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-835951800123.mit-edu.top/post/4526318907

  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,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHdpZHRoPSIzMiIgaGVpZ2h0PSIzMiIgZmlsbD0ibm9uZSI+PHBhdGggZmlsbD0iI0IyMEYwMyIgZD0iTTE2IDNhMTMgMTMgMCAxIDAgMTMgMTNBMTMuMDE1IDEzLjAxNSAwIDAgMCAxNiAzbTAgMjRhMTEgMTEgMCAxIDEgMTEtMTEgMTEuMDEgMTEuMDEgMCAwIDEtMTEgMTEiLz48cGF0aCBmaWxsPSIjQjIwRjAzIiBkPSJNMTcuMDM4IDE4LjYxNUgxNC44N0wxNC41NjMgOS41aDIuNzgzem0tMS4wODQgMS40MjdxLjY2IDAgMS4wNTcuMzg4LjQwNy4zODkuNDA3Ljk5NCAwIC41OTYtLjQwNy45ODQtLjM5Ny4zOS0xLjA1Ny4zODktLjY1IDAtMS4wNTYtLjM4OS0uMzk4LS4zODktLjM5OC0uOTg0IDAtLjU5Ny4zOTgtLjk4NS40MDYtLjM5NyAxLjA1Ni0uMzk3Ii8+PC9zdmc+);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-835951800123.mit-edu.top",cType: 'managed',cRay: '90f8144d2a9dc94f',cH: 'JT4hFCadZ1r9BcuNb6rzdKRhgVWyt6BHzj8lni0Om_M-1739148356-1.2.1.1-zA7uSJmZxrJQwSOhJlYHC6q3rhNlKLjiENYYjtE2LVSVfklqGC9b3dqF.k_zbndG',cUPMDTk: "\/post\/4526318907?__cf_chl_tk=XOr5_Zc0nuICNc6SBdwdqNn4NHKLZASWnij0dm5Qi7A-1739148356-1.0.1.1-bhujBLVdT1cp4y7UH44_z2VwB87Ul5MLli_b9D7.2Lg",cFPWv: 'g',cITimeS: '1739148356',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/4526318907?__cf_chl_f_tk=XOr5_Zc0nuICNc6SBdwdqNn4NHKLZASWnij0dm5Qi7A-1739148356-1.0.1.1-bhujBLVdT1cp4y7UH44_z2VwB87Ul5MLli_b9D7.2Lg",md: "WZOwb1O8nzO6.AWyg4EBEnOlrpFPB_VrkUfJAvHWVR0-1739148356-1.2.1.1-ybYnMFNIf3lsSK17wT427NWiOSYqaJOQ33e7d3UtL8VEn47Cl2iWJFHivNIWi_gqsaMSlNQZuTkHz7YzTxwi2OiBidr6lP8qGr_.nBToqj0FdcSQGqNY88bNea5B9KdF6fl7BM3a9I4xU6LTNcXgGCdPm_Ac8uFr7jMajf7jgWsGVWH7wT8113ZNGfOqOd5TI848JxZ.l_XT1BG5uwGQ9SLbTrwdp9oBW6cB9y4Ioe0b2qG8H9epSoOuploTjgRKP3pI6ETNnu_iDOhJuxrMtYaWym32CN70.71HCtAL.hTtLMywSjbazd2wusU18QOudLD9cdqSfq8gGfG.KhrPPF_F7fMB5Zvsz.fi1.EEEoR8Hz1XLwnJQ8_b6qUjCMiZE2HmU.Q3eh7fK_t_dgOYT3Q0.VMf.c7PXSczsQAWvp6xs2DfIUiRCIEUe973t4gXtkCAukCIe.ULoB0ioZSwiYMhCpLUzVCjLp3ofv4PM4GVeCDasmG3F3l8dH6CWsjKvHtrs7ONP3NmMFmzEfGMnjOqWUoHLLWhCUvXhUE0WN0hk1SJhrPQ46Eq2IFh86iaPSeHRxz_PzLeYg2PI9UJonaTY.ZWi33DqB_ZpB2GNvBrfzVW9hXnsDWiM.vSXbsCoyOWLd7XufuugRAIuochrG9dZwJhX6jA3.fuVObCOI0yfyiW.3lWAR5KOS5cT93VNG3cuIlEjyG4AACqq0_sZSucBffwyjxRssBHWtNwskQSnybLxSMbGAyyRELOIinb0Sf9MSc7hTaa9U0xPQvMn_dhso9w7D.43kF5gHKvs4zE.qXqKrLAcw6JTW6DLq6sG05bI_9CxDJ.rccWDCQuZmkIadlFswVIo7oqpZ1zIKUYcY4jyRQ__D61e90d4QBeGgekQjYC0MKEIVfYNfZ.LbWru_ajtWHRr8e.f9GPfLRn2NATJ.aV6p6wxWOdqmjZ0OZafrm50M6zX.2Xs2v4nrFfyaunhF9xW01GvENeJJch5.dWRVBd94_PUZcFJF.3.C5MsZa6n5OZb_26g.WL6BUprTcedQYc2wE86OX1u6Bu1Sx_zngV.PT_UMnJOm_CZZvbo4RTejN0FthxCCj0dIeSmjFzsnmtkZuk3D7117cgtVdkTqOLk1HSxehIuNEW3cwlzMFcC1hsOtJpaswcM8aIZH4xQOdOV1qw1hjTkus4VysjjeM8bj2AwcMbUf1i9v2TOyyWZImVr7KjrjWz.xFEp3.xSsDo8yaLaIYw50.dv86Z_rgWHh5HSqCPJhVpBCH881I8Ek0G4RYf6iSgxyNn5BuxbzCmhVnTRG.k9cr5lGk9Ac_Q_xCMDN47I8jpfLONbSX6SvaxsQEsnOnCYUVVIXv0XYXldF3Pcy.OBDnee_Elv.7VrvDZieHVUzCpI.V.96y69Mdsx6v.A83YddtzcJy2Hkd_BpY_RdmQh2agjSbIo3KsF6pQLrlUtKBYm5k4f9682oZedanljFv8nByPZ0Tuw65.4gp8bdj3JDVaKuRy7VKc8dX93dK3D0wmH_nTkdyaNdrnMI1Yu7nhDqD3sUQPr9LlkLVGcfHaDzsoeRvybRrqgKHMU9zR818quJzF9GuA_awIS1ewoL0oMERzjN8aAzYWAxhLrio7QThznJ94POKsdZMs.0rAxo5IIMrhH6vHLAwXKP1E8WUkvYIjwZuahLc5wvc0rLswEta3NKXLgX0E6HOSQXRQIND1hkT_xVWlCqI5jU0P9mCmUNBEe1B10ZH4QUBcze6diH7fVYkxa6Gm0GrJzp0bX7LRTNZcAbFGXHfis.Nkkyonogvwtbsyt3Sf_4Qvf2iAWWPSyONfwNfAaJYmfUU3kLGOlKQm0TK3oRyeANGK97c5j4NhSZX9eWB4GmoDZEG4WYQoC1X0ic_b.YtF4vEVYPDlxxivd2kcDAIwMIzhFWVUsFX4PYWuEXyir7trKIx2UNx_KwPWumkemusPnag52ifqgOpJers50DhV2MxRvUTGvTiYO1ZzxtmMr2lTxT54Niq9s_cBSg34B14VMKc2M5nZ5HSpkwHNawKeyK3Ajy3C5zo0K0p5c7VncT50AcCOLqeyqs7NXSTwH7iqu.R8njYOKz_DCdBWHzH.p9ke5bIDynsRixfEZcPUe0bGmzH0fuxqo6LyvwQpzwJDbFgJ0_szLbeerxTnEfyUgm2mYXzY6rBux8N_Vsxfy1jTtBJZB3CTlHN0yjdlzdBBlW6elHIs",mdrd: "EG1GI2AtvXXtlQIy0PzXHTVTrDooqNCfVGGcQhMtKos-1739148356-1.2.1.1-cgwCGbk_lZoxuarKaV0KtH37h_lQcfCQwP1EhVqHsjfaUUOZ1b8rlnYhejGhOW8sAKHLh7N6JY1SplOlaAHAg6K4B7K7KBE3J7EB6.knFaj_897t5v.QbE5ZlV1MKJbPxi8WOy4QUsw_xxb_NiirWAgB465P5HEGQq_PW5aLf_2flkNUlHppxkRThMikjIld3MjBcyqAKhTtQqp6Bs1R5fqeYP8.dKkPDATRcTEUTA5SIuDCC8dAYayWLVuIRbQQJP7FMAbhF.Hdi7tk8q5FjjqqWfKjs2PZMZnssnzFVPIbREUX1molWQilFS18C3FrN8xc7xOEIRTA9ojOcNP0lyCxKFFLzjbmV78lVCu40MAgzoO19vhD0SBGziMIcu5FJ7rkbH53M1jLZIFYCQsAO2sDBwaA9kJSj1qz6IIXLPO1T2XjFF3Pm3clUqwFEew.cJ14OdKNBr3N0U966vQ8Urlf1BUEInGgXTg0eL.2kYZ7Z8Gd0IwVKl7xQ4yakV9_4bueXeDH0TTBtQLkisGFFn4_N5lcltHnbRSTt7Dik.gOVHGPaWzpUuqqaNW3SCDSyQzXbtacOS8itxZHCvcUaJ5GpeWWNmq_h.JfgCHwXM6GBHVn3oObCfI4uSREDIeaW_6D_OkcwlWbN3moKqN5u9_NLd2WsC3.AQy.SJsYGHPKLKRUtU3EOrVoCQAoC48kJ8cJj6_8ZOeMZwCaCJZwZ3Jzq.N922BkoNm9nJnHyJcmrPpHqttGQ65yPUzoRLRg.l_FTnNmS2Jv3K3Y7ymlJUS_zq8hHPgOlKfl6MTL1AORgCFR9FfbiurhY0uku5FxRoyDqoHN0xx9ThcrF85WqNSKZx0KfUYV_41z4rmsSGRa_HrXEFkq1.GIh1urbdPqi1BZA09v5VQPGMBy0.DyuhXAUnA3WMrhwkknkH8K3wAggc0iTJHuEt42nYaV6IMP1u0QHyC3EwD3xozbiOU6KbXTM9uOvfU7.NfAqajBtJ4LiUjsv7jlcK4oULbrnt5i5mHyRO3FSqn90O80DOqcwYmpFAp_a.UK5Soyf4y92OrcX3VRLKPDovFY8Ts6cRT29GLdYqHx8bcAgajKpi8yopu1pYQD6SzvXV9_cp.pK6qKA5JO_ZzRdF_OhP4fOtsdkNDJzbZszTvUbbhyol2sKUu6QGE4mi3sfN_9fOOd8MOKuGVGXxVBjTOSj3IXRyJqwZoqWINBD2.uiBoKthPzSAdizaCi.TFyiC2YXBe1wc2PmHj4i30VbLH6MDGq4GvDEc65p.2hqPtCmJ7.ZloReewbE9ETXk2G4WhBCaOW5ppHhn8vBDbUkyKPO72E5W7Kf3jXkoSGmjEIOlhEjuSLiVD3CwnLqvZ9.SUQN5py0wVFDXGn7EQHoPwi.YgxhBh3GFvnZdZc3KCqIr8sPy4LLWDJoiuCY1BtEU8t5wCbxK2B0Nrw_1qJ40JVdcJx5eO76p4OWvRu83TJzpVn.qqQmQmj5G.G7Vff46bxs2W98neK.df3iBVPJKiIWaSUQ0GNyF82YY1gSRtpQasbloktYztsf7bCsKULk.5S4K3cL8w3k6lB.at1Drqd5V9b_Obkz6uZj3Z8.Ok0c4zPNdHQOo2hLtTV0vlSybdSa5d9M3S8s9kUGvV6seclUIkNIbh9q2f1ZavC3DLK9uT4H.prXgykccBlB3v_KvMQLI3.lx3jbu_zrn3ChR4d8g.fr0YzslnMdz1DckOJugfN2OLfI5PhhrZkWwNe63Mb2PvoXlnCquzz7TxQ7LMnXi9FxI1Vk4wcoxyasVyp1piynkkI3w"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f8144d2a9dc94f';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\/4526318907?__cf_chl_rt_tk=XOr5_Zc0nuICNc6SBdwdqNn4NHKLZASWnij0dm5Qi7A-1739148356-1.0.1.1-bhujBLVdT1cp4y7UH44_z2VwB87Ul5MLli_b9D7.2Lg" + 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