What to fix first, not 10,000 rows
Issues are ranked by the pages they hurt and grouped by template and shared element, so a broken link in the menu is one fix, not one row per page.
Compare
GTmetrix alternative: PerfBee vs GTmetrix
PerfBee is a GTmetrix alternative that crawls the whole site instead of one URL at a time. Broken links, technical SEO and AI readiness are checked on every page, and Lighthouse tests run on the pages you pick.
Compared on 5 November 2026, from each product’s public documentation.
What PerfBee adds to GTmetrix
| Capability | PerfBee | GTmetrix |
|---|---|---|
| Whole-site crawl | Every page it can reach, on every plan, within its credits | Not listed; you add the pages to test |
| Broken links across the site | Every link on every crawled page, with the pages that link to it | Not listed; failed requests on the tested page |
| Technical SEO across pages | Indexability, hreflang, structured data and duplicates in a detailed crawl | Not listed |
| AI bot access, bot by bot | Each AI bot against robots.txt, plus llms.txt and Content-Signal, after each completed detailed crawl | Not listed |
| Real-user monitoring | Own script: Core Web Vitals from your visitors (Business and up) | Chrome UX Report data, where available; no own script |
| Critical CSS | Extracted per page, ready to inline | Not listed |
| Accessibility in the crawler | axe-core on one page per template; a sample, not an audit | Not listed |
| Alert when a page element disappears | Content Monitor (Enterprise) | Not listed; alerts on speed metrics |
| REST API and webhooks | Both on every plan; webhooks are signed | A REST API; no webhooks listed |
Checked 5 November 2026 against GTmetrix's public documentation. “Not listed” means we did not find it documented, not that it cannot be done. Something out of date? Write to support@perfbee.com and we fix it. Product names belong to their owners.
Three differences you can see
JavaScript SEO: what changes after rendering
Render pages in a browser and see what differs from the HTML the server sends: the canonical, links and text that appear only after JavaScript. 4 credits a rendered page.
Speed tests and real users, next to the crawl
Test any crawled page with Lighthouse on mobile and desktop, 2 credits a test. Add PerfBee’s own script for Core Web Vitals from your visitors (Business and up).
Which one to pick
Pick PerfBee if you want
- What to fix first, not 10,000 rows
- JavaScript SEO: what changes after rendering
- Speed tests and real users, next to the crawl
Keep GTmetrix if
GTmetrix suits you if you only need to test and watch the speed of a few pages.
How to switch from GTmetrix
Create a free account and add your site in My Sites.
Start a crawl: fast for links and status codes, detailed for SEO and AI readiness.
Open What to fix first, then Site Pages for every URL.
Schedule the crawl so the next one runs by itself.
Questions
Does PerfBee test page speed too?
Yes. Pick any crawled page and test it with Lighthouse on mobile and desktop, 2 credits a test, and schedule tests to follow its scores.
Does PerfBee find broken links on every page?
Yes. It checks every link on every page it crawls and lists, for each broken one, the pages that link to it.
Can I try PerfBee for free?
Yes. The Free plan includes the Site Crawler and needs no card. A fast crawl uses 1 credit a page, a detailed one 2.
Does PerfBee follow robots.txt?
Yes. PerfBeeBot follows robots.txt, waits as long as Crawl-delay asks (up to 10 seconds) and never gets around bot protection.
More to read
See it on your own site.
Crawl your site from the browser. The Free plan needs no card.
Start for free
Site Crawler is on every plan.