Do you want to enhance your site’s performance through Google Lighthouse?
Then you have come to the right place.
As lighthouse provides a competitive advantage to your online business by increasing your website's overall performance & SEO.
Everybody on the internet wants swift results.
And a great way to achieve that is by visiting web pages that load quickly.
Do you know that 53% of mobile device users bounce off a webpage if it takes >3 seconds?
The solution is obvious i.e. to increase your website’s speed & performance.
And, this is where Google Lighthouse comes into the picture.
In this post, we present you with a complete guide to Google Lighthouse, its features, benefits, usage, and so much more!
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Google introduced an SEO tool in mid-2018 named Lighthouse that provides the finest way to advance the overall performance & quality of your pages.
As an open-source fully automated tool, Google Lighthouse checks a page's accessibility, performance, and a lot more.
Initially Lighthouse was made to review Progressive Web Apps (PWA).
The tool executes four reviews for Progressive Web Apps, accessibility, performance, and an all-inclusive rundown of best practises.
As of late, Google even included a fundamental SEO check.
These provide you a brilliant diagram of the value and execution of your website.
Site speed has a direct correlation with client experience & recognition.
If your site still feels slow, speed in numbers amounts to nothing.
Heaps of clients around the globe are on rather awful versatile associations of 3G or less.
Indeed, even with exceptionally quick 4G associations, a site can basically feel slow.
Also, we as a whole comprehend what a staggering impact a slow site can have on your conversion rates.
Even milliseconds of reduced loading time could improve things greatly.
During the testing process, Lighthouse provides a simulation of browsing your mobile website on a marginally powered gadget through a weak 3G connection.
Packets are lost trying to recreate certifiable conditions as genuinely as could be expected under the circumstances.
When the test is complete, it’ll generate a report with actionable tips to implement along with a score which represents your current performance.
In all actuality, the recently updated and overhauled Test My Site by Google is unendingly progressively wonderful, yet it has comparatively less functions.
There are 3 easy ways to install Google Lighthouse.
a) Google Chrome
One of the simplest methods for running Google Lighthouse is straight through the Google Chrome application, without downloading or introducing anything extra.
To utilize Lighthouse on Google Chrome, simply pursue these basic steps:
Doing this prompt Lighthouse to display the audit report of the webpage.
b) Google Chrome Extension
An advantageous and simple method for running Google Lighthouse is through the Chrome Extension from the Google Chrome Web Store.
The extension enables you to rapidly run the Lighthouse tool on a page without opening a different tab or open the developer tools.
You simply need to click the Lighthouse button present on the toolbar.
To utilize the Lighthouse extension on Google Chrome simply pursue the accompanying steps:
After the tool has completed the process, it will show the review results for your site on another Google Chrome window.
c) Node Command Line Interface (CLI)
Google Lighthouse can likewise be accessed on the Node.js command line or node module.
This is a significantly more specialized establishment and is suitable for individuals who want to automate Lighthouse.
To run Lighthouse in Node.js CLI you have to:
pm install -g lighthouse
Once installed, you can run the Lighthouse tool by composing the accompanying direction into the CLI:
You can likewise utilize various CLI choices (otherwise called flags) to modify your reports. A rundown of alternatives can be found on the Lighthouse Github.
Running the hub CLI as a matter of course will save a HTML adaptation of the report which can be saved and shared.
Google Lighthouse gives a breakdown of your site into the accompanying metrics:
Here is a brief explanation of each of the aforementioned metrics:
Performance is generally viewed as the most valuable metric given by the Google Lighthouse tool.
Like the PageSpeed Insights, the Performance area of the Lighthouse report contains a few helpful metrics you can use to advance your site to climb Google's rankings.
The Performance segment of the Lighthouse report joins the Opportunities, Field Data, Lab Data, and Diagnostics metrics of the PageSpeed Insights tool.
A great example is the opportunities metric as it flags three types of render-blocking URL’s namely stylesheets, scripts, and HTML imports.
This merged perspective on performance metrics gives an exact and valuable analysis of your site's performance and any progressions you should make to expand your site's exhibition.
As per the official guidelines, this tool tests for estimated input latency for a target score of 50ms.
Another great tool within this metric is the first meaningful paint.
The lower this score the faster your page’s primary content loads in front of a user.
Following the prescribed improvements won't just give you a superior shot of positioning higher in the Search Engine Results Pages (SERPs).
And you'll likewise be following the best web development practices.
The first of the new regions of Google Lighthouse is the Accessibility metric.
Basically what this metric does is feature potential chances to improve the availability and client experience of your mobile app or website.
Following the accessibility improvement report will guarantee that your clients can without much of a stretch explore and utilize your site.
Just as guaranteeing that you have the most obvious opportunity with regards to positioning better on web search engines.
While Lighthouse doesn't cover all availability tests, it covers a scope of important tests, for example,
Just as giving a definite rundown of Accessibility suggestions, the tool will likewise reveal to you which audits you've passed, which reviews are not pertinent, and above all – which extra checks you should make.
c) Best Practices
Another segment new to Google's analysis tools is the Best Practices metric.
This region of the Lighthouse report doesn't carefully give execution related data.
However, it will give you recommendations which can improve both your exhibition and client experience, particularly for mobile sites.
The latest and most dynamic of the highlights in Google's Lighthouse instrument is the SEO metric.
PageSpeed Insights doesn't offer this tool.
This is why most web designers and SEO specialists prefer to use utilize Google Lighthouse to analyse a website.
The SEO metric gives fundamental tools to examine your page's streamlining for search engine results rankings.
While there are numerous a lot more factors which Lighthouse doesn't consider or quantify, the most essential focuses are secured.
So ensure that you're not missing any of these – as it will vigorously affect the overall performance of your site!
As of now, Lighthouse checks:
Additionally, it proposes some additional checks run physically.
These incorporate the Google Mobile-friendly Test and the Structured Data Testing tool.
e) Progressive Web Applications
The Progressive Web App area is another of Google's most up to date execution measurements incorporated into its Lighthouse tool.
While the meaning of a Progressive Web App (PWA) hasn't been especially clear, Google's documentation expresses that there are a few key variables which make a site a PWA:
Google states that these are the essential capabilities that a site must meet to be a PWA.
A great feature of this metric is registering service workers which allow you to enable push notifications on your web app
For the full rundown of variables (huge numbers of which Lighthouse doesn't check for), see their official checklist.
Is Lighthouse an exhaustive tool that will test each part of your site?
No and it doesn’t claim it to be.
The tool even prescribes more top to bottom testing of specific components, for example, accessibility.
What Lighthouse Tools does is give trying to the website design angles that Google considers as important steps.
From these outcomes, you will get guidance on the most proficient method to fix issues to improve your performance, which ought to at last bring about better rankings on Google.
Here are a couple of reasons why you ought to have Lighthouse as a component of your site testing routine:
Google Lighthouse enables you to test your site against metrics that Google regards essential.
And you get significant things to enable you to improve your site's performance.
With Lighthouse, you can improve mobile functionality, website speed, and accessibility all while making acclimations to guarantee that your site meets the accepted procedures in website composition.