Tools & Wizards About Us
slackchem.com screenshot

Report Summary

  • 52

    Performance

    Renders faster than
    69% of other websites

  • 92

    Accessibility

    Visual factors better than
    that of 79% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 77

    SEO

    Google-friendlier than
    36% of websites

slackchem.com

Slack Chemical Company | Industrial, Municipal & Bulk Supplier

Page Load Speed

1.6 sec in total

First Response

295 ms

Resources Loaded

1.1 sec

Page Rendered

233 ms

slackchem.com screenshot

About Website

Click here to check amazing Slack Chem content. Otherwise, check out these important facts you probably never knew about slackchem.com

Slack Chemical Company, Carthage, NY, supplies bulk chemicals to industry and municipalities throughout the Northeast.

Visit slackchem.com

Key Findings

We analyzed Slackchem.com page load time and found that the first response time was 295 ms and then it took 1.3 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 30% of websites can load faster.

Performance Metrics

slackchem.com performance score

52

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.6 s

5/100

10%

LCP (Largest Contentful Paint)

Value9.3 s

1/100

25%

SI (Speed Index)

Value5.6 s

53/100

10%

TBT (Total Blocking Time)

Value80 ms

99/100

30%

CLS (Cumulative Layout Shift)

Value0.124

83/100

15%

TTI (Time to Interactive)

Value8.2 s

41/100

10%

Network Requests Diagram

slackchem.com

295 ms

simple-line-icons.min.css

22 ms

djimageslider.css

46 ms

content.min.css

72 ms

icomoon.css

73 ms

Our browser made a total of 83 requests to load all elements on the main page. We found that 95% of them (79 requests) were addressed to the original Slackchem.com, 2% (2 requests) were made to Google-analytics.com and 1% (1 request) were made to Cdnjs.cloudflare.com. The less responsive or slowest element that took the longest time to load (295 ms) belongs to the original domain Slackchem.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 638.9 kB (37%)

Content Size

1.7 MB

After Optimization

1.1 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Slackchem.com main page is 1.7 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 898.8 kB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 29.1 kB

  • Original 35.1 kB
  • After minification 26.5 kB
  • After compression 6.0 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 8.6 kB, which is 25% 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 29.1 kB or 83% of the original size.

Image Optimization

-4%

Potential reduce by 37.3 kB

  • Original 898.8 kB
  • After minification 861.6 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. Slack Chem images are well optimized though.

JavaScript Optimization

-69%

Potential reduce by 371.2 kB

  • Original 536.3 kB
  • After minification 520.2 kB
  • After compression 165.1 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 371.2 kB or 69% of the original size.

CSS Optimization

-83%

Potential reduce by 201.3 kB

  • Original 242.2 kB
  • After minification 181.3 kB
  • After compression 40.8 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. Slackchem.com needs all CSS files to be minified and compressed as it can save up to 201.3 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 51 (66%)

Requests Now

77

After Optimization

26

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 77 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Slack Chem. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 to 1 for JavaScripts and from 28 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

slackchem.com

slackchem.com

295 ms

simple-line-icons.min.css

simple-line-icons.min.css

22 ms

djimageslider.css

djimageslider.css

46 ms

content.min.css

content.min.css

72 ms

icomoon.css

icomoon.css

73 ms

system.css

system.css

71 ms

general.css

general.css

73 ms

css3.css

css3.css

73 ms

addons.css

addons.css

74 ms

template-j30.css

template-j30.css

117 ms

layout.css

layout.css

96 ms

template.css

template.css

117 ms

usertools.css

usertools.css

97 ms

mega.css

mega.css

100 ms

k2.css

k2.css

101 ms

typo.css

typo.css

142 ms

css3.css

css3.css

143 ms

template-j30.css

template-j30.css

127 ms

template.css

template.css

128 ms

mega.css

mega.css

141 ms

k2.css

k2.css

140 ms

typo.css

typo.css

151 ms

template.css

template.css

152 ms

mega.css

mega.css

165 ms

template.css

template.css

165 ms

mega.css

mega.css

166 ms

jquery.min.js

jquery.min.js

209 ms

jquery-noconflict.js

jquery-noconflict.js

177 ms

jquery-migrate.min.js

jquery-migrate.min.js

178 ms

k2.frontend.js

k2.frontend.js

190 ms

mootools-core.js

mootools-core.js

211 ms

core.js

core.js

189 ms

mootools-more.js

mootools-more.js

271 ms

jquery.easing.min.js

jquery.easing.min.js

203 ms

slider.js

slider.js

215 ms

core.js

core.js

215 ms

mega.js

mega.js

228 ms

system.css

system.css

169 ms

stylesheet.css

stylesheet.css

139 ms

stylesheet.css

stylesheet.css

142 ms

analytics.js

analytics.js

70 ms

slacknewbackground.jpg

slacknewbackground.jpg

110 ms

slack_banner.jpg

slack_banner.jpg

90 ms

mainnav-sep.png

mainnav-sep.png

65 ms

mainnav-active.gif

mainnav-active.gif

65 ms

arrow6.png

arrow6.png

65 ms

menu-bg.gif

menu-bg.gif

64 ms

bullet-normal.png

bullet-normal.png

89 ms

home-wave.png

home-wave.png

88 ms

01_truck.jpg

01_truck.jpg

103 ms

arial.jpg

arial.jpg

87 ms

03_inventory.jpg

03_inventory.jpg

117 ms

service_since.jpg

service_since.jpg

104 ms

AWWA.gif

AWWA.gif

104 ms

nsf.gif

nsf.gif

105 ms

nasf.png

nasf.png

139 ms

nacd_verified.jpg

nacd_verified.jpg

139 ms

ul-slack.gif

ul-slack.gif

150 ms

TAPPI.jpg

TAPPI.jpg

148 ms

content_bg.jpg

content_bg.jpg

116 ms

loader.gif

loader.gif

113 ms

right-bg.png

right-bg.png

128 ms

bg-module-right.png

bg-module-right.png

129 ms

icons_general2.png

icons_general2.png

151 ms

icons_paper2.png

icons_paper2.png

151 ms

icons_dary2.png

icons_dary2.png

152 ms

icons_municipal2.png

icons_municipal2.png

149 ms

icons_cogen2.png

icons_cogen2.png

153 ms

arrow-title.png

arrow-title.png

153 ms

readmore.png

readmore.png

165 ms

bg-bulletin.gif

bg-bulletin.gif

168 ms

bg-bulletin.gif

bg-bulletin.gif

171 ms

aurulentsans-regular-webfont.woff

aurulentsans-regular-webfont.woff

164 ms

aurulentsans-regular-webfont.woff

aurulentsans-regular-webfont.woff

178 ms

ubuntu-bold-webfont.woff

ubuntu-bold-webfont.woff

175 ms

botsl_bg.gif

botsl_bg.gif

167 ms

ft_logo6.png

ft_logo6.png

167 ms

line.png

line.png

171 ms

bullet.png

bullet.png

170 ms

ubuntu-regular-webfont.woff

ubuntu-regular-webfont.woff

179 ms

collect

collect

21 ms

ubuntu-medium-webfont.woff

ubuntu-medium-webfont.woff

160 ms

js

js

62 ms

Accessibility Review

slackchem.com accessibility score

92

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.

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

Links do not have a discernible name

Best Practices

slackchem.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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

slackchem.com SEO score

77

Search Engine Optimization Advices

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 Slackchem.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 Slackchem.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

slackchem.com

Open Graph description is not detected on the main page of Slack Chem. 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: