Report Summary

  • 54

    Performance

    Renders faster than
    71% of other websites

  • 92

    Accessibility

    Visual factors better than
    that of 78% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 71

    SEO

    Google-friendlier than
    30% of websites

nwdls.com

Water Testing Lab Houston - Environmental Testing Lab | Houston, TX - North Water District Lab Services

Page Load Speed

1.4 sec in total

First Response

133 ms

Resources Loaded

1.1 sec

Page Rendered

171 ms

nwdls.com screenshot

About Website

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

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Key Findings

We analyzed Nwdls.com page load time and found that the first response time was 133 ms and then it took 1.2 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

nwdls.com performance score

54

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.4 s

38/100

10%

LCP (Largest Contentful Paint)

Value6.0 s

13/100

25%

SI (Speed Index)

Value3.4 s

90/100

10%

TBT (Total Blocking Time)

Value480 ms

60/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value7.1 s

52/100

10%

Network Requests Diagram

nwdls.com

133 ms

www.nwdls.com

355 ms

flexslider.css

35 ms

css

23 ms

css

40 ms

Our browser made a total of 45 requests to load all elements on the main page. We found that 58% of them (26 requests) were addressed to the original Nwdls.com, 13% (6 requests) were made to Fonts.gstatic.com and 7% (3 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (355 ms) belongs to the original domain Nwdls.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 213.0 kB (29%)

Content Size

733.4 kB

After Optimization

520.3 kB

In fact, the total size of Nwdls.com main page is 733.4 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. 50% of websites need less resources to load. Images take 370.0 kB which makes up the majority of the site volume.

HTML Optimization

-74%

Potential reduce by 19.5 kB

  • Original 26.2 kB
  • After minification 24.2 kB
  • After compression 6.7 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. 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 19.5 kB or 74% of the original size.

Image Optimization

-9%

Potential reduce by 34.2 kB

  • Original 370.0 kB
  • After minification 335.8 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. Nwdls images are well optimized though.

JavaScript Optimization

-24%

Potential reduce by 50.5 kB

  • Original 207.0 kB
  • After minification 205.8 kB
  • After compression 156.5 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 50.5 kB or 24% of the original size.

CSS Optimization

-84%

Potential reduce by 108.9 kB

  • Original 130.2 kB
  • After minification 122.4 kB
  • After compression 21.3 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. Nwdls.com needs all CSS files to be minified and compressed as it can save up to 108.9 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 18 (50%)

Requests Now

36

After Optimization

18

The browser has sent 36 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Nwdls. 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 from 6 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

nwdls.com accessibility score

92

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.

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

nwdls.com best practices score

58

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

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

nwdls.com SEO score

71

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

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 Nwdls.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 Nwdls.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 Nwdls. 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: