Tools & Wizards About Us
testsealabs.com screenshot

Report Summary

  • 6

    Performance

    Renders faster than
    21% of other websites

  • 76

    Accessibility

    Visual factors better than
    that of 42% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 84

    SEO

    Google-friendlier than
    52% of websites

testsealabs.com

Serving society,healthy world,Neutralizing antibody test kit

Page Load Speed

10.2 sec in total

First Response

391 ms

Resources Loaded

8.8 sec

Page Rendered

993 ms

testsealabs.com screenshot

About Website

Visit testsealabs.com now to see the best up-to-date Test Sealabs content and also check out these interesting facts you probably never knew about testsealabs.com

Testsea is a national high-tech enterprise specialized in the research, development, production and sales of raw materials for medical diagnosis and food safety

Visit testsealabs.com

Key Findings

We analyzed Testsealabs.com page load time and found that the first response time was 391 ms and then it took 9.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

testsealabs.com performance score

6

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.2 s

19/100

10%

LCP (Largest Contentful Paint)

Value12.6 s

0/100

25%

SI (Speed Index)

Value15.8 s

0/100

10%

TBT (Total Blocking Time)

Value5,480 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.399

25/100

15%

TTI (Time to Interactive)

Value34.4 s

0/100

10%

Network Requests Diagram

testsealabs.com

391 ms

www.testsealabs.com

758 ms

jquery.mmenu.all.css

162 ms

font-awesome.min.css

170 ms

animate.min.css

175 ms

Our browser made a total of 180 requests to load all elements on the main page. We found that 1% of them (2 requests) were addressed to the original Testsealabs.com, 94% (170 requests) were made to Cdn.bluenginer.com and 2% (3 requests) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (3.9 sec) relates to the external source Cdn.bluenginer.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.1 MB (21%)

Content Size

5.1 MB

After Optimization

4.1 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Testsealabs.com main page is 5.1 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. Only a small number of websites need less resources to load. Images take 4.3 MB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 90.9 kB

  • Original 106.3 kB
  • After minification 89.1 kB
  • After compression 15.4 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 17.2 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 90.9 kB or 86% of the original size.

Image Optimization

-22%

Potential reduce by 966.3 kB

  • Original 4.3 MB
  • After minification 3.3 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, Test Sealabs needs image optimization as it can save up to 966.3 kB or 22% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-1%

Potential reduce by 3.3 kB

  • Original 642.2 kB
  • After minification 642.2 kB
  • After compression 638.8 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

-11%

Potential reduce by 9.7 kB

  • Original 88.8 kB
  • After minification 88.7 kB
  • After compression 79.1 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. Testsealabs.com needs all CSS files to be minified and compressed as it can save up to 9.7 kB or 11% of the original size.

Requests Breakdown

Number of requests can be reduced by 41 (24%)

Requests Now

170

After Optimization

129

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 170 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Test Sealabs. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 16 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

testsealabs.com

testsealabs.com

391 ms

www.testsealabs.com

www.testsealabs.com

758 ms

jquery.mmenu.all.css

jquery.mmenu.all.css

162 ms

font-awesome.min.css

font-awesome.min.css

170 ms

animate.min.css

animate.min.css

175 ms

swiper.min.css

swiper.min.css

178 ms

onekey.min.css

onekey.min.css

180 ms

style.css

style.css

192 ms

public.css

public.css

177 ms

jquery.min.js

jquery.min.js

330 ms

wow.js

wow.js

184 ms

swiper.animate1.0.3.min.js

swiper.animate1.0.3.min.js

177 ms

swiper.min.js

swiper.min.js

186 ms

jquery.mmenu.all.js

jquery.mmenu.all.js

186 ms

common.js

common.js

184 ms

jquery.min.js

jquery.min.js

326 ms

common.js

common.js

186 ms

gtm.js

gtm.js

425 ms

form

form

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1004 ms

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79 ms

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49 ms

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778 ms

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737 ms

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742 ms

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737 ms

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2239 ms

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2288 ms

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2193 ms

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2241 ms

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2385 ms

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2413 ms

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2505 ms

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2749 ms

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2727 ms

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2743 ms

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2612 ms

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2674 ms

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3174 ms

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2747 ms

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2681 ms

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2711 ms

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2734 ms

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2767 ms

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2819 ms

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2837 ms

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2732 ms

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2843 ms

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2834 ms

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2822 ms

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2990 ms

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2895 ms

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2011 ms

Accessibility Review

testsealabs.com accessibility score

76

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

Links do not have a discernible name

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

testsealabs.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

Displays images with incorrect aspect ratio

General

Impact

Issue

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

SEO Factors

testsealabs.com SEO score

84

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

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 Testsealabs.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 Testsealabs.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

testsealabs.com

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