Tools & Wizards About Us
zilvia.net screenshot

Report Summary

  • 40

    Performance

    Renders faster than
    59% of other websites

  • 76

    Accessibility

    Visual factors better than
    that of 42% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 69

    SEO

    Google-friendlier than
    28% of websites

zilvia.net

Zilvia.net Forums | Nissan 240SX (Silvia) and Z (Fairlady) Car Forum

Page Load Speed

1.2 sec in total

First Response

26 ms

Resources Loaded

1 sec

Page Rendered

132 ms

zilvia.net screenshot

About Website

Click here to check amazing Zilvia content for United States. Otherwise, check out these important facts you probably never knew about zilvia.net

The Original Nissan 240SX (Silvia) and Z (Fairlady) Car Community Forums | Member Rides, Photo Gallery, Blogs, Technical Articles, Marketplace, Group Buys, Reviews, Installs, Drifting, Links.

Visit zilvia.net

Key Findings

We analyzed Zilvia.net page load time and found that the first response time was 26 ms and then it took 1.2 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

zilvia.net performance score

40

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.3 s

98/100

10%

LCP (Largest Contentful Paint)

Value2.4 s

92/100

25%

SI (Speed Index)

Value7.8 s

23/100

10%

TBT (Total Blocking Time)

Value3,770 ms

1/100

30%

CLS (Cumulative Layout Shift)

Value0.481

17/100

15%

TTI (Time to Interactive)

Value11.6 s

18/100

10%

Network Requests Diagram

zilvia.net

26 ms

zilvia.net

493 ms

iEMmLAImcQiT2HC78HTuRAxbJpw.js

11 ms

vbulletin_important.css

212 ms

yahoo-dom-event.js

223 ms

Our browser made a total of 38 requests to load all elements on the main page. We found that 87% of them (33 requests) were addressed to the original Zilvia.net, 5% (2 requests) were made to Pagead2.googlesyndication.com and 5% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (493 ms) belongs to the original domain Zilvia.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 66.6 kB (31%)

Content Size

215.8 kB

After Optimization

149.2 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Zilvia.net main page is 215.8 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. 20% of websites need less resources to load. Javascripts take 161.4 kB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 39.4 kB

  • Original 47.5 kB
  • After minification 44.0 kB
  • After compression 8.1 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 39.4 kB or 83% of the original size.

Image Optimization

-0%

Potential reduce by 3 B

  • Original 6.3 kB
  • After minification 6.3 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. Zilvia images are well optimized though.

JavaScript Optimization

-17%

Potential reduce by 26.8 kB

  • Original 161.4 kB
  • After minification 161.4 kB
  • After compression 134.6 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 26.8 kB or 17% of the original size.

CSS Optimization

-63%

Potential reduce by 395 B

  • Original 627 B
  • After minification 416 B
  • After compression 232 B

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. Zilvia.net needs all CSS files to be minified and compressed as it can save up to 395 B or 63% of the original size.

Requests Breakdown

Number of requests can be reduced by 29 (81%)

Requests Now

36

After Optimization

7

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 36 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Zilvia. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 15 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

zilvia.net

zilvia.net

26 ms

zilvia.net

zilvia.net

493 ms

iEMmLAImcQiT2HC78HTuRAxbJpw.js

iEMmLAImcQiT2HC78HTuRAxbJpw.js

11 ms

vbulletin_important.css

vbulletin_important.css

212 ms

yahoo-dom-event.js

yahoo-dom-event.js

223 ms

connection-min.js

connection-min.js

21 ms

vbulletin_global.js

vbulletin_global.js

19 ms

vbulletin_menu.js

vbulletin_menu.js

20 ms

adsbygoogle.js

adsbygoogle.js

114 ms

vbulletin_md5.js

vbulletin_md5.js

20 ms

show_ads.js

show_ads.js

222 ms

email-decode.min.js

email-decode.min.js

22 ms

vbulletin_md5.js

vbulletin_md5.js

223 ms

rocket-loader.min.js

rocket-loader.min.js

21 ms

analytics.js

analytics.js

17 ms

logo.gif

logo.gif

51 ms

navbits_start.gif

navbits_start.gif

50 ms

twitter_zilvia.png

twitter_zilvia.png

208 ms

bar2-l.gif

bar2-l.gif

209 ms

bar2.gif

bar2.gif

210 ms

bar2-r.gif

bar2-r.gif

302 ms

bar3-l.gif

bar3-l.gif

316 ms

bar3.gif

bar3.gif

315 ms

bar3-r.gif

bar3-r.gif

323 ms

bar4-l.gif

bar4-l.gif

326 ms

bar4.gif

bar4.gif

337 ms

bar4-r.gif

bar4-r.gif

448 ms

bar5-l.gif

bar5-l.gif

475 ms

bar5.gif

bar5.gif

485 ms

bar5-r.gif

bar5-r.gif

475 ms

collect

collect

13 ms

zilvia_gradient_popup.gif

zilvia_gradient_popup.gif

287 ms

zilvia_gradient_tcat.gif

zilvia_gradient_tcat.gif

296 ms

zilvia_gradient_thead.gif

zilvia_gradient_thead.gif

298 ms

paperclip.gif

paperclip.gif

446 ms

js

js

49 ms

main.js

main.js

8 ms

yahoo-dom-event.js

yahoo-dom-event.js

12 ms

Accessibility Review

zilvia.net accessibility score

76

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

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

High

Links do not have a discernible name

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Some elements have a [tabindex] value greater than 0

Best Practices

zilvia.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

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

zilvia.net SEO score

69

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

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    EN

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Zilvia.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 Zilvia.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

zilvia.net

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