Tools & Wizards About Us
flvcd.com screenshot

Report Summary

  • 85

    Performance

    Renders faster than
    89% of other websites

  • 46

    Accessibility

    Visual factors better than
    that of 19% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 62

    SEO

    Google-friendlier than
    22% of websites

flvcd.com

FLVCD - 硕鼠官网|在线视频下载

Page Load Speed

25.6 sec in total

First Response

1.7 sec

Resources Loaded

23.6 sec

Page Rendered

272 ms

flvcd.com screenshot

About Website

Visit flvcd.com now to see the best up-to-date FLVCD content for China and also check out these interesting facts you probably never knew about flvcd.com

硕鼠官网：最稳定的在线视频下载平台,提供在线视频下载服务,持续更新。支持西瓜,B站,抖音,央视,新浪,搜狐等网站的视频下载,并提供批量下载服务

Visit flvcd.com

Key Findings

We analyzed Flvcd.com page load time and found that the first response time was 1.7 sec and then it took 23.9 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.

Performance Metrics

flvcd.com performance score

85

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.3 s

75/100

10%

LCP (Largest Contentful Paint)

Value3.3 s

69/100

25%

SI (Speed Index)

Value5.5 s

54/100

10%

TBT (Total Blocking Time)

Value90 ms

99/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value2.5 s

98/100

10%

Network Requests Diagram

flvcd.com

1685 ms

www.flvcd.com

1372 ms

base.css

447 ms

flvcd.js

827 ms

user.php

1168 ms

Our browser made a total of 53 requests to load all elements on the main page. We found that 81% of them (43 requests) were addressed to the original Flvcd.com, 9% (5 requests) were made to Bdimg.share.baidu.com and 2% (1 request) were made to Passport.flvcd.com. The less responsive or slowest element that took the longest time to load (19.7 sec) belongs to the original domain Flvcd.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 94.0 kB (61%)

Content Size

154.3 kB

After Optimization

60.3 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Flvcd.com main page is 154.3 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. 20% of websites need less resources to load. Javascripts take 53.4 kB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 33.0 kB

  • Original 40.3 kB
  • After minification 35.0 kB
  • After compression 7.3 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 5.3 kB, which is 13% 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 33.0 kB or 82% of the original size.

Image Optimization

-26%

Potential reduce by 9.9 kB

  • Original 38.4 kB
  • After minification 28.6 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. Obviously, FLVCD needs image optimization as it can save up to 9.9 kB or 26% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-63%

Potential reduce by 33.8 kB

  • Original 53.4 kB
  • After minification 53.4 kB
  • After compression 19.6 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 33.8 kB or 63% of the original size.

CSS Optimization

-78%

Potential reduce by 17.3 kB

  • Original 22.2 kB
  • After minification 18.2 kB
  • After compression 4.9 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. Flvcd.com needs all CSS files to be minified and compressed as it can save up to 17.3 kB or 78% of the original size.

Requests Breakdown

Number of requests can be reduced by 33 (66%)

Requests Now

50

After Optimization

17

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 50 CSS, Javascripts, AJAX and image requests in order to completely render the main page of FLVCD. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

flvcd.com

flvcd.com

1685 ms

www.flvcd.com

www.flvcd.com

1372 ms

base.css

base.css

447 ms

flvcd.js

flvcd.js

827 ms

user.php

user.php

1168 ms

top_nav.js

top_nav.js

838 ms

blog.js

blog.js

895 ms

copyright.js

copyright.js

1046 ms

stat.php

stat.php

1396 ms

flvcd_logo.jpg

flvcd_logo.jpg

1984 ms

b30.gif

b30.gif

398 ms

049.jpg

049.jpg

3644 ms

web-sm.gif

web-sm.gif

478 ms

251922188_2c1e295963.jpg

251922188_2c1e295963.jpg

1719 ms

weibo-mini.png

weibo-mini.png

775 ms

support.png

support.png

1296 ms

youku.png

youku.png

2462 ms

tudou.png

tudou.png

1170 ms

sohu.png

sohu.png

1549 ms

letv.png

letv.png

1692 ms

ku6.png

ku6.png

1913 ms

56.png

56.png

3275 ms

xunlei.png

xunlei.png

3803 ms

pptv.png

pptv.png

3242 ms

pps.png

pps.png

2353 ms

sina.png

sina.png

3892 ms

163.png

163.png

5972 ms

joy.png

joy.png

4393 ms

tangdou.png

tangdou.png

4807 ms

cntv.png

cntv.png

4222 ms

cctv.png

cctv.png

4362 ms

m1905.png

m1905.png

4351 ms

ifeng.png

ifeng.png

4806 ms

jstv.png

jstv.png

5766 ms

mangguo.png

mangguo.png

6222 ms

iqilu.png

iqilu.png

6260 ms

umiwi.png

umiwi.png

5284 ms

mtime.png

mtime.png

10935 ms

boosj.png

boosj.png

8410 ms

61.png

61.png

6214 ms

email.jpg

email.jpg

19700 ms

bg_mid.png

bg_mid.png

6323 ms

bg_btn.png

bg_btn.png

11603 ms

bg.gif

bg.gif

9041 ms

latest.gif

latest.gif

6715 ms

stat.htm

stat.htm

251 ms

core.php

core.php

1262 ms

pic.gif

pic.gif

768 ms

shell_v2.js

shell_v2.js

1903 ms

logger.js

logger.js

460 ms

bds_s_v2.js

bds_s_v2.js

4175 ms

bdsstyle.css

bdsstyle.css

392 ms

r8.gif

r8.gif

364 ms

Accessibility Review

flvcd.com accessibility score

46

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

Form elements do not have associated labels

High

Links do not have a discernible name

Best Practices

flvcd.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

SEO Factors

flvcd.com SEO score

62

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

Page is blocked from indexing

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

Language and Encoding

  • Language Detected

    ZH

  • Language Claimed

    N/A

  • Encoding

    GB2312

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Flvcd.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 Flvcd.com main page’s claimed encoding is gb2312. 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

flvcd.com

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