Gzip Compressor Test

The browser sends a header telling to the server it accepts compressed content (gzip and deflate are two compression schemes): Accept-Encoding: gzip, deflate The server sends a response to the browser if the content is actually compressed: Content-Encoding: gzip. ADVANCED OPTIONS GZip standard is meant only to provide single file compression, other features including archival are out of its scope. This simple online text compression tool is compressing a plain text and decompressing compressed base64 string with gzip, bzip2 and deflate algorithms. Response GZIP Compression with GlassFish in Production I am trying to run this with a simple test-page. Gzip Test for Web Page Compression. To see if gzip compression is working use our gzip compression tool. In a previous article, Enabling Gzip and Deflate HTTP Compression in ASP. Compression Test How much smaller can your site images be? Website image optimization quick test Paste your website/image URL below and see how it performs. HTTP Compression allows applications JAR files to be deployed as compressed JAR files. If the file doesn't exist, or the client does not support gzip, NGINX sends the uncompressed version of the file. Brotli is a type of compression developed by Jyrki Alakuijala and Zoltán Szabadka. The mgzip tools that can take advantage of multiple CPU cores during file compression, while pbzip2 uses multiple cores for both compression and decompression. It will work with any form of compression: mod_gzip, mod_deflate, or gzip compression through any server-side language, like PHP, ASP, ASP. The gzip command provides the kind of statistics you require when checking for compression performance. Hi all, Iam planning to turn on the HTTP/1. Gzip facilitate to compress your web pages video, image and textual and style sheets before serving the request them over to the browser. Gzip will only attempt to compress regular files. Gzip replaces patent-encumbered data compression algorithms. gzip command is a very useful tool in linux like zip command and bzip2 command used to compress files and directories. W3 Total Cache is one of the most used caching plugins on WordPress platform. There are a couple ways you can fix this warning. To compress and decompress SOAP messages on the client side, an Axis extension for gzip is used. Gzip compression can reduce file size up to 90%!. best linux gzip command (gzip compression) with examples Introduction In this article we are going to learn the How to use Linux gzip command (gzip compression) to compress files and directories. Brotli is therefore most effective. Usually comes as inbuilt package for all distributions but can be install easily. Newer versions of HBase have the ability cache block in compressed form, but I did not test this here. The gzip utility is used to compress various other data on the ftp site as well. You're working for a web server house that regularly needs to generate some fairly large data streams and compress them using gzip. PageSpeed Score with WordPress Gzip Compression = 58/100. When we create a release build the handler is not used anymore did you have similar Problems?. Brotli is a compression algorithm originally developed by Google, and offers compression superior to gzip. Gzip is a file format and a software application used for file compression and decompression. Choosing an extrem value (0 or 9) as the default is not a good idea because there are several concerns to take into account. It is fast and achieves better compression. gzip also refers to the associated compressed data format used by the utility. File formats for both ZLIB and GZIP, as specified in RFC1950 and 1952, are also supported. gzip (GNU zip) is a compression utility designed to be a replacement for compress. How to test deflate/gzip compression on a HTTPS (HTTP over SSL) Apache server To test a server for deflate/gzip compression, it needs to be notified that you, as a client (browser) accept compressed encoding. Close, though. It is light-weight and easy to use. This method uses the following basic procedure:. 02/28/2018; 4 minutes to read +1; In this article. The resulting etc. Enter your text: Tell Your Friends If you like and use these tools, please tell your friends using the social links at the top of the page. gzip 7,8,9 use an inordinate amount of resources for a minimal improvement in results. This website analyzes your site in an instant and checks if GZIP is enabled or not. Zopfli is bit-stream compatible with compression used in gzip, Zip, PNG, HTTP requests, and others. Brotli is a new compression algorithm optimized for the web, in particular small text documents. com Use Commas For Checking Gzip if Enabled on Website. Best Tool For Compressing Audio Files The most common audio format is MP3 and in theory, this has already been compressed so the tools may actually end up increasing the file size. To run the test, we used a recurring page speed check to contact the site every 30 minutes. It opens a file called "test. JMeter can use up to 10x more bandwidth when compression is disabled. 34 seconds longer than GZIP. If gzip is enabled, the server should return the Content-Encoding: gzip header. Actually answer on this question is not so easy and let me explain why. Table 1: Comparison of compression methods on SRR001665_1. One of the reasons for this test is to find the best compression, so where there was an option, I have chosen to use the most aggressive compression offered by each tool. How to Enable Gzip Compression In WordPress via. GZip Compression Test allows you to evaluate the compression results of your website in seconds hence providing your better insights for increasing the performance. 4 and removed the change in urllib: http_client_gzip. anyway the site main url is shop. htaccess file. That implies the first option is for static files. It is recommended to first check if the client environment supports compression before serving it with a compressed content. ) less in size. I'll check to see if you are using Gzip and Brotli, and guesstimate what compression levels you are using based on the Content-Length. How to test deflate/gzip compression on a HTTPS (HTTP over SSL) Apache server To test a server for deflate/gzip compression, it needs to be notified that you, as a client (browser) accept compressed encoding. This test showed that for reasonable production data, GZIP compresses data 30% more as compared to Snappy. HTTP compression uses public domain compression algorithms, like gzip and compress, to compress XHTML, JavaScript, CSS, and other text files at the server. To test if a website is performing Gzip compression, you can of course use curl. The JNIfTI toolbox is also capable of reading/writing gzip-compressed NIfTI and Analyze7. I have tried to make a empty HTML page and a CSS file in the root of the site (not sub-folder), and the headers return chunked - not GZip. fastq -- 10408224 DNA sequences of length 36. txt # Best compression using gzip Command [[email protected] data]# ls test. Zipped (compressed) files take up less storage space and can be transferred to other computers more quickly than uncompressed files. Gzip is the standard file compression for Unix and Linux systems. One of the easiest ways to improve download speed is using gzip. We do not recommend using compression unless you are on a VPS or dedicated server since enabling GZIP compression increases your server resource usage. Usually comes as inbuilt package for all distributions but can be install easily. The tool especially plays an important role in web development, which is based on the deflate algorithm and was originally developed as a successor to the Unix original rock compress for the GNU platform. gzip code is not present in two websites, but gzip is working great on these two websites. DEFLATE was intended as a replacement for LZW and other patent-encumbered data compression algorithms which, at the time, limited the usability of compress and other popular archivers. Brotli is still a relatively new compression algorithm developed by Google. But it's the 21st century. Both Brotli and Gzip compression levels were each set at “3”. Setting up file compression for your website will depend on which type of server you're using for your website. output_compression On php_value zlib. Hence, there are variations in its functions too. Using compression will reduce the size of JSON payloads larger than 100 Bytes. The resulting etc. It can also be set up to set different caching time periods for different types of files. By default, gzip keeps the original file name and timestamp in the compressed file. 2005-05-31 Lasse Collin. Prior to implementing GZip Compression the homepage was 99. How Using GZIP Compression Helps Your Site's SEO Advanced SEO How to Optimize Your Meta-titles, Descriptions and Keywords Beginner SEO The Importance of a Robots. I tried the test several times and finally decided to delete it and go to the next one. gz extension. This simple online text compression tool is compressing a plain text and decompressing compressed base64 string with gzip, bzip2 and deflate algorithms. From a few files I played around with, with different levels of compression (gzip's -0 and -9 options), we can uncompress all of them. I apologize for being super late to this party, but let's test this bold claim. Almost all web servers support gzip compression. z' ) ['test. com Enable Gzip Compression in WordPress using plugin. I'll check to see if you are using Gzip and Brotli, and guesstimate what compression levels you are using based on the Content-Length. With --verbose, the size totals and compression ratio for all files is also displayed, unless some sizes are unknown. 13 kernel source tree using Gzip compression. Brotli is a new, open source compression algorithm developed by two Google engineers and released in 2015. If you follow the instructions on the Yahoo!YSlow best practices, one of them is to compress your pages using gzip compression (“Gzip components”). Approximately 90% of today's Internet traffic travels through browsers that claim to support gzip. gz and file_a. create(); retval. Enabling gzip compression in Apache is fairly straightforward, and there are two methods to achieve this: Using mod_deflate; Using mod_gzip. gzip compression for hdfs sink gives Not an Avro data file agent. The complete guide on how to enable Gzip Compression on SiteGround. dump() uses the zlib compression method as it gives the best tradeoff between speed and disk space. Learn how to configure JMeter to support Request and Response Compression like GZip. The gzip data format uses the same algorithm as the DeflateStream class, but can be extended to use other compression formats. Deflate is the algorithm used by the zlib and gzip implementations. The bzip2 file compression program was developed by Julian Seward and launched on the 18th of July in 1996. 