w3c-validation | 易学教程

No p element in scope but a p end tag seen.w3c validation

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问题 My HTML is as as below. I have opened all elements and closed them. Still when I check it on w3c it shows error. I cant figure it out. <!doctype html> <html> <head> <meta charset="utf-8"> <title>Untitled Document</title> </head> <body> <p> <div class="inr_content clearfix"> <div class="col2 first fl"> to provide a drive-in services. </div> <div class="col2 last fr"> to provide a drive-in services. </div> </div> </p> </body> </html> 回答1: That's because you are nesting a block level element

HTML 5 - Early Adoption Where Possible - Good or Bad?

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问题 This question was inspired a bit by this question, in which the most upvoted answer recommended using a feature from HTML 5. It certainly seemed to be a good method to me, but it made me curious about using features from a future spec in general. HTML 5 offers a lot of nice improvements, many of which can be used without causing problems in current browsers. Some examples: // new, simple HTML5 doctype (puts browsers in standards mode) <!doctype HTML> // new input types, for easy, generic

Validation error: “The itemprop attribute was specified, but the element is not a property of any item”

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For better SEO I need put some meta on my page like this:  <meta itemprop="name" content="The Name or Title Here"> <meta itemprop="description" content="This is the page description"> <meta itemprop="image" content="http://www.example.com/image.jpg"> Here is the source . Then I check this code on Markup Validation Service : <!DOCTYPE html> <html> <head lang="en"> <meta itemprop="name" content="The Name or Title Here"> <meta itemprop="description" content="This is the page description"> <meta itemprop="image" content="http://www.example.com/image.jpg">

“Start tag head seen but an element of the same type was already open”, but I don’t have a duplicate <head>

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问题 I am validating my web page code in the W3Schools and it keeps giving me this error message: Error: Start tag head seen but an element of the same type was already open. From line 5, column 1; to line 5, column 6 "utf-8">↩↩<head>↩<style> I have checked through my code and I can't see where I have made a duplicate of a head tag, can someone help me out please? <!DOCTYPE html> <html> <meta charset="utf-8"> <head> <style>table,th, td{border:1.5px solid red;} td{ padding: 15px;}</style> <title>

Validate HTML on local machine

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I'm currently trying to learn HTML and Java EE Servlet programming. I have an application server running on my local machine (Orion Application Server) and I'm connecting to web pages I've deployed on this server using a browser running on the same machine, directed to http://localhost/mypage.htm (for example). I know W3C has a site you can go to that will validate an HTML page (and count how many errors are found for a given doctype), but that has to be a publicly available URL. How do you validate HTML on a locally running setup like I've described above? Moin Zaman many options: see

No p element in scope but a p end tag seen.w3c validation

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My HTML is as as below. I have opened all elements and closed them. Still when I check it on w3c it shows error. I cant figure it out. <!doctype html> <html> <head> <meta charset="utf-8"> <title>Untitled Document</title> </head> <body> <p> <div class="inr_content clearfix"> <div class="col2 first fl"> to provide a drive-in services. </div> <div class="col2 last fr"> to provide a drive-in services. </div> </div> </p> </body> </html> That's because you are nesting a block level element inside the p tag which is invalid. You can only nest inline elements such as span , a and img inside p tag. So

“Start tag head seen but an element of the same type was already open”, but I don’t have a duplicate <head>

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I am validating my web page code in the W3Schools and it keeps giving me this error message: Error: Start tag head seen but an element of the same type was already open. From line 5, column 1; to line 5, column 6 "utf-8">↩↩<head>↩<style> I have checked through my code and I can't see where I have made a duplicate of a head tag, can someone help me out please? <!DOCTYPE html> <html> <meta charset="utf-8"> <head> <style>table,th, td{border:1.5px solid red;} td{ padding: 15px;}</style> <title> Index </title> </head> <body> <h1> Online store for cheese </h1> <table style="width:100"> <tr> <th

w3c validation error in asp.net

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问题 I am new in W3c validations, I am trying to fix this error but it's not happening. The error is following: character "&" is the first character of a delimiter but occurred as data. I am using DataList Control to bind data and here is the line where the w3c validation error occurs. <asp:Label ID="lblDescription" runat="server" Text='<%#Eval("Decr") %>'> </asp:Label> In database, the Decr is stored and this(&) special character is also given in the description field. w3c is not validating this

Handling UTF characters in html form submission

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问题 My html form has a few input text fields which can potentially get characters from Chinese, japanese, european, special characters like £, etc. So, in short, unicode characters. To process these values at the server side (with php), can I assume that all browsers by default encode these characters in UTF-8 format at the time of form submission. Or is there is way to tell the browser to always submit these characters as UTF8 encoded , so that we can use the utf8_decode to process these values

Getting an error in W3C Markup Validation when trying to get a whole <Figure> element as a link in a page

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I am trying to get whole <figure> element as a link so i wrote these line of code :- <figure> <a href="#"> <img src="images/product-image.jpg" alt="image " /> <span class="label"><span class="rotate">40%</span></span> <span class="curle-label_bg"></span> <figcaption><span class="product-brand">Brand of product</span> Main Caption here <span class="save-money">Save 395.05</span> <span class="product-price">€169.30</span> </figcaption> </a> </figure> I am getting an error "Element figcaption not allowed as child of element a in this context. (Suppressing further errors from this subtree.)" in