3. Time to load a sufficient portion of content (FMP)
First Meaningful Paint is translated as "first meaningful paint". This is the period of time between when a person sends a request to the server and the appearance of content on the page sufficient for the first action.
The content is different on different sites, and it is displayed at different speeds. FMP can be the same as FCP or have a higher value. It is better, of course, for the first rendering of the page to be the most complete and to show, for example, the title, the beginning of the text, and not just the background or picture frames.
4. First CPU Idle
The time interval between sending a request to the server and the moment when:
the user can begin interacting with the elements reflected on the page (links, buttons, images, etc.);
most of the page becomes available for manual input.
It's good if this indicator is low enough. This means that the loading speed is normal and the visitor will be able to use the menu, gallery, widgets and other services of the page as quickly as possible.
5. First Input Delay (FID)
First Input Delay, that is, the first input delay. This is the time interval between a person's first action on a page (referring to a JavaScript element, clicking on a button or link) and the moment when the browser reacts to it.
A high FID indicator indicates a low site loading speed. This means that a person waits a long time for the information they are looking for to appear (for example, they clicked on a "hamburger", and the menu does not open right away, to put it mildly).
6. Time to Interaction (TTI)
Time to Interaction means the load time for interaction. The time from the page request to the moment when it is fully loaded.
That is, after this time, the user can easily marketing list of plumbers perform any actions on the page and not wait for the buttons to work, pictures, texts or widgets to appear, etc.
The official tool for measuring the loading speed of a website is the Page Speed service launched by Google. It is certainly not the only one of its kind, but it is in the interests of the web developer to use the tools of the search engine where he plans to launch and promote the websites he creates.
How to check website loading speed via Google Page Speed
How does it work? Go to the Page Speed Insights (PSI) page, see the input field (there is only one), enter the domain you are interested in, start the process and wait no more than a minute. The result is a comprehensive summary and important recommendations for optimization.
The loading speed of the mobile version of the site will differ from the indicators for the computer. The system will take into account all the problems and delays in the work and give an indicator, the maximum value of which can be equal to 100. If you have a result of 90, this is cool, if 80 - also good.
The results of the website loading speed test for the mobile and desktop versions are very rarely the same, usually they differ. The program calculates a number of indicators: the time it takes to load the first bytes, and then most of the content; delays and their longest duration; the time it takes for the central processor to finish working; the time until the first client action; the speed index, etc.
In general, the point is that PSI calculates the entire time required to start full-fledged work on the page. This means using any visible objects, viewing pictures, entering information, smooth, uninterrupted scrolling, etc.
How to check website loading speed via Google Page Speed
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