CAO.IR صفحه اصلی - سازمان هواپيمايي کشوری

cao.ir Website Information

Daily Unique Visits: 5,314

Daily Page Views: 21,256

Income Per Day: $60

Estimated Value: $32,400

This website is located in Iran and is using following IP address 185.74.164.42. See the complete list of popular websites hosted in Iran.

cao.ir is registered under .IR top-level domain. Please check other sites in .IR zone.

Website cao.ir is using the following name servers:

  • ns.parsonline.net
  • ns1.parsonline.net

and is probably hosted by Islamic Republic of Iran Civil Aviation Organization. See the full list of other websites hosted by Islamic Republic of Iran Civil Aviation Organization.

The highest website cao.ir position in Alexa rank database was 207659 and the lowest rank position was 307742. Current position of cao.ir in Alexa rank database is 236169.

Desktop speed score of cao.ir (31/100) is better than the results of 8.96% of other sites and shows that the page desktop performance can be improved.

Mobile usability score of cao.ir (97/100) is better than the results of 49.9% of other sites and means that the page is mobile-friendly.

Mobile speed score of cao.ir (24/100) is better than the results of 6.28% of other sites and shows that the landing page performance on mobile devices is poor and can be improved.

Advertisement

cao.ir Alexa Rank

The traffic rank is based on three months of aggregated historical traffic data from millions of Alexa Toolbar users and is a combined measure of page views and users.


cao.ir whois

WHOIS gives you the ability to lookup any generic domains to find out the registered domain holder. WHOIS database are provided for information purposes only. It allows the public to check whether a specific domain name is still available or not and to obtain information related to the registration records of existing domain names.


% This is the IRNIC Whois server v1.6.2.
% Available on web at http://whois.nic.ir/
% Find the terms and conditions of use on http://www.nic.ir/
%
% This server uses UTF-8 as the encoding for requests and responses.

% NOTE: This output has been filtered.

% Information related to 'cao.ir'

domain: cao.ir
ascii: cao.ir
remarks: The information about this domain is hidden by the domain holder
nserver: ns1.cao.ir
nserver: ns2.cao.ir
source: IRNIC

cao.ir server information

Servers Location

cao.ir desktop page speed rank

Last tested: 2017-12-03


Desktop Speed Bad
31/100

cao.ir Desktop Speed Test Quick Summary


priority - 133Enable compression

Compressing resources with gzip or deflate can reduce the number of bytes sent over the network.

Enable compression for the following resources to reduce their transfer size by 1.3MiB (75% reduction).

Compressing http://www.cao.ir/html/js/barebone.jsp?browserId=o…b=6200&t=1507792414000 could save 404.8KiB (69% reduction).
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Compressing http://www.cao.ir/ could save 116.2KiB (85% reduction).
Compressing http://www.cao.ir/cao-theme/css/main.css?browserId…b=6200&t=1500897640000 could save 115.3KiB (83% reduction).
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Compressing http://www.cao.ir/NetForm/html/js/plugin.js?browse…b=6200&t=1510139465000 could save 86.8KiB (72% reduction).
Compressing http://www.cao.ir/NetForm/html/js/main.js?browserI…b=6200&t=1510139465000 could save 84.7KiB (71% reduction).
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priority - 61Optimize images

Properly formatting and compressing images can save many bytes of data.

Optimize the following images to reduce their size by 589.5KiB (63% reduction).

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priority - 20Leverage browser caching

Setting an expiry date or a maximum age in the HTTP headers for static resources instructs the browser to load previously downloaded resources from local disk rather than over the network.

Leverage browser caching for the following cacheable resources:

http://www.cao.ir/?p_p_id=NetFormGetFile_WAR_NetFo…ppNXQxallQbXRBPT0=.jpg (30 minutes)
http://www.cao.ir/?p_p_id=NetFormGetFile_WAR_NetFo…pTWU9GZjVVT3d3PT0=.jpg (30 minutes)
http://www.cao.ir/?p_p_id=NetFormGetFile_WAR_NetFo…oyZmFZeVI5TElnPT0=.jpg (30 minutes)
http://www.cao.ir/?p_p_id=NetFormGetFile_WAR_NetFo…pkVkwxaG1uRGZRPT0=.jpg (30 minutes)
http://www.cao.ir/?p_p_id=NetFormGetFile_WAR_NetFo…pRaGtwYjJYbW9nPT0=.jpg (30 minutes)
http://www.cao.ir/?p_p_id=NetFormGetFile_WAR_NetFo…U3ZUhpM3kxNjU3Sg==.jpg (30 minutes)
http://www.cao.ir/?p_p_id=NetFormGetFile_WAR_NetFo…pDOEdFenZJZkN3PT0=.jpg (30 minutes)
http://www.cao.ir/?p_p_id=NetFormGetFile_WAR_NetFo…pqcW1yM3BacFNnPT0=.gif (30 minutes)
http://www.cao.ir/?p_p_id=NetFormGetFile_WAR_NetFo…pDaWZmUnd1blpBPT0=.jpg (30 minutes)
http://www.cao.ir/?p_p_id=NetFormGetFile_WAR_NetFo…owWWZiRVBQcktRPT0=.jpg (30 minutes)
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http://www.cao.ir/?p_p_id=NetFormGetFile_WAR_NetFo…pwQitLS2dxbzBBPT0=.jpg (30 minutes)
http://www.cao.ir/?p_p_id=NetFormGetFile_WAR_NetFo…ozTFFqV1g5a09nPT0=.png (30 minutes)
http://www.cao.ir/?p_p_id=NetFormGetFile_WAR_NetFo…pMQy9sNTdxQTd3PT0=.gif (30 minutes)
http://www.cao.ir/?p_p_id=NetFormGetFile_WAR_NetFo…lnUXVKalhWaSsvVw==.jpg (30 minutes)
http://www.cao.ir/?p_p_id=NetFormGetFile_WAR_NetFo…lpWTVwcDFqMWJyQQ==.jpg (30 minutes)
http://www.cao.ir/?p_p_id=NetFormGetFile_WAR_NetFo…pEQUVLNHhXdTV3PT0=.png (30 minutes)
http://www.cao.ir/?p_p_id=NetFormGetFile_WAR_NetFo…padk5XRUg1SldBPT0=.jpg (30 minutes)
http://www.cao.ir/?p_p_id=NetFormGetFile_WAR_NetFo…pwZTR3bkIvVzFnPT0=.jpg (30 minutes)
http://www.cao.ir/?p_p_id=NetFormGetFile_WAR_NetFo…pGVm1yaS8rOXB3PT0=.jpg (30 minutes)
http://www.cao.ir/?p_p_id=NetFormGetFile_WAR_NetFo…pLT1RIM2ZYbEFRPT0=.jpg (30 minutes)
http://www.cao.ir/?p_p_id=NetFormGetFile_WAR_NetFo…o1Sk85MFVFOHN3PT0=.jpg (30 minutes)
http://www.cao.ir/?p_p_id=NetFormGetFile_WAR_NetFo…pobmliK3pxN0RRPT0=.jpg (30 minutes)
http://www.cao.ir/?p_p_id=NetFormGetFile_WAR_NetFo…NLaFZZSHlaZjA0Uw==.jpg (30 minutes)
http://www.cao.ir/?p_p_id=NetFormGetFile_WAR_NetFo…o1TGo1UjhGM0d3PT0=.jpg (30 minutes)
http://www.cao.ir/NetForm/html/css/main.css?browse…b=6200&t=1510139465000 (30 minutes)
http://www.cao.ir/NetForm/html/js/calendar/calendar-fa.js (30 minutes)
http://www.cao.ir/NetForm/html/js/main.js?browserI…b=6200&t=1510139465000 (30 minutes)
http://www.cao.ir/NetForm/html/js/plugin.js?browse…b=6200&t=1510139465000 (30 minutes)
http://www.cao.ir/analytics/piwik.js (30 minutes)
http://www.cao.ir/html/js/liferay/available_langua…b=6200&t=1507792414000 (30 minutes)
http://www.netrise.ir/extras/netrise_footer_icon.png (5 hours)

priority - 14Eliminate render-blocking JavaScript and CSS in above-the-fold content

Your page has 3 blocking script resources and 6 blocking CSS resources. This causes a delay in rendering your page.

Remove render-blocking JavaScript:

http://www.cao.ir/html/js/barebone.jsp?browserId=o…b=6200&t=1507792414000
http://www.cao.ir/NetForm/html/js/main.js?browserI…b=6200&t=1510139465000
http://www.cao.ir/NetForm/html/js/plugin.js?browse…b=6200&t=1510139465000

Optimize CSS Delivery of the following:

http://www.cao.ir/cao-theme/css/aui.css?browserId=…b=6200&t=1500897640000
http://www.cao.ir/html/css/main.css?browserId=othe…b=6200&t=1394630614000
http://www.cao.ir/NetForm/html/css/main.css?browse…b=6200&t=1510139465000
http://www.cao.ir/notifications-portlet/notificati…b=6200&t=1510139404000
http://www.cao.ir/html/portlet/login/css/main.css?…b=6200&t=1510139239000
http://www.cao.ir/cao-theme/css/main.css?browserId…b=6200&t=1500897640000

priority - 1Reduce server response time

priority - 1Minify JavaScript

Compacting JavaScript code can save many bytes of data and speed up downloading, parsing, and execution time.

Minify JavaScript for the following resources to reduce their size by 11.6KiB (40% reduction).

Minifying http://www.cao.ir/cao-theme/js/jquery.fractionslider.js could save 11.6KiB (40% reduction).

cao.ir Desktop Resource Breakdown

Total Resources97
Number of Hosts4
Static Resources78
JavaScript Resources18
CSS Resources8

cao.ir mobile page speed rank

Last tested: 2017-12-03


Mobile Speed Bad
24/100

cao.ir Mobile Speed Test Quick Summary


priority - 133Enable compression

Compressing resources with gzip or deflate can reduce the number of bytes sent over the network.

Enable compression for the following resources to reduce their transfer size by 1.3MiB (75% reduction).

Compressing http://www.cao.ir/html/js/barebone.jsp?browserId=o…b=6200&t=1507792414000 could save 404.8KiB (69% reduction).
Compressing http://www.cao.ir/cao-theme/css/aui.css?browserId=…b=6200&t=1500897640000 could save 154.3KiB (84% reduction).
Compressing http://www.cao.ir/ could save 116.2KiB (85% reduction).
Compressing http://www.cao.ir/cao-theme/css/main.css?browserId…b=6200&t=1500897640000 could save 115.3KiB (83% reduction).
Compressing http://www.cao.ir/html/css/main.css?browserId=othe…b=6200&t=1394630614000 could save 89.3KiB (83% reduction).
Compressing http://www.cao.ir/NetForm/html/js/plugin.js?browse…b=6200&t=1510139465000 could save 86.8KiB (72% reduction).
Compressing http://www.cao.ir/NetForm/html/js/main.js?browserI…b=6200&t=1510139465000 could save 84.7KiB (71% reduction).
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Compressing http://www.cao.ir/cao-theme/js/jquery.fractionslider.js could save 22.8KiB (78% reduction).
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Compressing http://www.cao.ir/combo/?browserId=other&minifierT…tion/transition-min.js could save 4.8KiB (62% reduction).
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Compressing http://www.cao.ir/NetForm/html/js/calendar/calendar-fa.js could save 1.5KiB (57% reduction).
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priority - 64Eliminate render-blocking JavaScript and CSS in above-the-fold content

Your page has 16 blocking script resources and 9 blocking CSS resources. This causes a delay in rendering your page.

Remove render-blocking JavaScript:

http://www.cao.ir/html/js/barebone.jsp?browserId=o…b=6200&t=1507792414000
http://www.cao.ir/NetForm/html/js/main.js?browserI…b=6200&t=1510139465000
http://www.cao.ir/NetForm/html/js/plugin.js?browse…b=6200&t=1510139465000
http://www.cao.ir/NetForm/html/js/calendar/calendar-fa.js
http://www.cao.ir/cao-theme/js/jquery.fractionslider.js
http://www.cao.ir/NetForm/html/js/calendar/calendar-fa.js
http://www.cao.ir/NetForm/html/js/calendar/calendar-fa.js
http://www.cao.ir/cao-theme/js/jquery.jcarousellite.js
http://www.cao.ir/NetForm/html/js/calendar/calendar-fa.js
http://www.cao.ir/NetForm/html/js/calendar/calendar-fa.js
http://www.cao.ir/NetForm/html/js/calendar/calendar-fa.js
http://www.cao.ir/cao-theme/js/jquery.jcarousellite.js
http://www.cao.ir/NetForm/html/js/calendar/calendar-fa.js
http://www.cao.ir/NetForm/html/js/calendar/calendar-fa.js
http://www.cao.ir/notifications-portlet/notificati…b=6200&t=1510139404000
http://www.cao.ir/cao-theme/js/main.js?browserId=o…b=6200&t=1500897640000

Optimize CSS Delivery of the following:

http://www.cao.ir/cao-theme/css/aui.css?browserId=…b=6200&t=1500897640000
http://www.cao.ir/html/css/main.css?browserId=othe…b=6200&t=1394630614000
http://www.cao.ir/NetForm/html/css/main.css?browse…b=6200&t=1510139465000
http://www.cao.ir/notifications-portlet/notificati…b=6200&t=1510139404000
http://www.cao.ir/html/portlet/login/css/main.css?…b=6200&t=1510139239000
http://www.cao.ir/cao-theme/css/main.css?browserId…b=6200&t=1500897640000
http://www.cao.ir/assets/css/test.css
http://www.cao.ir/combo/?browserId=other&minifierT…s/sam/widget-stack.css
http://www.cao.ir/combo/?browserId=other&minifierT…ns/sam/resize-base.css

priority - 49Optimize images

Properly formatting and compressing images can save many bytes of data.

Optimize the following images to reduce their size by 475.3KiB (54% reduction).

Compressing http://www.cao.ir/?p_p_id=NetFormGetFile_WAR_NetFo…pTWU9GZjVVT3d3PT0=.jpg could save 106.7KiB (47% reduction).
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Compressing http://www.cao.ir/?p_p_id=NetFormGetFile_WAR_NetFo…oyZmFZeVI5TElnPT0=.jpg could save 48.3KiB (67% reduction).
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Compressing http://www.cao.ir/?p_p_id=NetFormGetFile_WAR_NetFo…FJbnNaKzI0WnN0Vg==.jpg could save 7.1KiB (64% reduction).
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Compressing http://www.cao.ir/?p_p_id=NetFormGetFile_WAR_NetFo…pwQitLS2dxbzBBPT0=.jpg could save 1.5KiB (22% reduction).
Compressing http://www.cao.ir/cao-theme/images/themeimg/menubgs.jpg could save 1.4KiB (79% reduction).
Compressing http://www.cao.ir/documents/175332/0/bg_dot_solid.jpg could save 1KiB (78% reduction).
Compressing http://www.cao.ir/cao-theme/images/themeimg/homeicon.png could save 914B (74% reduction).
Compressing http://www.cao.ir/cao-theme/images/themeimg/emailicon.png could save 901B (73% reduction).
Compressing http://www.cao.ir/cao-theme/images/themeimg/searchbtn.png could save 897B (76% reduction).
Compressing http://www.cao.ir/documents/178001/197620/arrow-bullet.png could save 882B (85% reduction).
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priority - 30Leverage browser caching

Setting an expiry date or a maximum age in the HTTP headers for static resources instructs the browser to load previously downloaded resources from local disk rather than over the network.

Leverage browser caching for the following cacheable resources:

http://www.cao.ir/?p_p_id=NetFormGetFile_WAR_NetFo…ppNXQxallQbXRBPT0=.jpg (30 minutes)
http://www.cao.ir/?p_p_id=NetFormGetFile_WAR_NetFo…pTWU9GZjVVT3d3PT0=.jpg (30 minutes)
http://www.cao.ir/?p_p_id=NetFormGetFile_WAR_NetFo…oyZmFZeVI5TElnPT0=.jpg (30 minutes)
http://www.cao.ir/?p_p_id=NetFormGetFile_WAR_NetFo…pkVkwxaG1uRGZRPT0=.jpg (30 minutes)
http://www.cao.ir/?p_p_id=NetFormGetFile_WAR_NetFo…pRaGtwYjJYbW9nPT0=.jpg (30 minutes)
http://www.cao.ir/?p_p_id=NetFormGetFile_WAR_NetFo…U3ZUhpM3kxNjU3Sg==.jpg (30 minutes)
http://www.cao.ir/?p_p_id=NetFormGetFile_WAR_NetFo…pDOEdFenZJZkN3PT0=.jpg (30 minutes)
http://www.cao.ir/?p_p_id=NetFormGetFile_WAR_NetFo…pqcW1yM3BacFNnPT0=.gif (30 minutes)
http://www.cao.ir/?p_p_id=NetFormGetFile_WAR_NetFo…pDaWZmUnd1blpBPT0=.jpg (30 minutes)
http://www.cao.ir/?p_p_id=NetFormGetFile_WAR_NetFo…owWWZiRVBQcktRPT0=.jpg (30 minutes)
http://www.cao.ir/?p_p_id=NetFormGetFile_WAR_NetFo…ovc3lyVy9hOW5BPT0=.jpg (30 minutes)
http://www.cao.ir/?p_p_id=NetFormGetFile_WAR_NetFo…pmV1o3di94WUZBPT0=.png (30 minutes)
http://www.cao.ir/?p_p_id=NetFormGetFile_WAR_NetFo…phbHFtN21LYnJnPT0=.jpg (30 minutes)
http://www.cao.ir/?p_p_id=NetFormGetFile_WAR_NetFo…FJbnNaKzI0WnN0Vg==.jpg (30 minutes)
http://www.cao.ir/?p_p_id=NetFormGetFile_WAR_NetFo…pQOVI1bTdOc2VBPT0=.jpg (30 minutes)
http://www.cao.ir/?p_p_id=NetFormGetFile_WAR_NetFo…pTYkVGR01pMHd3PT0=.jpg (30 minutes)
http://www.cao.ir/?p_p_id=NetFormGetFile_WAR_NetFo…o2cUw1RHJ5TXJRPT0=.jpg (30 minutes)
http://www.cao.ir/?p_p_id=NetFormGetFile_WAR_NetFo…ppTDAxS3RvdFF3PT0=.jpg (30 minutes)
http://www.cao.ir/?p_p_id=NetFormGetFile_WAR_NetFo…pCMGt2NGdMMTJ3PT0=.jpg (30 minutes)
http://www.cao.ir/?p_p_id=NetFormGetFile_WAR_NetFo…pwQitLS2dxbzBBPT0=.jpg (30 minutes)
http://www.cao.ir/?p_p_id=NetFormGetFile_WAR_NetFo…ozTFFqV1g5a09nPT0=.png (30 minutes)
http://www.cao.ir/?p_p_id=NetFormGetFile_WAR_NetFo…pMQy9sNTdxQTd3PT0=.gif (30 minutes)
http://www.cao.ir/?p_p_id=NetFormGetFile_WAR_NetFo…lnUXVKalhWaSsvVw==.jpg (30 minutes)
http://www.cao.ir/?p_p_id=NetFormGetFile_WAR_NetFo…lpWTVwcDFqMWJyQQ==.jpg (30 minutes)
http://www.cao.ir/?p_p_id=NetFormGetFile_WAR_NetFo…pEQUVLNHhXdTV3PT0=.png (30 minutes)
http://www.cao.ir/?p_p_id=NetFormGetFile_WAR_NetFo…padk5XRUg1SldBPT0=.jpg (30 minutes)
http://www.cao.ir/?p_p_id=NetFormGetFile_WAR_NetFo…pwZTR3bkIvVzFnPT0=.jpg (30 minutes)
http://www.cao.ir/?p_p_id=NetFormGetFile_WAR_NetFo…pGVm1yaS8rOXB3PT0=.jpg (30 minutes)
http://www.cao.ir/?p_p_id=NetFormGetFile_WAR_NetFo…pLT1RIM2ZYbEFRPT0=.jpg (30 minutes)
http://www.cao.ir/?p_p_id=NetFormGetFile_WAR_NetFo…o1Sk85MFVFOHN3PT0=.jpg (30 minutes)
http://www.cao.ir/?p_p_id=NetFormGetFile_WAR_NetFo…pobmliK3pxN0RRPT0=.jpg (30 minutes)
http://www.cao.ir/?p_p_id=NetFormGetFile_WAR_NetFo…NLaFZZSHlaZjA0Uw==.jpg (30 minutes)
http://www.cao.ir/?p_p_id=NetFormGetFile_WAR_NetFo…o1TGo1UjhGM0d3PT0=.jpg (30 minutes)
http://www.cao.ir/NetForm/html/css/main.css?browse…b=6200&t=1510139465000 (30 minutes)
http://www.cao.ir/NetForm/html/js/calendar/calendar-fa.js (30 minutes)
http://www.cao.ir/NetForm/html/js/main.js?browserI…b=6200&t=1510139465000 (30 minutes)
http://www.cao.ir/NetForm/html/js/plugin.js?browse…b=6200&t=1510139465000 (30 minutes)
http://www.cao.ir/analytics/piwik.js (30 minutes)
http://www.cao.ir/html/js/liferay/available_langua…b=6200&t=1507792414000 (30 minutes)
http://www.netrise.ir/extras/netrise_footer_icon.png (5 hours)

priority - 24Prioritize visible content

Your page requires additional network round trips to render the above-the-fold content. For best performance, reduce the amount of HTML needed to render above-the-fold content.

The entire HTML response was not sufficient to render the above-the-fold content. This usually indicates that additional resources, loaded after HTML parsing, were required to render above-the-fold content. Prioritize visible content that is needed for rendering above-the-fold by including it directly in the HTML response.

Only about 60% of the final above-the-fold content could be rendered with the full HTML response.

priority - 2Reduce server response time

priority - 1Minify JavaScript

Compacting JavaScript code can save many bytes of data and speed up downloading, parsing, and execution time.

Minify JavaScript for the following resources to reduce their size by 11.6KiB (40% reduction).

Minifying http://www.cao.ir/cao-theme/js/jquery.fractionslider.js could save 11.6KiB (40% reduction).

cao.ir Mobile Resource Breakdown

Total Resources94
Number of Hosts4
Static Resources76
JavaScript Resources19
CSS Resources8

cao.ir mobile page usability

Last tested: 2017-12-03


Mobile Usability Good
97/100

cao.ir Mobile Usability Test Quick Summary


priority - 2Size tap targets appropriately

Some of the links/buttons on your webpage may be too small for a user to easily tap on a touchscreen. Consider making these tap targets larger to provide a better user experience.

The following tap targets are close to other nearby tap targets and may need additional spacing around them.

The tap target <a href="/home"></a> and 5 others are close to other tap targets.

The tap target <a href="/news/organiza…-بخش-خصوصي-است">عابدزاده در نم…بخش خصوصي است</a> is close to 1 other tap targets.

The tap target <a href="/news/organiza…یمایی-کشوری-شد">حسنلو سرپرست م…یمایی کشوری شد</a> is close to 1 other tap targets.

The tap target <a href="/rss/announcement/17" class="icon-rss"> is close to 1 other tap targets.

The tap target <a href="http://www.cao.ir/rules">سامانه قوانين و مقررات</a> is close to 1 other tap targets.
The tap target <a href="https://bullet…bulletin/main/">بريده جرايد</a> and 11 others are close to other tap targets.

cao.ir HTML validation

Errors

Bad start tag in “p” in “head”.

Line: 1 Column: 6686 - 6688
"...<noscript><p><img s..."

Stray end tag “noscript”.

Line: 1 Column: 6776 - 6786
"...="" /></p></noscript> <scri..."

Element “style” not allowed as child of element “body” in this context. (Suppressing further errors from this subtree.)

Line: 1 Column: 7464 - 7486
"...t/css" /> <style type="text/css">#p_p_i..."

Stray end tag “head”.

Line: 1 Column: 8592 - 8598
"...}</style> </head> <body..."

Start tag “body” seen but an element of the same type was already open.

Line: 1 Column: 8600 - 8706
"...> </head> <body class="cao-main yui3-skin-sam controls-visible guest-site signed-out public-page site dockbar-split"> <div ..."

Cannot recover after last error. Any further errors will be ignored.

Line: 1 Column: 8600 - 8706
"...> </head> <body class="cao-main yui3-skin-sam controls-visible guest-site signed-out public-page site dockbar-split"> <div ..."

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cao.ir Ping

Ping is a computer network administration software utility used to test the reachability of a host on an Internet Protocol (IP) network. It measures the round-trip time for messages sent from the originating host to a destination computer that are echoed back to the source.


cao.ir TRACEROUTE

Traceroute is a computer network diagnostic tool for displaying the route (path) and measuring transit delays of packets across an Internet Protocol (IP) network. The history of the route is recorded as the round-trip times of the packets received from each successive host (remote node) in the route (path); the sum of the mean times in each hop is a measure of the total time spent to establish the connection. Traceroute proceeds unless all (three) sent packets are lost more than twice, then the connection is lost and the route cannot be evaluated.