Tools & Wizards About Us

Report Summary

  • 60

    Performance

    Renders faster than
    75% of other websites

  • 88

    Accessibility

    Visual factors better than
    that of 68% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 99

    SEO

    Google-friendlier than
    93% of websites

rchemsell.com

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Page Load Speed

3.1 sec in total

First Response

399 ms

Resources Loaded

2.4 sec

Page Rendered

390 ms

About Website

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Key Findings

We analyzed Rchemsell.com page load time and found that the first response time was 399 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

rchemsell.com performance score

60

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.7 s

30/100

10%

LCP (Largest Contentful Paint)

Value4.3 s

42/100

25%

SI (Speed Index)

Value5.7 s

51/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.463

19/100

15%

TTI (Time to Interactive)

Value3.7 s

90/100

10%

Network Requests Diagram

rchemsell.com

399 ms

www.rchemsell.com

557 ms

style.css

79 ms

jquery.js

181 ms

sitecommon.js

190 ms

Our browser made a total of 37 requests to load all elements on the main page. We found that 81% of them (30 requests) were addressed to the original Rchemsell.com, 11% (4 requests) were made to Js01.v15cdn.com and 8% (3 requests) were made to Js02.v15cdn.com. The less responsive or slowest element that took the longest time to load (1.2 sec) belongs to the original domain Rchemsell.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 31.3 kB (4%)

Content Size

889.6 kB

After Optimization

858.4 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Rchemsell.com main page is 889.6 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. 30% of websites need less resources to load. Images take 813.4 kB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 22.9 kB

  • Original 29.6 kB
  • After minification 28.5 kB
  • After compression 6.6 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 22.9 kB or 78% of the original size.

Image Optimization

-1%

Potential reduce by 4.8 kB

  • Original 813.4 kB
  • After minification 808.6 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. Rchemsell images are well optimized though.

JavaScript Optimization

-5%

Potential reduce by 2.1 kB

  • Original 39.6 kB
  • After minification 39.6 kB
  • After compression 37.5 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

-21%

Potential reduce by 1.5 kB

  • Original 7.1 kB
  • After minification 7.1 kB
  • After compression 5.6 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. Rchemsell.com needs all CSS files to be minified and compressed as it can save up to 1.5 kB or 21% of the original size.

Requests Breakdown

Number of requests can be reduced by 8 (23%)

Requests Now

35

After Optimization

27

  • Images
  • JavaScript
  • CSS

The browser has sent 35 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Rchemsell. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

rchemsell.com accessibility score

88

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.

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

<dl>'s do not contain only properly-ordered <dt> and <dd> groups, <script>, <template> or <div> elements.

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

Best Practices

rchemsell.com best practices score

75

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

SEO Factors

rchemsell.com SEO score

99

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

High

Tap targets are not sized appropriately

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