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How fast your website loads affects where it ranks in Google — and what you can do to improve it.

Google's ranking systems do use Core Web Vitals, the measurements that cover how quickly a page loads, how fast it responds, and how much it moves around while loading. Slow pages also lose visitors, whatever they do for rankings. The good news is that speed issues are fixable, often without rebuilding your site.

Quick summary

Google says Core Web Vitals are used by its ranking systems, and it recommends every site owner aim for good scores. It also says a perfect score won't push you to the top on its own. The most common causes of slow pages are large images, too many plugins or scripts, and cheap hosting. We address all of these as part of performance optimization work.

Why speed matters for SEO

Google wants to send its users to websites that provide a good experience. A slow website is a poor experience, and people leave pages that keep them waiting.

Google's guidance is direct about where speed fits: Core Web Vitals are used by its ranking systems, and Google highly recommends that site owners achieve good Core Web Vitals for success with Search. It's equally direct that good scores in a report don't guarantee a top ranking, and that chasing a perfect score purely for SEO may not be the best use of your time.

What is a "fast" website?

Google's own bands for the PageSpeed Insights performance score:

Score (Lighthouse / PageSpeed Insights)	Rating
90–100	Good
50–89	Needs improvement
0–49	Poor

Any score of 90 or above counts as good. Google also notes that a good lab score doesn't guarantee your real visitors are having a good experience, which is why PageSpeed Insights shows real-user data from the past 28 days alongside the score.

You can test your site free at Google PageSpeed Insights — the link is at the foot of this page.

What slows websites down?

The most common causes of slow pages:

Large, uncompressed images — The most common culprit. A photo straight off a modern camera or phone is far heavier than a web page needs, and resizing and compressing it before upload is the single biggest win on most sites. See: Image SEO & alt text.

Too many plugins or scripts — Every plugin or third-party script adds code that must load. Unused tracking scripts, chat widgets, and social media embeds all add weight, and they add up quickly on a site that has collected plugins for years.

Slow hosting — Cheap shared hosting is often slow. Managed WordPress hosts such as Flywheel, WP Engine and Kinsta run caching at the server level; Kinsta, for one, says it already has both object and page caching implemented server-side, and that caching plugins on top will deteriorate performance.

No caching — Caching stores a fast, pre-built version of your pages so they load more quickly for returning visitors and regular traffic. Most WordPress sites need a caching plugin or server-level caching.

Render-blocking resources — Some JavaScript and CSS files delay the visible loading of your page. These need to be configured to load in a way that doesn't block the page content from appearing.

No CDN — A Content Delivery Network (CDN) stores copies of your site on servers around the world. Visitors load from the server nearest to them, which is faster than always loading from a single distant server. See: What is a CDN?.

What we can do to improve speed

Speed optimization is technical work. We typically address:

Image compression and conversion to modern formats (WebP)
Caching configuration
Script loading optimization
CDN setup
Plugin audit and cleanup
Hosting upgrade recommendations where needed

If speed is a concern for your site, ask us about a performance audit.

Core Web Vitals

Core Web Vitals are three specific speed and experience metrics that Google uses as ranking signals:

LCP (Largest Contentful Paint) — loading: how long until the main content is visible. Google's target is within 2.5 seconds
CLS (Cumulative Layout Shift) — visual stability: how much the page jumps around while loading. Google's target is under 0.1
INP (Interaction to Next Paint) — responsiveness: how quickly the page responds when someone interacts with it. Google's target is under 200 milliseconds

You don't need to understand the technical details of these metrics. What matters is that they're measurable, improvable, and that Google's ranking systems use them.

See the detailed guide in our performance section: Core Web Vitals explained.

Common questions

My site feels fast to me. Does speed still matter?

Possibly. Your experience may be skewed by your location (close to the server), your broadband connection, or browser caching from previous visits. Test with PageSpeed Insights for a measurement that isn't about you — and check the mobile result as well as desktop. They can differ a lot, because Google's mobile test simulates a mid-range phone on a mobile network while the desktop test assumes a wired connection.

How much does site speed affect my actual rankings?

Speed is one input among many. Google puts it plainly: it "always seeks to show the most relevant content, even if the page experience is sub-par", but for the many searches where plenty of helpful content exists, a good page experience can contribute to success. So relevance and quality come first, and speed helps at the margin — while affecting the experience of everyone who visits, regardless of rankings.

Will speed improvements show up in rankings quickly?

Not necessarily. Google has to recrawl the pages first, and its guidance on any site change is that some take effect in a few hours while others take several months — in general, wait a few weeks before judging whether a change helped. Core Web Vitals reporting is slower still, because it's based on real visitors' experiences over the previous 28 days.

My site is on Squarespace/Webflow. Can I still improve speed?

Platform-hosted sites handle some of this for you — Webflow serves sites through Cloudflare's CDN, and Squarespace says it has measures in place for fast load times — but you still control image sizes and the number of scripts and embeds added. Avoiding excessive third-party integrations and compressing your images before upload makes a real difference.

Need a hand?

If you're stuck, email support@chykalophia.com and we'll help. Include your website address and a screenshot if you can.

Site speed & SEO