Can an SEO company work with WordPress sites?
Yes. A self-hosted WordPress site gives an SEO company direct control over almost everything it needs: titles and descriptions, address structure, redirects, robots.txt, sitemaps, structured data, templates, and the code that affects speed. That control is the advantage and the risk. The same openness that lets a company fix anything lets plugins, themes, and settings break things quietly, so WordPress work is as much about keeping the site in order as about optimizing it.
What the company can control
On WordPress, the company can edit each page’s title and meta description, set clean permalinks, manage redirects, decide which pages are indexed, generate and clean the sitemap, add structured data, and change the theme’s templates where a fix needs code. Work that would need a support ticket or a workaround on a closed builder can be done directly, provided the company has the right level of access and a safe way to test changes before they reach the live site.
One SEO plugin, chosen deliberately
SEO plugins such as Yoast SEO, Rank Math, and All in One SEO gather titles, descriptions, sitemaps, schema, redirects, and indexing settings in one place. A plugin carries out decisions; it does not make them, and installing one does nothing for rankings on its own. The rule a company should follow is one SEO plugin per site. Two active at once can produce duplicate meta tags, competing sitemaps, and contradictory indexing instructions, and when a site has changed plugins over the years, leftover settings from the old one need checking.
The setting that hides a whole site
WordPress has a checkbox under Settings, Reading labeled “Discourage search engines from indexing this site”. The WordPress.org guide to the Reading settings screen explains that since version 5.3, ticking it adds a robots meta tag with noindex and nofollow to the site’s pages, and notes that “Neither of these options blocks access to your site” and that it is up to search engines to honor the request. The box is useful on a development or staging copy. Left ticked after launch, or carried over when a staging site is copied to production, it asks search engines not to index any page of the site. A company checks this setting at the start of any engagement and after every launch or migration.
Plugins, themes, and speed
Every plugin can add scripts, styles, and database queries, and some load them on every page whether they are needed or not. Heavy themes with sliders, effects, and page-builder code add more. A company reviews the plugin list, removes what is unused or duplicated, keeps one tool per job, and measures the effect on loading and responsiveness in Search Console’s Core Web Vitals report rather than in a single speed test.
Updates and security
WordPress core, themes, and plugins all receive updates, some of them security fixes. An out-of-date plugin can be the way spam pages and injected links get onto a site, which then becomes an SEO problem. The company should agree with you who applies updates, how they are tested first, and who checks Search Console’s security issues report.