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vactech.com screenshot

Report Summary

  • 53

    Performance

    Renders faster than
    70% of other websites

  • 74

    Accessibility

    Visual factors better than
    that of 40% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 81

    SEO

    Google-friendlier than
    42% of websites

vactech.com

Precision High Vacuum Pump Repair and Sales - VacTech.com

Page Load Speed

2.5 sec in total

First Response

756 ms

Resources Loaded

1.6 sec

Page Rendered

175 ms

vactech.com screenshot

About Website

Welcome to vactech.com homepage info - get ready to check Vac Tech best content right away, or after learning these important things about vactech.com

Vac-Tech sells and services vacuum pumps by BOC Edwards, LeyBold, Ebara, Kinney, Stokes, Welch, Alcatel, Bush, Gast, Pfeiffer, CTI Helix, Seiko Seiki, Varian, Robinair, and many more. Direct Drive Rot...

Visit vactech.com

Key Findings

We analyzed Vactech.com page load time and found that the first response time was 756 ms and then it took 1.8 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 35% of websites can load faster.

Performance Metrics

vactech.com performance score

53

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.8 s

57/100

10%

LCP (Largest Contentful Paint)

Value10.3 s

0/100

25%

SI (Speed Index)

Value5.8 s

50/100

10%

TBT (Total Blocking Time)

Value230 ms

87/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value12.0 s

16/100

10%

Network Requests Diagram

vactech.com

756 ms

bundled.css

233 ms

api.js

36 ms

ScriptResource.axd

347 ms

ScriptResource.axd

329 ms

Our browser made a total of 25 requests to load all elements on the main page. We found that 76% of them (19 requests) were addressed to the original Vactech.com, 8% (2 requests) were made to Google-analytics.com and 4% (1 request) were made to Google.com. The less responsive or slowest element that took the longest time to load (756 ms) belongs to the original domain Vactech.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 262.8 kB (13%)

Content Size

2.1 MB

After Optimization

1.8 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Vactech.com main page is 2.1 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. 25% of websites need less resources to load. Images take 1.4 MB which makes up the majority of the site volume.

HTML Optimization

-59%

Potential reduce by 55.1 kB

  • Original 92.8 kB
  • After minification 78.6 kB
  • After compression 37.7 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 14.2 kB, which is 15% 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 55.1 kB or 59% of the original size.

Image Optimization

-0%

Potential reduce by 758 B

  • Original 1.4 MB
  • After minification 1.4 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. Vac Tech images are well optimized though.

JavaScript Optimization

-36%

Potential reduce by 191.4 kB

  • Original 525.9 kB
  • After minification 525.9 kB
  • After compression 334.5 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 191.4 kB or 36% of the original size.

CSS Optimization

-30%

Potential reduce by 15.6 kB

  • Original 51.8 kB
  • After minification 51.8 kB
  • After compression 36.2 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. Vactech.com needs all CSS files to be minified and compressed as it can save up to 15.6 kB or 30% of the original size.

Requests Breakdown

Number of requests can be reduced by 13 (57%)

Requests Now

23

After Optimization

10

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 23 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Vac Tech. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 14 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

vactech.com

vactech.com

756 ms

bundled.css

bundled.css

233 ms

api.js

api.js

36 ms

ScriptResource.axd

ScriptResource.axd

347 ms

ScriptResource.axd

ScriptResource.axd

329 ms

jquery-1.10.2.min.js

jquery-1.10.2.min.js

390 ms

WebFormsJs

WebFormsJs

329 ms

CombineScriptsHandler.axd

CombineScriptsHandler.axd

591 ms

js

js

329 ms

js

js

371 ms

vactech

vactech

244 ms

flexslider

flexslider

260 ms

recaptcha__en.js

recaptcha__en.js

30 ms

logosm.png

logosm.png

162 ms

slide-1b-1570.png

slide-1b-1570.png

543 ms

slide-4b-1570.png

slide-4b-1570.png

486 ms

slide-1a-1570.png

slide-1a-1570.png

491 ms

slide-5a-1570.png

slide-5a-1570.png

527 ms

Oil-and-Accesories-01.JPG

Oil-and-Accesories-01.JPG

231 ms

Oil-and-Accesories-02.JPG

Oil-and-Accesories-02.JPG

301 ms

ai.2.min.js

ai.2.min.js

253 ms

analytics.js

analytics.js

20 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

72 ms

collect

collect

13 ms

js

js

46 ms

Accessibility Review

vactech.com accessibility score

74

Accessibility Issues

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

vactech.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

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

vactech.com SEO score

81

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

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Vactech.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 Vactech.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

vactech.com

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