What does Google say about SEO? /
The Images & Videos category compiles all official Google statements regarding visual content optimization for search engine optimization. This area encompasses recommendations on image alt attributes, modern formats like WebP, lazy loading implementation, srcset usage for responsive images, and optimization of thumbnails and embedded YouTube videos. Google's positions on these topics are crucial as visual content represents a major lever for enhancing user experience, reducing page load times, and increasing visibility in Google Images and universal search results. SEO practitioners will find clarifications on EXIF data handling, image indexing processes, best practices for naming visual files, and the impact of Core Web Vitals on media performance. Understanding official guidelines helps avoid common implementation mistakes, optimize crawl budget allocated to visual resources, and maximize organic traffic opportunities from image and video search. This documentation centralizes essential technical and editorial recommendations for an effective visual content strategy that aligns with Google's ranking factors and supports overall site performance in search results.
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★★★ Should you return a 404 or a 200 on a product page that's out of stock?
For temporarily unavailable products, displaying a page with a 200 code and an email alert option is acceptable. If the unavailability is long, switching to a 404 allows Google to optimize the crawl b...
John Mueller Oct 29, 2020
★★★ Are 307 HSTS redirections really invisible to SEO?
The 307 redirections you see in Chrome with HSTS aren't actually present on the server. Chrome displays a 307 result code to clearly indicate that an HSTS redirection has occurred, but this is just a ...
John Mueller Oct 28, 2020
★★★ Why have product structured data become essential for ranking in e-commerce?
Adding product structured data to detailed pages allows Google to provide enriched search and image results. If the markup is correctly implemented, users can see the price, availability, and review r...
Daniel Waisberg Oct 20, 2020
★★★ How can you create effective product pages that truly impress Google?
You need to create pages on the site that explain the products for sale, called Product Detail Pages (PDP). These pages must include high-quality images with a neutral or transparent background from v...
Daniel Waisberg Oct 20, 2020
★★ Can you really use lazy loading and data-nosnippet to control what Google displays in the SERPs?
Using lazy loading or the data-nosnippet attribute to exclude certain parts of a page from search snippets is perfectly acceptable. However, unverified reviews should not be used in structured data....
John Mueller Oct 16, 2020
★★★ How does alternating between noindex and index jeopardize your crawl budget?
Frequently alternating between noindex and index on pages disrupts Google. Pages with prolonged noindex are treated as 404s and crawled less frequently, making sitemap signals ineffective....
John Mueller Oct 16, 2020
★★★ Is alternating between index and noindex really dooming your pages to Google's oblivion?
If pages alternate between index and noindex, Google will eventually treat them as 404 pages and crawl them less frequently, regardless of submissions in the sitemap. This fluctuation is counterproduc...
John Mueller Oct 16, 2020
★★ Should you really use data-nosnippet to control your search snippets?
It is acceptable to use the data-nosnippet attribute to exclude certain parts of a page from search snippets. Lazy-loading is also a valid option for content that is intended solely for users....
John Mueller Oct 16, 2020
★★ Why does Google ignore your images during rendering for indexing?
Google often skips loading images during rendering because they are not necessary for most of the indexing process. The image index is a separate entity. This is why some images may appear as unavaila...
Martin Splitt Oct 15, 2020
★★★ Can lazy hydration really harm your crawl budget?
Lazy hydration can be beneficial for user experience and interactivity time. However, if it causes issues or if the content does not appear in the rendered HTML during testing, then lazy hydration doe...
Martin Splitt Oct 15, 2020
★★ Can a minor redesign really trigger a Page Layout penalty?
A minor redesign would not trigger a reevaluation of the layout (page layout). If a video with an ad is at the top of the page, Google should recognize it as a video landing page rather than assuming ...
John Mueller Oct 15, 2020
★★ How is Google Images leveraging licensed image markup?
Google has launched support for licensed images in Google Images. This allows image providers to provide more information about image licenses directly in search results. This can be done at the image...
John Mueller Sep 29, 2020
★★ How can you enable large image previews in Google Discover without using AMP?
For pages displayed in Google Discover, it is possible to enable large image previews to make them stand out. This can be done either through AMP pages or by using the max-image-preview attribute in t...
John Mueller Sep 29, 2020
★★ Should decorative images really be optimized for SEO?
If images are critical to your pages, find a way to display them in all cases. If they are purely decorative, their absence is not problematic for SEO....
John Mueller Sep 25, 2020
★★ Should we really serve low-resolution images for slow connections?
Instead of not displaying images to users with slow connections, it is recommended to use attributes like 'source set' to offer low-resolution versions of images rather than showing nothing at all....
John Mueller Sep 25, 2020
★★★ Should You Focus Exclusively on Core Web Vitals to Optimize Web Performance for SEO?
John Mueller indicated on Twitter that "webperf" (Web performance, page load times, etc.) was often a complex topic, but that for SEO, Google stuck to Core Web Vitals and that the 3 criteria of these ...
John Mueller Sep 21, 2020
★★★ Does the alt attribute still play a role in web page SEO?
The alt attribute should accurately describe the content of the image (e.g., transcribe a quote if the image is a quote). Google uses the alt to understand the image for Image Search, not for traditio...
John Mueller Sep 14, 2020
★★ Are <p> tags truly important for SEO, or does Google completely ignore them?
Google does not specifically treat the <p> tag as a strict semantic marker. During HTML rendering and text extraction, Google identifies coherent content blocks (paragraphs) by their visual and struct...
John Mueller Sep 14, 2020
★★ Can switching your WordPress theme really sabotage your SEO?
Changing a site's theme can have an SEO impact not through speed, but through the alteration of internal linking and the presentation of content. For example, a central image changing to a thumbnail c...
John Mueller Sep 14, 2020
★★★ Do Images in XML Sitemaps Count Toward the 50,000 URL Limit?
We know that XML Sitemap files are limited to 50,000 URLs. We also know that for each page URL, we can indicate the URLs of the main images it contains. But do these image URLs count as part of the 50...
John Mueller Sep 09, 2020
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