Report Summary

  • 59

    Performance

    Renders faster than
    74% of other websites

  • 36

    Accessibility

    Visual factors better than
    that of 18% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 62

    SEO

    Google-friendlier than
    23% of websites

tedpella.com

Electron Microscopy, Light Microscopy, Instruments and Supplies, Ted Pella, Inc.

Page Load Speed

830 ms in total

First Response

30 ms

Resources Loaded

694 ms

Page Rendered

106 ms

tedpella.com screenshot

About Website

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

electron microscopy supplies and instruments, light microscopy, atomic force microscopy, laboratory supplies

Visit tedpella.com

Key Findings

We analyzed Tedpella.com page load time and found that the first response time was 30 ms and then it took 800 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 15% of websites can load faster.

Performance Metrics

tedpella.com performance score

59

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.2 s

42/100

10%

LCP (Largest Contentful Paint)

Value3.2 s

72/100

25%

SI (Speed Index)

Value4.0 s

81/100

10%

TBT (Total Blocking Time)

Value780 ms

37/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value9.9 s

27/100

10%

Network Requests Diagram

tedpella.com

30 ms

www.tedpella.com

142 ms

launch-f51c8f2b50af.min.js

27 ms

popup.js

39 ms

ValidateQty.js

35 ms

Our browser made a total of 37 requests to load all elements on the main page. We found that 84% of them (31 requests) were addressed to the original Tedpella.com, 3% (1 request) were made to Assets.adobedtm.com and 3% (1 request) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (265 ms) relates to the external source Twin-iq.kickfire.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 100.1 kB (32%)

Content Size

309.7 kB

After Optimization

209.6 kB

In fact, the total size of Tedpella.com main page is 309.7 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. 30% of websites need less resources to load. Javascripts take 149.7 kB which makes up the majority of the site volume.

HTML Optimization

-73%

Potential reduce by 35.2 kB

  • Original 48.4 kB
  • After minification 42.9 kB
  • After compression 13.1 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 5.5 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 35.2 kB or 73% of the original size.

Image Optimization

-14%

Potential reduce by 14.4 kB

  • Original 106.2 kB
  • After minification 91.8 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. Obviously, Ted Pella needs image optimization as it can save up to 14.4 kB or 14% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-33%

Potential reduce by 49.6 kB

  • Original 149.7 kB
  • After minification 149.6 kB
  • After compression 100.1 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 49.6 kB or 33% of the original size.

CSS Optimization

-15%

Potential reduce by 839 B

  • Original 5.5 kB
  • After minification 5.4 kB
  • After compression 4.6 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. Tedpella.com needs all CSS files to be minified and compressed as it can save up to 839 B or 15% of the original size.

Requests Breakdown

Number of requests can be reduced by 12 (35%)

Requests Now

34

After Optimization

22

The browser has sent 34 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Ted Pella. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

tedpella.com accessibility score

36

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

<input type="image"> elements do not have [alt] text

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

tedpella.com best practices score

67

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

SEO Factors

tedpella.com SEO score

62

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

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    N/A

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Tedpella.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 Tedpella.com main page’s claimed encoding is . Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

Open Graph description is not detected on the main page of Ted Pella. 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: