8.2 sec in total
689 ms
6.8 sec
671 ms
Visit zlpower.com now to see the best up-to-date ZLPOWER content and also check out these interesting facts you probably never knew about zlpower.com
UPS and inverter manufacture of ISO9001 approved,mainly produce online UPS,modular ups,hybrid solar inverter,split phase inverter,off grid inverters and RV inverters.ZLPOWER Offer OEM ODM service for ...
Visit zlpower.comWe analyzed Zlpower.com page load time and found that the first response time was 689 ms and then it took 7.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.
zlpower.com performance score
name
value
score
weighting
Value7.0 s
1/100
10%
Value16.5 s
0/100
25%
Value12.1 s
3/100
10%
Value2,060 ms
7/100
30%
Value0.001
100/100
15%
Value20.6 s
2/100
10%
689 ms
451 ms
907 ms
318 ms
337 ms
Our browser made a total of 76 requests to load all elements on the main page. We found that 39% of them (30 requests) were addressed to the original Zlpower.com, 29% (22 requests) were made to Static.yun300.cn and 13% (10 requests) were made to Static202.yun300.cn. The less responsive or slowest element that took the longest time to load (4.6 sec) belongs to the original domain Zlpower.com.
Page size can be reduced by 544.0 kB (40%)
1.4 MB
806.1 kB
In fact, the total size of Zlpower.com main page is 1.4 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 80% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 690.7 kB which makes up the majority of the site volume.
Potential reduce by 138.6 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 32.1 kB, which is 20% 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 138.6 kB or 85% of the original size.
Potential reduce by 11.2 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. ZLPOWER images are well optimized though.
Potential reduce by 26.9 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 26.9 kB or 74% of the original size.
Potential reduce by 367.4 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. Zlpower.com needs all CSS files to be minified and compressed as it can save up to 367.4 kB or 80% of the original size.
Number of requests can be reduced by 38 (58%)
65
27
The browser has sent 65 CSS, Javascripts, AJAX and image requests in order to completely render the main page of ZLPOWER. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 35 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.
zlpower.com
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zlpower.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.
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
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.
zlpower.com best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
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
Browser errors were logged to the console
Missing source maps for large first-party JavaScript
zlpower.com SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
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
EN
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Zlpower.com can be misinterpreted by Google and other search engines. Our service has detected that English 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 Zlpower.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.
zlpower.com
Open Graph description is not detected on the main page of ZLPOWER. 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: