Report Summary

  • 63

    Performance

    Renders faster than
    77% of other websites

  • 85

    Accessibility

    Visual factors better than
    that of 60% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 62

    SEO

    Google-friendlier than
    22% of websites

zzombies.com

Zombie Games. Play Zombies vs Plants free // zZombies.com

Page Load Speed

20.6 sec in total

First Response

185 ms

Resources Loaded

20.2 sec

Page Rendered

222 ms

zzombies.com screenshot

About Website

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

Zombie games offer you the most popular kinds of entertainment that you might enjoy: shooters, car racing, plants vs zombies and wonders. Play zombie online and wipe out as more dead men as possible.

Visit zzombies.com

Key Findings

We analyzed Zzombies.com page load time and found that the first response time was 185 ms and then it took 20.4 sec 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. Unfortunately, there was 1 request timeout, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

zzombies.com performance score

63

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value0.8 s

100/100

10%

LCP (Largest Contentful Paint)

Value4.1 s

46/100

25%

SI (Speed Index)

Value3.1 s

92/100

10%

TBT (Total Blocking Time)

Value590 ms

50/100

30%

CLS (Cumulative Layout Shift)

Value0.006

100/100

15%

TTI (Time to Interactive)

Value11.4 s

19/100

10%

Network Requests Diagram

zzombies.com

185 ms

styles.css

7 ms

addthis_widget.js

13 ms

zombie-logo.jpg

50 ms

cat-main-small.jpg

49 ms

Our browser made a total of 51 requests to load all elements on the main page. We found that 76% of them (39 requests) were addressed to the original Zzombies.com, 10% (5 requests) were made to S7.addthis.com and 2% (1 request) were made to S51.sitemeter.com. The less responsive or slowest element that took the longest time to load (19.8 sec) relates to the external source S51.sitemeter.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 593.7 kB (47%)

Content Size

1.3 MB

After Optimization

665.0 kB

In fact, the total size of Zzombies.com main page is 1.3 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 60% of websites need less resources to load. Javascripts take 681.3 kB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 119.1 kB

  • Original 152.2 kB
  • After minification 150.7 kB
  • After compression 33.1 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 119.1 kB or 78% of the original size.

Image Optimization

-0%

Potential reduce by 142 B

  • Original 425.1 kB
  • After minification 425.0 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. ZZombies images are well optimized though.

JavaScript Optimization

-70%

Potential reduce by 474.4 kB

  • Original 681.3 kB
  • After minification 681.3 kB
  • After compression 206.9 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 474.4 kB or 70% of the original size.

Requests Breakdown

Number of requests can be reduced by 7 (14%)

Requests Now

49

After Optimization

42

The browser has sent 49 CSS, Javascripts, AJAX and image requests in order to completely render the main page of ZZombies. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

zzombies.com accessibility score

85

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

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

High

Image elements do not have [alt] attributes

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

zzombies.com best practices score

67

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

High

Browser errors were logged to the console

SEO Factors

zzombies.com SEO score

62

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

Links are not crawlable

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Image elements do not have [alt] attributes

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Zzombies.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 Zzombies.com main page’s claimed encoding is iso-8859-1. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

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