5.2 sec in total
197 ms
3.9 sec
1.1 sec
Click here to check amazing Primer3 Source Forge content for China. Otherwise, check out these important facts you probably never knew about primer3.sourceforge.net
Download Primer3 - PCR primer design tool for free. Design PCR primers from DNA sequence. Widely used (190k Google hits for "primer3").
Visit primer3.sourceforge.netWe analyzed Primer3.sourceforge.net page load time and found that the first response time was 197 ms and then it took 5 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.
primer3.sourceforge.net performance score
name
value
score
weighting
Value6.2 s
3/100
10%
Value7.6 s
3/100
25%
Value14.3 s
1/100
10%
Value26,280 ms
0/100
30%
Value0.012
100/100
15%
Value38.4 s
0/100
10%
197 ms
139 ms
223 ms
379 ms
380 ms
Our browser made a total of 50 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Primer3.sourceforge.net, 8% (4 requests) were made to C.aaxads.com and 6% (3 requests) were made to Sourceforge.net. The less responsive or slowest element that took the longest time to load (1.1 sec) relates to the external source C.aaxads.com.
Page size can be reduced by 105.1 kB (35%)
298.4 kB
193.3 kB
In fact, the total size of Primer3.sourceforge.net main page is 298.4 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. HTML takes 129.4 kB which makes up the majority of the site volume.
Potential reduce by 101.8 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 101.8 kB or 79% of the original size.
Potential reduce by 286 B
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. Primer3 Source Forge images are well optimized though.
Potential reduce by 3.0 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.
Potential reduce by 64 B
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. Primer3.sourceforge.net has all CSS files already compressed.
Number of requests can be reduced by 28 (61%)
46
18
The browser has sent 46 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Primer3 Source Forge. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 17 to 1 for JavaScripts and as a result speed up the page load time.
197 ms
cmp4.js
139 ms
bizx-prebid.js
223 ms
lato.css
379 ms
sandiego.css
380 ms
sf.sandiego-head.js
378 ms
adframetop.js
378 ms
owl.carousel.min.js
375 ms
featherlight.min.js
860 ms
featherlight.gallery.min.js
860 ms
sf.sandiego-base.js
859 ms
sf.sandiego-foundation-base.js
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sf.sandiego-foundation-tooltip.js
858 ms
site-143572.js
132 ms
sf.sandiego-project.js
858 ms
v652eace1692a40cfa3763df669d7439c1639079717194
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aax.js
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sf.js
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sf-logo-full.svg
85 ms
github-sync.png
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icon
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sf
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sf_star_yellow.svg
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pxusr.gif
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pxext.gif
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log
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insight.min.js
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tag.aspx
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s1.js
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analytics.js
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activity
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aacxs.php
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user_icon
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s2.html
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checksync.php
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aacxc.php
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default-avatar.png
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sync
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usersync.aspx
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asr
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cksync.php
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cksync.php
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primer3.sourceforge.net accessibility score
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
Buttons do not have an accessible name
Image elements do not have [alt] attributes
Links do not have a discernible name
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
Best practices
These items highlight common accessibility best practices.
Impact
Issue
[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.
primer3.sourceforge.net best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
Page has valid source maps
primer3.sourceforge.net SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
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
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
Document uses legible font sizes
Tap targets are not sized appropriately
EN
EN
BINARY
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Primer3.sourceforge.net 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 Primer3.sourceforge.net main page’s claimed encoding is binary. 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.
primer3.sourceforge.net
Open Graph data is detected on the main page of Primer3 Source Forge. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: