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perfectshaker.com website review
Visit site (opens in a new tab)Reviewed 6 November 202638 issues · 79 checks
This review found 38 issues worth fixing on perfectshaker.com, 12 of them high impact, across 79 checks. The most urgent: reduce unused JavaScript. Your full playbook turns these into prioritised fixes alongside reviews, competitors and channels.
- Homepage
- Phone render
- Links and pages
- Google PageSpeed
Google PageSpeed Insights (opens in a new tab), mobile
Site score
75C- #65,853 of 99,776 reviewed websitesbeats 30%
- #40,613 of 54,771 online storesbeats 22%
- #38,285 of 49,716 Shopify storesbeats 19%
Closest competitors among Shopify stores
Compare side by sideShow as table
| Date | Real-visitor load time (LCP) |
|---|---|
| May 16, 2026 | 1.5 s |
| May 23, 2026 | 1.6 s |
| May 30, 2026 | 1.7 s |
| Jun 6, 2026 | 1.6 s |
| Jun 13, 2026 | 1.6 s |
| Jun 20, 2026 | 1.4 s |
| Jun 27, 2026 | 1.4 s |
| Jul 4, 2026 | 1.4 s |
| Jul 11, 2026 | 1.4 s |
| Jul 18, 2026 | 1.3 s |
| Jul 25, 2026 | 1.3 s |
| Aug 1, 2026 | 1.3 s |
| Aug 8, 2026 | 1.2 s |
| Aug 15, 2026 | 1.2 s |
| Aug 22, 2026 | 1.1 s |
| Aug 29, 2026 | 1.1 s |
| Sep 5, 2026 | 1.1 s |
| Sep 12, 2026 | 1.2 s |
| Sep 19, 2026 | 1.2 s |
| Sep 26, 2026 | 1.2 s |
| Oct 3, 2026 | 1.2 s |
| Oct 10, 2026 | 1.1 s |
| Oct 17, 2026 | 1.2 s |
| Oct 24, 2026 | 1.1 s |
| Oct 31, 2026 | 1.1 s |
Show as table
| Date | Real-visitor tap response (INP) |
|---|---|
| May 16, 2026 | 86 ms |
| May 23, 2026 | 100 ms |
| May 30, 2026 | 128 ms |
| Jun 6, 2026 | 128 ms |
| Jun 13, 2026 | 128 ms |
| Jun 20, 2026 | 117 ms |
| Jun 27, 2026 | 113 ms |
| Jul 4, 2026 | 112 ms |
| Jul 11, 2026 | 110 ms |
| Jul 18, 2026 | 104 ms |
| Jul 25, 2026 | 113 ms |
| Aug 1, 2026 | 115 ms |
| Aug 8, 2026 | 113 ms |
| Aug 15, 2026 | 116 ms |
| Aug 22, 2026 | 96 ms |
| Aug 29, 2026 | 95 ms |
| Sep 5, 2026 | 99 ms |
| Sep 12, 2026 | 104 ms |
| Sep 19, 2026 | 121 ms |
| Sep 26, 2026 | 122 ms |
| Oct 3, 2026 | 129 ms |
| Oct 10, 2026 | 120 ms |
| Oct 17, 2026 | 134 ms |
| Oct 24, 2026 | 136 ms |
| Oct 31, 2026 | 121 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
How it loaded on a phone
0.6 s
1.2 s
1.8 s
2.4 s
3.1 s
3.7 s
4.3 s
4.9 s
Speed
Reduce unused JavaScript
1.1 s · 199 KiBAbout 199 KiB of JavaScript is downloaded but never used on this page. Google estimates it would make the page about 1.1 s faster on a phone.
3,940 HTML elements
The page has 3,940 HTML elements. Above 1,500, rendering and every interaction get slower on phones.
Mobile performance score: 59
59/100Your mobile performance score is 59. Pages that score under 90 lose visitors before the first paint.
Render-blocking requests
950 ms5 files block the first paint until they finish downloading. Deferring or inlining them could save about 950 ms.
8 third-party services on the page
8 third-party services load with your homepage (Shopify, gemcommerce.com and Klaviyo and others), adding 3.0 MB and 587 ms of main-thread time.
Shopify adds 250 ms
250 msShopify costs a phone 250 ms of main-thread work and 2.6 MB of downloads while your page loads. Loading it after the page is usable, or only on the pages that need it, takes that off the critical path.
Main-thread work: 3.6 s
A phone's processor spends 3.6 s on main-thread work while loading, 977 ms of it running JavaScript. Above 2 s, taps and scrolls feel sluggish.
Reduce unused CSS
300 ms · 32 KiBAbout 32 KiB of CSS is downloaded but never applied on this page. Google estimates it would make the page about 300 ms faster on a phone.
6 long tasks on the main thread
6 long tasks block the main thread while loading, the longest for 207 ms. During a long task the page ignores taps.
