My web hosting provider is running IIS7 and I am having loads of trouble to get gzip compression to work properly. Host admins say compression is installed. I can confirm compression using some online checking services but not with others. PageSpeed Firefox add-on also says the site is uncompressed. I am personally sitting behind a Squid proxy but web.config settings should take care of proxy issue. Below is the relevant web.config snippet. Most of it is borrowed from various sites. Any thoughts?
<urlCompression doDynamicCompression="true" dynamicCompressionBeforeCache="true" doStaticCompression="true" />
<httpCompression cacheControlHeader="max-age=86400" noCompressionForHttp10="False" noCompressionForProxies="False" sendCacheHeaders="True" dynamicCompressionEnableCpuUsage="89" dynamicCompressionDisableCpuUsage="90" minFileSizeForComp="1" noCompressionForRange="False">
<scheme name="gzip" dll="%Windir%\system32\inetsrv\gzip.dll" />
<dynamicTypes>
<add mimeType="text/*" enabled="true" />
<add mimeType="message/*" enabled="true" />
<add mimeType="application/javascript" enabled="true" />
<add mimeType="*/*" enabled="false" />
</dynamicTypes>
<staticTypes>
<add mimeType="text/*" enabled="true" />
<add mimeType="message/*" enabled="true" />
<add mimeType="application/javascript" enabled="true" />
<add mimeType="*/*" enabled="false" />
</staticTypes>
</httpCompression>
This post is about 4 months old, but have you checked if dynamic compression is enabled in IIS? There's an article here on how to do it
http://blog.wassupy.com/2009/08/enabling-dynamic-http-compression-in.html
By default IIS it isn't enabled. Might be worth trying.
Try two this towards resolving this issue:
Try following the case standard for setting booleans in the web.config and use lower case rather than pascal casing.
Try connecting to the site on the server via IIS if your host allows this and check the compression section to see if it is locked.
Related
I have a web api service that accepts batch requests from a web app. I have defined the mime type 'multipart/*' to be compressed in the web.config but the response is not compressed. I'm not sure why it is not working as normal single requests (not sent as a multipart/mixed are compressed fine).
<httpCompression>
<dynamicTypes>
<clear />
<add enabled="true" mimeType="text/*" />
<add enabled="true" mimeType="application/javascript" />
<add enabled="true" mimeType="application/json" />
<add enabled="true" mimeType="multipart/*" />
<add enabled="false" mimeType="*/*" />
</dynamicTypes>
<staticTypes>
<clear />
<add enabled="true" mimeType="text/*" />
<add enabled="true" mimeType="application/javascript" />
<add enabled="true" mimeType="application/json" />
<add enabled="true" mimeType="multipart/*" />
<add enabled="false" mimeType="*/*" />
</staticTypes>
</httpCompression>
The actual response mime type starts with 'multipart/mixed' but varies depending on the boundary id appended to it.
Content-Type:multipart/mixed; boundary="0bb00cbc-234a-4264-87dc-60109719e79f"
The request is sending up an Accepted-Encoding header so I don't think the problem is there I think it is something to do with IIS match the mime type.
Any ideas would be awesome!
Thanks,
Jon
I also ran into this, and was able to get around this by using this NuGet package:
https://www.nuget.org/packages/Microsoft.AspNet.WebApi.MessageHandlers.Compression/
This also supports the compression of the batch responses.
Info on how to use it is on the github page:
https://github.com/azzlack/Microsoft.AspNet.WebApi.MessageHandlers.Compression
I am always getting RED mark "enable compression for fontawesome-webfont.svg"
on https://developers.google.com/speed/pagespeed/insights/
Compressing resources with gzip or deflate can reduce the number of bytes sent over the network.
Enable compression for the following resources to reduce their transfer size by 175KiB (70% reduction).
Compressing /fonts/fontawesome-webfont.svg?v=4.0.3 could save 175KiB (70% reduction).
I already did IIS provided compression options:
Static files only
Dynamic application responses only
Both static files and dynamic application responses
By default, IIS doesn't map the MIME type for SVGs. You will have to update your Web.config to include the correct mappings for SVGs like so:
<system.webServer>
<httpCompression directory="%SystemDrive%\inetpub\temp\IIS Temporary Compressed Files">
<scheme name="gzip" dll="%Windir%\system32\inetsrv\gzip.dll" />
<staticTypes>
<add mimeType="text/*" enabled="true" />
<add mimeType="message/*" enabled="true" />
<add mimeType="application/x-javascript" enabled="true" />
<add mimeType="application/atom+xml" enabled="true" />
<add mimeType="application/xaml+xml" enabled="true" />
<add mimeType="*/*" enabled="false" />
<!-- HERE -->
<add mimeType="image/svg+xml" enabled="true" />
<add mimeType="application/font-woff" enabled="true" />
<add mimeType="application/x-font-ttf" enabled="true" />
<add mimeType="application/octet-stream" enabled="true" />
<!-- HERE -->
</staticTypes>
</httpCompression>
<urlCompression doStaticCompression="true" doDynamicCompression="true"/>
</system.webServer>
For more details on this, check out this answer. To test whether compression is working or not, use the Chrome Developer Tools and check the HTTP response header contains the following:
Content-Encoding: gzip
I am using the chrome extension YSlow to test my site performance.
I've got F Grade on Compress components with gzip.
There are 15 plain text components that should be sent compressed:
http://localhost:21964/Content/custom/css/blog.css
http://localhost:21964/Content/custom/css/style.css
http://localhost:21964/Content/custom/css/socialize-bookmarks.css
http://localhost:21964/Content/custom/css/prettyPhoto.css
http://localhost:21964/Content/custom/css/flexslider.css
http://localhost:21964/Content/custom/css/colors/color-orange.css
http://localhost:21964/Content/sc2.css
http://localhost:21964/Content/custom/javascript/custom.js
http://localhost:21964/Content/custom/javascript/header.js
http://localhost:21964/Content/custom/javascript/twitter.js
http://localhost:21964/Content/custom/javascript/bra.photostream.js
http://localhost:21964/Content/custom/javascript/jquery.flexslider.js
http://localhost:21964/Content/custom/javascript/jquery.bpopup-0.7.0.min.js
http://localhost:21964/Content/custom/javascript/prettyPhoto.js
http://localhost:21964/css/colors/color-orange.css
Compression reduces response times by reducing the size of the HTTP response. Gzip is the most popular and effective compression method currently available and generally reduces the response size by about 70%. Approximately 90% of today's Internet traffic travels through browsers that claim to support gzip.
There was a similar post here, But even though I've followed these steps it doesn't compress the traffic.
Steps I've done:
I ticked all the compression settings in the IIS -> Compression.
Activate the Windows Feature "Dynamic Content Compression".
I've added this lines to the web.config:
<system.webServer>
...
<httpCompression directory="%SystemDrive%\inetpub\temp\IIS Temporary Compressed Files">
<scheme name="gzip" dll="%Windir%\system32\inetsrv\gzip.dll"/>
<dynamicTypes>
<add mimeType="text/*" enabled="true"/>
<add mimeType="message/*" enabled="true"/>
<add mimeType="application/javascript" enabled="true"/>
<add mimeType="*/*" enabled="true"/>
</dynamicTypes>
<staticTypes>
<add mimeType="text/*" enabled="true"/>
<add mimeType="message/*" enabled="true"/>
<add mimeType="application/javascript" enabled="true"/>
<add mimeType="*/*" enabled="true"/>
</staticTypes>
</httpCompression>
<urlCompression doStaticCompression="true" doDynamicCompression="true" />
...
</system.webServer>
I am currently using the Developer Server inside the project Properties -> Web -> Servers
The visual studio development server (Cassini) doesn't support gzip compression use IIS or IIS Express.
I want to compress responses coming from my IIS Express driven web application. We're using IIS Express as local development webserver and IIS on staging and on our build machines. I have found many guides on enabling gzipped responses on IIS but none for IIS Express. Is it even possible?
You can enable compression in IIS Express, just like for IIS.
Start command prompt and go to IIS Express installation folder (%PROGRAMFILES%\IIS Express)
Run following command
appcmd set config -section:urlCompression /doDynamicCompression:true
To add compression for JSON run the following two commands from the IIS Express installation directory:
appcmd set config /section:staticContent /+[fileExtension='.json',mimeType='application/json']
appcmd.exe set config -section:system.webServer/httpCompression /+"dynamicTypes.[mimeType='application/json',enabled='True']" /commit:apphost
Make sure to restart IIS Express.
For Visual Studio 2019 I found the above does not work, as the applicationhost.config file is unique to the project. This file is stored in .vs\<solution_name>\config\applicationhost.config. For VS 2017 it isnt in the solution subfolder.
Thus the solution for me was to replace <httpCompression/> with the following.
<httpCompression directory="%TEMP%\iisexpress\IIS Temporary Compressed Files">
<scheme name="gzip" dll="%IIS_BIN%\gzip.dll" />
<dynamicTypes>
<add mimeType="text/*" enabled="true" />
<add mimeType="message/*" enabled="true" />
<add mimeType="application/x-javascript" enabled="true" />
<add mimeType="application/javascript" enabled="true" />
<add mimeType="application/json" enabled="true" />
<add mimeType="*/*" enabled="false" />
</dynamicTypes>
<staticTypes>
<add mimeType="text/*" enabled="true" />
<add mimeType="message/*" enabled="true" />
<add mimeType="application/javascript" enabled="true" />
<add mimeType="application/atom+xml" enabled="true" />
<add mimeType="application/xaml+xml" enabled="true" />
<add mimeType="image/svg+xml" enabled="true" />
<add mimeType="*/*" enabled="false" />
</staticTypes>
</httpCompression>
I am having trouble getting dynamic content coming from a custom handler to be compressed by IIS 7.
Our handler spits out json data (Content-Type: application/json; charset=utf-8) and responds to url that looks like: domain.com/example.mal/OperationName?Param1=Val1&Param2=Val2
In IIS 6, all we had to do was put the edit the MetaBase.xml and in the IIsCompressionScheme element make sure that the HcScriptFileExtensions attribute had the custom extension 'mal' included in it.
Static and Dynamic compression is turned out at the server and website level.
I can confirm that normal .aspx pages are compressed correctly.
The only content I cannot have compressed is the content coming from the custom handler.
I have tried the following configs with no success:
<handlers>
<add name="MyJsonService" verb="GET,POST" path="*.mal" type="Library.Web.HttpHandlers.MyJsonServiceHandlerFactory, Library.Web" />
</handlers>
<httpCompression>
<dynamicTypes>
<add mimeType="application/json" enabled="true" />
</dynamicTypes>
</httpCompression>
_
<httpCompression>
<dynamicTypes>
<add mimeType="application/*" enabled="true" />
</dynamicTypes>
</httpCompression>
_
<staticContent>
<mimeMap fileExtension=".mal" mimeType="application/json" />
</staticContent>
<httpCompression>
<dynamicTypes>
<add mimeType="application/*" enabled="true" />
</dynamicTypes>
</httpCompression>
Thanks in advance for the help.
looks like it is a bug in the IIS compression.
I needed to add the following line to the applicationHost.config file (under httpCompression ) instead of the web.config
<dynamicTypes>
<add mimeType="application/json; charset=utf-8" enabled="true" />
</dynamicTypes>
found some extra help from here: http://forums.iis.net/p/1162828/1925766.aspx