Report Summary

  • 15

    Performance

    Renders faster than
    34% of other websites

  • 89

    Accessibility

    Visual factors better than
    that of 78% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    47% of websites

  • 92

    SEO

    Google-friendlier than
    79% of websites

javabook.co.il

המדריך הישראלי ל-Java | לימוד שפת התיכנות Java בעברית ובחינם!

Page Load Speed

223 ms in total

First Response

56 ms

Resources Loaded

59 ms

Page Rendered

108 ms

javabook.co.il screenshot

About Website

Welcome to javabook.co.il homepage info - get ready to check Java Book best content for Israel right away, or after learning these important things about javabook.co.il

Visit javabook.co.il

Key Findings

We analyzed Javabook.co.il page load time and found that the first response time was 56 ms and then it took 167 ms 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.

Performance Metrics

javabook.co.il performance score

15

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value8.9 s

0/100

10%

LCP (Largest Contentful Paint)

Value13.1 s

0/100

25%

SI (Speed Index)

Value13.7 s

2/100

10%

TBT (Total Blocking Time)

Value12,290 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value33.3 s

0/100

10%

Network Requests Diagram

javabook.co.il

56 ms

Our browser made a total of 1 request to load all elements on the main page. We found that all of those requests were addressed to Javabook.co.il and no external sources were called. The less responsive or slowest element that took the longest time to load (56 ms) belongs to the original domain Javabook.co.il.

Page Optimization Overview & Recommendations

Page size can be reduced by 10 B (9%)

Content Size

107 B

After Optimization

97 B

In fact, the total size of Javabook.co.il main page is 107 B. This result falls within the top 5000 of lightweight and thus fast loading web pages. Only a small number of websites need less resources to load. HTML takes 107 B which makes up the majority of the site volume.

HTML Optimization

-9%

Potential reduce by 10 B

  • Original 107 B
  • After minification 107 B
  • After compression 97 B

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. This web page is already compressed.

Requests Breakdown

We found no issues to fix!

Requests Now

0

After Optimization

0

Besides the initial HTML request, no CSS, Javascripts, AJAX or image files were requested in the course of web page rendering.

Accessibility Review

javabook.co.il accessibility score

89

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.

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

<frame> or <iframe> elements do not have a title

High

Links do not have a discernible name

Best Practices

javabook.co.il 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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

javabook.co.il SEO score

92

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

    IW

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Javabook.co.il can be misinterpreted by Google and other search engines. Our service has detected that Hebrew 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 Javabook.co.il 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 Java Book. 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: