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1500 questions
96
votes
5 answers
How can CloudFlare offer a free CDN with unlimited bandwidth?
The CloudFlare free tier service offers unlimited bandwith while other CDNs charge starting at about $.10/gb.
CloudFlare does not have bandwidth limits. As long as the domains
being added comply with our Terms of Service, CloudFlare does not
…
Mike
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94
votes
2 answers
How do I open the JavaScript console in different browsers?
Web browsers provide a JavaScript console as part of their developer tools. This console is useful for the following reasons:
Errors and warnings that occur on a web page are logged into the console.
JavaScript commands for interacting with a web…
Šime Vidas
- 868
- 2
- 11
- 18
93
votes
5 answers
How do I transition to SSL without affecting PageRank?
Here at Stack Exchange we're working on moving all traffic to SSL. The reason we're not doing logged-in-users only is that one side of the login divide would suffer a redirect from Google every time. This happens because Google's only going to have…
Nick Craver
- 1,023
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- 9
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92
votes
4 answers
What does an asterisk/star in traceroute mean?
The below is a part of traceroute to my hosted server:
9 ae-2-2.ebr2.dallas1.level3.net (4.69.132.106) 19.433 ms 19.599 ms 19.275 ms
10 ae-72-72.csw2.dallas1.level3.net (4.69.151.141) 19.496 ms
ae-82-82.csw3.dallas1.level3.net…
Chang
- 1,131
- 1
- 8
- 10
87
votes
10 answers
Why are URLs case-sensitive?
My question: When URLs were first designed, why was case-sensitivity made a feature? I ask this because it seems to me (i.e., a layperson) that case-insensitivity would be preferred to prevent needless errors and simplify an already complicated…
Kyle
- 1,021
- 1
- 7
- 7
86
votes
8 answers
Should I include "www" in my website's URLs? What are the pros and cons?
What are the pros and cons of having http://www.example.com/ vs http://example.com/?
For example a problem I'm aware of is that if I use a domain without www I can't set a cookie for the current subdomain only (since there is no subdomain), and the…
Andreas Bonini
- 2,605
- 25
- 23
86
votes
6 answers
Should I set up standard email accounts? What are they?
A long time ago one used to be able to count on domains having addresses like webmaster@example.com, postmaster@example.com, or abuse@example.com ... is this convention dead?
Note: I always try to make sure to make a contact available on the…
artlung
- 8,688
- 5
- 45
- 63
85
votes
15 answers
How can I test my site in IE6, IE7, IE8, IE9, IE10 and Internet Explorer 11
How can I reliably test my site on all old versions of Internet Explorer ranging from IE6 all the way up to version IE11?
ilhan
- 1,773
- 5
- 18
- 22
80
votes
9 answers
So now Google has said no to old browsers when can the rest of us follow suit?
Google recently announced that they will no longer support older browsers on Aug 1st:
For this reason, soon Google Apps will only support modern browsers. Beginning August 1st, we’ll support the current and prior major release of Chrome, Firefox,…
Richard
- 873
- 7
- 7
80
votes
8 answers
How bad is it to use display: none in CSS?
I've heard many times that it's bad to use display: none for SEO reasons, as it could be an attempt to push in irrelevant popular keywords. A few questions:
Is that still received wisdom?
Does it make a difference if you're only hiding a single…
Andy
- 1,481
- 2
- 15
- 22
79
votes
12 answers
How can I simulate a slow connection for page load?
I have a fast server, and a reasonably fast home Internet connection. How can I simulate my page loading on a slow connection?
Macha
- 1,330
- 1
- 13
- 12
74
votes
27 answers
Way to list "Contact Us" email address on web site, yet reduce likelihood of spam?
What's a good way to list a "Contact Us" email address on a web site, while reducing the likelihood it will get spammed?
Is putting the email address in an image the best technique, or are there others?
Chris W. Rea
- 3,773
- 1
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73
votes
5 answers
Are there any clear indicators that my sitemap file is beneficial?
I have recently created a sitemap.xml file and uploaded it to my Google Webmasters Tools account. Google didn't report any issues or errors with the uploaded sitemap of my site.
Now my question is:
How do I know if my sitemap is working within…
user1420373
72
votes
8 answers
Anchor tag inside or inside anchor tag: which is better?
inside anchor tag: which is better?
I am trying to use tags on my blog for the post title and came across one problem. Title is hyperlinked.
Case 1:
tags on my blog for the post title and came across one problem. Title is hyperlinked.
Case 1:
xyz
case 2:
xyz
Which one is better in terms of SEO?
Sangram
- 1,078
- 2
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- 13
70
votes
11 answers
SEO: Where do I start?
Possible Duplicate:
What are the best ways to increase your site's position in Google?
I am primarily a software developer however I tend to delve in some web development from time to time. I have recently been asked to have a look at a friends…
James
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- 5