Use efficient cache lifetimes
50 ms · 28 KiB8 files are served with short cache lifetimes, so returning visitors download them again (28 KiB).
Legacy JavaScript
19 KiBPolyfills for old browsers add 19 KiB JavaScript that modern phones do not need.
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.
1 checks passed
Server response: 39 ms
39 msYour server sent the HTML in 39 ms, well inside Google's 600 ms guideline.
Core Web Vitals
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: 20.3 s
20.3 sYour 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 element shown below.
Time to Interactive: 20.4 s
20.4 sThe page becomes fully interactive after 20.4 s. Good is under 3.8 s.
Speed Index: 6.9 s
6.9 sVisually, the page fills in at 6.9 s (Speed Index). Good is under 3.4 s.
Real-user LCP: 3.0 s
3.0 sReal visitors wait 3.0 s for the largest content to appear (75th percentile). Good is under 2.5 s.
Tap response (INP) got 38% slower for real visitors
+38%Over the last 25 four-week periods to 2026-10-31, real Chrome visitors' tap response (inp) went from 86 ms to 121 ms at the 75th percentile (Chrome UX Report (opens in a new tab) history).
Total Blocking Time: 341 ms
341 msScripts block taps and scrolling for 341 ms in total while the page loads. Good is under 200 ms.
First Contentful Paint: 2.1 s
2.1 sThe first text or image appears after 2.1 s on a phone. Good is under 1.8 s.
1 image without width and height
1 image have no width and height attributes, so the layout jumps as each one loads.
4 checks passed
Real-user CLS: 0.01
0.01For real visitors the layout shifts by 0.01 (75th percentile). Good is under 0.1.
Real-user FCP: 1.5 s
1.5 sReal visitors see the first content after 1.5 s (75th percentile). Good is under 1.8 s.
Largest content (LCP) got 28% faster for real visitors
-28%Over the last 25 four-week periods to 2026-10-31, real Chrome visitors' largest content (lcp) went from 1.5 s to 1.1 s at the 75th percentile (Chrome UX Report (opens in a new tab) history).
Cumulative Layout Shift: 0.011
0.011The layout barely moves while loading (CLS 0.011, good is under 0.1).
Images and page weight
Page weight: 4.2 MB in 200 requests
4.2 MBYour homepage downloads 4.2 MB in 200 requests on a phone: images 2.6 MB (13), other files 790 KiB (101) and scripts 594 KiB (68). Under 2 MB keeps phones on slow connections fast.
3 images below the first screen load straight away
3 images further down the page (1.0 MB) download before anyone scrolls to them. Adding loading="lazy" lets the first screen load first.
1 image far larger than shown
347 KiB1 image is downloaded at several times the size a phone draws it, for example P1210608.jpg at 2,584 px wide, shown at 390 px. Resized copies would save about 347 KiB.
About 1.2 g of CO₂ per visit
1.20 gBy the Sustainable Web Design model, a visit to your homepage emits about 1.20 g of CO₂e: 144.1 kg a year at 10,000 visits a month. It scales with page weight, so every byte cut lowers it.
1 checks passed
Images use modern formats
Every sizeable image is WebP, AVIF or SVG.
Accessibility
ARIA attributes must conform to valid values (1 element)
ARIA attributes must conform to valid values: 1 element on the page fails this check, rated critical by axe-core.
Elements must only use permitted ARIA attributes (5 elements)
Elements must only use permitted ARIA attributes: 5 elements on the page fail this check, rated serious by axe-core.
4 tap targets too small
4 tap targets are too small or too close together to hit reliably with a finger.
26 images without alt text
26 images have no alt text, which hurts accessibility and image search.
All page content should be contained by landmarks (1 element)
All page content should be contained by landmarks: 1 element on the page fails this check, rated moderate by axe-core.
4 links without text
4 visible links have no text or label, so screen readers cannot say where they go.
Headings should not be empty (1 element)
Headings should not be empty: 1 element on the page fails this check, rated minor by axe-core.
1 checks passed
44 automated accessibility rules passed
axe-core 4.13.0, the open-source engine behind most accessibility testing tools, ran 51 WCAG 2.2 A/AA and best-practice rules on the phone render: 44 passed and 7 failed. 2 mores need a person to judge. Automated rules catch about a third of accessibility problems; the rest need manual testing.
SEO
No structured data
No structured data (JSON-LD), so Google can't show rich results such as your logo, ratings or FAQs.
3 H1 headlines
There are 3 <h1> headlines (“PerfectShaker”, “LUMA Stainless Steel Shaker with Straw, Insulated…” and “ACTIV Shaker Cup, Stainless Steel, Insulated 24hr…”). One clear main headline is easier for people and search engines.
88 internal links, 4 external
The homepage links to 88 pages on perfectshaker.com and 4 external pages.
6 checks passed
Meta description: 150 characters
Your meta description is 150 characters: “World's #1 custom shaker cup company. Logo-branded shaker bottles & cups — low minimums, 2–4 week turnaround, best-pric…”.
Title: 59 characters
Your title is a healthy 59 characters: “Custom Shaker Cups & Protein Shaker Bottles | PerfectShaker”.
Canonical URL set
The canonical URL is https://www.perfectshaker.com/.
Open Graph tags complete
Open Graph tags are complete, so shared links show a title, description and image.
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://www.perfectshaker.com/sitemap.xml.
AI search readiness
No Organization structured data
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.
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.
Text is in the HTML
Your server sends the page's text in the HTML (953 words), so crawlers that don't run JavaScript still read it.
llms.txt published
The site publishes https://www.perfectshaker.com/llms.txt (6 KiB, 8 links), a plain-text guide to the site for AI tools.
Other pages
3 pages without a meta description
https://www.perfectshaker.com/collections/clearance, https://www.perfectshaker.com/pages/why-perfectshaker and https://www.perfectshaker.com/pages/reorder have no meta description, so Google writes the search snippet from whatever text it finds.
2 pages without an H1
https://www.perfectshaker.com/collections/custom-stainless-steel-shaker-cups and https://www.perfectshaker.com/pages/reorder have 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 18 found) and read each the way a search engine does.
5 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.
No linked page is hidden from search
None of the pages we checked carries a noindex tag.
Every page has a title
All 15 pages that loaded have a <title>.
Best practices
1 broken image
1 image failed to load on a phone, for example https://www.perfectshaker.com/.
13 distorted images
13 images are displayed at the wrong aspect ratio, so they look stretched or squashed.
2 low-resolution images
2 images are served at too low a resolution for sharp phone screens.
3 checks passed
No console errors
No JavaScript errors were logged while the page loaded on a phone.
Tap targets are thumb-sized
33 of 39 tappable elements near the top are at least 24 px.
Mobile viewport set
The page declares a mobile viewport.
Content and conversion
Thin social proof
Social proof on the homepage: a star rating. Pairing it with named testimonials or customer logos makes it far more convincing.
No analytics detected
No analytics or tag manager detected in the HTML, so you can't measure whether any of these fixes work.
No direct contact details
No phone number or email link on the homepage, so ready-to-buy visitors have one fewer way to reach you.
About 659 words of copy
The homepage carries about 659 words of visible text.
4 checks passed
Clear next step on the first screen
On a phone, the first screen shows a clear next step: “SHOP STAINLESS” and “SHOP LUMA”.
32 calls to action
The homepage has 32 calls to action, for example “Shop”, “shop stainless” and “Shop luma”.
6 short forms
6 short forms (1 field at most) are right on the homepage.
Risk reducer mentioned
A guarantee or risk reducer (money-back, free trial, no credit card or similar) is mentioned on the page.
Privacy and tracking
6 trackers load before any consent
6Before a visitor clicks anything, the page loads Google Ads, Google Analytics, Google Tag Manager, Klaviyo and Meta Pixel and 1 more (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.
15 cookies set on arrival
15Opening the homepage sets 15 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.
27 other companies contacted
Loading the homepage contacts 27 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 perfectshaker.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 8 apps. Each one is code from another company running for your shoppers.
Apps your storefront loads
Klaviyo Email Marketing Sms · Customify · Minmaxify Order Limits · Gempages Builder · Hulk Discounts · Gempages Cro · Volume Discount By Hulkapps · Hulk Product Options
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
- Oakville
Upkeep, stack, hiring and company data from programmable.info
Go beyond the website
What your $25 Growth Playbook adds
This review found 38 issues on perfectshaker.com, including 17 speed issues, 2 SEO issues and 3 conversion gaps. That is the website alone. The full Growth Playbook pairs these findings with what your customers say in public reviews and communities and what your closest competitors do better, then turns everything into at least 20 prioritised ideas, each with the evidence behind it, a step-by-step playbook, a metric and an owner.
- 28 research agents read your site, reviews, competitors, communities and public filings
- Customer review mining (G2, Capterra, Trustpilot and more) and voice-of-pain analysis in your buyers’ own words
- Competitor intelligence with battlecards for your closest rivals
- Ideal customer profile, buyer segments and buying-stage funnel
- Ranked channels, outreach sequences and content angles
- Live Reddit threads where buyers ask for what you sell, with draft replies
- Earned media and PR openings
- At least 20 ideas with evidence, a step-by-step playbook, metric, owner, effort and impact, grouped into this week, this quarter, big bets and wildcards, plus a 30/60/90-day roadmap
- PDF, Markdown, CSV, Notion and Linear exports, and a shareable page your team can track progress on
- Refresh the playbook later to see what changed
14-day money-back guarantee: not happy for any reason, email us within 14 days and we refund in full.