Tools & Wizards About Us

Report Summary

  • 95

    Performance

    Renders faster than
    93% of other websites

  • 51

    Accessibility

    Visual factors better than
    that of 21% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 96

    SEO

    Google-friendlier than
    90% of websites

codezebra.com

Code Zebra - Symbols and Blocks for CAD, Vector and Image Graphics

Page Load Speed

1.2 sec in total

First Response

192 ms

Resources Loaded

896 ms

Page Rendered

137 ms

About Website

Visit codezebra.com now to see the best up-to-date Code Zebra content and also check out these interesting facts you probably never knew about codezebra.com

The home page of Code Zebra, Inc., publisher of professional graphic symbols for architects, web designers, graphic designers, engineers, scientists and illustrators.

Visit codezebra.com

Key Findings

We analyzed Codezebra.com page load time and found that the first response time was 192 ms and then it took 1 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 20% of websites can load faster.

Performance Metrics

codezebra.com performance score

95

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.8 s

90/100

10%

LCP (Largest Contentful Paint)

Value2.7 s

86/100

25%

SI (Speed Index)

Value2.3 s

99/100

10%

TBT (Total Blocking Time)

Value20 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.053

98/100

15%

TTI (Time to Interactive)

Value2.7 s

97/100

10%

Network Requests Diagram

codezebra.com

192 ms

index.php

314 ms

czsite.css

61 ms

style.css

125 ms

Navburger.svg

167 ms

Our browser made a total of 20 requests to load all elements on the main page. We found that 95% of them (19 requests) were addressed to the original Codezebra.com, 5% (1 request) were made to Code.jquery.com. The less responsive or slowest element that took the longest time to load (314 ms) belongs to the original domain Codezebra.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 29.1 kB (52%)

Content Size

55.8 kB

After Optimization

26.8 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Codezebra.com main page is 55.8 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. 20% of websites need less resources to load. HTML takes 34.3 kB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 26.6 kB

  • Original 34.3 kB
  • After minification 30.5 kB
  • After compression 7.6 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 3.8 kB, which is 11% 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 26.6 kB or 78% of the original size.

Image Optimization

-2%

Potential reduce by 221 B

  • Original 11.4 kB
  • After minification 11.2 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. Code Zebra images are well optimized though.

JavaScript Optimization

-32%

Potential reduce by 423 B

  • Original 1.3 kB
  • After minification 1.3 kB
  • After compression 908 B

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 423 B or 32% of the original size.

CSS Optimization

-20%

Potential reduce by 1.8 kB

  • Original 8.8 kB
  • After minification 8.8 kB
  • After compression 7.0 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. Codezebra.com needs all CSS files to be minified and compressed as it can save up to 1.8 kB or 20% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

16

After Optimization

16

  • Images
  • JavaScript
  • CSS

The browser has sent 16 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Code Zebra. According to our analytics all requests are already optimized.

Network Requests Diagram

Accessibility Review

codezebra.com accessibility score

51

Accessibility Issues

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

Buttons do not have an accessible name

High

Form elements do not have associated labels

High

Links do not have a discernible name

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

[id] attributes on active, focusable elements are not unique

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

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

codezebra.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

codezebra.com SEO score

96

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

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 Codezebra.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 Codezebra.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 Code Zebra. 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: