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    <p>CSS selectors perform far better than Xpath and it is well documented in Selenium community. Here are some reasons,</p> <ul> <li>Xpath engines are different in each browser, hence make them inconsistent</li> <li>IE does not have a native xpath engine, therefore selenium injects its own xpath engine for compatibility of its API. Hence we lose the advantage of using native browser features that WebDriver inherently promotes.</li> <li>Xpath tend to become complex and hence make hard to read in my opinion</li> </ul> <p>However there are some situations where, you need to use xpath, for example, searching for a parent element or searching element by its text (I wouldn't recommend the later).</p> <p>You can read blog from Simon <a href="http://old.eurostarconferences.com/blog/2013/1/28/liveblogged!-automated-web-testing-traps-for-the-unwary-with-simon-stewart">here</a> . He also recommends CSS over Xpath.</p> <p>If you are testing content then do not use selectors that are dependent on the content of the elements. That will be a maintenance nightmare for every locale. Try talking with developers and use techniques that they used to externalize the text in the application, like dictionaries or resource bundles etc. Here is my <a href="http://nileshdk.wordpress.com/2013/08/06/internationalization-automating-localized-ui-using-selenium-webdriver/">blog</a> that explains it in detail.</p> <h2>edit 1</h2> <p>Thanks to @parishodak, here is the <a href="http://elementalselenium.com/tips/34-xpath-vs-css-revisited-2">link</a> which provides the numbers proving that CSS performance is better</p>
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    1. POWhat is the difference between css-selector & Xpath? which is better(according to performance & for cross browser testing)?
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    1. POWhat is the difference between css-selector & Xpath? which is better(according to performance & for cross browser testing)?
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    1. COThanks for reply, right now we are using the excel file for store the page content & compare excel content with the page content. this can be done with the Xpath. If i like to replace all Xpath by CSS-selector, it gives the advantage or not?
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    2. COCSS selectors do not allow text. 'contains' is deprecated in CSS. Like I said above, have selectors independent of the content. Content can reside outside. You can talk to developers. They must have externalized the text. They most of the times have dictionaries per locale. So the keys in the dictionaries are same but the values change as per the locale. You can use these files to validate the content. Note that you need to convert native characters into ascii characters using nativ2ascii tool from JDK. I must write a blog on this. I did test many locales using this technique.
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    3. CONilesh, i got some idea but no full(some doubts are remains), please send me your blog link. so, i will to take follow up.
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