Tools & Wizards About Us
bbs.carcav.com screenshot

Report Summary

  • 69

    Performance

    Renders faster than
    81% of other websites

  • 51

    Accessibility

    Visual factors better than
    that of 21% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 77

    SEO

    Google-friendlier than
    36% of websites

bbs.carcav.com

汽车影音网论坛|汽车音响改装升级|汽车导航论坛|汽车功放喇叭|汽车隔音 - Powered by phpwind

Page Load Speed

66 sec in total

First Response

16.9 sec

Resources Loaded

48.6 sec

Page Rendered

413 ms

bbs.carcav.com screenshot

About Website

Click here to check amazing Bbs Carcav content for China. Otherwise, check out these important facts you probably never knew about bbs.carcav.com

中国汽车影音论坛是中国汽车音响改装、汽车导航行业的权威技术交流论坛，多年来吸引了众多店家厂家技术人员加入，为您提供最全面、最专业的汽车影音改装资讯、评论等，欢迎爱好汽车影音的您加入。

Visit bbs.carcav.com

Key Findings

We analyzed Bbs.carcav.com page load time and found that the first response time was 16.9 sec and then it took 49.1 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 25 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

bbs.carcav.com performance score

69

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.4 s

97/100

10%

LCP (Largest Contentful Paint)

Value2.6 s

88/100

25%

SI (Speed Index)

Value6.9 s

33/100

10%

TBT (Total Blocking Time)

Value520 ms

56/100

30%

CLS (Cumulative Layout Shift)

Value0.245

51/100

15%

TTI (Time to Interactive)

Value3.1 s

95/100

10%

Network Requests Diagram

bbs.carcav.com

16932 ms

pw_core.css

12270 ms

core.js

11120 ms

pw_ajax.js

11038 ms

ddsliderplayer.js

1244 ms

Our browser made a total of 57 requests to load all elements on the main page. We found that 88% of them (50 requests) were addressed to the original Bbs.carcav.com, 7% (4 requests) were made to Carcav.com and 4% (2 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 Bbs.carcav.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 103.6 kB (63%)

Content Size

163.8 kB

After Optimization

60.2 kB

  • HTML
  • Images

In fact, the total size of Bbs.carcav.com main page is 163.8 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. HTML takes 136.2 kB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 103.6 kB

  • Original 136.2 kB
  • After minification 135.9 kB
  • After compression 32.6 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. 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 103.6 kB or 76% of the original size.

Image Optimization

-0%

Potential reduce by 42 B

  • Original 27.7 kB
  • After minification 27.6 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. Bbs Carcav images are well optimized though.

Requests Breakdown

We found no issues to fix!

Requests Now

30

After Optimization

30

  • AJAX
  • Images
  • JavaScript

The browser has sent 30 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Bbs Carcav. According to our analytics all requests are already optimized.

Network Requests Diagram

bbs.carcav.com

bbs.carcav.com

16932 ms

pw_core.css

pw_core.css

12270 ms

core.js

core.js

11120 ms

pw_ajax.js

pw_ajax.js

11038 ms

ddsliderplayer.js

ddsliderplayer.js

1244 ms

Deploy.js

Deploy.js

443 ms

global.js

global.js

6164 ms

adminview.js

adminview.js

8623 ms

app_global.js

app_global.js

2927 ms

zh_cn.js

zh_cn.js

1251 ms

CHSgif2015011201.gif

CHSgif2015011201.gif

2838 ms

logo.png

logo.png

17888 ms

button.png

button.png

1420 ms

hybbsad46060.jpg

hybbsad46060.jpg

4003 ms

yinhuangad.gif

yinhuangad.gif

10377 ms

leibeiqinadbbs.gif

leibeiqinadbbs.gif

5730 ms

LOGO-mfhk.jpg

LOGO-mfhk.jpg

19555 ms

3f12848915.jpg

3f12848915.jpg

7995 ms

be40f0285c.jpg

be40f0285c.jpg

11621 ms

d1158a26a6.jpg

d1158a26a6.jpg

14071 ms

d9d622f6b9.jpg

d9d622f6b9.jpg

14881 ms

e3d3fc879c.jpg

e3d3fc879c.jpg

19553 ms

b3e8a28755.jpg

b3e8a28755.jpg

12520 ms

3.jpg

3.jpg

15412 ms

none.gif

none.gif

19259 ms

26113.jpg

26113.jpg

18260 ms

21106.jpg

21106.jpg

19577 ms

9285f12ed3.jpg

9285f12ed3.jpg

19577 ms

ea0f8a8c4e.jpg

ea0f8a8c4e.jpg

18689 ms

21a2e26eb9.jpg

21a2e26eb9.jpg

19577 ms

77b0e24da0.jpg

77b0e24da0.jpg

19577 ms

f03020a187.jpg

f03020a187.jpg

19578 ms

e926dcbc60.jpg

e926dcbc60.jpg

19578 ms

f14764636f.jpg

f14764636f.jpg

19578 ms

b8a93943c2.png

b8a93943c2.png

19621 ms

8eba3a2da4.jpg

8eba3a2da4.jpg

19620 ms

979f58fe27.png

979f58fe27.png

19620 ms

55b2ad08ab.jpg

55b2ad08ab.jpg

19621 ms

c76b6bf1a9.jpg

c76b6bf1a9.jpg

19620 ms

cate_fold.gif

cate_fold.gif

19620 ms

wait_in_180_60.jpg

wait_in_180_60.jpg

9749 ms

hrad257.jpg

hrad257.jpg

5230 ms

gfwx.jpg

gfwx.jpg

6152 ms

navA.png

navA.png

19611 ms

searchA.png

searchA.png

19603 ms

down.png

down.png

20501 ms

search_btn.png

search_btn.png

20501 ms

fh_bg.png

fh_bg.png

20499 ms

h.png

h.png

20478 ms

h.js

h.js

581 ms

21.gif

21.gif

1142 ms

hm.gif

hm.gif

268 ms

002.gif

002.gif

20114 ms

colon.png

colon.png

20491 ms

old.gif

old.gif

19531 ms

lock.gif

lock.gif

19802 ms

001.gif

001.gif

16386 ms

Accessibility Review

bbs.carcav.com accessibility score

51

Accessibility Issues

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

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

High

<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

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

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

Best Practices

bbs.carcav.com best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

bbs.carcav.com SEO score

77

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

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

High

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

High

Document uses legible font sizes

Language and Encoding

  • Language Detected

    ZH

  • Language Claimed

    N/A

  • Encoding

    GBK

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Bbs.carcav.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 Bbs.carcav.com main page’s claimed encoding is gbk. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

bbs.carcav.com

Open Graph description is not detected on the main page of Bbs Carcav. 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: