Exercises, examples and other material relating to training module W501. This topic is presented on public course %xw%
Most web sites are comprised of many files, arranged into a number of directories. This module describes how web sites are structured, and how new information is placed on the web site by the web site developer.
|Articles and tips on this subject||updated|
|332||Looking up IP addresses|
Browsers, mail clients, ftp and ssh and telnet clients and the rest are for ever converting fully qualified names such as www.sheepbingo.co.uk into IP addresses such as 220.127.116.11. How can you do such a lookup manually?
Firstly, there are numerous web sites out there that will help you - I'm not ...
|2552||Web site traffic - real users, or just noise?|
It's been said that on some web sites these days, the majority of traffic isn't users at a regular browser at all; instead, it's robots that are indexing the page (such as Google, Yahoo, MSN, Yandex and others), and malware that's looking for holes through which to inject content on to other people's ...
|2282||Checking robots.txt from Python|
The robots.txt file - which well behaved automata check to see whether they are welcome on a web site - has two directives in its base specification ' User-Agent and DisAllow. You will find some other directives used, and you will find some sites who have a robots.txt file that has blank lines after ...
|2214||Global Index to help you find resources|
How can you find all blog articles on Ruby? How about everything that I've written about looking after forums, and with all the information about spammers close to it? With 15,000 URLs on the site, these apparently easy questions aren't so easy any more.
However - In an attempt to help (largely ...
|2094||If you have a spelling mistake in your URL / page name|
What do I do if someone reports a spelling mistake on one of our pages? I check that they're right (OK - I usually know straight away that they ARE as I'm one of the world's worst spellers and often distort one word into another valid word), and fix the page. And drop them a brief "thank you" of course. ...
|1024||Web site - a refresh to improve navigation|
With over 8000 pages on the web site, we're not short of visitors kindly sent by Google, Yahoo, MSN and friends ... but once they arrive at a potentially interesting article, they're all too often leaving again before exploring related material that could be of use to them.
The web site has grown over ...
|1969||Search Engines. Getting the right pages seen.|
"I've been visited by a robot - what do I do about it?" I chuckled at the question when I came across it yesterday when looking up the Robots Exclusion Standard ("also known as the Robots Exclusion Protocol"). The answer given was "do nothing" and I would agree - almost. Or I might suggest "Celebrate".
|1198||From Web to Web 2|
"How do these technologies relate to Web 2?" asked one of my customers last week as we studied Apache httpd and Apache Tomcat. And of course that's followed up by the need to answer the question "What is Web 2".
Initial web sites - "Web 1" if you like - were discreet information sources provided by ...
|1686||FTP - how not to corrupt data (binary v ascii)|
Greetings from Aylesbury ... where I am spending much of this week during the day giving a Linux (LAMP) course, and much of the evening catching up on work. So just a brief tip today ..
If you're transferring files with FTP, remember to specify Binary mode!.
Perhaps advise you've heard before and ...
|1636||What to do if the Home Page is missing|
The Web Server Administrator has two choices as to what he / she should do when a content provider doesn't supply a home page (index.html or similar) in a directory - either he can generate an error such as a 403 ("Forbidden") or 404 ("Not found"), or he can generate a directory listing, so that the ...
|1431||Getting the community on line - some basics|
We're very much involved at the high-tech end of internet programming and web site development and training. But it's really good for me good to see the other end of the spectrum, from time to time, and an hour's seminar at Chippenham Library last night, run by the local community web team, was an ideal ...
|1176||A pu that got me into trouble|
If you're a regular visitor to the Well House Consultants web site, you may have noticed subtle changes over the last couple of days; the "Version 7" web site that we introduced at the new year wasn't up to the standard we had hoped and rather than making incremental changes, I've swept new profiles ...
|1168||Moving out some of the web site bloat|
A late-night post ... the weekend has slipped away from us with a huge variety of things to catch up on, and a major new project on our web site. The update that we brought in over the new year has been working reasonably, but has been showing signs of "bloat" - too much, too complex to the detriment ...
|1031||robots.txt - a clue to hidden pages?|
The robots.txt file is designed to provide spiders and crawlers with a list of places they should NOT go - it's described as the "robot exclusion standard" file and its intent is to allow the webmaster to segregate his site into indexable and non-indexable.
But because it lists directorys to be excluded, ...
|528||Getting favicon to work - avoiding common pitfalls|
Ever wondered how to set up a "favicon" - one of those tiny logos that appear
in your "location" line of your visitor's browsers? Ever tried to do it and
found that - in spite of following all the instructions - it hasn't
worked. Yes, I've been there too - but you'll notice that "favicon"s are
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Topics covered in this module
Browsing, servers, HTTP.
Basic document structure.
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