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-afftu24ag.mit-edu.top/post/7658123094

  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-afftu24ag.mit-edu.top",cType: 'managed',cRay: '9110487bbc56d66b',cH: 'rJNRc02S1TN.J7MKO7bIuBB8asmBkfHd4xjW6Qxu74o-1739402152-1.2.1.1-XxyPw9uJm_QpuGMtO7fXs11zpKzPRAfitKQeJkF3tZWqSeIMxsaRBMqPl7bIhono',cUPMDTk: "\/post\/7658123094?__cf_chl_tk=ZR5M4ev.T_d6c.0avga1Z6bK3cgacrBSUpMVqK8yzZ4-1739402152-1.0.1.1-Tr30cLaJx7zwGUhPZnh0HjfmDeuxFn7Z59jtAiegp14",cFPWv: 'b',cITimeS: '1739402152',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/7658123094?__cf_chl_f_tk=ZR5M4ev.T_d6c.0avga1Z6bK3cgacrBSUpMVqK8yzZ4-1739402152-1.0.1.1-Tr30cLaJx7zwGUhPZnh0HjfmDeuxFn7Z59jtAiegp14",md: "li1TRV9a2rW9chyQ7Ywp_Fc4TlcZDMPz0yriNoVTf2U-1739402152-1.2.1.1-dYZT_84x8KEjrbsk6tO2.hejwnGqAnqCn5jPPQRA2ehMJo_SMXxZ2f7IoLfHkc.kjDXrJyq.Y6g_RqxS1_S7wEOE4JoJbPHm9awA2.bs5QOa9UTRQSkIMnjdq2Su4YECPJV4b0FsQsZReyD3GLQJbAMwH7pnuRt5lqxHv5Sr1ChlnV_puoL2aRHljGCB42rZVI84xQ71i5aR1Mc4RodFADOCtgMq_hctFddXq3k2L3Ra1fPCcsyPsvhdL5Dfrjpg69u4HgA.0255HosTln4ylrIl3sYNVh9W8wvUuqhbaohaVhNv8JIRB2arO5uESeuyYwOzgcPrcg5re7iszXwqRaDBYz8_QbIsVymqQlcFO7wYKqCuAgNOcoVnpHxCA2Y3wELZulb2Zl3.7mfDs4FJzHB9MRxoFsROZDGzwItBb6eOCl9vjoSeDtCFXig924BFcbsAmFYnPXBY9xYZs3TbuF2CqQppYSuQ4ucvmVH5ZUL7hAvXnF8gvvA6nmbsUdY4Q8nSFuYSaZTbq4UmJ50ZxlC2ufC72ohPHJrFEsvPPxfiVLeCZnngQ1ZgRcQpSDgQ2kJX31tM3a8Wo4y8tUkhB4BfTth.ULY8LtwOzNJy9Mjz2JC92qtKgmimfnQPcu113FbA8qRU3MAVbCUS.pzODpt5juM6vxKq7b1tB7rbKT1G6ZXcR62BlxwNwflUy3LeDrJIYqnPPFXRErEIV7QX7nIEgg0445pGbsr25z0guibcIiMfADQk99RGSAifB2Ciq0bQbqmcnsSsyEE7R84DKTE08buiKMKrXA24GRuUbMM4Aioe_vvc2TcK2D6W4gclnp1RBGxdqBJSPzLZ5H1y9rOn5dzY_xZ4p6KRHOMTIrcIEORLhZMeQLAwMb2D3glb.XFRy54xQOv7dfyfWlhlGdm1NoAF9SEFUyLu63boWH7xA7wBusndYt.aCTtHNNIEO.HyWWTW.zfxNMWN5tintHavDVP9.haRTkbcRUGuGYK9JvQwQoKrOWXYDhv.FFFTPpPNfMbCik7.iOgj3MMR.Sz80pefk31hNF32xS6RcGTtWNNHtO_IVfdW_1WcZvFMvDn8hw0WyPEUGiDp64y3KiorfH1cgzff5kFUpajBkIHa6.mAw77rs_sfoABukvodV2via4TznyndNk7FaIfHxlB4Q6f._pm13lfCJS9YbJnEJs4TcVtu0UabJsVSnJ429DVQCauM1ChylFaygsr6dzo7FudpLM58sfC0pp42emgm8r_CteC6S2MjpxzrHptxgT1DxpRK.MnP8FWUyveY3VsVP9YP2FbVcGi_vqRn18xcCc16FX.Vm7amXuEErgJ2who1DZu4tXQIQ0DY0qPrtAVLnaz6nRoY_OBIyqPgOreO9OltrlqRnEFAsV6yPGCaf22RDuY2Cx2qtnkspx3b4JxRHQGxfQX4E7FwADLJQMwBd.wU.A_vrH2c9kct_UMrR.0U8pKmeY0GoAmsH3lbxARA6LiVCk4dK93y.giBccbKbCc6oN_avJkI9PjNdtwiFqF_0zfaglpC8G1N5xItF4oJqVBtO9gL4jYokpWjnB..QOJVmiW64pnDlMMBd2UO0WCTqaBObVmPj6WU082PYvr6y9dO7IZdWH13p7eubz0sUu13i3Z9I.6GwekeYc.40TchgdylswrKvFOLJm1XtWuSDZ8vwo20jLUrc2QDKy0xmpsVXdNBhy55GhbNMB3a8UDAW3SfaIm0qTckRuGbW8aomekeaO2cjNaMn1829.4JhofrnSdJxhpbjv9p1NT7BntFzH4AJ.zzb_VOODOvIerwrMX4iroGxKQ2XncDPcLtc0KZdObGAuLSVwdRJr4XxQ62xJCAYxryWopmJ5SasZ9VMxym9aFJV70Lu9VZ9ncfW7dXm6O3yPgxFhgaW2uWsiohcbqU4IUIciNuEx3Vf0xRQ4ey5IDGOkZrAi3ZV2EL7FrroM5t0HaYllQ8JVgjGT.WHWhMOI4Jp.5zWm3wEeUgPrADy7rMZdcSsUEecpcWtTCo3UKppLKNxATw9kwxj5FwEBWwjFVkjprXZesKKZZ5wfl5rd1SqTVD8i7svUYxHxORTWTxkDrkMKybND6n43FdqKcLrYrXlCFce5n_cxbNvSmD3jV7fIk9CMDuwhqcFNX9ZMubS0Mfy8OS4bPGWP9rnfxlWvHpy00zEXMVrQbuC2KzSkRDsychZT_96Xi_cMtZDPdYY3RiU0I_Yub6",mdrd: "ivfSsmYTyorNwVoBgzrqYjJFSfanRkeirYUsL1Zpio0-1739402152-1.2.1.1-vYjaW0e71zvNy1TeAc3UckGuC8CHCUCBazdwkBMuBPMT_fopTTzwIc1FgvQSQCYgNcoJsM5PCd65q7UxijK754WVCTKH8kaKoPQC2olE4533fzLgV32lXo5PZVIunCSXcfhl31exb5QAIQ3mYL5xDa06bNejDhIeNCBLYUUCe_7xVMLam1R7E1XYHgjHqoYSzi5VM4y9.1uhy65JjCN5zM8lgf.fsJ6QxO1PGlzO.BQeXxF6CEEu9algoNnVBXBiSYD2laShdUgJ07cRzrh6OOYzSsgjMSzPthsajqgTbKlA_WzoXEJUYOpaHB485512jDOd3HspXQ_Z_HjobQ9XZbjN0fe6dU7noqvLAcmZd7BaYCcwzGBNwAsCt82InkM24j0avpe_815RIkxCmbso4vm0JstHAK7fvFl4MAKEOb67gOS5r2QV6UoKQFCmTPS4TIpettNNQvg5mvuDgDczkGEdEIbjS0Cwuj0sXvUW.DzBnHNMz2gNsZF3CAmatLsVBU1r3njdZoxEIf1WbllJMYbXOrTE2FKfzDW8MBaxK62tyuKVwFtiI7eRDnvgdmlHEAncoNxFhon3DGNekVE34TqF5Jzm1WMvJhkKCwpg_NdwKFKY9SM6P9NqtK6WomKHWZ5DDGbyYGm9n0wPNIvvr_GyEJ.uG4veYNaWMNf_OyBp2QmF4zOdEJLhUE3M60OnUMcwbtIFW7zjUNChZvM9CezQ0ICA1pLd7JmgNJRa4av5di2W2eHH82KgkLwSf9V2KlrL78XRCCFKDMk7fK5m5PxA2JGEPzFgp.ucFHq5ZGLpSyNadrgA_EytMiD5cVKjofeRcuo46_cGDCkcGvBrN17rrN7BjlLW__3acA_ZgFawBZ4ZlTELF6lUdMZ3qq493._7IDypYXJrBkpvx.Wniwd8z_8pil1uRQi2jakqF2AEIVnRlOYY6oYCTQOygOL2b7pdVzjQMHZXoIDfaktsMNnj94ut4_b.q1wiGjjCPmZnuYgsH8NGbMh2_298tZm3ekwnDkaeLRrFWsvHGBDl3MgLXQuzL8bt.HmA__vA1PsWnNkwQ5sReZkPfZRMCQsaFjM4PDa6l6NPSRTmSE0cC6xRhuM5KLDrhxzZvwWPrW3IscLXpBCSHUOqB4DH3iahTwBHw473z49MRfKdbiHrmhdpoQnmCOpBe98MpYrnj6uBhhRE0OSKFzjA6uPGjJiI8CdeG_nCkM45ZvTL9XHYwNWrrbptRnQB5LihgMfwKQrjxQ8q.14CcdJzxDcd8LSmpkz8dOH5S82X3m3AeytaYVrK3whc9g7GrJIgJR81U.50N83dBzKN1y61ZUF7_hKERfzPoP_Ha7gtAY6jmCcaE7E.0Q_fDZ_VU6pdwZZ97anIUYf14F69dfX8ZY.Osz5CG4GwmrDPKCeuRo3cvvPlwTr5GS0S81jg_c8sRtChFOhohu7sqp2JwVLvYpux1lcqgD5xKz9UwPSbrlUYgGDFJfUHj1Oy_K3UnEkh2Z2dO3hAx4MIRhW8Ul0s8hRH2tpI7T0ijB5iLGgHwkqq2HGyeOJsSR.eFo7URE_JvMsNG9ZDm2WBa_PUTes9Lf2Sy0OwM52W.cT2k0o0qN8Ybr74MsUwAg3qKcurESQwY8ieHXfli82JK4i8xPDcra6qHkWI1tXglpgm_WjqW8_xSd3Ajwx6O5syx8UKXXR2zH8I5JuJ5.xm8.AI4O5agZatnq9kSpYxIXZiE7yRiAW_1w0Cx9CrbXZ_2894fAg0keE2RQpcWnil8iOroOLYvh_hKkWfVtcc1zwY740PUV2CtAMwxA"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=9110487bbc56d66b';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\/7658123094?__cf_chl_rt_tk=ZR5M4ev.T_d6c.0avga1Z6bK3cgacrBSUpMVqK8yzZ4-1739402152-1.0.1.1-Tr30cLaJx7zwGUhPZnh0HjfmDeuxFn7Z59jtAiegp14" + 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