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magnacharger.com website review

Visit site (opens in a new tab)Reviewed 5 November 202631 issues · 81 checks

This review found 31 issues worth fixing on magnacharger.com, 8 of them high impact, across 81 checks. The most urgent: fails Core Web Vitals for real visitors. Your full playbook turns these into prioritised fixes alongside reviews, competitors and channels.

  1. Homepage
  2. Phone render
  3. Links and pages
  4. Google PageSpeed

Google PageSpeed Insights (opens in a new tab), mobile

Real-visitor load time (LCP)75th percentile, phones
1.1 s959 msMay 16Oct 31981 ms
Show as table
DateReal-visitor load time (LCP)
May 16, 20261.1 s
May 23, 20261.1 s
May 30, 20261.1 s
Jun 6, 20261.1 s
Jun 13, 20261.1 s
Jun 20, 20261.1 s
Jun 27, 20261.1 s
Jul 4, 20261.0 s
Jul 11, 20261.0 s
Jul 18, 20261.0 s
Jul 25, 20261.0 s
Aug 1, 20261.0 s
Aug 8, 20261.0 s
Aug 15, 2026982 ms
Aug 22, 2026984 ms
Aug 29, 2026976 ms
Sep 5, 2026981 ms
Sep 12, 2026987 ms
Sep 19, 2026983 ms
Sep 26, 2026992 ms
Oct 3, 2026992 ms
Oct 10, 2026990 ms
Oct 17, 2026989 ms
Oct 24, 2026988 ms
Oct 31, 2026981 ms
Real-visitor tap response (INP)75th percentile, phones
96 ms79 msMay 16Oct 3194 ms
Show as table
DateReal-visitor tap response (INP)
May 16, 202681 ms
May 23, 202682 ms
May 30, 202684 ms
Jun 6, 202685 ms
Jun 13, 202685 ms
Jun 20, 202685 ms
Jun 27, 202684 ms
Jul 4, 202683 ms
Jul 11, 202682 ms
Jul 18, 202682 ms
Jul 25, 202683 ms
Aug 1, 202683 ms
Aug 8, 202685 ms
Aug 15, 202685 ms
Aug 22, 202686 ms
Aug 29, 202687 ms
Sep 5, 202687 ms
Sep 12, 202687 ms
Sep 19, 202687 ms
Sep 26, 202687 ms
Oct 3, 202688 ms
Oct 10, 202688 ms
Oct 17, 202689 ms
Oct 24, 202691 ms
Oct 31, 202694 ms

Chrome UX Report (opens in a new tab): real Chrome visitors over rolling 28-day periods.

One score from every part of this review. How it works

Full-page screenshot of magnacharger.com (phone) rendered by Google PageSpeed Insights

How it loaded on a phone

  1. magnacharger.com at 0.5 s0.5 s
  2. magnacharger.com at 1.0 s1.0 s
  3. magnacharger.com at 1.4 s1.4 s
  4. magnacharger.com at 1.9 s1.9 s
  5. magnacharger.com at 2.4 s2.4 s
  6. magnacharger.com at 2.9 s2.9 s
  7. magnacharger.com at 3.4 s3.4 s
  8. magnacharger.com at 3.8 s3.8 s

Speed

5 to fix66
  • Use efficient cache lifetimes

    850 ms · 181 KiB

    13 files are served with short cache lifetimes, so returning visitors download them again (181 KiB).

  • Mobile performance score: 66

    66/100

    Your mobile performance score is 66. Pages that score under 90 lose visitors before the first paint.

  • Reduce unused JavaScript

    690 ms · 183 KiB

    About 183 KiB of JavaScript is downloaded but never used on this page. Google estimates it would make the page about 690 ms faster on a phone.

  • Render-blocking requests

    750 ms

    3 files block the first paint until they finish downloading. Deferring or inlining them could save about 750 ms.

