Your page has no redirects. Learn more about avoiding landing page redirects.
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 https://developers.google.com/speed/docs/insights/EnableCompression (550B reduction).
Setting an expiry date or a maximum age in the HTTP headers for static resources instructs the browser to load previously downloaded resources from local disk rather than over the network.
Leverage browser caching for the following cacheable resources:
https://www.cba.pl/cba1.jpg (expiration not specified)
https://apis.google.com/js/plusone.js (30 minutes)
https://apis.google.com/js/rpc:shindig_random.js?onload=init (30 minutes)
Your server responded quickly. Learn more about server response time optimization.
Compacting CSS code can save many bytes of data and speed up download and parse times.
Minify CSS for the following resources to reduce their size by https://developers.google.com/speed/docs/insights/MinifyResources (2.1KiB reduction).
Minify HTML for the following resources to reduce their size by https://developers.google.com/speed/docs/insights/MinifyResources (840B reduction).
Your page has 10 blocking script resources and 6 blocking CSS resources. This causes a delay in rendering your page.
None of the above-the-fold content on your page could be rendered without waiting for the following resources to load. Try to defer or asynchronously load blocking resources, or inline the critical portions of those resources directly in the HTML.
Optimize CSS Delivery of the following:
Properly formatting and compressing images can save many bytes of data.
Optimize the following images to reduce their size by https://developers.google.com/speed/docs/insights/OptimizeImages (150.9KiB reduction).
Compressing https://www.cba.pl/cba1.jpg could save 15.6KiB (47% reduction).
You have the above-the-fold content properly prioritized. Learn more about prioritizing visible content.