Tools & Wizards About Us
rubber-cal.com screenshot

Report Summary

  • 44

    Performance

    Renders faster than
    63% of other websites

  • 79

    Accessibility

    Visual factors better than
    that of 47% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 85

    SEO

    Google-friendlier than
    55% of websites

rubber-cal.com

Rubber-Cal – Rubber Flooring, Sheet Rubber, Rubber Mats, and Doormats

Page Load Speed

9.5 sec in total

First Response

105 ms

Resources Loaded

9 sec

Page Rendered

345 ms

rubber-cal.com screenshot

About Website

Click here to check amazing Rubber Cal content. Otherwise, check out these important facts you probably never knew about rubber-cal.com

Rubber-Cal is America's Premier Source for Gym Flooring, Neoprene Rubber, Kitchen Mats, Anti-Slip Mats, EPDM Rubber, garage Floor Covering, Commercial Entrance Mats and more.

Visit rubber-cal.com

Key Findings

We analyzed Rubber-cal.com page load time and found that the first response time was 105 ms and then it took 9.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

rubber-cal.com performance score

44

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.2 s

8/100

10%

LCP (Largest Contentful Paint)

Value8.1 s

2/100

25%

SI (Speed Index)

Value6.7 s

36/100

10%

TBT (Total Blocking Time)

Value350 ms

73/100

30%

CLS (Cumulative Layout Shift)

Value0.142

78/100

15%

TTI (Time to Interactive)

Value7.2 s

51/100

10%

Network Requests Diagram

rubber-cal.com

105 ms

www.rubbercal.com

830 ms

jquery.min.js

23 ms

jquery-3.5.1.min.js

249 ms

jquery_isolation.js

131 ms

Our browser made a total of 235 requests to load all elements on the main page. We found that 0% of them (1 request) were addressed to the original Rubber-cal.com, 93% (218 requests) were made to Rubbercal.com and 3% (6 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (3.3 sec) relates to the external source Rubbercal.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 765.1 kB (26%)

Content Size

2.9 MB

After Optimization

2.2 MB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Rubber-cal.com main page is 2.9 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. 50% of websites need less resources to load. Images take 1.9 MB which makes up the majority of the site volume.

HTML Optimization

-88%

Potential reduce by 222.5 kB

  • Original 251.8 kB
  • After minification 211.3 kB
  • After compression 29.3 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 40.5 kB, which is 16% 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 222.5 kB or 88% of the original size.

Image Optimization

-0%

Potential reduce by 2.7 kB

  • Original 1.9 MB
  • After minification 1.9 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. Rubber Cal images are well optimized though.

JavaScript Optimization

-72%

Potential reduce by 539.9 kB

  • Original 744.9 kB
  • After minification 617.8 kB
  • After compression 205.0 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 539.9 kB or 72% of the original size.

Requests Breakdown

Number of requests can be reduced by 170 (77%)

Requests Now

220

After Optimization

50

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 220 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Rubber Cal. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 48 to 1 for JavaScripts and from 15 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

rubber-cal.com

rubber-cal.com

105 ms

www.rubbercal.com

www.rubbercal.com

830 ms

jquery.min.js

jquery.min.js

23 ms

jquery-3.5.1.min.js

jquery-3.5.1.min.js

249 ms

jquery_isolation.js

jquery_isolation.js

131 ms

FieldLevelHelp.jsp

FieldLevelHelp.jsp

105 ms

3663278969.js

3663278969.js

110 ms

NLUtil.jsp

NLUtil.jsp

98 ms

NLUtil.js

NLUtil.js

111 ms

pagestyles.nl

pagestyles.nl

154 ms

js

js

63 ms

UPY_CSS_Bootstrap.css

UPY_CSS_Bootstrap.css

202 ms

UPY_CSS_Font_Awesome_Min.css

UPY_CSS_Font_Awesome_Min.css

166 ms

UPY_CSS_PrettyPhoto.css

UPY_CSS_PrettyPhoto.css

194 ms

UPY_CSS_Price_Range.css

UPY_CSS_Price_Range.css

189 ms

UPY_CSS_Animate.css

UPY_CSS_Animate.css

236 ms

UPY_CSS_Main.css

UPY_CSS_Main.css

288 ms

UPY_CSS_Jquery_LoadMask.css

UPY_CSS_Jquery_LoadMask.css

463 ms

UPY_CSS_Bootstrap_Select.css

UPY_CSS_Bootstrap_Select.css

286 ms

UPY_CSS_Responsive.css

UPY_CSS_Responsive.css

290 ms

UPY_CSS_SiteBuilder.css

UPY_CSS_SiteBuilder.css

293 ms

SWX_CSS_RubberCal.css

SWX_CSS_RubberCal.css

372 ms

UPY_LIB_Constants.js

UPY_LIB_Constants.js

382 ms

UPY_LIB_Jquery.js

UPY_LIB_Jquery.js

355 ms

UPY_LIB_Jquery_AjaxQ_0_0_1.js

UPY_LIB_Jquery_AjaxQ_0_0_1.js

379 ms

UPY_LIB_Bootstrap_Min.js

UPY_LIB_Bootstrap_Min.js

375 ms

UPY_LIB_Jquery_ScrollUp_Min.js

UPY_LIB_Jquery_ScrollUp_Min.js

473 ms

UPY_LIB_Jquery_FitVids.js

UPY_LIB_Jquery_FitVids.js

663 ms

UPY_LIB_PriceRange.js

UPY_LIB_PriceRange.js

431 ms

UPY_LIB_Jquery_PrettyPhoto.js

UPY_LIB_Jquery_PrettyPhoto.js

473 ms

UPY_LIB_Bootstrap_Template_Main.js

UPY_LIB_Bootstrap_Template_Main.js

472 ms

UPY_LIB_Jquery_SlimScroll.js

UPY_LIB_Jquery_SlimScroll.js

494 ms

UPY_LIB_Bootstrap_YouTubePopUp_Min.js

UPY_LIB_Bootstrap_YouTubePopUp_Min.js

521 ms

UPY_LIB_Bootstrap_Select_Min.js

UPY_LIB_Bootstrap_Select_Min.js

670 ms

UPY_LIB_Jquery_LoadMask_Min.js

UPY_LIB_Jquery_LoadMask_Min.js

563 ms

UPY_LIB_Images_Loaded_Pkgd_Min.js

UPY_LIB_Images_Loaded_Pkgd_Min.js

587 ms

UPY_LIB_TrimPath.js

UPY_LIB_TrimPath.js

697 ms

UPY_LIB_Jquery_GetComments_Min.js

UPY_LIB_Jquery_GetComments_Min.js

716 ms

UPY_LIB_Utilities.js

UPY_LIB_Utilities.js

629 ms

UPY_LIB_Ajax.js

UPY_LIB_Ajax.js

659 ms

UPY_LIB_Templates.js

UPY_LIB_Templates.js

621 ms

SWX_LIB_Utilities.js

SWX_LIB_Utilities.js

661 ms

SWX_LIB_Templates.js

SWX_LIB_Templates.js

664 ms

jst-header.js

jst-header.js

631 ms

main-contents-container.js

main-contents-container.js

641 ms

jst-slider-text-top.js

jst-slider-text-top.js

636 ms

jst-main-slider.js

jst-main-slider.js

786 ms

jst-footer.js

jst-footer.js

889 ms

jst-cookie-consent-banner.js

jst-cookie-consent-banner.js

635 ms

jst-breadcrumbs.js

jst-breadcrumbs.js

646 ms

json-slider-text-top-1.js

json-slider-text-top-1.js

589 ms

jst-category-list-home.js

jst-category-list-home.js

573 ms

css

css

27 ms

css

css

43 ms

css

css

46 ms

jst-home-slider.js

jst-home-slider.js

647 ms

json-slider-image-home-1.js

json-slider-image-home-1.js

607 ms

json-home-latest-1.js

json-home-latest-1.js

644 ms

json-home-whatsnew-1.js

json-home-whatsnew-1.js

626 ms

json-community-1.js

json-community-1.js

618 ms

json-seeninmedia-1.js

json-seeninmedia-1.js

630 ms

json-home-press-1.js

json-home-press-1.js

632 ms

json-media-2.js

json-media-2.js

684 ms

loader.js

loader.js

246 ms

blue-seal-200-42-bbb-100112749.png

blue-seal-200-42-bbb-100112749.png

254 ms

bg-body.png

bg-body.png

297 ms

header-compass.png

header-compass.png

243 ms

bg-mobile-header-compass.png

bg-mobile-header-compass.png

334 ms

bg-mobile-header-divider.png

bg-mobile-header-divider.png

247 ms

epdm_nav.png

epdm_nav.png

297 ms

blank.gif

blank.gif

349 ms

natural_gum_nav.png

natural_gum_nav.png

252 ms

neoprene_nav.png

neoprene_nav.png

502 ms

nitrile_nav.png

nitrile_nav.png

665 ms

recycled_nav.png

recycled_nav.png

3325 ms

silicone_nav.png

silicone_nav.png

515 ms

synthetic_nav.png

synthetic_nav.png

588 ms

articles_nav.png

articles_nav.png

807 ms

feet_pads_nav.png

feet_pads_nav.png

934 ms

foam_sponge_nav.png

foam_sponge_nav.png

967 ms

food_grade_nav.png

food_grade_nav.png

1224 ms

heavy_duty_nav.png

heavy_duty_nav.png

964 ms

gasketing_nav.png

gasketing_nav.png

1037 ms

rubber_shock_nav.png

rubber_shock_nav.png

1333 ms

anti_slip_nav.png

anti_slip_nav.png

1549 ms

boat_deck_nav.png

boat_deck_nav.png

1341 ms

chef_kitchen_nav.png

chef_kitchen_nav.png

1202 ms

comfort_nav.png

comfort_nav.png

1476 ms

fitness_equipment_nav.png

fitness_equipment_nav.png

1611 ms

floor_protector_nav.png

floor_protector_nav.png

1694 ms

industrial_floor_nav.png

industrial_floor_nav.png

1768 ms

stair_treads_nav.png

stair_treads_nav.png

1641 ms

rubber_stall_nav.png

rubber_stall_nav.png

1990 ms

cellar_basement_nav.png

cellar_basement_nav.png

1991 ms

eco_friendly_nav.png

eco_friendly_nav.png

2012 ms

garage_floor_nav.png

garage_floor_nav.png

1964 ms

gym_flooring_nav.png

gym_flooring_nav.png

2447 ms

kennel_nav.png

kennel_nav.png

2381 ms

modular_floor_nav.png

modular_floor_nav.png

2375 ms

playground_nav.png

playground_nav.png

2339 ms

rubber_outdoor_nav.png

rubber_outdoor_nav.png

2660 ms

gtm.js

gtm.js

229 ms

gtm.js

gtm.js

280 ms

KFOkCnqEu92Fr1Mu51xIIzQ.woff

KFOkCnqEu92Fr1Mu51xIIzQ.woff

19 ms

KFOmCnqEu92Fr1Mu4mxM.woff

KFOmCnqEu92Fr1Mu4mxM.woff

27 ms

KFOlCnqEu92Fr1MmEU9fBBc-.woff

KFOlCnqEu92Fr1MmEU9fBBc-.woff

45 ms

KFOlCnqEu92Fr1MmSU5fBBc-.woff

KFOlCnqEu92Fr1MmSU5fBBc-.woff

54 ms

KFOkCnqEu92Fr1MmgVxIIzQ.woff

KFOkCnqEu92Fr1MmgVxIIzQ.woff

55 ms

KFOlCnqEu92Fr1MmWUlfBBc-.woff

KFOlCnqEu92Fr1MmWUlfBBc-.woff

55 ms

empty.html

empty.html

2169 ms

call-tracking_9.js

call-tracking_9.js

7 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

2226 ms

van_trailer_nav.png

van_trailer_nav.png

2578 ms

carpet_mats_nav.png

carpet_mats_nav.png

2541 ms

commercial_door_nav.png

commercial_door_nav.png

2699 ms

large_door_nav.png

large_door_nav.png

2466 ms

message_funny_nav.png

message_funny_nav.png

2638 ms

natural_coir_nav.png

natural_coir_nav.png

2602 ms

outside_door_nav.png

outside_door_nav.png

2488 ms

rubber_door_nav.png

rubber_door_nav.png

2403 ms

welcome_mat_nav.png

welcome_mat_nav.png

2762 ms

flexible_ducting_nav.png

flexible_ducting_nav.png

2416 ms

snowplow_cutting_edges_nav.png

snowplow_cutting_edges_nav.png

2529 ms

street_sweeper_nav.png

street_sweeper_nav.png

2411 ms

woodworking_nav.png

woodworking_nav.png

2552 ms

gy-nav.png

gy-nav.png

2453 ms

bg-header03-arrow-left.png

bg-header03-arrow-left.png

2540 ms

bg-header03-arrow-right.png

bg-header03-arrow-right.png

2164 ms

spacer.gif

spacer.gif

2326 ms

icn-cart.gif

icn-cart.gif

2223 ms

ns_x.gif

ns_x.gif

2802 ms

stretch.gif

stretch.gif

2333 ms

icn-search.gif

icn-search.gif

2056 ms

media.nl

media.nl

2049 ms

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2042 ms

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2058 ms

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1823 ms

homepage-social-icons-top-logo-facebook.png

homepage-social-icons-top-logo-facebook.png

2210 ms

homepage-social-icons-top-logo-twitter.png

homepage-social-icons-top-logo-twitter.png

2336 ms

homepage-social-icons-top-logo-youtube.png

homepage-social-icons-top-logo-youtube.png

1968 ms

media.nl

media.nl

1580 ms

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1617 ms

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1400 ms

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1037 ms

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1032 ms

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987 ms

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995 ms

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1004 ms

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1052 ms

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928 ms

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861 ms

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825 ms

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842 ms

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688 ms

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692 ms

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695 ms

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618 ms

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666 ms

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783 ms

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567 ms

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571 ms

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606 ms

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575 ms

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688 ms

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549 ms

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670 ms

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682 ms

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553 ms

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633 ms

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601 ms

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598 ms

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600 ms

footer-brands-coirmat.png

footer-brands-coirmat.png

1294 ms

footer-brands-floormat.png

footer-brands-floormat.png

939 ms

footer-brands-ducting.png

footer-brands-ducting.png

795 ms

footer-brands-flooring.png

footer-brands-flooring.png

1094 ms

goodyear-brand.jpg

goodyear-brand.jpg

739 ms

bg-mobile-footer-divider.png

bg-mobile-footer-divider.png

840 ms

bg-mobile-header.png

bg-mobile-header.png

1250 ms

bg-header02.png

bg-header02.png

1044 ms

rc_latest1.webp

rc_latest1.webp

829 ms

rc_latest2.webp

rc_latest2.webp

882 ms

rc_latest3.webp

rc_latest3.webp

860 ms

rc_latest4.webp

rc_latest4.webp

893 ms

whats-new-slider-arrow-left.png

whats-new-slider-arrow-left.png

991 ms

whats-new-slider-arrow-right.png

whats-new-slider-arrow-right.png

1104 ms

butt-more-01.png

butt-more-01.png

1285 ms

butt-less-01.png

butt-less-01.png

1384 ms

bg-header03-divider.png

bg-header03-divider.png

1124 ms

media.nl

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1130 ms

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1143 ms

bg-header02-divider.png

bg-header02-divider.png

1319 ms

bg-search-top.png

bg-search-top.png

1344 ms

bg-search-butt-go-top.png

bg-search-butt-go-top.png

1435 ms

bg-header03.png

bg-header03.png

1437 ms

bg-sidemenu.png

bg-sidemenu.png

1834 ms

bg-rubbercal-community.png

bg-rubbercal-community.png

1291 ms

bg-mobile-footer-button-01.png

bg-mobile-footer-button-01.png

1677 ms

bg-mobile-footer.png

bg-mobile-footer.png

1568 ms

Accessibility Review

rubber-cal.com accessibility score

79

Accessibility Issues

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

[id] attributes on active, focusable elements are not unique

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

Links do not have a discernible name

Best Practices

rubber-cal.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

High

Page has valid source maps

SEO Factors

rubber-cal.com SEO score

85

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

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 Rubber-cal.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 Rubber-cal.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

rubber-cal.com

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