A Better Look at Internal Links

September 11th, 2020 / Author : TrendiByte

Part of on-site SEO best practice is to provide internal links to other pages on your site. This will benefit your on-site SEO by allowing users and search bots to navigate your site easily, helping establish an “information hierarchy” for your site, and helping distribute ranking abilities around your website.

Internal links will allow search bots to crawl and index your pages in their keyword system. The links will create pathways for them so they can reach the pages that they can index in a structured manner. Be sure to provide links to all of your pages so they can be found. If some of your pages cannot be reached by the bots just because their links are hidden or buried, all on-site SEO applied to them will go to waste including the information those pages can offer to users.

Check below the common reasons why certain pages could not be reached and indexed:

 

  • Links that only appear in Submission-Required forms –

Any content or link that is only accessible through a submission form will be invisible or non-existent to search engines. This is because search engine bots will not attempt to submit forms just to try to access any information through them.

 

  • Links that can only be accessed through internal search boxes –

Search engine bots will also not attempt to perform searches within a website just to look for content, thus leaving all pages and content behind search box walls inaccessible and non-existent to search engines.

 

  •  Links in Un-Parseable Javascript-

Links to pages that are built or formed using Javascript tend to be uncrawlable or devalued, depending on the type of implementation. That is why, ideally, all links should be made using standard HTML instead of Javascript, especially on pages where gaining traffic is important.

 

  • Links that are only found in Flash, Java, and other Plugins –

Plugins are usually uncrawlable and inaccessible, so essentially, links in these platforms would be inaccessible to search engine bots too.

  • Links leading to pages that are blocked by Robots.txt or Meta robots Tag –

These REP (robots exclusion protocol) text files affect how search engine bots crawl a website’s pages. Some pages are blocked to disallow search bots both from crawling and indexing pages that do not need to be indexed, such as duplicate pages. These protocols are adjusted and applied according to the parameters set by the webmaster.

 

  • Links that appear on pages that contain more than 250 links –

Search engine bots have crawl limits of 150 links per page, which means they may stop crawling a page when they reach 150 crawled links on a single page.

This limit can be flexible, allowing bots to crawl as many as 250 links on a single page. However, it is best to practice limiting the number of links to 150 per page in order not to risk losing the ability to crawl more pages.

For example, if your page links to 150 external sites in the earliest parts of the content before providing a link to your own pages, you risk not having your other pages crawled because the bots have already reached their crawl limit of 150 links, each leading to pages outside your domain.

 

  • Links within Frames and I-Frames –

Links in both frames and I-Frames are technically crawlable, but they pose structural issues for search engine bots in terms of organization and following. The use of these will require a good technical understanding of how search engines work in indexing and following links in frames.

 

So far, those are the types of internal links that are hard to crawl or follow, which can affect your on-site SEO strategy. There may be pages that do not need to be crawled or indexed, but it will be best to build internal links using standard HTML for those pages that you need search engines to crawl and index.

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