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21rv.com screenshot

23

Performance

Renders faster than
42% of other websites
91

Accessibility

Visual factors better than
that of 77% of websites
83

Best Practices

More advanced features
available than in
56% of websites
92

SEO

Google-friendlier than
75% of websites

First Response

12 sec

Resources Loaded

77.4 sec

Page Rendered

945 ms

21rv.com screenshot

About Website

Welcome to 21rv.com homepage info - get ready to check 21 Rv best content for China right away, or after learning these important things about 21rv.com

21世纪房车网,国内专业的房车露营平台,为用户提供最新房车车型,房车报价,房车图片,房车新闻资讯,房车评测导购,二手房车,房车营地,房车租赁等服务，致力于打造房车露营权威意见领袖平台和便捷的房车露营资讯网站了解房车资讯,寻找房车车型,房车露营攻略,买二手房车,都在21世纪房车.专业房车信息服务平台。

Visit 21rv.com

Key Findings

We analyzed 21rv.com page load time and found that the first response time was 12 sec and then it took 78.3 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 58 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

name

value

score

weighting

FCP (First Contentful Paint)

Value9.1 s

0/100

10%

LCP (Largest Contentful Paint)

Value25.7 s

0/100

25%

SI (Speed Index)

Value21.2 s

0/100

10%

TBT (Total Blocking Time)

Value1,060 ms

25/100

30%

CLS (Cumulative Layout Shift)

Value0.004

100/100

15%

TTI (Time to Interactive)

Value20.1 s

2/100

10%

21rv.com

12035 ms

bootstrap.min.css

6632 ms

index.css

4716 ms

style.css

1436 ms

index_01.css

4055 ms

Our browser made a total of 186 requests to load all elements on the main page. We found that 89% of them (165 requests) were addressed to the original 21rv.com, 7% (13 requests) were made to Bdimg.share.baidu.com and 2% (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 21rv.com.

Content Size

8.0 MB

After Optimization

7.0 MB

In fact, the total size of 21rv.com main page is 8.0 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. 50% of websites need less resources to load. Images take 7.1 MB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 196.3 kB

Original 232.1 kB
After minification 176.8 kB
After compression 35.8 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 55.3 kB, which is 24% 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 196.3 kB or 85% of the original size.

Image Optimization

-5%

Potential reduce by 354.6 kB

Original 7.1 MB
After minification 6.8 MB

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. 21 Rv images are well optimized though.

JavaScript Optimization

-64%

Potential reduce by 266.7 kB

Original 415.9 kB
After minification 371.3 kB
After compression 149.2 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 266.7 kB or 64% of the original size.

CSS Optimization

-83%

Potential reduce by 177.1 kB

Original 213.5 kB
After minification 202.2 kB
After compression 36.4 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. 21rv.com needs all CSS files to be minified and compressed as it can save up to 177.1 kB or 83% of the original size.

Requests Now

127

After Optimization

87

The browser has sent 127 CSS, Javascripts, AJAX and image requests in order to completely render the main page of 21 Rv. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 30 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

These are opportunities to improve the legibility of your content.

High

Background and foreground colors do not have a sufficient contrast ratio.

These items highlight common accessibility best practices.

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Areas of Improvement

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

Search Engine Optimization Advices

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/).

High

Document doesn't use legible font sizes

Language and Encoding

Language Detected

ZH
Language Claimed

N/A
Encoding

UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise 21rv.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 21rv.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.

Social Sharing Optimization

21rv.com

Open Graph description is not detected on the main page of 21 Rv. 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: