Tools & Wizards About Us

Report Summary

  • 55

    Performance

    Renders faster than
    72% of other websites

  • 74

    Accessibility

    Visual factors better than
    that of 40% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

nkrubber.com

O-rings, Rubber O-rings, Rubber Rings, Rubber Gaskets, Rubber Sealing Rings, Moulded Rubber Gaskets, Pressure Cooker Gaskets, O-ring Kits, Rubber Prod...

Page Load Speed

3.3 sec in total

First Response

348 ms

Resources Loaded

2.2 sec

Page Rendered

781 ms

About Website

Visit nkrubber.com now to see the best up-to-date N K Rubber content and also check out these interesting facts you probably never knew about nkrubber.com

manufactures pressure cooker gaskets, rubber o-rings, sealing rings, rubber parts, rubber moulded components, rubber seals, rubber gaskets, rubber bushes, rubber grommets, rubber filter rings, rubber ...

Visit nkrubber.com

Key Findings

We analyzed Nkrubber.com page load time and found that the first response time was 348 ms and then it took 3 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

nkrubber.com performance score

55

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.6 s

32/100

10%

LCP (Largest Contentful Paint)

Value6.2 s

11/100

25%

SI (Speed Index)

Value5.1 s

61/100

10%

TBT (Total Blocking Time)

Value400 ms

67/100

30%

CLS (Cumulative Layout Shift)

Value0.003

100/100

15%

TTI (Time to Interactive)

Value4.8 s

79/100

10%

Network Requests Diagram

nkrubber.com

348 ms

style.min.css

167 ms

foobox.free.min.css

161 ms

styles.css

161 ms

default.css

159 ms

Our browser made a total of 47 requests to load all elements on the main page. We found that 72% of them (34 requests) were addressed to the original Nkrubber.com, 13% (6 requests) were made to Fonts.gstatic.com and 9% (4 requests) were made to Maps.googleapis.com. The less responsive or slowest element that took the longest time to load (1.3 sec) belongs to the original domain Nkrubber.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 2.2 MB (19%)

Content Size

11.6 MB

After Optimization

9.5 MB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Nkrubber.com main page is 11.6 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. 65% of websites need less resources to load. Images take 11.5 MB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 78.5 kB

  • Original 92.3 kB
  • After minification 60.0 kB
  • After compression 13.9 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. This page needs HTML code to be minified as it can gain 32.3 kB, which is 35% 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 78.5 kB or 85% of the original size.

Image Optimization

-18%

Potential reduce by 2.1 MB

  • Original 11.5 MB
  • After minification 9.4 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. Obviously, N K Rubber needs image optimization as it can save up to 2.1 MB or 18% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-3%

Potential reduce by 2.6 kB

  • Original 87.3 kB
  • After minification 87.3 kB
  • After compression 84.7 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 15 (45%)

Requests Now

33

After Optimization

18

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 33 CSS, Javascripts, AJAX and image requests in order to completely render the main page of N K Rubber. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and from 12 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

nkrubber.com accessibility score

74

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

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

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

Heading elements are not in a sequentially-descending order

Best Practices

nkrubber.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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

nkrubber.com SEO score

92

Search Engine Optimization Advices

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 Nkrubber.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 Nkrubber.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

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