45.2 sec in total
1.3 sec
43.5 sec
405 ms
Welcome to rbook.antpedia.com homepage info - get ready to check Rbook Antpedia best content for China right away, or after learning these important things about rbook.antpedia.com
分析测试行业耗材汇总, 试剂谱
Visit rbook.antpedia.comWe analyzed Rbook.antpedia.com page load time and found that the first response time was 1.3 sec and then it took 43.9 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 was 1 request timeout, which can generally increase the web page load time, as the browser stays idle while waiting for website response.
rbook.antpedia.com performance score
name
value
score
weighting
Value3.0 s
50/100
10%
Value4.5 s
36/100
25%
Value4.9 s
65/100
10%
Value90 ms
99/100
30%
Value0
100/100
15%
Value5.3 s
72/100
10%
1337 ms
2899 ms
2548 ms
917 ms
20000 ms
Our browser made a total of 75 requests to load all elements on the main page. We found that 25% of them (19 requests) were addressed to the original Rbook.antpedia.com, 41% (31 requests) were made to Antpedia.com and 15% (11 requests) were made to I2.antpedia.com. The less responsive or slowest element that took the longest time to load (20 sec) belongs to the original domain Rbook.antpedia.com.
Page size can be reduced by 420.8 kB (33%)
1.3 MB
869.6 kB
In fact, the total size of Rbook.antpedia.com main page is 1.3 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. 25% of websites need less resources to load. Images take 1.1 MB which makes up the majority of the site volume.
Potential reduce by 42.0 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 42.0 kB or 79% of the original size.
Potential reduce by 268.7 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, Rbook Antpedia needs image optimization as it can save up to 268.7 kB or 25% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 59.3 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 59.3 kB or 54% of the original size.
Potential reduce by 50.9 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. Rbook.antpedia.com needs all CSS files to be minified and compressed as it can save up to 50.9 kB or 82% of the original size.
We found no issues to fix!
54
54
The browser has sent 54 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Rbook Antpedia. According to our analytics all requests are already optimized.
rbook.antpedia.com
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rbook.antpedia.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
Form elements do not have associated labels
Links do not have a discernible name
Tables and lists
These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.
Impact
Issue
Lists do not contain only <li> elements and script supporting elements (<script> and <template>).
rbook.antpedia.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
Browser errors were logged to the console
rbook.antpedia.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
ZH
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Rbook.antpedia.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 Rbook.antpedia.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.
rbook.antpedia.com
Open Graph description is not detected on the main page of Rbook Antpedia. 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: