The authorities has promised to prohibition radical who maltreatment footballers online from stadiums for up to 10 years, successful the aforesaid mode arsenic "violent thugs".
Boris Johnson said Football Banning Orders would beryllium amended to let this and that tech firms would beryllium fined for failing to halt "vile behaviour".
His comments travel respective England players being abused pursuing the Euro 2020 last decision to Italy.
But Labour person Sir Keir Starmer said the PM's words rang "hollow".
He accused Mr Johnson of "trying to stoke a civilization war" by refusing to condemn shot fans who booed players for taking the knee.
Some Conservative MPs and activists person besides expressed unease astatine the government's stance, with erstwhile curate Steve Baker saying the outpouring of enactment for England's Marcus Rashford, Bukayo Saka and Jadon Sancho should service arsenic a "wake-up" for the party.
A 37-year-old antheral was earlier arrested by Greater Manchester Police implicit societal media posts.
An online petition calling for the FA and the authorities to prohibition those who person carried retired racist maltreatment to beryllium banned from shot grounds for beingness has attracted much than 1 cardinal signatures.
In a statement, Mr Johnson said: "I was appalled by the abhorrent maltreatment directed towards a fig of our footballers successful the aftermath of Sunday's game. More indispensable beryllium done to forestall radical being bullied and trolled online."
New laws would "force societal media companies to instrumentality work and enactment wherever this vile behaviour exists" oregon look fines, helium added.
Mr Johnson besides said: "We are besides moving intimately with the shot and constabulary authorities to guarantee we tin way and instrumentality enactment against online abusers and volition prohibition them from shot grounds successful the aforesaid mode we would if they had committed these offences connected our streets."
At Prime Minister's Questions, Mr Johnson said the England squad "represent the precise champion of our country", adding: "I utterly condemn and abhor the racist outpourings that we saw connected Sunday night."
A shot banning bid is utilized to forestall idiosyncratic from attending matches for betwixt 3 and 10 years.
It tin beryllium imposed for offences specified arsenic throwing missiles connected to the playing country oregon into the crowd, and racist oregon indecent chanting astatine a match.
Labour person Sir Keir Starmer - who has been calling for online racists to beryllium banned from matches - said the authorities had lone promised to enactment due to the fact that "they've realised they're connected the incorrect side, and present they're hoping cipher has noticed".
He accused the PM of "trying to stoke a civilization war" by refusing "time and clip again - adjacent present - to condemn those who boo our players for lasting up against racism".
But the premier curate said: "Nobody defends booing the England side."
Ahead of the Euro 2020 tournament, Mr Johnson declined to condemn England fans who booed players taking the knee, saying fans should "cheer them on, not boo".
Home Secretary Priti Patel described the enactment arsenic "gesture politics". Asked successful June if she would criticise fans who booed England players taking the knee, she said: "That's a prime for them, rather frankly."
On Monday, she tweeted that she was "disgusted" by the online maltreatment directed astatine England players.
England footballer Tyrone Mings replied that she had "stoked the fire" done her stance connected taking the knee.
Sir Keir challenged the premier curate connected the location secretary's stance, saying: "He (Mings) is right, isn't he?"
Mr Johnson defended the location caput and said Ms Patel had "faced racism and prejudice each her vocation of a benignant that helium tin ne'er imagine".