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10thplanetsm.com website review
Visit site (opens in a new tab)Reviewed 10 November 202630 issues · 82 checks
This review found 30 issues worth fixing on 10thplanetsm.com, 4 of them high impact, across 82 checks. The most urgent: 2 text elements with low contrast. 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
90AClosest competitors among reviewed websites
Compare side by sideOne 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
Improve image delivery
1.5 MB14 images could be 1.5 MB smaller with modern formats (WebP or AVIF) and sizes that fit a phone screen.
8 third-party services on the page
8 third-party services load with your homepage (Google Tag Manager, Facebook and website-files.com and others), adding 3.1 MB and 749 ms of main-thread time.
Render-blocking requests
850 ms2 files block the first paint until they finish downloading. Deferring or inlining them could save about 850 ms.
Use efficient cache lifetimes
368 KiB13 files are served with short cache lifetimes, so returning visitors download them again (368 KiB).
Reduce unused JavaScript
364 KiBAbout 364 KiB of JavaScript is downloaded but never used on this page.
website-files.com adds 116 ms
116 mswebsite-files.com costs a phone 116 ms of main-thread work and 2.1 MB 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.
Google Tag Manager adds 283 ms
283 msGoogle Tag Manager costs a phone 283 ms of main-thread work and 352 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.
6 long tasks on the main thread
6 long tasks block the main thread while loading, the longest for 218 ms. During a long task the page ignores taps.
Minify JavaScript
86 KiB86 KiB could be saved by minifying JavaScript.
Reduce unused CSS
37 KiBAbout 37 KiB of CSS is downloaded but never applied on this page.
Legacy JavaScript
13 KiBPolyfills for old browsers add 13 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.
Minify CSS
2 KiB2 KiB could be saved by minifying CSS.
3 checks passed
Mobile performance score: 96
96/100Your mobile performance score is 96. That is in Google's “good” band (90 and up).
Main-thread work: 1.5 s
A phone's processor spends 1.5 s on main-thread work while loading, 825 ms of it running JavaScript. That is comfortably low.
Server response: 2 ms
2 msYour server sent the HTML in 2 ms, well inside Google's 600 ms guideline.
Core Web Vitals
Time to Interactive: 11.6 s
11.6 sThe page becomes fully interactive after 11.6 s. Good is under 3.8 s.
8 images without width and height
8 images have no width and height attributes, so the layout jumps as each one loads.
Not enough real-visitor data yet
Chrome's UX Report (opens in a new tab) has too little real-visitor traffic for this site, so the figures here are lab measurements from Google's test phone on a throttled 4G connection.
5 checks passed
Total Blocking Time: 187 ms
187 msScripts block the page for only 187 ms while loading. Good is under 200 ms.
First Contentful Paint: 1.7 s
1.7 sThe first text or image appears after 1.7 s, inside the 1.8 s “good” threshold.
Speed Index: 2.6 s
2.6 sVisually, the page fills in at 2.6 s (Speed Index), inside the 3.4 s “good” threshold.
Largest Contentful Paint: 1.7 s
1.7 sYour largest element renders in 1.7 s on a phone, inside Google's 2.5 s “good” threshold. The largest element is the text “San Mateo's Premier Jiu Jitsu Academy”.
Cumulative Layout Shift: 0.007
0.007The layout barely moves while loading (CLS 0.007, good is under 0.1).
Images and page weight
Page weight: 3.3 MB in 82 requests
3.3 MBYour homepage downloads 3.3 MB in 82 requests on a phone: images 2.0 MB (18), scripts 1.1 MB (25) and fonts 162 KiB (10). Under 2 MB keeps phones on slow connections fast.
1 image far larger than shown
96 KiB1 image is downloaded at several times the size a phone draws it, for example 6a8744fae2a240c0554317e2_hero-team-split_1.jpg at 1,500 px wide, shown at 390 px. Resized copies would save about 96 KiB.
2 images in older formats
2 images (301 KiB) are 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 0.9 g of CO₂ per visit
0.95 gBy the Sustainable Web Design model, a visit to your homepage emits about 0.95 g of CO₂e: 113.6 kg a year at 10,000 visits a month. It scales with page weight, so every byte cut lowers it.
1 checks passed
Images load when needed
Images below the first screen wait until the visitor scrolls to them.
Accessibility
2 text elements with low contrast
2 text elements don't have enough contrast against the background to read easily, especially outdoors on a phone.
<html> element must have a lang attribute (1 element)
<html> element must have a lang attribute: 1 element on the page fails this check, rated serious by axe-core.
Links look like plain text
1 link inside paragraphs relies on colour alone to stand out.
All page content should be contained by landmarks (10 elements)
All page content should be contained by landmarks: 10 elements on the page fail this check, rated moderate by axe-core.
Banner landmark should not be contained in another landmark (1 element)
Banner landmark should not be contained in another landmark: 1 element on the page fails this check, rated moderate by axe-core.
3 form fields without a label
3 form fields have no label, so screen readers announce an empty box and autofill guesses.
1 link without text
1 visible link has no text or label, so screen readers cannot say where it goes.
No page language
The <html> element has no lang attribute, so screen readers may read the page in the wrong voice and accent.
2 checks passed
Every image has alt text
All 15 images in the HTML carry an alt attribute.
38 automated accessibility rules passed
axe-core 4.13.0, the open-source engine behind most accessibility testing tools, ran 44 WCAG 2.2 A/AA and best-practice rules on the phone render: 38 passed and 6 failed. 2 mores need a person to judge. Automated rules catch about a third of accessibility problems; the rest need manual testing.
SEO
6 H1 headlines
There are 6 <h1> headlines (“Start With 3 Free Classes (No Experience Needed)”, “San Mateo's Premier Jiu Jitsu Academy” and “Brazilian Jiu Jitsu”). One clear main headline is easier for people and search engines.
No canonical URL
No canonical URL, so duplicate versions of the homepage (with or without www, with tracking parameters) can split ranking signals.
4 links with vague text
4 links use generic text like “click here” or “learn more”, which tells Google nothing about the page behind them.
21 internal links, 2 external
The homepage links to 21 pages on 10thplanetsm.com and 2 external pages.
6 checks passed
Meta description: 137 characters
Your meta description is 137 characters: “Discover the Art of Brazilian Jiu Jitsu in San Mateo! Build confidence, learn self-defense, and make friends in a suppo…”.
Title: 31 characters
Your title is a healthy 31 characters: “10th Planet Jiu Jitsu San Mateo”.
Structured data in place
Structured data found: ImageObject, Person, SportsActivityLocation, 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://www.10thplanetsm.com/sitemap.xml.
AI search readiness
No llms.txt
There is no https://www.10thplanetsm.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.
3 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: 6 of 6 facts
Your Organization JSON-LD gives name, url, logo, sameAs (social profiles), description and contact details.
Text is in the HTML
Your server sends the page's text in the HTML (654 words), so crawlers that don't run JavaScript still read it.
Other pages
3 linked pages hidden from search
https://www.10thplanetsm.com/faq, https://www.10thplanetsm.com/privacy-policy and https://www.10thplanetsm.com/terms-of-service are marked noindex but linked from your homepage. If they are meant to be found, remove the noindex.
2 pages without a meta description
https://www.10thplanetsm.com/privacy-policy and https://www.10thplanetsm.com/terms-of-service have no meta description, so Google writes the search snippet from whatever text it finds.
2 pages share a meta description
https://www.10thplanetsm.com/bjj and https://www.10thplanetsm.com/blog use the same meta description. A description written for each page earns more clicks.
11 internal pages checked
We fetched 11 pages linked from your homepage and read each the way a search engine does.
5 checks passed
Linked pages load
All 11 pages we checked loaded without an error.
Canonical URLs point to themselves
No page we checked hands its ranking to a different URL.
Titles are unique
Every page we checked has its own title.
Every page has an H1
Each page we checked has a main headline.
Every page has a title
All 11 pages that loaded have a <title>.
Best practices
1 distorted image
1 image is displayed at the wrong aspect ratio, so it looks 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
No phone number on the homepage
A local customer looking to call finds no phone number on the homepage. Add one, ideally as a tap-to-call link.
Thin social proof
Social proof on the homepage: a star rating. 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 map or directions link
There is no link to Google or Apple Maps. A directions link is one tap for a phone visitor.
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 473 words of copy
The homepage carries about 473 words of visible text.
6 checks passed
Clear next step on the first screen
On a phone, the first screen shows a clear next step: “BOOK 3 FREE CLASSES →” and “JOIN NOW”.
11 calls to action
The homepage has 11 calls to action, for example “SCHEDULE”, “Claim Free Trial” and “Join Now”.
1 short form
A short form (6 fields at most) is right on the homepage, asking for an email.
Analytics in place
Analytics detected: Google Tag Manager and Meta Pixel.
Opening hours shown
Your opening hours are on the homepage.
LocalBusiness structured data
Your homepage describes the business with LocalBusiness JSON-LD, so search engines and AI assistants can read its address, hours and phone reliably.
Privacy and tracking
5 trackers load before any consent
5Before a visitor clicks anything, the page loads Google Ads, Google Analytics, Google Tag Manager, Meta Pixel and Microsoft Clarity (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.
10 cookies set on arrival
10Opening the homepage sets 10 cookies, 2 of them by other companies (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.
26 other companies contacted
Loading the homepage contacts 26 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 10thplanetsm.com, because details like these could help someone attack a site. Every review keeps them private, whatever they found.
Upkeep, stack and company
- The footer still says © 2021.
Stack
- CMS
- Webflow
- Analytics
- Google Tag Manager
- Hosting
- Webflow
Company
- Headquarters
- San Mateo
Upkeep, stack, hiring and company data from programmable.info
Go beyond the website
What your $25 Growth Playbook adds
This review found 30 issues on 10thplanetsm.com, including 9 speed issues, 3 SEO issues 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
14-day money-back guarantee: not happy for any reason, email us within 14 days and we refund in full.