How Plasterers Can Use Before and After Photos to Boost SEO
Every plasterer carries a phone capable of capturing proof of their work. Most never use those photos properly. Done right, before and after photos are one of the most powerful SEO tools available to a plastering business and they cost nothing to produce.
Why Before and After Photos Matter for Plastering SEO
Google measures how users behave on a website. When someone lands on a page and immediately leaves, that tells Google the page did not deliver what the searcher was looking for. When someone stays, scrolls and engages with the content, that tells Google the opposite. Before and after photos keep people on the page. They scroll to see the transformation. They look at the detail. They spend time on the site in a way that text alone rarely achieves.
That engagement is an indirect SEO signal that matters more than many plasterers realise. Longer time on page, lower bounce rate and deeper scroll depth all indicate to Google that the content is genuinely useful and worth ranking. Photos create that engagement naturally in a way no amount of keyword optimisation can fully replicate.
Beyond engagement, photos serve two more direct SEO functions. They give Google image search a reason to index your work and show it to people searching visually. They also provide a platform for keyword-rich alt text and file names that help your pages rank for the specific services shown in the images. A before and after photo of a rendered exterior is not just a trust signal for potential customers. It is an additional ranking opportunity for searches related to external rendering in your area.
The Difference Between Photos That Help SEO and Photos That Do Nothing
Most plasterers who do upload photos make the same mistakes. They upload images with file names like IMG_4872.jpg and leave the alt text blank. The file is compressed to a low resolution that looks blurry on modern screens. The photos sit in a generic gallery page with no context, no description and no connection to a service page. Google cannot tell what the photo shows, where it was taken or what service it demonstrates.
A photo that helps SEO is named descriptively, has a well-written alt text, sits on a relevant page with supporting text and is properly compressed so it loads quickly without sacrificing quality. The difference between these two approaches is entirely in how the photo is prepared and placed. The photography itself can be identical.
"A before and after photo of a skimmed ceiling is worth nothing to Google if the file is called IMG_4872.jpg. Name it properly and it becomes a ranking asset."
The good news is that getting this right is straightforward once you understand what Google is looking for. It does not require expensive software or technical knowledge. It requires a consistent habit of preparing photos properly before uploading them. Five minutes of preparation per image produces meaningfully better results than five seconds of drag and drop.
How to Optimise Before and After Photos for Maximum SEO Impact
File naming
The file name of every image you upload tells Google what the photo shows. A file called before-after-skimming-bedroom-leeds.jpg tells Google this is a before and after photo of a skimming job in a bedroom in Leeds. A file called IMG_4872.jpg tells Google nothing. Rename every photo before uploading it. Use hyphens between words, include the service type and include your location. Keep the name descriptive and specific rather than generic.
If you are uploading a set of before and after photos from a rendering job in Coventry, name them something like external-rendering-before-coventry.jpg and external-rendering-after-coventry.jpg. This naming convention applies the same logic as your service page content. The more specific and accurate the file name, the more useful it is to Google's image indexing system.
Alt text
Alt text is the written description of an image that screen readers use for accessibility and that Google uses to understand what an image shows. It appears in the HTML behind the image and is invisible to website visitors. Every photo on your website should have unique, descriptive alt text. For before and after photos, describe what is shown in the image clearly and naturally. Something like "before photo of a damaged ceiling in a Victorian terrace ahead of plastering work in Sheffield" is far more useful than "before photo" or a blank field.
Alt text should be accurate and readable rather than stuffed with keywords. Write it as you would describe the image to someone who cannot see it. That natural description will typically include the service type, the location and the context of the work, which are exactly the signals Google finds valuable.
What every before and after photo needs before uploading
- A descriptive file name using hyphens with service type and location included
- Unique alt text describing what the image shows in natural language
- Compression to reduce file size without visible quality loss. Aim for under 200KB per image
- Correct orientation so the image displays correctly on all devices
- Consistent dimensions within a gallery for a clean, professional appearance
- Placement on the relevant service page rather than only in a general gallery
- A caption or surrounding paragraph that provides context for what the job involved
Image compression
Large image files slow your website down. Google measures page speed as a ranking factor and a gallery of uncompressed photos can significantly drag your mobile score below the threshold where rankings are affected. Compress every image before uploading it. Free tools like Squoosh or TinyPNG can reduce file size by 60 to 80 percent with no visible difference in quality on screen. A webpage that loads in two seconds will consistently outperform one that takes five, all else being equal.
Where to Use Before and After Photos for the Best SEO Results
Placement matters as much as preparation. Photos dropped into a standalone gallery page contribute less than those embedded within the pages Google is already trying to rank. The most valuable placement for before and after photos is directly on your service pages, positioned alongside the text that describes the service shown.
| Placement | SEO Value | Why It Works |
|---|---|---|
| Service pages for skimming, rendering, dry lining and similar services | Very high | Directly reinforces the service content and keeps users on a ranking page longer |
| Google Business Profile | Very high | Fresh photos signal an active business and improve map pack visibility directly |
| Project case study pages | High | Creates unique content around a specific job with location and service context |
| Homepage gallery or feature section | Medium | Demonstrates quality immediately but competes with multiple ranking objectives |
| Standalone gallery page | Low | No clear keyword focus so Google struggles to rank it for specific searches |
| Blog or informational articles | Medium | Adds visual evidence to content that is already targeting informational searches |
Your Google Business Profile deserves particular attention. Google explicitly uses photo activity as a signal of business engagement when determining map pack rankings. Adding two or three new photos of completed jobs every month contributes meaningfully to your local visibility. The photos do not need to be professionally taken. Consistent, genuine photos of real work consistently outperform occasional polished images in their effect on local rankings.
Turning Before and After Photos Into Case Studies That Rank
The highest SEO value from before and after photos comes when they are used to build project case study pages. A case study page is a dedicated page on your website that covers a specific job in detail. It includes photos of the work in progress, the before state and the finished result, alongside a description of the project, the challenge involved, the services used and the location. This creates a page that is unique, locally relevant, keyword-specific and visually engaging all at once.
Case study pages rank for long-tail searches that your service pages may not target. A page about re-skimming a Victorian terrace in Harrogate after water damage will attract visitors searching for exactly that type of work. Those visitors have high intent. They have a specific problem and they are looking for evidence that you have solved the same problem before. A before and after photo tells that story faster and more convincingly than any written description alone.
- Take the photos on site. Photograph the wall, ceiling or surface before work begins. Take progress shots during the job and a final photo once the work is complete. Consistency of angle makes the transformation easier to appreciate. Good natural light produces better results than flash photography in most indoor situations.
- Name and compress each file. Before uploading, rename every photo with a descriptive file name that includes the service type and location. Compress each image to under 200KB using a free tool like Squoosh. This takes under two minutes per image and makes a measurable difference to page speed.
- Create a short case study page. Write two to four paragraphs about the job. Describe the problem the customer had, the service you carried out, the materials used and the outcome. Include the location naturally in the first paragraph. This does not need to be long but it does need to be specific and genuine.
- Add the photos with alt text. Upload the before and after photos to the page with descriptive alt text for each. Position the before photo above or alongside the after photo so the transformation is clear. Add a brief caption beneath each image explaining what it shows.
- Link the case study from your service page. Add a link from the relevant service page to the case study. If the case study covers a skimming job, link to it from your skimming service page. This internal link distributes authority from your ranking service page to the new case study and helps Google understand the relationship between the two pages.
- Share the photos to your Google Business Profile. Upload the best before and after images directly to your Google Business Profile as well. This contributes to map pack visibility and gives potential customers browsing your profile immediate evidence of your work quality.
One case study per month published consistently builds a library of locally relevant, visually supported content that competitors relying solely on generic service pages cannot match. Over twelve months that is twelve unique pages each targeting specific work types and locations, all reinforcing the topical authority of your domain around plastering.
Frequently Asked Questions
Do I need a professional camera to take photos that help SEO?
No. A modern smartphone takes photos of sufficient quality for website use. The most important factors are good natural lighting, a steady hand and consistent framing so the before and after shots show the same angle. Professional photography produces better-looking images but the SEO benefit comes primarily from how the photos are named, compressed and placed rather than from their production quality.
How many before and after photos should a plastering website have?
There is no minimum but quality and placement matter more than quantity. Three well-named, well-placed before and after photos on a service page contribute more than thirty photos dumped into a gallery with no context. As a practical starting point, aim for at least one before and after set on each of your service pages and add new photos to your Google Business Profile at least twice per month. Build from there as you complete more jobs.
Does adding photos to Google Business Profile actually affect rankings?
Yes, directly. Google uses photo activity on a Business Profile as a signal of engagement and business health when calculating map pack rankings. Profiles with regularly updated photos tend to rank above inactive profiles with similar review scores. The photos should be of real completed work rather than stock images. Google can identify stock images and they carry significantly less weight than genuine job photos.
What should I write in the alt text for a before and after plastering photo?
Describe what the image shows as if you were explaining it to someone who cannot see it. For a before photo you might write something like "damp-damaged ceiling in a terraced house in Nottingham before re-plastering." For the after photo you might write "smooth skim coat finish on ceiling in Nottingham after plastering repair." Keep it accurate and natural. Include the service type and location where they fit naturally in the description.
Should I ask customers for permission before using photos of their property?
Yes. It is good practice to ask customers before photographing their property and mentioning their location. Most customers are happy to allow this, particularly if you explain you are using the photos for your website. A brief verbal agreement at the end of a job is usually sufficient for residential work. For commercial projects or any situation involving identifiable private information, a short written consent note is worth having.
Can before and after photos help with Google Image search as well as regular search?
Yes. Properly named and alt-tagged photos appear in Google Image search results. For plastering, this means images of your work can appear when someone searches for terms like "skimming before and after" or "rendering transformation." While image search traffic converts less reliably than standard search traffic, it does drive awareness and can lead to enquiries from people who find your work visually through image results and then visit your website.