At what point is the canonical tag crawled
-
Do search engines (specifically Google) crawl the url in the canonical tag as it loads or do they load the whole page before crawling it?
Thanks,
-
Yes i think you are better off putting your time into fixing the canonical tag on the server side. It may even look sus doing what you are doing.
I would go to WMT and view as google bot and see how they see it, i think they will read the tag before any js.
-
It's for a temporary fix for a page that has been poorly made in a CMS. The template for the page contains a malformed canonical element so we're trying to bandage it up by inserting some js that removes this element into the body of the page. Obviously if the canonical URL is crawled before the js can run then it's pointless even trying.
-
Do you mean follow the canonical?
Eitehr way logic would suggestthat the page is read first. As html tags have a begining and end tag, trying to crawl a half loaded page would not work untill the end tags are read.
I am curiouse as to why you would want to know this?
Got a burning SEO question?
Subscribe to Moz Pro to gain full access to Q&A, answer questions, and ask your own.
Browse Questions
Explore more categories
-
Moz Tools
Chat with the community about the Moz tools.
-
SEO Tactics
Discuss the SEO process with fellow marketers
-
Community
Discuss industry events, jobs, and news!
-
Digital Marketing
Chat about tactics outside of SEO
-
Research & Trends
Dive into research and trends in the search industry.
-
Support
Connect on product support and feature requests.
Related Questions
-
Duplicate title while setting canonical tag.
Hi Moz Fan, My websites - https://finance.rabbit.co.th/ has run financial service, So our main keywords is about "Insurance" in Thai, But today I have an issues regarding to carnonical tag. We have a link that containing by https://finance.rabbit.co.th/car-insurance?showForm=1&brand_id=9&model_id=18&car_submodel_id=30&ci_source_id=rabbit.co.th&car_year=2014 and setting canonical to this url - https://finance.rabbit.co.th/car-insurance within 5,000 items. But in this case I have an warning by site audit tools as Duplicate Page Title (Canonical), So is that possible to drop our ranking. What should we do, setting No-Index, No-Follow for all URL that begin with ? or keep them like that.
Technical SEO | | ASKHANUMANTHAILAND0 -
Canonical Tags on Parameter Pages With Hreflang
Hey Everyone: We are currently implementing hreflang tags on our site, and we have many parameter pages with hreflang tags; however, I am afraid these may be counted as duplicate content without canonical tags. example.com/utm_source=tpi href='http://example.com/de" hreflang="de" rel="alternate" href='http://example.com/nl" hreflang="nl" rel="alternate" href='http://example.com/fr" hreflang="fr" rel="alternate" href='http://example.com/it" hreflang="it" rel="alternate" I have two questions 1. Do I need a canonical tag pointing to example.com ? 2. On the homepage without the parameter, should I add self referencing hreflang tags? (href="http://example.com/" hreflang="es" Thanks so much for your help! Kyle
Technical SEO | | TeespringMoz0 -
Reciprocal links and nofollow tag
What happens if I link to a site using the nofollow tag and they are linking back to me with a dofollow link? Will it give me as much power and link juice as if it was a one way link (to me) or will Google discount the link because it's reciprocal?
Technical SEO | | Livet0 -
Are duplicate page titles fixed by the canonical tag
Google Web Master Tools is saying that some of my pages have duplicate page titles because of pagination. However, I have implemented the canonical tag on the paginated pages which I thought would keep my site from being penalized for duplicate page titles. Is this correct? Or does canonical tag only relate to duplicate content issues?
Technical SEO | | Santaur0 -
Canonical tags
How hard is it to put in Canonical tags on a webpage? My web guy didn't do it because he put in redirects in place for all old URLs and all content
Technical SEO | | Boodreaux
(except error pages and advanced searches) should have a unique URL. By not having canonical tags does it lose link juice? Not sure if that question makes sense. 🙂 Poo1 -
Blocking AJAX Content from being crawled
Our website has some pages with content shared from a third party provider and we use AJAX as our implementation. We dont want Google to crawl the third party's content but we do want them to crawl and index the rest of the web page. However, In light of Google's recent announcement about more effectively indexing google, I have some concern that we are at risk for that content to be indexed. I have thought about x-robots but have concern about implementing it on the pages because of a potential risk in Google not indexing the whole page. These pages get significant traffic for the website, and I cant risk. Thanks, Phil
Technical SEO | | AU-SEO0 -
Why would you remove a canonical link?
Currently, my client's blog makes a duplicate page every time someone comments on a post. The previous SEO consultant told the developer to not put a canonical link directing it to the main blog post. Did taking out the canonical link result in these duplicate pages? My question is why would she recommend this action? Is it best to now add in the canonical link in or should we implement a 301 redirect or insert a index: no follow? Would adding a canonical link keep duplicate pages from happening in the future?
Technical SEO | | Scratch_MM0 -
Crawl Errors
Okay, I was just in my Google Webmaster Tools and was looking at some of the stats. I have 1354 "not found" pages google says. Many of these URL's are bizarre. I don't know what they are. Others I do know. What should I do about this? Especially all the URL's I don't even know what they are?
Technical SEO | | azguy0