  • Improve image delivery

    450 ms · 109 KiB

    2 images could be 109 KiB smaller with modern formats (WebP or AVIF) and sizes that fit a phone screen. Google estimates it would make the page about 450 ms faster on a phone.

  • 8 third-party services on the page

    8 third-party services load with your homepage (Facebook, cloudfront.net and Shopify and others), adding 394 KiB and 293 ms of main-thread time.

  • Reduce unused CSS

    150 ms · 34 KiB

    About 34 KiB of CSS is downloaded but never applied on this page. Google estimates it would make the page about 150 ms faster on a phone.

  • Legacy JavaScript

    150 ms · 23 KiB

    Polyfills for old browsers add 23 KiB JavaScript that modern phones do not need. Google estimates it would make the page about 150 ms faster on a phone.

  • 1 long task on the main thread

    1 long task block the main thread while loading, the longest for 87 ms. During a long task the page ignores taps.

  • Chained critical requests

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

  • Forced reflow

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

2 checks passed
  • Main-thread work: 1.8 s

    A phone's processor spends 1.8 s on main-thread work while loading, 553 ms of it running JavaScript. That is comfortably low.

  • Server response: 15 ms

    15 ms

    Your server sent the HTML in 15 ms, well inside Google's 600 ms guideline.

Core Web Vitals

6 to fix67
  • Fails Core Web Vitals for real visitors

    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.

  • Largest Contentful Paint: 12.2 s

    12.2 s

    Your largest element takes 12.2 s to render on a phone. Google's threshold for “good” is 2.5 s. The largest element is the image.

  • Time to Interactive: 12.4 s

    12.4 s

    The page becomes fully interactive after 12.4 s. Good is under 3.8 s.

  • Speed Index: 6.3 s

    6.3 s

    Visually, the page fills in at 6.3 s (Speed Index). Good is under 3.4 s.

  • Real-user CLS: 0.16

    0.16

    For real visitors the layout shifts by 0.16 (75th percentile). Good is under 0.1.

  • First Contentful Paint: 2.6 s

    2.6 s

    The first text or image appears after 2.6 s on a phone. Good is under 1.8 s.

  • Tap response (INP) got 13% slower for real visitors

    +13%

    Over the last 25 four-week periods to 2026-10-31, real Chrome visitors' tap response (inp) went from 81 ms to 94 ms at the 75th percentile (Chrome UX Report (opens in a new tab) history).

7 checks passed
  • Real-user LCP: 1.1 s

    1.1 s

    Real visitors wait 1.1 s for the largest content to appear (75th percentile). Good is under 2.5 s.

  • Real-user INP: 119 ms

    119 ms

    Real visitors wait 119 ms for the page to respond to a tap (75th percentile). Good is under 200 ms.

  • Real-user FCP: 1.0 s

    1.0 s

    Real visitors see the first content after 1.0 s (75th percentile). Good is under 1.8 s.

  • Real-user TTFB: 525 ms

    525 ms

    Real visitors wait 525 ms for your server to start answering (75th percentile). Good is under 800 ms.

  • Largest content (LCP) got 10% faster for real visitors

    -10%

    Over the last 25 four-week periods to 2026-10-31, real Chrome visitors' largest content (lcp) went from 1.1 s to 1.0 s at the 75th percentile (Chrome UX Report (opens in a new tab) history).

  • Cumulative Layout Shift: 0

    0

    The layout barely moves while loading (CLS 0, good is under 0.1).

  • Total Blocking Time: 19 ms

    19 ms

    Scripts block the page for only 19 ms while loading. Good is under 200 ms.

Images and page weight

1 to fix85
  • Page weight: 2.1 MB in 207 requests

    2.1 MB

    Your homepage downloads 2.1 MB in 207 requests on a phone: other files 762 KiB (116), images 562 KiB (34) and scripts 539 KiB (46). Under 2 MB keeps phones on slow connections fast.

  • 1 image below the first screen load straight away

    1 image further down the page (47 KiB) download before anyone scrolls to it. Adding loading="lazy" lets the first screen load first.

  • About 0.6 g of CO₂ per visit

    0.59 g

    By the Sustainable Web Design model, a visit to your homepage emits about 0.59 g of CO₂e: 70.9 kg a year at 10,000 visits a month. It scales with page weight, so every byte cut lowers it.

2 checks passed
  • Images use modern formats

    Every sizeable image is WebP, AVIF or SVG.

  • Images are sized for phones

    No image is downloaded at more than three times the size it is drawn on a phone.

Accessibility

6 to fixGoogle 9593
  • Unlabelled dropdowns

    3 dropdowns have no label.

  • Scrollable region must have keyboard access (1 element)

    Scrollable region must have keyboard access: 1 element on the page fails this check, rated serious by axe-core.

  • All page content should be contained by landmarks (8 elements)

    All page content should be contained by landmarks: 8 elements on the page fail this check, rated moderate by axe-core.

  • 10 links without text

    10 visible links have no text or label, so screen readers cannot say where they go.

  • 4 form fields without a label

    4 form fields have no label, so screen readers announce an empty box and autofill guesses.

  • Alternative text of images should not be repeated as text (3 elements)

    Alternative text of images should not be repeated as text: 3 elements on the page fail this check, rated minor by axe-core.

2 checks passed
  • Every image has alt text

    All 22 images in the HTML carry an alt attribute.

  • 52 automated accessibility rules passed

    axe-core 4.13.0, the open-source engine behind most accessibility testing tools, ran 56 WCAG 2.2 A/AA and best-practice rules on the phone render: 52 passed and 4 failed. 1 more need a person to judge. Automated rules catch about a third of accessibility problems; the rest need manual testing.

SEO

4 to fixGoogle 8588
  • Meta description is long (194 characters)

    Your meta description is 194 characters; Google truncates after about 160, so the end of your pitch is cut.

  • No social preview image

    No Open Graph image, so links shared on LinkedIn, Slack or Facebook show no preview picture.

  • 2 links with vague text

    2 links use generic text like “click here” or “learn more”, which tells Google nothing about the page behind them.

  • 1 link crawlers can't follow

    1 link has no real href, so search engines can't follow it.

  • 126 internal links, 7 external

    The homepage links to 126 pages on magnacharger.com and 7 external pages.

6 checks passed
  • One H1 headline

    Your main headline reads: “Magnuson Superchargers Magnuson Superchargers”.

  • Title: 40 characters

    Your title is a healthy 40 characters: “More Horsepower | Magnuson Superchargers”.

  • Canonical URL set

    The canonical URL is https://magnusonsuperchargers.com/.

  • Structured data in place

    Structured data found: Organization, ProductGroup, WebPage and WebSite.

  • robots.txt in place

    robots.txt is in place and points crawlers to your sitemap.

  • XML sitemap found

    Your XML sitemap is reachable at https://magnusonsuperchargers.com/sitemap.xml.

AI search readiness

100
3 checks passed
  • AI answer engines may read the site

    Your robots.txt lets the crawlers behind ChatGPT search, Claude and Perplexity read the site and cite it in answers.

  • Organization data: 6 of 6 facts

    Your Organization JSON-LD gives name, url, logo, sameAs (social profiles), description and contact details.

  • llms.txt published

    The site publishes https://magnusonsuperchargers.com/llms.txt (6 KiB, 8 links), a plain-text guide to the site for AI tools.

Other pages

4 to fix68
  • 1 page without a title

    https://magnusonsuperchargers.com/customer_authentication/redirect has no <title>, so Google invents the link text in results.

  • 1 linked page hidden from search

    https://magnusonsuperchargers.com/customer_authentication/redirect is marked noindex but linked from your homepage. If it is meant to be found, remove the noindex.

