Tools & Wizards About Us

Report Summary

  • 83

    Performance

    Renders faster than
    87% of other websites

  • 49

    Accessibility

    Visual factors better than
    that of 20% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

laserjammer.net

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Page Load Speed

4.9 sec in total

First Response

250 ms

Resources Loaded

4.5 sec

Page Rendered

142 ms

About Website

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Visit laserjammer.net

Key Findings

We analyzed Laserjammer.net page load time and found that the first response time was 250 ms and then it took 4.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

laserjammer.net performance score

83

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.4 s

72/100

10%

LCP (Largest Contentful Paint)

Value2.9 s

81/100

25%

SI (Speed Index)

Value4.3 s

76/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.224

56/100

15%

TTI (Time to Interactive)

Value2.4 s

99/100

10%

Network Requests Diagram

www.laserjammer.net

250 ms

schema-style.css

59 ms

style.css

82 ms

responsive.css

96 ms

style.css

93 ms

Our browser made a total of 51 requests to load all elements on the main page. We found that 37% of them (19 requests) were addressed to the original Laserjammer.net, 8% (4 requests) were made to W.sharethis.com and 6% (3 requests) were made to S.gravatar.com. The less responsive or slowest element that took the longest time to load (250 ms) belongs to the original domain Laserjammer.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 520.4 kB (68%)

Content Size

767.0 kB

After Optimization

246.6 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Laserjammer.net main page is 767.0 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. 45% of websites need less resources to load. Javascripts take 511.3 kB which makes up the majority of the site volume.

HTML Optimization

-74%

Potential reduce by 17.3 kB

  • Original 23.3 kB
  • After minification 21.2 kB
  • After compression 6.0 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 17.3 kB or 74% of the original size.

Image Optimization

-16%

Potential reduce by 10.3 kB

  • Original 64.2 kB
  • After minification 53.9 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, Laserjammer needs image optimization as it can save up to 10.3 kB or 16% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-69%

Potential reduce by 351.8 kB

  • Original 511.3 kB
  • After minification 511.0 kB
  • After compression 159.5 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 351.8 kB or 69% of the original size.

CSS Optimization

-84%

Potential reduce by 141.1 kB

  • Original 168.3 kB
  • After minification 145.4 kB
  • After compression 27.2 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. Laserjammer.net needs all CSS files to be minified and compressed as it can save up to 141.1 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 37 (77%)

Requests Now

48

After Optimization

11

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 48 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Laserjammer. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 19 to 1 for JavaScripts and from 12 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

laserjammer.net accessibility score

49

Accessibility Issues

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

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

laserjammer.net best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

SEO Factors

laserjammer.net SEO score

92

Search Engine Optimization Advices

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

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

    ZH

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Laserjammer.net can be misinterpreted by Google and other search engines. Our service has detected that Chinese is used on the page, and it does not match the claimed English language. Our system also found out that Laserjammer.net 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 data is detected on the main page of Laserjammer. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: