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mod_pagespeed 2.1 is here — open source (Apache-2.0): the module you know, plus the optimizer worker

Remove quotes

HTML

Removes quotes around HTML attribute values where they are not required.

Filter remove_quotes · Filter docs

A module filter.

Both frames render identically — that's the goal. The win is in the bytes and requests below, not the look. They're served live by the mod_pagespeed module on demo-httpd-1.1.modpagespeed.com; the optimized frame applies only this filter. Right after a cache purge it may briefly match the original while the worker rewrites it — reload to see the result.

Measured impact

HTTP requests

2 1
−1

Total bytes

3.9 KB 179 B
−95%

HTML size

189 B 179 B
−5%

What changed in the source

The page's HTML, before and after this filter. Red lines are removed, green lines are added.

                
                  
… 2 unchanged lines …
<title>remove_quotes example</title>
</head>
<body>
- <img src="images/BikeCrashIcn.png" align='right' alt="" border="2" width='70' height='70'>
+ <img src=images/BikeCrashIcn.png align=right alt="" border=2 width=70 height=70>
</body>
</html>

Run this on your own site

This is one of 49 filters the mod_pagespeed module applies in place — self-hosted on Apache, nginx, and IIS. Install and run it: it optimizes right away and adds an the optimized response headers shown above. Open source under the Apache License 2.0 — free in development and in production.