Report Summary

  • 32

    Performance

    Renders faster than
    52% of other websites

  • 70

    Accessibility

    Visual factors better than
    that of 36% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 65

    SEO

    Google-friendlier than
    25% of websites

zubalbooks.com

Zubal Books

Page Load Speed

2.9 sec in total

First Response

230 ms

Resources Loaded

2.4 sec

Page Rendered

302 ms

zubalbooks.com screenshot

About Website

Welcome to zubalbooks.com homepage info - get ready to check Zubal Books best content for United States right away, or after learning these important things about zubalbooks.com

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Key Findings

We analyzed Zubalbooks.com page load time and found that the first response time was 230 ms and then it took 2.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Performance Metrics

zubalbooks.com performance score

32

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.7 s

60/100

10%

LCP (Largest Contentful Paint)

Value5.8 s

15/100

25%

SI (Speed Index)

Value5.2 s

59/100

10%

TBT (Total Blocking Time)

Value1,380 ms

16/100

30%

CLS (Cumulative Layout Shift)

Value0.197

63/100

15%

TTI (Time to Interactive)

Value11.9 s

17/100

10%

Network Requests Diagram

zubalbooks.com

230 ms

zub.css

631 ms

jquery.bxslider.css

158 ms

styles.css

145 ms

html5shiv.js

282 ms

Our browser made a total of 42 requests to load all elements on the main page. We found that 64% of them (27 requests) were addressed to the original Zubalbooks.com, 7% (3 requests) were made to Google-analytics.com and 7% (3 requests) were made to S.ytimg.com. The less responsive or slowest element that took the longest time to load (2 sec) belongs to the original domain Zubalbooks.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 475.3 kB (58%)

Content Size

826.5 kB

After Optimization

351.1 kB

In fact, the total size of Zubalbooks.com main page is 826.5 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. Javascripts take 354.5 kB which makes up the majority of the site volume.

HTML Optimization

-73%

Potential reduce by 12.2 kB

  • Original 16.7 kB
  • After minification 14.4 kB
  • After compression 4.5 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 2.2 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 12.2 kB or 73% of the original size.

Image Optimization

-4%

Potential reduce by 6.6 kB

  • Original 173.3 kB
  • After minification 166.7 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. Zubal Books images are well optimized though.

JavaScript Optimization

-63%

Potential reduce by 222.1 kB

  • Original 354.5 kB
  • After minification 347.7 kB
  • After compression 132.4 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 222.1 kB or 63% of the original size.

CSS Optimization

-83%

Potential reduce by 234.4 kB

  • Original 281.9 kB
  • After minification 267.3 kB
  • After compression 47.5 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. Zubalbooks.com needs all CSS files to be minified and compressed as it can save up to 234.4 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 18 (47%)

Requests Now

38

After Optimization

20

The browser has sent 38 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Zubal 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 10 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

zubalbooks.com accessibility score

70

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

High

Form elements do not have associated labels

High

Links do not have a discernible name

Best Practices

zubalbooks.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

zubalbooks.com SEO score

65

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

Links do not have descriptive text

High

Image elements do not have [alt] attributes

Crawling and Indexing

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

Impact

Issue

High

Links are not crawlable

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

High

Tap targets are not sized appropriately

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 Zubalbooks.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 Zubalbooks.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 Zubal 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: