Google Page Speed Optimizer
CSS merge and minification breaks the frontend. How to resolve?
When you enable CSS optimization, it is possible for the website layout (both front- and backend) to break. In order to resolve the issue, it's usually enough to redeploy the static content (php bin/magento setup:static-content:deploy). ...
I've enabled lazy load, but the images on my website disappeared. What should I do?
There are a number of reasons for banners/carousels/sliders etc. disappearing from the frontend after enabling the Lazy Load functionality. To resolve this issue, you may try the following solutions: Try adding the image class or part of its ...
I try to run diagnostics, but I get the error Quota exceeded for quota metric 'Queries' and limit 'Queries per minute'. How to resolve?
Sometimes it may happen that you try to diagnose the website speed using the built-in Google PageSpeed Insights tool and receive this error: This error generally appears due to the Google API, since the extension sends a request to this ...
I have optimized the images, but their resolution is low. What can I do?
To achieve lossless compression, it's possible to select 100% quality while creating an optimization pattern in Image Optimizer → Image Folder Optimization settings: This setting helps preserve the pixel density of the image and achieve ...
What is the difference between Lazy Load and Google Page Speed Optimizer extensions?
There are two landing pages created for marketing purposes: Lazy Load and Google Page Speed Optimizer. However, both landing pages represent the same extension. Regardless of the landing page, there are three optimizer versions that we ...
Is Google Page Speed Optimizer compatible with Cloudflare?
The extension does work with Cloudflare, however, there is a peculiarity that may affect the module's functionality. Apart other features, Cloudflare provides CDN support. Please, keep in mind that the extension may not work correctly with ...
Is Google Page Speed Optimizer extension compatible with Fastly CDN?
Yes, the extension is compatible with Fastly considering that the core of Fastly is Varnish, and Google Page Speed Optimizer module can handle Varnish cache. However, in case you encounter any issues that you believe might be related to Fastly, ...
The amoptimizer_dump folder is too large. Is it safe to clear it to recover the space?
The amoptimizer_dump folder contains backups of original images (not optimized images). They are created in case you would like to revert the optimization and get back to the original images instead of the optimized ones. You may clear this ...
When optimizing images, I encounter an error: libpng warning: Interlace handling should be turned on when using png_read_image. What can I do about it?
The issue is most likely to occur due to the outdated libpng on the server. However, this message can be ignored since it doesn't interrupt the image optimization process in any way. If you would like to eliminate the warning, please update ...
What features are included in each tariff plan of Google Page Speed Optimizer?
LITE Features: - images preloading feature; - jQuery, Native JavaScript, Vanilla, and Lozad lazy scripts; - custom lazy load strategy for specific pages (home, category, product, and CMS pages). Google metric covered: Defer offscreen images PRO Lite ...
Why are Webp images not appearing on the frontend?
There are several reasons why WebP images might not be pulled correctly on your website. 1. As the first step, make sure that WebP copies of the images were created. To check this, you can open any storefront image in a new tab and modify ...
How to optimize JS with the Google Page Speed Optimizer extension?
To optimize JS with the Google Page Speed Optimizer extension, please follow the next steps: 1. Transfer Magento to the Production mode. It can be done with the next command from the root Magento folder: php bin/magento deploy:mode:set ...
Can I create WebP copies for theme images?
At the moment, the extension only allows for optimizing and creating WebP copies for images inside the pub/media/ subfolders. Therefore, the theme images will not be affected by the optimization process.
Does WebP work with Varnish?
WebP images are compatible with the Varnish cache. The compatibility was introduced to the module in version 2.1.2. Make sure that you have the latest version of the extension installed. To make WebP images load on the website, it is ...
The features include Optimize JS code. What is the difference of this to the Magento 2 default Optimize JS?
In Magento, JS bundling option bundles all JS files into several files of the same size. In this case, all the files will be loaded at once, disregarding which one is required for the specific page. The bundling algorithm of the Google Page ...
For the Google Page Speed Optimizer extension, I wonder if it only requires one-time setting or a continuing process?
The extension needs configuration to improve the website's performance. We provide a detailed user guide that will help you adjust the extension. A one-time setting is enough for the correct extension’s performance.
I need to edit my CSS files, in order to do that, do I have to disable your extension?
There is no need to disable our module during editing JS/CSS/HTML files. Once the files are adjusted, make sure to re-deploy the static content.
How could I check if the optimized images are visible on the frontend?
Once the image optimization was done, please, open the frontend and with the help of developer tools click on the image. It should be displayed in WebP format:
Are there any browsers that don’t support webp format?
Safari and Internet Explorer do not support WebP image format. As a workaround, we have implemented the User Agent feature that allows displaying original image format (jpeg, png, jpg) instead of WebP if Safari is being used. You can find it ...
For the image optimization, do we need running optimization all the time when the new image is uploaded?
According to the extension’s functionality, all newly uploaded images will be optimized automatically. Make sure to enable the following setting in Stores > Configuration > Amasty Extensions > Image Optimizer > Automatic Optimization of the ...
Will the quality of copied images be lower than the quality of the original ones?
The extension provides the functionality to select the required quality for the particular folder (100%, 90%, 80%) in Stores > Configuration > Amasty Extensions > Image Optimizer > Automatic Optimization of the Newly Uploaded Images:
How to install Image optimization tools?
The tools should be installed on the server using the root user. For Linux based environment the following command should be run: sudo apt install jpegoptim sudo apt install optipng sudo apt install gifsicle sudo apt install webp ...
For the correct extension performance, do we need just to configure the Google Page Speed Optimizer extension or something else should be done?
The extension requires additional software for image optimization. Here is the list of tools to be installed: JPEG optimization tool PNG optimization tool GIF optimization tool WEBp tool
What do I choose: Google Page Speed optimizer or Full Page Cache?
If you would like to increase the page upload speed, it is advised to use our Full Page Cache Warmer extension for Magento 2. The warmer emulates visitor behavior, and timely warms up pages' cache so that your customers and Googlebot always get ...
Is your extension compatible with Varnish?
The extension is compatible with the Varnish cache. The compatibility was enhanced in version 1.8.0. Please, make sure that the extension is updated to the latest version.
Does your extension work with Magento Cloud?
Our Google Page Speed Optimizer extension is fully compatible with Magento CE and EE edition including Cloud instances. The only thing is that the image optimization functionality will be missing. The extension uses the 3rd party tools for ...
Will your extension work with Magento in developer mode?
Not all of the extension features are available in the dev mode. For the correct HTML/CSS/JS optimization, the Production mode is required. JS Bundle will work correctly in Production mode only.
How will the extension improve the speed issue on my website? Will we have 97% GTMetrics score you claim on the product page?
Our extension guarantees up to 97% rating if the fast server and default Magento theme are used. A lot of things depend on how the server is configured, how the theme is developed, etc. The module optimizes Magento. But it can not affect ...