TWCA.COM.TW TWCA - 臺灣網路認證 - 專業電子商務安全機制,提供SSL憑證、安控軟硬體,為資訊安全做嚴格的把關

twca.com.tw Website Information

Daily Unique Visits: 738

Daily Page Views: 1,476

Income Per Day: $5

Estimated Value: $1,200

This website is located in Unknown Zone and is using following IP address no. See the complete list of popular websites hosted in Unknown Zone.

twca.com.tw is registered under .TW top-level domain. Please check other sites in .TW zone.

Website twca.com.tw is using the following name servers:

  • no

and is probably hosted by Chunghwa Telecom Co., Ltd.. See the full list of other websites hosted by Chunghwa Telecom Co., Ltd..

The highest website twca.com.tw position in Alexa rank database was 32057 and the lowest rank position was 998967. Current position of twca.com.tw in Alexa rank database is 971414.

Desktop speed score of twca.com.tw (62/100) is better than the results of 38.44% of other sites and shows that the page desktop performance can be improved.

Mobile usability score of twca.com.tw (63/100) is better than the results of 9.16% of other sites and means that the page is not mobile-friendly.

Mobile speed score of twca.com.tw (49/100) is better than the results of 31.99% of other sites and shows that the landing page performance on mobile devices is poor and can be improved.

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twca.com.tw 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.


twca.com.tw 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.


Domain Name: twca.com.tw
Domain Status: ok
Registrant:
臺灣網路認證股份有限公司
TAIWAN-CA INC.
maintain@twca.com.tw
TW
(Redacted for privacy)

Administrative Contact:
(Redacted for privacy)

Technical Contact:
(Redacted for privacy)

Record expires on 2029-05-14 00:00:00 (UTC+8)
Record created on 2000-02-23 21:44:40 (UTC+8)

Domain servers in listed order:
dns8.twca.com.tw 219.87.56.254
dns7.twca.com.tw 60.250.3.143,219.87.64.171 2001:B031:1306:FF00::FFFE
dns2.twca.com.tw 210.66.125.105,219.80.58.105

Registration Service Provider: TWNIC
Registration Service URL: http://rs.twnic.net.tw/
Registrar Abuse Contact Email: abuse@twnic.tw

twca.com.tw server information

Servers Location

twca.com.tw desktop page speed rank

Last tested: 2019-01-07


Desktop Speed Bad
62/100

twca.com.tw Desktop Speed Test Quick Summary


priority - 25Leverage browser caching

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priority - 19Optimize images

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priority - 9Avoid landing page redirects

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priority - 8Eliminate render-blocking JavaScript and CSS in above-the-fold content

Your page has 2 blocking script resources and 1 blocking CSS resources. This causes a delay in rendering your page.

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https://ssllogo.twca.com.tw/twcaseal_v3.js

Optimize CSS Delivery of the following:

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priority - 3Reduce server response time

In our test, your server responded in 0.47 seconds.

priority - 0Enable compression

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priority - 0Minify HTML

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twca.com.tw Desktop Resource Breakdown

Total Resources56
Number of Hosts3
Static Resources53
JavaScript Resources3
CSS Resources2

twca.com.tw mobile page speed rank

Last tested: 2019-01-07


Mobile Speed Bad
49/100

twca.com.tw Mobile Speed Test Quick Summary


priority - 38Leverage 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:

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priority - 34Avoid landing page redirects

Your page has 2 redirects. Redirects introduce additional delays before the page can be loaded.

Avoid landing page redirects for the following chain of redirected URLs.

http://twca.com.tw/
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https://www.twca.com.tw/Portal/Portal.aspx

priority - 24Eliminate render-blocking JavaScript and CSS in above-the-fold content

Your page has 1 blocking script resources and 1 blocking CSS resources. This causes a delay in rendering your page.

Remove render-blocking JavaScript:

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Optimize CSS Delivery of the following:

https://www.twca.com.tw/Portal/page_style.css

priority - 19Optimize images

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priority - 0Enable 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 1.7KiB (46% reduction).

Compressing https://ssllogo.twca.com.tw/twcaseal_v3.js could save 1.1KiB (41% reduction).
Compressing https://ssllogo.twca.com.tw/twca.css could save 653B (60% reduction).

priority - 0Minify HTML

Compacting HTML code, including any inline JavaScript and CSS contained in it, can save many bytes of data and speed up download and parse times.

Minify HTML for the following resources to reduce their size by 810B (12% reduction).

Minifying https://www.twca.com.tw/Portal/Portal.aspx could save 810B (12% reduction) after compression.

twca.com.tw Mobile Resource Breakdown

Total Resources56
Number of Hosts3
Static Resources53
JavaScript Resources3
CSS Resources2

twca.com.tw mobile page usability

Last tested: 2019-01-07


Mobile Usability Bad
63/100

twca.com.tw Mobile Usability Test Quick Summary


priority - 40Use legible font sizes

The following text on your page renders in a way that may be difficult for some of your visitors to read. Use legible font sizes to provide a better user experience.

The following text fragments have a small font size. Increase the font size to make them more legible.

金融市場應用 and 6 others render only 5 pixels tall (14 CSS pixels).

五大電信董事長齊聚首 攜手…臺灣行動實名認證服務!... and 9 others render only 5 pixels tall (14 CSS pixels).

證券暨期貨相關單位共用憑證 and 17 others render only 5 pixels tall (14 CSS pixels).

and 10 others render only 5 pixels tall (14 CSS pixels).

19/01/07 renders only 4 pixels tall (11 CSS pixels).

©2017…ghts reserved. and 4 others render only 5 pixels tall (13 CSS pixels).

隱私權聲明 and 1 others render only 5 pixels tall (14 CSS pixels).

priority - 10Configure the viewport

Your page does not have a viewport specified. This causes mobile devices to render your page as it would appear on a desktop browser, scaling it down to fit on a mobile screen. Configure a viewport to allow your page to render properly on all devices.

priority - 5Size content to viewport

The page content is too wide for the viewport, forcing the user to scroll horizontally. Size the page content to the viewport to provide a better user experience.

The page content is 1,039 CSS pixels wide, but the viewport is only 980 CSS pixels wide. The following elements fall outside the viewport:

The element <img src="img2012/2012c_r1_c1.jpg"> falls outside the viewport.
The element <img src="img2012/2012c_r2_c8.jpg"> falls outside the viewport.
The element <td></td> falls outside the viewport.
The element <td class="bgtop_r"></td> falls outside the viewport.
The element <img src="images/spacer.gif"> falls outside the viewport.
The element <span class="tooltiptext">提供證期共用憑證,SSL憑證…FINE憑證等表單線上填寫。</span> falls outside the viewport.
The element <img src="images/spacer.gif"> falls outside the viewport.
The element <span class="tooltiptext">提供貼心的憑證小幫手工具,幫助您處理憑證卡片問題。</span> falls outside the viewport.
The element <img src="images/spacer.gif"> falls outside the viewport.
The element <td></td> falls outside the viewport.
The element <img src="images/spacer.gif"> falls outside the viewport.
The element <td></td> falls outside the viewport.
The element <img src="images/spacer.gif"> falls outside the viewport.
The element <td></td> falls outside the viewport.
The element <img src="images/spacer.gif"> falls outside the viewport.
The element <td></td> falls outside the viewport.
The element <td></td> falls outside the viewport.
The element <div id="twcad2">您現在所上的網站是 臺灣網路…站憑證詳細資訊,請點選 標章</div> falls outside the viewport.
The element <td></td> falls outside the viewport.
The element <td class="bg_r"></td> falls outside the viewport.
The element <td>©2017…南路85號10樓(城中大樓)</td> falls outside the viewport.

priority - 5Size 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="news/News.aspx?type=2"></a> and 20 others are close to other tap targets.

The tap target <a href="#"></a> and 1 others are close to other tap targets.

twca.com.tw HTML validation

Errors

Start tag seen without seeing a doctype first. Expected “<!DOCTYPE html>”.

Line: 3 Column: 1 - 43
"... <html xmlns="http://www.w3.org/1999/xhtml"> <head..."

“style” element between “head” and “body”.

Line: 9 Column: 1 - 7
"...> </head> <style> .tool..."

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

Line: 9 Column: 1 - 7
"...> </head> <style> .tool..."

Warnings

The “type” attribute is unnecessary for JavaScript resources.

Line: 7 Column: 5 - 53
"...s" /> <script type="text/javascript" src="showhide.js"></scri..."

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twca.com.tw 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.


twca.com.tw 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.