Tools & Wizards About Us
arsmachina.com screenshot

Report Summary

  • 99

    Performance

    Renders faster than
    96% of other websites

  • 57

    Accessibility

    Visual factors better than
    that of 24% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 62

    SEO

    Google-friendlier than
    23% of websites

arsmachina.com

Antique Microscopes, Globes, and Telescopes - ARSmachina

Page Load Speed

586 ms in total

First Response

172 ms

Resources Loaded

326 ms

Page Rendered

88 ms

arsmachina.com screenshot

About Website

Click here to check amazing ARSmachina content. Otherwise, check out these important facts you probably never knew about arsmachina.com

Antique microscopes,telescopes,globes,and microscope accessories for sale in one of the largest collections of antique brass microscopes on the internet. This site presents a visual history of the lig...

Visit arsmachina.com

Key Findings

We analyzed Arsmachina.com page load time and found that the first response time was 172 ms and then it took 414 ms to load all DOM resources and completely render a web page. This is an excellent result, as only 5% of websites can load faster.

Performance Metrics

arsmachina.com performance score

99

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value0.8 s

100/100

10%

LCP (Largest Contentful Paint)

Value2.0 s

97/100

25%

SI (Speed Index)

Value0.8 s

100/100

10%

TBT (Total Blocking Time)

Value10 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value1.1 s

100/100

10%

Network Requests Diagram

arsmachina.com

172 ms

urchin.js

8 ms

arslogo.jpg

139 ms

index_micro_sml_.jpg

139 ms

index_globe_sml.jpg

137 ms

Our browser made a total of 9 requests to load all elements on the main page. We found that 78% of them (7 requests) were addressed to the original Arsmachina.com, 22% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (172 ms) belongs to the original domain Arsmachina.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 9.3 kB (12%)

Content Size

78.9 kB

After Optimization

69.7 kB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Arsmachina.com main page is 78.9 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. Only 10% of websites need less resources to load. Images take 64.2 kB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 6.1 kB

  • Original 7.8 kB
  • After minification 7.2 kB
  • After compression 1.8 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 6.1 kB or 77% of the original size.

Image Optimization

-4%

Potential reduce by 2.3 kB

  • Original 64.2 kB
  • After minification 62.0 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. ARSmachina images are well optimized though.

JavaScript Optimization

-14%

Potential reduce by 971 B

  • Original 6.8 kB
  • After minification 6.8 kB
  • After compression 5.9 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 971 B or 14% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

8

After Optimization

8

  • Images
  • JavaScript

The browser has sent 8 CSS, Javascripts, AJAX and image requests in order to completely render the main page of ARSmachina. According to our analytics all requests are already optimized.

Network Requests Diagram

arsmachina.com

arsmachina.com

172 ms

urchin.js

urchin.js

8 ms

arslogo.jpg

arslogo.jpg

139 ms

index_micro_sml_.jpg

index_micro_sml_.jpg

139 ms

index_globe_sml.jpg

index_globe_sml.jpg

137 ms

index_tele_small.jpg

index_tele_small.jpg

138 ms

index_compass2_sml.jpg

index_compass2_sml.jpg

137 ms

index_fineart_small.jpg

index_fineart_small.jpg

139 ms

__utm.gif

__utm.gif

5 ms

Accessibility Review

arsmachina.com accessibility score

57

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

arsmachina.com best practices score

67

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

SEO Factors

arsmachina.com SEO score

62

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

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 Arsmachina.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 Arsmachina.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

arsmachina.com

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