18.2 sec in total
1.7 sec
16.1 sec
422 ms
Welcome to tangxin.com homepage info - get ready to check Tangxin best content right away, or after learning these important things about tangxin.com
深圳市唐信科技有限公司,是专业从事通信器材制造集研发、生产、销售、售后服务于一体的高新技术企业。近十年来不断自主研发,到目前为止,已成功推出“电话录音系统”、“WS计费软件”、“程控交换机计费软件”、“小型呼叫中心系统”、“传真系统”等系列产品,并已广泛应用于行政、公安、金融、证券、电力、通信、医疗、保险、物流、贸易等行业。
Visit tangxin.comWe analyzed Tangxin.com page load time and found that the first response time was 1.7 sec and then it took 16.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.
tangxin.com performance score
name
value
score
weighting
Value1.4 s
97/100
10%
Value1.4 s
100/100
25%
Value4.4 s
75/100
10%
Value10 ms
100/100
30%
Value0.257
48/100
15%
Value3.5 s
92/100
10%
1694 ms
1444 ms
759 ms
779 ms
530 ms
Our browser made a total of 40 requests to load all elements on the main page. We found that 90% of them (36 requests) were addressed to the original Tangxin.com, 10% (4 requests) were made to Pub.idqqimg.com. The less responsive or slowest element that took the longest time to load (2.4 sec) belongs to the original domain Tangxin.com.
Page size can be reduced by 314.3 kB (36%)
864.6 kB
550.3 kB
In fact, the total size of Tangxin.com main page is 864.6 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 25% of websites need less resources to load. Images take 513.8 kB which makes up the majority of the site volume.
Potential reduce by 25.2 kB
HTML content can be minified and compressed by a website’s server. The most efficient way is to compress content using GZIP which reduces data amount travelling through the network between server and browser. This page needs HTML code to be minified as it can gain 3.8 kB, which is 12% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 25.2 kB or 81% of the original size.
Potential reduce by 40.5 kB
Image size optimization can help to speed up a website loading time. The chart above shows the difference between the size before and after optimization. Tangxin images are well optimized though.
Potential reduce by 94.9 kB
It’s better to minify JavaScript in order to improve website performance. The diagram shows the current total size of all JavaScript files against the prospective JavaScript size after its minification and compression. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 94.9 kB or 68% of the original size.
Potential reduce by 153.7 kB
CSS files minification is very important to reduce a web page rendering time. The faster CSS files can load, the earlier a page can be rendered. Tangxin.com needs all CSS files to be minified and compressed as it can save up to 153.7 kB or 85% of the original size.
Number of requests can be reduced by 6 (16%)
38
32
The browser has sent 38 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Tangxin. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.
tangxin.com
1694 ms
bootstrap.css
1444 ms
style.css
759 ms
bootstrap-responsive.css
779 ms
flaticon.css
530 ms
banner01.jpg
1664 ms
banner02.jpg
1748 ms
banner03.jpg
1800 ms
product-logo-96-s.jpg
1044 ms
product-logo-112-s.jpg
1052 ms
product-logo-82-s.jpg
1308 ms
product-logo-83-s.jpg
1308 ms
product-logo-84-s.jpg
1664 ms
product-logo-85-s.jpg
1665 ms
product-logo-86-s.jpg
1679 ms
product-logo-89-s.jpg
1772 ms
product-logo-107-s.jpg
1837 ms
product-logo-108-s.jpg
1832 ms
product-logo-101-s.jpg
1925 ms
product-logo-103-s.jpg
2011 ms
product-logo-97-s.jpg
2026 ms
product-logo-98-s.jpg
2047 ms
product-logo-111-s.jpg
2084 ms
jquery-1.8.3.min.js
2377 ms
bootstrap.min.js
1932 ms
responsive-nav.js
2028 ms
main.js
2051 ms
20081203185437php5EE.jpg
2074 ms
20081203204727php68F.jpg
2102 ms
20081204111230phpCDD.jpg
2175 ms
20081204113251phpD03.jpg
2281 ms
f_logo.png
2310 ms
logo.png
1099 ms
icon.png
1120 ms
help_bg.jpg
1195 ms
flaticon.woff
1128 ms
button_old_81.gif
449 ms
button_11.gif
455 ms
button_old_81.gif
461 ms
button_11.gif
226 ms
tangxin.com accessibility score
ARIA
These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.
Impact
Issue
[aria-hidden="true"] elements contain focusable descendents
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
Internationalization and localization
These are opportunities to improve the interpretation of your content by users in different locales.
Impact
Issue
<html> element does not have a [lang] attribute
Names and labels
These are opportunities to improve the semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.
Impact
Issue
Image elements do not have [alt] attributes
Best practices
These items highlight common accessibility best practices.
Impact
Issue
[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.
tangxin.com best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Includes front-end JavaScript libraries with known security vulnerabilities
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Displays images with incorrect aspect ratio
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
tangxin.com SEO score
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Image elements do not have [alt] attributes
Mobile Friendly
Make sure your pages are mobile friendly so users don’t have to pinch or zoom in order to read the content pages. [Learn more](https://developers.google.com/search/mobile-sites/).
Impact
Issue
Document uses legible font sizes
Tap targets are not sized appropriately
ZH
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Tangxin.com can be misinterpreted by Google and other search engines. Our service has detected that Chinese is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Tangxin.com main page’s claimed encoding is utf-8. Use of this encoding format is the best practice as the main page visitors from all over the world won’t have any issues with symbol transcription.
tangxin.com
Open Graph description is not detected on the main page of Tangxin. Lack of Open Graph description can be counter-productive for their social media presence, as such a description allows converting a website homepage (or other pages) into good-looking, rich and well-structured posts, when it is being shared on Facebook and other social media. For example, adding the following code snippet into HTML <head> tag will help to represent this web page correctly in social networks: