Tools & Wizards About Us

Report Summary

  • 51

    Performance

    Renders faster than
    69% of other websites

  • 97

    Accessibility

    Visual factors better than
    that of 92% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 93

    SEO

    Google-friendlier than
    83% of websites

hp-laserjet-enterprise-500-color-printer-m551-series.printerdoc.net

en - HP LaserJet Enterprise 500 color Printer M551 series

Page Load Speed

2.4 sec in total

First Response

187 ms

Resources Loaded

922 ms

Page Rendered

1.3 sec

About Website

Visit hp-laserjet-enterprise-500-color-printer-m551-series.printerdoc.net now to see the best up-to-date HP Laser Jet Enterprise 500 Color Printer M551 Series Doc content for United States and also check out these interesting facts you probably never knew about hp-laserjet-enterprise-500-color-printer-m551-series.printerdoc.net

LASERJET ENTERPRISE 500 COLOR User Guide M551n M551dn M551xh HP LaserJet Enterprise 500 color M551 User Guide Copyright and License © 2011 Copyright Hewlett-Packard Development Company, L.P. Reproduct...

Visit hp-laserjet-enterprise-500-color-printer-m551-series.printerdoc.net

Key Findings

We analyzed Hp-laserjet-enterprise-500-color-printer-m551-series.printerdoc.net page load time and found that the first response time was 187 ms and then it took 2.2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

hp-laserjet-enterprise-500-color-printer-m551-series.printerdoc.net performance score

51

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.7 s

59/100

10%

LCP (Largest Contentful Paint)

Value2.7 s

85/100

25%

SI (Speed Index)

Value5.6 s

53/100

10%

TBT (Total Blocking Time)

Value2,150 ms

6/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value11.4 s

19/100

10%

Network Requests Diagram

hp-laserjet-enterprise-500-color-printer-m551-series.printerdoc.net

187 ms

hp-laserjet-enterprise-500-color-printer-m551-series.printerdoc.net

460 ms

style.min.css

26 ms

style.min.css

29 ms

style.min.css

91 ms

Our browser made a total of 28 requests to load all elements on the main page. We found that 11% of them (3 requests) were addressed to the original Hp-laserjet-enterprise-500-color-printer-m551-series.printerdoc.net, 79% (22 requests) were made to I.printerdoc.net and 4% (1 request) were made to Pagead2.googlesyndication.com. The less responsive or slowest element that took the longest time to load (460 ms) belongs to the original domain Hp-laserjet-enterprise-500-color-printer-m551-series.printerdoc.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 167.1 kB (39%)

Content Size

427.6 kB

After Optimization

260.4 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Hp-laserjet-enterprise-500-color-printer-m551-series.printerdoc.net main page is 427.6 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. HTML takes 158.0 kB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 134.6 kB

  • Original 158.0 kB
  • After minification 157.9 kB
  • After compression 23.4 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 134.6 kB or 85% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 95.4 kB
  • After minification 95.4 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. HP Laser Jet Enterprise 500 Color Printer M551 Series Doc images are well optimized though.

JavaScript Optimization

-21%

Potential reduce by 32.5 kB

  • Original 153.2 kB
  • After minification 153.2 kB
  • After compression 120.8 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 32.5 kB or 21% of the original size.

CSS Optimization

-0%

Potential reduce by 24 B

  • Original 20.9 kB
  • After minification 20.9 kB
  • After compression 20.9 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. Hp-laserjet-enterprise-500-color-printer-m551-series.printerdoc.net has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 17 (65%)

Requests Now

26

After Optimization

9

  • Images
  • JavaScript
  • CSS

The browser has sent 26 CSS, Javascripts, AJAX and image requests in order to completely render the main page of HP Laser Jet Enterprise 500 Color Printer M551 Series Doc. 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

Accessibility Review

hp-laserjet-enterprise-500-color-printer-m551-series.printerdoc.net accessibility score

97

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.

Best Practices

hp-laserjet-enterprise-500-color-printer-m551-series.printerdoc.net 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

High

Page has valid source maps

SEO Factors

hp-laserjet-enterprise-500-color-printer-m551-series.printerdoc.net SEO score

93

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

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Hp-laserjet-enterprise-500-color-printer-m551-series.printerdoc.net 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 Hp-laserjet-enterprise-500-color-printer-m551-series.printerdoc.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 HP Laser Jet Enterprise 500 Color Printer M551 Series Doc. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: