Tools & Wizards About Us
4lesssmogcheckoakland.com screenshot

Report Summary

  • 49

    Performance

    Renders faster than
    67% of other websites

  • 80

    Accessibility

    Visual factors better than
    that of 49% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

4lesssmogcheckoakland.com

4 Less Smog Check Oakland Vehicle Emissions Testing

Page Load Speed

1.3 sec in total

First Response

216 ms

Resources Loaded

955 ms

Page Rendered

155 ms

4lesssmogcheckoakland.com screenshot

About Website

Click here to check amazing 4 Less Smog Check Oakland content. Otherwise, check out these important facts you probably never knew about 4lesssmogcheckoakland.com

4 Less Smog Check Oakland is a emissions testing station proudly serving customers in Alameda County California. We offer top-quality service at a competitive price.

Visit 4lesssmogcheckoakland.com

Key Findings

We analyzed 4lesssmogcheckoakland.com page load time and found that the first response time was 216 ms and then it took 1.1 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 25% of websites can load faster.

Performance Metrics

4lesssmogcheckoakland.com performance score

49

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.1 s

47/100

10%

LCP (Largest Contentful Paint)

Value4.3 s

41/100

25%

SI (Speed Index)

Value4.2 s

77/100

10%

TBT (Total Blocking Time)

Value990 ms

28/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value9.4 s

31/100

10%

Network Requests Diagram

4lesssmogcheckoakland.com

216 ms

site_global.css

124 ms

master_a-master.css

125 ms

index.css

129 ms

museutils.js

93 ms

Our browser made a total of 75 requests to load all elements on the main page. We found that 47% of them (35 requests) were addressed to the original 4lesssmogcheckoakland.com, 36% (27 requests) were made to S3-media0.fl.yelpcdn.com and 5% (4 requests) were made to Maps.googleapis.com. The less responsive or slowest element that took the longest time to load (649 ms) relates to the external source Onlineopensign.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 138.5 kB (20%)

Content Size

697.4 kB

After Optimization

558.9 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of 4lesssmogcheckoakland.com main page is 697.4 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. 60% of websites need less resources to load. Javascripts take 372.0 kB which makes up the majority of the site volume.

HTML Optimization

-89%

Potential reduce by 111.1 kB

  • Original 124.7 kB
  • After minification 89.3 kB
  • After compression 13.6 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 35.4 kB, which is 28% 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 111.1 kB or 89% of the original size.

Image Optimization

-12%

Potential reduce by 22.1 kB

  • Original 178.3 kB
  • After minification 156.2 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, 4 Less Smog Check Oakland needs image optimization as it can save up to 22.1 kB or 12% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-1%

Potential reduce by 3.6 kB

  • Original 372.0 kB
  • After minification 372.0 kB
  • After compression 368.4 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. This website has mostly compressed JavaScripts.

CSS Optimization

-7%

Potential reduce by 1.7 kB

  • Original 22.4 kB
  • After minification 22.4 kB
  • After compression 20.7 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. 4lesssmogcheckoakland.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 42 (59%)

Requests Now

71

After Optimization

29

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 71 CSS, Javascripts, AJAX and image requests in order to completely render the main page of 4 Less Smog Check Oakland. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 39 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

4lesssmogcheckoakland.com

4lesssmogcheckoakland.com

216 ms

site_global.css

site_global.css

124 ms

master_a-master.css

master_a-master.css

125 ms

index.css

index.css

129 ms

museutils.js

museutils.js

93 ms

whatinput.js

whatinput.js

126 ms

webpro.js

webpro.js

128 ms

jquery.watch.js

jquery.watch.js

129 ms

jquery.musepolyfill.bgsize.js

jquery.musepolyfill.bgsize.js

132 ms

jquery.musemenu.js

jquery.musemenu.js

136 ms

musewpdisclosure.js

musewpdisclosure.js

136 ms

jquery.museresponsive.js

jquery.museresponsive.js

189 ms

onlineopensign.cgi

onlineopensign.cgi

649 ms

jquery-1.8.3.min.js

jquery-1.8.3.min.js

6 ms

blank.gif

blank.gif

138 ms

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139 ms

u4011-17.png

u4011-17.png

139 ms

XcluiXzbqH_EFOyUiN7LCw.js

XcluiXzbqH_EFOyUiN7LCw.js

36 ms

jquery-1.8.3.min.js

jquery-1.8.3.min.js

169 ms

embed

embed

283 ms

embed

embed

559 ms

XcluiXzbqH_EFOyUiN7LCw.js

XcluiXzbqH_EFOyUiN7LCw.js

103 ms

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XcluiXzbqH_EFOyUiN7LCw.js

82 ms

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66 ms

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graphic%20-%20car%20icon%20180x180%20px%20-%20home%20page.png

62 ms

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125 ms

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66 ms

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65 ms

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graphic%20-%20interior%20new%20iii%20photo%202448x1840%20px%20-%20home%20page.jpg

124 ms

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graphic%20-%20logo%201024x1024%20px%20-%20facebook.png

124 ms

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graphic%20-%20logo%20139x128%20px%20-%20linkedin.png

125 ms

graphic%20-%20logo%201687x1687%20px%20-%20twitter.jpg

graphic%20-%20logo%201687x1687%20px%20-%20twitter.jpg

129 ms

graphic%20-%20logo%201024x1024%20px%20-%20yelp.png

graphic%20-%20logo%201024x1024%20px%20-%20yelp.png

128 ms

graphic%20-%20logo%20138x138%20px%20-%20google.png

graphic%20-%20logo%20138x138%20px%20-%20google.png

188 ms

graphic%20-%20exterior%20photo%20new%201836x2448%20px%20-%20home%20page.jpg

graphic%20-%20exterior%20photo%20new%201836x2448%20px%20-%20home%20page.jpg

189 ms

graphic%20-%20waiting%20room%20photo%20new%20ii%201836x2448%20px-%20home%20page.jpg

graphic%20-%20waiting%20room%20photo%20new%20ii%201836x2448%20px-%20home%20page.jpg

191 ms

u4011-17-r.png

u4011-17-r.png

190 ms

u4011-17-m.png

u4011-17-m.png

193 ms

u4011-17-fs.png

u4011-17-fs.png

191 ms

u4011-17-r_2x.png

u4011-17-r_2x.png

250 ms

u4011-17-m_2x.png

u4011-17-m_2x.png

251 ms

u4011-17-fs_2x.png

u4011-17-fs_2x.png

253 ms

rrc

rrc

318 ms

js

js

27 ms

geometry.js

geometry.js

3 ms

search.js

search.js

6 ms

main.js

main.js

10 ms

js

js

73 ms

yelp-frontend-lib-yelp-react-component-arrange-14.0.14-pkg.yji-890cb46ef86a05f5fa81.css

yelp-frontend-lib-yelp-react-component-arrange-14.0.14-pkg.yji-890cb46ef86a05f5fa81.css

40 ms

yelp-frontend-gondola-biz-embedded-content-pkg.yji-ffe7e40cb3f446e81282.css

yelp-frontend-gondola-biz-embedded-content-pkg.yji-ffe7e40cb3f446e81282.css

39 ms

react.production.min.js

react.production.min.js

47 ms

react-dom.production.min.js

react-dom.production.min.js

52 ms

module_yelp-frontend_runtime~gondola-biz-embedded-content.yji-51ab10f176844d0cca70.js

module_yelp-frontend_runtime~gondola-biz-embedded-content.yji-51ab10f176844d0cca70.js

48 ms

module_yelp-frontend_lib-yelp-style-utils-8.2.0.yji-be69888b37605ac8433d.js

module_yelp-frontend_lib-yelp-style-utils-8.2.0.yji-be69888b37605ac8433d.js

49 ms

module_yelp-frontend_lib-yelp-react-component-container-16.1.5.yji-de50380d87948aa09474.js

module_yelp-frontend_lib-yelp-react-component-container-16.1.5.yji-de50380d87948aa09474.js

48 ms

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47 ms

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63 ms

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48 ms

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49 ms

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49 ms

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50 ms

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50 ms

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58 ms

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50 ms

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67 ms

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66 ms

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23 ms

Accessibility Review

4lesssmogcheckoakland.com accessibility score

80

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-*] attributes do not match their roles

High

button, link, and menuitem elements do not have accessible names.

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

[id] attributes on active, focusable elements are not unique

High

Some elements have a [tabindex] value greater than 0

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

Low

No form fields have multiple labels

High

<frame> or <iframe> elements do not have a title

High

Links do not have a discernible name

Best Practices

4lesssmogcheckoakland.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

Page has valid source maps

SEO Factors

4lesssmogcheckoakland.com SEO score

92

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

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

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 4lesssmogcheckoakland.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 4lesssmogcheckoakland.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

4lesssmogcheckoakland.com

Open Graph description is not detected on the main page of 4 Less Smog Check Oakland. 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: