Report Summary

  • 36

    Performance

    Renders faster than
    55% of other websites

  • 78

    Accessibility

    Visual factors better than
    that of 45% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

coscofire.com

COSCO Fire Protection

Page Load Speed

2.3 sec in total

First Response

247 ms

Resources Loaded

1.7 sec

Page Rendered

348 ms

About Website

Visit coscofire.com now to see the best up-to-date COSCO Fire content for United States and also check out these interesting facts you probably never knew about coscofire.com

Cosco Fire Protection is the largest fire protection specialist on the West Coast, providing design, fabrication, installation, service, and inspection of fire suppression systems.

Visit coscofire.com

Key Findings

We analyzed Coscofire.com page load time and found that the first response time was 247 ms and then it took 2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.

Performance Metrics

coscofire.com performance score

36

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.1 s

9/100

10%

LCP (Largest Contentful Paint)

Value18.8 s

0/100

25%

SI (Speed Index)

Value11.3 s

5/100

10%

TBT (Total Blocking Time)

Value400 ms

68/100

30%

CLS (Cumulative Layout Shift)

Value0.131

81/100

15%

TTI (Time to Interactive)

Value11.1 s

20/100

10%

Network Requests Diagram

coscofire.com

247 ms

jquery-1.8.3.min.js

288 ms

jquery.main.js

306 ms

nivo-slider.css

142 ms

default.css

156 ms

Our browser made a total of 52 requests to load all elements on the main page. We found that all of those requests were addressed to Coscofire.com and no external sources were called. The less responsive or slowest element that took the longest time to load (982 ms) belongs to the original domain Coscofire.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 169.2 kB (5%)

Content Size

3.3 MB

After Optimization

3.1 MB

In fact, the total size of Coscofire.com main page is 3.3 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 3.1 MB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 19.4 kB

  • Original 23.0 kB
  • After minification 17.1 kB
  • After compression 3.6 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 6.0 kB, which is 26% 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 19.4 kB or 84% of the original size.

Image Optimization

-1%

Potential reduce by 20.0 kB

  • Original 3.1 MB
  • After minification 3.1 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. COSCO Fire images are well optimized though.

JavaScript Optimization

-69%

Potential reduce by 102.5 kB

  • Original 148.1 kB
  • After minification 140.2 kB
  • After compression 45.6 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 102.5 kB or 69% of the original size.

CSS Optimization

-82%

Potential reduce by 27.4 kB

  • Original 33.4 kB
  • After minification 24.7 kB
  • After compression 6.0 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. Coscofire.com needs all CSS files to be minified and compressed as it can save up to 27.4 kB or 82% of the original size.

Requests Breakdown

Number of requests can be reduced by 3 (6%)

Requests Now

48

After Optimization

45

The browser has sent 48 CSS, Javascripts, AJAX and image requests in order to completely render the main page of COSCO Fire. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

coscofire.com accessibility score

78

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

ARIA input fields do not have accessible names

High

Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

coscofire.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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

coscofire.com SEO score

86

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

    N/A

  • Encoding

    UTF-8

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

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