HTML5 is the fifth revision of and currently the latest version of HTML (HyperText Markup Language). The fifth revision of HTML introduced many new syntactic features such as video, audio, canvas as well as section and article to name a few, with which the content of websites may be better ...

learn more… | top users | synonyms

3
votes
1answer
43 views

Which is best SEO practice to markup source code on web page?

What is the best way to present source code to users without affecting SEO? Let's say my website is HTML tutorials and I need to present HTML code to the user so that they can copy it. If my main ...
3
votes
1answer
31 views

Best way to define 'mainEntityOfPage' in Microdata?

I know at least 2 ways to define mainEntityOfPage: <div itemprop="about" itemscope itemtype="http://schema.org/Product"> <link itemprop="mainEntityOfPage" href="http://example.com/article-...
1
vote
1answer
39 views

Can 'mainEntityOfPage' point to another page?

I have two pages: page1.html: WEBPAGE->MainEntity->ARTICLE { inside ARTICLE I have PRODUCT with short description } page2.html: WEBPAGE->MainEntity->PRODUCT { "Full ...
1
vote
1answer
17 views

Do/Can HTML Imports impact negatively on SEO?

I'm asking this about HTML Imports due to the custom include sequence, just worried that certain things may not be available when the crawler examines the page (I'm guessing this is weak reasoning, ...
1
vote
0answers
26 views

Will search engines index content in video caption files?

If I put an HTML5 video player on a web page and it has an associated caption file (WebVTT) using the <track> tag inside the <video> tag, will it affect my search results in a positive way?...
3
votes
0answers
22 views

HTML anchor tag download, filename attribute [migrated]

I have a reporting database where the possible attachments are embedded directly on the page as Base64 strings. The <a> tag uses a download attribute that supplies the filename. It is kind of ...
3
votes
1answer
17 views

Does Google's webcrawler follow HTML imports?

Does googlebot - Google's webcrawler - follow browser-side HTML imports such as the following? <link rel="import" href="header.html"> I'm thinking of hosting web content on my web server that ...
3
votes
1answer
24 views

Will search engine web crawlers see urls that are changed with HTML5 history?

I have a site where the different language versions are on the same url. If the language is not set as a get variable, language is set by a session variable in php, and the url is rewritten ...
3
votes
2answers
37 views

Videos are “choppy”/“laggy” - Just aren't smooth on web server

I have a video (background) for my website and (I'm sure there's a much more technical word for this) it's choppy, to say the least. I'm wondering if a) I can render it into a better format (file ...
0
votes
1answer
17 views

Can CSS cause a hyperlink to become inactive? [closed]

Please excuse me if this is the wrong site to post this type of issue to. However, after examining all of the Stack Exchange websites, this looked like the best one to post my question to: I came ...
0
votes
1answer
24 views

DFP error: “no valid network found” when uploading HTML5 creative bundles

I wanted to upload ads for my website into DFP. I'm trying to upload HTML5 creative bundles. I'm following the step Access the tool: html5-to-dfp.appspot.com, but I'm getting the the error message "...
0
votes
1answer
40 views

How do I upload html5 banner to DFP?

How do I upload html5 banner to DFP? I read an article How to prepare HTML5 assets for DCM It needs to upload zip file to DFP. To set up display creatives with HTML5 and HTML5 banners, upload ...
2
votes
0answers
28 views

How to display an HREF PDF in an object element in Chrome?

I am having an issue with viewing a PDF in an object element in Chrome. The initial PDF loads, but when I go to a different HTML, then HREF, it will not display. I 'think' I am getting the following ...
3
votes
1answer
105 views

Universal shortened doctype for all mobile devices

I am trying to make my adsense code load closer to the beginning of my mobile website code. My major bottleneck is the doctype declaration. What I have (as shown) is the doctype mobile profile 1.2 ...
5
votes
1answer
48 views

Should HTML5 web games use the VideoGame or WebApplication schema?

I've implemented Microdata with Schema.org for my online game. I've tested it on Google's test tool, and it seems to work. If you go to Schema.org, you can see that both VideoGame and WebApplication ...
0
votes
0answers
21 views

CKeditor wraps in-field images inside elements - Might be problematic for SEO?

