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upsun.com website review
Visit site (opens in a new tab)Reviewed 3 November 202615 issues · 55 checks
This review found 15 issues worth fixing on upsun.com, 6 of them high impact, across 55 checks. The most urgent: fails Core Web Vitals for real visitors. Google's speed test didn't respond, so speed is not measured here; your full playbook measures it. Your full playbook turns these into prioritised fixes alongside reviews, competitors and channels.
Read the full growth playbook for Upsun
- Homepage
- Phone render
- Links and pages
- Google PageSpeed
Google PageSpeed Insights (opens in a new tab), mobile
Site score
Not scored yet: Google's speed test didn't run in this review. Re-run the review to get a score.
Show as table
| Date | Real-visitor load time (LCP) |
|---|---|
| May 16, 2026 | 5.1 s |
| May 23, 2026 | 5.4 s |
| May 30, 2026 | 5.6 s |
| Jun 6, 2026 | 5.8 s |
| Jun 13, 2026 | 5.7 s |
| Jun 20, 2026 | 5.7 s |
| Jun 27, 2026 | 5.9 s |
| Jul 4, 2026 | 5.6 s |
| Jul 11, 2026 | 5.2 s |
| Jul 18, 2026 | 4.9 s |
| Jul 25, 2026 | 4.6 s |
| Aug 1, 2026 | 4.5 s |
| Aug 8, 2026 | 4.4 s |
| Aug 15, 2026 | 4.3 s |
| Aug 22, 2026 | 4.2 s |
| Aug 29, 2026 | 4.1 s |
| Sep 5, 2026 | 4.2 s |
| Sep 12, 2026 | 4.4 s |
| Sep 19, 2026 | 4.5 s |
| Sep 26, 2026 | 4.4 s |
| Oct 3, 2026 | 4.2 s |
| Oct 10, 2026 | 4.1 s |
| Oct 17, 2026 | 4.1 s |
| Oct 24, 2026 | 4.1 s |
| Oct 31, 2026 | 4.1 s |
Show as table
| Date | Real-visitor tap response (INP) |
|---|---|
| May 16, 2026 | 296 ms |
| May 23, 2026 | 297 ms |
| May 30, 2026 | 309 ms |
| Jun 6, 2026 | 341 ms |
| Jun 13, 2026 | 354 ms |
| Jun 20, 2026 | 355 ms |
| Jun 27, 2026 | 344 ms |
| Jul 4, 2026 | 316 ms |
| Jul 11, 2026 | 263 ms |
| Jul 18, 2026 | 239 ms |
| Jul 25, 2026 | 211 ms |
| Aug 1, 2026 | 201 ms |
| Aug 8, 2026 | 205 ms |
| Aug 15, 2026 | 196 ms |
| Aug 22, 2026 | 198 ms |
| Aug 29, 2026 | 196 ms |
| Sep 5, 2026 | 189 ms |
| Sep 12, 2026 | 201 ms |
| Sep 19, 2026 | 208 ms |
| Sep 26, 2026 | 233 ms |
| Oct 3, 2026 | 264 ms |
| Oct 10, 2026 | 311 ms |
| Oct 17, 2026 | 358 ms |
| Oct 24, 2026 | 328 ms |
| Oct 31, 2026 | 327 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
Speed
Not measured in this review.
Core Web Vitals
Fails Core Web Vitals for real visitors
Real Chrome users on phones do not pass Google's Core Web Vitals on your site (28-day field data from the Chrome UX Report (opens in a new tab)). Google uses this in ranking.
Real-user LCP: 4.2 s
4.2 sReal visitors wait 4.2 s for the largest content to appear (75th percentile). Good is under 2.5 s.
Real-user FCP: 4.2 s
4.2 sReal visitors see the first content after 4.2 s (75th percentile). Good is under 1.8 s.
Real-user INP: 332 ms
332 msReal visitors wait 332 ms for the page to respond to a tap (75th percentile). Good is under 200 ms.
Real-user CLS: 0.22
0.22For real visitors the layout shifts by 0.22 (75th percentile). Good is under 0.1.
Real-user TTFB: 1.0 s
1.0 sReal visitors wait 1.0 s for your server to start answering (75th percentile). Good is under 800 ms.
Tap response (INP) got 10% slower for real visitors
+10%Over the last 25 four-week periods to 2026-10-31, real Chrome visitors' tap response (inp) went from 296 ms to 327 ms at the 75th percentile (Chrome UX Report (opens in a new tab) history).
1 checks passed
Largest content (LCP) got 22% faster for real visitors
-22%Over the last 25 four-week periods to 2026-10-31, real Chrome visitors' largest content (lcp) went from 5.1 s to 4.1 s at the 75th percentile (Chrome UX Report (opens in a new tab) history).
Images and page weight
Page weight: 2.0 MB
2.0 MBYour homepage downloads 2.0 MB on a phone, 478 KiB of it images (23%). Under 2 MB keeps phones on slow connections fast.
About 0.6 g of CO₂ per visit
0.57 gBy the Sustainable Web Design model, a visit to your homepage emits about 0.57 g of CO₂e: 68.7 kg a year at 10,000 visits a month. It scales with page weight, so every byte cut lowers it.
3 checks passed
Images use modern formats
Every sizeable image is WebP, AVIF or SVG.
Images load when needed
Images below the first screen wait until the visitor scrolls to them.
Images are sized for phones
No image is downloaded at more than three times the size it is drawn on a phone.
Accessibility
Positive tabindex
2 elements have a tabindex above 0, which scrambles the keyboard order.
Links must have discernible text (1 element)
Links must have discernible text: 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.
Headings skip levels
Headings skip levels (h1 → h3), which makes the page harder to scan with a screen reader.
2 checks passed
Every image has alt text
All 89 images in the HTML carry an alt attribute.
43 automated accessibility rules passed
axe-core 4.13.0, the open-source engine behind most accessibility testing tools, ran 47 WCAG 2.2 A/AA and best-practice rules on the phone render: 43 passed and 4 failed. Automated rules catch about a third of accessibility problems; the rest need manual testing.
SEO
Meta description is long (189 characters)
Your meta description is 189 characters; Google truncates after about 160, so the end of your pitch is cut.
158 internal links, 32 external
The homepage links to 158 pages on upsun.com and 32 external pages.
7 checks passed
One H1 headline
Your main headline reads: “The software factory for AI-human workflows”.
Title: 51 characters
Your title is a healthy 51 characters: “The software factory for AI-human workflows | Upsun”.
Canonical URL set
The canonical URL is https://upsun.com/.
Structured data in place
Structured data found: 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.
XML sitemap found
Your XML sitemap is reachable at https://upsun.com/sitemap-index.xml.
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: 5 of 6 facts
Your Organization JSON-LD gives name, url, logo, sameAs (social profiles) and contact details; description would complete it.
Text is in the HTML
Your server sends the page's text in the HTML (1,089 words), so crawlers that don't run JavaScript still read it.
llms.txt published
The site publishes https://upsun.com/llms.txt (195 KiB, 729 links), a plain-text guide to the site for AI tools.
Other pages
15 internal pages checked
We fetched 15 pages linked from your homepage (of 95 found) and read each the way a search engine does.
7 checks passed
Linked pages load
9 pages of 15 loaded without an error (the rest turned automated requests away).
Canonical URLs point to themselves
No page we checked hands its ranking to a different URL.
Every page has a meta description
All 9 pages that loaded have a meta description.
Titles are unique
Every page we checked has its own title.
Every page has an H1
Each page we checked has a main headline.
No linked page is hidden from search
None of the pages we checked carries a noindex tag.
Every page has a title
All 9 pages that loaded have a <title>.
Best practices
4 JavaScript errors while loading
4 errors were logged to the browser console while the page loaded, for example “The Content Security Policy directive 'frame-ancestors' is ignored when delivered via a <meta> element.”.
2 checks passed
Tap targets are thumb-sized
9 of 10 tappable elements near the top are at least 24 px.
Mobile viewport set
The page declares a mobile viewport.
Content and conversion
No call to action on the first screen
On a phone, there is no call to action on the first screen: visitors have to scroll to find out what to do next.
Thin social proof
Social proof on the homepage: 33 trust badges. Pairing it with named testimonials or customer logos makes it far more convincing.
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.
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.
About 592 words of copy
The homepage carries about 592 words of visible text.
3 checks passed
13 calls to action
The homepage has 13 calls to action, for example “Pricing”, “Talk to an expert” and “Try for free”.
2 short forms
2 short forms (1 field at most) are right on the homepage.
Analytics in place
Analytics detected: Google Tag Manager, Google Analytics and Heap.
Privacy and tracking
4 trackers load before any consent
4Before a visitor clicks anything, the page loads Google Ads, Google Analytics, Google Tag Manager and Microsoft Ads (measured from a US location before any click). A consent tool (TrustArc) is installed; check it blocks these until visitors agree where the law requires it.
6 cookies set on arrival
6Opening the homepage sets 6 cookies (measured from a US location before any click).
5 other companies contacted
Loading the homepage contacts 5 hosts run by other companies (fonts, scripts, analytics, ads), each of which sees the visitor's IP address.
1 checks passed
Consent tool: TrustArc
A consent management tool (TrustArc) loads with the page.
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 upsun.com, because details like these could help someone attack a site. Every review keeps them private, whatever they found.
Upkeep, stack and company
Stack
- Hosting
- Platform.sh SAS
Company
- Employees
- 291
- Founded
- 2010
- Headquarters
- Paris
Upkeep, stack, hiring and company data from programmable.info
Go beyond the website
What your $25 Growth Playbook adds
This review found 15 issues on upsun.com, including 6 speed issues, 1 SEO issue 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
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