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cant refresh captcha image

18 New Member
hi

i m using IE 6.0.
i want to refresh just the captcha part when the user clicks on an image.

i searched for articles on it and got a fairly good understanding of it.
but i m still unable to get any results.

i have used Simple AJAX Code-Kit (SACK) (http://www.twilightuniverse.com/)

my code:

head part:::



Expand|Select|Wrap|Line Numbers
  1. <head>
  2.  
  3. <script type="text/javascript" src="ajax.js"></script> 
  4. // i have saved ajax.js in my common website folder which contains all the files  
  5.  
  6. <script type="text/javascript">
  7.  
  8. var ajax = new sack();
  9. var contentObj;
  10.  
  11. function showContent()    
  12. {
  13.     contentObj.innerHTML = ajax.response;    
  14. }
  15.  
  16.  
  17. function showWaitMessage()
  18. {
  19.     contentObj.innerHTML = 'Loading image...Please wait';
  20.  
  21. }
  22.  
  23. function getAjaxFile(fileName)
  24. {
  25.     ajax.requestFile = fileName;    
  26.     ajax.onCompletion = showContent;
  27.     ajax.onLoading = showWaitMessage;
  28.     ajax.runAJAX();    
  29. }
  30.  
  31.  
  32.  
  33. function captcha()
  34. {
  35.     getAjaxFile(captcha.php);    
  36. }
  37.  
  38.  
  39.  
  40. function initAjaxDemo()
  41. {
  42.     contentObj = document.getElementById('div_captcha');
  43. }
  44.  
  45.  
  46. window.onload = initAjaxDemo;
  47.  
  48. </script>
  49. </head>
  50.  
-------------------------

body part:::::


Expand|Select|Wrap|Line Numbers
  1. <div id="div_captcha">
  2. default text
  3. </div>
  4.  
  5. <img alt="Request new image" src="req_im.gif" onclick="captcha()">

but the script is not working
and it is not loading the contents of captcha.php on clicking on the image.

please help
Oct 21 '07 #1
7 10163
acoder
16,027 Recognized Expert Moderator MVP
What does captcha.php return?
Oct 22 '07 #2
mitchell
18 New Member
does the captcha.php have to return something
can you please elaborate on that.
i thought it can be just a simple file

contents of captcha.php::
Expand|Select|Wrap|Line Numbers
  1. <script type="text/javascript">
  2.  
  3. var string='';
  4. var i;
  5. var chars = 
  6.  
  7. "0123456789ABCDEFGHIJKLMNOPQRSTUVWXTZabcdefghiklmnopqrstuvwxyz";
  8. var ran_unrounded;
  9. var ran_number; 
  10. var rnum;
  11. for(i=0;i<5;i++)
  12. {    
  13.  
  14.  
  15.  
  16.     rnum= Math.floor(Math.random() * chars.length);
  17.     string += chars.substring(rnum,rnum+1);
  18.  
  19.     ran_unrounded=Math.random()*3;
  20.     ran_number=Math.floor(ran_unrounded); 
  21.     document.write(chars.substring(rnum,rnum+1));
  22.  
  23. }
  24.  
  25. </script>
please help...!!!
Oct 22 '07 #3
acoder
16,027 Recognized Expert Moderator MVP
does the captcha.php have to return something
can you please elaborate on that.
i thought it can be just a simple file
Sorry, that's what I meant. It should echo something. If you run the file on its own, it should display the captcha characters on screen.

Why are you using JavaScript to generate this when it's a PHP file, but that's a side issue.
Oct 22 '07 #4
mitchell
18 New Member
i have changedn the contents of captcha.php
i have not done the whole thing
but i m just generating random nos. right now
this file when executed displays the random nos.
but it is still not showing up inside the div tag

contents of captcha.php


[PHP]<?php

srand(time());

for($i=0;$i<5;$ i++)
{
$string=(rand() %6);
echo $string;


}

?>
[/PHP]
i cant find any error in the code
then whats happening????
please help
Oct 22 '07 #5
acoder
16,027 Recognized Expert Moderator MVP
So do you get any error messages?

Does the wait message show up?
Oct 23 '07 #6
mitchell
18 New Member
there r no error messages
but in the status bar of Internet Explorer it shows error on page.

i m sending the whole file now.

if u can spare time to look at it.
i will be really grateful
i have made the relevant section bold.
//register.php
[HTML]<html>
<head>

<script type="text/javascript" src="ajax.js"></script>

[/HTML]
Expand|Select|Wrap|Line Numbers
  1. <script type="text/javascript">
  2.  
  3. var ajax = new sack();
  4. var contentObj;
  5.  
  6.  
  7. function showContent()    
  8. {
  9.  
  10.       contentObj.innerHTML = ajax.response;    
  11.  
  12. }
  13.  
  14.  
  15. function showWaitMessage()
  16. {
  17.     contentObj.innerHTML = 'Finding article.....<br>Please wait';
  18.  
  19. }
  20.  
  21. function getAjaxFile(fileName)
  22. {
  23.     ajax.requestFile = fileName;    
  24.     ajax.onCompletion = showContent;
  25.     ajax.onLoading = showWaitMessage;
  26.     ajax.runAJAX();    
  27. }
  28.  
  29.  
  30.  
  31. function CAPTCHA()
  32. {
  33.     getAjaxFile(captcha.php);    
  34. }
  35.  
  36.  
  37.  
  38. function initAjaxDemo()
  39. {
  40.     contentObj = document.getElementById('div_captcha');
  41. }
  42.  
  43.  
  44. window.onload = initAjaxDemo;
  45.  
  46. </script>


Expand|Select|Wrap|Line Numbers
  1. <script type="text/javascript">
  2. function validate_form(thisform)
  3. {
  4.     var check=true;
  5.     with (thisform)
  6.     {       
  7.         with (email)
  8.         {
  9.  
  10.             if (value==null||value=="")
  11.               {     
  12.                 document.getElementById('div_email').style.display="block";
  13.                 document.getElementById('div_email').innerHTML="<font color='red'>Username Required</font>";
  14.                 check=false;
  15.             }
  16.             else   
  17.             {
  18.                 document.getElementById('div_email').style.display="none";
  19.             }
  20.         }
  21.  
  22.         with (password)
  23.         {
  24.  
  25.             if (value==null||value=="")
  26.               {    document.getElementById('div_password').style.display="block";
  27.                 document.getElementById('div_password').innerHTML="<font color='red'>Password             
  28.  
  29.                 Required</font>";
  30.                 check=false;
  31.             }
  32.             else   
  33.             {
  34.                 document.getElementById('div_password').style.display="none";
  35.             }
  36.         }
  37.  
  38.         with (repassword)
  39.         {
  40.  
  41.             if (value==null||value=="")
  42.               {    document.getElementById('div_repassword').style.display="block";
  43.                 document.getElementById('div_repassword').innerHTML="<font color='red'>Password         
  44.  
  45.                 Required</font>";
  46.                 check=false;
  47.             }
  48.             else if(value!=password.value)
  49.             {    document.getElementById('div_repassword').style.display="block";
  50.                 document.getElementById('div_repassword').innerHTML="<font color='red'>Passwords don't match    
  51.  
  52.                 </font>";
  53.                 check=false;    
  54.             }
  55.  
  56.             else   
  57.             {
  58.                 document.getElementById('div_repassword').style.display="none";
  59.             }
  60.  
  61.         }
  62.  
  63.  
  64.         with (securityq)
  65.         {
  66.  
  67.             if (value==null||value=="")
  68.               {    document.getElementById('div_securityq').style.display="block";
  69.                 document.getElementById('div_securityq').innerHTML="<font color='red'>Security question     
  70.  
  71.             Required</font>";
  72.                 check=false;
  73.             }
  74.             else   
  75.             {
  76.                 document.getElementById('div_securityq').style.display="none";
  77.             }
  78.  
  79.         }
  80.  
  81.  
  82.         with (securitya)
  83.         {
  84.  
  85.             if (value==null||value=="")
  86.               {    document.getElementById('div_securitya').style.display="block";
  87.                 document.getElementById('div_securitya').innerHTML="<font color='red'>Security answer         
  88.  
  89.             Required</font>";
  90.                 check=false;
  91.             }
  92.             else   
  93.             {
  94.                 document.getElementById('div_securitya').style.display="none";
  95.             }
  96.  
  97.         }
  98.  
  99.  
  100.         if (months.value=="MM"||days.value=="DD"||years.value=="YYYY")
  101.         {    
  102.             document.getElementById('div_dob').style.display="block";
  103.             document.getElementById('div_dob').innerHTML="<font color='red'>Date Of Birth                
  104.  
  105.         Required</font>";
  106.             check=false;
  107.         }
  108.         else   
  109.         {
  110.             document.getElementById('div_dob').style.display="none";
  111.         }
  112.  
  113.         if (gender[0].checked==false)
  114.         {    
  115.             if(gender[1].checked==false)
  116.               {    document.getElementById('div_gender').style.display="block";
  117.                 document.getElementById('div_gender').innerHTML="<font color='red'>Gender            
  118.  
  119.             Required</font>";
  120.                 check=false;
  121.             }
  122.             else   
  123.             {
  124.                 document.getElementById('div_gender').style.display="none";
  125.             }
  126.  
  127.         }
  128.         else   
  129.         {
  130.             document.getElementById('div_gender').style.display="none";
  131.  
  132.         }
  133.  
  134.         with (visual)
  135.         {
  136.             var uppervalue=value.toUpperCase();
  137.             if (value==null||value=="")
  138.               {    document.getElementById('div_visual').style.display="block";
  139.                 document.getElementById('div_visual').innerHTML="<font color='red'>Text field needs to be     
  140.  
  141.             filled</font>";
  142.                 check=false;
  143.             }
  144.             else if (uppervalue!=string.toUpperCase())
  145.               {    document.getElementById('div_visual').style.display="block";
  146.                 document.getElementById('div_visual').innerHTML="<font color='red'>String didn't         
  147.  
  148.         match</font>";
  149.                 check=false;
  150.             }
  151.             else   
  152.             {
  153.                 document.getElementById('div_visual').style.display="none";
  154.             }
  155.  
  156.         }                
  157.  
  158.  
  159.  
  160.     }
  161.  
  162.  
  163. return check;
  164. }
Expand|Select|Wrap|Line Numbers
  1. function agreeTerms()
  2. {
  3.  
  4.     if(document.form1.terms.checked == true)
  5.     { 
  6.         document.getElementById('div_terms').style.display="none";                                  
  7.  
  8.   document.form1.register.disabled = false;
  9.  
  10.     }
  11.  
  12.     if(document.form1.terms.checked == false)
  13.     { 
  14.             document.getElementById('div_terms').style.display="block";
  15.             document.getElementById('div_terms').innerHTML="<font color='red'>You need to agree to have a <font     
  16.  
  17.             color='white'> Web<font color='orange'>mail</font></font> account </font>";        
  18.             document.form1.register.disabled = true;
  19.     }
  20.  
  21. }
  22. </script>
  23.  
[HTML]</head>

<body bgcolor="black" text="white" vlink="black" alink="black">

<table width="1230" border="2" cellspacing="0" cellpadding="0" align="center" name="header" background="bg_ header.jpg">
<tr>
<td><img src="top.jpg"></td>
</tr>
</table>

<font color="white">
<br><br><br>
<div align="center">
Fields marked with asterisk(*) are compulsary.
</div>


<table align="center">
<form name="form1" id="form1" action="http://localhost/website/reg-com.php" method="post" onsubmit="retur n validate_form

(this)" >

<tr>
<td align="right" valign="bottom" ><font color="white">U sername *</font></td>
<td><div name="div_email " id="div_email"> </div><input type="text" name="email" id="email" maxlength="15">
</td>
</tr>

<tr>
<td align="right" valign="bottom" ><font color="white">P assword *</font></td>
<td><div name="div_passw ord" id="div_passwor d"></div><input type="password" name="password" id="password"

maxlength="15"> </td>
</tr>

<tr>
<td align="right" valign="bottom" ><font color="white">R etype Password *</font></td>
<td><div name="div_repas sword" id="div_repassw ord"></div><input type="password" name="repasswor d" id="repassword "

maxlength="15"> </td>
</tr>

<tr>
<td align="right" valign="bottom" ><font color="white">E nter your Security Question*</font></td>
<td><div name="div_secur ityq" id="div_securit yq"></div><input type="text" name="securityq " id="securityq" size="40"

maxlength="25"> &nbsp;?
</td>
</tr>

<tr>
<td align="right" valign="bottom" ><font color="white">E nter your Security Answer*</font></td>
<td><div name="div_secur itya" id="div_securit ya"></div><input type="text" name="securitya " id="securitya" size="10"

