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turboden.com website review

Visit site (opens in a new tab)Reviewed 26 October 202615 issues · 59 checks

This review found 15 issues worth fixing on turboden.com, 4 of them high impact, across 59 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
2.4 s1.5 sMay 9Oct 242.1 s
Show as table
DateReal-visitor load time (LCP)
May 9, 20261.6 s
May 16, 20261.6 s
May 23, 20261.6 s
May 30, 20261.7 s
Jun 6, 20261.8 s
Jun 13, 20261.9 s
Jun 20, 20261.9 s
Jun 27, 20261.9 s
Jul 4, 20261.8 s
Jul 11, 20262.0 s
Jul 18, 20261.9 s
Jul 25, 20261.9 s
Aug 1, 20261.9 s
Aug 8, 20261.9 s
Aug 15, 20262.0 s
Aug 22, 20262.2 s
Aug 29, 20262.3 s
Sep 5, 20262.2 s
Sep 12, 20262.1 s
Sep 19, 20262.1 s
Sep 26, 20262.2 s
Oct 3, 20262.2 s
Oct 10, 20262.1 s
Oct 17, 20262.2 s
Oct 24, 20262.1 s
Real-visitor tap response (INP)75th percentile, phones
113 ms90 msMay 9Oct 2495 ms
Show as table
DateReal-visitor tap response (INP)
May 9, 202696 ms
May 16, 202697 ms
May 23, 2026106 ms
May 30, 2026109 ms
Jun 6, 2026103 ms
Jun 13, 2026104 ms
Jun 20, 2026101 ms
Jun 27, 2026110 ms
Jul 4, 2026109 ms
Jul 11, 2026108 ms
Jul 18, 2026109 ms
Jul 25, 2026102 ms
Aug 1, 2026101 ms
Aug 8, 2026101 ms
Aug 15, 202698 ms
Aug 22, 202694 ms
Aug 29, 2026102 ms
Sep 5, 2026100 ms
Sep 12, 2026103 ms
Sep 19, 2026105 ms
Sep 26, 2026100 ms
Oct 3, 202698 ms
Oct 10, 202697 ms
Oct 17, 202693 ms
Oct 24, 202695 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 turboden.com (desktop) rendered by Google PageSpeed Insights

How it loaded on a phone

  1. turboden.com at 0.4 s0.4 s
  2. turboden.com at 0.8 s0.8 s
  3. turboden.com at 1.1 s1.1 s
  4. turboden.com at 1.5 s1.5 s
  5. turboden.com at 1.9 s1.9 s
  6. turboden.com at 2.3 s2.3 s
  7. turboden.com at 2.6 s2.6 s
  8. turboden.com at 3.0 s3.0 s

Speed

1 to fix97
  • Improve image delivery

    600 ms · 162 KiB

    3 images could be 162 KiB smaller with modern formats (WebP or AVIF) and sizes that fit a phone screen. Google estimates it would make the page about 600 ms faster on a phone.

  • Use efficient cache lifetimes

    150 ms · 34 KiB

    6 files are served with short cache lifetimes, so returning visitors download them again (34 KiB).

  • Render-blocking requests

    150 ms

    1 file blocks the first paint until they finish downloading. Deferring or inlining it could save about 150 ms.

  • 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.

3 checks passed
  • Mobile performance score: 97

    97/100

    Your mobile performance score is 97 (desktop: 100). That is in Google's “good” band (90 and up).

  • Main-thread work: 0.1 s

    A phone's processor spends 0.1 s on main-thread work while loading, 5 ms of it running JavaScript. That is comfortably low.

  • Server response: 1 ms

    1 ms

    Your server sent the HTML in 1 ms, well inside Google's 600 ms guideline.

Core Web Vitals

4 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.

  • Real-user LCP: 3.3 s

    3.3 s

    Real visitors wait 3.3 s for the largest content to appear (75th percentile). Good is under 2.5 s.

  • Largest content (LCP) got 36% slower for real visitors

    +36%

    Over the last 25 four-week periods to 2026-10-24, real Chrome visitors' largest content (lcp) went from 1.6 s to 2.1 s at the 75th percentile (Chrome UX Report (opens in a new tab) history).

  • Real-user TTFB: 953 ms

    953 ms

    Real visitors wait 953 ms for your server to start answering (75th percentile). Good is under 800 ms.

  • Tap response (INP) held steady for real visitors

    -3%

    Over the last 25 four-week periods to 2026-10-24, real Chrome visitors' tap response (inp) went from 96 ms to 95 ms at the 75th percentile (Chrome UX Report (opens in a new tab) history).

9 checks passed
  • Real-user INP: 103 ms

    103 ms

    Real visitors wait 103 ms for the page to respond to a tap (75th percentile). Good is under 200 ms.

  • Real-user CLS: 0.00

    0.00

    For real visitors the layout shifts by 0.00 (75th percentile). Good is under 0.1.

  • Real-user FCP: 1.6 s

    1.6 s

    Real visitors see the first content after 1.6 s (75th percentile). Good is under 1.8 s.

  • Largest Contentful Paint: 2.4 s

    2.4 s

    Your largest element renders in 2.4 s on a phone, inside Google's 2.5 s “good” threshold. The largest element is the image “Turboden ORC unit installed in an industrial hall”.

  • First Contentful Paint: 1.5 s

    1.5 s

    The first text or image appears after 1.5 s, inside the 1.8 s “good” threshold.

  • Time to Interactive: 2.4 s

    2.4 s

    The page is fully interactive after 2.4 s.

  • Cumulative Layout Shift: 0

    0

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

  • Speed Index: 1.5 s

    1.5 s

    Visually, the page fills in at 1.5 s (Speed Index), inside the 3.4 s “good” threshold.

  • Total Blocking Time: 0 ms

    0 ms

    Scripts block the page for only 0 ms while loading. Good is under 200 ms.

Images and page weight

1 to fix90
  • 1 image far larger than shown

    17 KiB

    1 image is downloaded at several times the size a phone draws it, for example hero-orc-plant.jpg at 1,079 px wide, shown at 342 px. Resized copies would save about 17 KiB.

  • 1 image in older formats

    1 image (180 KiB) is JPEG, PNG or GIF. The same pictures as WebP or AVIF are usually much smaller at the same quality, and every current browser shows them.

  • About 0.09 g of CO₂ per visit

    0.09 g

    By the Sustainable Web Design model, a visit to your homepage emits about 0.09 g of CO₂e: 11.4 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: 343 KiB in 8 requests

    343 KiB

    Your homepage downloads 343 KiB in 8 requests on a phone: images 334 KiB (5), HTML 6 KiB (1) and stylesheets 4 KiB (1). That is a lean page.

  • Images load when needed

    Images below the first screen wait until the visitor scrolls to them.

Accessibility

1 to fixGoogle 9597
  • 1 text element with low contrast

    1 text element doesn't have enough contrast against the background to read easily, especially outdoors on a phone.

2 checks passed
  • Every image has alt text

    All 19 images in the HTML carry an alt attribute.

  • 35 automated accessibility rules passed

    axe-core 4.13.0, the open-source engine behind most accessibility testing tools, ran 36 WCAG 2.2 A/AA and best-practice rules on the phone render: 35 passed and 1 failed. Automated rules catch about a third of accessibility problems; the rest need manual testing.

SEO

3 to fixGoogle 10089
  • No structured data

    No structured data (JSON-LD), so Google can't show rich results such as your logo, ratings or FAQs.

  • Meta description is long (166 characters)

    Your meta description is 166 characters; Google truncates after about 160, so the end of your pitch is cut.

  • Only 4 internal links

    The homepage links to only 4 pages on your own site, so visitors and crawlers find few routes into the rest of it.

  • No X (Twitter) card tag

    No twitter:card tag. X falls back to Open Graph, which is set, so this is minor.

6 checks passed
  • One H1 headline

    Your main headline reads: “cleanenergyahead”.

  • Title: 36 characters

    Your title is a healthy 36 characters: “Turboden S.p.A. | Clean energy ahead”.

  • Canonical URL set

    The canonical URL is https://www.turboden.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.turboden.com/sitemap.xml.

AI search readiness

1 to fix88
  • 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.

  • No llms.txt

    There is no https://www.turboden.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.

2 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 (831 words), so crawlers that don't run JavaScript still read it.

Other pages

1 to fix0
  • 2 linked pages are broken

    Your homepage links to https://www.turboden.com/privacy-policy and https://www.turboden.com/cookie-policy, which answer with an error. Visitors hit a dead end and search engines drop them.

  • 2 internal pages checked

    We fetched 2 pages linked from your homepage and read each the way a search engine does.

Best practices

2 to fixGoogle 9287
  • 4 small tap targets

    4 of 7 tappable elements near the top of the page are smaller than 24 px, hard to hit with a thumb.

  • 2 JavaScript errors while loading

    2 errors were logged to the browser console while the page loaded, for example “Executing inline script violates the following Content Security Policy directive 'default-src 'none''. Either the 'unsa…”.

  • Browser-reported issues

    Chrome logged issues while loading the page (“Content security policy”).

1 checks passed
  • Mobile viewport set

    The page declares a mobile viewport.

Content and conversion

1 to fix80
  • No social proof

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

  • No form on the homepage

    There is no form on the homepage, so every lead has to click through to another page first.

  • 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 831 words of copy

    The homepage carries about 831 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: “Contact us”.

  • 2 calls to action

    The homepage has 2 calls to action, for example “Contact us”.

  • Analytics in place

    Analytics detected: Cloudflare Web Analytics.

  • Direct contact links

    Visitors can reach you directly: 1 phone link and 3 email links.

Privacy and tracking

  • 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.

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 turboden.com, because details like these could help someone attack a site. Every review keeps them private, whatever they found.

Upkeep, stack and company

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

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This review found 15 issues on turboden.com, including 5 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.

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