The "Rates" SEO (Search Engine Optimization) Tool

Search Engine Optimization (SEO)



Note! Owing to a change in the the source of the rates used, versions of this tool below 1.01 will no longer work. You must use that version (or later) for correct results!



Providing Search Engines With "Fresh" Pages

One of the points on which there seems to be general agreement in the SEO (Search Engine Optimization) community is that search engines--and especially Google®--like to see fresh content--which is to say pages whose content changes frequently.

There is a package on this site--Freebie--that can provide you with thousands of relevant, daily-changing pages. But those pages are more or less a world unto themselves; what would also be useful to most webmasters is something simple they could just paste into their "regular" site pages that would automatically provide frequently changing content of a sort that would actually be at least interesting and possibly useful to their site visitors.

The tool provided here is the second of what is projected as a series of possible answers for that need. (The first, Weather, displays varying size dropins of weather conditions for virtually anywhere in the world. This one, Rates, provides a one-line statement that you can place on any web page that will drop into that page a box showing the exchange rates to and from some selected currency (any one of the nearly four dozen that the International Monetary Fund reports can be selected) and a selectable set of other currencies; you can even, if you choose, display cute little national flags.

(Obviously, this too's usefulness to you depends on the degree to which international currency-exchange data are relevant--or at least not obviously irrelevant--to the theme of your site. I hope to soon have yet other such tools, so that the chances of your finding one that will marry well with your pages increases.)

To give you an idea of what the dropin looks like, here is an operative sample. Remember: you can customize not only the currencies, but the block background color and block text color.

To convert values in U.S. Dollars to foreign currency:
To get:
 
Multiply
USD by:
EEC
Euros

0.6448
U.K.
Pounds

0.5136
Japanese
Yen

104.41
Canadian
Dollars

0.9996
Mexican
Pesos

10.487
Swiss
Francs

1.049

To convert values in foreign currency to U.S. Dollars:
Multiply:
 
 
     by:
EEC
Euros

1.5509
U.K.
Pounds

1.947
Japanese
Yen

0.0096
Canadian
Dollars

1.0004
Mexican
Pesos

0.0954
Swiss
Francs

0.9533
(Data via NY Federal Reserve Bank Code by SEO Toys)



(Here is the "Rates" v. 1.01 tool package as a single ZIP file.)



Change History:

0.10: initial release

0.11: removed forgotten (non-critical) non-php from imfsee.php

0.20: substantially upgraded install routine and docfiles.

0.30: major rewrite to imfget.php to accomodate (unannounced) drastic change in IMF exchange-rates data file.

0.40: major rewrite to take advantage of the IMF's now updating data throughout the business day (instead of once daily); combined two old scripts (imfget.php and imfsee.php) into a single new rates.php that grabs live data at evry call.

0.41: fixed dumb error so flags will now display OK.

0.50: changed timeout values so if IMF datafile is missing altogether toy will not hang unduly long (c. 15 secs.).

1.00: major rewrite: much smarter caching, added in new currencies from IMF, greatly simplified installation, added "transparent background" option.

1.01: major rewrite: switched from IMF to NYFRB as data source. Lost a few minor currencies, but data is much more reliably available.



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