maxlength="10">
</td>
</tr>


<tr>
<td align="right" valign="bottom" ><font color="white">D ate of Birth *</font></td>[/html]
[html]<td>
<div name="div_dob" id="div_dob"></div>
<select name="months">
<option value="MM" selected="selec ted">MM</option>
<option label="Jan" value="01">Jan</option>
<option label="Feb" value="02">Feb</option>
<option label="Mar" value="03">Mar</option>
<option label="Apr" value="04">Apr</option>
<option label="May" value="05">May</option>
<option label="Jun" value="06">Jun</option>
<option label="Jul" value="07">Jul</option>
<option label="Aug" value="08">Aug</option>
<option label="Sep" value="09">Sep</option>
<option label="Oct" value="10">Oct</option>
<option label="Nov" value="11">Nov</option>
<option label="Dec" value="12">Dec</option>
</select>
<select name="days">
<option value="DD" selected="selec ted">DD</option>
<option label="1" value="01">1</option>
<option label="2" value="02">2</option>
<option label="3" value="03">3</option>
<option label="4" value="04">4</option>
<option label="5" value="05">5</option>
<option label="6" value="06">6</option>
<option label="7" value="07">7</option>
<option label="8" value="08">8</option>
<option label="9" value="09">9</option>
<option label="10" value="10">10</option>
<option label="11" value="11">11</option>
<option label="12" value="12">12</option>
<option label="13" value="13">13</option>
<option label="14" value="14">14</option>
<option label="15" value="15">15</option>
<option label="16" value="16">16</option>
<option label="17" value="17">17</option>
<option label="18" value="18">18</option>
<option label="19" value="19">19</option>
<option label="20" value="20">20</option>
<option label="21" value="21">21</option>
<option label="22" value="22">22</option>
<option label="23" value="23">23</option>
<option label="24" value="24">24</option>
<option label="25" value="25">25</option>
<option label="26" value="26">26</option>
<option label="27" value="27">27</option>
<option label="28" value="28">28</option>
<option label="29" value="29">29</option>
<option label="30" value="30">30</option>
<option label="31" value="31">31</option>
</select>
<select name="years">
<option value="YYYY" selected="selec ted">YYYY</option>
<option label="1971" value="1971">19 71</option>
<option label="1972" value="1972">19 72</option>
<option label="1973" value="1973">19 73</option>
<option label="1974" value="1974">19 74</option>
<option label="1975" value="1975">19 75</option>
<option label="1976" value="1976">19 76</option>
<option label="1977" value="1977">19 77</option>
<option label="1978" value="1978">19 78</option>
<option label="1979" value="1979">19 79</option>
<option label="1980" value="1980">19 80</option>
<option label="1981" value="1981">19 81</option>
<option label="1982" value="1982">19 82</option>
<option label="1983" value="1983">19 83</option>
<option label="1984" value="1984">19 84</option>
<option label="1985" value="1985">19 85</option>
<option label="1986" value="1986">19 86</option>
<option label="1987" value="1987">19 87</option>
<option label="1988" value="1988">19 88</option>
<option label="1989" value="1989">19 89</option>
<option label="1990" value="1990">19 90</option>
<option label="1991" value="1991">19 91</option>
<option label="1992" value="1992">19 92</option>
<option label="1993" value="1993">19 93</option>
<option label="1994" value="1994">19 94</option>
<option label="1995" value="1995">19 95</option>
<option label="1996" value="1996">19 96</option>
<option label="1997" value="1997">19 97</option>
<option label="1998" value="1998">19 98</option>
<option label="1999" value="1999">19 99</option>
<option label="2000" value="2000">20 00</option>
<option label="2001" value="2001">20 01</option>
<option label="2002" value="2002">20 02</option>
<option label="2003" value="2003">20 03</option>
<option label="2004" value="2004">20 04</option>
<option label="2005" value="2005">20 05</option>
</select></td>
</tr>

<tr>
<td align="right" valign="bottom" ><font color="white">G ender *</td>
<td>
<div name="div_gende r" id="div_gender" ></div>
<input type="radio" name="gender" id="gender" value='m'><font color="white"> male</font>
<input type="radio" name="gender" id="gender" value='f'><font color="white"> female</font>
</td>
</tr>

<tr>
<td align="right" valign="bottom" ><font color="white">T ype the characters below *</font></td>
<td valign="bottom" ><div name="div_visua l" id="div_visual" ></div><input type="text" name="visual" id="visual"></td>
</tr>

<tr>

<td valign="top">(L etters are not case sensitive)&nbsp ;&nbsp;</td>

<td valign="top">
<div id="div_captcha ">
<p>This will load the the content of external articles into this DIV</p>
</div>
</td>[/html]
[html]<td>
<img alt="Request new image" align="right" src="req_im.gif " onclick="CAPTCH A()">

</td>
</tr>

<tr>
<td></td>
<td align="left">
<textarea onfocus="this.r ows=30" border=1 style="text-align:left" rows="5" cols="55" style="color:wh ite;background-color:rgb

(45,45,70); overflow:hidden " readonly onblur="this.ro ws=5">

TERMS & CONDITIONS
In order to use the Services, you must first agree to the Terms. You may not use the Services if you do not accept the Terms.

1.You acknowledge and agree that if Webmail disables access to your account, you may be prevented from accessing the

Services, your account details or any files or other content which is contained in your account.

2.You agree that any registration information you give to Webmail will always be accurate, correct and up to date.

3.You understand that by using the Services you may be exposed to Content that you may find offensive, indecent or

objectionable and that, in this respect, you use the Services at your own risk.

4.The Terms will continue to apply until terminated by either you or Google as set out below.

5.Unless you have agreed otherwise in writing with Webmail, nothing in the Terms gives you a right to use any of Webmail’s

trade names, trade marks, service marks, logos, domain names, and other distinctive brand features.
</textarea>
</td>
</tr>

<tr>
<td align="right" valign="bottom" >
<input type="checkbox" name="terms" id="terms" checked onclick="agreeT erms()">
</td>
<td>
<div id="div_terms" name="div_terms " ></div>
<font color="white">I agree to the terms and conditions.</font>
</td>
</tr>

</table>


<br>
<div align="center">
<input type="submit" name="register" id="register" value="register ">
</div>
</form>
</font>
</body>
</html>[/HTML]


//contents of captcha.php


[PHP]<?php

srand(time());

for($i=0;$i<5;$ i++)
{
$string=(rand() %6);
echo $string;


}

?>[/PHP]
Oct 23 '07 #7
acoder
16,027 Recognized Expert Moderator MVP
there r no error messages
but in the status bar of Internet Explorer it shows error on page.
Double-click on the error icon. What does the error message say?
i m sending the whole file now.
Please use code tags when posting code:
[CODE=javascrip t]
Your JavaScript code goes here...
[/code]
Oct 23 '07 #8

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1743
Easy PNG/WAVE CAPTCHA with PNG canvas
by: aaronwmail-usenet | last post by:
Announcing SkimpyGimpy Support for PNG image CAPTCHA generation and PNG canvases. You can now use SkimpyGimpy to generate CAPTCHA text representations as PNG image files in addition to preformatted text ASCII art, and WAVE format audio streams, either from command lines or within Python programs. Also general support for drawing text and
PHP
4
5794
Captcha in C# Windows Application
by: xeiter | last post by:
Hi, I have a captcha script on my website located at /captcha.php. What it does it generates an image with the code, displays the image (gd2) and saves the value of the code in session. How do I access that code in session from my c# windows application. I have a form in my application for registering users. The application then calls to the webserver and uses regular .php page to submit user registration. It has captcha and thats why I need...
.NET Framework
4
1510
Captcha image
by: mathewgk80 | last post by:
Hi all, I displaed some random numbers in a textbox.. I am having a captcha image and i would like to display that random numbers in captcha image.. The code i used to display the random numbers in a textbox is shown below... Random r = new Random(); StringBuilder sb = new StringBuilder();
.NET Framework
11
2438
Captcha image Text Size
by: Twayne | last post by:
Hi, Learning PHP code; playing with various methods of generating captcha codes: In the code below, how would I change the size of the text displayed in the captcha code? Is it even possible with this method? TIA, Twayne
PHP
0
1597
check this coding once which for displaying captcha image
by: readnlearn | last post by:
hai, i have written this below code for displaying captcha image whenever i entered incorrect uname,password in login page. for that i disable the controls of captcha like textbox,labels,button and image control in source code of designing part. and i enable those controls in an if condition which display captcha. but if i entered correct information which is in database it shouldn't navigate to the corresponding page and also if entered...
.NET Framework
1
2380
httpclient with captcha
by: thiago freitas | last post by:
Guys, first, which is way is, I already saw source code that works with Java and C # with the class of httpclient apache, now how do I get in php captcha bring the image on the screen and then send the form with the captcha image that the person typed? Let's think of a solution together, because the usefulness of this is extreme.
PHP
1
2592
Captcha: Image is not getting saved to the file
by: swatcat | last post by:
Hi I have implemented Captcha in JAVA using Buffered Image and finally using write of ImageIO But the File into which i am writing is not getting updated ImageIO(image,"jpg",new File("d://captcha.jpg")); This is the code am using. But The image is not getting written into the file
Java
0
9618
marktang
What is ONU?
by: marktang | last post by:
ONU (Optical Network Unit) is one of the key components for providing high-speed Internet services. Its primary function is to act as an endpoint device located at the user's premises. However, people are often confused as to whether an ONU can Work As a Router. In this blog post, we’ll explore What is ONU, What Is Router, ONU & Router’s main usage, and What is the difference between ONU and Router. Let’s take a closer look ! Part I. Meaning of...
General
0
9454
Changing the language in Windows 10
by: Hystou | last post by:
Most computers default to English, but sometimes we require a different language, especially when relocating. Forgot to request a specific language before your computer shipped? No problem! You can effortlessly switch the default language on Windows 10 without reinstalling. I'll walk you through it. First, let's disable language synchronization. With a Microsoft account, language settings sync across devices. To prevent any complications,...
Windows Server
0
10260
Oralloy
Problem With Comparison Operator <=> in G++
by: Oralloy | last post by:
Hello folks, I am unable to find appropriate documentation on the type promotion of bit-fields when using the generalised comparison operator "<=>". The problem is that using the GNU compilers, it seems that the internal comparison operator "<=>" tries to promote arguments from unsigned to signed. This is as boiled down as I can make it. Here is my compilation command: g++-12 -std=c++20 -Wnarrowing bit_field.cpp Here is the code in...
C / C++
0
8933
agi2029
AI Job Threat for Devs
by: agi2029 | last post by:
Let's talk about the concept of autonomous AI software engineers and no-code agents. These AIs are designed to manage the entire lifecycle of a software development project—planning, coding, testing, and deployment—without human intervention. Imagine an AI that can take a project description, break it down, write the code, debug it, and then launch it, all on its own.... Now, this would greatly impact the work of software developers. The idea...
Career Advice
0
5354
Trying to create a lan-to-lan vpn between two differents networks
by: TSSRALBI | last post by:
Hello I'm a network technician in training and I need your help. I am currently learning how to create and manage the different types of VPNs and I have a question about LAN-to-LAN VPNs. The last exercise I practiced was to create a LAN-to-LAN VPN between two Pfsense firewalls, by using IPSEC protocols. I succeeded, with both firewalls in the same network. But I'm wondering if it's possible to do the same thing, with 2 Pfsense firewalls...
Networking - Hardware / Configuration
0
5482
Windows Forms - .Net 8.0
by: adsilva | last post by:
A Windows Forms form does not have the event Unload, like VB6. What one acts like?
Visual Basic .NET
1
4007
transfer the data from one system to another through ip address
by: 6302768590 | last post by:
Hai team i want code for transfer the data from one system to another through IP address by using C# our system has to for every 5mins then we have to update the data what the data is updated we have to send another system
C# / C Sharp
2
3609
muto222
How to add payments to a PHP MySQL app.
by: muto222 | last post by:
How can i add a mobile payment intergratation into php mysql website.
PHP
3
2850
bsmnconsultancy
Comprehensive Guide to Website Development in Toronto: Expert Insights from BSMN Consultancy
by: bsmnconsultancy | last post by:
In today's digital era, a well-designed website is crucial for businesses looking to succeed. Whether you're a small business owner or a large corporation in Toronto, having a strong online presence can significantly impact your brand's success. BSMN Consultancy, a leader in Website Development in Toronto offers valuable insights into creating effective websites that not only look great but also perform exceptionally well. In this comprehensive...
General

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