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trebel.io website review

Visit site (opens in a new tab)Reviewed 20 October 202628 issues · 74 checks

This review found 28 issues worth fixing on trebel.io, 9 of them high impact, across 74 checks. The most urgent: reduce unused JavaScript. 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
3.0 s2.8 sMay 2Oct 172.9 s
Show as table
DateReal-visitor load time (LCP)
May 2, 20263.0 s
May 9, 20263.0 s
May 16, 20263.0 s
May 23, 20263.0 s
May 30, 20263.0 s
Jun 6, 20263.0 s
Jun 13, 20263.0 s
Jun 20, 20263.0 s
Jun 27, 20263.0 s
Jul 4, 20263.0 s
Jul 11, 20263.0 s
Jul 18, 20263.0 s
Jul 25, 20262.9 s
Aug 1, 20262.9 s
Aug 8, 20262.9 s
Aug 15, 20262.9 s
Aug 22, 20262.9 s
Aug 29, 20262.9 s
Sep 5, 20262.9 s
Sep 12, 20262.8 s
Sep 19, 20262.9 s
Sep 26, 20262.9 s
Oct 3, 20262.9 s
Oct 10, 20262.9 s
Oct 17, 20262.9 s
Real-visitor tap response (INP)75th percentile, phones
143 ms134 msMay 2Oct 17142 ms
Show as table
DateReal-visitor tap response (INP)
May 2, 2026141 ms
May 9, 2026140 ms
May 16, 2026141 ms
May 23, 2026139 ms
May 30, 2026140 ms
Jun 6, 2026140 ms
Jun 13, 2026141 ms
Jun 20, 2026140 ms
Jun 27, 2026139 ms
Jul 4, 2026140 ms
Jul 11, 2026137 ms
Jul 18, 2026137 ms
Jul 25, 2026137 ms
Aug 1, 2026138 ms
Aug 8, 2026138 ms
Aug 15, 2026138 ms
Aug 22, 2026137 ms
Aug 29, 2026135 ms
Sep 5, 2026135 ms
Sep 12, 2026136 ms
Sep 19, 2026137 ms
Sep 26, 2026138 ms
Oct 3, 2026139 ms
Oct 10, 2026140 ms
Oct 17, 2026142 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 trebel.io (desktop) rendered by Google PageSpeed Insights

How it loaded on a phone

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

Speed

5 to fix65
  • Reduce unused JavaScript

    2.2 s · 314 KiB

    About 314 KiB of JavaScript is downloaded but never used on this page. Google estimates it would make the page about 2.2 s faster on a phone.

  • Improve image delivery

    1.1 s · 144 KiB

    7 images could be 144 KiB smaller with modern formats (WebP or AVIF) and sizes that fit a phone screen. Google estimates it would make the page about 1.1 s faster on a phone.

  • Mobile performance score: 65

    65/100

    Your mobile performance score is 65 (desktop: 78). Pages that score under 90 lose visitors before the first paint.

  • 6 third-party services on the page

    6 third-party services load with your homepage (Google Tag Manager, Scorecard Research and Google/Doubleclick Ads and others), adding 814 KiB and 593 ms of main-thread time.

  • Google Tag Manager adds 576 ms

    576 ms

    Google Tag Manager costs a phone 576 ms of main-thread work and 627 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.

  • 5 long tasks on the main thread

    5 long tasks block the main thread while loading, the longest for 246 ms. During a long task the page ignores taps.

  • Legacy JavaScript

    150 ms · 21 KiB

    Polyfills for old browsers add 21 KiB JavaScript that modern phones do not need. Google estimates it would make the page about 150 ms faster on a phone.

  • 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.

  • Use efficient cache lifetimes

    3 KiB

    1 file is served with short cache lifetimes, so returning visitors download them again (3 KiB).

2 checks passed
  • Main-thread work: 1.1 s

    A phone's processor spends 1.1 s on main-thread work while loading, 625 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

9 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: 10.4 s

    10.4 s

    Your largest element takes 10.4 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: 10.4 s

    10.4 s

    The page becomes fully interactive after 10.4 s. Good is under 3.8 s.

  • Real-user LCP: 3.5 s

    3.5 s

    Real visitors wait 3.5 s for the largest content to appear (75th percentile). Good is under 2.5 s.

  • Real-user FCP: 2.0 s

    2.0 s

    Real visitors see the first content after 2.0 s (75th percentile). Good is under 1.8 s.

  • Real-user TTFB: 1.6 s

    1.6 s

    Real visitors wait 1.6 s for your server to start answering (75th percentile). Good is under 800 ms.

  • Total Blocking Time: 362 ms

    362 ms

    Scripts block taps and scrolling for 362 ms in total while the page loads. Good is under 200 ms.

  • Speed Index: 4.1 s

    4.1 s

    Visually, the page fills in at 4.1 s (Speed Index). Good is under 3.4 s.

  • 1 image without width and height

    1 image have no width and height attributes, so the layout jumps as each one loads.

  • Tap response (INP) held steady for real visitors

    0%

    Over the last 25 four-week periods to 2026-10-17, real Chrome visitors' tap response (inp) went from 141 ms to 142 ms at the 75th percentile (Chrome UX Report (opens in a new tab) history).

  • Largest content (LCP) held steady for real visitors

    -2%

    Over the last 25 four-week periods to 2026-10-17, real Chrome visitors' largest content (lcp) went from 3.0 s to 2.9 s at the 75th percentile (Chrome UX Report (opens in a new tab) history).

4 checks passed
  • Real-user INP: 141 ms

    141 ms

    Real visitors wait 141 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.

  • Cumulative Layout Shift: 0.004

    0.004

    The layout barely moves while loading (CLS 0.004, good is under 0.1).

  • First Contentful Paint: 0.8 s

    0.8 s

    The first text or image appears after 0.8 s, inside the 1.8 s “good” threshold.

Images and page weight

100
  • 1 image in older formats

    1 image (118 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 0.4 g of CO₂ per visit

    0.42 g

    By the Sustainable Web Design model, a visit to your homepage emits about 0.42 g of CO₂e: 49.9 kg a year at 10,000 visits a month. It scales with page weight, so every byte cut lowers it.

3 checks passed
  • Page weight: 1.5 MB in 45 requests

    1.5 MB

    Your homepage downloads 1.5 MB in 45 requests on a phone: scripts 901 KiB (14), fonts 319 KiB (3) and images 269 KiB (19). That is a lean page.

  • 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

2 to fixGoogle 10096
  • 1 tap target too small

    1 tap target is too small or too close together to hit reliably with a finger.

  • Page should contain a level-one heading (1 element)

    Page should contain a level-one heading: 1 element on the page fails this check, rated moderate by axe-core.

2 checks passed
  • Every image has alt text

    All 9 images in the HTML carry an alt attribute.

  • 32 automated accessibility rules passed

    axe-core 4.13.0, the open-source engine behind most accessibility testing tools, ran 34 WCAG 2.2 A/AA and best-practice rules on the phone render: 32 passed and 2 failed. 1 more need a person to judge. Automated rules catch about a third of accessibility problems; the rest need manual testing.

SEO

2 to fixGoogle 10086
  • No H1 headline

    There is no <h1>, so neither visitors nor Google get a clear main headline.

  • No structured data

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

  • No X (Twitter) card tag

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

  • 13 internal links, 6 external

    The homepage links to 13 pages on trebel.io and 6 external pages.

6 checks passed
  • Meta description: 158 characters

    Your meta description is 158 characters: “Listen to millions of songs for free with TREBEL music downloader app for Android and iOS. Download today for mobile mp…”.

  • Title: 60 characters

    Your title is a healthy 60 characters: “Free music downloader app for Android and iOS | TREBEL Music”.

  • Canonical URL set

    The canonical URL is https://home.trebel.io/.

  • 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.

  • XML sitemap found

    Your XML sitemap is reachable at https://home.trebel.io/sitemap.xml.

AI search readiness

1 to fix83
  • 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://home.trebel.io/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.

1 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.

Other pages

2 to fix90
  • 2 pages without a meta description

    https://home.trebel.io/forartists and https://home.trebel.io/data-sharing have no meta description, so Google writes the search snippet from whatever text it finds.

  • 3 links to non-canonical URLs

    Your homepage links to 3 pages by a URL that isn't their canonical one, for example https://home.trebel.io/about-us, whose canonical is https://home.trebel.io/%20%20%20%20%20%20%20%20%20%20%20/about-us. Linking straight to the canonical URL saves crawlers a detour and keeps ranking signals on one address.

  • 2 pages with very little text

    https://home.trebel.io/partners and https://home.trebel.io/data-sharing have under 150 words in the HTML. Thin pages rarely rank; if the text loads with JavaScript, crawlers that don't run it see even less.

  • 4 pages slow to respond

    https://home.trebel.io/about-us, https://home.trebel.io/careers, https://home.trebel.io/partners and https://home.trebel.io/forartists took over 3 s to send their HTML from our server.

  • 5 internal pages checked

    We fetched 5 pages linked from your homepage and read each the way a search engine does.

5 checks passed
  • Linked pages load

    All 5 pages we checked loaded without an error.

  • 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 5 pages that loaded have a <title>.

Best practices

2 to fixGoogle 9691
  • 14 small tap targets

    14 of 25 tappable elements near the top of the page are smaller than 24 px, hard to hit with a thumb.

  • 3 distorted images

    3 images are displayed at the wrong aspect ratio, so they look stretched or squashed.

2 checks passed
  • No console errors

    No JavaScript errors were logged while the page loaded on a phone.

  • Mobile viewport set

    The page declares a mobile viewport.

Content and conversion

4 to fix50
  • No calls to action

    We found no call-to-action buttons or links (such as “Book a demo” or “Get a quote”) anywhere on the homepage.

  • 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 direct contact details

    No phone number or email link on the homepage, so ready-to-buy visitors have one fewer way to reach you.

  • Only about 36 words

    The homepage has only about 36 words of visible text; thin pages give Google and first-time buyers little to go on.

  • 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.

2 checks passed
  • Clear next step on the first screen

    On a phone, the first screen shows a clear next step: “DOWNLOAD THE APP”.

  • Analytics in place

    Analytics detected: Google Tag Manager and Google Analytics.

Privacy and tracking

1 to fix
  • 4 trackers load before any consent

    4

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

  • 5 cookies set on arrival

    5

    Opening the homepage sets 5 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.

  • 8 other companies contacted

    Loading the homepage contacts 8 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 trebel.io, because details like these could help someone attack a site. Every review keeps them private, whatever they found.

Upkeep, stack and company

Stack

Framework
Nuxt
Analytics
Google Analytics | Google Tag Manager

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

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