10 and i'm compressing a 652Mb text file (Oracle database dump file) using normal gzip compression and a word size of 32. 1 LOB data compression test. The compression has the biggest impact on JSON communication, mainly downloading of metadata (reduction from 1MB to 50KB). For example, if file names are limited to 14 characters, gzip. Melbourne FL 32901 [email protected] 1 with Microsoft IIS 7. Use cases. Fiddler is a Web Debugging Proxy which logs all HTTP(S) traffic between your computer and the Internet. There are many online tools which you can use to test the Gzip compression. This is a great utility. The detection of the input format is automatic. In total 29'417'414 Bytes. This plugin will give you information on whether Gzip is enabled in for your website. From a few files I played around with, with different levels of compression (gzip's -0 and -9 options), we can uncompress all of them. The gzip package is part of the "compress" package. In terms of the actual clone performance, the timings were close but there was a noticeable difference between these three options: ZFS Compression Performance Lz4 Gzip 7 Off Time. There's various ways to deal with this, for example just letting the webserver gzip on the fly. Compressed code is faster code. Servlet compression filter (gzip, deflate). Enabling Gzip compression can help you to achieve up to 50 - 75% less bandwidth than servers without Gzip. Gzip is the most popular and effective compression method currently available and generally reduces the response size by about 70%. The default for all of the prior examples is 9, the highest compression possible. Here is a test of the Google website: Port80 Test www. I looked at the performance and saw that mod_deflate: is installed. A score of less than 1 means that gzip is better while a score greater than 1 indicates Brotli fares better. output_compression_level 5 It’s the only way I’ve found after a lot of search, so I expect it will be useful. You can check several statistics such as HTTP compression, DNS Lookup time, Redirect Count, Total Time (s), Size, Speed, Timestamp etc. Is there capacity/bw issue on inmotion? gzip is enabled on all of. gzip compression is not working for html compression in some of the site and working on some of the sites. If your page is not compressed, you will see a message in red saying your site is NOT Compressed: If there's a big difference between the current page size and the possible compressed page size, then compression can improve your site speed. GZIP compression is used to reduce the traffic between the web servers and the browser. It uses hashes and file paths to determine what data it may have compressed. htaccess file. gzip gzip (GNU zip) is a compression utility designed to be a replacement for compress, uses deflate compression algorithms. Download IIS Compression. Names are not truncated on systems which do not have a limit on file name length. That being the case, you should restrict the gzip compression to files with a size greater than a single packet, 1400 bytes (1. The counterpart on the server side is a Servlet filter. As i mentioned above that Gzip Compression is one of the best way to optimise your website and also increase your page speed. From popular algorithms gzip and Brotli are supported. GNU Zip or gzip is a type of file format, developed to replace the compression programs used in earlier Unix systems. Gzip compression is a CPU-dependent process that has different compression levels. How to enable Gzip. To decompress the compressed file, we can use -d option with both commands or can use gunzip command and bunzip command if file is compressed with gzip and bzip2 respectively. Enabling gzip compression allows you to save at least 50 % bandwidth, but how do you confirm this? Once you configure the compression, you can test and see if it is working through a number of free online tools. We developed this program as a replacement for compress because of the Unisys and IBM patents covering the LZW algorithm used by compress. But it's the 21st century. ADVANCED OPTIONS GZip standard is meant only to provide single file compression, other features including archival are out of its scope. There are several plugins to the job at hand. 3% json The only issue that I have with the currently implemented version is that it does not use configurable compression level. htaccess to add following lines,. gzip uses compression level 1 to 9, where 1 is least compressed and 9 uses best compression ratio. >: 2 Data Compression Data compression is the process of encoding data in such a way that the compressed data takes up a. 13 kernel source tree using Gzip compression. Fiddler is a Web Debugging Proxy which logs all HTTP(S) traffic between your computer and the Internet. Brotli is a new compression algorithm optimized for the web, in particular small text documents. Use GZIP for cold data, which is accessed infrequently. The algorithm used for the compress utility dates back from work done in the 1980s. If the values are large (and not precompressed, such as images), use a data block compressor. 6% tags gzip -l tags Which command would you use to archive the Documents directory and compress it with bzip2 compression. Today we are going to explore what are the main differences between Gzip vs Zip, the most used compression methods of all times for Linux, Windows and Mac operating systems. 0 and later by just passing in the appropriate algorithm to the CompressionPlugin:. On subsequent requests, if the server sees the “compression ok” cookie it can send compressed responses. Enter the address of a specific page or file to check. CSS Compressor. While CRIME was mitigated by disabling TLS/SPDY compression (and by modifying gzip to allow for explicit separation of compression contexts in SPDY), BREACH attacks HTTP responses. Try compression checker to verify whether GZIP is enabled on a specific web page. This option has evolved and now behaves as both an option and a modifier. After four runs, we reconfigured and restarted the. The GZIP compression will save up to 50 - 75% of the server bandwidth. Web Page Compression: Enable gzip Encoding and Caching By Pixel Insert / Pixert in CentOS , cPanel , WordPress November 10, 2011 Website load is one factor Google been considered to rank websites in their search engine. Instructions:. Also consider using the page speed tool which will test compression and many other factors. Hi! I was wondering if anyone has an idea to serve pre-compressed (gzip) HTML using proxy_cache / fastcgi_cache. With --quiet, the title and totals lines are not displayed. There were no settings to go through. One of the reasons for this test is to find the best compression, so where there was an option, I have chosen to use the most aggressive compression offered by each tool. Before ob_gzhandler() actually sends compressed data, it determines what type of content encoding the browser will accept ("gzip", "deflate" or none at all) and will return its output accordingly. Brotli is a type of compression developed by Jyrki Alakuijala and Zoltán Szabadka. Nginx has built-in http compression. Photo, language, and software nerd living in S. If the original name saved in the compressed file is not suitable for its file system, a new name is constructed from the original one to make it legal. After connecting to web server from inputed url, this tool will display whether gzip is enabled. Gzip Compression: This test measures the time needed to archive/compress two copies of the Linux 4. Hence, enabling text compression on a website helps improve pagespeed. From the man page: If no file names are specified, bzip2 compresses from standard input to standard output. Gzip is a software application used for file compression and decompression. It can also be set up to set different caching time periods for different types of files. Optional flags and a validation only after all. About Check GZIP compression. Fiddler is a Web Debugging Proxy which logs all HTTP(S) traffic between your computer and the Internet. Dobb's Journal. Open the configuration file for your Nginx server: sudo nano /etc/nginx/nginx. Thus, saving you server traffic and speeding up page loads. GZip compression and decompression License: Test Dependencies (2) Category/License Group. Parallel gzip compression with pigz The unfortunate thing about dealing with large volumes of sequencing data is that the analysis of this data can take a lot of time. AltraCores GZIP is standards-based and conforms to the popular "deflate" standard as specified in RFC1951. For me personally it is a mandatory step in either the website construction or the Search Engine Optimisation process. Benefit of Enabling Text Compression. Brotli is a type of compression developed by Jyrki Alakuijala and Zoltán Szabadka. Velocity: Forcing Gzip Compression. GZIP compression Checker is a free online SEO Tool to Check GZIP compression on your web server is enabled or not. js files, from a lurkers point of view by Kevin Kiley and Andrew Jarman, (Mod_gzip mailing list, 17 March 2001) Data compression resources Delta Encoding in HTTP Delta Encoding in HTTP, RFC 3229 by Jeffrey C. It is light-weight and easy to use. Test whether GZIP compression is implemented correctly At this point, you'll need to test whether your site now uses GZIP compression as you've instructed it to. This class represents the gzip data format, which uses an industry-standard algorithm for lossless file compression and decompression. But, when I open PageSpeed Insights for Chrome, it tells me to turn on the compression to reduce transfer by 185. Apart from that any text data, e. Multithreaded gzip via pigz default compression level 6 just edges out zstd default compression level 3 in terms of compression speed 143. In all cases, gzip came out on top again except for one and that was the humble bitmap. New here? Start with our free trials. Since we’re trying things out, we have one more avenue to explore: the gzip compression level. Brotli decompression is at least as fast as for gzip while significantly improving the compression ratio. Join a community of over 2. From a few files I played around with, with different levels of compression (gzip's -0 and -9 options), we can uncompress all of them. 89kb when compressed!. These are compressed using the common HTTP compression, which is much more common than TLS-level compression. The counterpart on the server side is a Servlet filter. This configuration will enable gzip compression on static and on dynamic content. This is our second post on compression and archiving series. If your car isn't running as well as it should, the test can indicate that one. Here is how to serve gzip compressed HTML files through Windows Server IIS: create smaller, compressed, static HTML files, that are downloaded faster. Compression is a simple, effective way to save bandwidth and speed up your site. You'll get smaller files than gzip-9 by instead using zopfli or libdeflate. GZIP compression means your web pages load faster for website users. Actually answer on this question is not so easy and let me explain why. The complete guide on how to enable Gzip Compression on SiteGround. It is the thing that occurred before pressure was presented. Gzip is short for GNU zip; as the program was created as a free software replacement for the compression program used in early Unix systems. The GZIP compression will save up to 50 - 75% of the server bandwidth. GZIP compression can shrink the network traffic needed to view your website by as much as 80%!. It checks for compression via mod_gzip, mod_deflate, or any server-side language that does content compression. This page describes how to activate gzip compression for a Bonita BPM Platform with Tomcat and with JBoss. A simple Gzip checker allows you to quickly test if Gzip is enabled on your website, verify that your site has Gzip\deflate compression enabled. How to Enable GZIP Compression; What is GZIP Compression? GZIP is a file format and a software application used for file compression and decompression. xml inside tomcat using the following code. pigz, which stands for parallel implementation of gzip, is a fully functional replacement for gzip that exploits multiple processors and multiple cores to the hilt when compressing data. When i test with gzip compress test tool online it states that gzip is active. txt # Best compression using gzip Command [[email protected] data]# ls test. GZ compressed files features low compression ratio. It reports times and compression ratios for 100s of compression algorithms over many databases. gz extension. Usually, 7-Zip compresses to 7z format 30-70% better than to zip format. These are used when decompressing the file with the -N option. Gzip Compression Test in Bulk Here you can check compression of any website in Bulk just paste here website URL with Comma separated! Example: https://seowebchecker. htaccess file. With "Check GZIP compression" testing process is much easier than it sounds!. config, it will return chunked instead of GZip. Gzip is faster than ZIP while compressing and decompressing. This article teaches you how to configure Gzip Compression on your Nginx server, so that your websites will load much faster. Try compression checker to verify whether GZIP is enabled on a specific web page. I have checked the GZIP Compression page on the website bowmanvillegolf. Both request and response messages are compressed. Gzip is a method to compress files before a server sends them to a client (visitor). Gzip Compression Test in Bulk Here you can check compression of any website in Bulk just paste here website URL with Comma separated! Example: https://seowebchecker. The following are code examples for showing how to use gzip. Website gzip compression makes it possible to reduce the file size of a web file (like HTML, PHP, CSS and Javascript files) to about 30% or less of its original size before these files get sent to the browser of a user. NET Core supports response compression. To put them to the test we will use an APS with a relative low upload link of. Online tool to test if Gzip compression is working on your webpages and report file size savings. If you run the above command without the -H 'Accept-Encoding: gzip,deflate' part, which implies that your HTTP client does not support reading compressed content, then Content-Encoding header will not be present in the response. Dynamic Content. ACT compression test Archive compression test by Jeff Gilchrist Compressing. Smaller files equal faster downloads. bz2 respectively. Parallel gzip compression with pigz The unfortunate thing about dealing with large volumes of sequencing data is that the analysis of this data can take a lot of time. After you have installed the code in your htaccess file, the next step is to conduct a GZIP compression test. The gzip data format uses the same algorithm as the DeflateStream class, but can be extended to use other compression formats. 7 so they no longer need to switch the compression level. From popular algorithms gzip and Brotli are supported. On subsequent requests, if the server sees the “compression ok” cookie it can send compressed responses. PHP-Test-if-GZ-Compressed. gz" extension as suffix. The following are code examples for showing how to use gzip. When we create a release build the handler is not used anymore did you have similar Problems?. Before you dive into using this free option, I recommend having a read over the reviews to decide if it’s for you. Who said WordPress is slow on Windows Server IIS? Gzip compress and serve WP-Super-Cache or Cache Enabler static HTML files, to supercharge your WordPress blog. How to Implement Gzip Compression. Research by Google also shows advantages. 