This could be because you are watching them on channels who have uploaded lower quality videos. Also it can be your connection's fault if it can't stream it in HD. See if you face same problem on their official channel.
Also recently Linkin Park had re-uploaded their songs from first two albums in higher quality.
What I've done and lots more if you want to check out all of his songs be sure to look it up on youtube
You can buy them on iTunes and then download to your device. You can also stream the songs from the official Linkin Park channel on YouTube. Or you can buy the album's CD online. Note that, downloading songs from internet is illegal and discouraged.
Go on YouTube. You can find many of the songs they did not make a video for, and all the songs they made a video for.
No album of linkin park has more than 15 songs. A thousand Suns has 15 songs.
Linkin Park has multiple album releases therefore they have many popular songs. Examples are In the end, Numb, Faint and Burn it down.
I'm Pretty sure its Rick Rubin
Linkin Park are famous for their songs! Their songs have a huge fan following. They are also famous for experimenting their music without any hesitation.
A Z Lyrics is one website where the lyrics to Linkin Park songs can be found. Song Meanings, Sing 365, and Song Texte are a few other websites where Linkin Park lyrics can be found.
Many songs of Linkin Park do not have a music video. In fact some of these songs were very famous. Songs like Don't Stay, With You, etc. are some examples.
See the link below for the most accurate Linkin Park guitar tabletures.
Linkin park has around +37 songs. They have their original albums & then the ones made for fans & the renactments & then the ones with Jay Z and what not.
Linkin park inspired RED and RED tryies to sound like linkin park i have not alot of there songs but their the closeist you will get from the legendary linkin park if you want someone that sounds a bit like linkin park then RED is the awser if it was not for linkin park then RED would not exsist