Module for smart compression of PNG and JPEG images at the stage of their uploading in OpenCart. Image optimization is performed via the TinyPNG API, which uses unique compression techniques to reduce the size of JPEG and PNG files. Selectively reducing the number of colors in an image results in fewer bytes to store data. The effect is almost invisible visually, but there is a big difference in file size, up to 80% of the original file size. This will have a positive effect on the page load speed, data display, and this is an important indicator when checking the site in PageSpeed Insights, ie directly affects SEO.
The main advantages of the Tinify module:
automatic compression when uploading JPG and PNG images to products, categories, etc.;
photo optimization with almost no visible loss of quality;
saving disk space on the hosting;
view statistics in the personal account on the TinyPNG service;
free compression of 500 images per month for one API key.
A massive SEO manipulation: how pirate site DEV-OPENCART used hidden links in module code to capture Google's top rankings. 1.8M backlinks, hundreds of infected sites, and search engines' silence.
We conducted comprehensive performance testing of three OpenCart versions 3.0.3.8, 3.0.4.1, and 4.1.0.3 using synthetic tests and real network conditions.
Over the years of working with various OpenCart and SEO projects, we have developed five cool modules for them that provide the fastest and most noticeable result in improving search positions.
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