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SEO Score92/100
Average SEO score of top 100 sites: 75%
AI Visibility71/100
AI visibility score reflects brand reach in AI
Your site scored 92/100, comfortably above the 75 average for top sites. We found 3 issues to fix, and they're the gap between you and the very top. And an AI Visibility Score of 71/100 means ChatGPT, Gemini and Perplexity mention your brand some of the time, with clear room to push further.
3 Failed
3 Warnings
57 Passed
Want to fix these issues and track your progress?
Issues to fix
HIGH
To improve the website experience for your visitors, it is recommended to eliminate any render-blocking resources on this webpage.
DetailsLOW
Consider reducing the HTML size to improve loading times and retain visitors.
DetailsLOW
Using more than 20 HTTP requests on a webpage can negatively impact the loading time.
DetailsAI Insights
Score:0
Failed:0
Warnings:0
Passed:5
Understanding the business context of a domain can help you create content that is more relevant to your target audience and differentiate your website from competitors.
What is this domain about
AI-powered online vocal remover and stem separation tool for songs and audio files.
Industry Niche
AI Audio Stem Separation
Target Audience
Musicians, DJs, karaoke users, producers, and content creators who need instrumentals or isolated stems.
Track your brand across ChatGPT, Gemini and Claude
Get an AI Presence Score, see which of your pages get cited, and follow how you compare with competitors over time.
This webpage is clear, conversion-focused, and well structured around a single core product. It explains the tool, use cases, FAQs, and pricing/value proposition effectively, but it relies heavily on marketing claims with limited independent evidence or depth.
Content Strengths
- Clear Value Proposition
- Strong Use-Case Coverage
- Helpful FAQ Section
Content Weaknesses
- Limited Evidence Depth
- Sparse Credibility Signals
- Marketing-Heavy Copy
69%
Topical Relevance96%
Subject Expertise72%
Credibility58%
This webpage appears moderately trustworthy because it is tightly focused on a single product and includes clear pricing, legal pages, and contact/about links. Trust is weakened by the lack of visible author attribution, testimonials, third-party validation, or cited methodology for the performance claims.
Find out if your page design converts the visitors you earn
We score six things that decide whether a visitor stays and acts, from the first screen to the path to action, and rank every fix by effort and impact.
78%
The page feels current and actively maintained, with 2026 references in the FAQ and footer copyright. It presents the product as an up-to-date service rather than archived or outdated content, though freshness is inferred mostly from contextual copy and boilerplate rather than explicit publish dates.
Positive Signals
- 2026 product references
- Current-year copyright
- Active usage stats
The page already covers the core product well, but it has room to expand into more authoritative, decision-supporting content. The biggest opportunities are deeper proof, more practical guidance, and richer comparison content that helps users choose and use the tool confidently.
Quick Wins
- •Add a small comparison table near the FAQ contrasting this tool with subscription-based alternatives.
- •Insert one or two before-and-after audio examples on the page to demonstrate output quality.
- •Expand the FAQ with a privacy and copyright question about uploaded songs and URL processing.
Common SEO issues
Score:95
Failed:0
Warnings:1
Passed:18
Meta Title Test
100% of top 100 sites passed
This value indicates the percent of top 100 most visited websites in the US that pass this test (in the past 12 months). Failing a test that a high percentage of top websites are passing may indicate an industry best practice that you should be fixing.
This webpage is using a title tag with a length of 63 characters. While there's no target number of characters, titles should be descriptive and concise. We recommend using a title with a length between 20 - 60 characters in order to fit Google Search results that have a 600-pixel limit.
Meta Description Test
92% of top 100 sites passed
This value indicates the percent of top 100 most visited websites in the US that pass this test (in the past 12 months). Failing a test that a high percentage of top websites are passing may indicate an industry best practice that you should be fixing.
This webpage is using a meta description tag.
Desktop version
https://stemsplit.io/vocal-remover
Mobile version
https://stemsplit.io/vocal-remover
There is likely no optimal keyword density (search engine algorithms have evolved beyond keyword density metrics as a significant ranking factor). It can be useful, however, to note which keywords appear most often on your page and if they reflect the intended topic of your page. More importantly, the keywords on your page should appear within natural sounding and grammatically correct copy.
Keywords Usage Test
48% of top 100 sites passed
This value indicates the percent of top 100 most visited websites in the US that pass this test (in the past 12 months). Failing a test that a high percentage of top websites are passing may indicate an industry best practice that you should be fixing.
The most common keywords of this webpage are distributed well across the important HTML tags. This helps search engines to properly identify the topic of this webpage.
accelerated
accuracy
artifact
audio
automatically
available
average
based
best
card
cases
choose
clean
content
create
credit
credits
developers
directly
does
download
drums
expire
extract
file
files
flac
format
formats
free
frequency
handle
instrumental
instrumentals
instruments
integration
isolate
just
karaoke
lalal
loss
minutes
music
need
neural
online
original
output
paste
perfect
powered
practice
pricing
process
processed
processes
processing
producers
production
professional
quality
ready
remixes
removal
remove
remover
removers
removing
required
resources
results
sample
seconds
separate
sign
song
songs
soundcloud
splitter
start
stem
stems
stemsplit
studio
subscription
supported
technology
tool
tools
track
tracks
trained
upload
urls
uses
video
vocal
vocals
webm
youtube
See which keywords rank your URL in Google’s top 20
Get key keyword metrics like average position, search volume, CPC, and more.
Understand your competitors' SEO and backlink profile
Get related competitors and their domain authority score in relation to your domain.
Robots.txt Test
99% of top 100 sites passed
This value indicates the percent of top 100 most visited websites in the US that pass this test (in the past 12 months). Failing a test that a high percentage of top websites are passing may indicate an industry best practice that you should be fixing.
This website is using a robots.txt file.
Sitemap Test
83% of top 100 sites passed
This value indicates the percent of top 100 most visited websites in the US that pass this test (in the past 12 months). Failing a test that a high percentage of top websites are passing may indicate an industry best practice that you should be fixing.
This website has a sitemap file.
Image Alt Test
78% of top 100 sites passed
This value indicates the percent of top 100 most visited websites in the US that pass this test (in the past 12 months). Failing a test that a high percentage of top websites are passing may indicate an industry best practice that you should be fixing.
This webpage doesn't use "img" tags.
Responsive Image Test
29% of top 100 sites passed
This value indicates the percent of top 100 most visited websites in the US that pass this test (in the past 12 months). Failing a test that a high percentage of top websites are passing may indicate an industry best practice that you should be fixing.
All images in this webpage are properly sized for different users' viewports.
Image Aspect Ratio Test
75% of top 100 sites passed
This value indicates the percent of top 100 most visited websites in the US that pass this test (in the past 12 months). Failing a test that a high percentage of top websites are passing may indicate an industry best practice that you should be fixing.
All image display dimensions match the natural aspect ratio.
Google Analytics Test
72% of top 100 sites passed
This value indicates the percent of top 100 most visited websites in the US that pass this test (in the past 12 months). Failing a test that a high percentage of top websites are passing may indicate an industry best practice that you should be fixing.
This webpage is using Google Analytics.
Favicon Test
100% of top 100 sites passed
This value indicates the percent of top 100 most visited websites in the US that pass this test (in the past 12 months). Failing a test that a high percentage of top websites are passing may indicate an industry best practice that you should be fixing.
This website appears to have a favicon.
Get a full and detailed list of your backlinks
See every website linking to yours, along with detailed backlink data.
JS Error Test
83% of top 100 sites passed
This value indicates the percent of top 100 most visited websites in the US that pass this test (in the past 12 months). Failing a test that a high percentage of top websites are passing may indicate an industry best practice that you should be fixing.
There are no severe JavaScript errors on this webpage.
Console Errors Test
27% of top 100 sites passed
This value indicates the percent of top 100 most visited websites in the US that pass this test (in the past 12 months). Failing a test that a high percentage of top websites are passing may indicate an industry best practice that you should be fixing.
This webpage doesn't have any warnings or errors caught by the Chrome DevTools Console.
Charset Declaration Test
96% of top 100 sites passed
This value indicates the percent of top 100 most visited websites in the US that pass this test (in the past 12 months). Failing a test that a high percentage of top websites are passing may indicate an industry best practice that you should be fixing.
This webpage has a character encoding declaration.
Content-Type: text/html; charset=utf-8
Speed optimizations
Score:85
Failed:3
Warnings:1
Passed:16
HTML Page Size Test
23% of top 100 sites passed
This value indicates the percent of top 100 most visited websites in the US that pass this test (in the past 12 months). Failing a test that a high percentage of top websites are passing may indicate an industry best practice that you should be fixing.
The size of this webpage's HTML is 77.19 Kb, and is greater than the average size of 33 Kb! This can lead to slower loading times, lost visitors, and decreased revenue. Good steps to reduce HTML size include: using HTML compression, CSS layouts, external style sheets, and moving javascript to external files.
DOM Size Test
56% of top 100 sites passed
This value indicates the percent of top 100 most visited websites in the US that pass this test (in the past 12 months). Failing a test that a high percentage of top websites are passing may indicate an industry best practice that you should be fixing.
The Document Object Model (DOM) of this webpage has 442 nodes which is less than the recommended value of 1,500 nodes.
HTML Compression/GZIP Test
99% of top 100 sites passed
This value indicates the percent of top 100 most visited websites in the US that pass this test (in the past 12 months). Failing a test that a high percentage of top websites are passing may indicate an industry best practice that you should be fixing.
This webpage is successfully compressed using zstd compression on your code. The HTML code is compressed from 348.9 Kb to 77.19 Kb (78% size savings). This helps ensure a faster loading webpage and improved user experience.
Site Loading Speed Test
71% of top 100 sites passed
This value indicates the percent of top 100 most visited websites in the US that pass this test (in the past 12 months). Failing a test that a high percentage of top websites are passing may indicate an industry best practice that you should be fixing.
The loading time of this webpage (measured from N. Virginia, US) is around 1.22 seconds and this is under the average loading speed which is 5 seconds.
Accurate historical loading speed monitor and reports
Get detailed and accurate loading speed reports for your websites and see how your pages are being loaded over time.
JS Execution Time Test
53% of top 100 sites passed
This value indicates the percent of top 100 most visited websites in the US that pass this test (in the past 12 months). Failing a test that a high percentage of top websites are passing may indicate an industry best practice that you should be fixing.
The JavaScript code used by this webpage is executed in less than 2 seconds.
Page Objects Test
7% of top 100 sites passed
This value indicates the percent of top 100 most visited websites in the US that pass this test (in the past 12 months). Failing a test that a high percentage of top websites are passing may indicate an industry best practice that you should be fixing.
This webpage is using more than 20 http requests, which can slow down page loading and negatively impact user experience!
Content size by content type
Content type
Percent
Size
javascript
64.0 %
568.79 Kb
other
15.5 %
138.10 Kb
html
8.2 %
73.28 Kb
font
7.9 %
69.79 Kb
css
4.4 %
38.71 Kb
image
0.0 %
0 B
TOTAL
100%
888.68 Kb
Requests by content type
Content type
Percent
Requests
javascript
81.0 %
47
other
10.3 %
6
css
3.4 %
2
font
3.4 %
2
html
1.7 %
1
image
0.0 %
0
TOTAL
100%
58
Content size by domain
Domain
Percent
Size
stemsplit.io
79.7 %
708.30 Kb
googletagmanager.com
19.1 %
169.64 Kb
static.cloudflareinsights.com
1.2 %
10.74 Kb
TOTAL
100%
888.68 Kb
Requests by domain
Domain
Percent
Requests
stemsplit.io
96.6 %
56
static.cloudflareinsights.com
1.7 %
1
googletagmanager.com
1.7 %
1
TOTAL
100%
58
CDN Usage Test
95% of top 100 sites passed
This value indicates the percent of top 100 most visited websites in the US that pass this test (in the past 12 months). Failing a test that a high percentage of top websites are passing may indicate an industry best practice that you should be fixing.
This webpage is serving all images, javascript and css resources from CDNs.
Modern Image Format Test
43% of top 100 sites passed
This value indicates the percent of top 100 most visited websites in the US that pass this test (in the past 12 months). Failing a test that a high percentage of top websites are passing may indicate an industry best practice that you should be fixing.
This webpage is using images in a modern format.
Image Metadata Test
72% of top 100 sites passed
This value indicates the percent of top 100 most visited websites in the US that pass this test (in the past 12 months). Failing a test that a high percentage of top websites are passing may indicate an industry best practice that you should be fixing.
This webpage is not using image resources!
Image Caching Test
95% of top 100 sites passed
This value indicates the percent of top 100 most visited websites in the US that pass this test (in the past 12 months). Failing a test that a high percentage of top websites are passing may indicate an industry best practice that you should be fixing.
This webpage is not using uncached images from same domain.
JavaScript Caching Test
96% of top 100 sites passed
This value indicates the percent of top 100 most visited websites in the US that pass this test (in the past 12 months). Failing a test that a high percentage of top websites are passing may indicate an industry best practice that you should be fixing.
This webpage is using cache headers for all JavaScript resources.
CSS Caching Test
98% of top 100 sites passed
This value indicates the percent of top 100 most visited websites in the US that pass this test (in the past 12 months). Failing a test that a high percentage of top websites are passing may indicate an industry best practice that you should be fixing.
This webpage is using cache headers for all CSS resources.
