Tools & Wizards About Us
crimezzz.net screenshot

Report Summary

  • 68

    Performance

    Renders faster than
    80% of other websites

  • 50

    Accessibility

    Visual factors better than
    that of 21% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 62

    SEO

    Google-friendlier than
    23% of websites

crimezzz.net

serial killers true crime library * serial killer news * history of forensic science * list of serial killers * serial murder * female serial killers ...

Page Load Speed

1.5 sec in total

First Response

348 ms

Resources Loaded

890 ms

Page Rendered

214 ms

crimezzz.net screenshot

About Website

Welcome to crimezzz.net homepage info - get ready to check Crime Zzz best content for United States right away, or after learning these important things about crimezzz.net

serial killer true crime library lists more than 2,000 serial killers from more than 70 countries featuring profiling, serial murder, serial killers, serial murderer, serialkiller, criminal profiling,...

Visit crimezzz.net

Key Findings

We analyzed Crimezzz.net page load time and found that the first response time was 348 ms and then it took 1.1 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 25% of websites can load faster.

Performance Metrics

crimezzz.net performance score

68

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.1 s

99/100

10%

LCP (Largest Contentful Paint)

Value4.0 s

49/100

25%

SI (Speed Index)

Value2.3 s

99/100

10%

TBT (Total Blocking Time)

Value610 ms

49/100

30%

CLS (Cumulative Layout Shift)

Value0.022

100/100

15%

TTI (Time to Interactive)

Value6.5 s

59/100

10%

Network Requests Diagram

crimezzz.net

348 ms

styles.css

108 ms

adsbygoogle.js

137 ms

js

64 ms

blank.gif

343 ms

Our browser made a total of 23 requests to load all elements on the main page. We found that 78% of them (18 requests) were addressed to the original Crimezzz.net, 9% (2 requests) were made to Googletagmanager.com and 9% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (426 ms) belongs to the original domain Crimezzz.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 24.2 kB (11%)

Content Size

224.2 kB

After Optimization

199.9 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Crimezzz.net main page is 224.2 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. 30% of websites need less resources to load. Images take 106.6 kB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 23.1 kB

  • Original 29.5 kB
  • After minification 26.6 kB
  • After compression 6.4 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 23.1 kB or 78% of the original size.

Image Optimization

-1%

Potential reduce by 917 B

  • Original 106.6 kB
  • After minification 105.7 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. Crime Zzz images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 82 B

  • Original 86.3 kB
  • After minification 86.3 kB
  • After compression 86.3 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.

CSS Optimization

-12%

Potential reduce by 194 B

  • Original 1.7 kB
  • After minification 1.7 kB
  • After compression 1.5 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. Crimezzz.net needs all CSS files to be minified and compressed as it can save up to 194 B or 12% of the original size.

Requests Breakdown

Number of requests can be reduced by 3 (14%)

Requests Now

22

After Optimization

19

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 22 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Crime Zzz. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

crimezzz.net

crimezzz.net

348 ms

styles.css

styles.css

108 ms

adsbygoogle.js

adsbygoogle.js

137 ms

js

js

64 ms

blank.gif

blank.gif

343 ms

n_back_stripes.jpg

n_back_stripes.jpg

130 ms

n_header_top.jpg

n_header_top.jpg

216 ms

n_header.jpg

n_header.jpg

318 ms

header_nav.gif

header_nav.gif

213 ms

n_header_bottbott.jpg

n_header_bottbott.jpg

213 ms

n_pheading_back.jpg

n_pheading_back.jpg

215 ms

thumbup.gif

thumbup.gif

215 ms

blank.gif

blank.gif

320 ms

n_main_back.jpg

n_main_back.jpg

320 ms

schwarze_dahlie_thumbnail.jpg

schwarze_dahlie_thumbnail.jpg

322 ms

coolsiteoftheday.gif

coolsiteoftheday.gif

321 ms

jane_doe_grey2.jpg

jane_doe_grey2.jpg

320 ms

jane_doe_mono2.jpg

jane_doe_mono2.jpg

423 ms

jane_doe_color2.jpg

jane_doe_color2.jpg

425 ms

serialkillers2pack.jpg

serialkillers2pack.jpg

426 ms

js

js

59 ms

analytics.js

analytics.js

20 ms

collect

collect

47 ms

Accessibility Review

crimezzz.net accessibility score

50

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.

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

Links do not have a discernible name

Best Practices

crimezzz.net 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

High

Page has valid source maps

SEO Factors

crimezzz.net SEO score

62

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

robots.txt is not valid

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 Crimezzz.net 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 Crimezzz.net 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

crimezzz.net

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