FullCheckApp Knowledge Base
Website checks, analytics and ads — explained simply
What each check means, why it matters, and what happens to your website or ads when something quietly breaks.
Website monitoring
Website monitoring
Your website’s technical health: availability, speed, analytics tags, search engine settings, product feeds and the key text on your pages.
Website availability check
What “website down” actually means, how 500 and 503 errors differ from a timeout, and why visitors may not reach your website even though it works for you.
Inner page availability check
Why the home page can work while the catalog, cart or checkout returns an error, and which pages to check first.
Website speed check
What PageSpeed and Core Web Vitals are, and how loading speed affects your Google rankings and the number of leads you get.
Domain expiration monitoring
What happens when a domain registration expires: the website, email and ads all stop. How to find the expiration date and never miss a renewal.
Google Tag Manager check
What a GTM container is, why analytics and pixels run through it, and what breaks when the container code disappears from your pages.
Google Analytics 4 tag check
How the GA4 tag collects visitor data, why it can vanish after a website update, and what that means for your reports and ads.
Facebook Pixel check
Why you need the Meta Pixel, how it sends events to your ad account, and what happens to retargeting when the pixel stops working.
TikTok Pixel check
What the TikTok Pixel does, what data it sends to optimize your ads, and how to tell whether it’s really installed on your website.
robots.txt check
What a robots.txt file is, how a single Disallow: / line hides your whole website from search engines, and why it often happens after moving from a staging site.
sitemap.xml check
Why a website needs a sitemap.xml, how search engines use it to find pages, and why pages can drop out of it.
Page SEO tags check
What a search engine sees on a page: title and description length, the H1 heading, noindex, canonical, hreflang and Open Graph tags for social media.
Schema.org markup check
What Schema.org structured data is, how it adds star ratings, prices and answers to Google results, and why it can quietly break.
Google Merchant Center feed check
What a product feed is, how Merchant Center pulls products from it for Google Shopping and Performance Max, and why a feed stops loading.
Feed product count monitoring
Why the number of products in a feed can suddenly drop, how that hits your Shopping ads, and how to catch the drop in time.
Title tag change monitoring
What a page title is, how it appears in search results, and why a CMS or plugin can quietly replace it.
Meta description change monitoring
What a meta description is, how Google builds the page snippet from it, and what happens when it gets rewritten or deleted.
H1 heading change monitoring
What an H1 heading is, why it matters to search engines and visitors, and how it changes when a website is edited.
Page text change monitoring
Why you should watch the text on key pages: an accidental edit, a new template or someone else’s admin access can change the content without you knowing.
Google Search Console + GA4
Analytics
Google Search Console and Google Analytics 4 data: how people find your website in search, who visits it and what drives results.
Google rankings and clicks monitoring
What clicks, impressions, CTR and average position mean in Google Search Console, and how to use them to spot pages losing search traffic.
Google page indexing check
What “indexed” means, why Google may not index a page, and how to check the status and canonical of a specific URL.
GA4 website traffic monitoring
Which GA4 metrics really matter — users, new and returning users, engagement — and how to read them month over month.
Conversion and conversion value monitoring
What conversions and key events are in GA4, how their value is passed along, and how to work out how much money each channel brings in.
Google Ads campaign monitoring in GA4
How to see Google Ads campaign cost, clicks and conversions in GA4, and what the “value / cost” metric (ROAS) tells you.
Budget, campaigns, products
Google Ads
Your Google Ads account: budget, errors, campaign performance and products in Google Shopping.
Google Ads balance monitoring
How a Google Ads account budget works, why ads stop when the money runs out, and how to plan top-ups around bank business days.
Google Ads error check
Disapproved ads, broken final URLs, advertiser verification: what each error means and why it stops your ads from showing.
Paused Google Ads campaign monitoring
Why a campaign can stop or become “Limited by budget”, and how many impressions you lose as a result.
CPC and cost per conversion monitoring
What CPC and cost per conversion are, why they spike, and how to tell a seasonal swing from a real problem.
Google Ads conversion drop monitoring
Same clicks, fewer conversions: how to tell whether the cause is the website, the lead form or conversion tracking.
Google Shopping product monitoring
Product statuses in Google Shopping: why a product is disapproved or not showing, what a bestseller is, and how to keep it in your ads.
Nothing found. Try another word — for example, “feed” or “GA4”.
Add your website address — the first check runs right away, and you’ll see what shape it’s in.
Check for freeWebsite monitoring18
01Website availability check11 min02Inner page availability check10 min03Website speed check13 min04Domain expiration monitoring9 min05Google Tag Manager check10 min06Google Analytics 4 tag check10 min07Facebook Pixel check9 min08TikTok Pixel check8 min09robots.txt check12 min10sitemap.xml check13 min11Page SEO tags check13 min12Schema.org markup check11 min13Google Merchant Center feed check10 min14Feed product count monitoring12 min15Title tag change monitoring12 min16Meta description change monitoring12 min17H1 heading change monitoring11 min18Page text change monitoring10 minAnalytics5
19Google rankings and clicks monitoring10 min20Google page indexing check10 min21GA4 website traffic monitoring11 min22Conversion and conversion value monitoring9 min23Google Ads campaign monitoring in GA410 minGoogle Ads6
24Google Ads balance monitoring10 min25Google Ads error check9 min26Paused Google Ads campaign monitoring9 min27CPC and cost per conversion monitoring13 min28Google Ads conversion drop monitoring11 min29Google Shopping product monitoring12 minNothing found