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gzoltar.com screenshot

Report Summary

  • 97

    Performance

    Renders faster than
    94% of other websites

  • 100

    Accessibility

    Visual factors better than
    that of 97% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

gzoltar.com

GZoltar - Automatic Testing & Debugging using Spectrum-based Fault Localization (SFL)

Page Load Speed

404 ms in total

First Response

45 ms

Resources Loaded

289 ms

Page Rendered

70 ms

gzoltar.com screenshot

About Website

Welcome to gzoltar.com homepage info - get ready to check GZoltar best content right away, or after learning these important things about gzoltar.com

GZoltar is a framework for automating the testing and debugging phases of the software development life-cycle. At the moment, the framework is provided as a command line interface, ant task, maven plu...

Visit gzoltar.com

Key Findings

We analyzed Gzoltar.com page load time and found that the first response time was 45 ms and then it took 359 ms to load all DOM resources and completely render a web page. This is an excellent result, as only 5% of websites can load faster.

Performance Metrics

gzoltar.com performance score

97

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.4 s

97/100

10%

LCP (Largest Contentful Paint)

Value1.4 s

100/100

25%

SI (Speed Index)

Value1.4 s

100/100

10%

TBT (Total Blocking Time)

Value170 ms

93/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value3.9 s

89/100

10%

Network Requests Diagram

gzoltar.com

45 ms

gzoltar.com

48 ms

bootstrap.min.css

38 ms

bootstrap-theme.min.css

47 ms

font-awesome.css

44 ms

Our browser made a total of 19 requests to load all elements on the main page. We found that 79% of them (15 requests) were addressed to the original Gzoltar.com, 11% (2 requests) were made to Google-analytics.com and 5% (1 request) were made to Ajax.googleapis.com. The less responsive or slowest element that took the longest time to load (69 ms) belongs to the original domain Gzoltar.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 32.7 kB (18%)

Content Size

181.1 kB

After Optimization

148.4 kB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Gzoltar.com main page is 181.1 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 120.3 kB which makes up the majority of the site volume.

HTML Optimization

-67%

Potential reduce by 3.9 kB

  • Original 5.8 kB
  • After minification 4.8 kB
  • After compression 1.9 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 969 B, which is 17% 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 3.9 kB or 67% of the original size.

Image Optimization

-24%

Potential reduce by 28.8 kB

  • Original 120.3 kB
  • After minification 91.6 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. Obviously, GZoltar needs image optimization as it can save up to 28.8 kB or 24% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-0%

Potential reduce by 50 B

  • Original 54.9 kB
  • After minification 54.9 kB
  • After compression 54.9 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.

Requests Breakdown

Number of requests can be reduced by 7 (44%)

Requests Now

16

After Optimization

9

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 16 CSS, Javascripts, AJAX and image requests in order to completely render the main page of GZoltar. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

gzoltar.com

gzoltar.com

45 ms

gzoltar.com

gzoltar.com

48 ms

bootstrap.min.css

bootstrap.min.css

38 ms

bootstrap-theme.min.css

bootstrap-theme.min.css

47 ms

font-awesome.css

font-awesome.css

44 ms

custom.css

custom.css

53 ms

jquery.min.js

jquery.min.js

19 ms

bootstrap.min.js

bootstrap.min.js

45 ms

custom.js

custom.js

69 ms

analytics.js

analytics.js

44 ms

logo.png

logo.png

55 ms

haslab.png

haslab.png

61 ms

dei.png

dei.png

65 ms

feup.png

feup.png

62 ms

ist.png

ist.png

63 ms

inesc-id.png

inesc-id.png

57 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

55 ms

collect

collect

12 ms

js

js

60 ms

Accessibility Review

gzoltar.com accessibility score

100

Accessibility Issues

Best Practices

gzoltar.com best practices score

67

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

High

Browser errors were logged to the console

SEO Factors

gzoltar.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

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Gzoltar.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 Gzoltar.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

gzoltar.com

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