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I'm about to embark on building a music oriented website for a friend's band and I want to build something like this template. It uses ajax and deep linking.
My worry is that this site will not be crawlable by Google. Is there anything I can do or can code I can adjust to make it crawlable?
Many thanks in advance!
That template doesn't look crawlable to me. Googlebot will never find your content. If I go to the page for the template and view source, then search for "Gigs schedule with filter", I can't find it in the page source. That is because that particular content is loaded with AJAX and not part of the page source.
That template does not use Google's crawlable AJAX standard with #! in the url. https://developers.google.com/webmasters/ajax-crawling/ Googlebot will not be index the content on your site if you use that template.
Furthermore, there appear that there are some url issues. I see these two very similar URLS http://radykal.de/themeforest/stylico/features.html and http://radykal.de/themeforest/stylico/?page=features.html. As a user, if I visit that second url, I get the content, but I don't see the navigation. It seems likely that if googbot were to find the content, it would index that second url and use it as the landing page for your visitors. Missing navigation in that case would not be a good user experience, as users would not be able to navigate your site.
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Imagine you have a web page which has some static contents and some dynamic contents based on the user's session. For example, you may see a webpage with a menu at top of the page which displays username but the remaining content is completely cachable and static.
There could be a simple solution to achieve that:
You can handle the dynamic part of the page in the client side with ajax request (which is not cachable) e.g. single page applications.
There may be another solution that client sends a request to a middleware(e.g. API Gateway) and the middleware fetches static part from cache and dynamic part from the backend then returns aggregated content to the client.
In my idea, the worst solution is to disable the cache.
What Facebook is doing, loads dynamic part at first request, and loads remaining contents with XHR requests.
Questions:
What is the best practice for this issue?
What would be the drawback of the second solution?
What do you think about Stackoverflow top menu that displays your username?
An AJAX request (or fetch, or any other HTTP based request) may well be cached by using a RESTful service.
For more fine grained controll over what should be cached you could use a service worker, for example by adding https://developers.google.com/web/tools/workbox/ to your application.
If your dynamic data has to be updated live, you should also have a look at WebSockets. Depending on your stack you could use a wrapper library like SignalR, socket.io or simply follow one of the tutorials at http://websocketd.com/
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What is the diffrence between Ajax and autocomplete function.
I know autocomplete is a software function that completes words or strings without the user needing to type them in full.
Ajax is similar to it + other functions.
AJAX stands for "Asynchronous JavaScript and XML" and offers an alternative to the traditional "request-respond-cicle".
With AJAX you can get data from the server without your browser having to re-render the whole page.
Autocomplete on the other hand side mostly uses AJAX to get possible results on every key hit by the users.
Read more about AJAX here:
http://en.wikipedia.org/wiki/Ajax_(programming)
Autocomplete works only using data suggestions from the cache, Ajax works using data suggestions from the server in addition to the data from the cache.
Using Ajax, we can render certain parts of a web page without a rendering the whole web page, which significantly reduces the network bandwidth.
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I am working on a project where I have to validate the complete site, which has around 150 pages, through W3C Markup Validation. Is there a way to check W3C Markup Validation of an entire website?
The W3C doesn't offer this on w3.org.
http://validator.w3.org/docs/help.html#faq-batchvalidation
But you can use this tool and check "Validate entire site": (Also w3.org refers to this site!)
http://www.htmlhelp.com/tools/validator/
But you have a limit of 100 URLs to validate and will get this message when you reach 100 URLs:
Batch validation is limited to 100 URLs at one time. The remaining URLs were not checked.
Also there's a limit of errors displayed for each url.
The WDG offers two free solutions:
Validate entire site (select 'validate entire site')
Validate multiple URLs (batch)
You can run the validator yourself. As of 2018, W3C are using v.Nu for their validator, the code is at https://github.com/validator/validator/releases/latest and usage instructions are at https://validator.github.io/validator/#usage
For example, the following command will run it on all html files under the public_html directory:
java -jar vnu.jar --skip-non-html public_html
I use this tool bulk w3c html validator to validate my entire website
http://www.bulkseotools.com/bulk-w3c-validator.php
This tool uses W3c validator engine, you can check 500 urls at once.
I've used http://sitevalidator.com; I think it would be helpful to you.
I made this java app (Windows installer) in my spare time because I needed it at work:
https://gsoft.no/validator. It's free.
It uses either https://validator.w3.org/ or v.Nu running locally to validate an entire site.
It crawls a website and in the end makes a report with validator-links to all pages with warnings or errors. Because it crawls, all pages to be validated must be linked.
By running v.Nu locally you can validate an internal site (e.g. an intranet) which is not available online and therefore cannot be validated by online validators (unless you post the entire content of each page).
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I have a site made with SPRING mvc and jstl. It has a product catalog on it. Can any one give me some recomendations for making it SEO friendly ? I understand that google's spiders searches in the html pages. However, how do i help them index on what it´s on the database (mysql), like the products and some content ? should i read/do something extra ?
Thank you!
Open account with google webmasters: http://www.google.com/webmasters
Make your URIs SEO friendly Best way to create SEO friendly URI string
Write service that will create sitemap.xml file for your site. Sitemap should include all the pages that are not obvious to the indexing spider bots.
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Is it possible to host multiple websites that all have one single/common CMS (Joomla)?
Thanks.
Joomla offers a CMS to run a website on. Joomla uses mysql databases that just hold the information that will be shown on the content pages at the front. The way it is supposed to be used you won't be able to run multiple sites on a single cms.
You can't run 2 websites with different content on that single cms, but you can create multiple front ends on one cms. You could for example store your data using joomla and get it shown at the front using your own code. This way you will be able to have two interfaces / websites on one cms, both running on the same data.
So from what I read in your question I think the answer will be NO, unless you want to just apply another presentation to your data.
My own experience: I have used Joomla to just hold news articles that my web-master will add. I just used php to get those news-articles out of the mysql database and did that to make sure i could get my own presentation for the data displayed.
I actually beg to differ with those people that were so quick to say "NO!!" As of joomla version 1.5.x there are some components that allow you to do just that, most of them being commercial but there's also http://www.janguo.de/lang-en/Downloads/func-finishdown/31/ which is free at the moment. As of joomla version 1.6.x multiple sites will be integrated into joomla.
If what you need is to have several domains that point to the same Joomla (and to the same content) the answer is YES (see #S.Mark's answer).
If you want to use the same Joomla installation for two different websites (with different content), the answer is NO.
An alternative is to use some Joomla extension, such as:
http://extensions.joomla.org/extensions/core-enhancements/multiple-sites/5550
Yes you can, we have done this before. What you need to do is to have two databases though. We have just written about running multiple Joomla websites on the same Joomla installation. Hope you'll find it useful...
With CNAME record, you could able to mirror a web site to 2+ domains.