12voltsplus.com website review

110 files are served with short cache lifetimes, so returning visitors download them again (3.8 MB).

49 files block the first paint until they finish downloading. Deferring or inlining them could save about 9.4 s.

About 1.3 MB of CSS is downloaded but never applied on this page. Google estimates it would make the page about 6.5 s faster on a phone.

About 900 KiB of JavaScript is downloaded but never used on this page. Google estimates it would make the page about 4.5 s faster on a phone.

Your mobile performance score is 55. Pages that score under 90 lose visitors before the first paint.

175 KiB could be saved by minifying JavaScript.

170 KiB could be saved by minifying CSS.

11 images could be 414 KiB smaller with modern formats (WebP or AVIF) and sizes that fit a phone screen. Google estimates it would make the page about 350 ms faster on a phone.

Polyfills for old browsers add 61 KiB JavaScript that modern phones do not need. Google estimates it would make the page about 350 ms faster on a phone.

3 third-party services load with your homepage (Google Tag Manager, WordPress Site Stats and Google Analytics), adding 189 KiB and 169 ms of main-thread time.

3 long tasks block the main thread while loading, the longest for 107 ms. During a long task the page ignores taps.

Web fonts hide text while they load. Setting font-display: swap shows text immediately (about 50 ms).

7 KiB JavaScript is shipped twice across bundles.

Critical files load one after another instead of in parallel (3 chains). Preconnecting to key origins and preloading the hero image shortens the chain.

Scripts make the browser recalculate the layout repeatedly while the page loads, which wastes processor time on phones.

Real Chrome users on phones do not pass Google's Core Web Vitals on this page (28-day field data from the Chrome UX Report (opens in a new tab)). Google uses this in ranking.

Real visitors wait 2.0 s for your server to start answering (75th percentile). Good is under 800 ms.

The first text or image appears after 11.9 s on a phone. Good is under 1.8 s.

Your largest element takes 20.3 s to render on a phone. Google's threshold for “good” is 2.5 s. The largest element is the image “12 Volt Power Inverters”.

The page becomes fully interactive after 20.3 s. Good is under 3.8 s.

Visually, the page fills in at 11.9 s (Speed Index). Good is under 3.4 s.

Real visitors wait 3.4 s for the largest content to appear (75th percentile). Good is under 2.5 s.

Real visitors see the first content after 2.8 s (75th percentile). Good is under 1.8 s.

Your homepage downloads 4.0 MB in 118 requests on a phone: scripts 1.9 MB (54), stylesheets 1.4 MB (41) and images 499 KiB (16). Under 2 MB keeps phones on slow connections fast.

By the Sustainable Web Design model, a visit to your homepage emits about 1.13 g of CO₂e: 135.2 kg a year at 10,000 visits a month. It scales with page weight, so every byte cut lowers it.

Landmarks should have a unique role or role/label/title (i.e. accessible name) combination: 2 elements on the page fail this check, rated moderate by axe-core.

Banner landmark should not be contained in another landmark: 1 element on the page fails this check, rated moderate by axe-core.

Main landmark should not be contained in another landmark: 1 element on the page fails this check, rated moderate by axe-core.

Document should not have more than one banner landmark: 1 element on the page fails this check, rated moderate by axe-core.

Document should not have more than one main landmark: 1 element on the page fails this check, rated moderate by axe-core.

The viewport tag blocks pinch-zoom, which low-vision visitors rely on.

1 visible link has no text or label, so screen readers cannot say where it goes.

Your meta description is 167 characters; Google truncates after about 160, so the end of your pitch is cut.

The homepage links to 75 pages on 12voltsplus.com and 0 external pages.

There is no Organization (or LocalBusiness) JSON-LD, so search engines and AI assistants have no machine-readable facts about who runs the site: its name, logo, profiles and contact details.

There is no https://12voltsplus.com/llms.txt, a short Markdown guide to your key pages for AI tools (llmstxt.org). It is optional and few AI tools read it yet, so treat it as a cheap extra.

We fetched 15 pages linked from your homepage (of 38 found) and read each the way a search engine does.

3 of 15 tappable elements near the top of the page are smaller than 24 px, hard to hit with a thumb.

1 error was logged to the browser console while the page loaded, for example “Failed to load resource: the server responded with a status of 401 ()”.

10 images are displayed at the wrong aspect ratio, so they look stretched or squashed.

On a phone, there is no call to action on the first screen: visitors have to scroll to find out what to do next.

No testimonials, customer logos, ratings or customer counts on the homepage: nothing tells a new visitor that others already trust you.

No phone number or email link on the homepage, so ready-to-buy visitors have one fewer way to reach you.

The homepage has only about 138 words of visible text; thin pages give Google and first-time buyers little to go on.

No guarantee or risk reducer (money-back, free trial, no credit card) is mentioned, which is often what tips a hesitant visitor.

The page uses urgency cues (a countdown or limited-time wording).

Before a visitor clicks anything, the page loads Google Ads, Google Analytics and Google Tag Manager (measured from a US location before any click). No consent tool was detected. Visitors from the EU, UK and several US states must be asked first.

Opening the homepage sets 14 cookies (measured from a US location before any click).

No known cookie consent tool loads with the page. Some sites build their own banner, and some only show one to visitors from the EU.

Loading the homepage contacts 5 hosts run by other companies (fonts, scripts, analytics, ads), each of which sees the visitor's IP address.