JavaScript SEO Question

Francis Begbie · May 15, 2022

Hi guys,

If no on-page content is viewable in a browser with JS turned off, but the content is still indexed in Google, to what extent is JS likely going to be a challenge to search engines in these cases? When running it through Google's Mobile-Friendly Test, it shows the content on the page in HTML format - so presumably there would be no major issues with indexation, other than the time taken to index being slower?

Cheers

HungryKarma · May 15, 2022

Sorry, which is the question? Cos I believe your second sentence answers the first

Francis Begbie · May 15, 2022

HungryKarma said:
Sorry, which is the question? Cos I believe your second sentence answers the first

Not sure I was overly clear, apologies. If the content is being indexed by Google, are there likely to be wider implications related to the indexation in the future?

Gogol · May 15, 2022

I think what it does is it exhausts the crawl budget for the site faster, because the bot has to wait for the content to load. So, the site gets crawled for less amount of time than what it would be with html.

Francis Begbie · May 15, 2022

Gogol said:
I think what it does is it exhausts the crawl budget for the site faster, because the bot has to wait for the content to load. So, the site gets crawled for less amount of time than what it would be with html.

Thanks. Luckily it’s not every page and only a few - all of the text on the pages is indexed though.

Castamir · May 15, 2022

I haven't done any tests on the SEO effects of Javascript yet. Instead of throwing something out there that's not correct, I would advise you to run a test by yourself.
However from observation, judging by today's sets of embeddable content, it's obvious that Google pays attention to Java how, whether it's positive or negative, I don't know. However, running a test could reveal even more interesting things.

Francis Begbie · May 15, 2022

Castamir said:
I haven't done any tests on the SEO effects of Javascript yet. Instead of throwing something out there that's not correct, I would advise you to run a test by yourself.
However from observation, judging by today's sets of embeddable content, it's obvious that Google pays attention to Java how, whether it's positive or negative, I don't know. However, running a test could reveal even more interesting things.

I have done quite extensive testing with a few sentences of the content to see if it's indexed in Google, Bing & DuckDuckGo and it is all fully indexed.
I do feel as though there's a lot of misinformation about JS and SEO amongst the SEO community - the only time I have seen it cause problems was when the content changed based upon links on the page (essentially opening a new page) but the URL didn't change - haha - obviously in those instances it's a major issue.

Gogol · May 15, 2022

Castamir said:
I haven't done any tests on the SEO effects of Javascript yet. Instead of throwing something out there that's not correct, I would advise you to run a test by yourself.
However from observation, judging by today's sets of embeddable content, it's obvious that Google pays attention to Java how, whether it's positive or negative, I don't know. However, running a test could reveal even more interesting things.

This is true. I do have some experience with js rendered sites and it does index… that is for sure. The question is, how does it affect the ranking. I think this needs a case study for sure.

By the way, you don’t even need your own site for testing. Just get a site that has similar way of displaying content. For example, I think rarible.com still relies on js rendered content (it used to use reactjs last time i saw). Could be good for a case study.

JavaScript SEO Question

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