WordPress
Top left GTMetrix
combines two different
sets of test and also
provides a total page size
and load time
Above This is generally
how an unoptimised
website will look on the first
few tests; Google helpfully
shows the problem areas
start the process. After a few moments the results
will appear, along with an overall score out of 100 for
both mobile and desktop.
WHAT DO ALL THE METRICS MEAN?
First Contentful Paint is the time between a user
requesting the website and the content appearing on
the screen.
First Meaningful Paint is the time taken
for content to render on the user’s screen in a
meaningful and human-readable way.
Speed Index is a measurement of how quickly
content on a web page is populated.
First CPU Idle is when the loading of the page has
calmed down enough that the phone you’re using can
handle input on the page.
Time to Interactive is similar to the last metric – it
is an indication of when a page becomes completely
interactive and stable.
Max Potential First Input Delay is the length of the
longest task and an indication of the delay until a
user can perform smooth actions on a website.
Below this list, several suggestions will be
included, although these aren’t always easy to
understand. A few of the suggestions to pay
particular attention to are...
TTFB – Time to First Byte
If this metric flags up in Google PageSpeed Insights
as a problem, it almost always means that the server
in use is over capacity. This may be caused by bulky
plugins or themes. It’s important to take inventory
of installed plugins and decide whether or not they
really add much to the business requirements or user
experience. If everything installed is needed, then
it’s time to look at upgrading the server.
Properly sized images
It’s possible that in parts of a page’s layout, images
have been inserted at full resolution (eg 1,200 x
“Out of the box the
WordPress CMS is fast,
enabling users to write
blog posts without
performance issues”