Tools & Wizards About Us
c3vr.com screenshot

Report Summary

  • 52

    Performance

    Renders faster than
    70% of other websites

  • 60

    Accessibility

    Visual factors better than
    that of 26% of websites

  • 77

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 72

    SEO

    Google-friendlier than
    31% of websites

c3vr.com

The premier site on the internet for the C3 Corvette! - C3VR - Official C3 Vette Registry - C3 Corvette Registry

Page Load Speed

3 sec in total

First Response

275 ms

Resources Loaded

2.5 sec

Page Rendered

234 ms

c3vr.com screenshot

About Website

Welcome to c3vr.com homepage info - get ready to check C3VR best content for United States right away, or after learning these important things about c3vr.com

Dedicated to the Chevrolet Corvette Model Years 1968-1982. Offering C3 Vette forums, club directory, events calendar, research tools, shopping center, VIN Decoder and much more!

Visit c3vr.com

Key Findings

We analyzed C3vr.com page load time and found that the first response time was 275 ms and then it took 2.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Performance Metrics

c3vr.com performance score

52

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.7 s

61/100

10%

LCP (Largest Contentful Paint)

Value3.9 s

53/100

25%

SI (Speed Index)

Value5.6 s

54/100

10%

TBT (Total Blocking Time)

Value850 ms

34/100

30%

CLS (Cumulative Layout Shift)

Value0.019

100/100

15%

TTI (Time to Interactive)

Value10.7 s

23/100

10%

Network Requests Diagram

c3vr.com

275 ms

Default.asp

1180 ms

default.css

176 ms

newnav2.css

172 ms

show_ads.js

5 ms

Our browser made a total of 54 requests to load all elements on the main page. We found that 41% of them (22 requests) were addressed to the original C3vr.com, 11% (6 requests) were made to Pagead2.googlesyndication.com and 7% (4 requests) were made to Tpc.googlesyndication.com. The less responsive or slowest element that took the longest time to load (1.2 sec) belongs to the original domain C3vr.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 75.6 kB (24%)

Content Size

311.7 kB

After Optimization

236.1 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of C3vr.com main page is 311.7 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. 40% of websites need less resources to load. Images take 134.6 kB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 48.9 kB

  • Original 60.8 kB
  • After minification 54.5 kB
  • After compression 11.9 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 48.9 kB or 80% of the original size.

Image Optimization

-9%

Potential reduce by 12.0 kB

  • Original 134.6 kB
  • After minification 122.5 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. C3VR images are well optimized though.

JavaScript Optimization

-9%

Potential reduce by 9.9 kB

  • Original 110.0 kB
  • After minification 109.8 kB
  • After compression 100.1 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

-74%

Potential reduce by 4.8 kB

  • Original 6.4 kB
  • After minification 5.5 kB
  • After compression 1.6 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. C3vr.com needs all CSS files to be minified and compressed as it can save up to 4.8 kB or 74% of the original size.

Requests Breakdown

Number of requests can be reduced by 24 (50%)

Requests Now

48

After Optimization

24

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 48 CSS, Javascripts, AJAX and image requests in order to completely render the main page of C3VR. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

c3vr.com

c3vr.com

275 ms

Default.asp

Default.asp

1180 ms

default.css

default.css

176 ms

newnav2.css

newnav2.css

172 ms

show_ads.js

show_ads.js

5 ms

adsbygoogle.js

adsbygoogle.js

6 ms

120x30_Anim.gif

120x30_Anim.gif

182 ms

cc120x30.jpg

cc120x30.jpg

308 ms

C3TopMiddleBanner.jpg

C3TopMiddleBanner.jpg

233 ms

C3TopLeftBanner.jpg

C3TopLeftBanner.jpg

297 ms

C3TopRightBanner11.jpg

C3TopRightBanner11.jpg

180 ms

spacer.gif

spacer.gif

179 ms

C3BackgroundGradient25h1w.jpg

C3BackgroundGradient25h1w.jpg

178 ms

newy.gif

newy.gif

178 ms

features_C3.gif

features_C3.gif

231 ms

features_endvert_C3.gif

features_endvert_C3.gif

232 ms

lines_under_features_C3.gif

lines_under_features_C3.gif

232 ms

bairs728.jpg

bairs728.jpg

505 ms

C3BackgroundGradient20h1w.jpg

C3BackgroundGradient20h1w.jpg

319 ms

bairs120x30.gif

bairs120x30.gif

330 ms

vette_bookstore120x30.jpg

vette_bookstore120x30.jpg

333 ms

round_out_C3.gif

round_out_C3.gif

315 ms

right_arrow.gif

right_arrow.gif

428 ms

round_out_bot_C3.gif

round_out_bot_C3.gif

397 ms

ca-pub-5326756499163421.js

ca-pub-5326756499163421.js

50 ms

zrt_lookup.html

zrt_lookup.html

53 ms

show_ads_impl.js

show_ads_impl.js

53 ms

brand

brand

39 ms

NCM_banner1.gif

NCM_banner1.gif

106 ms

tvs468x60.jpg

tvs468x60.jpg

456 ms

arrows_C3.gif

arrows_C3.gif

349 ms

7104plate.jpg

7104plate.jpg

367 ms

brand

brand

90 ms

ads

ads

229 ms

osd.js

osd.js

24 ms

NCM_banner1.gif

NCM_banner1.gif

931 ms

ads

ads

250 ms

google_custom_search_watermark.gif

google_custom_search_watermark.gif

38 ms

dsp_banner.cfm

dsp_banner.cfm

409 ms

css

css

66 ms

m_js_controller.js

m_js_controller.js

30 ms

abg.js

abg.js

32 ms

1.png

1.png

125 ms

favicon

favicon

78 ms

nessie_icon_thin_arrow_big_white.png

nessie_icon_thin_arrow_big_white.png

51 ms

s

s

41 ms

googlelogo_color_112x36dp.png

googlelogo_color_112x36dp.png

52 ms

favicon

favicon

112 ms

x_button_blue2.png

x_button_blue2.png

7 ms

Tqng9ngJVK4Gqvh3e602hP-HqlN49KFEUSDtmrOPmWo.js

Tqng9ngJVK4Gqvh3e602hP-HqlN49KFEUSDtmrOPmWo.js

4 ms

cJZKeOuBrn4kERxqtaUH3aCWcynf_cDxXwCLxiixG1c.ttf

cJZKeOuBrn4kERxqtaUH3aCWcynf_cDxXwCLxiixG1c.ttf

83 ms

finnshark.gif

finnshark.gif

174 ms

ga.js

ga.js

28 ms

__utm.gif

__utm.gif

24 ms

Accessibility Review

c3vr.com accessibility score

60

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[aria-*] attributes do not match their roles

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

<frame> or <iframe> elements do not have a title

High

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

High

Links do not have a discernible name

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

Best Practices

c3vr.com best practices score

77

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

Displays images with incorrect aspect ratio

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

c3vr.com SEO score

72

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

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 doesn't use legible font sizes

High

Tap targets are not sized appropriately

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 C3vr.com 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 C3vr.com 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

c3vr.com

Open Graph data is detected on the main page of C3VR. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: