Tools & Wizards About Us

Report Summary

  • 18

    Performance

    Renders faster than
    34% of other websites

  • 57

    Accessibility

    Visual factors better than
    that of 24% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 84

    SEO

    Google-friendlier than
    52% of websites

ptglab.com

Antibodies | ELISA kits | Proteins | Proteintech Group

Page Load Speed

3.3 sec in total

First Response

202 ms

Resources Loaded

2.9 sec

Page Rendered

158 ms

About Website

Click here to check amazing Ptglab content for United States. Otherwise, check out these important facts you probably never knew about ptglab.com

Proteintech matches its’ customers’ dedication to research by providing high-quality antibodies, ELISA kits and proteins that contribute to reproducible results. Learn more here.

Visit ptglab.com

Key Findings

We analyzed Ptglab.com page load time and found that the first response time was 202 ms and then it took 3.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

ptglab.com performance score

18

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.8 s

56/100

10%

LCP (Largest Contentful Paint)

Value7.1 s

5/100

25%

SI (Speed Index)

Value9.0 s

15/100

10%

TBT (Total Blocking Time)

Value2,720 ms

3/100

30%

CLS (Cumulative Layout Shift)

Value0.209

59/100

15%

TTI (Time to Interactive)

Value21.3 s

1/100

10%

Network Requests Diagram

ptglab.com

202 ms

default.css

378 ms

MiniCart.css

292 ms

logo.gif

293 ms

Banner_v4.jpg

422 ms

Our browser made a total of 71 requests to load all elements on the main page. We found that 79% of them (56 requests) were addressed to the original Ptglab.com, 7% (5 requests) were made to Pages01.net and 3% (2 requests) were made to Googleadservices.com. The less responsive or slowest element that took the longest time to load (1.6 sec) belongs to the original domain Ptglab.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 313.6 kB (41%)

Content Size

760.1 kB

After Optimization

446.5 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Ptglab.com main page is 760.1 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. 25% of websites need less resources to load. Images take 325.0 kB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 20.2 kB

  • Original 26.3 kB
  • After minification 19.2 kB
  • After compression 6.1 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 7.1 kB, which is 27% 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 20.2 kB or 77% of the original size.

Image Optimization

-7%

Potential reduce by 22.7 kB

  • Original 325.0 kB
  • After minification 302.4 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. Ptglab images are well optimized though.

JavaScript Optimization

-61%

Potential reduce by 192.5 kB

  • Original 315.2 kB
  • After minification 276.9 kB
  • After compression 122.6 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 192.5 kB or 61% of the original size.

CSS Optimization

-84%

Potential reduce by 78.2 kB

  • Original 93.6 kB
  • After minification 65.2 kB
  • After compression 15.4 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. Ptglab.com needs all CSS files to be minified and compressed as it can save up to 78.2 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 50 (76%)

Requests Now

66

After Optimization

16

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 66 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Ptglab. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 21 to 1 for JavaScripts and from 17 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

ptglab.com accessibility score

57

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-hidden="true"] elements contain focusable descendents

High

ARIA IDs are not unique

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

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

ptglab.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

Page has valid source maps

SEO Factors

ptglab.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 Ptglab.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 Ptglab.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 Ptglab. 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: