4glaza.ru Site Title

Купить телескоп, бинокль, микроскоп. Телескопы, бинокли, микроскопы, оптические прицелы и другая оптика

4glaza.ru Meta Description

В магазинах Четыре глаза вы можете купить телескоп, бинокль, микроскоп или любой другой оптический прибор. Доставка по России без предоплаты. Магазины в Москве, Санкт-Петербурге, Екатеринбурге и Ижевске.

4glaza.ru Test Results

4glaza.ru Mobile Usability: 100/100


4glaza.ru Mobile Speed: 66/100

Quick overview:
Avoid landing page redirects
Your page has 2 redirects. Redirects introduce additional delays before the page can be loaded.
Avoid landing page redirects for the following chain of redirected URLs.
http://4glaza.ru/
...
Prioritize visible content
Your page requires additional network round trips to render the above-the-fold content. For best performance, reduce the amount of HTML needed to render above-the-fold content.
The entire HTML response was not sufficient to render the above-the-fold content. This usually indicates that additional resources, loaded after HTML parsing, were required to render above-the-fold content. Prioritize visible content that is needed for rendering above-the-fold by including it directly in the HTML response.
None of the final above-the-fold content could be rendered even with the full HTML response.
Leverage browser caching
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://4glazaru.webim.ru/button.php (expiration not specified)
...
Optimize images
Properly formatting and compressing images can save many bytes of data.
Optimize the following images to reduce their size by 4.1KiB (29% reduction).
Compressing https://4glazaru.webim.ru/button.php?force-show=1 could save 2KiB (29% reduction).
...

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