Some stakeholders have issued official statements on the matter:
* On July 25, [[Mozilla Foundation|Mozilla]] opposed it,statingfor itcontradicting "contradictstheir ourprinciple principlesthat andanything visionthat forsupports it can access [[the Web]]".<ref>{{Cite web |title=Request for Position: Web Environment Integrity API · Issue #852 · mozilla/standards-positions |url=https://github.com/mozilla/standards-positions/issues/852 |access-date=2023-07-26 |website=GitHub |language=en}}</ref>
* On July 27, [[Vivaldi Technologies|Vivaldi]] opposed it,calling itas "simply dangerous" and claimed it would significantly limit the browsers that could be used.<ref>{{Cite web |date=2023-07-25 |title=Unpacking Google's new "dangerous" Web-Environment-Integrity specification |url=https://vivaldi.com/blog/googles-new-dangerous-web-environment-integrity-spec/ |access-date=2023-07-26 |website=Vivaldi Browser |language=en}}</ref>
* On July 29, the [[Free Software Foundation]] opposed it, as "an "all-out attack on the free Internet" and claimed it would significantly limit the browsers that could be used.<ref>{{Cite web |first=Greg|last=Farough|date=2023-07-28 |title="Web Environment Integrity" is an all-out attack on the free Internet |url=https://www.fsf.org/blogs/community/web-environment-integrity-is-an-all-out-attack-on-the-free-internet |website=Free Software Foundation |access-date=2023-07-28 |language=en }}</ref>
* On July 31, [[Brave (web browser)|Brave Software]] opposed it, as "junk that Google puts into [[Chromium (web browser)|Chromium]]".<ref>{{Cite web |last=Brinkmann |first=Martin |date=31 July 2023 |title=Brave Browser won't support Google's Web Environment Integrity API |url=https://www.ghacks.net/2023/07/31/brave-browser-wont-support-googles-web-environment-integrity-api/ |access-date=31 July 2023 |website=ghacks.net}}</ref>
* On August 7, the [[Electronic Frontier Foundation]] opposed it, as "a bad idea that Google should not pursue" and claimed it would significantly limit the browsers that could be used.<ref>{{Cite web |last1=Doctorow |first1=Cory |last2=Hoffman-Andrews |first2=Jacob |date=2023-08-07 |title=Your Computer Should Say What You Tell It To Say |url=https://www.eff.org/deeplinks/2023/08/your-computer-should-say-what-you-tell-it-say-1 |access-date=2023-08-07 |website=www.eff.org}}</ref>
* On August 11, the [[World Wide Web Consortium]] made clear that they won't take a stance as it was "not being worked on in W3C, nor has there been any submission [for W3C] review".<ref>{{Cite web |date=2023-08-11|url=https://www.w3.org/blog/2023/web-environment-integrity-has-no-standing-at-w3c/|title=Web Environment Integrity has no standing at W3C; understanding new W3C work|access-date=2023-08-11|website=www.w3.org}}</ref>