0 and later by just passing in the appropriate algorithm to the CompressionPlugin:. Maintainer: [email protected] Check GZIP Compression is a tool that can let you check whether or not your web-server is sending GZIP compression headers to your clients, an all-important part of website management. gzip command is a very useful tool in linux like zip command and bzip2 command used to compress files and directories. 0 to compress your dynamic content such as your aspx pages and increase the client side experience by downloading the pages fast. Additional Resources. In order to activate this feature you have to insert the DEFLATE filter into the input filter chain using SetInputFilter or AddInputFilter Now if a request contains a Content-Encoding: gzip header, the body will be automatically decompressed. The savings are significant. com to check if your site has gzip compression enabled properly. gzip can be applied on a file only. " Whenever you hear this (or any similar phrase), perk up your ears. If your car isn't running as well as it should, the test can indicate that one. Compress Test Preview gzip, bzip, and deflate compressed sizes We predict the future not really. Port80 provides you with a lovely table indicating the byte savings and time savings you can expect for various Internet connection speeds. I'm honestly not sure why it wouldn't work, it's not something that's ever come up for me, so if that doesn't work let me know and I'll try and find out more. The disadvantage of enabling GZIP compression via PHP is that only web pages generated by PHP scripts will be compressed by GZIP encoding. Testing GZIP compression. Enter one web page address (Example: www. This article teaches you how to configure Gzip Compression on your Nginx server, so that your websites will load much faster. level 5-7 give better compression but take a little longer and 8-9 take nearly double the time to compress but give best results. gzip/brotli compression test faq How Does This Test Work? This test will check whether your website(and ultimately the server you are hosted on) has gzip enabled by connecting to your domain and requesting the necessary information. Many data files are compressed to save disc space and compressed requests over the network saves bandwith. GZIP compression is enabled server-side, and allows for further reduction in the size of your HTML, stylesheets, and JavaScript files. Gzip and Brotli Compression Level Estimator! Enter a URL and click the submit button. $ tar cvf test. Thus, saving you server traffic and speeding up page loads. Mogul et al. exe is compressed to gzi. Here I describe how to setup and test gzip compression in a Debian system with Apache using Apache module mod_deflate. Both these compression techniques can be used in any operating system but the ZIP is widely used in a Windows-based operating system, and GZIP is mostly used. There’s no reason to not use it these days. From a few files I played around with, with different levels of compression (gzip's -0 and -9 options), we can uncompress all of them. gzip compression for hdfs sink gives Not an Avro data file agent. HTTP Compression allows applications JAR files to be deployed as compressed JAR files. There is a nice free tool for Internet Explorer which can be used to see if your server's http responses are compressed: Fiddler. Close, though. At this point, Dynamic Compression should be setup, but you really need to be specific about what mimeTypes will be compressed. mod_deflate is specific to Apache. For both minute and second data, the compression rate of Bzip2 is the highest, followed by Gzip and GzipIO successively; the capacity of compressed record in Bzip2 is the smallest, which means that the compressed record occupies smaller storage space. Fix Google PageSpeed enable compression in PHP and htaccess. Best Tool For Compressing Audio Files The most common audio format is MP3 and in theory, this has already been compressed so the tools may actually end up increasing the file size. do gzip test. This program tests web pages for gzip or deflate compression. Brotli decompression is at least as fast as for gzip while significantly improving the compression ratio. Right click the web page and click Inspect menu item in the popup menu list. Your code doesn't reflect your question, as it doesn't have parallel compression. Integrity test The -t or --test flag can be used to check the integrity of a compressed file. Apache: Browser Caching and GZIP Compression. Gzip replaces patent-encumbered data compression algorithms. Also consider using the page speed tool which will test compression and many other factors. Which is the best, here are out test. For the best compression of a file, you can use gzip compression with argument -9. x servers that can not handle the mod_deflate (well, or something like that) …. There are a couple ways you can fix this warning. You will also be able to see how much each page was compressed by using GZIP. Lets compare just the best of the multi-threaded capable compression algoritms + brotli and see which is better than standard gzip/pigz level 9 in terms of compression times and compression ratios. xml inside tomcat using the following code. In order to compress a group of files to a single compress file use cat command as shown below => cat dump. To run the test, we used a recurring page speed check to contact the site every 30 minutes. Online tool to test if Gzip compression is working on your webpages and report file size savings.