pagespeed_admin links don't work and entire page throws invalid JSON error in browser

Matthew Austin

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Jun 9, 2017, 7:08:05 AM6/9/17

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Hi All,

My /pagespeed_admin page causes the following in browser console:

Uncaught Error: Invalid JSON string: <!DOCTYPE html>

<html><head><style>@charset "UTF-8";span,applet,object,iframe,h1,h2,h3,h4,h5,h6,p,a,abbr,acronym,address,big,cite,code,del,dfn,em,font,img,ins,kbd,q,s,samp,small,strike,strong,sub,sup,tt,var,dl,dt,dd,li,fieldset,form,label,legend,tbody,tfoot,thead,tr{margin:0;padding:0;border:0;outline:0;font-weight:inherit;font-style:inherit;font-size:100%;font-family:inherit;vertical-align:baseline}body{line-height:1;color:#000;background:#fff}input::-moz-focus-inner{border:0}a{color:#15c;cursor:pointer;text-decoration:none}a:visited{color:#61c}a:hover{text-decoration:underline}a:active{color:#d14836;text-decoration:underline}.pagespeed-show-number{color:green;overflow:hidden;padding:5px 0 0 10px}.pagespeed-underline-link{color:#00008b;text-decoration:underline}.pagespeed-hidden-offscreen{left:-9999px;position:absolute}.pagespeed-admin-body{font-family:sans-serif;font-size:12px}.pagespeed-admin-tabs{font-size:16px}.pagespeed-sub-tabs{font-size:15px}</style><title>PageSpeed Statistics</title><style>table,th,td{padding:2px}thead{font-family:sans-serif;font-size:18px;font-style:normal;font-weight:bold}.pagespeed-stats-name{text-align:left}.pagespeed-stats-value{text-align:right}.pagespeed-stats-number-of-changes{text-align:center}.pagespeed-stats-first-column{width:600px}.pagespeed-stats-third-column{width:200px}</style>

</head><body class='pagespeed-admin-body'><div class='pagespeed-admin-tabs'>

<b>Pagespeed Admin</b>   

<a href='statistics' style='color:darkblue;text-decoration:underline;'>Statistics</a>    <a href='config'>Configuration</a> <a href='spdy_config'>(SPDY)</a>    <a href='histograms'>Histograms</a>    <a href='cache'>Caches</a>    <a href='console'>Console</a>    <a href='message_history'>Message History</a>    <a href='graphs'>Graphs</a>    </div><hr/>

<pre id='stat'>timestamp_: 1497003376782

cache_time_us: 12549146

cache_hits: 530

cache_misses: 6744

cache_backend_hits: 6611

......

And so on. Basically, the entire html response

Additionally, none of the links work

Any help is very much appreciated

Thanks

Matt

Joshua Marantz

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Jun 9, 2017, 8:24:22 AM6/9/17

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Can you share the relevant sections of your pagespeed.conf file?

What version of mod_pagespeed are you running?

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Matthew Austin

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Jun 9, 2017, 8:49:33 AM6/9/17

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Hi there,

Thanks for the prompt reply but I think it has something to do with My Magento website setup as it is working fine on another domain on same server.

Thanks again

Matt

Rj

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Aug 6, 2018, 8:03:59 AM8/6/18

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Hello Guys

I have this issue on Magento website too....Please can you let me know how it will be resolve?

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