Report Summary

  • 43

    Performance

    Renders faster than
    62% 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

  • 85

    SEO

    Google-friendlier than
    55% of websites

jemmco.com

Jemmco LLC, Dyne Pens & Solutions, Silicone Sleeves for Corona Treatment, Laboratory Equipment Supplies

Page Load Speed

1.7 sec in total

First Response

79 ms

Resources Loaded

1.4 sec

Page Rendered

244 ms

jemmco.com screenshot

About Website

Welcome to jemmco.com homepage info - get ready to check Jemmco best content right away, or after learning these important things about jemmco.com

Jemmco LLC is your complete source for dyne pens and solutions, silicone sleeves, and laboratory equipment supplies.

Visit jemmco.com

Key Findings

We analyzed Jemmco.com page load time and found that the first response time was 79 ms and then it took 1.6 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 35% of websites can load faster.

Performance Metrics

jemmco.com performance score

43

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.1 s

9/100

10%

LCP (Largest Contentful Paint)

Value7.0 s

6/100

25%

SI (Speed Index)

Value5.1 s

62/100

10%

TBT (Total Blocking Time)

Value110 ms

98/100

30%

CLS (Cumulative Layout Shift)

Value0.703

7/100

15%

TTI (Time to Interactive)

Value7.9 s

43/100

10%

Network Requests Diagram

jemmco.com

79 ms

www.jemmco.com

142 ms

www.jemmco.com

523 ms

css

55 ms

js

99 ms

Our browser made a total of 55 requests to load all elements on the main page. We found that 89% of them (49 requests) were addressed to the original Jemmco.com, 4% (2 requests) were made to Cdnjs.cloudflare.com and 2% (1 request) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (523 ms) belongs to the original domain Jemmco.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.6 MB (29%)

Content Size

5.5 MB

After Optimization

3.9 MB

In fact, the total size of Jemmco.com main page is 5.5 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 4.5 MB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 55.1 kB

  • Original 66.3 kB
  • After minification 55.6 kB
  • After compression 11.3 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 10.7 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 55.1 kB or 83% of the original size.

Image Optimization

-23%

Potential reduce by 1.0 MB

  • Original 4.5 MB
  • After minification 3.5 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, Jemmco needs image optimization as it can save up to 1.0 MB or 23% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-49%

Potential reduce by 327.3 kB

  • Original 667.7 kB
  • After minification 643.1 kB
  • After compression 340.4 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 327.3 kB or 49% of the original size.

CSS Optimization

-82%

Potential reduce by 211.8 kB

  • Original 257.8 kB
  • After minification 255.6 kB
  • After compression 46.0 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. Jemmco.com needs all CSS files to be minified and compressed as it can save up to 211.8 kB or 82% of the original size.

Requests Breakdown

Number of requests can be reduced by 18 (38%)

Requests Now

47

After Optimization

29

The browser has sent 47 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Jemmco. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 15 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

jemmco.com accessibility score

72

Accessibility Issues

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

Buttons do not have an accessible name

High

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

High

Links do not have a discernible name

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

Best Practices

jemmco.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

High

Page has valid source maps

SEO Factors

jemmco.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 Jemmco.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 Jemmco.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 Jemmco. 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: