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JavaScript, Java, AJAX & Flash

In the past, search engines found it hard to read any links and information that did not appear in HTML format within a page’s ASCII text file. Google Image Search, is continuing to improve and this is why it is becoming integral to the search engine’s algorithms.

Javascript and Java

Javascript and Java aren’t associated with one another . the previous is typically embedded on pages and has become more visible to look engine crawls, with spiders now even ready to follow link redirects found out in Javascript.

However, including an excessive amount of Javascript is bad for program rankings, and a few web crawlers are unable to index pages that contain information coded that way. Therefore, all links or redirects should be revealed in simple HTML format, and content shouldn’t be hidden behind “Read More” icons.

Java may be a more complex coding language, which has more discrete functions than Javascript. Without including keywords within the alt text of a Java console, as you’d for a picture, you render the content totally invisible to search engines. it’s also possible to incorporate an HTML transcript of your Java page’s text content, very similar to including a transcript of an audio file, for the sake of improved search visibility.

Must Read: Heading Tags Tips

AJAX

AJAX changes to content on a page without changing the page’s URL. As a result, search engines are unable to index this. Google had developed how to crawl AJAX-enhanced pages in 2009, but ceased recommending the utilization of AJAX in 2015, although tests have shown that Google remains ready to crawl these pages. so as to be sure that your site is going to be comprehensively crawled while still featuring AJAX, your agency is going to be ready to build new URLs for the different versions of your content, and conduct standard redirects to them from other areas of the location using standard HTML.

Flash

Search engines are unable to ‘guess’ at the content contained in Flash, and as a result, the text contained in Flash animations won’t rank in Google Search Engine results pages (SERPS).

As search technology continues to evolve, search spiders are starting to identify a number of the content contained in videos and pictures. Optical Character Recognition (OCR) is already considerably live, allowing spiders to read images contained in un-spiderable content—to an extent.

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