I have a Drupal 7 RTL site and I now noticed that all images inserted inside long-text fields (Drupal itself works in a similar way it inserts images into <div> elements but recognize this as ...
2
votes
1answer
19 views

Microdata and replacing entities for display

The question is about using Microdata to replace entities inside the Schema.org properties description or articleBody: <p>Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do ...
3
votes
3answers
114 views

How to use more than 1 schema.org schema on a web page

How do you add more than one schema to a web page? I am using the Organization and WebSite schemas on my home page. I am writing the markup in JSON-LD format. The Organization schema for the ...
0
votes
1answer
128 views

schema.org/Book with multiple authors using JSON-LD [duplicate]

How do I display multiple book authors using JSON-LD? This question is similar to my original question, but decided to create a different one seeing that 2 different formats are used. Here is my ...
1
vote
2answers
73 views

Can HTML5 allow us to combine 25 pages that describe our product and still maintain SEO?

We currently have a web site that advertises a single product (a piece of software that deals with personnel information). That software has many features. Potential customers usually arrive at ...
1
vote
1answer
91 views

schema.org/Book with multiple authors

How would one write markup for a book with multiple authors? This is what I currently have, it is marked up for just one author: <div itemscope itemtype="http://schema.org/Book"> <h1>...
0
votes
0answers
28 views

Do nested <aside> blocks have a meaning for SEO?

I have a portal site that draws content form various places. Some of this content has already included semantic tags like <aside> for ads therein. If I put this content in an <aside> tag,...
2
votes
1answer
59 views

Links to CSS in another folder are broken when trying to host a simple site on Google Drive

I have a simple website that I'd like to host on Google Drive. I have the contents separated into multiple folders, one for HTML, one for CSS, etc... and they're all stored in a main folder which I ...
0
votes
1answer
28 views

Is it okay to have irrelevant text in paragraph tags?

My Magento site and theme has a total of 30 paragraphs (<p>) in the source code of the product page. Only 5 are relevant to the product. Others include the the welcome message, phone number, ...
1
vote
3answers
104 views

Is using the Open Graph Protocol helpful, harmless, or harmful to SEO?

I am doing an SEO project and I noticed that all of the meta tags have an "og" in the property attribute of the tag, such as: <meta property="og:title" content="" /> <meta property="og:type" ...
1
vote
1answer
32 views

Do search engines follow the additionalType url in microdata?

For example <div itemscope itemtype="https://schema.org/ExerciseAction"> <meta itemprop="additionalType" content="http://www.productontology.org/id/Long-distance_running"> &...
8
votes
3answers
432 views

When using a stacked font-family, what does the browser use when NONE of the specified fonts are present?

Simple HTML code example: <p>font family</p> Simple CSS code example: p { font-family: Arial, Helvettica, sans-serif; } Browser looks for Arial Arial is not present then it ...
1
vote
2answers
128 views

Difference between px and em in html5 [closed]

Check this sample code <p style="font-size:30px">HTML</p> <br> <p style="font-size:30em">HTML</p> What is the difference between em and px ? In which place should I ...
6
votes
2answers
49 views

text-decoration under anchor tag

I have this snippet: <p><a href="http://www.example.com">Link to example site.</a> </p> a:link{ color:green; text-decoration:none; } a:visited{ color:pink; text-...
3
votes
1answer
82 views

Designers using 2400px monitor, coders using 1920px monitor, final sites not matching what designers invisioned

Is there any issue with a graphic designer using a 2400px monitor and then a web developer coding their web design on a 1920px monitor, and it looking the same? Say the artboard of the graphics ...
1
vote
0answers
20 views

How to convert from SWF to HTML5 and transfer to IPAD? [duplicate]

I made an Interactive animation by using Flash. But my clients wants an HTML version. And all they need is to play it in IPAD. My question is, Does anybody know how convert from SWF to HTML5 and ...
1
vote
4answers
661 views

For SEO of the company name, should we use a logo with alt text or a company name div replaced in CSS with an image?

Which of these alternatives would be the less negative to Google search engine? <h1> <a href="#" title="Company Name"> <img src="img/logo.png" alt="Logo" title="Company ...
0
votes
2answers
58 views

Should I use section element for an image slider?

It is my understanding that the basic HTML5 layout is: <body> <header> </header> <nav> </nav> <section id="possible-image-slider"> </section> ...
1
vote
1answer
37 views

Can be use microdata with english for non-english websites?

My websites is Thai sites (non-english), I'm not sure google can be know or understand my websites in Thai. Can be explain about my websites structure in English by micro data? I think explain my ...
3
votes
2answers
70 views

Getting Google to index main section instead of nav in SERPs

I have a problem here where Google shows my <nav> instead of my main section in the SERPs. On top of that, because my nav is made up of inline elements, the result gets really messy: example....
0
votes
0answers
35 views

Why does Google not recognize hentry updated?

I have the following code for my date in my blogpost: <time class="date updated" datetime="2015-10-06"> <a href="http://www.foo.de/2015/10/06/">6. Oktober 2015</a> </time> ...
1
vote
1answer
99 views

SEO and the Iframe srcDoc attribute

For a project I'm working on we're relying on <iframe>'s to display encapsulated content, but we're concerned about SEO. My question is, how does Google/Bing view srcDoc content? Is it ...
0
votes
0answers
64 views

Get more specific Schema.org markup for my website

This is current schema see I want to write best specific with Google to promote my website using structured data markup. My business is "Counseling" in "Mental Health" category. Sample Schema for ...
1
vote
1answer
72 views

Why my Microdata has errors on Google Structured Data Testing Tool?

I cannot figure out what is wrong here? I get error missing location,name,startDate while clearly it is there! I am using schema.org microdata. The weird thing is that I get 10 valid postalAddress ...
0
votes
0answers
9 views

Flow content within anchor tags [duplicate]

Since HTML5, it is valid to have block elements within inline elements. So an <a> element can contain flow content which includes <div>, <img>, <h1>, <h2>, etc. <a ...
1
vote
1answer
64 views

Linking a Product and an AggregateRating to a Brand (itemref)

I have a Brand and a Product, I am associating the Product to the Brand like this: <h1 itemprop="brand" itemscope itemtype="http://schema.org/Brand" id="v1437"> <span itemprop="name">...
0
votes
1answer
24 views

HTML img alt more than a line of text [closed]

We all know that if an img in HTML cannot be loaded, the alt text will be rendered instead. What if I want the alt be, say, a div? Maybe some JavaScript will help?
3
votes
0answers
38 views

What is missing in my SEO checklist for new websites? [duplicate]

So I have a question about what can be done for SEO-purposes purely with coding (meaning this question is not about content strategies, keyword research, linkbuilding and stuff like that, but only ...
2
votes
1answer
69 views

Time element in WordPress site not in format required by HTML5

I'm trying to display blog posts using the BlogPosting schema, but I am having difficulty getting the date to display in an acceptable format. Currently, the responsive_child_post_meta_data() ...
0
votes
0answers
29 views

My schema.org sturctured data is not showing up on google [duplicate]

It's been around a month since I've added structured data on my website. However, Google structured data testing tool is displaying "all is good". The data is not showing up in google (right side when ...
0
votes
1answer
461 views

html5 banner using Google Web Designer

I have create a html5 banner using Google Web Designer following pretty much all the guidelines (https://support.google.com/webdesigner/answer/3261498?hl=en&ref_topic=3261495&rd=1). I ...
4
votes
2answers
450 views

My website hosts various m4a files but they do not play in Internet Explorer

I've got an m4a file that loads properly in all browsers, except for Internet Explorer (no surprise). The error is: "Invalid source". My HTML5 code looks like this: <audio controls> <...
3
votes
0answers
915 views

SEO - aria-label vs .sr-only

For SEO purpose, I read that invisible content has less weight that visible. Because of that, it means that using Twitter Bootstrap's .sr-only class can be, in the worst case of course, treated as ...
0
votes
0answers
15 views

Title Attributes and Accessibility [duplicate]

I've been looking into accessibility recently and have read mixed articles regarding whether or not the title attributes should be included. It seems that there's a pretty good consensus that adding ...
2
votes
2answers
444 views

Aria Role Attributes Becoming Depreciated in HTML5?

W3C Validation Errors: "The navigation role is unnecessary for element nav. <nav role="navigation"> I'm having hgroup nightmare flashbacks. BTW, I still use hgroup - but as a CSS Class (....