JavaScript Minification Test
98% of top 100 sites passed
This value indicates the percent of top 100 most visited websites in the US that pass this test (in the past 12 months). Failing a test that a high percentage of top websites are passing may indicate an industry best practice that you should be fixing.
All JavaScript files used by this webpage are minified.
CSS Minification Test
100% of top 100 sites passed
This value indicates the percent of top 100 most visited websites in the US that pass this test (in the past 12 months). Failing a test that a high percentage of top websites are passing may indicate an industry best practice that you should be fixing.
All CSS resources used by this webpage are minified.
Render Blocking Resources Test
15% of top 100 sites passed
This value indicates the percent of top 100 most visited websites in the US that pass this test (in the past 12 months). Failing a test that a high percentage of top websites are passing may indicate an industry best practice that you should be fixing.
This webpage is using render blocking resources! Eliminating render-blocking resources can help this webpage to load significantly faster and will improve the website experience for your visitors.
URL Redirects Test
97% of top 100 sites passed
This value indicates the percent of top 100 most visited websites in the US that pass this test (in the past 12 months). Failing a test that a high percentage of top websites are passing may indicate an industry best practice that you should be fixing.
This URL doesn't have any redirects (which could potentially cause site indexation issues and site loading delays).
Time To First Byte Test
99% of top 100 sites passed
This value indicates the percent of top 100 most visited websites in the US that pass this test (in the past 12 months). Failing a test that a high percentage of top websites are passing may indicate an industry best practice that you should be fixing.
The Time To First Byte value of this webpage is 0.077 seconds. To provide a good user experience, Google recommends that sites should strive to have a TTFB of 0.8 seconds or less.
0.077 s
0.8 s
1.8 s
First Contentful Paint Test
90% of top 100 sites passed
This value indicates the percent of top 100 most visited websites in the US that pass this test (in the past 12 months). Failing a test that a high percentage of top websites are passing may indicate an industry best practice that you should be fixing.
The First Contentful Paint value of this webpage is 2.356 seconds. To provide a good user experience, Google recommends that sites should strive to have a First Contentful Paint value of 1.8 seconds or less.
2.356 s
1.8 s
3 s
Largest Contentful Paint Test
77% of top 100 sites passed
This value indicates the percent of top 100 most visited websites in the US that pass this test (in the past 12 months). Failing a test that a high percentage of top websites are passing may indicate an industry best practice that you should be fixing.
The Largest Contentful Paint duration of this webpage is 2.36 seconds. To provide a good user experience, Google recommends that sites should strive to have Largest Contentful Paint of 2.5 seconds or less.
2.36 s
2.5 s
4 s
Largest Contentful Paint element within the viewport:
Text: Remove Vocals from Any Song
Html: <h1 class="mx-auto max-w-4xl text-center font-display text-3x..." style="letter-spacing:-0.02em">
Cumulative Layout Shift Test
91% of top 100 sites passed
This value indicates the percent of top 100 most visited websites in the US that pass this test (in the past 12 months). Failing a test that a high percentage of top websites are passing may indicate an industry best practice that you should be fixing.
The CLS score of this webpage is 0.0000. To provide a good user experience, Google recommends that sites should strive to have a CLS score of 0.1 or less.
0
0.1
0.25
DOM element which contributes the most to CLS score:
Score: 0.0000
Server and security
Score:100
Failed:0
Warnings:0
Passed:7
URL Canonicalization Test
93% of top 100 sites passed
This value indicates the percent of top 100 most visited websites in the US that pass this test (in the past 12 months). Failing a test that a high percentage of top websites are passing may indicate an industry best practice that you should be fixing.
https://stemsplit.io/vocal-remover and https://www.stemsplit.io/vocal-remover resolve to the same URL.
SSL Checker and HTTPS Test
100% of top 100 sites passed
This value indicates the percent of top 100 most visited websites in the US that pass this test (in the past 12 months). Failing a test that a high percentage of top websites are passing may indicate an industry best practice that you should be fixing.
This website is successfully using HTTPS, a secure communication protocol over the Internet.
The certificate is not used before the activation date.
The certificate has not expired.
The hostname "stemsplit.io" is correctly listed in the certificate.
The certificate should be trusted by all major web browsers.
The certificate was not revoked.
The certificate was signed with a secure hash.
Certificate Chain:
Server certificate
Common Name
stemsplit.io
Subject Alternative Names
stemsplit.io, *.stemsplit.io
Not Valid Before
Sun, April 26, 2026 at 11:19:59 PM UTC
Not Valid After
Sun, July 26, 2026 at 12:14:36 AM UTC
Signature Algorithm
ecdsaWithSha256
Issuer
WE1
Root certificate
Common Name
WE1
Organization
Google Trust Services
Location
US
Not Valid Before
Wed, December 13, 2023 at 9:00:00 AM UTC
Not Valid After
Tue, February 20, 2029 at 2:00:00 PM UTC
Signature Algorithm
ecdsaWithSha384
Issuer
GTS Root R4
Mixed Content Test (HTTP over HTTPS)
100% of top 100 sites passed
This value indicates the percent of top 100 most visited websites in the US that pass this test (in the past 12 months). Failing a test that a high percentage of top websites are passing may indicate an industry best practice that you should be fixing.
This webpage does not use mixed content - both the initial HTML and all other resources are loaded over HTTPS.
HTTP2 Test
99% of top 100 sites passed
This value indicates the percent of top 100 most visited websites in the US that pass this test (in the past 12 months). Failing a test that a high percentage of top websites are passing may indicate an industry best practice that you should be fixing.
This webpage is using the HTTP/2 protocol.
HSTS Test
84% of top 100 sites passed
This value indicates the percent of top 100 most visited websites in the US that pass this test (in the past 12 months). Failing a test that a high percentage of top websites are passing may indicate an industry best practice that you should be fixing.
This webpage is using the Strict-Transport-Security header.
strict-transport-security:max-age=31536000; includesubdomains
Plaintext Emails Test
97% of top 100 sites passed
This value indicates the percent of top 100 most visited websites in the US that pass this test (in the past 12 months). Failing a test that a high percentage of top websites are passing may indicate an industry best practice that you should be fixing.
This webpage does not include email addresses in plaintext.
Unsafe Cross-Origin Links Test
45% of top 100 sites passed
This value indicates the percent of top 100 most visited websites in the US that pass this test (in the past 12 months). Failing a test that a high percentage of top websites are passing may indicate an industry best practice that you should be fixing.
This webpage is not using target="_blank" links without rel="noopener" or rel="noreferrer" attribute.
Mobile usability
Score:100
Failed:0
Warnings:0
Passed:3
Meta Viewport Test
92% of top 100 sites passed
This value indicates the percent of top 100 most visited websites in the US that pass this test (in the past 12 months). Failing a test that a high percentage of top websites are passing may indicate an industry best practice that you should be fixing.
This webpage is using a viewport meta tag.
<meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=5, viewport-fit=cover, user-scalable=yes" />Media Query Responsive Test
98% of top 100 sites passed
This value indicates the percent of top 100 most visited websites in the US that pass this test (in the past 12 months). Failing a test that a high percentage of top websites are passing may indicate an industry best practice that you should be fixing.
This webpage is using CSS media queries, which is the base for responsive design functionalities.
Advanced SEO
Score:98
Failed:0
Warnings:1
Passed:8
Structured Data Test
66% of top 100 sites passed
This value indicates the percent of top 100 most visited websites in the US that pass this test (in the past 12 months). Failing a test that a high percentage of top websites are passing may indicate an industry best practice that you should be fixing.
This webpage is using structured data.
Custom 404 Error Page Test
80% of top 100 sites passed
This value indicates the percent of top 100 most visited websites in the US that pass this test (in the past 12 months). Failing a test that a high percentage of top websites are passing may indicate an industry best practice that you should be fixing.
This website is using a custom 404 error page. We recommend to have a custom 404 error page in order to improve the website's user experience by letting users know that only a specific page is missing/broken (and not the entire site), providing them helpful links, the opportunity to report bugs, and potentially track the source of broken links.
Meta Refresh Test
98% of top 100 sites passed
This value indicates the percent of top 100 most visited websites in the US that pass this test (in the past 12 months). Failing a test that a high percentage of top websites are passing may indicate an industry best practice that you should be fixing.
This webpage is not using a meta refresh tag.
SPF Records Test
94% of top 100 sites passed
This value indicates the percent of top 100 most visited websites in the US that pass this test (in the past 12 months). Failing a test that a high percentage of top websites are passing may indicate an industry best practice that you should be fixing.
This DNS server is using an SPF record.
v=spf1 include:mxroute.com -all
Ads.txt Validation Test
67% of top 100 sites passed
This value indicates the percent of top 100 most visited websites in the US that pass this test (in the past 12 months). Failing a test that a high percentage of top websites are passing may indicate an industry best practice that you should be fixing.
This website doesn't use an ads.txt file! Ads.txt is a text file that contains a list of Authorized Digital Sellers. The purpose of ads.txt files is to give advertisers and advertising networks the ability to verify who is allowed to sell advertising on your website.
