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customboatflag.com website review

Visit site (opens in a new tab)Reviewed 7 November 202627 issues · 94 checks

This review found 27 issues worth fixing on customboatflag.com, 9 of them high impact, across 94 checks. The most urgent: invalid ARIA attributes. 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
1.5 s1.1 sMay 16Sep 51.4 s
Show as table
DateReal-visitor load time (LCP)
May 16, 20261.3 s
May 23, 20261.3 s
May 30, 20261.2 s
Jun 6, 20261.2 s
Jun 13, 20261.2 s
Jun 20, 20261.3 s
Jun 27, 20261.3 s
Jul 4, 20261.3 s
Jul 11, 20261.3 s
Jul 18, 20261.1 s
Jul 25, 20261.1 s
Aug 1, 20261.2 s
Aug 8, 20261.3 s
Aug 22, 20261.5 s
Sep 5, 20261.4 s
Real-visitor tap response (INP)75th percentile, phones
92 ms77 msMay 16Jul 1190 ms
Show as table
DateReal-visitor tap response (INP)
May 16, 202687 ms
May 23, 202686 ms
May 30, 202686 ms
Jun 6, 202686 ms
Jun 13, 202679 ms
Jul 11, 202690 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 customboatflag.com (phone) rendered by Google PageSpeed Insights

How it loaded on a phone

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

customboatflag.com does not allow embedding, so this is Google's rendering of the page.

Speed

4 to fix70
  • Mobile performance score: 70

    70/100

    Your mobile performance score is 70. Pages that score under 90 lose visitors before the first paint.

  • Render-blocking requests

    450 ms

    2 files block the first paint until they finish downloading. Deferring or inlining them could save about 450 ms.

  • Reduce unused JavaScript

    300 ms · 71 KiB

    About 71 KiB of JavaScript is downloaded but never used on this page. Google estimates it would make the page about 300 ms faster on a phone.

  • Improve image delivery

    316 KiB

    29 images could be 316 KiB smaller with modern formats (WebP or AVIF) and sizes that fit a phone screen.

  • Use efficient cache lifetimes

    100 ms · 85 KiB

    11 files are served with short cache lifetimes, so returning visitors download them again (85 KiB).

  • 8 third-party services on the page

    8 third-party services load with your homepage (POWr, cloudonegalaxy.com and Shopify and others), adding 247 KiB and 142 ms of main-thread time.

  • Reduce unused CSS

    90 ms · 17 KiB

    About 17 KiB of CSS is downloaded but never applied on this page. Google estimates it would make the page about 90 ms faster on a phone.

  • 1 long task on the main thread

    1 long task block the main thread while loading, the longest for 64 ms. During a long task the page ignores taps.

  • Font display

    50 ms

    Web fonts hide text while they load. Setting font-display: swap shows text immediately (about 50 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.

  • Forced reflow

    Scripts make the browser recalculate the layout repeatedly while the page loads, which wastes processor time on phones.

2 checks passed
  • Main-thread work: 1.4 s

    A phone's processor spends 1.4 s on main-thread work while loading, 525 ms of it running JavaScript. That is comfortably low.

  • Server response: 3 ms

    3 ms

    Your server sent the HTML in 3 ms, well inside Google's 600 ms guideline.

Core Web Vitals

4 to fix60
  • Largest Contentful Paint: 8.1 s

    8.1 s

    Your largest element takes 8.1 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: 8.3 s

    8.3 s

    The page becomes fully interactive after 8.3 s. Good is under 3.8 s.

  • 41 images without width and height

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

  • Cumulative Layout Shift: 0.146

    0.146

    The layout shifts by 0.146 while loading, so content jumps under the reader's thumb. Good is under 0.1.

  • Tap response (INP) held steady for real visitors

    -2%

    Over the last 25 four-week periods to 2026-10-31, real Chrome visitors' tap response (inp) went from 87 ms to 90 ms at the 75th percentile (Chrome UX Report (opens in a new tab) history).

  • Largest content (LCP) got 11% slower for real visitors

    +11%

    Over the last 25 four-week periods to 2026-10-31, real Chrome visitors' largest content (lcp) went from 1.3 s to 1.4 s at the 75th percentile (Chrome UX Report (opens in a new tab) history).

  • 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.

3 checks passed
  • Speed Index: 2.1 s

    2.1 s

    Visually, the page fills in at 2.1 s (Speed Index), inside the 3.4 s “good” threshold.

  • First Contentful Paint: 0.9 s

    0.9 s

    The first text or image appears after 0.9 s, inside the 1.8 s “good” threshold.

  • Total Blocking Time: 14 ms

    14 ms

    Scripts block the page for only 14 ms while loading. Good is under 200 ms.

Images and page weight

2 to fix78
  • Page weight: 2.9 MB in 274 requests

    2.9 MB

    Your homepage downloads 2.9 MB in 274 requests on a phone: images 1.3 MB (63), other files 1,002 KiB (157) and scripts 377 KiB (41). Under 2 MB keeps phones on slow connections fast.

  • 16 images below the first screen load straight away

    16 images further down the page (384 KiB) download before anyone scrolls to them. Adding loading="lazy" lets the first screen load first.

  • About 0.8 g of CO₂ per visit

    0.82 g

    By the Sustainable Web Design model, a visit to your homepage emits about 0.82 g of CO₂e: 98.5 kg a year at 10,000 visits a month. It scales with page weight, so every byte cut lowers it.

2 checks passed
  • Images use modern formats

    Every sizeable image is WebP, AVIF or SVG.

  • Images are sized for phones

    No image is downloaded at more than three times the size it is drawn on a phone.

Accessibility

7 to fixGoogle 7588
  • Invalid ARIA attributes

    6 elements use ARIA attributes their role does not allow, which confuses screen readers.

  • ARIA attributes must conform to valid values (6 elements)

    ARIA attributes must conform to valid values: 6 elements on the page fail this check, rated critical by axe-core.

  • 16 tap targets too small

    16 tap targets are too small or too close together to hit reliably with a finger.

  • Interactive controls must not be nested (9 elements)

    Interactive controls must not be nested: 9 elements on the page fail this check, rated serious by axe-core.

  • 6 text elements with low contrast

    6 text elements don't have enough contrast against the background to read easily, especially outdoors on a phone.

  • Links must have discernible text (3 elements)

    Links must have discernible text: 3 elements on the page fail this check, rated serious by axe-core.

  • 39 images without alt text

    39 images have no alt text, which hurts accessibility and image search.

  • Headings skip levels

    Headings skip levels (h2 → h4), which makes the page harder to scan with a screen reader.

1 checks passed
  • 49 automated accessibility rules passed

    axe-core 4.13.0, the open-source engine behind most accessibility testing tools, ran 57 WCAG 2.2 A/AA and best-practice rules on the phone render: 49 passed and 8 failed. 1 more need a person to judge. Automated rules catch about a third of accessibility problems; the rest need manual testing.

SEO

1 to fixGoogle 9295
  • Meta description is long (172 characters)

    Your meta description is 172 characters; Google truncates after about 160, so the end of your pitch is cut.

  • 57 internal links, 8 external

    The homepage links to 57 pages on customboatflag.com and 8 external pages.

7 checks passed
  • One H1 headline

    Your main headline reads: “<img src="//customboatflag.com/cdn/shop/files/logo1_195x.png?v=1614735073" srcset="//customboatflag.com/cdn/shop/files/…”.

  • Title: 59 characters

    Your title is a healthy 59 characters: “Custom Boat Flags | Design Your Own Boat Flag – Nauti Flags”.

  • Canonical URL set

    The canonical URL is https://customboatflag.com/.

  • Structured data in place

    Structured data found: Organization 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://customboatflag.com/sitemap.xml.

AI search readiness

100
  • No llms.txt

    There is no /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: 4 of 6 facts

    Your Organization JSON-LD gives name, url, logo and sameAs (social profiles); description and contact details would complete it.

  • Text is in the HTML

    Your server sends the page's text in the HTML (1,034 words), so crawlers that don't run JavaScript still read it.

Other pages

100
  • 15 internal pages checked

    We fetched 15 pages linked from your homepage (of 22 found) and read each the way a search engine does.

7 checks passed
  • Linked pages load

    12 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 12 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 12 pages that loaded have a <title>.

Best practices

3 to fixGoogle 9285
  • 8 small tap targets

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

  • 5 JavaScript errors while loading

    5 errors were logged to the browser console while the page loaded, for example “Failed to load resource: the server responded with a status of 404 ()”.

  • 3 distorted images

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

1 checks passed
  • Mobile viewport set

    The page declares a mobile viewport.

Security and trust

1 to fix93
  • 1 broken external link

    1 link to other sites is dead, for example https://twitter.com/boatflag_me (404).

  • Short HSTS lifetime

    HSTS is set, but max-age is 91 days; one year is the recommended minimum.

  • No Referrer-Policy

    No Referrer-Policy header, so full URLs can leak to the sites you link to.

  • No Permissions-Policy

    No Permissions-Policy header to switch off camera, microphone and location for embedded content.

  • Deprecated X-XSS-Protection

    X-XSS-Protection is set to “1; mode=block”; the header is deprecated and can introduce bugs. Use 0 or remove it.

  • No security.txt

    There is no /.well-known/security.txt telling researchers how to report a security problem to you.

6 checks passed
  • Served over HTTPS

    The homepage is served over HTTPS (customboatflag.com).

  • Valid certificate (47 days left)

    The certificate from Let's Encrypt · YE2 verifies for customboatflag.com and is valid for another 47 days.

  • Protected from clickjacking

    X-Frame-Options or a frame-ancestors policy stops other sites framing yours.

  • Content-Security-Policy set

    A Content-Security-Policy is set, the main browser-side defence against injected scripts.

  • http:// redirects to https

    http://customboatflag.com redirects to the secure version.

  • HTTP/2 and HTTP/3

    The server speaks HTTP/2 and advertises HTTP/3, so browsers load many files over one connection.

Domain and trust

1 to fix
  • Domain expires in 54 days

    customboatflag.com is registered until Jan 2027. Make sure auto-renew is on and the card on file is current.

  • No CAA record

    customboatflag.com has no CAA record, so any certificate authority may issue a certificate for it. A CAA record naming your provider (for example letsencrypt.org) closes that door.

  • DNSSEC is off

    customboatflag.com's DNS answers are not signed. DNSSEC stops attackers forging them to send visitors or email elsewhere; most registrars switch it on in a click, though most sites still run without it.

1 checks passed
  • Domain is 7 years old

    7 years

    customboatflag.com was registered in Jan 2019 through GoDaddy.com, LLC. An established domain carries more trust with email providers and search engines.

Content and conversion

2 to fix83
  • Thin social proof

    Social proof on the homepage: 39 testimonial or review blocks. Pairing it with named testimonials or customer logos makes it far more convincing.

  • No analytics detected

    No analytics or tag manager detected in the HTML, so you can't measure whether any of these fixes work.

  • 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 844 words of copy

    The homepage carries about 844 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: “GET STARTED”.

  • 13 calls to action

    The homepage has 13 calls to action, for example “Custom Quote”, “Get Started” and “Contact”.

  • 1 short form

    A short form (1 field at most) is right on the homepage.

  • Direct contact links

    Visitors can reach you directly: 1 phone link and 0 email links.

Email authentication

1 to fix85
  • No DKIM key on the usual selectors

    We found no DKIM key on the selectors the big email providers use. If you send through one of them, turning on DKIM signing improves delivery.

  • Email authentication score: 85/100

    Email authentication: SPF record 25 points, plus 15 when it ends in -all (10 for ~all); DMARC record 25, plus 25 for a reject policy (15 for quarantine); a DKIM key on a common selector 10.

2 checks passed
  • DMARC policy: reject

    DMARC tells receivers to reject mail that fails authentication, and sends you reports.

  • SPF in place (~all)

    An SPF record lists your sending servers and marks other mail as suspicious (~all): “v=spf1 include:_spf.google.com ~all”.

Privacy and tracking

1 to fix
  • 4 trackers load before any consent

    4

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

  • 11 cookies set on arrival

    11

    Opening the homepage sets 11 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.

  • 22 other companies contacted

    Loading the homepage contacts 22 hosts run by other companies (fonts, scripts, analytics, ads), each of which sees the visitor's IP address.

Apps on your store

Your storefront loads 5 apps. Each one is code from another company running for your shoppers.

None of the apps your storefront loads is on the list of apps with a known security problem.

Apps your storefront loads

powr.io · kudobuzz.com · halosecurity.com · cloudfront.net · nfcube.com

Apps found in the homepage's code. Apps that only run in checkout or the admin aren't seen, and a headless storefront shows none. App data from programmable.info

Upkeep, stack and company

No signs of neglect in what was checked: the copyright year, CMS and plugin versions, and jQuery.

Stack

E-commerce
Shopify
Hosting
Shopify

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

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