Fyber might be a bit more popular than PubMatic. We know about 1 link to it since March 2021 and only 1 link to PubMatic. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
This lead me to a CIDR owned by PubMatic Inc (pubmatic.com is blocked by the Adaway list):. Source: almost 2 years ago
There are companies that use WP as their main page( see https://snyk.io/ and https://fyber.com/ ). Source: over 2 years ago
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