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contractlaboratory.com screenshot

Report Summary

  • 30

    Performance

    Renders faster than
    50% of other websites

  • 80

    Accessibility

    Visual factors better than
    that of 49% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 79

    SEO

    Google-friendlier than
    40% of websites

contractlaboratory.com

Home | Contract Laboratory

Page Load Speed

1.5 sec in total

First Response

131 ms

Resources Loaded

1 sec

Page Rendered

352 ms

contractlaboratory.com screenshot

About Website

Welcome to contractlaboratory.com homepage info - get ready to check Contract Laboratory best content for United States right away, or after learning these important things about contractlaboratory.com

Find Laboratories for Laboratory Testing, Scientific Research, Analysis, Assays, Science Research, Product Development, Inspections and Certifications, Engineering and Examinations.

Visit contractlaboratory.com

Key Findings

We analyzed Contractlaboratory.com page load time and found that the first response time was 131 ms and then it took 1.4 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

contractlaboratory.com performance score

30

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.7 s

59/100

10%

LCP (Largest Contentful Paint)

Value8.4 s

2/100

25%

SI (Speed Index)

Value6.2 s

43/100

10%

TBT (Total Blocking Time)

Value2,100 ms

7/100

30%

CLS (Cumulative Layout Shift)

Value0.025

100/100

15%

TTI (Time to Interactive)

Value11.6 s

18/100

10%

Network Requests Diagram

contractlaboratory.com

131 ms

bootstrap.min.css

67 ms

styles.css

96 ms

animate.css

63 ms

font-awesome.min.css

60 ms

Our browser made a total of 51 requests to load all elements on the main page. We found that 47% of them (24 requests) were addressed to the original Contractlaboratory.com, 14% (7 requests) were made to Fonts.gstatic.com and 10% (5 requests) were made to Gstatic.com. The less responsive or slowest element that took the longest time to load (406 ms) belongs to the original domain Contractlaboratory.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 91.6 kB (9%)

Content Size

993.7 kB

After Optimization

902.2 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Contractlaboratory.com main page is 993.7 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. 75% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 502.7 kB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 31.1 kB

  • Original 39.3 kB
  • After minification 35.1 kB
  • After compression 8.2 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 4.2 kB, which is 11% 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 31.1 kB or 79% of the original size.

Image Optimization

-0%

Potential reduce by 4 B

  • Original 502.7 kB
  • After minification 502.7 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. Contract Laboratory images are well optimized though.

JavaScript Optimization

-7%

Potential reduce by 23.0 kB

  • Original 330.4 kB
  • After minification 330.4 kB
  • After compression 307.4 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. This website has mostly compressed JavaScripts.

CSS Optimization

-31%

Potential reduce by 37.4 kB

  • Original 121.3 kB
  • After minification 121.3 kB
  • After compression 83.9 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. Contractlaboratory.com needs all CSS files to be minified and compressed as it can save up to 37.4 kB or 31% of the original size.

Requests Breakdown

Number of requests can be reduced by 32 (76%)

Requests Now

42

After Optimization

10

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 42 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Contract Laboratory. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 20 to 1 for JavaScripts and from 14 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

contractlaboratory.com

contractlaboratory.com

131 ms

bootstrap.min.css

bootstrap.min.css

67 ms

styles.css

styles.css

96 ms

animate.css

animate.css

63 ms

font-awesome.min.css

font-awesome.min.css

60 ms

website-styles.css

website-styles.css

57 ms

website-nav.css

website-nav.css

61 ms

newstyles.css

newstyles.css

89 ms

jquery-1.9.1.min.js

jquery-1.9.1.min.js

311 ms

bootstrap.min.js

bootstrap.min.js

288 ms

header_nav.js

header_nav.js

294 ms

css2

css2

48 ms

api.js

api.js

63 ms

cookieconsent.min.css

cookieconsent.min.css

37 ms

cookieconsent.min.js

cookieconsent.min.js

48 ms

slick.css

slick.css

292 ms

slick-theme.css

slick-theme.css

300 ms

index.css

index.css

306 ms

tr-styles.css

tr-styles.css

81 ms

cl-custom-min.js

cl-custom-min.js

81 ms

547446.js

547446.js

59 ms

slick.min.js

slick.min.js

406 ms

recaptcha__en.js

recaptcha__en.js

217 ms

gtm.js

gtm.js

168 ms

hotjar-3521288.js

hotjar-3521288.js

169 ms

slide-home.jpg

slide-home.jpg

70 ms

logo_cl_corporate.svg

logo_cl_corporate.svg

136 ms

bg-lab-table.jpg

bg-lab-table.jpg

261 ms

glassware2.jpg

glassware2.jpg

172 ms

microscope-home.jpg

microscope-home.jpg

252 ms

pxiEyp8kv8JHgFVrFJA.ttf

pxiEyp8kv8JHgFVrFJA.ttf

197 ms

pxiByp8kv8JHgFVrLGT9V1s.ttf

pxiByp8kv8JHgFVrLGT9V1s.ttf

209 ms

pxiGyp8kv8JHgFVrLPTedw.ttf

pxiGyp8kv8JHgFVrLPTedw.ttf

221 ms

pxiByp8kv8JHgFVrLCz7V1s.ttf

pxiByp8kv8JHgFVrLCz7V1s.ttf

222 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

113 ms

conversations-embed.js

conversations-embed.js

193 ms

leadflows.js

leadflows.js

219 ms

web-interactives-embed.js

web-interactives-embed.js

252 ms

547446.js

547446.js

253 ms

547446.js

547446.js

256 ms

ajax-loader.gif

ajax-loader.gif

60 ms

anchor

anchor

71 ms

styles__ltr.css

styles__ltr.css

14 ms

recaptcha__en.js

recaptcha__en.js

17 ms

YiMnlwYAPK-5JOvV4HgQVh4BjdfeuDlm7M1GgLf3u0w.js

YiMnlwYAPK-5JOvV4HgQVh4BjdfeuDlm7M1GgLf3u0w.js

42 ms

webworker.js

webworker.js

80 ms

logo_48.png

logo_48.png

24 ms

KFOmCnqEu92Fr1Mu4mxP.ttf

KFOmCnqEu92Fr1Mu4mxP.ttf

56 ms

KFOlCnqEu92Fr1MmEU9fBBc9.ttf

KFOlCnqEu92Fr1MmEU9fBBc9.ttf

9 ms

KFOlCnqEu92Fr1MmYUtfBBc9.ttf

KFOlCnqEu92Fr1MmYUtfBBc9.ttf

56 ms

recaptcha__en.js

recaptcha__en.js

77 ms

Accessibility Review

contractlaboratory.com accessibility score

80

Accessibility Issues

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 input fields do not have accessible names

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

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

contractlaboratory.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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

contractlaboratory.com 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

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

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Contractlaboratory.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 Contractlaboratory.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

contractlaboratory.com

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