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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★★ 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
★★ 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
★★ 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
★★★ Do Core Web Vitals Really Matter for Google Rankings?
Gary Illyes explained on Reddit that the "Core Web Vitals (CWV)" project, which was set to launch in 2021, would not be a heavily weighted criterion in the algorithm: "Google strives to present the hi...
Gary Illyes Sep 09, 2020
★★★ Why does Google ignore your date structured data if it's not visible?
For Google to recognize the date of an article, it must be confirmed in the visible content, not just in structured data. The algorithms extract all dates (visible and metadata) and choose the one wit...
John Mueller Sep 04, 2020
★★ Should you really use the picture tag to serve your WebP images?
To implement WebP with a fallback, using the picture tag is recommended. This method is preferable to ensure compatibility with browsers that do not support WebP....
Google Sep 03, 2020
★★★ Should you really redirect all images during a site migration?
It is essential to implement 301 redirects for all images during a site migration. Visual content is very important for SEO. Since refreshing in the image index takes time, you should monitor the serv...
Martin Splitt Aug 27, 2020
★★★ Do Licensed Images Really Rank Better in Google Images?
John Mueller explained on Twitter that whether an image has a copyright or is available under a license (regardless of the license type) does not help it rank better in Google Images results. This is ...
John Mueller Aug 17, 2020
★★★ Do Hn Tags (H1-H6) Really Impact Google Rankings?
John Mueller explained in a hangout the importance of Hn tags (H1-H6) for Google's algorithm: "the headings on a page help us to better understand the content of the page. They're obviously not the on...
John Mueller Aug 17, 2020
★★★ Which Image Formats Should You Use in Structured Data to Optimize Your SEO?
Google has updated its online help regarding the image formats supported by structured data tags for this type of file. These are the following formats: BMP, GIF, JPEG, PNG, WebP and SVG......
Google Aug 17, 2020
★★★ Can you inject video tags via JavaScript without facing SEO penalties?
Google fully accepts that video tags and their metadata (poster image, etc.) can be injected by JavaScript instead of being present in the source HTML. If the tag is visible in the rendered HTML (veri...
Johannes Müller Aug 14, 2020
★★ Is Google really cropping your recipe images if you fail to provide the right formats?
For rich results related to recipes, if Google cannot find the required image formats (different width/height ratios for different displays), it may automatically crop the available images. It is esse...
Johannes Müller Aug 14, 2020
★★ Why does Google aggressively recrawl your site after a migration?
When Google detects significant changes on a site (URL structure change, domain migration), it may trigger an accelerated recrawl to quickly obtain an updated image. The site is neither paused nor rem...
John Mueller Aug 11, 2020
★★★ Are H1 and H2 tags really important for Google ranking?
Headings (H1, H2, etc.) help Google understand the content of a page better, but they are not the only ranking factor. A page can rank for keywords present only in H2 and not in H1. The level of the t...
John Mueller Aug 11, 2020
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