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protoexpress.com website review
Visit site (opens in a new tab)Reviewed 27 October 202632 issues · 91 checks
This review found 32 issues worth fixing on protoexpress.com, 13 of them high impact, across 91 checks. The most urgent: render-blocking requests. 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
85BClosest competitors among reviewed websites
Compare side by sideShow as table
| Date | Real-visitor load time (LCP) |
|---|---|
| May 9, 2026 | 5.2 s |
| May 16, 2026 | 5.2 s |
| May 23, 2026 | 5.1 s |
| May 30, 2026 | 5.1 s |
| Jun 6, 2026 | 5.1 s |
| Jun 13, 2026 | 5.1 s |
| Jun 20, 2026 | 5.1 s |
| Jun 27, 2026 | 5.1 s |
| Jul 4, 2026 | 5.1 s |
| Jul 11, 2026 | 5.1 s |
| Jul 18, 2026 | 5.1 s |
| Jul 25, 2026 | 5.1 s |
| Aug 1, 2026 | 5.0 s |
| Aug 8, 2026 | 5.0 s |
| Aug 15, 2026 | 4.9 s |
| Aug 22, 2026 | 4.5 s |
| Aug 29, 2026 | 4.2 s |
| Sep 5, 2026 | 3.7 s |
| Sep 12, 2026 | 3.5 s |
| Sep 19, 2026 | 3.5 s |
| Sep 26, 2026 | 3.4 s |
| Oct 3, 2026 | 3.4 s |
| Oct 10, 2026 | 3.4 s |
| Oct 17, 2026 | 3.4 s |
| Oct 24, 2026 | 3.4 s |
Show as table
| Date | Real-visitor tap response (INP) |
|---|---|
| May 9, 2026 | 167 ms |
| May 16, 2026 | 159 ms |
| May 23, 2026 | 163 ms |
| May 30, 2026 | 158 ms |
| Jun 6, 2026 | 162 ms |
| Jun 13, 2026 | 174 ms |
| Jun 20, 2026 | 169 ms |
| Jun 27, 2026 | 183 ms |
| Jul 4, 2026 | 181 ms |
| Jul 11, 2026 | 171 ms |
| Jul 18, 2026 | 168 ms |
| Jul 25, 2026 | 144 ms |
| Aug 1, 2026 | 135 ms |
| Aug 8, 2026 | 129 ms |
| Aug 15, 2026 | 135 ms |
| Aug 22, 2026 | 132 ms |
| Aug 29, 2026 | 130 ms |
| Sep 5, 2026 | 129 ms |
| Sep 12, 2026 | 126 ms |
| Sep 19, 2026 | 126 ms |
| Sep 26, 2026 | 128 ms |
| Oct 3, 2026 | 133 ms |
| Oct 10, 2026 | 140 ms |
| Oct 17, 2026 | 150 ms |
| Oct 24, 2026 | 156 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
0.4 s
0.8 s
1.1 s
1.5 s
1.9 s
2.3 s
2.6 s
3.0 s
Speed
Render-blocking requests
2.0 s10 files block the first paint until they finish downloading. Deferring or inlining them could save about 2.0 s.
Use efficient cache lifetimes
1.2 s · 192 KiB10 files are served with short cache lifetimes, so returning visitors download them again (192 KiB).
Mobile performance score: 80
80/100Your mobile performance score is 80 (desktop: 99). Pages that score under 90 lose visitors before the first paint.
Improve image delivery
450 ms · 142 KiB5 images could be 142 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.
Reduce unused CSS
300 ms · 83 KiBAbout 83 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.
Wistia adds 0 ms
0 msWistia costs a phone 0 ms of main-thread work and 758 KiB 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.
Reduce unused JavaScript
150 ms · 75 KiBAbout 75 KiB of JavaScript is downloaded but never used on this page. Google estimates it would make the page about 150 ms faster on a phone.
2 third-party services on the page
2 third-party services load with your homepage (Evergage and Wistia), adding 820 KiB and 81 ms of main-thread time.
2 long tasks on the main thread
2 long tasks block the main thread while loading, the longest for 120 ms. During a long task the page ignores taps.
Minify JavaScript
16 KiB16 KiB could be saved by minifying JavaScript.
Legacy JavaScript
12 KiBPolyfills for old browsers add 12 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.
2 checks passed
Main-thread work: 0.5 s
A phone's processor spends 0.5 s on main-thread work while loading, 192 ms of it running JavaScript. That is comfortably low.
Server response: 98 ms
98 msYour server sent the HTML in 98 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.
Real-user LCP: 5.3 s
5.3 sReal visitors wait 5.3 s for the largest content to appear (75th percentile). Good is under 2.5 s.
Real-user FCP: 3.8 s
3.8 sReal visitors see the first content after 3.8 s (75th percentile). Good is under 1.8 s.
Real-user TTFB: 2.3 s
2.3 sReal visitors wait 2.3 s for your server to start answering (75th percentile). Good is under 800 ms.
Largest Contentful Paint: 4.7 s
4.7 sYour largest element takes 4.7 s to render on a phone. Google's threshold for “good” is 2.5 s. The largest element is the text “With AI-driven humanoid robots at the forefront of innovati…”.
Time to Interactive: 4.8 s
4.8 sThe page becomes fully interactive after 4.8 s. Good is under 3.8 s.
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.
9 images without width and height
9 images have no width and height attributes, so the layout jumps as each one loads.
Tap response (INP) held steady for real visitors
-6%Over the last 25 four-week periods to 2026-10-24, real Chrome visitors' tap response (inp) went from 167 ms to 156 ms at the 75th percentile (Chrome UX Report (opens in a new tab) history).
6 checks passed
Real-user INP: 123 ms
123 msReal visitors wait 123 ms for the page to respond to a tap (75th percentile). Good is under 200 ms.
Real-user CLS: 0.05
0.05For real visitors the layout shifts by 0.05 (75th percentile). Good is under 0.1.
Largest content (LCP) got 34% faster for real visitors
-34%Over the last 25 four-week periods to 2026-10-24, real Chrome visitors' largest content (lcp) went from 5.2 s to 3.4 s at the 75th percentile (Chrome UX Report (opens in a new tab) history).
Speed Index: 3.3 s
3.3 sVisually, the page fills in at 3.3 s (Speed Index), inside the 3.4 s “good” threshold.
Total Blocking Time: 76 ms
76 msScripts block the page for only 76 ms while loading. Good is under 200 ms.
Cumulative Layout Shift: 0
0The layout barely moves while loading (CLS 0, good is under 0.1).
Images and page weight
1 image far larger than shown
16 KiB1 image is downloaded at several times the size a phone draws it, for example new-industry_automotive.webp at 1,200 px wide, shown at 351 px. Resized copies would save about 16 KiB.
5 images below the first screen load straight away
5 images further down the page (190 KiB) download before anyone scrolls to them. Adding loading="lazy" lets the first screen load first.
About 0.4 g of CO₂ per visit
0.40 gBy the Sustainable Web Design model, a visit to your homepage emits about 0.40 g of CO₂e: 47.6 kg a year at 10,000 visits a month. It scales with page weight, so every byte cut lowers it.
2 checks passed
Page weight: 1.4 MB in 42 requests
1.4 MBYour homepage downloads 1.4 MB in 42 requests on a phone: media 758 KiB (1), images 298 KiB (20) and scripts 128 KiB (3). That is a lean page.
Images use modern formats
Every sizeable image is WebP, AVIF or SVG.
Accessibility
Input buttons must have discernible text (1 element)
Input buttons must have discernible text: 1 element on the page fails this check, rated critical by axe-core.
Delayed refresh under 20 hours must not be used (1 element)
Delayed refresh under 20 hours must not be used: 1 element on the page fails this check, rated critical by axe-core.
10 text elements with low contrast
10 text elements don't have enough contrast against the background to read easily, especially outdoors on a phone.
Links look like plain text
1 link inside paragraphs relies on colour alone to stand out.
1 tap target too small
1 tap target is too small or too close together to hit reliably with a finger.
11 images without alt text
11 images have no alt text, which hurts accessibility and image search.
All page content should be contained by landmarks (143 elements)
All page content should be contained by landmarks: 143 elements on the page fail this check, rated moderate by axe-core.
No main landmark
The page has no <main> landmark, so screen-reader users cannot jump straight to the content.
The skip-link target should exist and be focusable (1 element)
The skip-link target should exist and be focusable: 1 element on the page fails this check, rated moderate by axe-core.
9 links without text
9 visible links have no text or label, so screen readers cannot say where they go.
6 form fields without a label
6 form fields have no label, so screen readers announce an empty box and autofill guesses.
Headings skip levels
Headings skip levels (h1 → h5), which makes the page harder to scan with a screen reader.
<td> elements in a large <table> do not have table headers.
<td> elements in a large <table> do not have table headers. (1 element).
1 checks passed
42 automated accessibility rules passed
axe-core 4.13.0, the open-source engine behind most accessibility testing tools, ran 53 WCAG 2.2 A/AA and best-practice rules on the phone render: 42 passed and 11 failed. 1 more need a person to judge. Automated rules catch about a third of accessibility problems; the rest need manual testing.
SEO
No XML sitemap
No XML sitemap at https://www.protoexpress.com/post-sitemap.xml, so Google discovers your pages only by following links.
No favicon declared
No favicon is declared in the HTML, so browser tabs and Google's mobile results may show a generic icon.
1 link with vague text
1 link use generic text like “click here” or “learn more”, which tells Google nothing about the page behind it.
140 internal links, 16 external
The homepage links to 140 pages on protoexpress.com and 16 external pages.
7 checks passed
Meta description: 115 characters
Your meta description is 115 characters: “Since 1986, Sierra Circuits has been an industry leader in PCB prototype manufacturing, optimization, and assembly.”.
One H1 headline
Your main headline reads: “100% Made in USA: From Fab to Assembly”.
Title: 59 characters
Your title is a healthy 59 characters: “PCB Fabrication, Assembly, and Components | Sierra Circuits”.
Canonical URL set
The canonical URL is https://www.protoexpress.com/.
Structured data in place
Structured data found: BreadcrumbList, ImageObject, Organization, WebPage and WebSite.
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.
AI search readiness
4 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: 4 of 6 facts
Your Organization JSON-LD gives name, url, logo and sameAs (social profiles); description and contact details would complete it.
Text is in the HTML
Your server sends the page's text in the HTML (1,738 words), so crawlers that don't run JavaScript still read it.
llms.txt published
The site publishes https://www.protoexpress.com/llms.txt (50 KiB, 434 links), a plain-text guide to the site for AI tools.
Other pages
7 pages without an H1
https://www.protoexpress.com/products/online-pcb-manufacturing, https://www.protoexpress.com/products/rigid-pcb, https://www.protoexpress.com/products/flex-and-rigid-flex-pcb, https://www.protoexpress.com/products/uhdi-pcbs, https://www.protoexpress.com/products/hdi-printed-circuit-boards and https://www.protoexpress.com/products/microelectronics-pcb and 1 other 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 72 found) and read each the way a search engine does.
6 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.
Every page has a meta description
All 15 pages that loaded have a meta description.
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 JavaScript error while loading
1 error was logged to the browser console while the page loaded, for example “Failed to load resource: net::ERR_FAILED”.
2 checks passed
Tap targets are thumb-sized
13 of 15 tappable elements near the top are at least 24 px.
Mobile viewport set
The page declares a mobile viewport.
Content and conversion
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.
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.
About 1,407 words of copy
The homepage carries about 1,407 words of visible text.
8 checks passed
Clear next step on the first screen
On a phone, the first screen shows a clear next step: “Quote Now” and “Book a Tour”.
23 calls to action
The homepage has 23 calls to action, for example “Quote Now”, “Book a Tour” and “KiCad Quote Plugin”.
2 short forms
2 short forms (1 field at most) are right on the homepage.
Social proof on the page
Social proof on the homepage: 19 testimonial or review blocks, 18 customer or partner logos and 6 trust badges.
Analytics in place
Analytics detected: Google Tag Manager.
Direct contact links
Visitors can reach you directly: 5 phone links and 0 email links.
Phone number on the homepage
Your phone number is on the homepage as a tap-to-call link.
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
2 cookies set on arrival
2Opening the homepage sets 2 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.
3 other companies contacted
Loading the homepage contacts 3 hosts run by other companies (fonts, scripts, analytics, ads), each of which sees the visitor's IP address.
1 checks passed
No known trackers before consent
No known advertising or analytics trackers load before a visitor clicks anything (measured from a US location before any click).
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 protoexpress.com, because details like these could help someone attack a site. Every review keeps them private, whatever they found.
Upkeep, stack and company
Stack
- CMS
- WordPress
- Framework
- jQuery
- Analytics
- Google Tag Manager | FullStory
- Hosting
- Cogent
Company
- Employees
- 325
Upkeep, stack, hiring and company data from programmable.info
Go beyond the website
What your $25 Growth Playbook adds
This review found 32 issues on protoexpress.com, including 14 speed issues, 3 SEO issues and 1 conversion gap. 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.