Tools & Wizards About Us
tz500-firewall.com screenshot

Report Summary

  • 97

    Performance

    Renders faster than
    94% of other websites

  • 86

    Accessibility

    Visual factors better than
    that of 61% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 67

    SEO

    Google-friendlier than
    26% of websites

tz500-firewall.com

Dell SonicWALL TZ 500 1.4Gbps 8xGbE  Next-Generation UTM Firewall Security Appliance

Page Load Speed

1.6 sec in total

First Response

235 ms

Resources Loaded

854 ms

Page Rendered

533 ms

tz500-firewall.com screenshot

About Website

Welcome to tz500-firewall.com homepage info - get ready to check TZ 500 Firewall best content right away, or after learning these important things about tz500-firewall.com

The SonicWALL TZ 500 firewall provides broad protection from compromise by combining advanced security services consisting of on-box and cloud- based anti-malware, anti-spyware, intrusion prevention s...

Visit tz500-firewall.com

Key Findings

We analyzed Tz500-firewall.com page load time and found that the first response time was 235 ms and then it took 1.4 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 30% of websites can load faster.

Performance Metrics

tz500-firewall.com performance score

97

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.7 s

93/100

10%

LCP (Largest Contentful Paint)

Value2.1 s

96/100

25%

SI (Speed Index)

Value2.8 s

96/100

10%

TBT (Total Blocking Time)

Value20 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value4.0 s

88/100

10%

Network Requests Diagram

tz500-firewall.com

235 ms

site_global.css

105 ms

master_a-master.css

106 ms

index.css

158 ms

museutils.js

53 ms

Our browser made a total of 33 requests to load all elements on the main page. We found that 94% of them (31 requests) were addressed to the original Tz500-firewall.com, 3% (1 request) were made to Webfonts.creativecloud.com and 3% (1 request) were made to Musecdn2.businesscatalyst.com. The less responsive or slowest element that took the longest time to load (368 ms) belongs to the original domain Tz500-firewall.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 224.7 kB (23%)

Content Size

966.7 kB

After Optimization

742.0 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Tz500-firewall.com main page is 966.7 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 723.8 kB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 55.9 kB

  • Original 65.1 kB
  • After minification 44.9 kB
  • After compression 9.2 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 20.2 kB, which is 31% 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 55.9 kB or 86% of the original size.

Image Optimization

-6%

Potential reduce by 41.7 kB

  • Original 723.8 kB
  • After minification 682.1 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. TZ 500 Firewall images are well optimized though.

JavaScript Optimization

-66%

Potential reduce by 85.2 kB

  • Original 130.0 kB
  • After minification 129.6 kB
  • After compression 44.8 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 85.2 kB or 66% of the original size.

CSS Optimization

-88%

Potential reduce by 41.9 kB

  • Original 47.8 kB
  • After minification 38.0 kB
  • After compression 5.9 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. Tz500-firewall.com needs all CSS files to be minified and compressed as it can save up to 41.9 kB or 88% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

30

After Optimization

30

  • Images
  • JavaScript
  • CSS

The browser has sent 30 CSS, Javascripts, AJAX and image requests in order to completely render the main page of TZ 500 Firewall. According to our analytics all requests are already optimized.

Network Requests Diagram

tz500-firewall.com

tz500-firewall.com

235 ms

site_global.css

site_global.css

105 ms

master_a-master.css

master_a-master.css

106 ms

index.css

index.css

158 ms

museutils.js

museutils.js

53 ms

jquery.watch.js

jquery.watch.js

60 ms

open-sans:n4,n8,n7:all;open-sans-condensed:n7:all.js

open-sans:n4,n8,n7:all;open-sans-condensed:n7:all.js

90 ms

corp_armor_sonicwall_tz300_top_banner_hires.jpg

corp_armor_sonicwall_tz300_top_banner_hires.jpg

53 ms

corp_armor_logowhite.png

corp_armor_logowhite.png

54 ms

sonicwall_tz500-crop-u2262.png

sonicwall_tz500-crop-u2262.png

210 ms

request%20quote%20button.png

request%20quote%20button.png

56 ms

screen_captures_sonicwall_tz500.png

screen_captures_sonicwall_tz500.png

156 ms

datasheet_icon_small.png

datasheet_icon_small.png

97 ms

magnifying%20glass%20icon.png

magnifying%20glass%20icon.png

106 ms

corporate%20armor%20mark.png

corporate%20armor%20mark.png

106 ms

sonicwall-logo.png

sonicwall-logo.png

109 ms

corp_armor_sonicwall_top_banner2_hires.jpg

corp_armor_sonicwall_top_banner2_hires.jpg

148 ms

corp_armor_logowhite2.png

corp_armor_logowhite2.png

158 ms

corporate%20armor%20mark2.png

corporate%20armor%20mark2.png

158 ms

tz_family.png

tz_family.png

368 ms

corp_armor_sonicwall_top_banner3_hires.jpg

corp_armor_sonicwall_top_banner3_hires.jpg

201 ms

corp_armor_sonicwall_top_banner4_hires.jpg

corp_armor_sonicwall_top_banner4_hires.jpg

259 ms

tz300_small-crop-u2086.png

tz300_small-crop-u2086.png

209 ms

tz300w_small-crop-u2092.png

tz300w_small-crop-u2092.png

209 ms

tz400_small-crop-u2098.png

tz400_small-crop-u2098.png

252 ms

tz400w_small-crop-u2104.png

tz400w_small-crop-u2104.png

259 ms

tz500_small-crop-u2110.png

tz500_small-crop-u2110.png

261 ms

tz500w_small-crop-u2119.png

tz500w_small-crop-u2119.png

261 ms

tz600_small-crop-u2125.png

tz600_small-crop-u2125.png

305 ms

tz600w_small-crop-u2131.png

tz600w_small-crop-u2131.png

310 ms

security%20starts%20here%20graphic-crop-u915.png

security%20starts%20here%20graphic-crop-u915.png

311 ms

jquery-1.8.3.min.js

jquery-1.8.3.min.js

39 ms

jquery-1.8.3.min.js

jquery-1.8.3.min.js

347 ms

Accessibility Review

tz500-firewall.com accessibility score

86

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.

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

Links do not have a discernible name

Best Practices

tz500-firewall.com best practices score

67

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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

tz500-firewall.com SEO score

67

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

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 Tz500-firewall.com 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 Tz500-firewall.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

tz500-firewall.com

Open Graph description is not detected on the main page of TZ 500 Firewall. 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: