Tools & Wizards About Us
vanceva.com screenshot

Report Summary

  • 19

    Performance

    Renders faster than
    36% of other websites

  • 83

    Accessibility

    Visual factors better than
    that of 54% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 79

    SEO

    Google-friendlier than
    40% of websites

vanceva.com

Vanceva Color PVB Interlayers for Laminated Glass | Eastman

Page Load Speed

1.1 sec in total

First Response

12 ms

Resources Loaded

844 ms

Page Rendered

283 ms

vanceva.com screenshot

About Website

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

With Vanceva, architects and designers are featuring glass like never before combining color interlayers to produce transparent, translucent, or opaque colors.

Visit vanceva.com

Key Findings

We analyzed Vanceva.com page load time and found that the first response time was 12 ms and then it took 1.1 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

vanceva.com performance score

19

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.9 s

1/100

10%

LCP (Largest Contentful Paint)

Value19.3 s

0/100

25%

SI (Speed Index)

Value8.9 s

15/100

10%

TBT (Total Blocking Time)

Value1,850 ms

9/100

30%

CLS (Cumulative Layout Shift)

Value0.057

98/100

15%

TTI (Time to Interactive)

Value18.8 s

3/100

10%

Network Requests Diagram

vanceva.com

12 ms

saflex-vanceva.eastman.com

21 ms

en

9 ms

otSDKStub.js

33 ms

clientlib-base.min.10c26f600e56a2306840db5810a78584.css

9 ms

Our browser made a total of 36 requests to load all elements on the main page. We found that 3% of them (1 request) were addressed to the original Vanceva.com, 58% (21 requests) were made to Saflex-vanceva.eastman.com and 11% (4 requests) were made to Media.eastman.com. The less responsive or slowest element that took the longest time to load (544 ms) relates to the external source Dpm.demdex.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 80.3 kB (29%)

Content Size

278.7 kB

After Optimization

198.3 kB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Vanceva.com main page is 278.7 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. 50% of websites need less resources to load. Javascripts take 177.0 kB which makes up the majority of the site volume.

HTML Optimization

-88%

Potential reduce by 80.2 kB

  • Original 91.4 kB
  • After minification 75.9 kB
  • After compression 11.3 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 15.5 kB, which is 17% 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 80.2 kB or 88% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 10.2 kB
  • After minification 10.2 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. Vanceva images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 173 B

  • Original 177.0 kB
  • After minification 177.0 kB
  • After compression 176.9 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.

Requests Breakdown

Number of requests can be reduced by 18 (62%)

Requests Now

29

After Optimization

11

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 29 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Vanceva. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

vanceva.com

vanceva.com

12 ms

saflex-vanceva.eastman.com

saflex-vanceva.eastman.com

21 ms

en

en

9 ms

otSDKStub.js

otSDKStub.js

33 ms

clientlib-base.min.10c26f600e56a2306840db5810a78584.css

clientlib-base.min.10c26f600e56a2306840db5810a78584.css

9 ms

launch-e07568a14e96.min.js

launch-e07568a14e96.min.js

64 ms

clientlib-site.min.8cde86aba0bb865171cad254625aff70.css

clientlib-site.min.8cde86aba0bb865171cad254625aff70.css

85 ms

csrf.min.56934e461ff6c436f962a5990541a527.js

csrf.min.56934e461ff6c436f962a5990541a527.js

13 ms

clientlib-dependencies.min.36567345f5357b58ac3b343f92519b21.js

clientlib-dependencies.min.36567345f5357b58ac3b343f92519b21.js

62 ms

clientlib-site.min.48324e0c10b5f15558de4d2d956b0fbd.js

clientlib-site.min.48324e0c10b5f15558de4d2d956b0fbd.js

28 ms

container.min.c8339545b501e3db3abc37c9a4cc2d6e.js

container.min.c8339545b501e3db3abc37c9a4cc2d6e.js

23 ms

clientlib-base.min.0937ccec9478dab12a6a3d7e3760b4eb.js

clientlib-base.min.0937ccec9478dab12a6a3d7e3760b4eb.js

23 ms

c8ad4127-492a-4118-9372-975716798ea8.json

c8ad4127-492a-4118-9372-975716798ea8.json

437 ms

id

id

544 ms

AppMeasurement.min.js

AppMeasurement.min.js

498 ms

AppMeasurement_Module_ActivityMap.min.js

AppMeasurement_Module_ActivityMap.min.js

540 ms

saflex-vanceva-2023-color

saflex-vanceva-2023-color

248 ms

linkedin-white-logo

linkedin-white-logo

293 ms

instagram-white-logo

instagram-white-logo

315 ms

youtube-white-logo

youtube-white-logo

300 ms

icon-close.svg

icon-close.svg

148 ms

icon-search-white.svg

icon-search-white.svg

149 ms

left-arrow.svg

left-arrow.svg

151 ms

icon-chevron-down.svg

icon-chevron-down.svg

148 ms

icon-down.svg

icon-down.svg

147 ms

icon-search.svg

icon-search.svg

149 ms

location

location

180 ms

icon-region.svg

icon-region.svg

149 ms

token.json

token.json

46 ms

Apparat-Medium.woff

Apparat-Medium.woff

38 ms

SofiaPro-Bold.woff

SofiaPro-Bold.woff

77 ms

Apparat-Light.woff

Apparat-Light.woff

78 ms

SofiaPro-Light.woff

SofiaPro-Light.woff

76 ms

dest5.html

dest5.html

26 ms

ibs:dpid=411&dpuuid=ZtAlhwAAAHdRZQMv

ibs:dpid=411&dpuuid=ZtAlhwAAAHdRZQMv

41 ms

otBannerSdk.js

otBannerSdk.js

39 ms

Accessibility Review

vanceva.com accessibility score

83

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.

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 IDs are not unique

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

Best Practices

vanceva.com best practices score

83

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

Missing source maps for large first-party JavaScript

SEO Factors

vanceva.com SEO score

79

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

Links do not have descriptive text

High

Image elements do not have [alt] attributes

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

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

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

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

vanceva.com

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