What It Is & How to Boost Your Score

What It Is & How to Boost Your Score


What Is Google PageSpeed Insights?

Google PageSpeed Insights (PSI) is a well-liked, free device that analyzes the web page pace of a web site on cell and desktop gadgets.

It provides you a rating between 0 and 100. The next rating would normally imply your web site is optimized for pace and effectivity. Then, it offers ideas on enhance. 

Wish to use Google PageSpeed insights like a professional and get as shut as attainable to 100/100? You’re in the correct place.

Easy methods to Use the Google PageSpeed Insights Device

PageSpeed Insights is fairly straightforward to make use of. 

  1. Simply go to Google Page Speed Insights, enter any URL (whether or not it’s your individual or a competitor’s), and click on “Analyze:”
Google Page Speed Insights
  1. Then, watch for the device to research the webpage. This will take just a few seconds to a minute, relying on the complexity of the web page and your web connection pace. 
  1. As soon as the evaluation is full, you will note a rating for each cell and desktop variations of the webpage, starting from 0 to 100. Additionally, you will see an inventory of alternatives to enhance the web page’s efficiency. 
Performance score showing 59 in Google Page Speed Insights for mobile
  1. Evaluation the alternatives. For every alternative Google suggests, you’ll be able to see the estimated time financial savings in seconds. This helps you estimate the anticipated influence of implementing the suggestion. Use this data and the anticipated problem to prioritize the alternatives.
Opportunities in Google Page Speed Insights
  1. Implement the optimization ideas in your web site, after which rerun the evaluation to see if the modifications have improved the web page’s efficiency. Typically, you’ll be able to run your web site twice with out making any modifications and get a unique rating, so it’s price operating the evaluation twice at completely different instances of the day.

Operating the evaluation is straightforward sufficient. The important thing factor is knowing the metrics and implementing the suggestions. 

Understanding the PageSpeed Insights Report 

A number of the language within the PageSpeed Insights report is sort of technical. However don’t fear—it’s not as sophisticated because it may appear at first look.

Let’s dive into the three predominant sections of the report.

Core Internet Vitals Evaluation

Core web vitals assessment page in Google Page Speed Insights

On the high, it is going to say Core Internet Vitals evaluation “Handed” or “Failed.” Core Web Vitals are metrics Google makes use of as key rating components on cell:

  • Largest Contentful Paint (LCP): Measures loading efficiency, particularly the time it takes for the most important piece of web page content material to turn into seen to the person.
  • Cumulative Format Shift (CLS): Measures visible stability, particularly how a lot the web page content material strikes round because it hundreds.
  • First Enter Delay (FID): Measures interactivity, particularly the time it takes for the web site to answer the primary person interplay, resembling clicking a button or a hyperlink. (This will likely be changed in March 2024 by Interaction to Next Paint (INP).)

Diagnose Efficiency Points

Diagnose performance issues page

Beneath Core Internet Vitals evaluation, within the part titled “Diagnose efficiency points,” you will see a “Efficiency rating.” 

Google PageSpeed Insights provides your web page a rating for every of the next classes: 

  • Efficiency: That is your general rating. It signifies how nicely your web page performs when it comes to pace and optimization.
  • Accessibility: This class assesses components resembling ease of navigation, alt textual content for photographs, and coloration distinction for customers with visible impairments
  • Greatest Practices: The Greatest Practices class measures how nicely your web page adheres to net improvement greatest practices. Like utilizing fashionable net applied sciences, optimized code, and safe connections.
  • search engine marketing (Search Engine Optimization): This class focuses on how nicely your web page is optimized for engines like google, contemplating features resembling metadata, structured information, and mobile-friendliness.


Beneath the Core Internet Vitals evaluation and “Diagnose efficiency points” sections, you will see an inventory of things referred to as “Alternatives.” These are Google’s suggestions for enhancing your web site. That might be optimizing photographs, simplifying code, or decreasing server response time.

You should utilize this data to spice up the pace and effectivity of your web site. That is useful for person expertise and your search engine rankings. 

What Is a Good PageSpeed Insights Rating?

In idea, the best attainable rating is 100/100. According to Google, a rating of 90 or above is sweet, 50 to 89 wants enchancment, and beneath 50 is taken into account poor.

"Google Page Speed Insights Score" infographic

In case your rating is beneath 90, it’s attainable that your customers are usually not having a superb expertise. And there could also be some destructive search engine marketing results of getting a poor person expertise. 

The excellent news: Google provides you a bunch of suggestions on enhance. 

However hold this in thoughts:

In case your rating is above 90, you’ll be able to all the time enhance, nevertheless it won’t be definitely worth the effort. 

Even Google’s personal web site scores beneath 100. So, it’s in all probability not price obsessing an excessive amount of about reaching the highest rating. The return on the funding is prone to be comparatively small and barely perceptible for web site customers.

Finally, guests don’t care what your Google PageSpeed Insights rating is. They only wish to entry your content material rapidly and get on with their day.

In any case, who needs to attend 10 seconds for a web page to load? Google’s personal information exhibits that visitors are 123% more likely to leave a page because the load time will increase from 1 second to 10 seconds.

So, the true query is: Is your web site quick sufficient? 

To determine that out, strive utilizing PageSpeed Insights together with one other web page pace measurement device. A device that doesn’t depend on Google’s information might offer you a broader view of your web site’s well being. 

Semrush’s Site Audit tool measures your web page pace and offers deep insights into the components affecting it. This offers you with precious context to your Google PageSpeed Insights rating. 

Web site Audit additionally scans your web site for over 140 technical web site well being and search engine marketing points. Then, you get a customized to-do record on your web site. So that you’ll know precisely what to repair.

To test your web page pace, open the Site Audit tool. Then, enter your web site within the search bar, and click on “Begin Audit.”

Site Audit tool

Subsequent, configure the settings and click on “Begin Web site Audit.”

Site Audit Settings page

You’ll see a dashboard like this one. Click on “View particulars” within the part referred to as “Web site Efficiency.”

“Site Performance” section highlighted on the dashboard

Throughout the “Web site Efficiency” report, you’ll see your common web page load pace in seconds. 

average page load speed showing 0.21 sec in "Site Performance" report

How Does My Google PageSpeed Insights Rating Have an effect on search engine marketing?

Google is not operating your web site by way of PSI and utilizing it to rank you.

That mentioned, the Google PageSpeed rating is based mostly on components that may have an effect on search engine marketing, like page speed and page experience

So, taking motion to enhance your PSI rating is prone to have a constructive influence in your search rankings.

That’s why it’s essential to trace your PSI rating and attempt to enhance over time.

Easy methods to Enhance Your Google PageSpeed Insights Rating 

It’s straightforward to run an evaluation. Nonetheless, should you aren’t a backend developer or specialised in technical SEO, it may be difficult to determine what the ideas imply and implement them.

Right here’s an instance of the ideas PageSpeed Insights delivers:

an example of the suggestions in PageSpeed Insights

Whereas the jargon may appear intimidating, lots of the PageSpeed Insights ideas are less complicated than they give the impression of being.

Right here’s a step-by-guide to implementing Google’s ideas to spice up your PSI rating. For every step, we’ll clarify why it’s essential, do it, and whether or not you would possibly want developer help.

1. Get rid of Render-Blocking Assets

Render-blocking assets forestall a webpage from loading rapidly. It is because assets resembling CSS, JavaScript, and font recordsdata drive the browser to load them earlier than displaying the web page. 

Eliminating these roadblocks could make your web page load sooner and enhance your Google PSI rating. To try this, observe these steps:

  1. Search for “Get rid of render-blocking assets” within the “Alternatives” part of your PSI report.
row with "Eliminate render-blocking resources" in the "Opportunities" section highlighted
  1.  Click on on the arrow subsequent to the suggestion to see the record of assets which might be inflicting the difficulty.

The record will present you which of them assets are blocking the web page from rendering rapidly and the potential time financial savings in milliseconds.

list of resources blocking the page from rendering quickly
  1. When you’ve recognized the render-blocking assets, the following step is to determine which of them aren’t important for the performance of the web site to allow them to be eliminated. 

Should you’re not accustomed to coding or web site improvement, you’re prone to want developer help for this step.

2. Scale back Server Response Instances (TTFB)

The server response time, often known as TTFB (time to first byte), is the time it takes for the browser to obtain the primary byte of information from the server. A gradual TTFB can negatively influence web page load pace, because it delays the time it takes for the browser to obtain the web page’s content material.

When a person tries to entry a webpage, the browser makes a community request to fetch that content material. The server receives the request and returns the web page content material.

"Server Response Time (TTFB)" infographic

Google PSI will present the advice “Scale back preliminary server response time” when the browser waits more than 600 ms for the server to answer the request. After all, the sooner, the higher. 

“Reduce initial server response time” page

To scale back server response instances, you’ll be able to strive the next:

  • Select a web hosting service that provides quick servers and low latency
  • Optimize the server’s utility logic to organize pages sooner
  • Optimize how your server queries databases, or migrate to sooner database programs
  • Improve your server {hardware} to have extra reminiscence or CPU
  • Use a content delivery network (CDN) to distribute your web page’s assets throughout a number of servers, decreasing the gap and time it takes for these assets to be delivered to the person

You’re prone to want help from a developer or your net host for this.

3. Correctly Optimize Your Pictures

Images (particularly giant ones) can considerably improve web page load pace. 

The Google PSI report exhibits you all photographs in your web page that are not appropriately sized and shows the present measurement and potential financial savings in kibibytes (KiB). Resizing these photographs can prevent information and enhance the web page load time.

"Properly size images" page

There are lots of methods to optimize your photographs. And the excellent news is that it’s comparatively easy. You’ll be able to:

  • Compress your photographs utilizing a device like TinyPNG or ShortPixel earlier than importing them to your web site
  • Use the suitable picture format (JPEG, PNG, GIF, or WebP) for every picture to optimize the file measurement and keep picture high quality
  • Use the “srcset” attribute to serve the suitable picture measurement based mostly on the person’s system
  • Lazy-load photographs utilizing a WordPress plugin like LazyLoad or Smush

In case you have a WordPress web site, that is pretty easy to do your self. This is use TinyPNG to optimize your photographs:

  1. Log in to WordPress
  2. Click on “Add Plugin.” Then seek for “TinyPNG.” When you’ve discovered the plugin, click on “Set up” after which “Activate
  3. When you’ve registered your account, go to the “Media Library” and choose “Bulk Optimization.”
“Bulk Optimization” option shown in WordPress menu

The plugin will present you what number of photographs you’ve gotten uploaded and the way a lot house you’ve gotten saved. 

"Available images" and "Total savings" section shown in “Bulk Optimization” plugin

4. Keep away from Chaining Essential Requests

"Avoid chaining critical requests" page

Chaining essential requests is when a web page must obtain a number of recordsdata and property with the intention to load. 

Let’s say you’re the ecommerce supervisor at a pet meals retailer. In your touchdown web page for cat meals, the textual content received’t present up till the photographs of cute kittens have loaded. And for the photographs to load, the CSS file must load first. And so forth…

Every request is dependent upon the earlier request, making a so-called chain. And if any of the assets don’t load, the browser received’t render the web page. This could trigger vital delays.

"Chaining Critical Requests Delays Page Render" infographic

To keep away from these chains, you could set priorities. That manner, the essential assets load first, so the web page will be displayed. The much less essential issues are loaded afterward.

A great way to try this is by including the attributes “async” and “defer” to the code of your web site. 

The “async” attribute tells the browser to proceed loading and exhibiting the remainder of the web page whereas the file or asset hundreds within the background. 

The “defer” attribute instructs the browser to obtain the file or asset after the web page is seen to the person. This fashion, the web page is displayed first, then the non-essential stuff hundreds.

Should you’re not capable of make modifications to the web site code your self, you’ll be able to ask a developer so as to add the “async” and “defer” script tags for you.

It is essential to notice that utilizing these attributes could cause points with sure forms of scripts. So, be certain that to check totally earlier than implementing them in your web site.

5. Preload Key Requests

Preloading key requests means telling the browser to prioritize essential property and obtain them first. That manner, probably the most related recordsdata can load sooner.

Key requests are something the web page wants at an early loading stage. The most typical key requests are fonts. Nonetheless, this will apply to JavaScript recordsdata, CSS recordsdata, and pictures, too.

"Pre-load key requests" section

In case your web site runs on WordPress, numerous plugins help preloading, together with Preload Images and Pre* Party

In any other case, ask a developer to determine the essential requests and add the preload tag to the code. 

6. Scale back CSS and JavaScript

CSS is a vital a part of net design. However CSS recordsdata are sometimes bigger than they have to be, which slows down your web site.

Equally, JavaScript is essential to the functioning of your web site. However it will probably additionally considerably decelerate your web site if the code just isn’t optimized correctly.

Lowering the scale of your code—a course of often known as “minifying”—makes it sooner to load.

"Minify JavaScript" section

Minifying your code includes eradicating pointless characters out of your CSS and JavaScript recordsdata. Resembling white house and feedback.

There are lots of instruments to minify your code, resembling Toptal CSS Minifier, Toptal JavaScript Minifier, and Minify.

You may also think about using JavaScript frameworks or libraries which might be designed to be light-weight and fast-loading, resembling jQuery or React.

In case your web site is on WordPress, you should use a plugin to assist. Widespread plugins for CSS and JavaScript minification embrace Hummingbird, LiteSpeed Cache, and W3 Total Cache.

Right here’s use Hummingbird to minify your code:

  1. Log in to WordPress and choose “Plugins” from the dashboard menu
  2. To put in Hummingbird, click on “Add Plugin” then “Activate
  3. Discover “Hummingbird” within the dashboard menu, and full the setup wizard
  4. Then head again to the “Dashboard” 
“Hummingbird” highlighted in the dashboard menu
  1. Examine that your recordsdata are marked “Energetic” within the Gzip Compression part.
Gzip Compression section shows "Gzip compression is currently active. Good job!"

Take a look at our guide to JavaScript SEO for extra detailed directions on optimize the JavaScript code in your web site.

7. Defer Offscreen Pictures

Pictures are one of many largest causes of gradual web page speeds. Particularly if they’re giant or not optimized. A great way to repair that is to defer the loading of offscreen photographs. 

Offscreen photographs are photographs that aren’t seen on the present display however are nonetheless being loaded by the browser. 

"Defer off-screen images" shows resource size and potential savings for images

By deferring the loading of non-visible photographs, you’ll be able to prioritize the photographs which might be seen. So, the web page can load sooner. You are able to do this utilizing lazy loading.

Lazy loading means loading photographs solely when they’re wanted. Resembling after they come into sight on the display. This could considerably scale back the period of time it takes to load a web page, particularly on cell gadgets with slower web connections. 

WordPress has plugins that may do this for you, resembling Lazy Loader

8. Scale back Doc Object Mannequin (DOM) Dimension

The Doc Object Mannequin (DOM) is a tree-like illustration of the HTML construction of a webpage. A big DOM measurement can result in gradual loading instances and poor person expertise. 

"Avoid an excessive DOM size) page

To scale back your DOM measurement, you’ll be able to:

  • Ask your dev crew to take away pointless parts and attributes from the HTML code and take away unused JavaScript or CSS recordsdata 
  • Use server-side rendering (SSR) to render pages on the server earlier than sending them to the consumer
  • Keep away from (most) visible web page builders as a result of they generate inflated HTML
  • Do not paste textual content into What-You-See-Is-What-You-Get (WYSIWYG) web page builders
  • Search for clean-coded themes and plugins

Instruments like Google’s Chrome DevTools may help you analyze your DOM measurement and determine areas for enchancment. You might want developer help to implement the modifications.

9. Repair A number of Web page Redirects

Redirects routinely ahead site visitors from one URL to a different. They’ll additionally decelerate your web page load pace. 

Let’s say you attempt to entry a web page that has been redirected. The server tells your browser that the web page has moved. Then, your browser tries to retrieve the brand new URL. This extra step makes it longer to load the brand new web page. 

That’s why it is essential to attenuate redirects when attainable. One redirect already impacts web page pace. However usually, you’ll be able to run into points with a number of consecutive redirects. These are often known as redirect chains.

Redirect chains usually occur as previous pages get deleted and newer ones take their place. In consequence, there may be multiple web page between the unique URL and the ultimate URL. Like this:

"What Is a Redirect Chain" infographic

Google can follow up to 10 redirects with out reporting a difficulty in Google Search Console. However redirect chains can unnecessarily decelerate your web site.

So, to enhance your web page load time and your PageSpeed Insights rating, it’s greatest to maintain issues easy. You need to redirect straight from the unique URL to the most recent URL.

The simplest solution to get an outline of the redirects in your web site is with an search engine marketing device like Semrush. Open Site Audit. Then, set up a project or choose an current one.

Create project in Site Audit tool

Click on the “Points” tab and sort “redirect chain” into the search bar. Click on on “# redirect chains and loops.” 

Errors section in Site Audit showing “2 redirect chains and loops” 

This may present you a report containing an inventory of pages, their redirect sort, and the variety of redirects.

“2 redirect chains and loops” report

Should you’ve recognized any redirect chains, you’ll be able to doubtless log into your content material administration system (CMS) to repair them. You will want to delete the pointless redirects and implement a brand new redirect sending site visitors solely from the unique web page to the present one. 

Many free WordPress plugins, together with Easy Redirect Manager, Redirection, and Simple Page Redirect, will assist you modify or arrange redirects.

  1. Log into WordPress, click on “Plugins” after which “Add New.”
  2. Seek for “Simple Redirect Supervisor.” Then, click on “Set up and activate.”
  3. Then click on “Handle Redirects.”
“Manage Redirects” button highlighted under "301 Redirects"
  1. Within the “Redirect Guidelines” tab, enter the deal with of the previous URL and the one you want to redirect to. Then, click on “Save.”
“Redirect Rules” tab with "redirect from" and "redirect to" bars highlighted

Take a look at our guide to redirects to study concerning the several types of redirects and the primary greatest practices.

10. Keep away from Overusing Third-Get together Code

Third-party code contains scripts, pixels, and plugins. They’ll decelerate web page loading instances and negatively influence your PageSpeed Insights rating.

Third-party code usually comes from different corporations—resembling analytics instruments and advertisers—monitoring your web site efficiency. 

Some third-party code is important and helpful. As an illustration, you might need the Google Analytics pixel to measure web site efficiency. Or the Fb pixel to trace advert campaigns. 

Nonetheless, you doubtless have some pointless third-party code. Like instruments and platforms you now not use.

That’s why you need to frequently audit third-party code in your web site. And take away something that is not essential.

In your PageSpeed Insights report, Google flags third-party code. Together with the switch measurement and main-thread blocking time.

Pay particular consideration to the corporate names within the grey bars. These are the third-party corporations operating code in your web site. Google additionally categorizes them (Tag Supervisor, Social, Utility, Analytics) that can assist you perceive their goal.

"Reduce the impact of third-party code" page

Make a remark of any firm names you don’t acknowledge or now not want. When you’re positive you don’t want them, take steps to take away their code. That is prone to contain deleting the code out of your CMS, uninstalling plugins in case your web site is on WordPress, or eradicating tags out of your tag administration device.

Google PageSpeed Insights Device Options

Google PSI is nice. However different instruments may help you measure and enhance your web site efficiency.

Every device makes use of completely different information and offers you barely completely different outcomes. And checking multiple device can provide you a extra correct image of your web site’s pace.

Right here is an outline of a few of the greatest options to Google PageSpeed Insights.


GTmetrix homepage with title "How fast does your website load" Find out with GTmetrix"

GTmetrix is a free device that measures a web page’s efficiency. You simply enter the URL and select the server location. 

This device generates a report with numerous insights, together with:

  • Your construction rating
  • Your efficiency rating
  • Your Core Internet Vitals rating
  • A pace visualization graphic
  • Suggestions to enhance efficiency


WebPageTest homepage with text "Start a Site Performance Test!"

WebPageTest is a free device that permits you to check your web site’s efficiency based mostly on person circumstances. Like completely different areas worldwide, browser, and connection. 

It provides superior evaluation choices, together with:

  • Your Core Internet Vitals (These is likely to be completely different from what Google PSI tells you, as the info is completely different.) 
  • An in depth breakdown of your web site’s efficiency metrics, together with load time and TTFB
  • Waterfall charts to visualise the loading course of
  • Your web site’s carbon footprint 

Google PageSpeed Insights vs. Lighthouse

Google Lighthouse

Google Lighthouse offers audits and experiences on numerous features of web site efficiency, together with efficiency metrics, accessibility, search engine marketing, and greatest practices. 

Lighthouse and PageSpeed Insights are each:

  • Made by Google
  • Free to make use of
  • Offering webpage efficiency information
  • Suggesting alternatives to enhance web page pace

One key distinction is that Lighthouse offers extra detailed details about every situation it flags. For instance, Lighthouse will let you know not solely whether or not a picture is optimized but in addition how a lot smaller the optimized model needs to be. This degree of element may help you prioritize and implement the advice.

Google PageSpeed insights, generally known as Google Insights, solely evaluates one webpage at a time. Lighthouse can provide you information on your complete web site.

That mentioned, there may be a substantial amount of overlap within the information between the 2 instruments. Each take a look at Core Internet Vitals and use the identical efficiency metrics.

To make use of Lighthouse, open the Chrome Developer Instruments (press F12 or right-click and choose “Examine“) and go to the “Lighthouse” tab. 

From there, you’ll be able to run an audit on your web site and generate an in depth report with suggestions for enchancment. 

You may also use Lighthouse as an extension in Google Chrome browser.

Google Lighthouse as an extension in Google Chrome browser

To study extra, learn our information to Google Lighthouse and page speed.

Audit Your Web site to Monitor & Repair Web page Points Sooner

Semrush’s Site Audit is a great tool to kickstart your web site pace optimization and increase your Google PageSpeed Insights rating. 

It comprehensively scans your web site for over 140 technical and search engine marketing points, producing an in-depth report that identifies all areas needing enchancment.

"Site Performance" report in Site Audit tool

The “Efficiency” report contains important metrics, resembling web page load pace, common load pace, and the quantity and sizes of JavaScript and CSS recordsdata.

What’s extra, you’ll be able to see at a look all key errors and points impacting your web site’s efficiency and PSI rating. Resembling:

  • Massive HTML web page measurement points
  • Redirect chains and loops
  • Uncompressed JavaScript and CSS recordsdata
  • Uncached JavaScript and CSS recordsdata
  • Too giant JavaScript and CSS complete measurement
  • Too many JavaScript and CSS recordsdata
  • Unminified JavaScript and CSS recordsdata
  • Sluggish common doc interactive time

By incorporating information evaluation, done-for-you prioritization, and detailed directions, the report may help you rapidly determine and resolve technical points that have an effect on your PSI rating. 

Observe & Enhance Your Google PageSpeed Insights Rating with Semrush

When you begin implementing Google’s suggestions, you should use Web site Audit to maintain monitor of your progress. 

Making your web site extra environment friendly is a steady course of. Google PSI will simply present you the efficiency at a given second. Semrush exhibits the progress over time, like this:

progress over time with selected dates "14 Jun 2023 (14:05)" vs "21 Jun 2023 (20:41)" in Site Audit

Utilizing Web site Audit and Google PageSpeed Insights collectively, you’ll be able to prioritize and implement web site enhancements, pace up your web site, and enhance your web site’s search engine marketing. Sign up for a free account at the moment to get began.


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