Report Summary

  • 83

    Performance

    Renders faster than
    88% of other websites

  • 73

    Accessibility

    Visual factors better than
    that of 39% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 58

    SEO

    Google-friendlier than
    20% of websites

cvlibs.net

Andreas Geiger

Page Load Speed

2.8 sec in total

First Response

886 ms

Resources Loaded

1.5 sec

Page Rendered

379 ms

cvlibs.net screenshot

About Website

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

Visit cvlibs.net

Key Findings

We analyzed Cvlibs.net page load time and found that the first response time was 886 ms and then it took 1.9 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 35% of websites can load faster.

Performance Metrics

cvlibs.net performance score

83

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.3 s

73/100

10%

LCP (Largest Contentful Paint)

Value3.4 s

67/100

25%

SI (Speed Index)

Value3.2 s

92/100

10%

TBT (Total Blocking Time)

Value170 ms

93/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value5.4 s

71/100

10%

Network Requests Diagram

cvlibs.net

886 ms

style.css

326 ms

andreas_portrait_08.jpg

401 ms

i.gif

10 ms

s10.g

22 ms

Our browser made a total of 10 requests to load all elements on the main page. We found that 80% of them (8 requests) were addressed to the original Cvlibs.net, 10% (1 request) were made to T1.extreme-dm.com and 10% (1 request) were made to E1.extreme-dm.com. The less responsive or slowest element that took the longest time to load (886 ms) belongs to the original domain Cvlibs.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 16.9 kB (13%)

Content Size

125.4 kB

After Optimization

108.5 kB

In fact, the total size of Cvlibs.net main page is 125.4 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. Only 5% of websites need less resources to load. Images take 103.4 kB which makes up the majority of the site volume.

HTML Optimization

-67%

Potential reduce by 8.5 kB

  • Original 12.8 kB
  • After minification 12.1 kB
  • After compression 4.3 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. 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 8.5 kB or 67% of the original size.

Image Optimization

-1%

Potential reduce by 1.1 kB

  • Original 103.4 kB
  • After minification 102.3 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. Cvlibs images are well optimized though.

CSS Optimization

-79%

Potential reduce by 7.3 kB

  • Original 9.2 kB
  • After minification 6.4 kB
  • After compression 1.9 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. Cvlibs.net needs all CSS files to be minified and compressed as it can save up to 7.3 kB or 79% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

8

After Optimization

8

The browser has sent 8 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Cvlibs. According to our analytics all requests are already optimized.

Accessibility Review

cvlibs.net accessibility score

73

Accessibility Issues

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

Best Practices

cvlibs.net best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

High

Browser errors were logged to the console

SEO Factors

cvlibs.net SEO score

58

Search Engine Optimization Advices

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

    EN

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Cvlibs.net can be misinterpreted by Google and other search engines. Our service has detected that English 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 Cvlibs.net 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

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