20.2 sec in total
4 sec
16.1 sec
173 ms
Welcome to tj-tvt.com homepage info - get ready to check Tj Tvt best content right away, or after learning these important things about tj-tvt.com
天津市塘沽塘阀阀门有限公司主营塘沽塘阀,天津闸阀,天津阀门厂家,广东塘阀,蝶阀代工等,是集设计生产,销售与服务为一体的蝶阀阀门厂家
Visit tj-tvt.comWe analyzed Tj-tvt.com page load time and found that the first response time was 4 sec and then it took 16.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.
tj-tvt.com performance score
name
value
score
weighting
Value1.7 s
92/100
10%
Value1.7 s
99/100
25%
Value6.0 s
46/100
10%
Value0 ms
100/100
30%
Value0
100/100
15%
Value2.0 s
99/100
10%
3952 ms
1346 ms
1280 ms
1158 ms
1394 ms
Our browser made a total of 34 requests to load all elements on the main page. We found that 91% of them (31 requests) were addressed to the original Tj-tvt.com, 6% (2 requests) were made to Hm.baidu.com and 3% (1 request) were made to Libs.baidu.com. The less responsive or slowest element that took the longest time to load (10.9 sec) belongs to the original domain Tj-tvt.com.
Page size can be reduced by 50.6 kB (23%)
219.8 kB
169.3 kB
In fact, the total size of Tj-tvt.com main page is 219.8 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. Only 10% of websites need less resources to load. Images take 155.9 kB which makes up the majority of the site volume.
Potential reduce by 10.1 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 1.9 kB, which is 13% 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 10.1 kB or 73% of the original size.
Potential reduce by 20.2 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. Obviously, Tj Tvt needs image optimization as it can save up to 20.2 kB or 13% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 6.0 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 6.0 kB or 19% of the original size.
Potential reduce by 14.3 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. Tj-tvt.com needs all CSS files to be minified and compressed as it can save up to 14.3 kB or 81% of the original size.
Number of requests can be reduced by 4 (12%)
33
29
The browser has sent 33 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Tj Tvt. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and as a result speed up the page load time.
tj-tvt.com
3952 ms
style.css
1346 ms
jquery.min.js
1280 ms
menu.js
1158 ms
jquery.slides.min.js
1394 ms
slider.js
1158 ms
body_bg.png
245 ms
headbg.png
239 ms
logo1.png
1602 ms
i_add.png
229 ms
fav.png
231 ms
nav-bg.png
1655 ms
banner0.jpg
10649 ms
banner1.jpg
10940 ms
i_about_title.png
1204 ms
i_service_title.png
1005 ms
i_probg_1_0.jpg
3391 ms
i_probg_2_1.jpg
3912 ms
i_probg_1_2.jpg
4351 ms
cert.jpg
2894 ms
i_contact_title.png
3627 ms
201501111645287205.jpg
4577 ms
201501111701428425.jpg
4812 ms
201501111650042968.jpg
5141 ms
201501111655249066.jpg
5556 ms
201501111703545291.jpg
5752 ms
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6224 ms
20150111164751628.jpg
6357 ms
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6739 ms
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6937 ms
201501111643429883.jpg
7419 ms
20150111170748988.jpg
7339 ms
hm.js
798 ms
hm.gif
398 ms
tj-tvt.com accessibility score
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
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
Links do not have a discernible name
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.
tj-tvt.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
General
Impact
Issue
Detected JavaScript libraries
tj-tvt.com SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
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
ZH
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Tj-tvt.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 Tj-tvt.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.
tj-tvt.com
Open Graph description is not detected on the main page of Tj Tvt. 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: