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-827652742096.mit-edu.top/post/1586970243

  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-827652742096.mit-edu.top",cType: 'managed',cRay: '90fcec8cfad30aaf',cH: 'RnXsUCwR9OZLX1yWlmaUR2TUrG6hhnNTiGqKPy.KEUA-1739199157-1.2.1.1-I24ai8J8Hc5UB4xfGkhLrLwMfJIG9SOJmvE2b_oWzrp542iIPgqWNfF99sKyF7lB',cUPMDTk: "\/post\/1586970243?__cf_chl_tk=xDtF7yfJ_h7FH1u7gh9FMDaAm9opkglAT2UiLHWOtIQ-1739199157-1.0.1.1-PWQj1B78S.n9elxb.wXDBbuazBBxnmLGhOlossR9xG0",cFPWv: 'g',cITimeS: '1739199157',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/1586970243?__cf_chl_f_tk=xDtF7yfJ_h7FH1u7gh9FMDaAm9opkglAT2UiLHWOtIQ-1739199157-1.0.1.1-PWQj1B78S.n9elxb.wXDBbuazBBxnmLGhOlossR9xG0",md: "MSPB..KezcVJMuXVAzOMVH6SrXcYNQkIruOblOVsYzk-1739199157-1.2.1.1-Hut8TI4c.tSsHkgULI9AjLWZMkbnnRbTGJLl9cXewUkAZfg.KApxUy5TnPKjNdrppD9gzb.FAEwhtFAXYaJvOWsVFTh9soyTVeJY4AvdEcsyJah3IY40eaQ1pstK77vHPiwppxo0i2mR.GlS9SmpbAVkrAElSq1wm0UdK51JwcYVrVsJQ.dhWbsbawwYaX1tuxA.q5gkaBiOfetBHJYSq2wbxMZhqRa4Xq5s9Q0T6xRkEiehSOcpfPhTV8irD5kpD6n49IT1uQCoe1dF3o1iSu4ccoAY0TyQU1avaJiwg4GvzVdBpAMa2YbxGb4LWtvdRi4sr1e4mfmBk9xJo699LFC65P9bz3PVAyueHU47EiF8p1.ttjdpY6i5ODtiqkVarlcoS2G0M0jOSC7OUWzpJJ3lZ0zR0pWMOVF_TRQxk0qRGthRSWgtP_ZTpyBOdnFA6lzWQx3W6h5wA9sWXZ1V8UO1qXF2Hsh1msbGmO0xAwDkb8tHNVIDcI5s18skyzUIAxMCy.2tSs_HX4vNdbOnXSW_uJ49EXv65.qfhQp9001fmelgtLmQ99UQDIymarH38pSg.3zIO4tTIjWOueiUjxhIF4MqMtT_87SmnqMM6greIAnhGHoQiOjtGVeXGQ5WyY92GoxJA_pfDX89WoQXrbMUfHcW0BIgnkkkyQKztu0dypyvMAl6qaD1vpvoOGw6ggzQNcn9_R8fwZC1P.bxypI3RSaOM1sPgXHrVk1iKki78LHonxYfsMbai2NO4GFzPgpZyQ5mVkm.1mub8g1cMRXlzZ9DQf2BUU5BzVhmLxehkd2cr32e3hX1RXgh0WwbZs0k3lsy4NsNIrdR_YK0eFIVj8i6.knYzxKgIF.h6dqpYptPgZvLO81q.TsYeMQkBeLwCVRVPQsc_VdVjUdGHnwP27s7n0JuV0aMeLowsFroJX2zMndimlJCFTQ2U5RAiJM5.tl37kg3N5dJOchmwc2_OL8n2sFrqcnBOOVI4tdCJa4LZDTL5x3qDU1brGA62H7Ln6setRTNTm_UFc_0qBvtgzZnrRL698x0SlTCBXe8O6kX6qVh.Jhb90JmgXxxaAMFtu9SUaPa9yaB6kQqwoQ7mssv2XpcGX_sbiGLAvDf9Z94XUEZXybarHyWgWnnAUGg3rTeTSSeZ8KbEwsDi7qL3hhhAxNkuBrnWJZIph2tNQ2N9uKWUQwgqhKCS5BjTV3fmCrZjNh9vPaYVwgQB10SIek821UpJzQSDmU93IR10LUwtru8NmW9cQM1PlE2cO.lipP8uYYvm.ylJl97HeTXC0484T5t3TY8Lvqq8pNhY8TKB5hNNcf9Ix2wIGbaJhxmWYZaDOd_aVMsMQkGIfaV3c5Cm1fiZkfqnEcYK44E2bkAPZSpaADxJknGUR5Z0uUlaw73w6y0hWJEwAqeuW4Vfref14BoFXwj5kna4gupsYXHZm5.5gKhWaaV_Mz2JsQe02eUnUKkXq0GK9DJrlBpNN99b8QZ.E951v_keoPXFH4TL58_KRZkSMmtlfWNLTfLNvjsq7XFjDO_dZ4rlc1hFKtKXhZm7l8SCrIJNWp.V2pDRFdRFtPcbyC.gVCWR7NJYhRmEy3AqmXgXtM5umMmgzf8jrdrr7ErrEaY9akWTUwEiDqpubpne1qjh6Tm4cJ0G3d2YUNct9EJIAmeYmbwpGQC6PmKIw7ktzRPKKPSPFPNwnt7zFk6ePJwDWRbcg4vIydVq4l1wTbRPSTnmxrk8nGh0h9uF9vFwzMMuyiBFyNtmhyy_HyqCBG689iNGBcpoaC5rSGK_y2QqDqwnx1n.U28JzX5VPmzLBdLvBEhQplOYFK0e83ERmdnJ3VT1gVIltxxiyyG4VrbOBVNVpN3bJi0BVEg0YrZgDVilIutnN5_HmrW6xdwswFq_ergjyIGcrLOFTvlDsa4fHU1nkckXsmkrmMhf1w7LLjoLrNiUGIAPLqwPMtbbhZqiOTjp2fctZxVKZw27lCRLVGCU_G75zllcO27teLrCK0QSdKGPvY523RkA_NXdgnoW3I3t.8Dd2r_Rf89B7nNBGLNRjaQaqM62KxnpQ2pytCksY.WArjfqcf_O2GUVTkxX2EePKaEl9BrUOZz2xjRsDIjsLbhT_jBE1KY3UVtOXJCEYAKEquQAPzk28F_0dRfNloX0FhXGc.a8mqpmgj2zwGyhpcUQy9DPuZAKVNzYMlgWVhCjZTn_fWqM1unARVcfT70",mdrd: "vXd3Qb_g2C1OAKissoWOv_XEPgRs9u83AuYNAP2wjSU-1739199157-1.2.1.1-QObitTkL5oPE8Hw6MiLMzsbcbPr3AP4hCaXXgvxHOpGQF.XTu27md7Zp4pbqMBNJs4eG2wZyADmyZtzLnjvOxRe7BkdcGzT5uSJAHal7aCxn7gg8Gqly8gV2.hh4enUh3ybcNyeovWFRU5FY7OEjkjqZLHks__BphySB66uKkyoIQUiGMsCXXNmlrMoedsussFVTXF3FfJ.H3vyqkklx15rTCQB_zMykiGM.WeL0Nos1Nz3KzzO4a1fKR6iWhNbScPPJ85DIi5X4I54IfZUG77yRnGzbKvHEQ0AW4I356hAjqLF8FWBOXQSdb0FAP0wMHx8U59onvUglU1YFhJGtgAyyjYEAzMJqjah2MRLN6iGtl5FODN07FVQrIBMP_fdXpBR6GvEty2BaAgTO8DgmluLiY6Ptn4dYO_xRW8mqDhDnVVo_C9dUhXfk6Yap.hVSLPDLrnGoOZdZ1YVa60PNrhLitKyvBVex7DhiwWVKmw_2eLUgx3szv.Y_Wo45mXvZmroHqV_rgVdflg4hT2izfZi6SuofSZFilybOwfHfoJjcCwF7At.5v_9TVzqnLqGN1RBLgMDC5QBIQW9kUsnpckaXbJsHhCMgaqcgZn0oDzi7PMboUvTLOykFpucGVOd46z7E9M.SBUuvt0xFT.9ouoXz.aXCvGrZO_O_K9JGauZvBSQzII0WhIwerY_c_.Bf4p75XUC5i6hbTueq6O_dhJcqWpEk0W74HNcoc9DS0BNZUWIyLTMqdHna92ABwNdWQvVE_STnTLy6fxvDu7rcUoKOhfPf.ccdTUmngrMdeaqYa3oyAhDRomzTT1_gomPBfRrN0Bt4nygI_0wU4y0K.90AGlrjCDa8_4lREeAxmWLsM8FXG4kRwPSYnUCrRhuvTqfwVSVdAPbMTX9i1zt2ua__VAzAwCHbRMqQ_gkw1nkRY9x8PbW3r0HEilSQfcNGPaVkNvoEgN_F4VZWE06m3XV1vw2XSKfb3jygOoF3eBSlf1WwbhEUMufjs8BXUeST.HFk8SPIoYEew0bf.YyFV6ETwDrCkzoVogYayJPcxWYryDmt.D9n87uPskf8HAxuYD76ADXkVsLC3U8kZg6O7spo.6yrWV2efyDqzOumGYJIbj1t9gUVr5d0wmOckrNtTZkx_ZMpqjvz3Zl1X8dLsmlNAOQdf85Dox6RwPpGoSKZsVYb9qCDrt3Lm2elrhmDDX2Pt8FQZOXI1uwWdpnHg9A33y9AK.ilek7lV0C_2VN5nEMAv8SmTcksVN8975vhKjYpnrrbhidta19jrt9j4tHn.Pq6xEORY8j0L_FuIKi8utyuRSYnaruBfEaiPXC8edh2aE3wVbnN7ex23Mhe4qdxRgbsX0h4kDQhV96zopyVSJPnbriPe8IAiKb2E5HFasLQSZJscCzgwBBe0UKEkQEPoSfFYnz3.s9UVPFqJ196oWTafwbHWyqV817Pos9rKp8tWbzLqi7QiHDuCq2ZFGPTsrSv_z3r35CufM78nkd_S.fdj1YOqIY9clxotDSIp.bUsSCR7MWrRFFFeWysZvTJmzuNX73U.i2oiYFzrIiWXT7NF31L4tLNJpf7QKEFFT12cxl8.RwEpsDLLZOLs1SdpZLJBYYp0l5K0OuNM_PTS6KkdtHFJ0KeDhtxFk60ysXRjtLl0Hz4TgJ.UM8jzdEnvlEnugYKDSbjnpVhyI5AbwQCCfJB6c1PZv47kdstmf9yM6RZrCD1ZkGmAazf2GoOZcyvxSlaaHF64zCTwb.bKdufLt24YP3fdrhJXY3hoEvtTOSDcwJhFAoilDsuVuwsLDZhrUOGgDsyXt.Arwc"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90fcec8cfad30aaf';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\/1586970243?__cf_chl_rt_tk=xDtF7yfJ_h7FH1u7gh9FMDaAm9opkglAT2UiLHWOtIQ-1739199157-1.0.1.1-PWQj1B78S.n9elxb.wXDBbuazBBxnmLGhOlossR9xG0" + 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