[docs] Fix 301 redirection

Reported in https://app.ahrefs.com/site-audit/2944028/data-explorer?columns=pageRating%2Curl%2Ctraffic%2ChttpCode%2CcontentType%2Cdepth%2Credirect%2CincomingAllLinks&current=26-03-2025T021007&filterId=b3b75b6257a370fcf9f1f73befb5deb5&issueId=c64d8847-d0f4-11e7-8ed1-001e67ed4656&sorting=-pageRating

Author: oliviertassinari

docs/pages/blog/2019-developer-survey-results.md

@@ -327,5 +327,8 @@ We will run a similar survey next year to keep track of our progress.
 
 If you want to continue to influence our roadmap, please upvote 👍 the issues you are the most interested in on GitHub.
 
-<img src="/static/blog/2019-developer-survey-results/vote.gif" style="display: block; margin: 0 auto;" alt="How to upvote on GitHub" />
+<video style="width: 550px;" autoplay muted loop playsinline width="1716" height="1362">
+  <source src="/static/blog/2019-developer-survey-results/vote.mov" type="video/mp4" />
+</video>
+
 <p class="blog-description">Help us prioritize by upvoting.</p>

docs/pages/blog/2020-developer-survey-results.md

@@ -315,5 +315,8 @@ We will run a similar survey next year to keep track of our progress.
 
 If you want to continue to influence our roadmap, please upvote 👍 the issues you are the most interested in on GitHub.
 
-<img src="/static/blog/2019-developer-survey-results/vote.gif" style="width: 550px; margin-bottom: 8px;" alt="How to upvote on GitHub" />
+<video style="width: 550px;" autoplay muted loop playsinline width="1716" height="1362">
+  <source src="/static/blog/2019-developer-survey-results/vote.mov" type="video/mp4" />
+</video>
+
 <p class="blog-description">Help us prioritize by upvoting.</p>

docs/pages/blog/2021-developer-survey-results.md

@@ -163,7 +163,7 @@ It's a good thing to have a general sense of agreement with most of the statemen
 
 <img src="/static/blog/2021-developer-survey-results/5.png" width="2400" height="1256" loading="lazy" alt="Ranked list: 1. The design - look and feel; 2. Customizability; 3. Documentation quality; 4. Comprehensiveness; 5. Performance; 6. Popularity; 7. Accessibility; 8. Offered support and help; 9. Bundle size" />
 
-<p class="blog-description">1500 out of 1589 answered - Check <a href="https://www.typeform.com/help/a/ranking-question-360052767651/">Typeform's documentation</a> to understand ranking average calculations.</p>
+<p class="blog-description">1500 out of 1589 answered - Check <a href="https://help.typeform.com/hc/en-us/articles/360052767651-Ranking-question">Typeform's documentation</a> to understand ranking average calculations.</p>
 
 This year we experimented with using Typeform to run the survey, which allows respondents to rank their choices.
 This might have given us a richer perspective than we've been able to capture in the past, but in the end the results weren't too different from last year.
@@ -802,7 +802,13 @@ Your feedback from this survey helped us to better understand the areas where we
   This is especially [important for mobile experiences](https://www.youtube.com/watch?v=mLjxXPHuIJo&t=76s).
   We welcome your suggestions!
 
-If you want to continue to influence our roadmap, you can visit the [MUI Core](https://github.com/mui/material-ui) and [MUI X](https://github.com/mui/mui-x) repositories, open issues, upvote the ones you're most interested in, or leave your thoughts about anything else you want to be improved. We'd love to hear from you.
+If you want to continue to influence our roadmap, you can visit the [Material UI](https://github.com/mui/material-ui) and [MUI X](https://github.com/mui/mui-x) repositories, open issues, upvote the ones you're most interested in, or leave your thoughts about anything else you want to be improved. We'd love to hear from you.
+
+<video style="width: 550px;" autoplay muted loop playsinline width="1716" height="1362">
+  <source src="/static/blog/2019-developer-survey-results/vote.mov" type="video/mp4" />
+</video>
+
+<p class="blog-description">Help us prioritize by upvoting.</p>
 
 Thanks again and until the next survey!
 

docs/pages/x.tsx

@@ -39,7 +39,7 @@ export default function X() {
         <XRoadmap />
         <Divider />
       </main>
-      <AppFooter stackOverflowUrl="https://stackoverflow.com/questions/tagged/mui-x" />
+      <AppFooter stackOverflowUrl="https://stackoverflow.com/questions/tagged/mui-x-charts+or+mui-x-data-grid+or+mui-x-date-picker+or+mui-x-tree-view" />
     </BrandingCssVarsProvider>
   );
 }