  • 13 pages without a meta description

    https://magnusonsuperchargers.com/collections/merchandise, https://magnusonsuperchargers.com/customer_authentication/redirect, https://magnusonsuperchargers.com/collections/cadillac, https://magnusonsuperchargers.com/collections/cts-v, https://magnusonsuperchargers.com/collections/escalade and https://magnusonsuperchargers.com/collections/chevrolet and 7 others have no meta description, so Google writes the search snippet from whatever text it finds.

  • 1 page without an H1

    https://magnusonsuperchargers.com/customer_authentication/redirect has no <h1> headline, so visitors and search engines get no clear main topic.

  • 15 internal pages checked

    We fetched 15 pages linked from your homepage (of 105 found) and read each the way a search engine does.

3 checks passed
  • Linked pages load

    All 15 pages we checked loaded without an error.

  • Canonical URLs point to themselves

    No page we checked hands its ranking to a different URL.

  • Titles are unique

    Every page we checked has its own title.

Best practices

1 to fixGoogle 9693
  • 2 JavaScript errors while loading

    2 errors were logged to the browser console while the page loaded, for example “Access to XMLHttpRequest at 'https://api-sbcar.apolomultimedia.com/assets/css/searchbycar.css?1793860412458' from origi…”.

2 checks passed
  • Tap targets are thumb-sized

    28 of 30 tappable elements near the top are at least 24 px.

  • Mobile viewport set

    The page declares a mobile viewport.

Content and conversion

3 to fix78
  • No social proof

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

  • Local business without LocalBusiness data

    Your homepage shows a street address but no LocalBusiness JSON-LD, so Google and AI assistants have to guess your address, hours and phone from the page text.

  • Only about 144 words

    The homepage has only about 144 words of visible text; thin pages give Google and first-time buyers little to go on.

  • No opening hours

    The homepage shows no opening hours. If customers visit or call, show when.

  • No map or directions link

    There is no link to Google or Apple Maps. A directions link is one tap for a phone visitor.

  • No risk reducer

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

6 checks passed
  • Clear next step on the first screen

    On a phone, the first screen shows a clear next step: “Learn More”.

  • 8 calls to action

    The homepage has 8 calls to action, for example “Contact Us”, “Order note” and “Apply”.

  • 6 short forms

    6 short forms (1 field at most) are right on the homepage.

  • Analytics in place

    Analytics detected: Microsoft Clarity.

  • Direct contact links

    Visitors can reach you directly: 1 phone link and 1 email link.

  • Phone number on the homepage

    Your phone number is on the homepage as a tap-to-call link.

Privacy and tracking

1 to fix
  • 4 trackers load before any consent

    4

    Before a visitor clicks anything, the page loads Google Ads, Google Analytics, Google Tag Manager and Meta Pixel (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.

  • 11 cookies set on arrival

    11

    Opening the homepage sets 11 cookies (measured from a US location before any click).

  • No consent tool detected

    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.

  • 20 other companies contacted

    Loading the homepage contacts 20 hosts run by other companies (fonts, scripts, analytics, ads), each of which sees the visitor's IP address.

Security, domain, email and software versions

The security, domain and email checks, software and plugin versions, and any app with a known security problem are visible only to people at magnacharger.com, because details like these could help someone attack a site. Every review keeps them private, whatever they found.

Apps on your store

Your storefront loads 5 apps. Each one is code from another company running for your shoppers.

Apps your storefront loads

Pandectes Gdpr · Helium Customer Fields · Gdpr Cookie Consent · cloudfront.net · adroll.com

Apps found in the homepage's code. Apps that only run in checkout or the admin aren't seen, and a headless storefront shows none. App data from programmable.info

Upkeep, stack and company

Stack

Framework
Tailwind CSS
E-commerce
Shopify
Hosting
Shopify

Company

Headquarters
Ventura

Upkeep, stack, hiring and company data from programmable.info

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