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contactallergy.com screenshot

Report Summary

  • 100

    Performance

    Renders faster than
    97% of other websites

  • 94

    Accessibility

    Visual factors better than
    that of 84% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 73

    SEO

    Google-friendlier than
    31% of websites

contactallergy.com

Contact Allergen Database

Page Load Speed

990 ms in total

First Response

223 ms

Resources Loaded

642 ms

Page Rendered

125 ms

contactallergy.com screenshot

About Website

Visit contactallergy.com now to see the best up-to-date Contact Allergy content and also check out these interesting facts you probably never knew about contactallergy.com

Contact allergy database for allergic contact dermatitis patients to find out information on specific allergens.

Visit contactallergy.com

Key Findings

We analyzed Contactallergy.com page load time and found that the first response time was 223 ms and then it took 767 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 15% of websites can load faster.

Performance Metrics

contactallergy.com performance score

100

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value0.9 s

100/100

10%

LCP (Largest Contentful Paint)

Value1.2 s

100/100

25%

SI (Speed Index)

Value0.9 s

100/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value0.9 s

100/100

10%

Network Requests Diagram

contactallergy.com

223 ms

contact_allergy_g.css

69 ms

index_p.css

136 ms

contact_allergy001014.gif

71 ms

contact_allergy001013.gif

72 ms

Our browser made a total of 19 requests to load all elements on the main page. We found that all of those requests were addressed to Contactallergy.com and no external sources were called. The less responsive or slowest element that took the longest time to load (265 ms) belongs to the original domain Contactallergy.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 86.2 kB (83%)

Content Size

104.2 kB

After Optimization

18.0 kB

  • HTML
  • Images
  • CSS

In fact, the total size of Contactallergy.com main page is 104.2 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. 15% of websites need less resources to load. CSS take 73.3 kB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 17.0 kB

  • Original 20.5 kB
  • After minification 19.6 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. 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 17.0 kB or 83% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 10.3 kB
  • After minification 10.3 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. Contact Allergy images are well optimized though.

CSS Optimization

-94%

Potential reduce by 69.2 kB

  • Original 73.3 kB
  • After minification 38.2 kB
  • After compression 4.1 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. Contactallergy.com needs all CSS files to be minified and compressed as it can save up to 69.2 kB or 94% of the original size.

Requests Breakdown

Number of requests can be reduced by 6 (33%)

Requests Now

18

After Optimization

12

  • Images
  • CSS

The browser has sent 18 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Contact Allergy. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests and as a result speed up the page load time.

Network Requests Diagram

contactallergy.com

contactallergy.com

223 ms

contact_allergy_g.css

contact_allergy_g.css

69 ms

index_p.css

index_p.css

136 ms

contact_allergy001014.gif

contact_allergy001014.gif

71 ms

contact_allergy001013.gif

contact_allergy001013.gif

72 ms

contact_allergy001012.gif

contact_allergy001012.gif

133 ms

contact_allergy001011.gif

contact_allergy001011.gif

134 ms

contact_allergy001010.jpg

contact_allergy001010.jpg

133 ms

contact_allergy001009.gif

contact_allergy001009.gif

134 ms

bull_e1.gif

bull_e1.gif

136 ms

contact_allergy001008.gif

contact_allergy001008.gif

136 ms

contact_allergy001007.gif

contact_allergy001007.gif

200 ms

round_e1.gif

round_e1.gif

199 ms

contact_allergy001006.gif

contact_allergy001006.gif

200 ms

contact_allergy001005.jpg

contact_allergy001005.jpg

203 ms

contact_allergy001004.gif

contact_allergy001004.gif

201 ms

contact_allergy001003.gif

contact_allergy001003.gif

201 ms

contact_allergy001002.gif

contact_allergy001002.gif

264 ms

contact_allergy001001.gif

contact_allergy001001.gif

265 ms

Accessibility Review

contactallergy.com accessibility score

94

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

Best Practices

contactallergy.com best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

SEO Factors

contactallergy.com SEO score

73

Search Engine Optimization Advices

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    EN

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Contactallergy.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 Contactallergy.com main page’s claimed encoding is iso-8859-1. 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

contactallergy.com

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