107 sec in total
10.4 sec
84.5 sec
12.2 sec
Welcome to nj-reagent.com homepage info - get ready to check Nj Reagent best content right away, or after learning these important things about nj-reagent.com
南京化学试剂股份有限公司,始建于1958年,是专业从事各类试剂、化学试剂、药用辅料、实验试剂、分析试剂研发、生产、销售和技术服务的高新技术企业。
Visit nj-reagent.comWe analyzed Nj-reagent.com page load time and found that the first response time was 10.4 sec and then it took 96.7 sec to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster. Unfortunately, there were 48 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.
nj-reagent.com performance score
name
value
score
weighting
Value5.0 s
9/100
10%
Value6.2 s
11/100
25%
Value23.2 s
0/100
10%
Value300 ms
78/100
30%
Value0
100/100
15%
Value18.8 s
3/100
10%
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3004 ms
2553 ms
Our browser made a total of 160 requests to load all elements on the main page. We found that 81% of them (129 requests) were addressed to the original Nj-reagent.com, 3% (5 requests) were made to Hb.crm2.qq.com and 3% (4 requests) were made to Hm.baidu.com. The less responsive or slowest element that took the longest time to load (20.5 sec) belongs to the original domain Nj-reagent.com.
Page size can be reduced by 270.4 kB (42%)
644.4 kB
374.0 kB
In fact, the total size of Nj-reagent.com main page is 644.4 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 355.6 kB which makes up the majority of the site volume.
Potential reduce by 60.7 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. HTML code on this page is well minified. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 60.7 kB or 77% of the original size.
Potential reduce by 110.2 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, Nj Reagent needs image optimization as it can save up to 110.2 kB or 31% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 91.5 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 91.5 kB or 46% of the original size.
Potential reduce by 8.0 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. Nj-reagent.com needs all CSS files to be minified and compressed as it can save up to 8.0 kB or 75% of the original size.
Number of requests can be reduced by 37 (37%)
101
64
The browser has sent 101 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Nj Reagent. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 38 to 1 for JavaScripts and as a result speed up the page load time.
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nj-reagent.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.
nj-reagent.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
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
nj-reagent.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
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 Nj-reagent.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 Nj-reagent.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.
nj-reagent.com
Open Graph description is not detected on the main page of Nj Reagent. 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: