Tools & Wizards About Us

Report Summary

  • 75

    Performance

    Renders faster than
    83% of other websites

  • 100

    Accessibility

    Visual factors better than
    that of 97% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 90

    SEO

    Google-friendlier than
    68% of websites

lopezbooks.com

Home | Ken Lopez Bookseller

Page Load Speed

823 ms in total

First Response

141 ms

Resources Loaded

583 ms

Page Rendered

99 ms

About Website

Click here to check amazing Lopez Books content for United States. Otherwise, check out these important facts you probably never knew about lopezbooks.com

We deal in rare books, specializing in modern literary first editions.

Visit lopezbooks.com

Key Findings

We analyzed Lopezbooks.com page load time and found that the first response time was 141 ms and then it took 682 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 15% of websites can load faster.

Performance Metrics

lopezbooks.com performance score

75

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.3 s

98/100

10%

LCP (Largest Contentful Paint)

Value4.3 s

41/100

25%

SI (Speed Index)

Value2.2 s

99/100

10%

TBT (Total Blocking Time)

Value30 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.326

35/100

15%

TTI (Time to Interactive)

Value2.9 s

96/100

10%

Network Requests Diagram

lopezbooks.com

141 ms

lopezbooks.com

168 ms

style.css

31 ms

home.css

61 ms

jquery.min.js

118 ms

Our browser made a total of 33 requests to load all elements on the main page. We found that all of those requests were addressed to Lopezbooks.com and no external sources were called. The less responsive or slowest element that took the longest time to load (262 ms) belongs to the original domain Lopezbooks.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 12.2 kB (1%)

Content Size

849.4 kB

After Optimization

837.2 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Lopezbooks.com main page is 849.4 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. 35% of websites need less resources to load. Images take 786.3 kB which makes up the majority of the site volume.

HTML Optimization

-71%

Potential reduce by 8.1 kB

  • Original 11.5 kB
  • After minification 11.2 kB
  • After compression 3.3 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 8.1 kB or 71% of the original size.

Image Optimization

-0%

Potential reduce by 3.1 kB

  • Original 786.3 kB
  • After minification 783.2 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. Lopez Books images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 90 B

  • Original 44.4 kB
  • After minification 44.4 kB
  • After compression 44.3 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. This website has mostly compressed JavaScripts.

CSS Optimization

-12%

Potential reduce by 867 B

  • Original 7.2 kB
  • After minification 7.2 kB
  • After compression 6.3 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. Lopezbooks.com needs all CSS files to be minified and compressed as it can save up to 867 B or 12% of the original size.

Requests Breakdown

Number of requests can be reduced by 3 (10%)

Requests Now

31

After Optimization

28

  • Images
  • JavaScript
  • CSS

The browser has sent 31 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Lopez Books. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

lopezbooks.com accessibility score

100

Accessibility Issues

Best Practices

lopezbooks.com best practices score

83

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

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

lopezbooks.com SEO score

90

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 doesn't use legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Lopezbooks.com can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Lopezbooks.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

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