Following are Important Links which are used in Web Technology Fields.
http://www.xml-sitemaps.com/
Get all the Public URL of webpage. You can download/view the URL's in form of CSV, XML, TXT and HTML.
http://www.labnol.org/internet/google-web-scraping/28450/
Scrap the content of public web-pages in csv in one click.
http://newrelic.com/server-monitoring
Monitor your server Error including ajax error. Get Notification by email of error. You can monitor the performance of your website.
http://seositecheckup.com/
Check SEO Health of your website.
http://gtmetrix.com/
Test Website Speed and Performance Optimization.
http://sandbox.ternarylabs.com/porthole/
Access Iframe from another Iframe
http://loadimpact.com
Check web server load
http://www.timeanddate.com/date/duration.html
Calculate duration between two dates
http://www.timeanddate.com/worldclock/converter.html
Time Zone Converter – Time Difference Calculator
https://code.google.com/apis/ajax/playground/
The AJAX Code Playground is an educational tool to show code examples for various Google Javascript APIs
https://www.flickr.com/services/api/misc.urls.html
flickr images having different size
http://benalman.com/projects/jquery-postmessage-plugin/
Cross Domain Communication from JavaScript
http://randomuser.me/
Unlimited free user detail with photos
http://www.gingersoftware.com/grammarcheck
Check the Grammar of description
http://smallseotools.com/plagiarism-checker/
Check the Uniqueness of Description
http://www.feedthebot.com/tools/alt/
Check Alt Tag missing for images in website.
https://dev.twitter.com/rest/reference/get/users/show
Twitter API
http://www.browserstack.com/
Test your website for cross browser compatibility on real browsers. Instant access to multiple desktop and mobile browsers.
https://www.branah.com/text-to-image
Easily create an image online from text or HTML. The text to image converter supports multiple languages. You can use your own background image and font.
http://blog.slashpoundbang.com/post/12975232033/google-news-search-parameters-the-missing-manual
Google News API Parameter
For Blogger.com Only
http://www.theblogwidgets.com/2009/08/change-title-tags-in-blogger-for-more.html
Change the Title of every post of blog
http://www.helpfulbloggertips.com/2013/03/blogger-create-custom-error-404-page.html
Custom Redirect Page
http://blogtimenow.com/blogging/create-add-custom-robots-txt-file-blogger-crawl-index/
Update Robots.txt file of blog
http://helplogger.blogspot.in/2012/03/how-to-add-related-posts-widget-to.html
Add Related Post
http://techmarshal.blogspot.in/2013/02/simple-blogger-related-post-widget-without-thumbnail-text-only.html
Add Related Post - Without thumbnail
http://www.blogs911.com/2013/08/limiting-number-of-posts-in-labels-page.html
Limit the Number of post in Blogger Label
How to Add Numbered Page Navigation Widget for Blogger
http://www.xml-sitemaps.com/
Get all the Public URL of webpage. You can download/view the URL's in form of CSV, XML, TXT and HTML.
http://www.labnol.org/internet/google-web-scraping/28450/
Scrap the content of public web-pages in csv in one click.
http://newrelic.com/server-monitoring
Monitor your server Error including ajax error. Get Notification by email of error. You can monitor the performance of your website.
http://seositecheckup.com/
Check SEO Health of your website.
http://gtmetrix.com/
Test Website Speed and Performance Optimization.
http://sandbox.ternarylabs.com/porthole/
Access Iframe from another Iframe
http://loadimpact.com
Check web server load
http://www.timeanddate.com/date/duration.html
Calculate duration between two dates
http://www.timeanddate.com/worldclock/converter.html
Time Zone Converter – Time Difference Calculator
https://code.google.com/apis/ajax/playground/
The AJAX Code Playground is an educational tool to show code examples for various Google Javascript APIs
https://www.flickr.com/services/api/misc.urls.html
flickr images having different size
http://benalman.com/projects/jquery-postmessage-plugin/
Cross Domain Communication from JavaScript
http://randomuser.me/
Unlimited free user detail with photos
http://www.gingersoftware.com/grammarcheck
Check the Grammar of description
http://smallseotools.com/plagiarism-checker/
Check the Uniqueness of Description
http://www.feedthebot.com/tools/alt/
Check Alt Tag missing for images in website.
https://dev.twitter.com/rest/reference/get/users/show
Twitter API
http://www.browserstack.com/
Test your website for cross browser compatibility on real browsers. Instant access to multiple desktop and mobile browsers.
https://www.branah.com/text-to-image
Easily create an image online from text or HTML. The text to image converter supports multiple languages. You can use your own background image and font.
http://blog.slashpoundbang.com/post/12975232033/google-news-search-parameters-the-missing-manual
Google News API Parameter
For Blogger.com Only
http://www.theblogwidgets.com/2009/08/change-title-tags-in-blogger-for-more.html
Change the Title of every post of blog
http://www.helpfulbloggertips.com/2013/03/blogger-create-custom-error-404-page.html
Custom Redirect Page
http://blogtimenow.com/blogging/create-add-custom-robots-txt-file-blogger-crawl-index/
Update Robots.txt file of blog
http://helplogger.blogspot.in/2012/03/how-to-add-related-posts-widget-to.html
Add Related Post
http://techmarshal.blogspot.in/2013/02/simple-blogger-related-post-widget-without-thumbnail-text-only.html
Add Related Post - Without thumbnail
http://www.blogs911.com/2013/08/limiting-number-of-posts-in-labels-page.html
Limit the Number of post in Blogger Label
How to Add Numbered Page Navigation Widget for Blogger