Add missing alttexts

website/docs/usage/101/_vectors-similarity.mdx

@@ -134,6 +134,7 @@ useful for your purpose. Here are some important considerations to keep in mind:
 <Image
   src="/images/sense2vec.jpg"
   href="https://github.com/explosion/sense2vec"
+  alt="sense2vec Screenshot"
 />
 
 [`sense2vec`](https://github.com/explosion/sense2vec) is a library developed by

website/docs/usage/layers-architectures.mdx

@@ -113,6 +113,7 @@ code.
 <Image
   src="/images/thinc_mypy.jpg"
   href="https://thinc.ai/docs/usage-type-checking#linting"
+  alt="Screenshot of Thinc type checking in VSCode with mypy"
 />
 
 </Accordion>

website/docs/usage/projects.mdx

@@ -943,7 +943,7 @@ full embedded visualizer, as well as individual components.
 > $ pip install spacy-streamlit --pre
 > ```
 
-![](/images/spacy-streamlit.png)
+![Screenshot of the spacy-streamlit package in Streamlit](/images/spacy-streamlit.png)
 
 Using [`spacy-streamlit`](https://github.com/explosion/spacy-streamlit), your
 projects can easily define their own scripts that spin up an interactive

website/docs/usage/visualizers.mdx

@@ -437,6 +437,6 @@ Alternatively, if you're using [Streamlit](https://streamlit.io), check out the
 helps you integrate spaCy visualizations into your apps. It includes a full
 embedded visualizer, as well as individual components.
 
-![](/images/spacy-streamlit.png)
+![Screenshot of the spacy-streamlit package in Streamlit](/images/spacy-streamlit.png)
 
 </Grid>

website/pages/index.tsx

@@ -89,8 +89,8 @@ const Landing = () => {
                 </LandingCard>
 
                 <LandingCard title="Awesome ecosystem" url="/usage/projects" button="Read more">
-                    Since its release in 2015, spaCy has become an industry standard with
+                    Since its release in 2015, spaCy has become an industry standard with a huge
-                    a huge ecosystem. Choose from a variety of plugins, integrate with your machine
+                    ecosystem. Choose from a variety of plugins, integrate with your machine
                     learning stack and build custom components and workflows.
                 </LandingCard>
             </LandingGrid>
@@ -206,7 +206,10 @@ const Landing = () => {
             <LandingGrid cols={2}>
                 <LandingCol>
                     <Link to="/usage/projects" hidden>
-                        <ImageFill image={projectsImage} />
+                        <ImageFill
+                            image={projectsImage}
+                            alt="Illustration of project workflow and commands"
+                        />
                     </Link>
                     <br />
                     <br />

website/src/components/card.js

@@ -19,7 +19,7 @@ export default function Card({ title, to, image, header, small, onClick, childre
                 <H5 className={classes.title}>
                     {image && (
                         <div className={classes.image}>
-                            <ImageNext src={image} height={35} width={35} alt="" />
+                            <ImageNext src={image} height={35} width={35} alt={`${title} Logo`} />
                         </div>
                     )}
                     {title && (

website/src/components/title.js

@@ -51,7 +51,7 @@ export default function Title({
 
                     {image && (
                         <div className={classes.image}>
-                            <Image src={image} width={100} height={100} alt="" />
+                            <Image src={image} width={100} height={100} alt={`${title} Logo`} />
                         </div>
                     )}
                 </div>

website/src/templates/universe.js

@@ -83,7 +83,7 @@ const UniverseContent = ({ content = [], categories, theme, pageContext, mdxComp
                                     const header = youtube && (
                                         <Image
                                             src={`https://img.youtube.com/vi/${youtube}/0.jpg`}
-                                            alt=""
+                                            alt={title}
                                             width="480"
                                             height="360"
                                             style={{