Tools & Wizards About Us
stern.co screenshot

Report Summary

  • 13

    Performance

    Renders faster than
    25% of other websites

  • 72

    Accessibility

    Visual factors better than
    that of 37% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 79

    SEO

    Google-friendlier than
    40% of websites

stern.co

Stern Company | Mobil Lubricants, Fuel & Propane Distributor

Page Load Speed

4.2 sec in total

First Response

16 ms

Resources Loaded

3.7 sec

Page Rendered

494 ms

stern.co screenshot

About Website

Click here to check amazing Stern content. Otherwise, check out these important facts you probably never knew about stern.co

Stern is the premiere petroleum distribution & consultation partner in the Midwest. We feature Mobil lubricants and offer the best fuel and propane service in the Midwest.

Visit stern.co

Key Findings

We analyzed Stern.co page load time and found that the first response time was 16 ms and then it took 4.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

stern.co performance score

13

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.8 s

4/100

10%

LCP (Largest Contentful Paint)

Value10.1 s

0/100

25%

SI (Speed Index)

Value7.8 s

24/100

10%

TBT (Total Blocking Time)

Value3,230 ms

2/100

30%

CLS (Cumulative Layout Shift)

Value0.209

59/100

15%

TTI (Time to Interactive)

Value17.6 s

4/100

10%

Network Requests Diagram

stern.co

16 ms

www.stern.co

2525 ms

gvv5tyk.css

151 ms

ccf1c35f25.js

159 ms

js

151 ms

Our browser made a total of 58 requests to load all elements on the main page. We found that 74% of them (43 requests) were addressed to the original Stern.co, 9% (5 requests) were made to Use.typekit.net and 3% (2 requests) were made to Google.com. The less responsive or slowest element that took the longest time to load (2.5 sec) belongs to the original domain Stern.co.

Page Optimization Overview & Recommendations

Page size can be reduced by 62.7 kB (5%)

Content Size

1.2 MB

After Optimization

1.2 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Stern.co main page is 1.2 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 882.5 kB which makes up the majority of the site volume.

HTML Optimization

-74%

Potential reduce by 31.0 kB

  • Original 41.8 kB
  • After minification 40.3 kB
  • After compression 10.8 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 31.0 kB or 74% of the original size.

Image Optimization

-1%

Potential reduce by 12.7 kB

  • Original 882.5 kB
  • After minification 869.8 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. Stern images are well optimized though.

JavaScript Optimization

-5%

Potential reduce by 11.2 kB

  • Original 244.9 kB
  • After minification 244.9 kB
  • After compression 233.7 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.

CSS Optimization

-17%

Potential reduce by 7.8 kB

  • Original 47.1 kB
  • After minification 47.1 kB
  • After compression 39.3 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. Stern.co needs all CSS files to be minified and compressed as it can save up to 7.8 kB or 17% of the original size.

Requests Breakdown

Number of requests can be reduced by 22 (42%)

Requests Now

52

After Optimization

30

  • Images
  • JavaScript
  • CSS

The browser has sent 52 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Stern. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 17 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

stern.co

stern.co

16 ms

www.stern.co

www.stern.co

2525 ms

gvv5tyk.css

gvv5tyk.css

151 ms

ccf1c35f25.js

ccf1c35f25.js

159 ms

js

js

151 ms

e48a7de8-840b-4280-90eb-f2f2c5ef13f6

e48a7de8-840b-4280-90eb-f2f2c5ef13f6

888 ms

style.min.css

style.min.css

16 ms

style.min.css

style.min.css

51 ms

latest.css

latest.css

69 ms

jquery-ui.css

jquery-ui.css

77 ms

style_a1b26a70297100d372c9.css

style_a1b26a70297100d372c9.css

68 ms

jquery.min.js

jquery.min.js

68 ms

jquery-migrate.min.js

jquery-migrate.min.js

69 ms

signup-form-widget.min.js

signup-form-widget.min.js

85 ms

coblocks-animation.js

coblocks-animation.js

67 ms

tiny-swiper.js

tiny-swiper.js

71 ms

coblocks-tinyswiper-initializer.js

coblocks-tinyswiper-initializer.js

71 ms

core.min.js

core.min.js

69 ms

datepicker.min.js

datepicker.min.js

68 ms

website_a1b26a70297100d372c9.js

website_a1b26a70297100d372c9.js

71 ms

orderform_a1b26a70297100d372c9.js

orderform_a1b26a70297100d372c9.js

71 ms

api.js

api.js

86 ms

p.css

p.css

31 ms

gtm.js

gtm.js

131 ms

logo.svg

logo.svg

63 ms

phone_icon.svg

phone_icon.svg

74 ms

heroimage-bg.jpg

heroimage-bg.jpg

81 ms

tagline.svg

tagline.svg

61 ms

fuel.jpg

fuel.jpg

75 ms

lubricants.jpg

lubricants.jpg

81 ms

propane.jpg

propane.jpg

62 ms

services.jpg

services.jpg

75 ms

news-bg.jpg

news-bg.jpg

73 ms

options.svg

options.svg

78 ms

block_bg_3.jpg

block_bg_3.jpg

88 ms

stern_equipment_guard.png

stern_equipment_guard.png

83 ms

left.svg

left.svg

78 ms

right.svg

right.svg

93 ms

seal.svg

seal.svg

90 ms

certified-img.jpg

certified-img.jpg

90 ms

Exxon_Mobil_Logo.jpg

Exxon_Mobil_Logo.jpg

95 ms

AGC-logo.jpg

AGC-logo.jpg

90 ms

houghton.jpg

houghton.jpg

102 ms

SouthDakotaTruckingAssoc.jpg

SouthDakotaTruckingAssoc.jpg

101 ms

liquid-dynamics.jpg

liquid-dynamics.jpg

99 ms

mobil-serv.jpg

mobil-serv.jpg

103 ms

SDPPMA.jpg

SDPPMA.jpg

100 ms

MEG-corp.jpg

MEG-corp.jpg

102 ms

NebraskaTruckingAssociation.jpg

NebraskaTruckingAssociation.jpg

107 ms

solutions-made-simple.svg

solutions-made-simple.svg

104 ms

facebook_icon.svg

facebook_icon.svg

120 ms

linkedin_icon.svg

linkedin_icon.svg

104 ms

underscore-min.js

underscore-min.js

93 ms

d

d

21 ms

d

d

29 ms

d

d

60 ms

d

d

38 ms

api.js

api.js

33 ms

Accessibility Review

stern.co accessibility score

72

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

stern.co best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

stern.co SEO score

79

Search Engine Optimization Advices

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Links do not have descriptive text

High

Image elements do not have [alt] attributes

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

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 Stern.co 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 Stern.co 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

stern.co

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