Tools & Wizards About Us
pgo.com screenshot

Report Summary

  • 41

    Performance

    Renders faster than
    60% of other websites

  • 94

    Accessibility

    Visual factors better than
    that of 84% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 93

    SEO

    Google-friendlier than
    84% of websites

pgo.com

Home - PG&O - Highest Quality Glass, Precision Optics, & Thin Film Coatings

Page Load Speed

1.1 sec in total

First Response

106 ms

Resources Loaded

824 ms

Page Rendered

149 ms

pgo.com screenshot

About Website

Click here to check amazing PG O content. Otherwise, check out these important facts you probably never knew about pgo.com

PG&O, global supplier of highest quality precision glass, optics, and thin film coatings offers complete, in-house turnkey optics solutions including precision and commercial components. With a large ...

Visit pgo.com

Key Findings

We analyzed Pgo.com page load time and found that the first response time was 106 ms and then it took 973 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

pgo.com performance score

41

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.9 s

25/100

10%

LCP (Largest Contentful Paint)

Value3.9 s

52/100

25%

SI (Speed Index)

Value5.2 s

60/100

10%

TBT (Total Blocking Time)

Value1,780 ms

10/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value12.6 s

14/100

10%

Network Requests Diagram

pgo.com

106 ms

modernizr

33 ms

kendostyles

102 ms

styles

40 ms

kendoscripts

221 ms

Our browser made a total of 27 requests to load all elements on the main page. We found that 63% of them (17 requests) were addressed to the original Pgo.com, 11% (3 requests) were made to S.ytimg.com and 7% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (221 ms) belongs to the original domain Pgo.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 358.1 kB (39%)

Content Size

922.2 kB

After Optimization

564.1 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Pgo.com main page is 922.2 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. 65% of websites need less resources to load. Images take 444.8 kB which makes up the majority of the site volume.

HTML Optimization

-67%

Potential reduce by 5.9 kB

  • Original 8.8 kB
  • After minification 8.2 kB
  • After compression 2.9 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. HTML code on this page is well minified. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 5.9 kB or 67% of the original size.

Image Optimization

-3%

Potential reduce by 14.9 kB

  • Original 444.8 kB
  • After minification 430.0 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. PG O images are well optimized though.

JavaScript Optimization

-60%

Potential reduce by 134.7 kB

  • Original 224.4 kB
  • After minification 224.3 kB
  • After compression 89.7 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 134.7 kB or 60% of the original size.

CSS Optimization

-83%

Potential reduce by 202.6 kB

  • Original 244.2 kB
  • After minification 244.1 kB
  • After compression 41.5 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. Pgo.com needs all CSS files to be minified and compressed as it can save up to 202.6 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 8 (33%)

Requests Now

24

After Optimization

16

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 24 CSS, Javascripts, AJAX and image requests in order to completely render the main page of PG O. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

pgo.com

pgo.com

106 ms

modernizr

modernizr

33 ms

kendostyles

kendostyles

102 ms

styles

styles

40 ms

kendoscripts

kendoscripts

221 ms

jqueryval

jqueryval

71 ms

scripts

scripts

40 ms

top-banner-complete.png

top-banner-complete.png

92 ms

001.png

001.png

64 ms

Assembly_2.png

Assembly_2.png

90 ms

Bracket.png

Bracket.png

62 ms

CoatingMachine.png

CoatingMachine.png

90 ms

CornerCubes.png

CornerCubes.png

90 ms

Filters.png

Filters.png

90 ms

GrandShot.png

GrandShot.png

103 ms

InstrumentCover.png

InstrumentCover.png

93 ms

Scriber_3.png

Scriber_3.png

109 ms

BnM-x6-gneg

BnM-x6-gneg

119 ms

ga.js

ga.js

44 ms

__utm.gif

__utm.gif

14 ms

www-embed-player-vflfNyN_r.css

www-embed-player-vflfNyN_r.css

31 ms

www-embed-player.js

www-embed-player.js

53 ms

base.js

base.js

75 ms

fBnyGA8Aionz5086-mElmoOSPUuyQ1M9Un647_EjucU.js

fBnyGA8Aionz5086-mElmoOSPUuyQ1M9Un647_EjucU.js

34 ms

ad_status.js

ad_status.js

84 ms

2UX7WLTfW3W8TclTUvlFyQ.woff

2UX7WLTfW3W8TclTUvlFyQ.woff

74 ms

RxZJdnzeo3R5zSexge8UUT8E0i7KZn-EPnyo3HZu7kw.woff

RxZJdnzeo3R5zSexge8UUT8E0i7KZn-EPnyo3HZu7kw.woff

74 ms

Accessibility Review

pgo.com accessibility score

94

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.

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

Links do not have a discernible name

Best Practices

pgo.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

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

pgo.com SEO score

93

Search Engine Optimization Advices

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

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Pgo.com can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Pgo.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

pgo.com

Open Graph description is not detected on the main page of PG O. 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: