgfYnh21gbPupuOwc2JvdI8TAV_Pbyokz9ptBG4JXDHuxH7g2iEh.k4QgMzhDkg_myi7OYXKxTG.rsXYa7h1_318MgO_Y4hDzDdXNFS66ZGTxIj9oPf0uLu8BBmdGzsKc8ocmA0agQG7lzRDgKbwcsj_CzQXMsi9GWkwKBMhtYY50kQ37Q2w88Jxd7HM3mW5FN7Ng4.jRyLhTygH507aOEJTG6QlpBdL1.va62cnb_UfAwbydhStXrZRMD6mHhWe4fNQ8ZoJkGvdltsXNnxRKPKOWDsj42n.BELT45m2yMkMwoMn5ZuJ7A8nWKd4TsER.v4RSaioIGw7dKdodI4WHzpo9sYdGo3aKEzWx9f_vtk.q3zOE1LQib3BqyIuzbI4DcFNkzN.EoKjYIl7fAUC87_Wlw.dn0JlVz0pWhWzNs5p6rTR6ePylXaXob.emnm5MBZKZ.c5HSIado.zYLANmU..crikAF.yApKdpsqQOMppSbZlA.jDYDeEzENcJFw7nqFWIsCrdaHjhLAPaxSR3K8ccLp2GtkUAsQZzmLle.vKgdKPKl6i8iQUydrgJ_0k0hg8ykY0y8lY67r6ZP1j_0EBmq2pQ4uwxP8IRPALH_C5Wk9PcAcvm0HcAi25eBpmVKhVpNmu44Xr7Lkkaw7TBklgwRREZ_RAcIsa5OIL8P_2FjF9VdoHuN_me.vFXt.dtoDvKR34gfWphD9kt2cuY_D170xCXD2iFJ8JKWqmQXptjYIPsRmtNS1kbDXgkhPkOdeZq_r7kdTWoopLJ2XAxSdYzqfdEjXXdmQt7RxWb6qgzbvgorfuOtfkqsHdD_duhoyR1P21Hfr31AYRI9j9AijUEsLcQGtDcOtTGREfXe4goHXawxAnTPq6jU5q24ckD9NLr6IoWugt7CU8EOZEB5nQ4Q8d_7xfKiGyIWSk2t.3yE8yNSuDH.eJoVrsaRa0wC0DoT0xemgfT6MnOQwHi4u_.Qd0oCRQg2v_2AVmq.9Zb2icCoQuKiwRRWx4Sv4lvwukHcleydDJi.23UxfSY7vRSBQq3Tu9MFq9pDcMwR1b1AeT3vcy3FtkeFD6j1Qe6zkfRQtwLmIt0TBHeYbnTd.cdPp0zsP6HQGjF5Wl7bH88lqxSajEm8ste1Ug0mQoj5oa5086dWiIPjwS8zx.AkFcgLUHGljZIwicJy2SaUiognZ94dY8mQCc36Bat1kXcoGZqFKr2NgVg_2OmRod3tOFFanI"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=9110bc2e487020b1';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\/4519032678?__cf_chl_rt_tk=.HYhJmR4r2cd0aguH6TFKRbpfeHaQ60WaTQYP5O5q_w-1739406891-1.0.1.1-2QublSyySv1pBj0z74edq0fTIOomM9rr.4niT.1gtRM" + 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