JavaScript SEO Services

All modern websites use JavaScript, but very few use it without the hidden cost.


We will improve your website with regards to:

Own tools, no guesswork


We make sure that Google and other search engines are able to render your pages and see your content.

Expert team

JavaScript-injected elements

We check if any elements of your website, such as menus or main content, aren’t negatively affected when JavaScript is executed.

Unique attitude


We see if JavaScript is optimally run from the performance perspective and doesn’t negatively impact your web performance.


Our workflow

  • Research

    We crawl your website with and without executing JavaScript and perform various other analyses to locate areas that need improving.

  • Index coverage analysis

    We check if your JavaScript content is being rendered and indexed correctly by search engines.

  • Preparing prioritized, actionable recommendations for your developers

    We want to work with your devs, and they love working with us. Direct communication allows for rapid improvement, which is why we prefer to join your communication channels. We identify the most severe problems and the lowest hanging fruit to provide you with instant gains.

  • Finding unique solutions to your unique needs

    With your business goals in mind, we prepare a plan of action that will work for you. Whether it’s switching to server-side rendering or using a more suitable JavaScript framework, we adjust the recommended strategy to your needs.

  • Support

    We are always available for ad hoc consulting.

Our customers love what we do

“We were impressed by the technical depth of the initial audit and how fast Onely responded to our questions.” 

Kevin Indig

Head of SEO, G2 (now @ Shopify)

“After implementing all of Onely’s strategies and implementations, the company’s organic traffic rose by 129%. The team was kind and professional, making working with them efficient and pleasant.”

Arkadiusz Łatko

Online Marketing Expert, Europejski Fundusz Leasingowy SA

“I don’t feel like they are a third-party service provider.

I feel that they are an internal part of our team.”

Joel A. Thomas

CEO, Stratos Jet Charters, Inc.

“They really know their stuff regarding technical SEO. The team is experienced with coding, analyzing server logs, and on-page optimization.”

Olivian Stoica

SEO Expert, 123FormBuilder SRL

“After months of stagnation, our visibility was suddenly unblocked and growing quickly right after we implemented recommendations from Onely.”

Łukasz Klimkiewicz

Head of IT, Abriga Polska

“It’s rare to find a group of employees with such specialist knowledge, they uncovered much more than we expected…”

Ash Turner


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