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  1. #1
    Member
    Join Date
    Jan 2021
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    India
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    39

    Can search engines crawl Javascript?

    Can search engines crawl Javascript?

  2. #2
    Registered User
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    Dec 2019
    Location
    United Arab Emirates
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    152
    Google can crawl and index JavaScript properly.

  3. #3
    Senior Member
    Join Date
    Jun 2020
    Location
    India
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    219
    Yes, search engines properly crawl and index javascript.

  4. #4
    Senior Member
    Join Date
    Aug 2020
    Posts
    1,517
    Googlebot can crawl lots of pages at the same time. It can even render JavaScript. But, as Google's Martin Splitt put it, “JavaScript requires an extra stage in the [crawling and indexing] process, the rendering stage.”

  5. #5

  6. #6
    Senior Member
    Join Date
    Nov 2018
    Posts
    1,853
    JavaScript can complicate the search engines' ability to read your page, leaving room for error, which could be detrimental for SEO. When a search engine downloads a web document and starts analyzing it, the first thing it does is understand the document type.

  7. #7
    Senior Member
    Join Date
    Dec 2019
    Posts
    1,837
    Google can crawl JavaScript, but not all JavaScript. That's why it is so important to implement graceful degradation to your webpages. That way, even when the search engine can't render your web pages properly, at least it won't be catastrophic (think Hulu).

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