testlibrary.com
Ranked #386 of 9,542 companies sending people to pay, with 390K checkout visits from April to September 2026.
Where its buyers pay
- PayPal390K100% of its checkout traffic · #285 among everyone sending to PayPal
Trend, April to September
April to September: -100%. Peak in August at 203K visits.
testlibrary.com sent 390K visits to checkout pages over six months, about 64.9K a month, which puts it at #386 of 9,542 senders we traced.
100% of that went through PayPal. It uses a single checkout, so its buyers all pay through PayPal.
Similarweb files it under Universities and Colleges. It isn’t one of the AI products we classified by hand, so it doesn’t count toward the AI total.
Visits are modelled third-party estimates, not revenue. Read what this can’t tell you before you act on a single number.
Every company, in one CSV.
The top 500 senders for each of 15 checkouts, plus all 9,542 companies ranked. Filter by niche and compare.