Tools & Wizards About Us
prestivac.com screenshot

Report Summary

  • 20

    Performance

    Renders faster than
    37% of other websites

  • 63

    Accessibility

    Visual factors better than
    that of 28% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 82

    SEO

    Google-friendlier than
    44% of websites

prestivac.com

Explosion Proof Industrial Vacuum Cleaners | PrestiVac Inc

Page Load Speed

2.1 sec in total

First Response

233 ms

Resources Loaded

1.6 sec

Page Rendered

273 ms

prestivac.com screenshot

About Website

Visit prestivac.com now to see the best up-to-date Presti Vac content and also check out these interesting facts you probably never knew about prestivac.com

PrestiVac specializes in design and manufacture of Legally Certified Explosion Proof Industrial Vacuum Cleaners for Contamination Controlled Environments and Hazardous Locations.

Visit prestivac.com

Key Findings

We analyzed Prestivac.com page load time and found that the first response time was 233 ms and then it took 1.9 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.

Performance Metrics

prestivac.com performance score

20

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.1 s

22/100

10%

LCP (Largest Contentful Paint)

Value15.9 s

0/100

25%

SI (Speed Index)

Value8.1 s

21/100

10%

TBT (Total Blocking Time)

Value660 ms

45/100

30%

CLS (Cumulative Layout Shift)

Value0.579

12/100

15%

TTI (Time to Interactive)

Value14.7 s

8/100

10%

Network Requests Diagram

prestivac.com

233 ms

prestivac.com

411 ms

gtm.js

76 ms

css_xE-rWrJf-fncB6ztZfd2huxqgxu4WO-qwma6Xer30m4.css

134 ms

css_MzfdT7hZyK-p9kAzjJIN9eHxW7kI68sG_42kowOZrjw.css

202 ms

Our browser made a total of 56 requests to load all elements on the main page. We found that 75% of them (42 requests) were addressed to the original Prestivac.com, 5% (3 requests) were made to Connect.facebook.net and 4% (2 requests) were made to Stackpath.bootstrapcdn.com. The less responsive or slowest element that took the longest time to load (502 ms) belongs to the original domain Prestivac.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 243.1 kB (14%)

Content Size

1.8 MB

After Optimization

1.5 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Prestivac.com main page is 1.8 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 55% of websites need less resources to load. Images take 1.4 MB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 71.3 kB

  • Original 89.1 kB
  • After minification 86.4 kB
  • After compression 17.8 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 71.3 kB or 80% of the original size.

Image Optimization

-9%

Potential reduce by 119.5 kB

  • Original 1.4 MB
  • After minification 1.3 MB

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. Presti Vac images are well optimized though.

JavaScript Optimization

-26%

Potential reduce by 52.2 kB

  • Original 202.5 kB
  • After minification 201.8 kB
  • After compression 150.3 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 52.2 kB or 26% of the original size.

CSS Optimization

-0%

Potential reduce by 155 B

  • Original 66.9 kB
  • After minification 66.9 kB
  • After compression 66.7 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. Prestivac.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 20 (43%)

Requests Now

46

After Optimization

26

  • Images
  • JavaScript
  • CSS

The browser has sent 46 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Presti Vac. 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 from 7 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

prestivac.com

prestivac.com

233 ms

prestivac.com

prestivac.com

411 ms

gtm.js

gtm.js

76 ms

css_xE-rWrJf-fncB6ztZfd2huxqgxu4WO-qwma6Xer30m4.css

css_xE-rWrJf-fncB6ztZfd2huxqgxu4WO-qwma6Xer30m4.css

134 ms

css_MzfdT7hZyK-p9kAzjJIN9eHxW7kI68sG_42kowOZrjw.css

css_MzfdT7hZyK-p9kAzjJIN9eHxW7kI68sG_42kowOZrjw.css

202 ms

css_jnZMmgEhW7XkJiL3cm5CogpzKor-iyGujkY0mGS21M0.css

css_jnZMmgEhW7XkJiL3cm5CogpzKor-iyGujkY0mGS21M0.css

204 ms

css_33r5xccJyuaVBDRHvfouJAmDI9YBT8GCOseVL4LVHmc.css

css_33r5xccJyuaVBDRHvfouJAmDI9YBT8GCOseVL4LVHmc.css

351 ms

css_cvat6tDlfAFfqrMLVENNtEKbnP71BVHpP-5aDKV5c7Y.css

css_cvat6tDlfAFfqrMLVENNtEKbnP71BVHpP-5aDKV5c7Y.css

214 ms

font-awesome.min.css

font-awesome.min.css

36 ms

jquery.min.js

jquery.min.js

22 ms

js_vSmhpx_T-AShyt_WMW5_TcwwxJP1imoVOa8jvwL_mxE.js

js_vSmhpx_T-AShyt_WMW5_TcwwxJP1imoVOa8jvwL_mxE.js

213 ms

js_BLxotNs2yt7YGlf9QRI9L9AMfdnkQfnN-_ADBTW3SiE.js

js_BLxotNs2yt7YGlf9QRI9L9AMfdnkQfnN-_ADBTW3SiE.js

269 ms

js_azGYGwumrVmgr4Uxh71k1jP9eiKl_oJwCcUUExuDMkA.js

js_azGYGwumrVmgr4Uxh71k1jP9eiKl_oJwCcUUExuDMkA.js

338 ms

js_uq95pTL-1lJWyDHf5mZlOGSHolfBFppN-OR4SmAxV00.js

js_uq95pTL-1lJWyDHf5mZlOGSHolfBFppN-OR4SmAxV00.js

277 ms

js_D5Bdu0sUiQhrSqYMAeYlMQy4jnLFiXA3uqamzyrd8lw.js

js_D5Bdu0sUiQhrSqYMAeYlMQy4jnLFiXA3uqamzyrd8lw.js

283 ms

js_xnLvLAv5I0nBZpiWGrTeBsCz1VlD4cPJTPg4tVLv69k.js

js_xnLvLAv5I0nBZpiWGrTeBsCz1VlD4cPJTPg4tVLv69k.js

284 ms

js_2drphBNznD41eV5YreG_ynD2qrBPhy70TGGDWoRpl1M.js

js_2drphBNznD41eV5YreG_ynD2qrBPhy70TGGDWoRpl1M.js

338 ms

conversion.js

conversion.js

47 ms

sdk.js

sdk.js

26 ms

css_VTLI7LGEqfHyEyfala2N2_lfoOkQUsBOPNjNnSF43Fw.css

css_VTLI7LGEqfHyEyfala2N2_lfoOkQUsBOPNjNnSF43Fw.css

94 ms

fbevents.js

fbevents.js

9 ms

173 ms

logo_2.png

logo_2.png

82 ms

PrestiVac_Band3.jpg

PrestiVac_Band3.jpg

443 ms

vacuum-cleaners-prestivac-6.jpg

vacuum-cleaners-prestivac-6.jpg

444 ms

timer.png

timer.png

81 ms

label1.png

label1.png

171 ms

label2.png

label2.png

229 ms

label3.png

label3.png

172 ms

vacuum-cleaners-prestivac-9.jpg

vacuum-cleaners-prestivac-9.jpg

370 ms

explosion-proof-vacuums-reviews-10-1.png

explosion-proof-vacuums-reviews-10-1.png

231 ms

explosion-proof-vacuums-reviews-9-1.png

explosion-proof-vacuums-reviews-9-1.png

231 ms

explosion-proof-vacuums-reviews-8-1.png

explosion-proof-vacuums-reviews-8-1.png

298 ms

explosion-proof-vacuums-reviews-7-1.png

explosion-proof-vacuums-reviews-7-1.png

300 ms

explosion-proof-vacuums-reviews-6-1.png

explosion-proof-vacuums-reviews-6-1.png

300 ms

explosion-proof-vacuums-reviews-5-1.png

explosion-proof-vacuums-reviews-5-1.png

365 ms

explosion-proof-vacuums-reviews-4-1.png

explosion-proof-vacuums-reviews-4-1.png

367 ms

explosion-proof-vacuums-reviews-3-1.png

explosion-proof-vacuums-reviews-3-1.png

367 ms

partner2.png

partner2.png

434 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

170 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

502 ms

135 ms

IQHow_FEYlDC4Gzy_m8fcsBaWKZ57bY3RXgXH6dOjZ0.ttf

IQHow_FEYlDC4Gzy_m8fcsBaWKZ57bY3RXgXH6dOjZ0.ttf

364 ms

IQHow_FEYlDC4Gzy_m8fcnbFhgvWbfSbdVg11QabG8w.woff

IQHow_FEYlDC4Gzy_m8fcnbFhgvWbfSbdVg11QabG8w.woff

371 ms

zhcz-_WihjSQC0oHJ9TCYMDdSZkkecOE1hvV7ZHvhyU.ttf

zhcz-_WihjSQC0oHJ9TCYMDdSZkkecOE1hvV7ZHvhyU.ttf

434 ms

zhcz-_WihjSQC0oHJ9TCYL3hpw3pgy2gAi-Ip7WPMi0.woff

zhcz-_WihjSQC0oHJ9TCYL3hpw3pgy2gAi-Ip7WPMi0.woff

435 ms

insight.min.js

insight.min.js

137 ms

map.png

map.png

428 ms

en.png

en.png

359 ms

fr.png

fr.png

360 ms

loader.gif

loader.gif

406 ms

sdk.js

sdk.js

18 ms

revicons.woff

revicons.woff

405 ms

52 ms

21 ms

insight_tag_errors.gif

insight_tag_errors.gif

35 ms

Accessibility Review

prestivac.com accessibility score

63

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.

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

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

Best Practices

prestivac.com best practices score

58

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

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

prestivac.com SEO score

82

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 uses legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    UTF-8

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

prestivac.com

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