Report Summary

  • 57

    Performance

    Renders faster than
    74% of other websites

  • 100

    Accessibility

    Visual factors better than
    that of 97% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 100

    SEO

    Google-friendlier than
    95% of websites

vlebooks.com

VLeBooks - Logon

Page Load Speed

2.6 sec in total

First Response

335 ms

Resources Loaded

2.1 sec

Page Rendered

164 ms

vlebooks.com screenshot

About Website

Welcome to vlebooks.com homepage info - get ready to check V Le Books best content for United Kingdom right away, or after learning these important things about vlebooks.com

The VleBooks online learning platform provides ebooks to Schools, Universities, and Libraries.

Visit vlebooks.com

Key Findings

We analyzed Vlebooks.com page load time and found that the first response time was 335 ms and then it took 2.2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.

Performance Metrics

vlebooks.com performance score

57

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.7 s

12/100

10%

LCP (Largest Contentful Paint)

Value4.8 s

30/100

25%

SI (Speed Index)

Value4.9 s

66/100

10%

TBT (Total Blocking Time)

Value410 ms

66/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value5.7 s

68/100

10%

Network Requests Diagram

vlebooks.com

335 ms

www.vlebooks.com

602 ms

vleweb

98 ms

95 ms

thirdparty

443 ms

Our browser made a total of 23 requests to load all elements on the main page. We found that 96% of them (22 requests) were addressed to the original Vlebooks.com, 4% (1 request) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (602 ms) belongs to the original domain Vlebooks.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 8.1 kB (18%)

Content Size

45.8 kB

After Optimization

37.7 kB

In fact, the total size of Vlebooks.com main page is 45.8 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. 15% of websites need less resources to load. Images take 37.5 kB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 6.1 kB

  • Original 8.1 kB
  • After minification 6.0 kB
  • After compression 2.0 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. This page needs HTML code to be minified as it can gain 2.1 kB, which is 26% 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 6.1 kB or 75% of the original size.

Image Optimization

-5%

Potential reduce by 1.9 kB

  • Original 37.5 kB
  • After minification 35.5 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. V Le Books images are well optimized though.

CSS Optimization

-28%

Potential reduce by 61 B

  • Original 221 B
  • After minification 199 B
  • After compression 160 B

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. Vlebooks.com needs all CSS files to be minified and compressed as it can save up to 61 B or 28% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

19

After Optimization

19

The browser has sent 19 CSS, Javascripts, AJAX and image requests in order to completely render the main page of V Le Books. According to our analytics all requests are already optimized.

Accessibility Review

vlebooks.com accessibility score

100

Accessibility Issues

Best Practices

vlebooks.com best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

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

SEO Factors

vlebooks.com SEO score

100

Search Engine Optimization Advices

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

    EN

  • Language Claimed

    N/A

  • Encoding

    N/A

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

Open Graph description is not detected on the main page of V Le Books. 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: