JavaScript is a dialect of the standardized ECMAScript programming language, primarily used for scripting web-pages. Use this tag for questions regarding ECMAScript and its dialects/ implementations: JavaScript, JScript, etc., excluding ActionScript.

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12
votes
8answers
3k views

Is inline JavaScript good or bad?

I've currently switched from WordPress to Yii framework and an external developer is rebuilding my site. One thing I notice is that each time he invokes AJAX / jQuery the Yii way, it embeds inserts ...
0
votes
0answers
19 views

Website slowing down when many users access simultaneously [on hold]

I'm new to web development. I have hosted my website through a free web hosting service providing free subdomain. The free hosting service says that they provide 100 GB bandwidth. I just upload files ...
0
votes
1answer
44 views

Make my website dynamically loaded data available to Facebook Open Graph Object Scrapper

Here is the design of my web site: The user enter myWebsite.com/a/1 .htaccess rules redirect to myWebsite.com/b Now the JavaScript ExtJS library is loading. Extracting the value from the URL (in ...
1
vote
1answer
183 views

No cache and Google AdSense performance

I'm developing a page where I need to avoid JavaScript caching by browser. I've added this header: <?php header('Cache-Control: no-cache, no-store, must-revalidate'); header('Pragma: no-cache'); ...
0
votes
2answers
39 views

Display content using JavaScript only to Google bots

My company sells a Q&A solution for e-commerce sites. They basically have a button on their product pages that opens an iframe containing a forum with questions and answers. We would like the ...
3
votes
2answers
43 views

How can I get Google to index content that is written into the page with JavaScript?

I have a website that focuses on charts and graphs. The graphs on the site are drawn using JavaScript, but contain keywords that I would like to have indexed. For example, here is a screenshot of ...
1
vote
1answer
27 views

How to make content displayed in and iFrame crawlable?

My company sells a solution for doing Q&A for products on e-commerce websites. The client must add a div containing a link and some JavaScript on their pages, when the link is clicked, it opens ...
4
votes
1answer
402 views

Google Analytics cookie across SagePay checkout

We use SagePay's Server integration for our online payments. We use Google Analytics to track activity on our website and Google Ecommerce tracking to log transactions. In Google Analytics, under the ...
0
votes
0answers
17 views

Disqus “unable to load” during Google “fetch and render”

If you look carefully at the below image you can see the message "We were unable to load Disqus" ... Does anyone know how to fix this?
0
votes
0answers
6 views

Need help validating a register form with jQuery/JavaScript [closed]

I'm currently developing my first website and am pretty new at using JavaScript and jQuery. I am having trouble validating my register form. Here is a link to the website: ...
-2
votes
1answer
13 views

Online Calculator & Precision [closed]

I'm making a Scientfic Advanced calculator my site, But I want it to be Really Precise like let's say it can calculate upto 200 Significant number, I'm using JavaScript to make it, Is it gonna be Load ...
3
votes
1answer
18 views

What are the effects on loading times when conditionally loading and concatenating scripts?

Suppose you have a script in your theme that you always need on every page - say 'animate-menu.js' (10KB) - and you have one that you only need on one specific page - say 'validate-contactform.js' ...
11
votes
2answers
933 views

Lazy loading images and effects on SEO

We are using the following technique to lazy load images in our site: For all images we put in the src attribute a url for a default img (i.e. a loader) and put the actual image url in the data-src ...
0
votes
0answers
4 views

Is it possible to search in Google within Javascript files, or the HTML markup itself? [migrated]

I have a bit of software that I sell (HTML / JS), that a bunch of people are stealing, simply because beyond obfuscating there's not much I can do to protect it. I've been getting quite good results ...
0
votes
1answer
175 views

Uploading a file automatically for speed test?

I am building a Web UI for a device for internet connection and one of the requirements in it is a speed test. I know the basic concept of how speed test works. A file is downloaded for a limited time ...
2
votes
1answer
59 views

Forbidden 403 for js file on localhost?

apologies if this isn't the right place to post this. I posted it on Stack Overflow and a user suggested I put it here. Anyway, I've looked all over google and the site and none of the solutions I've ...
0
votes
1answer
15 views

Staying notified of when there are updates to vendor scripts

I own a web app that uses various vendor scripts (both javascript and CSS). Basically all of them have their repository on GitHub. Every few months, I look to see which version of each vendor script ...
0
votes
0answers
4 views

Google Maps stuck on top-left corner - solution for Desktop doesn't work for mobile design [migrated]

I have had a problem with Google Maps where I am rendering the map inside a hidden DIV element. The map rendered but only the left top corner was showing, even after I move the map. The solution to ...
0
votes
2answers
26 views

no index no follow after page load

I have a component which makes a promotion "expire" after a certain date, when it expires I want to add a NO FOLLOW NO INDEX meta tag via JS. The question is would Google stop indexing this page as ...
3
votes
2answers
71 views

Troubleshooting websites on gaming consoles

I realize that questions like "suggest a tool" are usually not allowed, but I would like to pick your brains for a good way to troubleshoot websites on gaming consoles (PS3/4 , Xbox360/One and ...
0
votes
3answers
69 views

InstantClick effect on SEO?

InstantClick.io is a pretty awesome JS library that makes a website feel a lot faster (in most cases) by prefetching links when a user is hovering above them. This will cut off at least about 100ms ...
1
vote
1answer
67 views

Caching of JS and CSS files – Apache mod_headers doesn’t take effect

As suggested by an answer on SO, I'm trying using a version number on my JS and CSS files so that the browser will only make a request when the JS or CSS version number is changed in my PHP file. To ...
0
votes
3answers
124 views

Do search engines care about case sensitivity of HTML tags and JavaScript functions?

Which is better for SEO ? HTML <p id="hello"></p> <p id="HELLO"></p> <p id="Hello"></p> <p id="hELLO"></p> JAVASCRIPT function hello(){} ...
10
votes
2answers
413 views

Google indexing pages with #! although we don't have any

Our company has developed a Single Page Application using AngularJS and its routing. Google indexed our site decently with JavaScript but it did not index some pages very well so we have developed an ...
1
vote
2answers
50 views

Joining and compressing all javascript files together - good idea?

Curently, I avoid loading any unnecesary scripts on individual pages of my site. I have a class that remembers all javascript files that were requested during PHP processing and adds them to HTML. I ...
8
votes
2answers
816 views

Anyone still using JavaScript disabled? [duplicate]

Is there anyone left that's not using JavaScript? When designing websites, is it worth to care about that fraction of visitors? At least in Firefox you can't even disable it anymore.
1
vote
2answers
52 views

SEO for dynamically inserted content?

I've reviewed other questions and answers, but none fit my use case. Frankly, I'm not even sure if I'm asking the right question. Here's my scenario: I work for an organization that is in the process ...
1
vote
2answers
49 views

Does the JavaScript that Google Analytics Experiments adds slow down alternate versions, and how could I measure this?

I am using Content Experiments in Google Analytics to test three different landing pages. This uses JavaScript on the initial page to load the alternates. Would the additional JavaScript add to the ...
2
votes
3answers
196 views

Is doing A/B tests using site redirection a bad practice?

I'm developing hotels websites here in Brazil. When the site is done, we do an A/B test with the old version to measure conversion and show to the hotel owner how good our site is. Due to the fact ...
1
vote
2answers
155 views

Here we go again - quest for web hosted forum via javascript [closed]

disclaimer If this is the wrong location for this question, then please advise me accordingly. backgound I've been using Disqus and intense debate as a 'comments' service for a variety of my ...
23
votes
6answers
16k views

How do you exclude yourself from Google Analytics on your website using cookies?

I'm trying to set up an exclusion filter with a browser cookie, so that my own visits to my don't show up in my Google Analytics. I tried 3 different methods and none of them have worked so far. I ...
1
vote
1answer
16 views

How does dynamic content replacement affect PPC quality score?

I'm looking to write a script that dynamically replaces elements of my page with content related to the keyword that resulted in a PPC click. For example, visiting the landing page after searching on ...
0
votes
1answer
69 views

Implications of SEO for single page websites

I built a server application that handles bot requests for my website, which was built using AngularJS. It works great, but I'm not entirely sure if it's valid in terms of Google's policy for SEO. ...
1
vote
1answer
25 views

Google pre-rendering causing double and triple events [duplicate]

Is it possible to detect google chrome and firefox prerendering on the server side, or in .htaccess, and defer the prerendering for the purpose of monitoring traffic and website events, or do I need ...
0
votes
2answers
77 views

Cannot add DataTables.net javascript into Joomla 1.5

I've been having this problem where i couldn't add Datatables.net javascript into my Joomla article. I have been trying to include it through Jumi. To say that my editor strips of the tag is ...
1
vote
2answers
3k views

What service could be adding NewRelic?

At the bottom of my web pages is: <script type="text/javascript"> if (!NREUMQ.f) {NREUMQ.f=function() {NREUMQ.push(["load",new Date().getTime()]);var e=document.createElement("script"); ...
0
votes
3answers
53 views

How to SEO optimise Ajax/Json loaded images?

I am using Galleria.io on a website to display a gallery of images. In the database, the images have a title and description to properly explain what the image is. I load the images into galleria ...
3
votes
3answers
209 views

How to redirect keeping the referral without server-side redirects?

I have an HTML page hosted in Dropbox that some external websites link to. I want to redirect to a different page using only HTML or Javascript, since I can't use any server-side redirects. My goal ...
1
vote
2answers
88 views

Redirect to an affiliate using PHP or JavaScript redirect?

I was asked to introduce a unified self hosted URL-Shortener/Forwarder/Tracking Service for an website that earns money from affiliates. One example I found was one of the bigger german sites for ...
1
vote
2answers
181 views

403 Error Fetching Image with JS

I've read all the 403-related questions here and elsewhere and I can't find an answer to this question: When I try to get a particular image on a remote domain via JavaScript I get a 403 error. But ...
2
votes
1answer
47 views

JavaScript conditional “builds”

I'm working on a piece of JavaScript code that searches its host page for references from a certain source and when hovered, shows the definition/referenced text in a tooltip (something like Google ...
1
vote
1answer
26 views

Does Googlebot share geo-location information to better crawl geo-aware websites?

I'm developing a website that allows users to share their location via JavaScript. Based on that location, either the content of the current page will change, or it will redirect a user to a page with ...
1
vote
1answer
47 views

How does licensing affect my website?

I like to use prebuilt CSS/JS such as Foundation and PureCSS and I'm curious as to how I should go about displaying the licensing information, as well as how the license will affect the code that I ...
1
vote
2answers
31 views

Global UTF-encoding, the right way

I'm curious, as to what is the right way to have UTF-8 encoding on all web files All my files (incl. CSS and JS) are made and saved in UTF-8 encoding In PHP, I set the char-set on top of the main ...
2
votes
2answers
585 views

How to interpret Events from Unique Events in Google Analytics?

I'm trying to add some javascript triggered Google Analytics events to a website that is already working with GA. I've included the following beneath the standard GA script (new ga.js script). ...
2
votes
0answers
23 views

Store a formula in a table and use the formula in a javascript/PHP function [closed]

I have a MySql database where part of it handles instrument's depth of water. Each instrument has its own formula of calculation how depth the water when the operator collect the reading I stored the ...
13
votes
4answers
3k views

Does the Google spider render JavaScript?

Does the Google spider knows how to render JavaScript, or only HTML?
1
vote
0answers
77 views

What could keep a javascript from loading properly on a page? [closed]

We have a vendor that switched our files over to a new server. We had a carousel on our homepage that was using javascript saved on the vendor server. After the move the carousel javascript won't ...
1
vote
0answers
195 views

Why is my Custom HTML tag not fired in Google Webmaster Tools

I have a Custom HTML tag in Google Webmaster tools that is actually very simple. It consists of the following code (a GTM Macro): {{html generator}} This tag is only fired on the Thank-you page on ...
0
votes
2answers
125 views

Will i18next affect SEO? What about screen readers?

I'm considering using i18next for translating text. But then it suddenly struck me; If labels / text is retrieved through javascript, won't that affect SEO? And what about screen readers for visual ...